/* ==========================================================================
   SMART EXPLORER: CURRICULUM QUEST 2026 - STYLE SHEET
   Egyptian Curriculum Gamified Web Platform
   ========================================================================== */

:root {
  /* Primary Stage Palette (Playful, Colorful, Vibrant) */
  --primary-bg: #f8fafc;
  --primary-card: rgba(255, 255, 255, 0.88);
  --primary-accent: #f59e0b;
  --primary-accent-glow: rgba(245, 158, 11, 0.35);
  --primary-blue: #0284c7;
  --primary-green: #10b981;
  --primary-purple: #8b5cf6;
  --primary-text: #0f172a;
  --primary-text-muted: #64748b;
  --primary-border: rgba(226, 232, 240, 0.8);
  --gold-color: #f59e0b;
  --gem-color: #06b6d4;

  /* Global System Defaults */
  --font-arabic: 'Cairo', system-ui, sans-serif;
  --font-code: 'Orbitron', monospace;
  --font-kid: 'Fredoka', 'Cairo', sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-main: 0 10px 30px -5px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 25px rgba(245, 158, 11, 0.25);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode / Secondary Stage High-Tech Futuristic Theme */
[data-theme="dark"], body.theme-secondary {
  --primary-bg: #090d16;
  --primary-card: rgba(18, 24, 38, 0.85);
  --primary-accent: #38bdf8;
  --primary-accent-glow: rgba(56, 189, 248, 0.4);
  --primary-blue: #38bdf8;
  --primary-green: #34d399;
  --primary-purple: #c084fc;
  --primary-text: #f1f5f9;
  --primary-text-muted: #94a3b8;
  --primary-border: rgba(51, 65, 85, 0.7);
  --shadow-main: 0 10px 35px -5px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.28);
}

/* Preparatory Stage (Adventure / Explorer Theme) */
body.theme-prep {
  --primary-accent: #10b981;
  --primary-accent-glow: rgba(16, 185, 129, 0.35);
  --primary-blue: #0d9488;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-arabic);
  background-color: var(--primary-bg);
  color: var(--primary-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(at 15% 15%, rgba(245, 158, 11, 0.08) 0px, transparent 50%),
    radial-gradient(at 85% 85%, rgba(56, 189, 248, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Glassmorphism Containers */
.glass-card {
  background: var(--primary-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-main);
}

.glass-subcard {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

/* Top Navigation Bar */
.top-nav {
  margin: 1rem 1.5rem 0.5rem;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 50;
  position: sticky;
  top: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-shield {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.spin-hover:hover {
  transform: rotate(45deg);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.game-title {
  font-size: 1.35rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-2026 {
  font-size: 0.72rem;
  font-family: var(--font-code);
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  color: #fff;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.game-tagline {
  font-size: 0.75rem;
  color: var(--primary-text-muted);
  font-weight: 600;
  letter-spacing: 0.3px;
}

/* Live Player Stats Ribbon */
.stats-ribbon {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.stat-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--primary-border);
  padding: 0.4rem 0.85rem;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.88rem;
  transition: var(--transition);
}

.stat-pill:hover {
  transform: translateY(-2px);
  border-color: var(--primary-accent);
}

.stat-num {
  font-family: var(--font-code);
  color: var(--primary-accent);
  font-weight: 800;
}

.rank-pill {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(16, 185, 129, 0.12));
  border-color: rgba(245, 158, 11, 0.4);
}

.rank-name {
  color: var(--primary-text);
  font-size: 0.85rem;
}

/* Nav Controls */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ctrl-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--primary-border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--primary-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  position: relative;
}

.dev-pill-btn {
  width: auto;
  padding: 0 0.85rem;
  gap: 0.35rem;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(16, 185, 129, 0.15));
  border-color: rgba(245, 158, 11, 0.4);
  font-weight: 700;
  color: var(--primary-text);
}

.btn-text-sm {
  font-size: 0.82rem;
}

.ctrl-btn:hover {
  background: var(--primary-accent);
  color: #fff;
  border-color: var(--primary-accent);
  box-shadow: 0 4px 15px var(--primary-accent-glow);
}

