:root {
  --primary-navy: #063B5C;
  --dark-navy: #062F49;
  --accent-teal: #159A96;
  --light-teal: #E8F6F5;
  --bg-page: #F7F8FA;
  --card-bg: #FFFFFF;
  --text-primary: #17324D;
  --text-secondary: #718096;
  --border-color: #E5E9ED;
  --gold-accent: #F2B233;
  --status-green: #10B981;
  --status-green-bg: #ECFDF5;
  --dark-teal-btn: #064B47;
  --warm-quote-bg: #F0F4F8;
}

/* GLOBAL RESET & CONFLICT OVERRIDES */
*, *::before, *::after {
  box-sizing: border-box;
}

img, video, iframe, svg {
  max-width: 100%;
  height: auto;
}

button, input, textarea, select {
  max-width: 100%;
}

body:has(.main-learning-layout),
body:has(.lesson-page),
body:has(.full-width-page) {
  display: block !important;
  background-color: var(--bg-page) !important;
}

.app-container.full-width-page,
.app-container:has(.main-learning-layout),
.app-container:has(.lesson-page),
body:has(.lesson-page) .app-container {
  max-width: 100% !important;
  width: 100% !important;
  margin: 0 !important;
  box-shadow: none !important;
  background-color: var(--bg-page) !important;
}

.lesson-page {
  width: 100%;
  min-height: 100vh;
  padding: 0 0 80px;
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  box-sizing: border-box;
}

/* =========================================================
   MAIN 3-COLUMN DESKTOP GRID LAYOUT
   ========================================================= */
.main-learning-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 300px;
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  align-items: start;
  width: 100%;
  box-sizing: border-box;
}

/* =========================================================
   1. LEFT SIDEBAR PANEL (260px)
   ========================================================= */
.left-sidebar-panel {
  grid-column: 1;
  width: 100%;
  box-sizing: border-box;
}

.sidebar-mobile-head {
  display: none;
}

.sidebar-card {
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(6, 59, 92, 0.03);
  position: sticky;
  top: 88px;
  box-sizing: border-box;
}

.sidebar-block-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.sidebar-progress-block {
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
}

.progress-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.progress-track {
  flex: 1;
  height: 8px;
  background: var(--border-color);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  display: block;
  height: 100%;
  background: var(--accent-teal);
  border-radius: inherit;
}

.progress-percent-num {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  flex: 0 0 auto;
}

.progress-subtext {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.curriculum-items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.curriculum-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.curriculum-row.active {
  background: var(--light-teal);
  border: 1px solid var(--accent-teal);
}

.curriculum-row.completed:hover {
  background: var(--bg-page);
}

.left-check {
  color: var(--text-secondary);
  font-size: 11px;
  flex: 0 0 14px;
}

.left-check.muted {
  opacity: 0.4;
}

.row-copy {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.row-copy small {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 2px;
}

.row-copy strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  white-space: normal;
  word-wrap: break-word;
}

.right-indicator {
  flex: 0 0 24px;
}

.right-indicator.check-filled {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-teal);
  color: #FFFFFF;
  display: grid;
  place-items: center;
  font-size: 11px;
}

.right-indicator.active-ring {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--accent-teal);
  color: var(--accent-teal);
  display: grid;
  place-items: center;
  font-size: 10px;
}

.right-indicator.lock-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: grid;
  place-items: center;
  font-size: 11px;
}

/* =========================================================
   2. MAIN CONTENT PANEL (MIDDLE COLUMN - MINMAX(0, 1FR))
   ========================================================= */
.main-content-panel {
  grid-column: 2;
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

/* Top Breadcrumb */
.lesson-header-breadcrumb {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.breadcrumb-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
}

.breadcrumb-back-btn i {
  color: var(--text-primary);
}

.mobile-curriculum-toggle {
  display: none;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--accent-teal);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

/* Material Tabs Bar */
.material-tabs-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  width: 100%;
}

.tab-btn {
  flex: 1 1 100px;
  min-width: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  border-color: var(--accent-teal);
}

.tab-btn.active {
  background: var(--card-bg);
  border-color: var(--accent-teal);
  border-bottom: 3px solid var(--accent-teal);
  color: var(--accent-teal);
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(21, 154, 150, 0.08);
}

/* Main Article Card */
.materi-main-card {
  padding: 24px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(6, 59, 92, 0.03);
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.ringkasan-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-teal);
}

