/* ==========================================================================
   CS-CyberVerse M.3 - Student & Content Styles
   ========================================================================== */

/* Home Menu Grid Cards */
.menu-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.menu-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.menu-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(56, 189, 248, 0.2);
}

.menu-card:hover::before {
  opacity: 1;
}

.menu-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
}

.menu-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent-cyan);
  transition: transform 0.3s ease;
}

.menu-card:hover .menu-icon-box {
  transform: scale(1.1) rotate(5deg);
  background: rgba(56, 189, 248, 0.2);
}

.menu-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(139, 92, 246, 0.2);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 4px 10px;
  border-radius: 12px;
}

.menu-card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.menu-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.menu-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--accent-cyan);
  font-size: 0.88rem;
  font-weight: 600;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.menu-card-footer i {
  font-size: 1.2rem;
  transition: transform 0.25s ease;
}

.menu-card:hover .menu-card-footer i {
  transform: translateX(4px);
}

/* Learning & E-Book Showcase */
.ebook-showcase-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow-card);
}

.ebook-badge {
  color: var(--accent-amber);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.ebook-preview-cover img {
  max-height: 240px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease;
}

.ebook-preview-cover img:hover {
  transform: scale(1.03) rotate(-1deg);
}

.anyflip-frame-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  box-shadow: var(--shadow-card);
}

.frame-header {
  margin-bottom: 1rem;
}

.frame-wrapper {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 4 Unit Lesson Cards */
.unit-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-left: 5px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  height: 100%;
}

.unit-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 1rem;
}

.unit-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.unit-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.unit-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

/* Accordion Dark Theme */
.unit-accordion .accordion-item {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm) !important;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.unit-accordion .accordion-button {
  background: rgba(30, 41, 59, 0.5);
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: none;
}

.unit-accordion .accordion-button:not(.collapsed) {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
}

.unit-accordion .accordion-button::after {
  filter: invert(1);
}

.unit-accordion .accordion-body {
  color: #cbd5e1;
  font-size: 0.92rem;
  background: rgba(15, 23, 42, 0.8);
}

/* Lesson Rich Content Elements */
.lesson-rich-text h4 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.lesson-rich-text ul, .lesson-rich-text ol {
  padding-left: 1.2rem;
  margin-bottom: 1rem;
}

.lesson-rich-text li {
  margin-bottom: 0.4rem;
}

.callout-card {
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  margin: 1rem 0;
  border-left: 4px solid;
}

.callout-card.primary {
  background: rgba(56, 189, 248, 0.1);
  border-left-color: var(--accent-cyan);
}

.callout-card.success {
  background: rgba(16, 185, 129, 0.1);
  border-left-color: var(--accent-emerald);
}

/* PROMPT Grid */
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin: 1rem 0;
}

.prompt-item {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
}

/* Styled Table for Fact vs Opinion */
.styled-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.88rem;
}

.styled-table th, .styled-table td {
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 12px;
}

.styled-table th {
  background: rgba(30, 41, 59, 0.8);
  color: var(--accent-cyan);
}

/* Law Card List */
.law-card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 1rem 0;
}

.law-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.law-card h5 {
  font-size: 0.95rem;
  margin: 6px 0;
  color: var(--text-main);
}

.law-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin: 0;
}

.law-card .badge.red {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.law-card .badge.orange {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

/* Quiz UI Components */
.quiz-container {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

.quiz-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
  gap: 1rem;
}

.quiz-timer-box {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 1.1rem;
  color: var(--accent-amber);
}

.question-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.question-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
}

.q-badge {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
}

.question-text {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1.8rem;
  color: #fff;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option-label {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-option-label:hover {
  background: rgba(30, 41, 59, 0.85);
  border-color: var(--accent-cyan);
}

.quiz-option-label.selected {
  background: rgba(56, 189, 248, 0.18);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

.opt-indicator {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--text-main);
  flex-shrink: 0;
}

.quiz-option-label.selected .opt-indicator {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
}

.opt-text {
  font-size: 1.05rem;
  color: var(--text-main);
}

.quiz-nav-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Quiz Question Navigator Grid */
.quiz-navigator-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.q-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 1rem;
}

.q-nav-btn {
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  font-weight: 600;
  transition: all 0.2s ease;
}

.q-nav-btn.active {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
}

.q-nav-btn.answered {
  background: rgba(16, 185, 129, 0.25);
  border-color: var(--accent-emerald);
  color: #6ee7b7;
}

.q-nav-legend {
  display: flex;
  justify-content: space-around;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  margin-right: 4px;
}

.legend-dot.active { background: var(--accent-cyan); }
.legend-dot.answered { background: var(--accent-emerald); }

/* Quiz Result Card */
.quiz-result-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
}

.result-badge-icon {
  font-size: 4rem;
  margin-bottom: 0.5rem;
}

.score-circle-display {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin: 1.5rem 0;
  border: 4px solid;
}

.score-circle-display.passed {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--accent-emerald);
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.3);
}

.score-circle-display.failed {
  background: rgba(239, 68, 68, 0.15);
  border-color: #f87171;
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.3);
}

.score-num {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
}

.score-percent {
  font-size: 1.1rem;
  color: var(--accent-amber);
  font-weight: 600;
}

/* Quiz Review List */
.review-item-card {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid var(--border-glass);
  border-left: 5px solid;
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  margin-bottom: 1rem;
}

.review-item-card.correct { border-left-color: var(--accent-emerald); }
.review-item-card.wrong { border-left-color: #ef4444; }

.review-q-text {
  font-size: 1.05rem;
  font-weight: 600;
}

.review-explanation {
  background: rgba(15, 23, 42, 0.7);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-top: 8px;
}

/* Leaderboard */
.leaderboard-table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.leaderboard-table {
  color: var(--text-main);
  margin-bottom: 0;
}

.leaderboard-table th {
  background: rgba(30, 41, 59, 0.8);
  color: var(--accent-cyan);
  border-bottom: 2px solid var(--border-glow);
  padding: 12px 14px;
}

.leaderboard-table td {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 14px;
}

.top-rank.rank-1 { background: rgba(245, 158, 11, 0.12); }
.top-rank.rank-2 { background: rgba(148, 163, 184, 0.1); }
.top-rank.rank-3 { background: rgba(217, 119, 6, 0.1); }

.rank-badge {
  font-weight: 700;
  font-size: 0.95rem;
}

/* Certificate Preview Canvas */
.cert-canvas-preview {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 2px solid var(--accent-amber);
}

.cert-locked-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  max-width: 600px;
  margin: 0 auto;
}

.lock-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}