.ai-beacon {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  border: none;
}

.ai-notify-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 9px;
  height: 9px;
  background-color: #22c55e;
  border-radius: 50%;
  border: 2px solid #fff;
}

.pulse-btn {
  animation: pulse-glow-anim 2s infinite;
}

@keyframes pulse-glow-anim {
  0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(99, 102, 241, 0); }
  100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* Main Container */
.main-container {
  flex: 1;
  padding: 0.5rem 1.5rem 2rem;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

/* Mode Selector Tab Bar */
.mode-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.mode-tab {
  flex: 1;
  min-width: 170px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--primary-text-muted);
  font-weight: 700;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.mode-tab:hover {
  color: var(--primary-text);
  background: rgba(255, 255, 255, 0.05);
}

.mode-tab.active {
  background: var(--primary-accent);
  color: #fff;
  box-shadow: 0 4px 15px var(--primary-accent-glow);
}

/* View Panels */
.view-panel {
  display: none;
  animation: fadeIn 0.35s ease forwards;
}

.view-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Continent Cards Bar */
.continents-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.continent-card {
  padding: 1.2rem;
  border-radius: var(--radius-lg);
  border: 2px solid var(--primary-border);
  background: var(--primary-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-align: right;
  position: relative;
  transition: var(--transition);
}

.continent-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-accent);
  box-shadow: var(--shadow-glow);
}

.continent-card.active {
  border-color: var(--primary-accent);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), transparent);
  box-shadow: 0 8px 25px var(--primary-accent-glow);
}

.cont-flag {
  font-size: 2.2rem;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--primary-border);
}

.cont-info h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 0.2rem;
}

.cont-info p {
  font-size: 0.78rem;
  color: var(--primary-text-muted);
}

.cont-badge {
  position: absolute;
  top: 10px;
  left: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  color: var(--primary-accent);
}

/* Filters Wrap */
.filters-wrap {
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.filter-group label {
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--primary-text-muted);
}

.form-select {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary-border);
  background: var(--primary-card);
  color: var(--primary-text);
  font-family: var(--font-arabic);
  font-weight: 700;
  cursor: pointer;
  outline: none;
}

.subject-pills {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.subject-pill {
  padding: 0.4rem 0.85rem;
  border-radius: 20px;
  border: 1px solid var(--primary-border);
  background: transparent;
  color: var(--primary-text);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.subject-pill.active {
  background: var(--primary-blue);
  color: #fff;
  border-color: var(--primary-blue);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

.quest-progress-summary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  font-weight: 700;
}

.progress-bar-wrap {
  width: 120px;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--primary-border);
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #06b6d4);
  border-radius: 10px;
  transition: width 0.4s ease;
}

/* Quest Map Nodes Grid */
.quest-map-area {
  padding: 1.75rem;
  min-height: 480px;
}

.map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--primary-border);
  padding-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.map-header h2 {
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.map-legend {
  display: flex;
  gap: 1rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.completed { background: #10b981; }
.dot.current { background: #f59e0b; }
.dot.locked { background: #64748b; }

.quest-nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

/* Node Cards */
.quest-node-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--primary-border);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.quest-node-card:hover:not(.locked) {
  transform: translateY(-5px);
  border-color: var(--primary-accent);
  box-shadow: 0 8px 25px var(--primary-accent-glow);
}

.quest-node-card.completed {
  border-color: rgba(16, 185, 129, 0.5);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), transparent);
}

.quest-node-card.current {
  border-color: var(--primary-accent);
  box-shadow: 0 0 20px var(--primary-accent-glow);
}

.quest-node-card.locked {
  opacity: 0.6;
  cursor: not-allowed;
  filter: grayscale(0.5);
}

.node-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.node-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
}

.node-status-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 20px;
}

.node-status-pill.completed { background: rgba(16, 185, 129, 0.2); color: #10b981; }
.node-status-pill.current { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.node-status-pill.locked { background: rgba(100, 116, 139, 0.2); color: #94a3b8; }

.node-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.node-desc {
  font-size: 0.8rem;
  color: var(--primary-text-muted);
  line-height: 1.4;
  margin-bottom: 1rem;
}

