/* ===================================================================
   Simple LMS — Design System
   Mobile-first, CSS custom properties, no framework dependencies
   =================================================================== */

/* ── CSS Variables (base — overridden by redesign tokens below) ─── */
:root {
  --lms-primary:        #00897B;
  --lms-primary-dark:   #004D40;
  --lms-primary-light:  #E0F2F1;
  --lms-accent:         #00897B;
  --lms-accent-dark:    #004D40;
  --lms-danger:         #E65100;
  --lms-warn:           #f59e0b;
  --lms-sidebar-bg:     #004D40;
  --lms-sidebar-text:   #E0F2F1;
  --lms-sidebar-muted:  #80CBC4;
  --lms-sidebar-active: #00897B;
  --lms-sidebar-done:   #00897B;
  --lms-card-bg:        #ffffff;
  --lms-bg:             #F4F7F6;
  --lms-border:         #CFD8DC;
  --lms-text:           #1A2327;
  --lms-muted:          #546E7A;
  --lms-radius:         12px;
  --lms-radius-sm:      8px;
  --lms-shadow:         0 2px 12px rgba(0,50,43,.08);
  --lms-shadow-md:      0 4px 24px rgba(0,77,64,.12);
  --lms-sidebar-width:  300px;
  --lms-header-h:       40px;
  --lms-transition:     .2s ease;
}

/* ── Reset & Base ───────────────────────────────────────────────── */
.slms-course-page *,
.slms-topic-page *,
.slms-archive-page *,
.slms-dashboard *,
.slms-payment-page * {
  box-sizing: border-box;
}

/* ── Container ──────────────────────────────────────────────────── */
.slms-container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1rem;
}

/* ════════════════════════════════════════════════════════════════
   CREDITS BANNER
   ════════════════════════════════════════════════════════════════ */
.slms-credits-banner {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: linear-gradient(90deg, var(--lms-sidebar-bg), #00332B);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .4rem 1rem;
  font-size: .8rem;
  gap: .5rem;
}
.slms-credits-banner__inner { display: flex; align-items: center; gap: .75rem; flex: 1; }
.slms-credits-banner__icon { font-size: 1rem; }
.slms-credits-banner__balance { color: var(--lms-warn); font-size: 1rem; }
.slms-credits-banner__recharge {
  color: var(--lms-primary-light); text-decoration: none; font-weight: 600;
  border: 1px solid rgba(255,255,255,.2); border-radius: 20px;
  padding: .15rem .7rem; font-size: .75rem; transition: background var(--lms-transition);
}
.slms-credits-banner__recharge:hover { background: rgba(255,255,255,.1); }
.slms-credits-banner__close {
  background: none; border: none; color: rgba(255,255,255,.6);
  cursor: pointer; padding: .25rem; line-height: 1; font-size: 1rem;
}

/* ════════════════════════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════════════════════════ */
.slms-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .65rem 1.4rem; border-radius: var(--lms-radius-sm);
  font-weight: 600; font-size: .9rem; cursor: pointer;
  text-decoration: none; border: 2px solid transparent;
  transition: all var(--lms-transition); white-space: nowrap;
}
.slms-btn--primary {
  background: var(--lms-primary); color: #fff; border-color: var(--lms-primary);
}
.slms-btn--primary:hover { background: var(--lms-primary-dark); border-color: var(--lms-primary-dark); color: #fff; }
.slms-btn--secondary { background: var(--lms-accent); color: #fff; border-color: var(--lms-accent); }
.slms-btn--secondary:hover { background: var(--lms-accent-dark); color: #fff; }
.slms-btn--outline {
  background: transparent; color: var(--lms-primary); border-color: var(--lms-primary);
}
.slms-btn--outline:hover { background: var(--lms-primary-light); }
.slms-btn--ghost { background: transparent; border-color: var(--lms-border); color: var(--lms-muted); }
.slms-btn--ghost:hover { background: var(--lms-bg); }
.slms-btn--lg { padding: .85rem 2rem; font-size: 1rem; }
.slms-btn--sm { padding: .4rem .9rem; font-size: .8rem; }
.slms-btn--full { width: 100%; justify-content: center; }
.slms-btn--complete { background: var(--lms-accent); color: #fff; border-color: var(--lms-accent); }
.slms-btn--complete:hover { background: var(--lms-accent-dark); }
.slms-btn--done { background: var(--lms-bg); color: var(--lms-accent); border-color: var(--lms-accent); cursor: default; }
.slms-btn[disabled] { opacity: .6; cursor: not-allowed; }
.slms-btn__arrow { transition: transform var(--lms-transition); }
.slms-btn:hover .slms-btn__arrow { transform: translateX(3px); }

.slms-link-btn { background: none; border: none; color: var(--lms-primary); cursor: pointer; font-size: .85rem; text-decoration: underline; padding: 0; }
.slms-link-btn--danger { color: var(--lms-danger); }

/* ════════════════════════════════════════════════════════════════
   BADGES
   ════════════════════════════════════════════════════════════════ */
.slms-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  background: rgba(255,255,255,.15); color: rgba(255,255,255,.9);
  padding: .25rem .75rem; border-radius: 20px; font-size: .8rem; font-weight: 500;
}
.slms-badge--level { background: var(--lms-primary); color: #fff; }
.slms-badge--cert  { background: var(--lms-warn); color: #fff; }
.slms-badge--success { background: var(--lms-accent); color: #fff; }

/* ════════════════════════════════════════════════════════════════
   PROGRESS BAR
   ════════════════════════════════════════════════════════════════ */
.slms-progress-bar-wrap {
  background: rgba(255,255,255,.2); border-radius: 4px; overflow: hidden; height: 8px;
}
.slms-progress-bar-wrap--light { background: var(--lms-border); }
.slms-progress-bar-wrap--thin  { height: 4px; background: var(--lms-border); }
.slms-progress-bar {
  height: 100%; background: var(--lms-accent);
  border-radius: 4px; transition: width .5s ease;
}
.slms-progress-text, .slms-progress-pct, .slms-progress-label {
  font-size: .78rem; color: var(--lms-muted); margin-top: .3rem; display: block;
}

/* ════════════════════════════════════════════════════════════════
   COURSE HERO
   ════════════════════════════════════════════════════════════════ */
.slms-course-hero {
  background: linear-gradient(135deg, #004D40, #00332B);
  background-size: cover; background-position: center;
  padding: 4rem 0 3rem; position: relative; min-height: 380px;
  display: flex; align-items: center;
}
.slms-course-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26,29,35,.9), rgba(26,29,35,.7));
}
.slms-course-hero__inner {
  position: relative; z-index: 1; color: #fff; max-width: 800px;
}
.slms-course-hero__cat {
  color: var(--lms-primary); font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: .5rem;
}
.slms-course-hero__title { font-size: clamp(1.75rem, 4vw, 2.8rem); font-weight: 800; margin: 0 0 .75rem; line-height: 1.2; }
.slms-course-hero__excerpt { font-size: 1rem; color: rgba(255,255,255,.8); margin: 0 0 1.25rem; line-height: 1.6; }
.slms-course-hero__meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.slms-hero-progress { margin-top: 1rem; max-width: 300px; }

/* ════════════════════════════════════════════════════════════════
   INTRO GRID
   ════════════════════════════════════════════════════════════════ */
.slms-course-intro { padding: 2.5rem 0; }
.slms-intro-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem;
}
@media (min-width: 768px) { .slms-intro-grid { grid-template-columns: repeat(4, 1fr); } }
.slms-intro-grid__item {
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius-sm); padding: .75rem 1rem;
  display: flex; gap: .5rem; align-items: flex-start; font-size: .875rem;
}
.slms-intro-grid__check { color: var(--lms-accent); font-weight: 700; flex-shrink: 0; }

/* ════════════════════════════════════════════════════════════════
   SECTION TITLES
   ════════════════════════════════════════════════════════════════ */
.slms-section-title {
  font-size: 1.4rem; font-weight: 700; color: var(--lms-text); margin: 0 0 1rem;
}
.slms-section-title--sm { font-size: 1.1rem; }

/* ════════════════════════════════════════════════════════════════
   CURRICULUM ACCORDION
   ════════════════════════════════════════════════════════════════ */
.slms-curriculum-section { padding: 2rem 0; }
.slms-curriculum-meta { color: var(--lms-muted); font-size: .875rem; margin-bottom: 1rem; }
.slms-curriculum { border: 1px solid var(--lms-border); border-radius: var(--lms-radius); overflow: hidden; }

.slms-chapter-row { border-bottom: 1px solid var(--lms-border); }
.slms-chapter-row:last-child { border-bottom: none; }

.slms-chapter-toggle {
  width: 100%; background: var(--lms-bg); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; text-align: left; transition: background var(--lms-transition);
}
.slms-chapter-toggle:hover { background: var(--lms-primary-light); }
.slms-chapter-row--open .slms-chapter-toggle { background: var(--lms-primary-light); }
.slms-chapter-toggle__left { display: flex; align-items: center; gap: .75rem; }
.slms-chapter-toggle__icon { color: var(--lms-primary); font-size: .75rem; width: 16px; flex-shrink: 0; }
.slms-chapter-toggle__title { font-weight: 600; font-size: .95rem; color: var(--lms-text); }
.slms-chapter-toggle__right { display: flex; align-items: center; gap: .75rem; }
.slms-chapter-toggle__progress { font-size: .78rem; color: var(--lms-accent); font-weight: 600; }
.slms-chapter-toggle__count { font-size: .78rem; color: var(--lms-muted); }

.slms-chapter-topics { background: #fff; }
.slms-topic-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 1.25rem .75rem 2.5rem; border-top: 1px solid var(--lms-border);
  transition: background var(--lms-transition); gap: .75rem;
}
.slms-topic-row:hover { background: var(--lms-bg); }
.slms-topic-row--current { background: var(--lms-primary-light); }
.slms-topic-row--done { opacity: .75; }
.slms-topic-row__left { display: flex; align-items: center; gap: .6rem; flex: 1; min-width: 0; }
.slms-topic-row__right { display: flex; align-items: center; gap: .75rem; flex-shrink: 0; }
.slms-topic-check { font-size: .8rem; color: var(--lms-muted); width: 18px; text-align: center; }
.slms-topic-check--done { color: var(--lms-accent); }
.slms-topic-check--current { color: var(--lms-primary); }
.slms-topic-row__title { color: var(--lms-text); text-decoration: none; font-size: .875rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.slms-topic-row__title:hover { color: var(--lms-primary); }
.slms-topic-row__free { background: var(--lms-accent); color: #fff; font-size: .7rem; padding: .1rem .4rem; border-radius: 3px; font-weight: 600; }
.slms-topic-row__duration { font-size: .78rem; color: var(--lms-muted); }
.slms-topic-row__done-label { font-size: .78rem; color: var(--lms-accent); }

/* ════════════════════════════════════════════════════════════════
   COURSE CARDS
   ════════════════════════════════════════════════════════════════ */
.slms-courses-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .slms-courses-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .slms-cols-3 { grid-template-columns: repeat(3, 1fr); } }

.slms-course-card {
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius); overflow: hidden;
  box-shadow: var(--lms-shadow); transition: transform var(--lms-transition), box-shadow var(--lms-transition);
  display: flex; flex-direction: column;
}
.slms-course-card:hover { transform: translateY(-3px); box-shadow: var(--lms-shadow-md); }
.slms-course-card__link { display: block; }
.slms-course-card__thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--lms-bg); }
.slms-course-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.slms-course-card:hover .slms-course-card__thumb img { transform: scale(1.05); }
.slms-course-card__thumb-placeholder { display: flex; align-items: center; justify-content: center; font-size: 3rem; height: 100%; }
.slms-course-card__cat {
  position: absolute; top: .75rem; left: .75rem;
  background: var(--lms-primary); color: #fff;
  font-size: .7rem; font-weight: 700; padding: .2rem .6rem; border-radius: 4px;
  text-transform: uppercase; letter-spacing: .05em;
}
.slms-course-card__body { padding: 1rem; flex: 1; }
.slms-course-card__title { font-size: 1rem; font-weight: 700; margin: 0 0 .5rem; line-height: 1.3; }
.slms-course-card__title a { color: var(--lms-text); text-decoration: none; }
.slms-course-card__title a:hover { color: var(--lms-primary); }
.slms-course-card__excerpt { color: var(--lms-muted); font-size: .8rem; margin: 0 0 .75rem; line-height: 1.5; }
.slms-course-card__meta { display: flex; flex-wrap: wrap; gap: .4rem; font-size: .75rem; color: var(--lms-muted); margin-bottom: .75rem; }
.slms-course-card__progress { display: flex; align-items: center; gap: .5rem; }
.slms-course-card__progress .slms-progress-bar-wrap { flex: 1; }
.slms-course-card__footer { padding: .75rem 1rem; border-top: 1px solid var(--lms-border); }

/* ════════════════════════════════════════════════════════════════
   EXAM BLUEPRINT CARDS ( /mock-exams/ + [slms_exam_grid] )
   Uses its own .slms-exam-card* namespace so course/exam styles
   never bleed into each other, even though both sit in the same grid.
   ════════════════════════════════════════════════════════════════ */
.mas-exams-grid,
.slms-exams-grid {
  display: grid; gap: 1.25rem; grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .mas-exams-grid, .slms-exams-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .mas-exams-grid, .slms-exams-grid.slms-cols-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .mas-exams-grid, .slms-exams-grid.slms-cols-4 { grid-template-columns: repeat(4, 1fr); } }

.slms-exam-card {
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius); overflow: hidden;
  box-shadow: var(--lms-shadow); transition: transform var(--lms-transition), box-shadow var(--lms-transition);
  display: flex; flex-direction: column;
}
.slms-exam-card:hover { transform: translateY(-3px); box-shadow: var(--lms-shadow-md); }

.slms-exam-card__header {
  background: linear-gradient(135deg, var(--slms-exam-badge, #0054a6) 0%, rgba(0,0,0,.35) 100%);
  color: #fff; padding: .9rem 1rem; display: flex; justify-content: space-between; align-items: center;
  min-height: 68px;
}
.slms-exam-card__badge {
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  background: rgba(255,255,255,.18); padding: .25rem .6rem; border-radius: 4px;
  backdrop-filter: blur(2px);
}
.slms-exam-card__diff {
  font-size: .7rem; font-weight: 600; padding: .2rem .55rem; border-radius: 10px;
  background: rgba(255,255,255,.92); color: #333;
}
.slms-exam-card__diff.slms-diff-1 { color: #2e7d32; }
.slms-exam-card__diff.slms-diff-2 { color: #ef6c00; }
.slms-exam-card__diff.slms-diff-3 { color: #c62828; }

.slms-exam-card__body { padding: 1rem; flex: 1; display: flex; flex-direction: column; gap: .65rem; }
.slms-exam-card__title { font-size: 1.02rem; font-weight: 700; margin: 0; line-height: 1.35; }
.slms-exam-card__title a { color: var(--lms-text); text-decoration: none; }
.slms-exam-card__title a:hover { color: var(--lms-primary); }

.slms-exam-card__sections {
  font-size: .78rem; color: var(--lms-muted); line-height: 1.4;
  padding: .4rem .6rem; background: var(--lms-bg); border-radius: 4px;
  border-left: 3px solid var(--lms-primary, #0054a6);
}

.slms-exam-card__meta {
  list-style: none; padding: 0; margin: .25rem 0 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem;
  border-top: 1px dashed var(--lms-border); padding-top: .7rem;
}
.slms-exam-card__meta li { text-align: center; display: flex; flex-direction: column; gap: 2px; }
.slms-exam-card__meta-value { font-weight: 700; font-size: 1rem; color: var(--lms-text); }
.slms-exam-card__meta-label { font-size: .68rem; color: var(--lms-muted); text-transform: uppercase; letter-spacing: .04em; }

.slms-exam-card__tags { display: flex; flex-wrap: wrap; gap: .3rem; }
.slms-exam-card__tag {
  font-size: .68rem; background: var(--lms-bg); color: var(--lms-muted);
  padding: .15rem .5rem; border-radius: 10px; border: 1px solid var(--lms-border);
}

.slms-exam-card__footer { padding: .75rem 1rem; border-top: 1px solid var(--lms-border); }

/* Related-exams block on course + topic single pages */
.slms-course-related-exams,
.slms-topic-related-exams {
  margin: 2rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--lms-border);
}
.slms-topic-related-exams h3 {
  margin: 0 0 1rem; font-size: 1.15rem; color: var(--lms-text);
}
.slms-course-related-exams .slms-exam-grid-title,
.slms-topic-related-exams .slms-exam-grid-title {
  margin-top: 0; font-size: 1.25rem;
}

/* ════════════════════════════════════════════════════════════════
   STUDENT DASHBOARD → Mock Exams tab
   ════════════════════════════════════════════════════════════════ */
.slms-tab-mock-exams { display: flex; flex-direction: column; gap: 1.5rem; }

.slms-exams-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
@media (max-width: 700px) { .slms-exams-stats { grid-template-columns: repeat(2, 1fr); } }
.slms-exam-stat-card {
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius); padding: 1rem 1.25rem;
  box-shadow: var(--lms-shadow);
}
.slms-exam-stat-card__value {
  font-size: 1.75rem; font-weight: 700; color: var(--lms-primary);
  line-height: 1; margin-bottom: .35rem;
}
.slms-exam-stat-card__label { color: var(--lms-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }

