/* ==========================================================================
   English Mastery Hub — Uniform Course Dashboard Design System
   Universal stylesheet for course hubs, level dashboards, and skill portals.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Geist+Mono:wght@500;600;700&display=swap');

:root {
  /* Dark Theme Tokens (Default) */
  --emh-bg: #090D16;
  --emh-bg-surface: #0f1523;
  --emh-bg-card: rgba(255, 255, 255, 0.035);
  --emh-bg-card-hover: rgba(255, 255, 255, 0.07);
  --emh-bg-elevated: #1a2234;
  --emh-bg-glass: rgba(15, 21, 35, 0.85);
  
  --emh-border: rgba(255, 255, 255, 0.08);
  --emh-border-hover: rgba(56, 189, 248, 0.35);
  --emh-border-subtle: rgba(255, 255, 255, 0.05);

  --emh-text-main: #F8FAFC;
  --emh-text-muted: #94A3B8;
  --emh-text-faint: #64748B;

  --emh-brand: #38BDF8;
  --emh-brand-hover: #0284C7;
  --emh-brand-glow: rgba(56, 189, 248, 0.2);

  /* Skill Specific Accent Colors (TID Standardized) */
  --skill-listening: #FB7185;
  --skill-listening-bg: rgba(251, 113, 133, 0.12);
  --skill-listening-border: rgba(251, 113, 133, 0.3);

  --skill-reading: #38BDF8;
  --skill-reading-bg: rgba(56, 189, 248, 0.12);
  --skill-reading-border: rgba(56, 189, 248, 0.3);

  --skill-speaking: #A855F7;
  --skill-speaking-bg: rgba(168, 85, 247, 0.12);
  --skill-speaking-border: rgba(168, 85, 247, 0.3);

  --skill-writing: #6366F1;
  --skill-writing-bg: rgba(99, 102, 241, 0.12);
  --skill-writing-border: rgba(99, 102, 241, 0.3);

  --skill-grammar: #10B981;
  --skill-grammar-bg: rgba(16, 185, 129, 0.12);
  --skill-grammar-border: rgba(16, 185, 129, 0.3);

  --skill-review: #F59E0B;
  --skill-review-bg: rgba(245, 158, 11, 0.12);
  --skill-review-border: rgba(245, 158, 11, 0.3);

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Geist Mono', monospace;

  --transition-smooth: all 0.25s cubic-bezier(0.32, 0.72, 0, 1);
}

/* Light Theme Tokens */
[data-theme="light"],
body.light-theme {
  --emh-bg: #F8FAFC;
  --emh-bg-surface: #FFFFFF;
  --emh-bg-card: rgba(255, 255, 255, 0.95);
  --emh-bg-card-hover: #FFFFFF;
  --emh-bg-elevated: #F1F5F9;
  --emh-bg-glass: rgba(255, 255, 255, 0.9);
  
  --emh-border: #E2E8F0;
  --emh-border-hover: #38BDF8;
  --emh-border-subtle: #F1F5F9;

  --emh-text-main: #0F172A;
  --emh-text-muted: #475569;
  --emh-text-faint: #94A3B8;

  --emh-brand: #0284C7;
  --emh-brand-hover: #0369A1;

  --skill-listening: #E11D48;
  --skill-reading: #0284C7;
  --skill-speaking: #7E22CE;
  --skill-writing: #4338CA;
  --skill-grammar: #047857;
  --skill-review: #B45309;
}

/* Base resets for container */
.emh-dashboard-container {
  font-family: var(--font-main);
  background-color: var(--emh-bg);
  color: var(--emh-text-main);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   1. UNIFIED TOP NAVIGATION BAR
   ========================================================================== */
.emh-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--emh-bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--emh-border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition-smooth);
}

.emh-nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.emh-brand-badge {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0284C7, #6366F1);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.02em;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.emh-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--emh-text-muted);
}

.emh-breadcrumb a {
  color: var(--emh-text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.emh-breadcrumb a:hover {
  color: var(--emh-text-main);
}

.emh-breadcrumb-sep {
  color: var(--emh-text-faint);
  font-size: 11px;
}

.emh-breadcrumb-current {
  color: var(--emh-brand);
  font-weight: 600;
}

.emh-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.emh-btn-portal {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #0284c7, #4f46e5);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 8px;
  text-decoration: none;
  border: none;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
  transition: var(--transition-smooth);
}