.materi-heading {
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.materi-body p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-primary);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.mat-content {
  display: none;
}

.mat-content.active {
  display: block;
}

/* Warm Quote Card */
.quote-card-container {
  position: relative;
  margin: 24px 0 10px;
  padding: 24px;
  border-radius: 14px;
  background: var(--warm-quote-bg);
  border: 1px solid #E2E8F0;
  text-align: center;
}

.quote-arabic {
  font-family: 'Amiri', 'Traditional Arabic', serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 2.2;
  margin-bottom: 12px;
  direction: rtl;
  word-wrap: break-word;
}

.quote-translation {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.quote-copy-btn {
  position: absolute;
  bottom: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-secondary);
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}

.quote-copy-btn:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

/* Bottom Navigation Bar */
.materi-bottom-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  width: 100%;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
}

.btn-prev {
  border: 1px solid var(--accent-teal);
  background: var(--card-bg);
  color: var(--text-primary);
}

.btn-prev:hover {
  background: var(--light-teal);
}

.btn-next {
  border: 1px solid var(--dark-teal-btn);
  background: var(--dark-teal-btn);
  color: #FFFFFF;
}

.btn-next:hover {
  opacity: 0.9;
}

.nav-btn-text {
  text-align: left;
}

.nav-btn-text .label {
  display: block;
  font-size: 13px;
  font-weight: 700;
}

.nav-btn-text .sub {
  display: block;
  font-size: 11px;
  opacity: 0.8;
  font-weight: 400;
}

/* =========================================================
   3. RIGHT SIDEBAR PANEL (300px)
   ========================================================= */
.right-sidebar-panel {
  grid-column: 3;
  width: 100%;
  box-sizing: border-box;
  position: sticky;
  top: 88px;
}

.tips-belajar-card {
  padding: 20px;
  border-radius: 16px;
  background: var(--light-teal);
  border: 1px solid rgba(21, 154, 150, 0.2);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.tips-heading {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 800;
  color: var(--accent-teal);
}

.tips-bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tips-bullet-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
}

.tips-bullet-list li i {
  color: var(--accent-teal);
  font-size: 6px;
  margin-top: 6px;
  flex: 0 0 auto;
}

.mosque-vector-art {
  margin-top: 24px;
  height: 70px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.mosque-vector-art svg {
  width: 100%;
  height: 100%;
}

/* =========================================================
   RESPONSIVE BREAKPOINTS (FLUID 3-COL / 2-COL / 1-COL)
   ========================================================= */

/* Large Desktop (≥ 1200px): 3 Columns (260px | minmax(0, 1fr) | 300px) */
@media (min-width: 1200px) {
  .main-learning-layout {
    grid-template-columns: 260px minmax(0, 1fr) 300px;
    gap: 20px;
  }
}

/* Desktop Standard / Small Laptop (992px - 1199px): 3 Columns (240px | minmax(0, 1fr) | 260px) */
@media (min-width: 992px) and (max-width: 1199px) {
  .main-learning-layout {
    grid-template-columns: 240px minmax(0, 1fr) 260px;
    gap: 16px;
    padding: 16px;
  }
}

/* Tablet (768px - 991px): 2 Columns (240px | minmax(0, 1fr)) */
@media (min-width: 768px) and (max-width: 991px) {
  .main-learning-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 16px;
    padding: 16px;
  }

  .right-sidebar-panel {
    grid-column: 2;
    position: static;
    margin-top: 16px;
  }
}

/* Mobile (< 768px): 1 Column */
@media (max-width: 767px) {
  .main-learning-layout {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
  }

  .mobile-curriculum-toggle {
    display: inline-flex;
  }

  .left-sidebar-panel {
    position: fixed;
    top: 0;
    left: -340px;
    width: 290px;
    height: 100vh;
    z-index: 999;
    background: var(--card-bg);
    padding: 0;
    overflow-y: auto;
    transition: left 0.3s ease;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
  }

  .left-sidebar-panel.open {
    left: 0;
  }

  .sidebar-card {
    border: none;
    border-radius: 0;
    box-shadow: none;
    position: static;
  }

  .sidebar-mobile-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
  }

  .lesson-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 998;
    background: rgba(0, 0, 0, 0.4);
  }

  .lesson-sidebar-backdrop.open {
    display: block;
  }

  .right-sidebar-panel {
    position: static;
  }
}