.slms-exams-section {
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius); padding: 1.25rem; box-shadow: var(--lms-shadow);
}
.slms-exams-section__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem; gap: 1rem; flex-wrap: wrap;
}
.slms-exams-section__head h3 { margin: 0; font-size: 1.1rem; }
.slms-exams-empty { color: var(--lms-muted); padding: 1.5rem 0; text-align: center; }

.slms-exams-attempts-table-wrap { overflow-x: auto; }
.slms-exams-attempts-table {
  width: 100%; border-collapse: collapse; font-size: .88rem;
}
.slms-exams-attempts-table th,
.slms-exams-attempts-table td {
  padding: .6rem .75rem; border-bottom: 1px solid var(--lms-border); text-align: left;
}
.slms-exams-attempts-table th { background: var(--lms-bg); font-weight: 600; color: var(--lms-muted); }
.slms-exams-attempts-table tbody tr:hover { background: var(--lms-bg); }

.slms-pct-badge {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-weight: 700; font-size: .8rem;
}
.slms-pct-high { background: #e7f6e9; color: #2e7d32; }
.slms-pct-mid  { background: #fff3e0; color: #ef6c00; }
.slms-pct-low  { background: #fdecec; color: #c62828; }

.slms-mini-stat {
  display: inline-block; min-width: 24px; padding: 2px 6px; border-radius: 3px;
  font-size: .75rem; font-weight: 600; text-align: center; margin-right: 3px;
}
.slms-ms-correct { background: #e7f6e9; color: #2e7d32; }
.slms-ms-wrong   { background: #fdecec; color: #c62828; }
.slms-ms-skip    { background: #f0f0f0; color: #666; }

/* Two-column charts row (trend + mix) */
.slms-exams-charts {
  display: grid; grid-template-columns: 2fr 1fr; gap: 1rem;
}
@media (max-width: 900px) { .slms-exams-charts { grid-template-columns: 1fr; } }

/* Score-trend bar chart — pure CSS, no library */
.slms-exams-trend .slms-exams-section__head small { font-weight: 400; color: var(--lms-muted); font-size: .75rem; }
.slms-trend-chart {
  display: flex; align-items: flex-end; gap: 10px;
  height: 180px; padding: 10px 4px 0;
  border-bottom: 1px dashed var(--lms-border);
}
.slms-trend-bar-wrap { flex: 1; display: flex; align-items: flex-end; min-width: 28px; }
.slms-trend-bar {
  width: 100%; min-height: 4px; border-radius: 4px 4px 0 0;
  position: relative; transition: filter .15s;
  display: flex; align-items: flex-start; justify-content: center;
}
.slms-trend-bar:hover { filter: brightness(1.08); }
.slms-trend-high { background: linear-gradient(180deg, #4caf50, #2e7d32); }
.slms-trend-mid  { background: linear-gradient(180deg, #ff9800, #ef6c00); }
.slms-trend-low  { background: linear-gradient(180deg, #e57373, #c62828); }
.slms-trend-value {
  font-size: .65rem; font-weight: 700; color: #fff;
  padding: 2px 0 0; text-shadow: 0 1px 2px rgba(0,0,0,.3);
}
.slms-trend-axis {
  display: flex; justify-content: space-between;
  font-size: .7rem; color: var(--lms-muted); margin-top: 4px;
  padding: 0 4px;
}

/* Answer-mix horizontal stacked bar */
.slms-mix-bar {
  height: 28px; border-radius: 14px; overflow: hidden;
  background: var(--lms-bg); display: flex; margin-bottom: 1rem;
}
.slms-mix-seg { height: 100%; transition: filter .15s; }
.slms-mix-seg:hover { filter: brightness(1.08); }
.slms-mix-seg.slms-mix-correct { background: #4caf50; }
.slms-mix-seg.slms-mix-wrong   { background: #d32f2f; }
.slms-mix-seg.slms-mix-skip    { background: #b0bec5; }
.slms-mix-legend { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; font-size: .82rem; }
.slms-mix-legend li { display: flex; align-items: center; gap: 8px; }
.slms-mix-legend em { color: var(--lms-muted); font-style: normal; font-size: .78rem; }
.slms-mix-dot { width: 12px; height: 12px; border-radius: 50%; flex: 0 0 auto; display: inline-block; }
.slms-mix-dot.slms-mix-correct { background: #4caf50; }
.slms-mix-dot.slms-mix-wrong   { background: #d32f2f; }
.slms-mix-dot.slms-mix-skip    { background: #b0bec5; }

/* ════════════════════════════════════════════════════════════════
   TOPIC PAGE — SIDEBAR LAYOUT
   ════════════════════════════════════════════════════════════════ */
.slms-topic-page {
  display: flex; min-height: calc(100vh - var(--lms-header-h));
  background: var(--lms-bg);
}

/* Sidebar */
.slms-topic-sidebar {
  width: var(--lms-sidebar-width);
  background: var(--lms-sidebar-bg);
  color: var(--lms-sidebar-text);
  flex-shrink: 0;
  overflow-y: auto;
  position: sticky;
  top: var(--lms-header-h);
  max-height: calc(100vh - var(--lms-header-h));
}
.slms-sidebar-inner { display: flex; flex-direction: column; height: 100%; }

/* Sidebar header */
.slms-sidebar-header {
  display: flex; align-items: center; gap: .75rem;
  padding: 1rem; border-bottom: 1px solid rgba(255,255,255,.08);
}
.slms-fullscreen-btn {
  background: rgba(255,255,255,.1); border: none; color: var(--lms-sidebar-text);
  border-radius: 6px; padding: .4rem; cursor: pointer; flex-shrink: 0;
  transition: background var(--lms-transition);
}
.slms-fullscreen-btn:hover { background: rgba(255,255,255,.2); }
.slms-sidebar-course-title {
  color: var(--lms-sidebar-text); text-decoration: none; font-weight: 600; font-size: .85rem;
  line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.slms-sidebar-course-title:hover { color: var(--lms-primary); }

/* Back buttons */
.slms-sidebar-back-btns { padding: .5rem .75rem; display: flex; flex-direction: column; gap: .25rem; }
.slms-sidebar-back-btn {
  display: flex; align-items: center; gap: .4rem; padding: .4rem .5rem;
  color: var(--lms-sidebar-muted); font-size: .8rem; text-decoration: none;
  border-radius: 6px; transition: all var(--lms-transition);
}
.slms-sidebar-back-btn:hover { color: var(--lms-sidebar-text); background: rgba(255,255,255,.05); }

/* Sidebar progress */
.slms-sidebar-progress { padding: .75rem 1rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.slms-sidebar-progress__bar-wrap { background: rgba(255,255,255,.1); border-radius: 4px; height: 4px; overflow: hidden; }
.slms-sidebar-progress__bar { height: 100%; background: var(--lms-accent); transition: width .5s ease; }
.slms-sidebar-progress__label { font-size: .72rem; color: var(--lms-sidebar-muted); margin-top: .3rem; display: block; }

/* Sidebar curriculum tree */
.slms-sidebar-curriculum { flex: 1; overflow-y: auto; padding-bottom: 2rem; -webkit-overflow-scrolling: touch; overscroll-behavior-y: contain; }
.slms-sidebar-chapter { border-bottom: 1px solid rgba(255,255,255,.06); }
.slms-sidebar-chapter-toggle {
  width: 100%; background: none; border: none; color: var(--lms-sidebar-text);
  display: flex; align-items: center; gap: .5rem; padding: .8rem 1rem;
  cursor: pointer; text-align: left; transition: background var(--lms-transition); font-size: .82rem;
}
.slms-sidebar-chapter-toggle:hover { background: rgba(255,255,255,.04); }
.slms-sidebar-chapter-icon { font-size: .7rem; flex-shrink: 0; color: var(--lms-sidebar-muted); }
.slms-sidebar-chapter-title { font-weight: 600; }
.slms-sidebar-topics { list-style: none; margin: 0; padding: 0; }
.slms-sidebar-topic a {
  display: flex; align-items: center; gap: .5rem;
  padding: .55rem 1rem .55rem 2rem; color: var(--lms-sidebar-muted);
  text-decoration: none; font-size: .8rem; transition: all var(--lms-transition);
  border-left: 3px solid transparent;
}
.slms-sidebar-topic a:hover { color: var(--lms-sidebar-text); background: rgba(255,255,255,.04); }
.slms-sidebar-topic--active a {
  color: #fff; background: rgba(0,137,123,.15);
  border-left-color: var(--lms-primary);
}
.slms-sidebar-topic--done a { color: var(--lms-sidebar-done); }
.slms-sidebar-topic-icon { font-size: .75rem; width: 14px; flex-shrink: 0; }

/* Main content area (base — overridden by the detailed block below) */
.slms-topic-main { flex: 1; min-width: 0; padding: 0; max-width: none; }

/* Mobile sidebar toggle */
.slms-sidebar-toggle {
  display: none; position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 1000;
  background: var(--lms-primary); color: #fff; border: none; border-radius: 50px;
  padding: .6rem 1rem; cursor: pointer; box-shadow: var(--lms-shadow-md);
  align-items: center; gap: .4rem; font-weight: 600;
}
.slms-sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 990; }

/* Mobile sidebar — overridden in redesign block (section 15) */

/* ── Fullscreen mode ────────────────────────────────────────────── */
body.slms-fullscreen #wpadminbar { display: none !important; }
body.slms-fullscreen .slms-credits-banner { top: 0 !important; }
body.slms-fullscreen .slms-topic-page {
  position: fixed; inset: 0; z-index: 9998;
  overflow: hidden; background: #fff;
}
body.slms-fullscreen .slms-topic-main { overflow-y: auto; height: 100vh; }
body.slms-fullscreen .slms-topic-sidebar { max-height: 100vh; top: 0; }
body.slms-fullscreen .slms-credits-banner { display: none; }

/* ════════════════════════════════════════════════════════════════
   BREADCRUMB
   ════════════════════════════════════════════════════════════════ */
.slms-breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: .3rem; font-size: .8rem; color: var(--lms-muted); margin-bottom: 1.5rem; }
.slms-breadcrumb__link { color: var(--lms-primary); text-decoration: none; }
.slms-breadcrumb__link:hover { text-decoration: underline; }
.slms-breadcrumb__sep { color: var(--lms-border); }
.slms-breadcrumb__current { color: var(--lms-muted); }

/* ════════════════════════════════════════════════════════════════
   TOPIC CONTENT
   ════════════════════════════════════════════════════════════════ */
.slms-topic-header { margin-bottom: 1.5rem; }
.slms-topic-title { font-size: clamp(1.3rem, 3vw, 2rem); font-weight: 800; margin: 0 0 .75rem; }
.slms-topic-meta { display: flex; gap: .5rem; flex-wrap: wrap; }
.slms-prose { line-height: 1.75; color: var(--lms-text); font-size: 1rem; }
.slms-prose h2, .slms-prose h3 { margin-top: 2rem; }
.slms-prose img { max-width: 100%; border-radius: var(--lms-radius-sm); }
.slms-prose pre { background: #004D40; color: #e2e8f0; padding: 1rem; border-radius: var(--lms-radius-sm); overflow-x: auto; }
.slms-prose blockquote { border-left: 4px solid var(--lms-primary); margin: 1rem 0; padding: .5rem 1rem; background: var(--lms-primary-light); border-radius: 0 var(--lms-radius-sm) var(--lms-radius-sm) 0; }

/* Mark Complete */
.slms-mark-complete-wrap { margin: 2rem 0; }

/* AI Assessment Section */
.slms-ai-assessment-section {
  margin: 2.5rem 0; padding: 1.5rem; background: var(--lms-bg);
  border: 1px solid var(--lms-border); border-radius: var(--lms-radius);
}

/* Prev/Next Nav */
.slms-topic-nav {
  display: flex; justify-content: space-between; gap: 1rem;
  margin: 2.5rem 0; padding-top: 1.5rem; border-top: 1px solid var(--lms-border);
}
.slms-topic-nav__btn {
  display: flex; align-items: center; gap: .75rem;
  padding: .9rem 1.25rem; border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius); text-decoration: none; color: var(--lms-text);
  transition: all var(--lms-transition); max-width: 48%;
}
.slms-topic-nav__btn:hover { border-color: var(--lms-primary); color: var(--lms-primary); background: var(--lms-primary-light); }
.slms-topic-nav__btn--next { margin-left: auto; text-align: right; }
.slms-topic-nav__info { display: flex; flex-direction: column; min-width: 0; }
.slms-topic-nav__info small { color: var(--lms-muted); font-size: .75rem; margin-bottom: .15rem; }
.slms-topic-nav__arrow { font-size: 1.2rem; flex-shrink: 0; }

/* ════════════════════════════════════════════════════════════════
   NOTES POPOVER
   ════════════════════════════════════════════════════════════════ */
.slms-notes-popover {
  position: absolute; z-index: 500;
  background: #fff; border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius); box-shadow: var(--lms-shadow-md);
  padding: .75rem; width: 280px;
}
.slms-notes-popover__add-btn {
  background: var(--lms-primary); color: #fff; border: none;
  border-radius: 6px; padding: .35rem .75rem; cursor: pointer; font-size: .8rem; font-weight: 600;
}
.slms-notes-popover__textarea {
  width: 100%; border: 1px solid var(--lms-border); border-radius: 6px;
  padding: .5rem; font-size: .85rem; resize: vertical; min-height: 70px; margin-top: .5rem;
  font-family: inherit;
}
.slms-notes-popover__footer { display: flex; justify-content: flex-end; gap: .5rem; margin-top: .5rem; }
.slms-toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  background: var(--lms-sidebar-bg); color: #fff; padding: .6rem 1.25rem;
  border-radius: 20px; font-size: .85rem; z-index: 9999; pointer-events: none;
  animation: slmsToastIn .3s ease;
}
@keyframes slmsToastIn { from { opacity: 0; transform: translateX(-50%) translateY(10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* ════════════════════════════════════════════════════════════════
   SHARE BUTTONS
   ════════════════════════════════════════════════════════════════ */
/* ── Share section ───────────────────────────────────────────── */
.slms-share-section { padding: 1.5rem 0; border-top: 1px solid var(--lms-border); }
.slms-share-inner { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; }
.slms-share-label { font-weight: 600; font-size: .82rem; color: var(--lms-muted); white-space: nowrap; }
.slms-share-buttons { display: flex; flex-wrap: wrap; gap: .45rem; }

/* Icon-only pill buttons */
.slms-share-btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer; text-decoration: none; border: none;
  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
  flex-shrink: 0;
}
.slms-share-btn:hover { transform: translateY(-3px); opacity: 1; }
.slms-share-btn--whatsapp { background: #25d366; color: #fff; box-shadow: 0 2px 8px rgba(37,211,102,.35); }
.slms-share-btn--whatsapp:hover { box-shadow: 0 6px 16px rgba(37,211,102,.5); }
.slms-share-btn--twitter  { background: #000; color: #fff; box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.slms-share-btn--twitter:hover { box-shadow: 0 6px 16px rgba(0,0,0,.4); }
.slms-share-btn--linkedin { background: #0a66c2; color: #fff; box-shadow: 0 2px 8px rgba(10,102,194,.35); }
.slms-share-btn--linkedin:hover { box-shadow: 0 6px 16px rgba(10,102,194,.5); }
.slms-share-btn--instagram {
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  color: #fff; box-shadow: 0 2px 8px rgba(214,36,159,.35);
}
.slms-share-btn--instagram:hover { box-shadow: 0 6px 16px rgba(214,36,159,.5); }
.slms-share-btn--copy {
  background: var(--lms-surface); color: var(--lms-text);
  border: 1.5px solid var(--lms-border);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  width: auto; padding: 0 .85rem; border-radius: var(--lms-radius-pill); gap: .4rem; font-size: .78rem; font-weight: 600;
}
.slms-share-btn--copy:hover { border-color: var(--lms-primary); color: var(--lms-primary); box-shadow: 0 4px 10px rgba(0,137,123,.18); }

/* Tooltip via data-tooltip */
.slms-share-btn[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 7px); left: 50%; transform: translateX(-50%);
  background: rgba(26,29,35,.88); color: #fff;
  font-size: .68rem; font-weight: 600; white-space: nowrap;
  padding: .25rem .55rem; border-radius: 5px;
  pointer-events: none; opacity: 0;
  transition: opacity .15s ease, bottom .15s ease;
}
.slms-share-btn[data-tooltip]:hover::after { opacity: 1; bottom: calc(100% + 9px); }

/* ════════════════════════════════════════════════════════════════
   COMMUNITY STRIP
   ════════════════════════════════════════════════════════════════ */
.slms-community-strip {
  background: linear-gradient(135deg, #004D40, #00332B);
  padding: 1.25rem 0; margin-top: 2rem;
}
.slms-community-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.slms-community-offer-badge { color: #fff; font-weight: 600; font-size: .9rem; }
.slms-community-links { display: flex; gap: .5rem; flex-wrap: wrap; }
.slms-community-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem 1rem; border-radius: 20px; font-size: .8rem; font-weight: 600;
  text-decoration: none; transition: opacity var(--lms-transition);
}
.slms-community-btn:hover { opacity: .85; }
.slms-community-btn--whatsapp { background: #25d366; color: #fff; }
.slms-community-btn--instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); color: #fff; }
.slms-community-btn--telegram  { background: #0088cc; color: #fff; }