.emh-btn-portal:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.emh-btn-theme {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--emh-bg-card);
  border: 1px solid var(--emh-border);
  color: var(--emh-text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.emh-btn-theme:hover {
  color: var(--emh-text-main);
  border-color: var(--emh-border-hover);
  transform: translateY(-1px);
}

/* ==========================================================================
   2. STANDARDIZED COURSE HERO BANNER
   ========================================================================== */
.emh-hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 24px 24px 24px;
  width: 100%;
}

.emh-hero-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.emh-level-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--emh-brand);
}

.emh-course-title {
  font-size: 32px;
  line-height: 38px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 10px 0;
  color: var(--emh-text-main);
}

.emh-course-desc {
  font-size: 15px;
  line-height: 24px;
  color: var(--emh-text-muted);
  max-width: 760px;
  margin: 0 0 20px 0;
}

.emh-stats-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.emh-stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--emh-bg-surface);
  border: 1px solid var(--emh-border);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--emh-text-muted);
}

.emh-stat-chip strong {
  color: var(--emh-text-main);
  font-weight: 700;
}

/* ==========================================================================
   3. TID-ALIGNED MATERIALS TOOLBAR
   ========================================================================== */
.emh-main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 60px 24px;
  width: 100%;
  flex: 1;
}

.emh-toolbar {
  background: var(--emh-bg-surface);
  border: 1px solid var(--emh-border);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.emh-search-wrapper {
  position: relative;
  width: 100%;
}

.emh-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--emh-text-faint);
  font-size: 14px;
  pointer-events: none;
}

.emh-search-input {
  width: 100%;
  background: var(--emh-bg-elevated);
  border: 1px solid var(--emh-border);
  border-radius: 10px;
  padding: 10px 14px 10px 38px;
  color: var(--emh-text-main);
  font-family: var(--font-main);
  font-size: 14px;
  box-sizing: border-box;
  transition: var(--transition-smooth);
}

.emh-search-input:focus {
  outline: none;
  border-color: var(--emh-brand);
  background: var(--emh-bg);
}

.emh-toolbar-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.emh-skill-filters {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.emh-filter-btn {
  background: var(--emh-bg-elevated);
  border: 1px solid var(--emh-border);
  color: var(--emh-text-muted);
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 9999px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.emh-filter-btn:hover {
  color: var(--emh-text-main);
  border-color: var(--emh-border-hover);
}

.emh-filter-btn.active {
  background: var(--emh-brand);
  color: #000000;
  border-color: var(--emh-brand);
  font-weight: 700;
}

.emh-action-btns {
  display: flex;
  align-items: center;
  gap: 8px;
}

.emh-tool-btn {
  background: var(--emh-bg-elevated);
  border: 1px solid var(--emh-border);
  color: var(--emh-text-muted);
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.emh-tool-btn:hover {
  color: var(--emh-text-main);
  border-color: var(--emh-border-hover);
}

/* ==========================================================================
   4. SKILL FOLDERS & ACCORDIONS (TID HIERARCHY)
   ========================================================================== */
.emh-folders-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.emh-skill-folder {
  background: var(--emh-bg-surface);
  border: 1px solid var(--emh-border);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.emh-folder-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  background: var(--emh-bg-surface);
  transition: background 0.2s;
}

.emh-folder-header:hover {
  background: var(--emh-bg-elevated);
}

.emh-folder-title-box {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.emh-skill-pill {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.emh-skill-listening {
  color: var(--skill-listening);
  background: var(--skill-listening-bg);
  border: 1px solid var(--skill-listening-border);
}

.emh-skill-reading {
  color: var(--skill-reading);
  background: var(--skill-reading-bg);
  border: 1px solid var(--skill-reading-border);
}

.emh-skill-speaking {
  color: var(--skill-speaking);
  background: var(--skill-speaking-bg);
  border: 1px solid var(--skill-speaking-border);
}

.emh-skill-writing {
  color: var(--skill-writing);
  background: var(--skill-writing-bg);
  border: 1px solid var(--skill-writing-border);
}

.emh-skill-grammar {
  color: var(--skill-grammar);
  background: var(--skill-grammar-bg);
  border: 1px solid var(--skill-grammar-border);
}