.node-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 700;
  border-top: 1px solid var(--primary-border);
  padding-top: 0.65rem;
}

.node-reward {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--gold-color);
}

/* ARENA MODE */
.arena-card {
  padding: 2rem;
}

.arena-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--primary-border);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.arena-header h2 {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 0.4rem;
}

.arena-timer-box {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  padding: 0.75rem 1.75rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

.timer-title {
  font-size: 0.75rem;
  display: block;
  font-weight: 600;
}

.timer-digits {
  font-size: 2.2rem;
  font-family: var(--font-code);
  font-weight: 900;
  line-height: 1;
}

.arena-config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.config-box h4 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.cta-large-btn {
  background: linear-gradient(135deg, var(--primary-accent), #d97706);
  color: #fff;
  padding: 1rem 2.5rem;
  font-size: 1.15rem;
  font-weight: 800;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  box-shadow: 0 8px 25px var(--primary-accent-glow);
  transition: var(--transition);
}

.cta-large-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px var(--primary-accent-glow);
}

.arena-stats-live {
  display: flex;
  gap: 2rem;
  padding: 0.85rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-weight: 700;
  font-size: 1.05rem;
}

/* SMART REVIEW (MISTAKE LAB) */
.smart-review-card {
  padding: 2rem;
}

.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.review-title-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lab-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sub-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--primary-border);
  color: var(--primary-text);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.sub-btn:hover {
  background: var(--primary-accent);
  color: #fff;
}

.mistakes-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.mistake-stat-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--primary-border);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.mistake-stat-card.highlight {
  border-color: rgba(16, 185, 129, 0.5);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), transparent);
}

.m-stat-title {
  font-size: 0.85rem;
  color: var(--primary-text-muted);
  font-weight: 700;
  display: block;
  margin-bottom: 0.35rem;
}

.m-stat-num {
  font-size: 2rem;
  font-family: var(--font-code);
  font-weight: 900;
  color: var(--primary-accent);
}

.mistake-stat-card.highlight .m-stat-num {
  color: #10b981;
}

.mistakes-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mistake-item-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-border);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.m-item-info h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 0.3rem;
}

.m-item-info p {
  font-size: 0.85rem;
  color: var(--primary-text-muted);
}

/* VOICE ROLEPLAY */
.voice-card {
  padding: 2rem;
}

.voice-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--primary-border);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.voice-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar-holo {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.4);
}

.voice-lang-picker {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--primary-border);
  background: transparent;
  color: var(--primary-text);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--primary-blue);
  color: #fff;
  border-color: var(--primary-blue);
}

.chat-viewport {
  height: 380px;
  overflow-y: auto;
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background: rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.chat-msg {
  display: flex;
  gap: 0.85rem;
  max-width: 80%;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.msg-bubble {
  background: var(--primary-card);
  padding: 0.9rem 1.25rem;
  border-radius: 18px;
  border: 1px solid var(--primary-border);
  font-size: 0.95rem;
  line-height: 1.5;
}

.chat-msg.user .msg-bubble {
  background: linear-gradient(135deg, var(--primary-blue), #0284c7);
  color: #fff;
  border-color: transparent;
}

.listen-audio-btn {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: 12px;
  border: 1px solid var(--primary-border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--primary-accent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
}

.voice-input-bar {
  display: flex;
  gap: 0.65rem;
}

.form-input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-border);
  background: var(--primary-card);
  color: var(--primary-text);
  font-family: var(--font-arabic);
  font-size: 0.95rem;
  outline: none;
}

.form-input:focus {
  border-color: var(--primary-accent);
  box-shadow: 0 0 15px var(--primary-accent-glow);
}

.mic-btn, .send-btn {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.mic-btn {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
}

.mic-btn.recording {
  animation: pulse-red 1.2s infinite;
}

@keyframes pulse-red {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); box-shadow: 0 0 20px #ef4444; }
  100% { transform: scale(1); }
}

.send-btn {
  background: var(--primary-accent);
  color: #fff;
}

.voice-hint {
  font-size: 0.75rem;
  color: var(--primary-text-muted);
  margin-top: 0.65rem;
}