/* ════════════════════════════════════════════════════════════════
   ARCHIVE PAGE
   ════════════════════════════════════════════════════════════════ */
.slms-archive-page { padding: 2rem 0 4rem; background: var(--lms-bg); min-height: 60vh; }
.slms-archive-header { text-align: center; margin-bottom: 2rem; }
.slms-archive-title { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; }
.slms-archive-desc { color: var(--lms-muted); }
.slms-category-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; justify-content: center; }
.slms-category-tab {
  padding: .4rem 1rem; border-radius: 20px; font-size: .85rem; font-weight: 500;
  text-decoration: none; color: var(--lms-muted); background: var(--lms-card-bg);
  border: 1px solid var(--lms-border); transition: all var(--lms-transition);
}
.slms-category-tab.active, .slms-category-tab:hover { background: var(--lms-primary); color: #fff; border-color: var(--lms-primary); }
.slms-pagination { display: flex; justify-content: center; margin-top: 3rem; }
.slms-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border: 1px solid var(--lms-border); border-radius: 6px;
  margin: 0 2px; text-decoration: none; color: var(--lms-text); transition: all var(--lms-transition);
}
.slms-pagination .page-numbers.current, .slms-pagination .page-numbers:hover {
  background: var(--lms-primary); color: #fff; border-color: var(--lms-primary);
}

/* ════════════════════════════════════════════════════════════════
   PAYMENT PAGE
   ════════════════════════════════════════════════════════════════ */
.slms-payment-page { padding: 3rem 0; background: var(--lms-bg); min-height: 60vh; }
.slms-payment-container { max-width: 860px; margin: auto; padding: 0 1rem; }
.slms-payment-header { text-align: center; margin-bottom: 2.5rem; }
.slms-payment-header h2 { font-size: 1.8rem; font-weight: 800; }
.slms-payment-header p { color: var(--lms-muted); }

.slms-plan-cards { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .slms-plan-cards { grid-template-columns: repeat(3, 1fr); } }

.slms-plan-card {
  background: var(--lms-card-bg); border: 2px solid var(--lms-border);
  border-radius: var(--lms-radius); padding: 1.5rem; position: relative;
  transition: border-color var(--lms-transition), transform var(--lms-transition);
  cursor: pointer; display: flex; flex-direction: column;
}
.slms-plan-card:hover { border-color: var(--lms-primary); transform: translateY(-3px); }
.slms-plan-card--featured { border-color: var(--lms-primary); }
.slms-plan-card--current { border-color: var(--lms-accent); }
.slms-plan-card__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--lms-primary); color: #fff;
  padding: .2rem .75rem; border-radius: 20px; font-size: .72rem; font-weight: 700;
  white-space: nowrap;
}
.slms-plan-card__badge--current { background: var(--lms-accent); }
.slms-plan-card__header { text-align: center; margin-bottom: 1.25rem; }
.slms-plan-card__name { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }
.slms-plan-card__price { font-size: 2rem; font-weight: 800; color: var(--lms-primary); }
.slms-plan-card__currency { font-size: 1.2rem; vertical-align: super; }
.slms-plan-card__body { flex: 1; }
.slms-plan-card__credits { text-align: center; margin-bottom: .75rem; }
.slms-plan-card__credits-num { font-size: 1.6rem; font-weight: 800; color: var(--lms-text); }
.slms-plan-card__credits-label { display: block; font-size: .8rem; color: var(--lms-muted); }
.slms-plan-card__desc { text-align: center; color: var(--lms-muted); font-size: .85rem; margin-bottom: .75rem; }
.slms-plan-card__features { list-style: none; margin: 0 0 1rem; padding: 0; font-size: .82rem; color: var(--lms-muted); }
.slms-plan-card__features li { padding: .25rem 0; }
.slms-plan-card__footer { margin-top: auto; }

.slms-order-summary {
  margin-top: 1.5rem; background: var(--lms-card-bg);
  border: 1px solid var(--lms-border); border-radius: var(--lms-radius); overflow: hidden;
}
.slms-order-summary__inner { padding: 1.25rem; }
.slms-order-summary__row { display: flex; justify-content: space-between; padding: .5rem 0; border-bottom: 1px solid var(--lms-border); }
.slms-order-summary__row--total { border-bottom: none; padding-top: .75rem; font-size: 1.1rem; }
.slms-order-summary__gst { margin-top: .25rem; color: var(--lms-muted); text-align: right; }

.slms-payment-status {
  margin-top: 1rem; padding: 1rem; border-radius: var(--lms-radius);
  text-align: center; font-weight: 600;
}
.slms-payment-status--success { background: #d1fae5; color: #065f46; }
.slms-payment-status--error   { background: #fee2e2; color: #991b1b; }

/* ── Coupon Section ── */
.slms-coupon-section { margin-top: 1.5rem; }
.slms-coupon-section__inner {
  max-width: 480px; margin: 0 auto;
  background: var(--lms-card-bg, #fff); padding: 1rem 1.25rem;
  border-radius: var(--lms-radius); border: 1px dashed var(--lms-border);
}
.slms-coupon-section__label { font-size: .9rem; font-weight: 600; margin-bottom: .5rem; display: block; }
.slms-coupon-section__row { display: flex; gap: .5rem; }
.slms-coupon-section__input {
  flex: 1; padding: .5rem .75rem; border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius); font-size: .95rem; text-transform: uppercase;
  letter-spacing: .05em; font-family: monospace;
}
.slms-coupon-section__input:focus { border-color: var(--lms-primary); outline: none; box-shadow: 0 0 0 2px var(--lms-primary-light); }
.slms-coupon-section__btn { white-space: nowrap; padding: .5rem 1.25rem; }
.slms-coupon-section__msg { margin-top: .5rem; font-size: .85rem; font-weight: 500; }
.slms-coupon-section__msg--success { color: #065f46; }
.slms-coupon-section__msg--error   { color: #991b1b; }
.slms-coupon-section__active { margin-top: .5rem; }
.slms-coupon-section__badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: #d1fae5; color: #065f46; padding: .35rem .75rem;
  border-radius: var(--lms-radius-pill, 99px); font-size: .85rem; font-weight: 600;
}
.slms-coupon-section__remove {
  background: none; border: none; color: #991b1b; cursor: pointer;
  font-size: 1rem; padding: 0 .25rem; line-height: 1;
}
.slms-coupon-section__remove:hover { color: #7f1d1d; }

/* Plan card price strikethrough */
.slms-plan-card__strike {
  display: block; text-decoration: line-through; color: var(--lms-muted);
  font-size: 1rem; font-weight: 400; margin-bottom: .15rem;
}

/* Order summary discount row */
.slms-order-summary__row--discount { color: #065f46; }
.slms-order-summary__discount-amt { font-weight: 600; color: #065f46; }
.slms-order-summary__row--credits { color: var(--lms-primary); }
.slms-order-summary__credits { font-weight: 700; }
.slms-plan-card--selected { box-shadow: 0 0 0 3px var(--lms-primary); }

/* ════════════════════════════════════════════════════════════════
   STUDENT DASHBOARD
   ════════════════════════════════════════════════════════════════ */
.slms-dashboard { max-width: 1100px; margin: auto; padding: 1.5rem 1rem 4rem; }
.slms-dashboard-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap;
}
.slms-dashboard-welcome h1 { font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 800; margin: 0 0 .25rem; }
.slms-dashboard-subtitle { color: var(--lms-muted); font-size: .9rem; }
.slms-dashboard-credits-badge {
  display: flex; align-items: center; gap: .4rem;
  background: var(--lms-sidebar-bg); color: #fff;
  padding: .6rem 1rem; border-radius: var(--lms-radius-sm);
  font-size: .9rem;
}
.slms-dashboard-credits-icon { font-size: 1.1rem; color: var(--lms-warn); }
.slms-dashboard-credits-val { font-size: 1.1rem; font-weight: 700; color: var(--lms-warn); }

/* Dashboard tabs */
.slms-dashboard-tabs {
  display: flex; overflow-x: auto; gap: 0; border-bottom: 2px solid var(--lms-border); margin-bottom: 1.5rem;
  scrollbar-width: none;
}
.slms-dashboard-tabs::-webkit-scrollbar { display: none; }
.slms-dashboard-tab {
  display: flex; align-items: center; gap: .4rem; padding: .7rem 1rem;
  text-decoration: none; color: var(--lms-muted); font-size: .85rem; font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -2px; white-space: nowrap;
  transition: all var(--lms-transition);
}
.slms-dashboard-tab:hover { color: var(--lms-primary); }
.slms-dashboard-tab--active { color: var(--lms-primary); border-bottom-color: var(--lms-primary); }

/* Tab: Courses */
.slms-tab-courses__topbar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-bottom: 1.5rem; }
.slms-class-switcher { display: flex; align-items: center; gap: .5rem; font-size: .875rem; }
.slms-select { border: 1px solid var(--lms-border); border-radius: 6px; padding: .4rem .75rem; font-size: .875rem; background: #fff; }
.slms-cat-filter-pills { display: flex; flex-wrap: wrap; gap: .4rem; }
.slms-cat-pill {
  padding: .3rem .8rem; border-radius: 20px; font-size: .78rem; font-weight: 500;
  text-decoration: none; color: var(--lms-muted); background: var(--lms-card-bg);
  border: 1px solid var(--lms-border); transition: all var(--lms-transition);
}
.slms-cat-pill.active, .slms-cat-pill:hover { background: var(--lms-primary); color: #fff; border-color: var(--lms-primary); }
.slms-tab-courses__section { margin-bottom: 2rem; }

/* Tab: Credits */
.slms-credit-balance-card {
  display: flex; align-items: center; gap: 1.25rem; padding: 1.5rem;
  background: linear-gradient(135deg, var(--lms-sidebar-bg), #00332B);
  border-radius: var(--lms-radius); color: #fff; margin-bottom: 2rem;
  flex-wrap: wrap;
}
.slms-credit-balance-card__icon { font-size: 2.5rem; }
.slms-credit-balance-card__body { flex: 1; }
.slms-credit-balance-card__amount { font-size: 2.5rem; font-weight: 800; color: var(--lms-warn); line-height: 1; }
.slms-credit-balance-card__label { color: rgba(255,255,255,.7); font-size: .85rem; }

/* Tab: Notes */
.slms-tab-notes__toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: .75rem; }
.slms-notes-group { margin-bottom: 2rem; }
.slms-notes-group__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: .75rem; padding-bottom: .5rem; border-bottom: 1px solid var(--lms-border); }
.slms-notes-group__header h4 { font-size: .95rem; font-weight: 700; margin: 0; }
.slms-notes-group__count { color: var(--lms-muted); font-size: .78rem; }
.slms-note-card {
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius-sm); padding: 1rem; margin-bottom: .75rem;
}
.slms-note-card__meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: .5rem; flex-wrap: wrap; gap: .4rem; }
.slms-note-card__topic { color: var(--lms-primary); font-size: .8rem; text-decoration: none; font-weight: 500; }
.slms-note-card__date { color: var(--lms-muted); font-size: .75rem; }
.slms-note-card__quote { border-left: 3px solid var(--lms-primary); margin: 0 0 .5rem; padding: .4rem .75rem; background: var(--lms-primary-light); border-radius: 0 4px 4px 0; color: var(--lms-text); font-size: .85rem; font-style: italic; }
.slms-note-card__text { color: var(--lms-text); font-size: .875rem; margin: 0 0 .75rem; }
.slms-note-card__actions { display: flex; gap: 1rem; }
.slms-current-plan-badge { display: inline-block; background: var(--lms-primary-light); color: var(--lms-primary); padding: .4rem 1rem; border-radius: 20px; font-size: .875rem; margin-bottom: 1.5rem; }

/* Account settings */
.slms-form-section { margin-bottom: 2rem; padding: 1.5rem; background: var(--lms-card-bg); border: 1px solid var(--lms-border); border-radius: var(--lms-radius); }
.slms-form-section h4 { font-size: .95rem; font-weight: 700; margin: 0 0 1rem; }
.slms-form-row { display: flex; flex-direction: column; gap: 1rem; }
.slms-form-row--2col { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .slms-form-row--2col { grid-template-columns: repeat(2, 1fr); } }
.slms-form-group { display: flex; flex-direction: column; gap: .4rem; }
.slms-form-group label { font-size: .85rem; font-weight: 600; color: var(--lms-text); }
.slms-form-group input, .slms-form-group select, .slms-form-group textarea {
  border: 1px solid var(--lms-border); border-radius: 6px; padding: .55rem .85rem;
  font-size: .9rem; background: #fff; transition: border-color var(--lms-transition); color: var(--lms-text);
}
.slms-form-group input:focus, .slms-form-group select:focus { outline: none; border-color: var(--lms-primary); box-shadow: 0 0 0 3px rgba(0,137,123,.1); }
.slms-form-actions { display: flex; align-items: center; gap: 1rem; margin-top: 1.5rem; }
.slms-form-status { font-size: .85rem; }
.slms-input--sm { border: 1px solid var(--lms-border); border-radius: 6px; padding: .4rem .75rem; font-size: .85rem; }
.required { color: var(--lms-danger); }

/* Exam pills */
.slms-exam-pills { display: flex; flex-wrap: wrap; gap: .5rem; }
.slms-exam-pill input { display: none; }
.slms-exam-pill span {
  display: inline-block; padding: .35rem .85rem; border-radius: 20px;
  font-size: .8rem; font-weight: 500; cursor: pointer;
  border: 1px solid var(--lms-border); background: var(--lms-card-bg); color: var(--lms-muted);
  transition: all var(--lms-transition);
}
.slms-exam-pill input:checked + span { background: var(--lms-primary); color: #fff; border-color: var(--lms-primary); }
.slms-exam-pill span:hover { border-color: var(--lms-primary); color: var(--lms-primary); }

/* ════════════════════════════════════════════════════════════════
   ONBOARDING WIZARD
   ════════════════════════════════════════════════════════════════ */
.slms-onboarding { position: fixed; inset: 0; z-index: 99999; display: flex; align-items: center; justify-content: center; }
.slms-onboarding__overlay { position: absolute; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(4px); }
.slms-onboarding__box {
  position: relative; background: #fff; border-radius: 16px;
  width: min(540px, 95vw); max-height: 90vh; overflow-y: auto;
  padding: 2rem; box-shadow: 0 25px 60px rgba(0,0,0,.3);
}
.slms-onboarding__header { text-align: center; margin-bottom: 1.5rem; }
.slms-onboarding__logo { font-size: 2.5rem; margin-bottom: .5rem; }
.slms-onboarding__header h2 { font-size: 1.4rem; font-weight: 800; margin: 0 0 .4rem; }
.slms-onboarding__header p { color: var(--lms-muted); font-size: .875rem; }
.slms-onboarding__steps { display: flex; align-items: center; justify-content: center; gap: 0; margin-bottom: 2rem; }
.slms-onboarding__step {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--lms-border); color: var(--lms-muted); display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700; transition: all var(--lms-transition);
}
.slms-onboarding__step--active { background: var(--lms-primary); color: #fff; }
.slms-onboarding__step--done   { background: var(--lms-accent); color: #fff; }
.slms-onboarding__step-line { flex: 1; height: 2px; background: var(--lms-border); max-width: 60px; }
.slms-onboarding__panel { display: none; }
.slms-onboarding__panel--active { display: block; }
.slms-onboarding__panel h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.slms-onboarding__hint { color: var(--lms-muted); font-size: .82rem; margin-bottom: .75rem; }
.slms-onboarding__footer { display: flex; gap: .75rem; margin-top: 1.5rem; justify-content: flex-end; }
.slms-onboarding__skip { text-align: center; margin-top: .75rem; }
.slms-onboarding__done { text-align: center; padding: 1rem 0; }
.slms-onboarding__done-icon { font-size: 3rem; margin-bottom: .75rem; }
.slms-ob-plans { display: flex; flex-direction: column; gap: .5rem; }
.slms-ob-plan input { display: none; }
.slms-ob-plan__inner {
  display: flex; align-items: center; gap: .75rem;
  border: 2px solid var(--lms-border); border-radius: var(--lms-radius-sm);
  padding: .75rem 1rem; cursor: pointer; transition: border-color var(--lms-transition); position: relative;
}
.slms-ob-plan--featured .slms-ob-plan__inner { border-color: var(--lms-primary); }
.slms-ob-plan input:checked + .slms-ob-plan__inner { border-color: var(--lms-primary); background: var(--lms-primary-light); }
.slms-ob-plan__badge {
  position: absolute; right: .75rem; top: 50%; transform: translateY(-50%);
  background: var(--lms-primary); color: #fff; padding: .1rem .5rem; border-radius: 3px; font-size: .68rem; font-weight: 700;
}
.slms-ob-plan__name { font-weight: 600; font-size: .9rem; flex: 1; }
.slms-ob-plan__price { font-weight: 700; color: var(--lms-primary); font-size: 1rem; }
.slms-ob-plan__credits { color: var(--lms-muted); font-size: .78rem; margin-left: .25rem; }

/* ════════════════════════════════════════════════════════════════
   EMPTY STATES
   ════════════════════════════════════════════════════════════════ */
.slms-empty { color: var(--lms-muted); font-style: italic; font-size: .875rem; padding: 1rem; }
.slms-empty--sm { padding: .5rem 1.25rem; font-size: .8rem; }
.slms-empty-state { text-align: center; padding: 4rem 2rem; color: var(--lms-muted); }
.slms-empty-state__icon { font-size: 3rem; margin-bottom: 1rem; }
.slms-empty-state h3, .slms-empty-state h4 { font-size: 1.1rem; margin-bottom: .4rem; }

