/* ==========================================================================
   Loksewa Preparation System - Styles (v3 — Modern & Polished)
   ========================================================================== */

:root {
  --primary: #6366f1;
  --primary-dark: #4338ca;
  --primary-light: #eef2ff;
  --secondary: #0ea5e9;
  --secondary-light: #e0f2fe;
  --success: #10b981;
  --success-light: #d1fae5;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --purple: #8b5cf6;
  --purple-light: #ede9fe;
  --pink: #ec4899;
  --pink-light: #fce7f3;
  --orange: #f97316;
  --orange-light: #ffedd5;
  --teal: #14b8a6;
  --teal-light: #ccfbf1;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.12), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 40px rgba(79,70,229,0.2);
  --transition: 0.2s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(160deg, #f0f4ff 0%, #faf5ff 40%, #ecfdf5 100%);
  background-attachment: fixed;
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Header ──────────────────────────────────────────────────────────────── */
.header {
  background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 40%, #6366f1 70%, #818cf8 100%);
  color: #fff;
  padding: 0.875rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 24px rgba(99,102,241,0.35);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.tagline {
  font-size: 0.78rem;
  opacity: 0.8;
  margin-left: 1rem;
  background: rgba(255,255,255,0.15);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.user-stats {
  background: rgba(255,255,255,0.15);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.78rem;
}

.streak-badge {
  background: linear-gradient(135deg, #ff6b35, #ff9500);
  color: #fff;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  animation: none;
  box-shadow: 0 2px 8px rgba(255,107,53,0.5);
}

.streak-badge:empty { display: none; }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  background: var(--gray-200);
  color: var(--gray-700);
  white-space: nowrap;
}

.btn:hover {
  background: var(--gray-300);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  box-shadow: 0 6px 16px rgba(79,70,229,0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--gray-300);
  color: var(--gray-600);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn-sm {
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  box-shadow: 0 2px 8px rgba(239,68,68,0.3);
}

.btn-danger:hover { background: #dc2626; }

.btn-success {
  background: var(--success);
  color: #fff;
}

/* ─── Tab Navigation ──────────────────────────────────────────────────────── */
.tab-nav {
  display: flex;
  background: #fff;
  border-bottom: 2px solid var(--gray-100);
  padding: 0 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: 0.875rem 1.25rem;
  border: none;
  background: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  top: 2px;
}

.tab-btn:hover { color: var(--primary); }

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: linear-gradient(to bottom, transparent, var(--primary-light));
  border-radius: var(--radius) var(--radius) 0 0;
}

/* ─── Exam Selector ───────────────────────────────────────────────────────── */
.exam-selector {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background: #fff;
  border-bottom: 1px solid var(--gray-100);
}

.exam-btn {
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--gray-200);
  border-radius: 30px;
  background: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
}

.exam-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.exam-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}

/* ─── Main Content ────────────────────────────────────────────────────────── */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  min-height: calc(100vh - 300px);
}

.tab-content { display: none; }
.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

/* ─── Quiz ────────────────────────────────────────────────────────────────── */
.quiz-container { max-width: 800px; margin: 0 auto; }

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.quiz-controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.select-input {
  padding: 0.5rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: #fff;
  color: var(--gray-700);
  cursor: pointer;
  font-weight: 500;
}

.select-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.quiz-progress {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.progress-bar {
  flex: 1;
  height: 10px;
  background: var(--gray-200);
  border-radius: 10px;
  overflow: hidden;
  min-width: 150px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 10px;
  transition: width 0.4s ease;
}

.quiz-score { font-weight: 700; color: var(--success); font-size: 1rem; }
.quiz-timer { font-weight: 700; color: var(--gray-500); font-variant-numeric: tabular-nums; }

/* Countdown bar */
.quiz-countdown {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #eff6ff, #e0e7ff);
  border: 2px solid var(--primary-light);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.quiz-countdown.warning {
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border-color: var(--warning);
}

.quiz-countdown.danger {
  background: linear-gradient(135deg, #fef2f2, #fee2e2);
  border-color: var(--danger);
  animation: dangerPulse 0.5s ease infinite;
}