/* DIAGNOSTICS */
.diag-container {
  padding: 2rem;
}

.diag-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--primary-border);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.diag-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}

.subject-bars {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-top: 1rem;
}

.s-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.s-bar-bg {
  height: 12px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--primary-border);
}

.s-bar-val {
  height: 100%;
  border-radius: 10px;
}

.s-bar-val.arabic { background: linear-gradient(90deg, #f59e0b, #d97706); }
.s-bar-val.english { background: linear-gradient(90deg, #0284c7, #38bdf8); }
.s-bar-val.math { background: linear-gradient(90deg, #8b5cf6, #c084fc); }
.s-bar-val.german { background: linear-gradient(90deg, #ef4444, #f87171); }
.s-bar-val.studies { background: linear-gradient(90deg, #10b981, #34d399); }

.ai-recommendations {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.rec-item {
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary-border);
  background: rgba(255, 255, 255, 0.02);
}

.rec-item.urgent { border-right: 4px solid #ef4444; }
.rec-item.normal { border-right: 4px solid #f59e0b; }
.rec-item.praise { border-right: 4px solid #10b981; }

.rec-badge {
  font-size: 0.72rem;
  font-weight: 800;
  margin-bottom: 0.3rem;
  display: inline-block;
}

.rec-item h4 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.rec-item p {
  font-size: 0.8rem;
  color: var(--primary-text-muted);
  line-height: 1.4;
}

/* MODALS */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.hidden {
  display: none;
}

.modal-box {
  width: 100%;
  max-width: 680px;
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 2px solid var(--primary-border);
}

.scale-in {
  animation: scaleIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.modal-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--primary-border);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.modal-badge {
  font-size: 0.75rem;
  background: rgba(56, 189, 248, 0.2);
  color: var(--primary-blue);
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.3rem;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 2rem;
  color: var(--primary-text-muted);
  cursor: pointer;
  line-height: 1;
}

.question-prompt-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.prompt-text {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.6;
}

.prompt-speaker-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-blue);
  color: #fff;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Question Interactive Playground */
.choices-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.choice-option-btn {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--primary-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--primary-text);
  font-family: var(--font-arabic);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: right;
  transition: var(--transition);
}

.choice-option-btn:hover {
  border-color: var(--primary-accent);
  background: rgba(245, 158, 11, 0.06);
}

.choice-option-btn.selected {
  border-color: var(--primary-accent);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), transparent);
  box-shadow: 0 4px 15px var(--primary-accent-glow);
}

.choice-option-btn.correct {
  border-color: #10b981 !important;
  background: rgba(16, 185, 129, 0.15) !important;
  color: #10b981;
}

.choice-option-btn.wrong {
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.15) !important;
  color: #ef4444;
}

/* Drag and Drop Playground (Primary Level) */
.drag-drop-area {
  margin-bottom: 1.5rem;
}

.drag-slots-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.drag-slot {
  flex: 1;
  min-height: 60px;
  border: 2px dashed var(--primary-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.02);
}

.drag-tokens-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.drag-token {
  padding: 0.65rem 1.25rem;
  border-radius: 25px;
  background: var(--primary-blue);
  color: #fff;
  font-weight: 700;
  cursor: grab;
  user-select: none;
}

/* Socratic Hint Drawer */
.socratic-hint-drawer {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  animation: fadeIn 0.3s ease;
}

.socratic-hint-drawer.hidden { display: none; }

.hint-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #818cf8;
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.hint-trigger-btn {
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.1);
  color: #818cf8;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.submit-answer-btn {
  padding: 0.75rem 2rem;
  border-radius: var(--radius-sm);
  background: var(--primary-accent);
  color: #fff;
  font-weight: 800;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px var(--primary-accent-glow);
}

/* AI SIDE DRAWER */
.ai-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: -440px;
  width: 420px;
  z-index: 120;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  border-left: none;
}