/* ════════════════════════════════════════════════════════════════
   PROSE (content)
   ════════════════════════════════════════════════════════════════ */
.slms-course-description { padding: 2rem 0; }

/* ════════════════════════════════════════════════════════════════
   LOGIN PROMPT
   ════════════════════════════════════════════════════════════════ */
.slms-login-prompt { text-align: center; padding: 3rem; }
.slms-login-prompt a { color: var(--lms-primary); }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE UTILITIES
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .slms-topic-nav { flex-direction: column; }
  .slms-topic-nav__btn { max-width: 100%; }
  .slms-topic-nav__btn--next { margin-left: 0; text-align: left; }
  .slms-dashboard-header { flex-direction: column; }
  .slms-community-inner { justify-content: center; text-align: center; }
}

/* ════════════════════════════════════════════════════════════════
   DASHBOARD TOPBAR (new full-width header)
   ════════════════════════════════════════════════════════════════ */
.slms-topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--lms-sidebar-bg); color: #fff;
  padding: .6rem 1.25rem; gap: 1rem; flex-wrap: wrap;
  position: sticky; top: 0; z-index: 200;
  box-shadow: 0 2px 12px rgba(0,0,0,.18);
}
.slms-topbar__left { display: flex; align-items: center; gap: .75rem; }
.slms-topbar__right { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }

.slms-topbar__logo img { display: block; }
.slms-topbar__site-name {
  color: #fff; font-weight: 700; font-size: 1.1rem; text-decoration: none;
}

.slms-topbar__credits-btn {
  display: inline-flex; align-items: center; gap: .35rem;
  background: rgba(245,158,11,.15); border: 1px solid rgba(245,158,11,.3);
  color: var(--lms-warn); border-radius: 20px; padding: .3rem .85rem;
  text-decoration: none; font-size: .82rem; font-weight: 600;
  transition: background var(--lms-transition);
}
.slms-topbar__credits-btn:hover { background: rgba(245,158,11,.25); color: var(--lms-warn); }
.slms-topbar__credits-icon { font-size: .9rem; }
.slms-topbar__credits-label { opacity: .8; }

/* Class button in topbar (replaces select) */
.slms-topbar__class-btn {
  display: inline-flex; align-items: center; gap: .35rem;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25);
  color: #fff; border-radius: 8px; padding: .38rem .85rem;
  font-size: .85rem; font-weight: 600; cursor: pointer;
  transition: background var(--lms-transition); white-space: nowrap;
}
.slms-topbar__class-btn:hover { background: rgba(255,255,255,.22); }
.slms-topbar__class-caret { font-size: .6rem; opacity: .7; margin-left: .1rem; }

.slms-topbar__icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.1); border: none; color: #fff;
  width: 34px; height: 34px; border-radius: 8px; cursor: pointer;
  text-decoration: none; font-size: 1rem; transition: background var(--lms-transition);
}
.slms-topbar__icon-btn:hover { background: rgba(255,255,255,.2); }

.slms-topbar__home-btn {
  display: inline-flex; align-items: center; gap: .3rem;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.85); border-radius: 6px; padding: .35rem .8rem;
  text-decoration: none; font-size: .82rem; font-weight: 500;
  transition: background var(--lms-transition);
}
.slms-topbar__home-btn:hover { background: rgba(255,255,255,.2); color: #fff; }

/* ════════════════════════════════════════════════════════════════
   DASHBOARD BODY & WELCOME
   ════════════════════════════════════════════════════════════════ */
.slms-dashboard { max-width: 100%; margin: 0; padding: 0; }
.slms-dashboard-body { max-width: 1200px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.slms-dashboard-welcome { margin-bottom: 1.25rem; }
.slms-dashboard-welcome h1 { font-size: clamp(1.2rem, 3vw, 1.7rem); font-weight: 800; margin: 0 0 .25rem; }

/* ════════════════════════════════════════════════════════════════
   STATS CARDS GRID
   ════════════════════════════════════════════════════════════════ */
.slms-stats-grid {
  display: grid; gap: 1rem; margin-bottom: 1.75rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .slms-stats-grid { grid-template-columns: repeat(4, 1fr); } }

.slms-stat-card {
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius); padding: 1.1rem 1rem;
  text-align: center; box-shadow: var(--lms-shadow);
  transition: transform var(--lms-transition), box-shadow var(--lms-transition);
}
.slms-stat-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,77,64,.06); }
.slms-stat-card__icon { font-size: 1.6rem; margin-bottom: .4rem; }
.slms-stat-card__value { font-size: 1.8rem; font-weight: 800; color: var(--lms-text); line-height: 1; margin-bottom: .25rem; }
.slms-stat-card__label { font-size: .75rem; color: var(--lms-muted); font-weight: 500; }
.slms-stat-card--credits .slms-stat-card__value { color: var(--lms-warn); }

/* ════════════════════════════════════════════════════════════════
   COURSE SUB-TABS
   ════════════════════════════════════════════════════════════════ */
.slms-course-subtabs {
  display: flex; gap: .5rem; margin-bottom: 1.5rem; flex-wrap: wrap;
}
.slms-course-subtab {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem; border-radius: 20px; font-size: .875rem; font-weight: 600;
  text-decoration: none; color: var(--lms-muted); background: var(--lms-card-bg);
  border: 2px solid var(--lms-border); transition: all var(--lms-transition);
}
.slms-course-subtab:hover { border-color: var(--lms-primary); color: var(--lms-primary); }
.slms-course-subtab--active {
  background: var(--lms-primary); color: #fff; border-color: var(--lms-primary);
}
.slms-course-subtab__count {
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.25); border-radius: 10px;
  font-size: .7rem; font-weight: 700; min-width: 18px; height: 18px; padding: 0 .3rem;
}
.slms-course-subtab:not(.slms-course-subtab--active) .slms-course-subtab__count {
  background: var(--lms-border); color: var(--lms-muted);
}
.slms-course-subtab__class-badge {
  background: rgba(255,255,255,.2); border-radius: 4px;
  font-size: .7rem; padding: .1rem .4rem; font-weight: 600;
}
.slms-course-subtab:not(.slms-course-subtab--active) .slms-course-subtab__class-badge {
  background: var(--lms-primary-light); color: var(--lms-primary);
}

/* ════════════════════════════════════════════════════════════════
   FLOATING ADD NOTE BUTTON & MODAL (Topic page)
   ════════════════════════════════════════════════════════════════ */
.slms-float-note-btn {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 500;
  display: inline-flex; align-items: center; gap: .35rem;
  background: var(--lms-primary); color: #fff; border: none;
  border-radius: 24px; padding: .6rem 1.1rem; font-size: .85rem; font-weight: 700;
  cursor: pointer; box-shadow: 0 4px 16px rgba(0,137,123,.4);
  transition: background var(--lms-transition), transform var(--lms-transition);
}
.slms-float-note-btn:hover { background: var(--lms-primary-dark); transform: translateY(-2px); }

.slms-float-note-modal { position: fixed; inset: 0; z-index: 9000; display: flex; align-items: center; justify-content: center; }
.slms-float-note-modal[hidden] { display: none; }
.slms-float-note-modal__overlay { position: absolute; inset: 0; background: rgba(0,0,0,.45); backdrop-filter: none; -webkit-backdrop-filter: none; }
.slms-float-note-modal__box {
  position: relative; background: var(--lms-card-bg); border-radius: var(--lms-radius);
  width: min(480px, 94vw); box-shadow: var(--lms-shadow-md); overflow: hidden;
}
.slms-float-note-modal__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--lms-border);
}
.slms-float-note-modal__header h4 { margin: 0; font-size: .95rem; font-weight: 700; }
.slms-float-note-modal__close {
  background: none; border: none; cursor: pointer; color: var(--lms-muted);
  font-size: 1rem; padding: .25rem; line-height: 1;
}
.slms-float-note-modal__close:hover { color: var(--lms-text); }
.slms-float-note-modal__textarea {
  width: 100%; border: none; outline: none; padding: 1rem 1.25rem;
  font-size: .9rem; font-family: inherit; resize: vertical; min-height: 120px;
  background: var(--lms-card-bg); color: var(--lms-text);
  border-bottom: 1px solid var(--lms-border);
}
.slms-float-note-modal__footer {
  display: flex; justify-content: flex-end; gap: .5rem;
  padding: .75rem 1.25rem;
}

/* ════════════════════════════════════════════════════════════════
   DARK MODE — overrides via [data-theme="dark"] on .slms-dashboard
   ════════════════════════════════════════════════════════════════ */
.slms-dashboard[data-theme="dark"] {
  --lms-bg:       #00332B;
  --lms-card-bg:  #004D40;
  --lms-border:   rgba(224,242,241,.15);
  --lms-text:     #E0F2F1;
  --lms-muted:    #80CBC4;
  --lms-primary-light: rgba(0,137,123,.2);
  color: var(--lms-text);
  background: var(--lms-bg);
}
.slms-dashboard[data-theme="dark"] .slms-stat-card,
.slms-dashboard[data-theme="dark"] .slms-course-card,
.slms-dashboard[data-theme="dark"] .slms-form-section,
.slms-dashboard[data-theme="dark"] .slms-note-card,
.slms-dashboard[data-theme="dark"] .slms-credit-balance-card {
  background: var(--lms-card-bg); border-color: var(--lms-border);
}
.slms-dashboard[data-theme="dark"] .slms-form-group input,
.slms-dashboard[data-theme="dark"] .slms-form-group select,
.slms-dashboard[data-theme="dark"] .slms-form-group textarea {
  background: rgba(0,77,64,.4); color: var(--lms-text); border-color: var(--lms-border);
}
.slms-dashboard[data-theme="dark"] .slms-select,
.slms-dashboard[data-theme="dark"] .slms-cat-pill,
.slms-dashboard[data-theme="dark"] .slms-course-subtab:not(.slms-course-subtab--active) {
  background: var(--lms-card-bg); color: var(--lms-muted); border-color: var(--lms-border);
}
.slms-dashboard[data-theme="dark"] .slms-course-card__title a { color: var(--lms-text); }
.slms-dashboard[data-theme="dark"] .slms-chapter-toggle { background: var(--lms-card-bg); }
.slms-dashboard[data-theme="dark"] .slms-chapter-topics { background: var(--lms-bg); }
.slms-dashboard[data-theme="dark"] .slms-ob-plan__inner { border-color: var(--lms-border); }
.slms-dashboard[data-theme="dark"] .slms-float-note-modal__box,
.slms-dashboard[data-theme="dark"] .slms-float-note-modal__textarea { background: var(--lms-card-bg); color: var(--lms-text); }
.slms-dashboard[data-theme="dark"] .slms-dashboard-tabs { border-bottom-color: var(--lms-border); }
.slms-dashboard[data-theme="dark"] .slms-ob-plans .slms-ob-plan__inner { background: var(--lms-card-bg); }

/* Responsive topbar */
@media (max-width: 640px) {
  .slms-topbar { padding: .5rem .75rem; }
  .slms-topbar__home-btn span { display: none; }
  .slms-topbar__class-btn { font-size: .75rem; padding: .28rem .6rem; }
  .slms-topbar__credits-label { display: none; }
}

/* ════════════════════════════════════════════════════════════════
   CLASS MODAL (Change Class popup from topbar button)
   ════════════════════════════════════════════════════════════════ */
.slms-class-modal {
  position: fixed; inset: 0; z-index: 9500;
  display: flex; align-items: center; justify-content: center;
}
.slms-class-modal[hidden] { display: none; }
.slms-class-modal__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.55); backdrop-filter: blur(3px);
}
.slms-class-modal__box {
  position: relative; background: var(--lms-card-bg, #fff);
  border-radius: 16px; width: min(400px, 94vw);
  box-shadow: 0 20px 60px rgba(0,0,0,.25); overflow: hidden;
}
.slms-class-modal__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--lms-border, #e5e7eb);
}
.slms-class-modal__header h4 {
  margin: 0; font-size: 1rem; font-weight: 700; flex: 1; text-align: center;
  color: var(--lms-text, #111827);
}
.slms-class-modal__close {
  background: none; border: none; cursor: pointer;
  color: var(--lms-muted, #6b7280); font-size: 1rem; padding: .2rem .4rem;
  border-radius: 4px; transition: color var(--lms-transition), background var(--lms-transition);
  line-height: 1;
}
.slms-class-modal__close:hover { color: var(--lms-text, #111827); background: var(--lms-bg, #f8fafc); }
.slms-class-modal__form {
  padding: 1.4rem 1.5rem; display: flex; flex-direction: column; gap: 1rem;
}
.slms-class-modal__form .slms-form-group label {
  font-size: .85rem; font-weight: 600; color: var(--lms-text, #111827);
  margin-bottom: .3rem; display: block;
}
.slms-class-modal__form .slms-form-group select {
  width: 100%; border: 1px solid var(--lms-border, #e5e7eb); border-radius: 8px;
  padding: .55rem .85rem; font-size: .9rem; background: var(--lms-card-bg, #fff);
  color: var(--lms-text, #111827); cursor: pointer; outline: none;
  transition: border-color var(--lms-transition);
}
.slms-class-modal__form .slms-form-group select:focus { border-color: var(--lms-primary, #00897B); box-shadow: 0 0 0 3px rgba(0,137,123,.1); }
.slms-class-modal__footer {
  display: flex; justify-content: flex-end; gap: .6rem;
  padding: .85rem 1.5rem; border-top: 1px solid var(--lms-border, #e5e7eb);
}

/* Dark mode for class modal */
.slms-dashboard[data-theme="dark"] .slms-class-modal__box { background: var(--lms-card-bg); }
.slms-dashboard[data-theme="dark"] .slms-class-modal__header { border-bottom-color: var(--lms-border); }
.slms-dashboard[data-theme="dark"] .slms-class-modal__footer { border-top-color: var(--lms-border); }
.slms-dashboard[data-theme="dark"] .slms-class-modal__form .slms-form-group select {
  background: var(--lms-bg); color: var(--lms-text); border-color: var(--lms-border);
}
.slms-dashboard[data-theme="dark"] .slms-class-modal__close:hover { background: rgba(255,255,255,.08); }

/* Preview pill — shows "→ Class X · Board Y" dynamically */
.slms-class-modal__preview {
  background: rgba(0,137,123,.08);
  border: 1px solid rgba(0,137,123,.22);
  border-radius: 8px;
  padding: .5rem .85rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--lms-primary, #00897B);
  text-align: center;
}

/* Hint text — shown when Save is disabled */
.slms-class-modal__hint {
  text-align: center;
  font-size: .78rem;
  color: var(--lms-muted, #6b7280);
  margin: 0;
  line-height: 1.4;
}

/* Disabled save button inside modal */
.slms-class-modal .slms-btn--disabled,
.slms-class-modal .slms-btn[disabled] {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
}

/* ════════════════════════════════════════════════════════════════
   SIDEBAR LAYOUT (Part 5 — app-style dashboard redesign)
   ════════════════════════════════════════════════════════════════ */

/* ── Shell: override old max-width layout ── */
.slms-dashboard {
  display: flex; min-height: 100vh; max-width: 100%;
  margin: 0; padding: 0; background: var(--lms-bg);
}
/* Old body wrapper no longer rendered */
.slms-dashboard-body { display: none !important; }

/* ── Sidebar ── */
.slms-sidebar {
  width: 260px; flex-shrink: 0;
  background: var(--lms-sidebar-bg);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0;
  height: 100vh; z-index: 200;
  overflow-y: auto; overflow-x: hidden;
  transition: transform .3s ease;
  border-right: 1px solid rgba(224,242,241,.08);
}
/* Thin scrollbar for sidebar */
.slms-sidebar::-webkit-scrollbar { width: 4px; }
.slms-sidebar::-webkit-scrollbar-thumb { background: rgba(224,242,241,.15); border-radius: 2px; }

/* Brand / Logo */
.slms-sidebar__brand {
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid rgba(224,242,241,.1);
  flex-shrink: 0;
  background: #005C4F;
}
.slms-sidebar__brand img { height: 34px; display: block; max-width: 100%; }
.slms-sidebar__brand-name {
  color: #fff; font-weight: 700; font-size: 1.05rem; text-decoration: none;
  display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* User block */
.slms-sidebar__user {
  display: flex; align-items: center; gap: .75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(224,242,241,.1);
  flex-shrink: 0;
}
.slms-sidebar__avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--lms-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem; flex-shrink: 0;
  text-transform: uppercase;
}
.slms-sidebar__user-info { min-width: 0; flex: 1; }
.slms-sidebar__user-name {
  color: #fff; font-weight: 600; font-size: .875rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.slms-sidebar__user-class {
  color: var(--lms-sidebar-muted); font-size: .73rem; margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Navigation */
.slms-sidebar__nav { padding: 1rem 0; flex: 1; }
.slms-sidebar__section-label {
  display: block; padding: .25rem 1.25rem;
  font-size: .65rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: #80CBC4;
  margin-bottom: .25rem;
}
.slms-sidebar__divider {
  height: 1px; background: rgba(224,242,241,.1);
  margin: .75rem 1.25rem;
}
.slms-sidebar__item {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem 1.25rem; margin: 1px 0 1px 0;
  text-decoration: none; color: var(--lms-sidebar-muted);
  font-size: .875rem; font-weight: 500;
  border-left: 3px solid transparent;
  transition: all .18s ease;
  border-radius: 0 8px 8px 0;
  margin-right: 8px;
}
.slms-sidebar__item:hover {
  color: #E0F2F1; background: rgba(0,137,123,.12);
  border-left-color: rgba(0,137,123,.4);
  text-decoration: none;
  backdrop-filter: blur(4px);
}
.slms-sidebar__item--active {
  color: #E0F2F1; background: rgba(0,137,123,.2);
  border-left-color: #E0F2F1;
  backdrop-filter: blur(4px);
}
.slms-sidebar__item-icon { font-size: 1rem; flex-shrink: 0; width: 20px; text-align: center; }
.slms-sidebar__item-label { flex: 1; }
.slms-sidebar__item--logout:hover {
  color: #FBE9E7 !important;
  background: rgba(230,81,0,.15) !important;
  border-left-color: #E65100 !important;
}