@keyframes dangerPulse {
  0%, 100% { border-color: var(--danger); }
  50% { border-color: #fca5a5; }
}

.countdown-label { font-size: 0.85rem; font-weight: 600; color: var(--gray-600); }
.countdown-time { font-size: 1.1rem; font-weight: 800; color: var(--primary); font-variant-numeric: tabular-nums; min-width: 45px; }
.quiz-countdown.warning .countdown-time { color: var(--warning); }
.quiz-countdown.danger .countdown-time { color: var(--danger); }
.countdown-bar-wrap { flex: 1; height: 6px; background: rgba(0,0,0,0.1); border-radius: 6px; overflow: hidden; }
.countdown-bar-fill { height: 100%; background: var(--primary); transition: width 1s linear; }

.question-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
}

.question-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--purple), var(--secondary));
}

.question-meta { display: flex; gap: 0.5rem; margin-bottom: 1rem; }

.badge {
  display: inline-flex;
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--gray-100);
  color: var(--gray-600);
}

.badge.easy { background: var(--success-light); color: var(--success); }
.badge.medium { background: var(--warning-light); color: #b45309; }
.badge.hard { background: var(--danger-light); color: var(--danger); }

.question-card h3 {
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  color: var(--gray-800);
}

.options { display: flex; flex-direction: column; gap: 0.75rem; }

.option-btn {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  font-size: 0.95rem;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
  font-weight: 500;
}

.option-btn:hover:not(.disabled) {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateX(4px);
}

.option-btn .option-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gray-100);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.option-btn.correct {
  border-color: var(--success);
  background: var(--success-light);
}

.option-btn.correct .option-label {
  background: var(--success);
  color: #fff;
}

.option-btn.incorrect {
  border-color: var(--danger);
  background: var(--danger-light);
}

.option-btn.incorrect .option-label {
  background: var(--danger);
  color: #fff;
}

.option-btn.disabled { cursor: default; }

.explanation {
  margin-top: 1.25rem;
  padding: 1rem;
  background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  border-radius: var(--radius);
  border-left: 4px solid var(--secondary);
  font-size: 0.9rem;
  color: var(--gray-700);
  animation: fadeIn 0.3s ease;
}

.question-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Quiz Welcome */
.quiz-welcome {}

.welcome-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}

.welcome-card h2 { margin-bottom: 0.75rem; font-size: 1.5rem; }
.welcome-card > p { color: var(--gray-500); margin-bottom: 2rem; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.stat-card {
  background: linear-gradient(135deg, var(--primary-light), #f0f9ff);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
  border: 1px solid rgba(79,70,229,0.15);
}

.stat-card .stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
  font-weight: 500;
}

.stat-card-timer { background: linear-gradient(135deg, var(--orange-light), #fff7ed); border-color: rgba(249,115,22,0.2); }
.stat-card-timer .stat-number { color: var(--orange); }

/* Quick Start Grid */
.quick-start-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.quick-start-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.25rem 0.5rem;
  background: #fff;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.85rem;
}

.quick-start-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(79,70,229,0.2);
}

.qs-icon { font-size: 1.75rem; }
.qs-label { font-size: 0.78rem; font-weight: 600; color: var(--gray-600); text-align: center; }

/* Quiz Results */
.quiz-results { text-align: center; animation: fadeIn 0.5s ease; }

.results-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  margin: 1.5rem 0;
  position: relative;
  overflow: hidden;
}

.results-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--purple), var(--pink), var(--secondary));
}

.results-score { font-size: 3.5rem; font-weight: 800; margin-bottom: 1rem; }

.results-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.results-stat { text-align: center; }
.results-stat .label { font-size: 0.8rem; color: var(--gray-500); font-weight: 500; }
.results-stat .value { font-size: 1.5rem; font-weight: 700; }

.results-actions { display: flex; justify-content: center; gap: 1rem; }

.review-section { text-align: left; margin-top: 2rem; }

.review-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  border-left: 4px solid var(--gray-300);
  box-shadow: var(--shadow);
}

