/* style.css */
/* Premium Glassmorphic Design System for EngCambo */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --font-primary: 'Plus Jakarta Sans', sans-serif;
  --font-title: 'Outfit', sans-serif;
  
  /* Color Palette */
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #020617 100%);
  --panel-bg: rgba(30, 27, 75, 0.4);
  --panel-border: rgba(99, 102, 241, 0.15);
  
  --primary-glow: rgba(99, 102, 241, 0.15);
  --accent-primary: #6366f1; /* Indigo */
  --accent-primary-hover: #4f46e5;
  --accent-cyan: #06b6d4;
  --accent-purple: #a855f7;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-gold: #fbbf24;
  
  /* Text colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-glow: rgba(255, 255, 255, 0.8);
  
  /* Shadows & Radius */
  --card-radius: 20px;
  --button-radius: 12px;
  --box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-primary);
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: hidden;
  padding-bottom: 24px;
}

#app-container {
  width: 100%;
  max-width: 480px;
  padding: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Glass Card Component */
.glass-card {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: var(--card-radius);
  padding: 24px;
  box-shadow: var(--glass-shadow);
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
  transform: skewX(-25deg);
  transition: 0.75s;
}

.glass-card:hover::before {
  left: 150%;
}

/* App Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 8px 0;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-purple) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.2rem;
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.brand-title {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #ffffff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.user-badge {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 12px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.user-badge:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

/* Typography */
h1 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.8rem;
  margin-bottom: 8px;
  line-height: 1.2;
}

h2 {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1.4rem;
  margin-bottom: 8px;
}

h3 {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1.1rem;
}

p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-primary) 100%);
  color: white;
  border: none;
  padding: 14px 24px;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--button-radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5), 0 0 12px rgba(99, 102, 241, 0.25);
  background: linear-gradient(135deg, #0891b2 0%, #4f46e5 100%);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.4);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  padding: 12px 18px;
  font-weight: 600;
  border-radius: var(--button-radius);
  cursor: pointer;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: white;
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(1px);
}

/* Dynamic Finish Test Button Styling */
.btn-finish {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  color: white !important;
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.35) !important;
  font-weight: 700 !important;
}

.btn-finish:hover {
  background: linear-gradient(135deg, #34d399 0%, #059669 100%) !important;
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.55), 0 0 12px rgba(16, 185, 129, 0.25) !important;
  transform: translateY(-2px) scale(1.02) !important;
}

.btn-finish:active {
  transform: translateY(1px) scale(0.99) !important;
}

/* Input Fields */
.input-group {
  margin-bottom: 20px;
  text-align: left;
}

.input-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.custom-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--button-radius);
  padding: 12px 16px;
  color: white;
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-speed);
}

.custom-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

/* Category Grid & Menu Cards */
.grid-menu {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.menu-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition-speed);
  position: relative;
  text-align: left;
}

.menu-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
}

.menu-card .icon-box {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--accent-primary);
}

.menu-card:hover .icon-box {
  background: var(--accent-primary);
  color: white;
}

.menu-card h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.menu-card p {
  font-size: 0.75rem;
}

/* QCM Interactive Interface */
.option-btn {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--button-radius);
  padding: 15px 20px;
  color: #cbd5e1;
  width: 100%;
  text-align: left;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.option-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(99, 102, 241, 0.35);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(99, 102, 241, 0.15);
}

.option-letter {
  display: inline-flex;
  width: 26px;
  height: 26px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

/* Option States */
.option-btn.correct {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%) !important;
  border-color: var(--accent-emerald) !important;
  color: #e6fbf4 !important;
  text-shadow: 0 0 8px rgba(16, 185, 129, 0.3);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.25) !important;
}

.option-btn.correct .option-letter {
  background: linear-gradient(135deg, var(--accent-emerald) 0%, #059669 100%) !important;
  border-color: transparent !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
}

.option-btn.incorrect {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.15) 0%, rgba(225, 29, 72, 0.15) 100%) !important;
  border-color: var(--accent-rose) !important;
  color: #fff1f2 !important;
  text-shadow: 0 0 8px rgba(244, 63, 94, 0.3);
  box-shadow: 0 8px 24px rgba(244, 63, 94, 0.25) !important;
}

.option-btn.incorrect .option-letter {
  background: linear-gradient(135deg, var(--accent-rose) 0%, #e11d48 100%) !important;
  border-color: transparent !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(244, 63, 94, 0.4);
}

.option-btn.selected {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.16) 0%, rgba(99, 102, 241, 0.16) 100%) !important;
  border-color: var(--accent-cyan) !important;
  color: #e0f7fa !important;
  font-weight: 600 !important;
  text-shadow: 0 0 10px rgba(6, 182, 212, 0.35);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.25), inset 0 0 12px rgba(6, 182, 212, 0.12) !important;
  transform: translateY(-2px) scale(1.01);
}

.option-btn.selected .option-letter {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-primary) 100%) !important;
  border-color: transparent !important;
  color: white !important;
  box-shadow: 0 3px 10px rgba(6, 182, 212, 0.45);
  transform: scale(1.05);
}

/* Explanation Panel */
.explanation-panel {
  background: rgba(99, 102, 241, 0.08);
  border-left: 4px solid var(--accent-primary);
  padding: 14px;
  border-radius: 0 12px 12px 0;
  margin: 16px 0;
  text-align: left;
}

.explanation-panel h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
  color: var(--accent-primary);
}

/* Leaderboard List */
.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.leaderboard-row {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 10px 14px;
  transition: all var(--transition-speed);
}

.leaderboard-row:hover {
  background: rgba(255, 255, 255, 0.06);
}

.rank-badge {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 50%;
  margin-right: 12px;
}

.rank-1 { background: rgba(251, 191, 36, 0.2); color: var(--accent-gold); }
.rank-2 { background: rgba(226, 232, 240, 0.2); color: #cbd5e1; }
.rank-3 { background: rgba(180, 83, 9, 0.2); color: #b45309; }
.rank-other { background: rgba(255, 255, 255, 0.05); color: var(--text-muted); }

.leaderboard-details {
  flex-grow: 1;
  text-align: left;
}

.leaderboard-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.leaderboard-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.leaderboard-score {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-cyan);
}

/* Badge list inside welcome/dashboard */
.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.topic-badge {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 50px;
}

/* Progress bar */
.progress-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent-primary), var(--accent-cyan));
  border-radius: 10px;
  transition: width 0.4s ease-out;
}

/* Admin Dashboard Table */
.admin-table-container {
  overflow-x: auto;
  margin-top: 16px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.admin-table th, .admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-table th {
  background: rgba(255, 255, 255, 0.05);
  font-weight: 700;
  color: var(--accent-cyan);
}

.admin-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge-status {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.65rem;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-status.pending {
  background: rgba(251, 191, 36, 0.15);
  color: var(--accent-gold);
}