/* Sidebar footer */
.slms-sidebar__footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(224,242,241,.1);
  display: flex; flex-direction: column; gap: .6rem;
  flex-shrink: 0;
}
.slms-sidebar__credits {
  display: flex; align-items: center; gap: .5rem;
  background: rgba(245,158,11,.12); border: 1px solid rgba(245,158,11,.25);
  color: var(--lms-warn); border-radius: 8px; padding: .45rem .85rem;
  font-size: .8rem; font-weight: 600; text-decoration: none;
  transition: background .2s;
}
.slms-sidebar__credits:hover { background: rgba(245,158,11,.22); color: var(--lms-warn); text-decoration: none; }
.slms-sidebar__controls { display: flex; align-items: center; gap: .5rem; }
.slms-sidebar__class-btn {
  flex: 1; display: inline-flex; align-items: center; gap: .35rem;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.85); border-radius: 7px; padding: .38rem .75rem;
  font-size: .78rem; font-weight: 600; cursor: pointer; text-align: left;
  transition: background .2s; white-space: nowrap; overflow: hidden;
  min-width: 0;
}
.slms-sidebar__class-btn:hover { background: rgba(255,255,255,.14); }
.slms-sidebar__dark-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 7px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  color: #fff; cursor: pointer; font-size: .95rem; flex-shrink: 0;
  transition: background .2s;
}
.slms-sidebar__dark-btn:hover { background: rgba(255,255,255,.16); }

/* ── Main content area ── */
.slms-main {
  margin-left: 260px; flex: 1; display: flex;
  flex-direction: column; min-height: 100vh; min-width: 0;
}

/* Mini topbar */
.slms-main-topbar {
  display: flex; align-items: center; gap: 1rem;
  padding: .75rem 1.5rem; background: var(--lms-card-bg);
  border-bottom: 1px solid var(--lms-border);
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
  flex-shrink: 0;
}
.slms-sidebar-toggle {
  display: none; background: none; border: none;
  font-size: 1.25rem; cursor: pointer; color: var(--lms-text);
  padding: .25rem; line-height: 1; flex-shrink: 0;
}
.slms-main-topbar__title {
  flex: 1; font-weight: 700; font-size: 1rem; color: var(--lms-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.slms-main-topbar__actions { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }
.slms-main-topbar__home,
.slms-main-topbar__profile {
  display: inline-flex; align-items: center; gap: .3rem;
  background: var(--lms-bg); border: 1px solid var(--lms-border);
  border-radius: 7px; padding: .35rem .75rem; font-size: .8rem;
  font-weight: 500; color: var(--lms-text); text-decoration: none;
  transition: border-color .2s, color .2s;
}
.slms-main-topbar__home:hover,
.slms-main-topbar__profile:hover {
  border-color: var(--lms-primary); color: var(--lms-primary); text-decoration: none;
}
.slms-main-topbar__profile { padding: .35rem .6rem; }

/* Tab content */
.slms-main-content { padding: 1.5rem 1.5rem 4rem; flex: 1; }

/* ── Mobile overlay sidebar ── */
.slms-sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 199; backdrop-filter: none; -webkit-backdrop-filter: none;
}
@media (max-width: 900px) {
  .slms-sidebar { transform: translateX(-100%); }
  .slms-sidebar--open { transform: translateX(0); }
  .slms-sidebar-overlay.slms-sidebar-overlay--visible { display: block; }
  .slms-main { margin-left: 0; }
  .slms-sidebar-toggle { display: inline-flex; }
  .slms-main-content { padding: 1rem 1rem 4rem; }
  .slms-main-topbar { padding: .65rem 1rem; }
  .slms-main-topbar__home span { display: none; }
}

/* ── Dark mode overrides for new layout ── */
.slms-dashboard[data-theme="dark"] .slms-main-topbar {
  background: var(--lms-card-bg); border-color: var(--lms-border);
}
.slms-dashboard[data-theme="dark"] .slms-main-topbar__title { color: var(--lms-text); }
.slms-dashboard[data-theme="dark"] .slms-main-topbar__home,
.slms-dashboard[data-theme="dark"] .slms-main-topbar__profile {
  background: var(--lms-bg); border-color: var(--lms-border); color: var(--lms-text);
}
.slms-dashboard[data-theme="dark"] .slms-main-content { background: var(--lms-bg); }

/* ════════════════════════════════════════════════════════════════
   DASHBOARD OVERVIEW TAB (tab-dashboard.php)
   ════════════════════════════════════════════════════════════════ */
.slms-tab-dashboard { display: flex; flex-direction: column; gap: 1.5rem; }

/* Welcome banner */
.slms-dash-welcome {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  background: linear-gradient(135deg, #004D40 0%, #00897B 100%);
  border-radius: 16px; padding: 1.5rem 2rem; color: #fff;
}
.slms-dash-welcome h1 {
  margin: 0; font-size: 1.4rem; font-weight: 700; color: #fff;
}
.slms-dash-welcome__sub {
  margin: .35rem 0 0; opacity: .85; font-size: .9rem; color: rgba(255,255,255,.9);
}
.slms-streak-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  background: rgba(255,255,255,.22); border-radius: 20px;
  padding: .3rem .85rem; font-size: .82rem; font-weight: 600; color: #fff;
  white-space: nowrap;
}

/* Two-column insight grid */
.slms-dash-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
}
@media (max-width: 768px) {
  .slms-dash-grid { grid-template-columns: 1fr; }
}

/* Insight cards */
.slms-dash-card {
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: 14px; padding: 1.25rem; display: flex; flex-direction: column; gap: .85rem;
}
.slms-dash-card__header {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
}
.slms-dash-card__header h3 {
  margin: 0; font-size: .95rem; font-weight: 700; color: var(--lms-text);
}
.slms-dash-card__link {
  font-size: .78rem; color: var(--lms-primary); text-decoration: none; white-space: nowrap;
}
.slms-dash-card__link:hover { text-decoration: underline; }

/* Recent courses list */
.slms-dash-course-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .65rem; }
.slms-dash-course-item {
  display: flex; align-items: center; gap: .85rem;
  padding: .65rem; background: var(--lms-bg); border-radius: 10px;
  border: 1px solid var(--lms-border);
}
.slms-dash-course-item__thumb {
  width: 46px; height: 46px; border-radius: 8px; object-fit: cover; flex-shrink: 0;
}
.slms-dash-course-item__thumb--placeholder {
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,137,123,.1); font-size: 1.2rem;
}
.slms-dash-course-item__info { flex: 1; min-width: 0; }
.slms-dash-course-item__title {
  display: block; font-size: .83rem; font-weight: 600; color: var(--lms-text);
  text-decoration: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.slms-dash-course-item__title:hover { color: var(--lms-primary); }
.slms-dash-course-item__meta { font-size: .72rem; color: var(--lms-muted); }

/* Assessment snapshot */
.slms-dash-assessment {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.slms-dash-assessment__stat { display: flex; flex-direction: column; align-items: center; flex: 1; }
.slms-dash-assessment__num { font-size: 1.5rem; font-weight: 700; color: var(--lms-text); line-height: 1; }
.slms-dash-assessment__num.slms-pct--green { color: #10b981; }
.slms-dash-assessment__num.slms-pct--yellow { color: #f59e0b; }
.slms-dash-assessment__num.slms-pct--red { color: #ef4444; }
.slms-dash-assessment__lbl { font-size: .73rem; color: var(--lms-muted); margin-top: .2rem; }
.slms-dash-assessment__gauge { width: 70px; flex-shrink: 0; }
.slms-gauge-svg { width: 100%; height: auto; display: block; color: var(--lms-text); }
.slms-dash-assessment__cta { align-self: flex-start; margin-top: .25rem; }

/* Empty state */
.slms-dash-empty {
  display: flex; flex-direction: column; align-items: center;
  gap: .6rem; padding: 1.5rem; text-align: center;
}
.slms-dash-empty__icon { font-size: 2rem; }
.slms-dash-empty p { margin: 0; color: var(--lms-muted); font-size: .875rem; }

/* Notes strip */
.slms-dash-notes-strip {
  display: flex; align-items: center; gap: .85rem; flex-wrap: wrap;
  background: var(--lms-card-bg); border: 1px solid var(--lms-border);
  border-radius: 12px; padding: .85rem 1.25rem; font-size: .875rem; color: var(--lms-text);
}
.slms-dash-notes-strip__icon { font-size: 1.1rem; }
.slms-dash-notes-strip span:nth-child(2) { flex: 1; }

/* Upgrade CTA banner */
.slms-dash-upgrade {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap;
  background: linear-gradient(135deg, rgba(0,137,123,.1), rgba(0,77,64,.12));
  border: 1px solid rgba(0,137,123,.25);
  border-radius: 14px; padding: 1.25rem 1.5rem;
}
.slms-dash-upgrade__text {
  display: flex; flex-direction: column; gap: .2rem;
}
.slms-dash-upgrade__text strong { font-size: .95rem; color: var(--lms-text); }
.slms-dash-upgrade__text span  { font-size: .82rem; color: var(--lms-muted); }

/* ── Extra button size ── */
.slms-btn--xs {
  padding: .2rem .55rem; font-size: .73rem; border-radius: 5px;
}

/* ════════════════════════════════════════════════════════════════
   ██  LMS REDESIGN  —  Style Guide + Bright Glassmorphism  2025
   Sage mint · Bright white glass · 5-level elevation · Pill UI
   ════════════════════════════════════════════════════════════════ */

/* ── 0. Global: Hide WordPress admin toolbar ──────────────────── */
#wpadminbar {
  display: none !important;
}
html { margin-top: 0 !important; }
html body { margin-top: 0 !important; }
body.admin-bar { margin-top: 0 !important; padding-top: 0 !important; }
body.admin-bar .mas-nav { top: 0 !important; }
body.admin-bar .slms-topbar { top: 0 !important; }
@media screen and (max-width: 600px) {
  body.admin-bar .mas-nav { top: 0 !important; }
}

/* ── 1. Design Tokens — Deep Forest Teal v3.0.0 ─────────────── */
:root {
  /* ─ Primary Brand — ALL dark panels use these ─ */
  --color-primary-dark:   #004D40;
  --color-primary-mid:    #00897B;
  --color-primary-pale:   #E0F2F1;
  --color-primary-deeper: #00332B;

  /* ─ Accent / CTA ─ */
  --color-accent:         #E65100;
  --color-accent-light:   #FBE9E7;

  /* ─ Typography ─ */
  --color-text:           #1A2327;
  --color-text-sub:       #546E7A;
  --color-text-on-dark:   #E0F2F1;
  --color-text-muted-dark:#80CBC4;
  --color-border:         #CFD8DC;
  --color-border-on-dark: rgba(224, 242, 241, 0.15);

  /* ─ Surfaces ─ */
  --color-bg:             #F4F7F6;
  --color-card:           #FFFFFF;

  /* ─ Panels (all teal-based, NO navy) ─ */
  --color-panel-primary:  #004D40;
  --color-panel-mid:      #00564A;
  --color-panel-hover:    #00332B;
  --color-panel-active:   #00897B;

  /* ─ Glassmorphism ─ */
  --color-glass-bg:       rgba(0, 77, 64, 0.25);
  --color-glass-bg-light: rgba(255, 255, 255, 0.07);
  --color-glass-border:   rgba(224, 242, 241, 0.18);
  --color-glass-blur:     18px;

  /* ─ Mapped aliases (backward compat with existing classes) ─ */
  --lms-bg:             #F0F7F5;
  --lms-bg-2:           #E4F0EC;
  --lms-card-bg:        rgba(255,255,255,.82);
  --lms-surface:        #E8F3EF;
  --lms-primary:        #00897B;
  --lms-primary-dark:   #004D40;
  --lms-primary-light:  #E0F2F1;
  --lms-primary-rgb:    0,137,123;
  --lms-accent:         #00897B;
  --lms-accent-dark:    #004D40;
  --lms-warn:           #F5BE4B;
  --lms-danger:         #E65100;
  --lms-text:           #1A2327;
  --lms-muted:          #546E7A;
  --lms-border:         #CFD8DC;

  /* ─ Sidebar — Deep Forest Teal ─ */
  --lms-sidebar-bg:     #004D40;
  --lms-sidebar-text:   #E0F2F1;
  --lms-sidebar-muted:  #80CBC4;
  --lms-sidebar-active: #00897B;
  --lms-sidebar-done:   #00897B;

  /* ─ Dark glassmorphism tokens (teal-tinted) ─ */
  --lms-glass:          rgba(255,255,255,.72);
  --lms-glass-heavy:    rgba(255,255,255,.85);
  --lms-glass-border:   rgba(0,137,123,.2);
  --lms-glass-border-2: rgba(0,137,123,.18);
  --lms-glass-blur:     blur(18px);
  --lms-glass-blur-sm:  blur(12px);

  /* ─ Radius ─ */
  --lms-radius:         12px;
  --lms-radius-sm:      8px;
  --lms-radius-lg:      20px;
  --lms-radius-pill:    999px;

  /* ─ 5-Level Elevation System ─ */
  --lms-shadow-1:       0 1px 3px rgba(0,50,43,.05), 0 1px 2px rgba(0,50,43,.03);
  --lms-shadow-2:       0 4px 12px rgba(0,50,43,.06), 0 2px 4px rgba(0,50,43,.04);
  --lms-shadow-3:       0 8px 24px rgba(0,77,64,.08), 0 4px 8px rgba(0,50,43,.05);
  --lms-shadow-4:       0 16px 40px rgba(0,77,64,.10), 0 8px 16px rgba(0,50,43,.06);
  --lms-shadow-5:       0 32px 64px rgba(0,77,64,.12), 0 16px 32px rgba(0,50,43,.08);
  --lms-shadow:         var(--lms-shadow-2);
  --lms-shadow-md:      var(--lms-shadow-3);
  --lms-shadow-hover:   var(--lms-shadow-4);

  /* ─ Glass inset highlight ─ */
  --lms-glass-inset:    inset 0 1px 0 rgba(255,255,255,.85), inset 0 -1px 0 rgba(0,50,43,.04);

  /* ─ Layout ─ */
  --lms-sidebar-width:  280px;
  --lms-transition:     .2s ease;

  /* ─ Typography ─ */
  --lms-font-head:      'Sora', -apple-system, sans-serif;
  --lms-font-body:      'DM Sans', -apple-system, sans-serif;
}

/* ── 1b. Google Fonts ─────────────────────────────────────────── */
/* @import loaded via PHP enqueue — fallback declaration here */

/* ── 1c. Typography base ─────────────────────────────────────── */
.slms-course-page, .slms-topic-page, .slms-archive-page,
.slms-dashboard, .slms-payment-page, .mas-page {
  font-family: var(--lms-font-body);
}
.slms-course-page h1, .slms-course-page h2, .slms-course-page h3, .slms-course-page h4,
.slms-topic-page h1, .slms-topic-page h2, .slms-topic-page h3, .slms-topic-page h4,
.slms-archive-page h1, .slms-archive-page h2, .slms-archive-page h3,
.slms-dashboard h1, .slms-dashboard h2, .slms-dashboard h3, .slms-dashboard h4,
.slms-payment-page h1, .slms-payment-page h2, .slms-payment-page h3 {
  font-family: var(--lms-font-head);
}

/* ── 2. Page backgrounds — off-white mint ─────────────────────── */
body {
  background: var(--color-bg);
  background-attachment: fixed;
}
.slms-course-page {
  background: linear-gradient(160deg, #E0F2F1 0%, #F4F7F6 35%, #FFFFFF 70%);
  background-attachment: fixed;
}
.slms-topic-page {
  background: #FFFFFF;
  background-attachment: fixed;
}
.slms-archive-page,
.mas-page-body {
  background: linear-gradient(160deg, #E0F2F1 0%, #F4F7F6 40%, #FFFFFF 80%);
  background-attachment: fixed;
}

/* ── 3. COURSE HERO — Deep Forest Teal gradient ──────────────── */
/* ── Course Hero — compact, responsive ──────────────────────── */
.slms-course-hero {
  background: linear-gradient(160deg, #004D40 0%, #005C4F 50%, #00332B 100%);
  background-size: cover;
  background-position: center;
  /* Responsive height: compact on laptop, smaller on tablet/mobile */
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 5vw, 3.5rem);
  min-height: clamp(260px, 38vh, 420px);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
/* Subtle radial blobs */
.slms-course-hero::before {
  content: '';
  position: absolute;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,137,123,.18) 0%, transparent 70%);
  top: -160px; right: -80px; pointer-events: none;
}
.slms-course-hero::after {
  content: '';
  position: absolute;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,137,123,.12) 0%, transparent 70%);
  bottom: -80px; left: 6%; pointer-events: none;
}
/* Overlay for course thumbnail images */
.slms-course-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(0,77,64,.93) 0%, rgba(0,86,74,.87) 50%, rgba(0,51,43,.92) 100%);
}