.review-item.correct-answer { border-left-color: var(--success); background: #f0fdf4; }
.review-item.wrong-answer { border-left-color: var(--danger); background: #fef2f2; }
.review-item .review-q { font-weight: 600; margin-bottom: 0.5rem; }
.review-item .review-answer { font-size: 0.9rem; color: var(--gray-600); }

/* ─── Learn ───────────────────────────────────────────────────────────────── */
.learn-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
}

.learn-sidebar {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 200px);
  overflow-y: auto;
}

.learn-sidebar h3 { font-size: 1rem; margin-bottom: 1rem; color: var(--gray-700); font-weight: 700; }

.category-list { display: flex; flex-direction: column; gap: 0.25rem; }

.category-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--gray-600);
  transition: all var(--transition);
  font-weight: 500;
}

.category-item:hover { background: var(--gray-100); color: var(--gray-800); }

.category-item.active {
  background: linear-gradient(135deg, var(--primary-light), #f0f9ff);
  color: var(--primary);
  font-weight: 600;
}

.category-count {
  background: var(--gray-100);
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 700;
}

.category-item.active .category-count {
  background: rgba(79,70,229,0.15);
}

.search-input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-top: 1rem;
  transition: all var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.learn-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.learn-toolbar h2 { margin-bottom: 0.25rem; }
.learn-toolbar > p { display: none; }

.btn-card-mode {
  white-space: nowrap;
  background: linear-gradient(135deg, var(--purple-light), var(--primary-light));
  border-color: var(--purple);
  color: var(--purple);
}

.btn-card-mode:hover, .btn-card-mode.active {
  background: linear-gradient(135deg, var(--purple), var(--primary));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(139,92,246,0.4);
}

.learn-main { min-height: 400px; }
.learn-main h2 { margin-bottom: 0.25rem; }
.learn-main > p { color: var(--gray-500); margin-bottom: 1.5rem; font-size: 0.9rem; }

.learn-questions { display: flex; flex-direction: column; gap: 1rem; }

.learn-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  border-left: 4px solid var(--gray-200);
}

.learn-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-left-color: var(--primary);
}

.learn-card.expanded { border-left-color: var(--success); }

.learn-card .learn-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.learn-card .learn-q { font-weight: 600; font-size: 0.95rem; flex: 1; }

.learn-card .learn-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.875rem;
}

.learn-option {
  padding: 0.4rem 0.65rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  color: var(--gray-600);
  font-weight: 500;
}

.learn-option.correct-opt {
  background: var(--success-light);
  color: var(--success);
  font-weight: 700;
}

.learn-card .learn-explanation {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-100);
  font-size: 0.85rem;
  color: var(--gray-500);
  display: none;
}

.learn-card.expanded .learn-explanation { display: block; }

/* ─── Card Swipe Mode ─────────────────────────────────────────────────────── */
.card-swipe-container {
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 0;
}

.card-progress-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 600px;
}

.card-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
}

.card-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--primary));
  border-radius: 8px;
  transition: width 0.3s ease;
}

.card-counter { font-size: 0.85rem; font-weight: 600; color: var(--gray-500); white-space: nowrap; }

.card-content-area {
  width: 100%;
  max-width: 600px;
  min-height: 320px;
  display: flex;
  align-items: stretch;
  perspective: 1200px;
}

.swipe-card {
  width: 100%;
  min-height: 320px;
  cursor: pointer;
  user-select: none;
  position: relative;
  border-radius: var(--radius-xl);
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.swipe-card.revealed { transform: rotateY(180deg); }

.swipe-card.swipe-out-right {
  animation: swipeOutRight 0.3s ease forwards;
}

.swipe-card.swipe-out-left {
  animation: swipeOutLeft 0.3s ease forwards;
}

@keyframes swipeOutRight {
  to { transform: translateX(120%) rotateZ(15deg); opacity: 0; }
}

@keyframes swipeOutLeft {
  to { transform: translateX(-120%) rotateZ(-15deg); opacity: 0; }
}