.emh-skill-review {
  color: var(--skill-review);
  background: var(--skill-review-bg);
  border: 1px solid var(--skill-review-border);
}

.emh-folder-name {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  color: var(--emh-text-main);
}

.emh-folder-count {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--emh-text-faint);
  background: var(--emh-bg-elevated);
  border: 1px solid var(--emh-border);
  padding: 2px 8px;
  border-radius: 9999px;
}

.emh-folder-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--emh-text-muted);
}

.emh-folder-arrow {
  transition: transform 0.25s ease;
}

.emh-skill-folder.is-collapsed .emh-folder-arrow {
  transform: rotate(-90deg);
}

.emh-skill-folder.is-collapsed .emh-folder-body {
  display: none;
}

.emh-folder-body {
  padding: 16px 20px 20px 20px;
  border-top: 1px solid var(--emh-border-subtle);
}

/* ==========================================================================
   5. MATERIAL CARDS GRID
   ========================================================================== */
.emh-materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.emh-card {
  background: var(--emh-bg-elevated);
  border: 1px solid var(--emh-border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  text-decoration: none;
  color: var(--emh-text-main);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.emh-card:hover {
  transform: translateY(-3px);
  border-color: var(--emh-border-hover);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.emh-card-top {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.emh-card-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.emh-module-tag {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--emh-brand);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 2px 6px;
  border-radius: 4px;
}

.emh-card-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  margin: 0;
  color: var(--emh-text-main);
}

.emh-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--emh-text-muted);
  padding-top: 10px;
  border-top: 1px solid var(--emh-border-subtle);
}

.emh-action-link {
  font-weight: 600;
  color: var(--emh-brand);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.emh-card:hover .emh-action-link {
  text-decoration: underline;
}

/* Empty search state */
.emh-empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--emh-text-muted);
  font-size: 14px;
  border: 1px dashed var(--emh-border);
  border-radius: 12px;
  margin: 20px 0;
}

/* Footer */
.emh-footer {
  border-top: 1px solid var(--emh-border);
  padding: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--emh-text-faint);
  background: var(--emh-bg-surface);
}

/* ==========================================================================
   MOBILE & TOUCH OPTIMIZATION (IOS/ANDROID RESPONSIVE ARCHITECTURE)
   ========================================================================== */
@media (max-width: 768px) {
  .emh-navbar {
    padding: 10px 14px;
    gap: 8px;
  }

  .emh-nav-left {
    gap: 8px;
    min-width: 0;
    flex: 1;
  }

  .emh-breadcrumb {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    font-size: 11px;
    padding-right: 4px;
  }

  .emh-breadcrumb::-webkit-scrollbar {
    display: none;
  }

  .emh-nav-right {
    gap: 6px;
    flex-shrink: 0;
  }

  .emh-btn-portal {
    padding: 6px 10px;
    font-size: 12px;
  }

  .emh-btn-theme {
    padding: 6px 10px;
  }

  .emh-btn-theme .theme-toggle-text {
    display: none;
  }

  .emh-hero {
    padding: 20px 14px 14px 14px;
  }

  .emh-course-title {
    font-size: 22px;
    line-height: 28px;
  }

  .emh-course-desc {
    font-size: 13px;
    line-height: 20px;
    margin-bottom: 16px;
  }

  .emh-stats-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    width: 100%;
  }

  .emh-stat-chip {
    font-size: 11px;
    padding: 6px 8px;
    justify-content: center;
    text-align: center;
    white-space: normal;
  }

  .emh-main-content {
    padding: 0 14px 40px 14px;
  }

  .emh-toolbar {
    margin-bottom: 20px;
    gap: 12px;
  }

  /* Prevent iOS Safari auto-zoom on input focus */
  .emh-search-input {
    font-size: 16px;
    padding: 10px 14px 10px 38px;
  }

  .emh-search-icon {
    left: 12px;
    font-size: 14px;
  }

  .emh-toolbar-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .emh-skill-filters {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
    gap: 6px;
  }

  .emh-skill-filters::-webkit-scrollbar {
    display: none;
  }

  .emh-filter-btn {
    flex-shrink: 0;
    font-size: 12px;
    padding: 6px 12px;
    min-height: 36px;
  }

  .emh-action-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
  }

  .emh-tool-btn {
    justify-content: center;
    padding: 8px 12px;
    font-size: 12px;
    min-height: 38px;
  }