/* ── Floating educational SVG decorations ───────────────────── */
.slms-hero-svg-bg {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 1;
}
.slms-hero-svg {
  position: absolute;
  animation: slmsHeroFloat 14s ease-in-out infinite;
}
.slms-hero-svg--1 { width: 80px; top: 12%; right: 8%; animation-duration: 12s; animation-delay: 0s; opacity: .7; }
.slms-hero-svg--2 { width: 60px; top: 20%; right: 22%; animation-duration: 16s; animation-delay: -4s; opacity: .5; }
.slms-hero-svg--3 { width: 70px; bottom: 15%; right: 14%; animation-duration: 13s; animation-delay: -7s; opacity: .6; }
.slms-hero-svg--4 { width: 44px; top: 55%; right: 36%; animation-duration: 10s; animation-delay: -2s; opacity: .45; }
.slms-hero-svg--5 { width: 52px; bottom: 20%; right: 40%; animation-duration: 18s; animation-delay: -9s; opacity: .4; }
.slms-hero-svg--6 { width: 46px; top: 8%; right: 48%; animation-duration: 15s; animation-delay: -5s; opacity: .45; }
@keyframes slmsHeroFloat {
  0%   { transform: translateY(0px) rotate(0deg); }
  25%  { transform: translateY(-10px) rotate(3deg); }
  50%  { transform: translateY(-18px) rotate(-2deg); }
  75%  { transform: translateY(-8px) rotate(4deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}
/* Hide SVGs on mobile to reduce clutter */
@media (max-width: 600px) { .slms-hero-svg-bg { display: none; } }

/* ── Hero inner content ──────────────────────────────────────── */
.slms-course-hero__inner {
  position: relative; z-index: 2;
  max-width: 760px;
  width: 100%;
}

/* ── Breadcrumb row ──────────────────────────────────────────── */
.slms-course-hero__breadcrumb {
  display: flex; align-items: center; flex-wrap: wrap; gap: .3rem;
  margin-bottom: .75rem;
  font-size: .75rem;
}
.slms-course-hero__breadcrumb-link {
  display: inline-flex; align-items: center; gap: .3rem;
  color: rgba(224,242,241,.65); text-decoration: none; font-weight: 500;
  transition: color .15s ease;
}
.slms-course-hero__breadcrumb-link:hover { color: #E0F2F1; }
.slms-course-hero__breadcrumb-sep { color: rgba(224,242,241,.35); font-size: .7rem; }
.slms-course-hero__breadcrumb-cat {
  color: rgba(224,242,241,.85); font-weight: 600;
}

/* ── Hero title — tighter on laptop ─────────────────────────── */
.slms-course-hero__title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800; margin: 0 0 .75rem; line-height: 1.2;
  color: #FFFFFF;
  background: none;
  -webkit-text-fill-color: #FFFFFF;
  background-clip: unset;
  font-family: var(--lms-font-head);
}
.slms-course-hero__excerpt {
  font-size: .975rem; color: rgba(224,242,241,.82);
  margin: 0 0 1.25rem; line-height: 1.65; max-width: 580px;
}
.slms-course-hero__meta {
  display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.5rem;
}
.slms-course-hero__meta .slms-badge {
  background: rgba(0,137,123,.2);
  border: 1px solid rgba(224,242,241,.2);
  color: #E0F2F1;
  font-size: .76rem; padding: .28rem .8rem;
  border-radius: var(--lms-radius-pill);
  backdrop-filter: blur(8px);
}
.slms-course-hero__meta .slms-badge--level {
  background: var(--lms-primary);
  color: #fff; border-color: transparent;
  box-shadow: 0 2px 8px rgba(0,137,123,.4);
}
.slms-course-hero .slms-btn--primary {
  background: var(--lms-primary);
  border: none; color: #fff;
  box-shadow: 0 4px 14px rgba(0,137,123,.4);
  padding: .75rem 2rem; font-size: .975rem;
  border-radius: var(--lms-radius-pill);
}
.slms-course-hero .slms-btn--primary:hover {
  background: #009688;
  box-shadow: 0 8px 22px rgba(0,137,123,.5);
  transform: translateY(-2px); color: #fff;
}
.slms-hero-progress { margin-top: 1.1rem; max-width: 300px; }
.slms-hero-progress .slms-progress-bar-wrap {
  background: rgba(224,242,241,.2); height: 5px;
}
.slms-hero-progress .slms-progress-bar { background: var(--lms-primary); }
.slms-hero-progress .slms-progress-label { color: rgba(224,242,241,.7); margin-top: .35rem; font-size: .8rem; }

/* ── Tablet (≤ 900px) ────────────────────────────────────────── */
@media (max-width: 900px) {
  .slms-course-hero { min-height: clamp(220px, 32vh, 340px); }
}
/* ── Mobile (≤ 640px) ────────────────────────────────────────── */
@media (max-width: 640px) {
  .slms-course-hero { min-height: auto; padding: 2rem 0 1.75rem; }
  .slms-course-hero__title { font-size: clamp(1.35rem, 5.5vw, 1.8rem); }
  .slms-course-hero__excerpt { font-size: .9rem; margin-bottom: 1rem; }
  .slms-course-hero__meta { gap: .3rem; margin-bottom: 1.1rem; }
  .slms-course-hero .slms-btn--primary { padding: .65rem 1.6rem; font-size: .9rem; }
}

/* ── 4. Intro Grid (What you'll learn) ──────────────────────── */
.slms-course-intro { padding: 3rem 0 2rem; background: transparent; }
.slms-intro-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 680px)  { .slms-intro-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .slms-intro-grid { grid-template-columns: repeat(4, 1fr); } }

.slms-intro-grid__item {
  background: var(--lms-glass);
  backdrop-filter: var(--lms-glass-blur-sm);
  -webkit-backdrop-filter: var(--lms-glass-blur-sm);
  border: 1px solid var(--lms-glass-border);
  border-radius: var(--lms-radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--lms-shadow-2), var(--lms-glass-inset);
  display: flex; gap: .65rem; align-items: flex-start;
  font-size: .875rem; line-height: 1.5;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.slms-intro-grid__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--lms-shadow-3), var(--lms-glass-inset);
  border-color: rgba(0,137,123,.35);
}
.slms-intro-grid__check {
  color: var(--lms-accent); font-weight: 800; flex-shrink: 0;
  width: 22px; height: 22px;
  background: rgba(0,137,123,.18);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem;
}

/* ── 5. Section titles ──────────────────────────────────────── */
.slms-section-title {
  font-size: 1.55rem; font-weight: 800; color: var(--lms-text);
  margin: 0 0 1.35rem; position: relative; padding-bottom: .65rem;
}
.slms-section-title::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 40px; height: 3px;
  background: var(--lms-primary);
  border-radius: var(--lms-radius-pill);
}
.slms-section-title--sm { font-size: 1.1rem; }
.slms-section-title--sm::after { width: 24px; }

/* ── 6. Curriculum Accordion ────────────────────────────────── */
.slms-curriculum-section { padding: 2.5rem 0 3rem; background: transparent; }
.slms-curriculum {
  border: 1px solid var(--lms-glass-border);
  border-radius: var(--lms-radius-lg);
  overflow: hidden;
  box-shadow: var(--lms-shadow-2), var(--lms-glass-inset);
  background: var(--lms-glass);
  backdrop-filter: var(--lms-glass-blur);
  -webkit-backdrop-filter: var(--lms-glass-blur);
}
.slms-chapter-row { border-bottom: 1px solid var(--lms-border); }
.slms-chapter-row:last-child { border-bottom: none; }
.slms-chapter-toggle {
  background: var(--lms-surface);
  border: none; transition: background .2s ease;
}
.slms-chapter-toggle:hover,
.slms-chapter-row--open .slms-chapter-toggle {
  background: var(--lms-primary-light);
}
.slms-chapter-toggle__title { color: #1A2327; }
.slms-chapter-toggle__progress { color: var(--lms-primary-dark); }
.slms-topic-row:hover { background: var(--lms-primary-light); }
.slms-topic-row--current { background: var(--lms-primary-light); }

/* ── 7. Course Description block ────────────────────────────── */
.slms-course-description { padding: 2.5rem 0; background: transparent; }
.slms-course-description .slms-prose {
  background: var(--lms-glass);
  backdrop-filter: var(--lms-glass-blur);
  -webkit-backdrop-filter: var(--lms-glass-blur);
  border: 1px solid var(--lms-glass-border);
  border-radius: var(--lms-radius-lg);
  padding: 2rem 2.5rem;
  box-shadow: var(--lms-shadow-2), var(--lms-glass-inset);
}

/* ── 8. COURSE CARDS — Bright glassmorphism ──────────────────── */
.slms-course-card {
  background: var(--lms-glass);
  backdrop-filter: var(--lms-glass-blur);
  -webkit-backdrop-filter: var(--lms-glass-blur);
  border: 1px solid var(--lms-glass-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--lms-shadow-2), var(--lms-glass-inset);
  transition: transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s ease, border-color .28s ease;
  display: flex; flex-direction: column;
  position: relative;
}
/* Soft top-line accent — hidden by default, shown on hover */
.slms-course-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, rgba(0,137,123,.3), rgba(0,137,123,.1));
  opacity: 0;
  transition: opacity .25s ease;
  z-index: 1;
}
.slms-course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,77,64,.08), var(--lms-glass-inset);
  border-color: rgba(0,137,123,.25);
}
.slms-course-card:hover::before { opacity: 1; }

/* Thumbnail — compact header */
.slms-course-card__thumb {
  position: relative; aspect-ratio: 2.8/1; overflow: hidden;
  background: var(--lms-primary-light);
  min-height: 80px; max-height: 100px;
}
.slms-course-card__thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.slms-course-card:hover .slms-course-card__thumb img { transform: scale(1.05); }

/* Remove dark vignette */
.slms-course-card__thumb::after { display: none; }

/* Card gradient variants — soft pastel backgrounds */
.slms-course-card__thumb-placeholder {
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; height: 100%;
  background: linear-gradient(135deg, rgba(0,137,123,.15) 0%, rgba(0,137,123,.08) 100%);
  color: rgba(0,137,123,.4);
  position: relative;
  overflow: hidden;
}
/* Decorative watermark pattern inside card header */
.slms-course-card__thumb-placeholder::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 70% 50%, rgba(0,137,123,.08) 0%, transparent 50%),
                    radial-gradient(circle at 30% 30%, rgba(0,137,123,.06) 0%, transparent 40%);
  pointer-events: none;
}
/* Colorful gradient card variants */
.slms-course-card:nth-child(6n+1) .slms-course-card__thumb-placeholder { background: linear-gradient(135deg, #B39DDB 0%, #CE93D8 100%); }
.slms-course-card:nth-child(6n+2) .slms-course-card__thumb-placeholder { background: linear-gradient(135deg, #80CBC4 0%, #4DB6AC 100%); }
.slms-course-card:nth-child(6n+3) .slms-course-card__thumb-placeholder { background: linear-gradient(135deg, #FFD54F 0%, #FFB74D 100%); }
.slms-course-card:nth-child(6n+4) .slms-course-card__thumb-placeholder { background: linear-gradient(135deg, #81D4FA 0%, #4FC3F7 100%); }
.slms-course-card:nth-child(6n+5) .slms-course-card__thumb-placeholder { background: linear-gradient(135deg, #EF9A9A 0%, #F48FB1 100%); }
.slms-course-card:nth-child(6n+6) .slms-course-card__thumb-placeholder { background: linear-gradient(135deg, #A5D6A7 0%, #81C784 100%); }

/* Category badge — pill */
.slms-course-card__cat {
  position: absolute; top: .75rem; left: .75rem; z-index: 2;
  background: var(--lms-primary);
  color: #fff; font-size: .69rem; font-weight: 700;
  padding: .28rem .75rem; border-radius: var(--lms-radius-pill);
  text-transform: uppercase; letter-spacing: .06em;
  box-shadow: 0 2px 8px rgba(0,137,123,.35);
}

/* Card body — compact */
.slms-course-card__body {
  padding: .85rem 1rem .6rem; flex: 1;
  background: transparent;
}
.slms-course-card__title {
  font-size: 1rem; font-weight: 700; margin: 0 0 .5rem; line-height: 1.35;
}
.slms-course-card__title a { color: var(--lms-text); text-decoration: none; }
.slms-course-card__title a:hover { color: var(--lms-primary-dark); }
.slms-course-card__excerpt {
  color: var(--lms-muted); font-size: .78rem;
  margin: 0 0 .5rem; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
/* Meta chips — style guide tag style */
.slms-course-card__meta {
  display: flex; flex-wrap: wrap; gap: .4rem;
  font-size: .75rem; color: var(--lms-muted); margin-bottom: .85rem;
}
.slms-course-card__meta > span {
  display: inline-flex; align-items: center; gap: .3rem;
  background: var(--lms-surface); padding: .22rem .65rem;
  border-radius: var(--lms-radius-pill);
  border: 1px solid var(--lms-border);
}
/* Progress bar */
.slms-course-card__progress { display: flex; align-items: center; gap: .5rem; }
.slms-course-card__progress .slms-progress-bar-wrap {
  flex: 1; background: var(--lms-primary-light); height: 5px;
  border-radius: var(--lms-radius-pill);
}
.slms-course-card__progress .slms-progress-bar { background: var(--lms-primary); }

/* Card footer — compact */
.slms-course-card__footer {
  padding: .6rem 1rem;
  background: rgba(240,247,245,.6);
  border-top: 1px solid rgba(0,137,123,.08);
}
/* CTA buttons — pill shaped, mint */
.slms-course-card__footer .slms-btn--primary {
  background: var(--lms-primary);
  border: none; color: #fff;
  box-shadow: 0 4px 12px rgba(0,137,123,.35);
  justify-content: center;
  border-radius: var(--lms-radius-pill);
}
.slms-course-card__footer .slms-btn--primary:hover {
  background: var(--lms-primary-dark);
  box-shadow: 0 6px 18px rgba(0,137,123,.45);
  transform: translateY(-1px); color: #fff;
}
.slms-course-card__footer .slms-enroll-btn {
  border-color: rgba(0,137,123,.5); color: var(--lms-primary-dark);
  background: var(--lms-primary-light);
  border-radius: var(--lms-radius-pill);
}
.slms-course-card__footer .slms-enroll-btn:hover {
  background: var(--lms-primary); color: #fff; border-color: var(--lms-primary);
}
.slms-course-card__footer .slms-btn--outline {
  border-color: rgba(0,137,123,.45); color: var(--lms-primary-dark);
  background: var(--lms-primary-light);
  border-radius: var(--lms-radius-pill);
}
.slms-course-card__footer .slms-btn--outline:hover {
  background: var(--lms-primary); color: #fff; border-color: var(--lms-primary);
}

/* ── 9. TOPIC PAGE — Layout isolation ────────────────────────── */

/* Defensive: body must be block, not flex (block themes can leak flex to body) */
body.mas-page { display: block !important; }
.mas-page-body { display: block !important; }

/* Hide credits banner on topic page — keep layout clean */
body.single-lms_topic .slms-credits-banner { display: none !important; }

/* Topic page body — pure white, no gradient */
body.single-lms_topic .mas-page-body { background: #FFFFFF !important; padding-top: 0 !important; }

/* Hide footer on topic/lesson pages */
.slms-topic-page ~ .mas-footer { display: none !important; }
body.single-lms_topic .mas-footer { display: none !important; }
body.single-lms_topic footer { display: none !important; }
.mas-page-body .mas-footer { display: none !important; }

/* Footer must always be full-width block — never a flex child */
.mas-footer {
  display: block !important;
  width: 100% !important;
  clear: both;
  flex: none !important;
}

/* The topic page flex container — strictly sidebar + main only */
.slms-topic-page {
  display: flex;
  min-height: 100vh;
  background: #FFFFFF;
  align-items: stretch;
  isolation: isolate;
}

/* Topic sidebar — curriculum drawer */
.slms-topic-sidebar {
  width: 260px;
  background: var(--lms-sidebar-bg);
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  /* Smooth momentum scroll on iOS, custom scrollbar everywhere */
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  scroll-behavior: smooth;
  border-right: 1px solid rgba(224,242,241,.08);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: transform .3s cubic-bezier(.16,1,.3,1);
}
/* Thin custom scrollbar for sidebar */
.slms-topic-sidebar::-webkit-scrollbar { width: 3px; }
.slms-topic-sidebar::-webkit-scrollbar-track { background: transparent; }
.slms-topic-sidebar::-webkit-scrollbar-thumb { background: rgba(224,242,241,.18); border-radius: 3px; }
.slms-topic-sidebar::-webkit-scrollbar-thumb:hover { background: rgba(224,242,241,.35); }

/* Main content area — offset by fixed sidebar */
.slms-topic-main {
  flex: 1;
  min-width: 0;
  max-width: none;
  width: 100%;
  margin-left: 260px;
  margin-right: 0;
  padding: 0;
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left .3s cubic-bezier(.16,1,.3,1), margin-right .3s cubic-bezier(.16,1,.3,1);
}