.card-face {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 2rem;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-front {
  background: linear-gradient(145deg, #fff 0%, var(--primary-light) 100%);
  border: 2px solid rgba(79,70,229,0.2);
}

.card-back {
  background: linear-gradient(145deg, #fff 0%, var(--success-light) 100%);
  border: 2px solid rgba(16,185,129,0.3);
  transform: rotateY(180deg);
}

.card-meta { display: flex; gap: 0.5rem; margin-bottom: 1rem; }

.card-question-text {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gray-900);
  text-align: center;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-hint {
  font-size: 0.75rem;
  color: var(--gray-400);
  text-align: center;
  margin-top: 1rem;
}

.card-options-list { display: flex; flex-direction: column; gap: 0.6rem; }

.card-opt {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  background: rgba(255,255,255,0.7);
  border-radius: var(--radius);
  font-size: 0.9rem;
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
  font-weight: 500;
}

.card-opt-correct {
  background: var(--success-light) !important;
  border-color: var(--success) !important;
  color: var(--success);
  font-weight: 700;
}

.card-opt-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gray-200);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.card-opt-correct .card-opt-label {
  background: var(--success);
  color: #fff;
}

.card-explanation {
  margin-top: 0.75rem;
  padding: 0.6rem 0.75rem;
  background: rgba(255,255,255,0.8);
  border-radius: var(--radius);
  font-size: 0.82rem;
  color: var(--gray-600);
  border-left: 3px solid var(--teal);
}

.card-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  width: 100%;
  max-width: 600px;
  justify-content: center;
}

.card-swipe-hint {
  font-size: 0.8rem;
  color: var(--gray-400);
  text-align: center;
}

/* ─── Pagination ──────────────────────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1.5rem; flex-wrap: wrap; }

.page-btn {
  padding: 0.4rem 0.8rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; border-color: transparent; }

/* ─── Previous Questions ──────────────────────────────────────────────────── */
.previous-container h2 { margin-bottom: 0.5rem; }
.previous-container > p { color: var(--gray-500); margin-bottom: 1.5rem; }
.filter-bar { display: flex; gap: 0.75rem; margin-bottom: 1.5rem; flex-wrap: wrap; }

/* ─── Progress ────────────────────────────────────────────────────────────── */
.progress-container { max-width: 900px; margin: 0 auto; }

.progress-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.progress-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
  border: 2px solid var(--gray-100);
  transition: all var(--transition);
}

.progress-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.progress-card .p-number { font-size: 2rem; font-weight: 800; color: var(--primary); }
.progress-card .p-label { font-size: 0.82rem; color: var(--gray-500); font-weight: 500; }

.streak-card {
  background: linear-gradient(135deg, #fff7ed, #ffedd5) !important;
  border-color: rgba(249,115,22,0.3) !important;
}

.streak-card .p-number { color: var(--orange) !important; }

.progress-detail {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  border: 2px solid var(--gray-100);
}

.progress-bar-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
}

.progress-bar-item:last-child { border-bottom: none; }
.progress-bar-item .pbi-label { width: 160px; font-size: 0.85rem; color: var(--gray-600); flex-shrink: 0; font-weight: 500; }
.progress-bar-item .pbi-bar { flex: 1; height: 8px; background: var(--gray-200); border-radius: 8px; overflow: hidden; }
.progress-bar-item .pbi-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 8px; transition: width 0.6s ease; }
.progress-bar-item .pbi-value { font-size: 0.85rem; font-weight: 700; color: var(--gray-700); width: 50px; text-align: right; }

.quiz-history-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--gray-100);
}

.quiz-history-item .qh-info { font-size: 0.9rem; }
.quiz-history-item .qh-score { font-weight: 800; font-size: 1.1rem; }

/* ─── Admin ───────────────────────────────────────────────────────────────── */
.admin-container { max-width: 950px; margin: 0 auto; }

.admin-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--gray-100);
  padding-bottom: 0.5rem;
  flex-wrap: wrap;
}