.ai-drawer.open {
  left: 0;
  box-shadow: 20px 0 50px rgba(0, 0, 0, 0.6);
}

.ai-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--primary-border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.ai-info-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ai-avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-status {
  font-size: 0.72rem;
  color: #22c55e;
  font-weight: 600;
}

.close-icon-btn {
  background: transparent;
  border: none;
  font-size: 1.8rem;
  color: var(--primary-text-muted);
  cursor: pointer;
}

.ai-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1rem;
  padding-right: 0.25rem;
}

.ai-msg {
  display: flex;
  gap: 0.5rem;
}

.ai-bubble {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--primary-border);
  padding: 0.85rem 1rem;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.5;
}

.ai-chips {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.ai-chip {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--primary-border);
  color: var(--primary-text);
  cursor: pointer;
  transition: var(--transition);
}

.ai-chip:hover {
  background: var(--primary-accent);
  color: #fff;
}

.ai-input-bar {
  display: flex;
  gap: 0.5rem;
}

/* CHEST CELEBRATION MODAL */
.chest-box {
  max-width: 480px;
  text-align: center;
  padding: 2.5rem;
}

.chest-icon-glow {
  font-size: 4rem;
  animation: bounce 1.5s infinite;
  display: inline-block;
  margin-bottom: 1rem;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.loot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin: 1.75rem 0;
}

.loot-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--primary-border);
  padding: 1rem 0.5rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.loot-icon { font-size: 1.8rem; }
.loot-val { font-size: 0.82rem; font-weight: 800; color: var(--gold-color); }

/* Developers Section & Footer */
.developers-footer {
  margin: 1.5rem 1.5rem 2rem;
  padding: 1.75rem 2rem;
  border-top: 2px solid var(--primary-border);
}

.dev-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.dev-intro {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dev-icon-badge {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f59e0b, #10b981);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.dev-intro h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.2rem;
}

.dev-intro p {
  font-size: 0.85rem;
  color: var(--primary-text-muted);
}

.dev-cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
}

.dev-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-border);
  background: rgba(255, 255, 255, 0.04);
  transition: var(--transition);
}

.dev-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary-accent);
  box-shadow: var(--shadow-glow);
}

.dev-card.primary-dev {
  border-color: rgba(245, 158, 11, 0.4);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), transparent);
}

.dev-card.partner-dev {
  border-color: rgba(56, 189, 248, 0.4);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.08), transparent);
}

.dev-avatar {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--primary-border);
}

.dev-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: rgba(245, 158, 11, 0.18);
  color: var(--gold-color);
  display: inline-block;
  margin-bottom: 0.35rem;
}

.dev-badge.gold {
  background: rgba(56, 189, 248, 0.18);
  color: var(--primary-blue);
}

.dev-name {
  font-size: 1.25rem;
  font-weight: 900;
  margin-bottom: 0.35rem;
}

.dev-school {
  display: flex;
  gap: 0.85rem;
  font-size: 0.82rem;
  color: var(--primary-text-muted);
  font-weight: 700;
  flex-wrap: wrap;
}

/* Developers Dedicated Modal */
.dev-modal-box {
  max-width: 640px;
}

.dev-modal-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.dev-highlight-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-border);
  background: rgba(255, 255, 255, 0.04);
}

.dev-big-avatar {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  font-size: 2.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.dev-big-avatar.secondary-avatar {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.3);
}

.role-tag {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--gold-color);
  text-transform: uppercase;
}

.role-tag.gold {
  color: var(--primary-blue);
}

.dev-details h2 {
  font-size: 1.35rem;
  font-weight: 900;
  margin: 0.2rem 0 0.5rem;
}

.details-chips {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.chip-item {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--primary-border);
  font-weight: 700;
}

.dev-quote-box {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.25);
  font-style: italic;
  font-size: 0.88rem;
  text-align: center;
  color: var(--primary-text);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .top-nav {
    flex-direction: column;
    align-items: stretch;
    margin: 0.5rem;
    padding: 1rem;
  }
  .stats-ribbon {
    justify-content: center;
  }
  .filters-wrap {
    flex-direction: column;
    align-items: stretch;
  }
  .ai-drawer {
    width: 100%;
    left: -100%;
  }
}