/* ── Dashboard-style sticky topbar ───────────────────────────── */
.slms-topic-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem 1.5rem;
  background: #ffffff;
  border-bottom: 1px solid var(--lms-border);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  min-height: 52px;
  flex-shrink: 0;
}
.slms-topic-topbar__hamburger {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--lms-muted);
  padding: .4rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .15s ease, color .15s ease;
}
.slms-topic-topbar__hamburger:hover { background: var(--lms-surface); color: var(--lms-text); }
.slms-topic-topbar__title {
  flex: 1;
  font-weight: 600;
  font-size: .95rem;
  color: var(--lms-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.slms-topic-topbar__course-link {
  color: var(--lms-text);
  text-decoration: none;
}
.slms-topic-topbar__course-link:hover { color: var(--lms-primary); }
.slms-topic-topbar__actions {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-shrink: 0;
}
.slms-topic-topbar__btn {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .35rem .75rem;
  border-radius: 8px;
  background: var(--lms-surface);
  border: 1px solid var(--lms-border);
  color: var(--lms-text);
  font-size: .82rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1;
}
.slms-topic-topbar__btn:hover { border-color: var(--lms-primary); color: var(--lms-primary-dark); background: var(--lms-primary-light); }
.slms-topic-topbar__btn--icon { padding: .35rem .55rem; }

/* Scrollable content area below topbar */
.slms-topic-content-area {
  flex: 1;
  padding: 2rem 2.5rem;
}

/* Full-width topic content — no max-width constraint */
.slms-topic-content.slms-prose {
  max-width: 100%;
}

/* Hide breadcrumb on topic pages (redundant with sidebar navigation) */
.slms-topic-main .slms-breadcrumb { display: none; }

/* ── Edge-attached sidebar arrow toggle ──────────────────────── */
.slms-sidebar-edge-toggle {
  position: fixed;
  left: 260px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1001;
  width: 24px;
  height: 48px;
  background: #00564A;
  border: none;
  border-radius: 0 8px 8px 0;
  color: var(--lms-sidebar-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: left .3s cubic-bezier(.16,1,.3,1), background .2s ease, color .2s ease;
  box-shadow: 2px 0 8px rgba(0,50,43,.2);
}
.slms-sidebar-edge-toggle:hover {
  background: var(--lms-primary);
  color: #fff;
}
/* Show close arrow (←) when sidebar is open, open arrow (→) when closed */
.slms-sidebar-edge-toggle__close { display: block; }
.slms-sidebar-edge-toggle__open { display: none; }

/* Desktop collapsed state — sidebar hidden, arrow at left edge */
.slms-sidebar-hidden .slms-topic-sidebar {
  transform: translateX(-100%);
  position: fixed;
  left: 0; top: 0; height: 100vh;
}
.slms-sidebar-hidden .slms-sidebar-edge-toggle {
  left: 0;
}
.slms-sidebar-hidden .slms-sidebar-edge-toggle__close { display: none; }
.slms-sidebar-hidden .slms-sidebar-edge-toggle__open { display: block; }
/* When sidebar is collapsed, main content takes full width */
.slms-sidebar-hidden .slms-topic-main {
  margin-left: 0;
  width: 100%;
}

/* Overlay */
.slms-topic-page .slms-sidebar-overlay {
  position: fixed !important;
  inset: 0; z-index: 990;
  background: rgba(0,0,0,.45);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.slms-sidebar-overlay.slms-overlay--open,
.slms-sidebar-overlay.slms-sidebar-overlay--visible { display: block; }

/* ── 10. Topic Page Interior ────────────────────────────────── */
.slms-topic-title {
  font-size: clamp(1.45rem, 3vw, 2.3rem);
  font-weight: 800; margin: 0 0 .75rem;
  color: #1A2327; line-height: 1.22;
}
/* Mark complete — mint pill button */
.slms-btn--complete {
  background: var(--lms-primary);
  color: #fff; border: none;
  box-shadow: 0 4px 14px rgba(0,137,123,.4);
  padding: .8rem 2.25rem;
  border-radius: var(--lms-radius-pill);
  font-size: 1rem; font-weight: 700;
}
.slms-btn--complete:hover {
  background: var(--lms-primary-dark);
  box-shadow: 0 6px 20px rgba(0,137,123,.5);
  transform: translateY(-2px); color: #fff;
}
.slms-btn--done {
  background: var(--lms-primary-light);
  color: var(--lms-primary-dark);
  border: 1.5px solid rgba(0,137,123,.4);
  cursor: default; box-shadow: none;
  transform: none !important;
  border-radius: var(--lms-radius-pill);
}
/* AI Assessment — mint glass tinted (legacy, kept for compat) */
.slms-ai-assessment-section {
  margin: 2.5rem 0; padding: 1.75rem;
  background: rgba(229,245,239,.75);
  backdrop-filter: var(--lms-glass-blur-sm);
  -webkit-backdrop-filter: var(--lms-glass-blur-sm);
  border: 1px solid rgba(0,137,123,.3);
  border-radius: var(--lms-radius-lg);
  box-shadow: var(--lms-shadow-1), inset 0 1px 0 rgba(255,255,255,.8);
}

/* ── Topic Hero Header ─────────────────────────────────────── */
.slms-topic-hero {
  background: linear-gradient(135deg, #004D40 0%, #00695C 40%, #00897B 100%);
  color: #fff;
  padding: 1.75rem 2rem 1.5rem;
  border-radius: var(--lms-radius-lg);
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}
.slms-topic-hero::before {
  content: '';
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(circle at 85% 20%, rgba(224,242,241,.1) 0%, transparent 60%);
  pointer-events: none;
}
.slms-topic-hero__part {
  display: inline-block;
  background: #f59e0b;
  color: #fff;
  font-size: .7rem; font-weight: 800;
  letter-spacing: .06em;
  padding: .3rem .75rem;
  border-radius: var(--lms-radius-pill);
  margin-bottom: .75rem;
}
.slms-topic-hero__title {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 .85rem;
  color: #fff;
}
.slms-topic-hero__badges {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin-bottom: .85rem;
}
.slms-topic-hero__badge {
  display: inline-flex; align-items: center; gap: .3rem;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  font-size: .75rem; font-weight: 600;
  padding: .3rem .7rem;
  border-radius: var(--lms-radius-pill);
  white-space: nowrap;
}
.slms-topic-hero__lang {
  display: flex; align-items: center; gap: .4rem;
  font-size: .82rem;
  margin-top: .25rem;
  opacity: .9;
}

/* ── Assessment Accordion (fully isolated) ─────────────────── */
.slms-assess-accordion {
  margin-bottom: 1.5rem;
}
.slms-assess-item {
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  margin-bottom: .5rem;
  background: #fff;
  overflow: visible;
}
.slms-assess-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.15rem;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: background .15s ease;
}
.slms-assess-header:hover {
  background: #f8fafc;
}
.slms-assess-header__label {
  font-size: .9rem; font-weight: 600;
  color: #1e293b;
}
.slms-assess-header__arrow {
  font-size: .75rem;
  color: #3b5998;
  transition: transform .25s ease;
  font-weight: 700;
}
.slms-assess-item--open .slms-assess-header {
  background: rgba(59,89,152,.06);
  border-bottom: 1px solid #e2e8f0;
}
.slms-assess-item--open .slms-assess-header__label {
  color: #1a237e;
}
.slms-assess-item--open .slms-assess-header__arrow {
  transform: rotate(180deg);
}

/* Body — clean slate, module CSS/JS gets full control */
.slms-assess-body {
  background: #fff;
  border-radius: 0 0 8px 8px;
  /* Collapse via height, NOT display:none — keeps module JS alive */
  height: 0;
  overflow: hidden;
  visibility: hidden;
  transition: none;
}
.slms-assess-item--open .slms-assess-body {
  height: auto;
  overflow: visible;
  visibility: visible;
}
/* Prev/Next nav */
.slms-topic-nav { border-top: 1px solid rgba(228,228,226,.5); }
.slms-topic-nav__btn {
  background: var(--lms-glass);
  backdrop-filter: var(--lms-glass-blur);
  -webkit-backdrop-filter: var(--lms-glass-blur);
  border: 1px solid var(--lms-glass-border);
  border-radius: var(--lms-radius-lg);
  box-shadow: var(--lms-shadow-2), var(--lms-glass-inset);
  color: var(--lms-text);
  transition: all .22s ease;
}
.slms-topic-nav__btn:hover {
  border-color: rgba(0,137,123,.5);
  color: var(--lms-primary-dark);
  transform: translateY(-4px);
  box-shadow: var(--lms-shadow-3), var(--lms-glass-inset);
  background: rgba(229,245,239,.78);
}

/* ── 11. Sidebar — Deep Forest Teal accents ────────────────── */
.slms-sidebar-header {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(224,242,241,.1);
  background: rgba(0,137,123,.12);
  display: flex;
  align-items: center;
  gap: .75rem;
}
.slms-sidebar-course-label {
  display: block;
  font-size: .65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--lms-sidebar-muted);
  margin-bottom: .15rem;
}
.slms-sidebar-course-title { font-size: .85rem; }
/* Mobile close button — hidden on desktop */
.slms-sidebar-close {
  display: none;
  background: none;
  border: none;
  color: var(--lms-sidebar-muted);
  cursor: pointer;
  padding: .35rem;
  margin-left: auto;
  flex-shrink: 0;
  border-radius: 6px;
  transition: all var(--lms-transition);
}
.slms-sidebar-close:hover { color: #fff; background: rgba(255,255,255,.1); }

.slms-sidebar-back-btns { padding: .6rem .75rem; }
.slms-sidebar-back-btn {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--lms-radius-sm); margin-bottom: .25rem;
  color: var(--lms-sidebar-muted);
}
.slms-sidebar-back-btn:hover {
  background: rgba(0,137,123,.2); border-color: rgba(224,242,241,.2); color: #E0F2F1;
}

/* Take Notes button in sidebar */
.slms-sidebar-notes {
  padding: .5rem .75rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.slms-sidebar-note-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem .75rem;
  background: rgba(0,137,123,.15);
  border: 1px solid rgba(224,242,241,.15);
  border-radius: var(--lms-radius-sm);
  color: #80CBC4;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--lms-transition);
}
.slms-sidebar-note-btn:hover {
  background: rgba(0,137,123,.25);
  border-color: rgba(224,242,241,.25);
  color: #E0F2F1;
}
.slms-sidebar-note-btn svg {
  flex-shrink: 0;
  opacity: .85;
}

.slms-sidebar-progress { padding: .75rem 1rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.slms-sidebar-progress__bar-wrap { background: rgba(255,255,255,.1); border-radius: 3px; }
.slms-sidebar-progress__bar { background: var(--lms-primary); }
.slms-sidebar-chapter-toggle { font-size: .83rem; font-weight: 600; }
.slms-sidebar-topic a {
  padding: .55rem 1rem .55rem 1.75rem; font-size: .8rem;
  border-left: 3px solid transparent;
}
.slms-sidebar-topic--active a {
  color: #E0F2F1;
  background: rgba(0,137,123,.25);
  border-left-color: #E0F2F1;
}
.slms-sidebar-topic--done a { color: rgba(128,203,196,.75); }

/* ── 12. Note Modal (triggered from sidebar) ─────────────── */
/* Hide the old floating note button — notes now in sidebar */
.slms-float-note-btn:not(.slms-sidebar-note-btn) {
  display: none !important;
}
.slms-float-note-modal__box {
  border-radius: var(--lms-radius-lg);
  box-shadow: var(--lms-shadow-4);
  border: 1px solid var(--lms-border);
  background: #FFFFFF;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* ── 13. Share & Community sections ────────────────────────── */
/* share-section duplicate reset (base already defined above) */
.slms-community-strip {
  background: linear-gradient(135deg, #004D40, #00332B);
  margin-top: 2.5rem; border-radius: var(--lms-radius-lg);
  padding: 1.5rem 0; overflow: hidden;
}

/* ── 14. Progress bars — mint green ────────────────────────── */
.slms-progress-bar { background: var(--lms-primary); }
.slms-progress-bar-wrap { background: var(--lms-primary-light); border-radius: var(--lms-radius-pill); }
.slms-progress-bar-wrap--light { background: var(--lms-border); }
.slms-sidebar-progress__bar { background: var(--lms-primary); }

/* ── 15. Mobile responsive overrides ────────────────────────── */
@media (max-width: 768px) {
  .slms-topic-page { flex-direction: column; }

  /* Sidebar as full-height drawer from left */
  .slms-topic-sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    height: 100vh;
    z-index: 995;
    transition: left .3s cubic-bezier(.16,1,.3,1);
    width: min(300px, 88vw);
    box-shadow: none;
  }
  .slms-topic-sidebar.slms-sidebar--open {
    left: 0;
    box-shadow: 4px 0 24px rgba(0,0,0,.25);
  }

  /* Show close button on mobile */
  .slms-sidebar-close { display: block; }

  /* Edge toggle on mobile — starts at left edge, moves with sidebar */
  .slms-sidebar-edge-toggle {
    left: 0;
    width: 28px;
    height: 44px;
    transition: left .3s cubic-bezier(.16,1,.3,1);
  }
  /* Default: show open arrow (sidebar hidden on mobile) */
  .slms-sidebar-edge-toggle__close { display: none; }
  .slms-sidebar-edge-toggle__open { display: block; }
  /* When sidebar is open: move toggle to sidebar edge, show close arrow */
  .slms-topic-sidebar.slms-sidebar--open ~ .slms-sidebar-edge-toggle {
    left: min(300px, 88vw);
  }
  .slms-topic-sidebar.slms-sidebar--open ~ .slms-sidebar-edge-toggle .slms-sidebar-edge-toggle__close { display: block; }
  .slms-topic-sidebar.slms-sidebar--open ~ .slms-sidebar-edge-toggle .slms-sidebar-edge-toggle__open { display: none; }

  /* Overlay */
  .slms-sidebar-overlay.slms-overlay--open,
  .slms-sidebar-overlay.slms-sidebar-overlay--visible { display: block; }

  /* Content area full-width, no margin-left (sidebar is off-screen) */
  .slms-topic-main {
    margin-left: 0 !important;
    padding: 0;
    max-width: none;
    width: 100%;
  }
  .slms-topic-topbar { padding: .5rem .75rem; gap: .5rem; }
  .slms-topic-topbar__btn span { display: none; } /* hide "Home" label on mobile */
  .slms-topic-content-area { padding: 1.25rem 1rem; }
  .slms-topic-content.slms-prose { max-width: 100%; }

  /* Topic hero mobile */
  .slms-topic-hero { padding: 1.25rem 1rem 1rem; border-radius: 0; margin: -1.25rem -1rem 1.25rem; }
  .slms-topic-hero__title { font-size: 1.2rem; }
  .slms-topic-hero__badges { gap: .3rem; }
  .slms-topic-hero__badge { font-size: .68rem; padding: .25rem .55rem; }

  /* Course page mobile — hero handled via clamp() in main rule */
  .slms-course-description .slms-prose { padding: 1.5rem; }
}
@media (max-width: 640px) {
  .slms-intro-grid { grid-template-columns: 1fr; }
  .slms-topic-content-area { padding: 1rem .75rem; }
  .slms-topic-nav { flex-direction: column; }
  .slms-topic-nav__btn { max-width: 100%; }
  .slms-topic-nav__btn--next { margin-left: 0; text-align: left; }
}

/* ── 16. Community strip in topic main ─────────────────────── */
.slms-topic-main .slms-community-strip {
  margin-left: -3rem; margin-right: -3rem;
  border-radius: 0;
}
@media (max-width: 768px) {
  .slms-topic-main .slms-community-strip {
    margin-left: -1.1rem; margin-right: -1.1rem;
  }
}

/* ════════════════════════════════════════════════════════════════
   ██  GLOBAL COMPONENT OVERRIDES — Style Guide Alignment
   Buttons → pills · Tabs → style guide · Badges → pills
   ════════════════════════════════════════════════════════════════ */

/* ── Buttons: ALL pill-shaped ───────────────────────────────── */
.slms-btn {
  border-radius: var(--lms-radius-pill) !important;
}
.slms-btn--primary {
  background: var(--lms-primary); border-color: var(--lms-primary); color: #fff;
  box-shadow: 0 4px 12px rgba(0,137,123,.32);
}
.slms-btn--primary:hover {
  background: var(--lms-primary-dark); border-color: var(--lms-primary-dark); color: #fff;
  box-shadow: 0 6px 18px rgba(0,137,123,.45);
  transform: translateY(-1px);
}
.slms-btn--secondary { background: var(--lms-primary); border-color: var(--lms-primary); color: #fff; }
.slms-btn--secondary:hover { background: var(--lms-primary-dark); color: #fff; }
.slms-btn--outline { border-color: var(--lms-primary); color: var(--lms-primary-dark); background: transparent; }
.slms-btn--outline:hover { background: var(--lms-primary); color: #fff; border-color: var(--lms-primary); }
.slms-btn--ghost { background: transparent; border-color: var(--lms-border); color: var(--lms-muted); }
.slms-btn--ghost:hover { background: var(--lms-surface); }