.admin-tab-btn {
  padding: 0.5rem 1rem;
  border: none;
  background: none;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--gray-500);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.admin-tab-btn:hover { color: var(--primary); background: var(--primary-light); }
.admin-tab-btn.active { color: var(--primary); background: var(--primary-light); }

.admin-panel h3 { margin-bottom: 1rem; }

.admin-table {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}

.admin-table table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 0.75rem 1rem; text-align: left; font-size: 0.875rem; border-bottom: 1px solid var(--gray-100); }
.admin-table th { background: linear-gradient(135deg, #f8faff, #f0f4ff); font-weight: 700; color: var(--gray-600); }

.content-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.content-stat-card {
  background: #fff;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  border: 2px solid var(--gray-100);
}

.content-stat-card .cs-number { font-size: 1.75rem; font-weight: 800; color: var(--primary); }
.content-stat-card .cs-label { font-size: 0.78rem; color: var(--gray-500); font-weight: 500; }

/* CSV Import */
.csv-import-banner {
  background: linear-gradient(135deg, #f0fdf4, #dcfce7);
  border: 2px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.csv-import-banner h4 { margin-bottom: 0.5rem; color: var(--success); }
.csv-import-banner p { font-size: 0.875rem; color: var(--gray-600); margin-bottom: 0.75rem; }

.csv-import-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.csv-upload-label {
  cursor: pointer;
  background: linear-gradient(135deg, var(--success), var(--teal));
  color: #fff;
  border-radius: var(--radius);
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition);
  box-shadow: 0 4px 12px rgba(16,185,129,0.3);
}

.csv-upload-label:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(16,185,129,0.4); }

.csv-import-msg {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  min-height: 1.25rem;
}

.success-msg { color: var(--success); font-size: 0.875rem; font-weight: 600; min-height: 1.25rem; }

/* Add Question Form */
.content-actions { display: flex; gap: 0.75rem; margin-bottom: 1.25rem; flex-wrap: wrap; }

.add-question-guide-banner {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.add-question-guide-banner h4 { margin-bottom: 0.25rem; color: var(--primary-dark); }

.guide-note {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--gray-600);
}

.add-question-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  animation: fadeIn 0.3s ease;
  border: 2px solid var(--primary-light);
}

.add-question-form h4 { margin-bottom: 1rem; }

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 0.3rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  transition: all var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.add-q-steps { margin: 0.75rem 0 0.5rem; }

.step-badge {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.8rem;
  border-radius: 20px;
}

.options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.option-group label { display: flex; align-items: center; gap: 0.4rem; }

.option-label-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.opt-a { background: #3b82f6; }
.opt-b { background: #10b981; }
.opt-c { background: #f59e0b; }
.opt-d { background: #ef4444; }

.required { color: var(--danger); }
.optional { color: var(--gray-400); font-size: 0.8rem; font-weight: 400; }
.form-actions { display: flex; gap: 0.75rem; margin-top: 1rem; }

/* Settings */
.settings-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  border: 2px solid var(--gray-100);
}

.settings-card h4 { margin-bottom: 0.75rem; color: var(--gray-800); font-size: 1.1rem; }
.settings-card p { font-size: 0.875rem; color: var(--gray-600); margin-bottom: 1rem; }

.settings-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.settings-row label { font-weight: 600; font-size: 0.875rem; color: var(--gray-700); }
.settings-note { font-size: 0.8rem; color: var(--gray-500); margin-top: 0.5rem; }

/* Scraper panel */
.scraper-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.scraper-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.status-dot { width: 10px; height: 10px; border-radius: 50%; }
.status-dot.idle { background: var(--gray-400); }
.status-dot.running { background: var(--warning); animation: pulse 1s infinite; }
.status-dot.done { background: var(--success); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.scraper-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.btn-scraper-live {
  background: linear-gradient(135deg, var(--teal), var(--success)) !important;
  box-shadow: 0 4px 12px rgba(20,184,166,0.4) !important;
}