  .emh-folders-container {
    gap: 14px;
  }

  .emh-skill-folder {
    border-radius: 12px;
  }

  .emh-folder-header {
    padding: 12px 14px;
  }

  .emh-folder-title-box {
    gap: 6px;
  }

  .emh-folder-name {
    font-size: 14px;
    line-height: 18px;
  }

  .emh-folder-content {
    padding: 12px;
  }

  .emh-materials-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .emh-card {
    padding: 14px;
    min-height: 48px;
    border-radius: 10px;
  }

  .emh-card-title {
    font-size: 14px;
    line-height: 19px;
  }

  /* Touch feedback */
  .emh-card:active,
  .emh-tool-btn:active,
  .emh-filter-btn:active,
  .emh-btn-portal:active,
  .emh-btn-theme:active {
    transform: scale(0.97);
    transition-duration: 0.1s;
  }
}

@media (max-width: 420px) {
  .emh-hero-badge-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .emh-stats-strip {
    grid-template-columns: 1fr;
  }

  .emh-breadcrumb-current {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    vertical-align: bottom;
  }
}

/* ==========================================================================
   English Mastery Hub — All-in-One Module Grid & Cards Design System
   ========================================================================== */

/* View Mode Segmented Switcher */
.emh-view-segmented {
  display: inline-flex;
  background-color: var(--emh-bg-elevated);
  border: 1px solid var(--emh-border);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}

.emh-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--emh-text-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s var(--transition-smooth);
}

.emh-view-btn:hover {
  color: var(--emh-text-main);
}

.emh-view-btn.active {
  background-color: var(--emh-bg-surface);
  color: var(--emh-brand);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Modules Grid Container */
.emh-modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 20px;
  margin-top: 10px;
}

/* Unified Module Card */
.emh-module-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--emh-bg-card);
  border: 1px solid var(--emh-border);
  border-radius: 14px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.emh-module-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--emh-brand), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.emh-module-card:hover {
  transform: translateY(-4px);
  background-color: var(--emh-bg-card-hover);
  border-color: var(--emh-border-hover);
  box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.3);
}

.emh-module-card:hover::before {
  opacity: 1;
}

.emh-mod-card-top {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.emh-mod-card-badge-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.emh-mod-number-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 6px;
  background-color: rgba(56, 189, 248, 0.12);
  color: var(--emh-brand);
  border: 1px solid rgba(56, 189, 248, 0.25);
  text-transform: uppercase;
}

.emh-mod-level-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--emh-text-faint);
}

.emh-mod-card-title {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--emh-text-main);
  margin: 0;
}

.emh-mod-card-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--emh-text-muted);
  margin: 0;
}

/* Skills Strip in Card */
.emh-mod-skills-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 14px 0;
  padding-top: 12px;
  border-top: 1px solid var(--emh-border-subtle);
}

.emh-mod-skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  background-color: var(--emh-bg-elevated);
  color: var(--emh-text-muted);
  border: 1px solid var(--emh-border);
}

.emh-mod-skill-badge.has-items {
  color: var(--emh-text-main);
}

.emh-mod-skill-badge.badge-reading.has-items {
  border-color: var(--skill-reading-border);
  background-color: var(--skill-reading-bg);
  color: var(--skill-reading);
}

.emh-mod-skill-badge.badge-grammar.has-items {
  border-color: var(--skill-grammar-border);
  background-color: var(--skill-grammar-bg);
  color: var(--skill-grammar);
}

.emh-mod-skill-badge.badge-writing.has-items {
  border-color: var(--skill-writing-border);
  background-color: var(--skill-writing-bg);
  color: var(--skill-writing);
}

.emh-mod-skill-badge.badge-review.has-items {
  border-color: var(--skill-review-border);
  background-color: var(--skill-review-bg);
  color: var(--skill-review);
}

.emh-mod-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--emh-border-subtle);
}

.emh-mod-action-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--emh-brand);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: transform 0.2s ease;
}

.emh-module-card:hover .emh-mod-action-label {
  transform: translateX(4px);
}

/* Course Milestones & Additional Reference Container */
.emh-references-section {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--emh-border);
}

.emh-ref-header {
  margin-bottom: 16px;
}

.emh-ref-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--emh-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}