/* ── Badges: ALL pill-shaped + glass ────────────────────────── */
.slms-badge {
  border-radius: var(--lms-radius-pill);
  background: rgba(255,255,255,.78);
  backdrop-filter: var(--lms-glass-blur-sm);
  -webkit-backdrop-filter: var(--lms-glass-blur-sm);
  color: var(--lms-muted);
  border: 1px solid var(--lms-glass-border); font-size: .78rem;
  padding: .25rem .75rem;
  box-shadow: var(--lms-shadow-1);
}
.slms-badge--level { background: var(--lms-primary); color: #fff; border-color: transparent; box-shadow: 0 2px 8px rgba(0,137,123,.35); }
.slms-badge--cert  { background: #FEF3C7; color: #92400E; border-color: #FDE68A; }
.slms-badge--success { background: var(--lms-primary-light); color: var(--lms-primary-dark); border-color: rgba(0,137,123,.35); }

/* ── TABS — Style Guide: Two variants ──────────────────────── */

/* Variant A: Underline tabs (dashboard, settings) */
.slms-dashboard-tabs {
  border-bottom: 2px solid var(--lms-border);
  gap: 0;
}
.slms-dashboard-tab {
  color: var(--lms-muted); font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  padding: .7rem 1.1rem; border-radius: 0;
  transition: color .18s ease, border-color .18s ease;
}
.slms-dashboard-tab:hover { color: var(--lms-primary-dark); }
.slms-dashboard-tab--active {
  color: var(--lms-primary-dark);
  border-bottom-color: var(--lms-primary);
  font-weight: 600;
}

/* Variant B: Pill tabs (category filter, class switcher) */
.slms-cat-filter-pills { gap: .5rem; }
.slms-cat-pill {
  border-radius: var(--lms-radius-pill);
  border: 1px solid var(--lms-border);
  background: #FFFFFF; color: var(--lms-muted);
  font-weight: 500; padding: .32rem .9rem; font-size: .78rem;
  transition: all .18s ease; cursor: pointer; text-decoration: none;
}
.slms-cat-pill:hover { border-color: var(--lms-primary); color: var(--lms-primary-dark); }
.slms-cat-pill.active {
  background: var(--lms-primary); color: #fff;
  border-color: var(--lms-primary);
  box-shadow: 0 2px 8px rgba(0,137,123,.3);
}

/* ── Archive filter pills ────────────────────────────────────── */
.slms-category-tab {
  border-radius: var(--lms-radius-pill);
  border: 1px solid var(--lms-border); background: #FFFFFF; color: var(--lms-muted);
}
.slms-category-tab.active, .slms-category-tab:hover {
  background: var(--lms-primary); color: #fff; border-color: var(--lms-primary);
}

/* ── Dashboard: teal stats & cards ─────────────────────────── */
.slms-dashboard-credits-badge { background: #004D40; }
.slms-credit-balance-card { background: linear-gradient(135deg, #004D40, #00332B); }

/* ── Plan cards: mint primary ───────────────────────────────── */
.slms-plan-card--featured { border-color: var(--lms-primary); }
.slms-plan-card:hover { border-color: var(--lms-primary); transform: translateY(-3px); }
.slms-plan-card__badge { background: var(--lms-primary); }
.slms-plan-card__price { color: var(--lms-primary-dark); }

/* ── Onboarding: mint accents ───────────────────────────────── */
.slms-onboarding__step--active { background: var(--lms-primary); }
.slms-onboarding__step--done { background: var(--lms-primary); }
.slms-ob-plan input:checked + .slms-ob-plan__inner { border-color: var(--lms-primary); background: var(--lms-primary-light); }
.slms-ob-plan--featured .slms-ob-plan__inner { border-color: rgba(0,137,123,.5); }
.slms-ob-plan__badge { background: var(--lms-primary); }
.slms-ob-plan__price { color: var(--lms-primary-dark); }

/* ── Alerts matching style guide ────────────────────────────── */
.slms-payment-status--success { background: var(--lms-primary-light); color: var(--lms-primary-dark); border-radius: var(--lms-radius-pill); }
.slms-payment-status--error { background: #FEE2E2; color: #991B1B; border-radius: var(--lms-radius-pill); }

/* ── Form inputs: mint focus ────────────────────────────────── */
.slms-form-group input:focus,
.slms-form-group select:focus,
.slms-form-group textarea:focus {
  border-color: var(--lms-primary);
  box-shadow: 0 0 0 3px rgba(0,137,123,.18);
}

/* ── Topbar: Deep Forest Teal ───────────────────────────────── */
.slms-topbar { background: #004D40; }
.slms-topbar__credits-btn { background: rgba(0,137,123,.2); border-color: rgba(224,242,241,.2); color: #80CBC4; }
.slms-topbar__credits-btn:hover { background: rgba(0,137,123,.3); color: #E0F2F1; }

/* ── Exam pills ─────────────────────────────────────────────── */
.slms-exam-pill input:checked + span { background: var(--lms-primary); border-color: var(--lms-primary); }
.slms-exam-pill span:hover { border-color: var(--lms-primary); color: var(--lms-primary-dark); }

/* ── Share buttons ──────────────────────────────────────────── */
/* .slms-share-btn border-radius handled per-variant above */

/* ══════════════════════════════════════════════════════════════
   AI TUTOR — Right-docked panel (symmetric with left sidebar)
   Plugin CSS untouched; scoped to body.single-lms_topic
   ══════════════════════════════════════════════════════════════ */

/* ── FAB → right-edge tab below topbar (desktop) ────────────── */
@media (min-width: 769px) {
  body.single-lms_topic .mas-tutor-container {
    position: fixed !important;
    right: 0 !important;
    top: 52px !important;
    bottom: auto !important;
    left: auto !important;
    transform: none !important;
    z-index: 10001 !important;
    /* "Ask AI Tutor" label pill */
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 0 !important;
  }
  /* Label that appears beside the FAB tab */
  body.single-lms_topic .mas-tutor-container::before {
    content: 'Ask AI Tutor';
    display: block;
    background: linear-gradient(135deg, #004D40, #00897B);
    color: #E0F2F1;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .03em;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    padding: .6rem .35rem;
    border-radius: 0 0 0 8px;
    line-height: 1.2;
    pointer-events: none;
    box-shadow: -2px 2px 12px rgba(0,77,64,.2);
  }
  /* Hide label when panel is open */
  body.single-lms_topic.slms-ai-tutor-open .mas-tutor-container::before {
    display: none !important;
  }
  body.single-lms_topic .mas-tutor-fab {
    width: 44px !important;
    height: 56px !important;
    border-radius: 12px 0 0 12px !important;
    background: linear-gradient(135deg, #004D40, #00897B) !important;
    box-shadow: -2px 2px 12px rgba(0,77,64,.25) !important;
  }
  body.single-lms_topic .mas-tutor-pulse {
    top: -2px !important;
    right: 4px !important;
  }
  /* Hide FAB when panel is open */
  body.single-lms_topic.slms-ai-tutor-open .mas-tutor-fab {
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity .2s ease !important;
  }
}

/* ── Panel → full-height right dock (desktop) ───────────────── */
@media (min-width: 769px) {
  body.single-lms_topic .mas-tutor-panel.mas-tutor-open {
    position: fixed !important;
    top: 52px !important;
    right: 0 !important;
    bottom: 0 !important;
    left: auto !important;
    width: 380px !important;
    height: calc(100vh - 52px) !important;
    max-height: none !important;
    border-radius: 0 !important;
    box-shadow: -4px 0 24px rgba(0,0,0,.10) !important;
    border: none !important;
    border-left: 1px solid #E4E4E2 !important;
    z-index: 10000 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    animation: slmsAiTutorSlideIn .3s cubic-bezier(.16,1,.3,1) !important;
  }
  body.single-lms_topic .mas-tutor-messages  { flex: 1 1 auto !important; min-height: 0 !important; overflow-y: auto !important; }
  body.single-lms_topic .mas-tutor-header    { flex-shrink: 0 !important; background: linear-gradient(135deg, #004D40, #00897B) !important; color: #E0F2F1 !important; }
  body.single-lms_topic .mas-tutor-input-area { flex-shrink: 0 !important; }
  body.single-lms_topic .mas-tutor-suggestions { flex-shrink: 0 !important; }
}
@keyframes slmsAiTutorSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── Content auto-resize when panels open/close ─────────────── */
@media (min-width: 769px) {
  body.slms-ai-tutor-open .slms-topic-main { margin-right: 380px; }
}
body.slms-fullscreen.slms-ai-tutor-open .slms-topic-main { margin-right: 380px; }

/* Mobile — panels slide over content as drawers, no margin shift */
@media (max-width: 768px) {
  body.slms-ai-tutor-open .slms-topic-main { margin-right: 0 !important; }
  /* Mobile FAB: bottom-right circle with label */
  body.single-lms_topic .mas-tutor-container {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    top: auto !important;
    left: auto !important;
    z-index: 10001 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 4px !important;
  }
  body.single-lms_topic .mas-tutor-container::after {
    content: 'Ask AI Tutor';
    font-size: .62rem;
    font-weight: 700;
    color: #004D40;
    background: #E0F2F1;
    padding: .15rem .5rem;
    border-radius: 20px;
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(0,0,0,.12);
  }
  body.single-lms_topic.slms-ai-tutor-open .mas-tutor-container::after { display: none !important; }
  body.single-lms_topic .mas-tutor-fab {
    width: 52px !important;
    height: 52px !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, #004D40, #00897B) !important;
    box-shadow: 0 4px 16px rgba(0,77,64,.4) !important;
  }
}

/* ── Theme colours ──────────────────────────────────────────── */
body.single-lms_topic .mas-tutor-send {
  background: linear-gradient(135deg, var(--lms-primary), var(--lms-primary-dark)) !important;
}
body.single-lms_topic .mas-tutor-chip {
  background: var(--lms-primary-light) !important;
  color: var(--lms-primary-dark) !important;
  border-color: rgba(0,137,123,.3) !important;
}
body.single-lms_topic .mas-tutor-chip:hover {
  background: var(--lms-primary) !important;
  color: #fff !important;
}

/* ═══════════════════════════════════════════════════════════════════
   WHATSAPP OTP PASSWORD RESET
   ═══════════════════════════════════════════════════════════════════ */
.slms-otp-reset {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(224,242,241,.2);
}

.slms-otp-step {
  margin-top: 12px;
}

.slms-otp-msg {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  text-align: center;
}
.slms-otp-msg--success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.slms-otp-msg--error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.mas-auth-forgot-sep {
  margin: 0 6px;
  color: #ccc;
}

#slms-otp-reset-trigger {
  color: #00897B;
  font-weight: 500;
}
#slms-otp-reset-trigger:hover {
  color: #004D40;
}

#slms-otp-back {
  color: #80CBC4;
  font-size: 0.875rem;
}
#slms-otp-back:hover {
  color: #E0F2F1;
}

.slms-otp-resend a {
  color: #80CBC4;
  font-size: 0.85rem;
}
.slms-otp-resend a:hover {
  color: #00897B;
}

/* ════════════════════════════════════════════════════════════════
   ██  FLOATING EDUCATIONAL SVG ELEMENTS — v3.0.0
   Ambient, decorative, pointer-events:none, stroke-only
   ════════════════════════════════════════════════════════════════ */

@keyframes floatUp {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33%      { transform: translateY(-12px) rotate(2deg); }
  66%      { transform: translateY(-6px) rotate(-1deg); }
}
@keyframes floatSide {
  0%, 100% { transform: translateX(0px) rotate(0deg); }
  50%      { transform: translateX(8px) rotate(1.5deg); }
}

.slms-float-el {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  animation: floatUp var(--dur, 8s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}
.slms-float-el--side {
  animation-name: floatSide;
}
.slms-float-el svg {
  stroke: #80CBC4;
  stroke-width: 1.2;
  fill: none;
  opacity: var(--float-opacity, 0.15);
}

/* Float container on pages */
.slms-float-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* ════════════════════════════════════════════════════════════════
   ██  GLASSMORPHISM UTILITY CLASSES — v3.0.0
   ════════════════════════════════════════════════════════════════ */

/* On dark teal backgrounds (sidebars, panels) */
.glass-card-dark {
  background: rgba(0, 137, 123, 0.12);
  backdrop-filter: blur(var(--color-glass-blur));
  -webkit-backdrop-filter: blur(var(--color-glass-blur));
  border: 1px solid var(--color-border-on-dark);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0, 50, 43, 0.4);
}

/* On light page backgrounds (course cards, content area) */
.glass-card-light {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 137, 123, 0.12);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 77, 64, 0.06);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.glass-card-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 77, 64, 0.08);
  border-color: rgba(0, 137, 123, 0.2);
}

/* Gradient overlays for course cards (no images) */
.course-card-gradient {
  background: linear-gradient(135deg, #004D40 0%, #00897B 60%, #1D9E75 100%);
}

/* ════════════════════════════════════════════════════════════════
   ██  AI TUTOR PANEL — Deep Forest Teal v3.0.0
   ════════════════════════════════════════════════════════════════ */

/* AI bot avatar pulse animation */
@keyframes aiPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,137,123,0.4); }
  50%     { box-shadow: 0 0 0 8px rgba(0,137,123,0); }
}
.slms-ai-avatar {
  animation: aiPulse 2.5s ease-in-out infinite;
  border-radius: 50%;
  background: linear-gradient(135deg, #004D40, #00897B);
}

/* AI Tutor panel background — white with floating SVGs */
body.single-lms_topic .mas-tutor-panel {
  background: #FFFFFF !important;
  position: relative;
}
body.single-lms_topic .mas-tutor-panel .mas-tutor-messages {
  background: #FFFFFF !important;
  position: relative;
}
/* Floating SVG decorations inside AI tutor */
body.single-lms_topic .mas-tutor-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(0,137,123,.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(0,137,123,.03) 0%, transparent 35%),
    radial-gradient(circle at 50% 90%, rgba(0,137,123,.03) 0%, transparent 30%);
  pointer-events: none;
  z-index: 0;
}

/* Chat bubbles — on white bg */
.slms-ai-bubble--bot {
  background: rgba(0,137,123,.08);
  border: 1px solid rgba(0,137,123,.15);
  color: #1A2327;
  border-radius: 12px 12px 12px 4px;
}
.slms-ai-bubble--user {
  background: rgba(0,137,123,.15);
  color: #1A2327;
  border-radius: 12px 12px 4px 12px;
}

/* AI Tutor input area */
.slms-ai-input-area {
  background: #F0F7F5;
  border-top: 1px solid rgba(0,137,123,.1);
}

/* ════════════════════════════════════════════════════════════════
   ██  AUTH FORM BUG FIXES — v3.0.0
   ════════════════════════════════════════════════════════════════ */

/* Fix: Forgot password / Reset links overlapping Sign In button */
.mas-auth-form #loginform {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mas-auth-forgot {
  order: 5;
  display: flex;
  justify-content: flex-end;
  margin-top: -8px;
  margin-bottom: 4px;
}
.mas-auth-form #loginform .submit {
  order: 10;
  margin-top: 8px;
}

/* Fix: Consistent input heights + VISIBLE TEXT across login AND register pages */
.mas-auth-form input[type="text"],
.mas-auth-form input[type="email"],
.mas-auth-form input[type="tel"],
.mas-auth-form input[type="password"],
.mas-auth-form .mas-input {
  height: 48px !important;
  padding: 12px 16px !important;
  font-size: 15px !important;
  font-weight: 500 !important;
  line-height: 1.5 !important;
  border: 1px solid rgba(224,242,241,.25) !important;
  border-radius: 10px !important;
  background: rgba(255,255,255,.92) !important;
  color: #1A2327 !important;
  width: 100% !important;
  box-sizing: border-box !important;
}
.mas-auth-form input:focus,
.mas-auth-form .mas-input:focus {
  border-color: #00897B !important;
  box-shadow: 0 0 0 3px rgba(0,137,123,.25) !important;
  background: #FFFFFF !important;
}
.mas-auth-form input::placeholder {
  color: #90A4AE !important;
}

/* Auth form container — never constrain height */
.mas-auth-card {
  height: auto !important;
  min-height: auto !important;
}

/* ════════════════════════════════════════════════════════════════
   ██  MOBILE SIDEBAR FIXES — v3.0.0
   ════════════════════════════════════════════════════════════════ */

/* z-index hierarchy: Header 200 > Sidebar 1000 > Overlay 999 */
@media (max-width: 900px) {
  .slms-sidebar {
    z-index: 1000 !important;
    height: 100vh;
    top: 0;
  }
  .slms-sidebar-overlay {
    z-index: 999 !important;
  }
  .slms-sidebar-overlay.slms-sidebar-overlay--visible {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,20,17,0.6);
    backdrop-filter: blur(2px);
  }
  .slms-main { margin-left: 0; }
  /* Footer stays in normal document flow */
  .mas-footer { position: static !important; }
}

@media (max-width: 768px) {
  .slms-topic-sidebar {
    z-index: 1000 !important;
    top: 0;
    height: 100vh;
  }
}

/* ═══════════════════════════════════════════════════════════════════
   STUDENT ASSIGNMENTS TAB
   ═══════════════════════════════════════════════════════════════════ */

.slms-filter-pills {
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.slms-filter-pill {
    padding: 6px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    background: #fff;
    font-size: 13px;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all 0.15s;
}

.slms-filter-pill:hover {
    border-color: #004D40;
    color: #004D40;
}

.slms-filter-pill--active {
    background: #004D40;
    color: #fff;
    border-color: #004D40;
}

.slms-assign-student-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
    transition: all 0.15s;
}