.scraper-log {
  background: #0d1117;
  color: #7ee787;
  padding: 1rem;
  border-radius: var(--radius);
  font-family: "Fira Code", "Cascadia Code", "Courier New", monospace;
  font-size: 0.8rem;
  max-height: 220px;
  overflow-y: auto;
  margin-bottom: 1.5rem;
  display: none;
  white-space: pre-wrap;
  border: 1px solid #30363d;
}

.scraper-log.visible { display: block; }

.scraper-instructions {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}

.scraper-instructions h4 { margin-bottom: 0.75rem; }

.scraper-instructions pre {
  background: #0d1117;
  color: #e6edf3;
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.8rem;
  font-family: "Fira Code", monospace;
}

/* Admin Docs */
.admin-docs { display: flex; flex-direction: column; gap: 1.5rem; }

.docs-section {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}

.docs-section h4 { margin-bottom: 0.75rem; color: var(--primary-dark); }

.docs-section ul {
  padding-left: 1.25rem;
  color: var(--gray-700);
  font-size: 0.875rem;
  line-height: 1.8;
}

.docs-section code {
  background: var(--gray-100);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: 'Fira Code', monospace;
  color: var(--purple);
}

/* ─── Modal ───────────────────────────────────────────────────────────────── */
.modal {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(6px);
}

.modal.show { display: flex; animation: fadeIn 0.2s ease; }

.modal-content {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 90%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
}

.modal-header-fun {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 0.75rem;
}

.auth-modal h2 { text-align: center; margin-bottom: 0.5rem; }
.auth-modal p { text-align: center; color: var(--gray-500); margin-bottom: 1.5rem; font-size: 0.9rem; }

.error-msg { color: var(--danger); font-size: 0.85rem; margin-bottom: 0.75rem; min-height: 1.25rem; font-weight: 500; }

/* ─── Login Gate ──────────────────────────────────────────────────────────── */
.login-gate {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-gate::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(79,70,229,0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(14,165,233,0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(139,92,246,0.2) 0%, transparent 50%);
  pointer-events: none;
}

.login-gate-card {
  background: rgba(255,255,255,0.98);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  width: 90%;
  max-width: 460px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.1);
  animation: slideUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  z-index: 1;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.login-gate-card.shake { animation: shake 0.4s ease; }

.login-gate-logo { text-align: center; margin-bottom: 1.5rem; }

.login-gate-icon {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 0.5rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.login-gate-logo h1 {
  font-size: 1.9rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.login-gate-logo p { font-size: 0.875rem; color: var(--gray-500); }

.login-gate-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
  border-radius: var(--radius-lg);
}

.feature-item {
  font-size: 0.82rem;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.gate-login-form { margin-bottom: 1rem; }

.btn-block { width: 100%; justify-content: center; padding: 0.875rem; font-size: 1rem; }

.gate-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-400);
  line-height: 1.6;
}

.gate-note code {
  background: var(--gray-100);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  color: var(--purple);
}

/* ─── Streak Toast ────────────────────────────────────────────────────────── */
.streak-toast {
  position: fixed;
  top: 80px;
  right: 1.5rem;
  z-index: 3000;
  background: linear-gradient(135deg, #ff6b35, #ff9500);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 1rem 1.5rem;
  box-shadow: 0 8px 30px rgba(255,107,53,0.5);
  transform: translateX(calc(100% + 2rem));
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  pointer-events: none;
  min-width: 220px;
}

.streak-toast.show { transform: translateX(0); }

.streak-toast-inner { display: flex; align-items: center; gap: 1rem; }

.streak-toast-emoji { font-size: 2.5rem; animation: fireShake 0.3s ease infinite alternate; }

@keyframes fireShake {
  from { transform: rotate(-5deg) scale(1); }
  to   { transform: rotate(5deg) scale(1.1); }
}

.streak-toast-title { font-size: 1.1rem; font-weight: 800; }
.streak-toast-msg { font-size: 0.85rem; opacity: 0.9; }

/* ─── Current Affairs / News ──────────────────────────────────────────────── */
.news-container { max-width: 1200px; margin: 0 auto; }

.news-header { margin-bottom: 1.5rem; }

.news-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.news-title-row h2 { margin: 0; }

.news-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.news-meta-badge {
  background: var(--gray-100);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--gray-600);
  font-weight: 500;
}

.news-subtitle { color: var(--gray-500); font-size: 0.9rem; margin-bottom: 1rem; }

.news-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.news-filter-group { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.news-filter-btn {
  padding: 0.4rem 0.9rem;
  border: 2px solid var(--gray-200);
  border-radius: 30px;
  background: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--gray-600);
}

.news-filter-btn:hover { border-color: var(--primary); color: var(--primary); }

.news-filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 3px 10px rgba(79,70,229,0.3);
}

.news-right-controls { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.select-sm { font-size: 0.82rem; padding: 0.35rem 0.6rem; }
.search-sm { width: 180px; font-size: 0.82rem; padding: 0.35rem 0.6rem; }

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: all var(--transition);
  border: 2px solid var(--gray-100);
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--primary-light);
}

.news-card-header { display: flex; justify-content: space-between; align-items: center; }

.news-cat-badge {
  font-size: 0.72rem;
  padding: 0.2rem 0.65rem;
  border-radius: 20px;
  color: #fff;
  font-weight: 600;
}

.news-time { font-size: 0.75rem; color: var(--gray-400); }

.news-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.4;
  margin: 0;
}

.news-summary {
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

.news-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.6rem;
  border-top: 1px solid var(--gray-100);
}

.news-source { font-size: 0.75rem; color: var(--gray-400); }
.news-link { font-size: 0.78rem; color: var(--primary); font-weight: 600; }

.news-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  gap: 1rem;
  color: var(--gray-400);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.news-empty {
  text-align: center;
  padding: 3rem 2rem;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  border: 2px solid var(--gray-100);
}

.news-empty-large .news-empty-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.news-empty h3 { margin-bottom: 0.5rem; }
.news-empty p { color: var(--gray-500); margin-bottom: 1rem; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 2.5rem 2rem;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
  color: var(--gray-400);
  font-size: 0.85rem;
  margin-top: 3rem;
  border-top: 3px solid rgba(99,102,241,0.3);
}

.footer-small { font-size: 0.75rem; margin-top: 0.5rem; opacity: 0.7; }

/* ─── Profile Tab ─────────────────────────────────────────────────────────── */
.profile-container { max-width: 900px; margin: 0 auto; }

.profile-header-card {
  background: linear-gradient(135deg, #312e81, #4338ca, #6366f1);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 12px 40px rgba(99,102,241,0.3);
  position: relative;
  overflow: hidden;
  color: #fff;
}

.profile-header-card::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 60%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.profile-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #818cf8, #a78bfa);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; font-weight: 800; color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  border: 3px solid rgba(255,255,255,0.3);
}

.profile-info { flex: 1; }
.profile-info h2 { font-size: 1.75rem; font-weight: 800; margin-bottom: 0.5rem; text-transform: capitalize; }

.profile-badges { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; flex-wrap: wrap; }

.profile-role-badge {
  display: inline-flex; align-items: center;
  padding: 0.25rem 0.75rem; border-radius: 20px;
  font-size: 0.78rem; font-weight: 600;
}
.role-admin { background: rgba(251,191,36,0.2); color: #fde68a; }
.role-user { background: rgba(167,139,250,0.2); color: #c4b5fd; }

.profile-streak-badge {
  display: inline-flex; align-items: center;
  padding: 0.25rem 0.75rem; border-radius: 20px;
  font-size: 0.78rem; font-weight: 600;
  background: rgba(251,146,60,0.2); color: #fed7aa;
}

.profile-joined { font-size: 0.85rem; opacity: 0.8; }

.profile-actions { flex-shrink: 0; }
.profile-actions .btn { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.profile-actions .btn:hover { background: rgba(255,255,255,0.25); }

.profile-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.profile-stat-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  border: 2px solid var(--gray-100);
  transition: all 0.25s ease;
}
.profile-stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.profile-stat-card.streak-card { background: linear-gradient(135deg, #fff7ed, #ffedd5); border-color: rgba(251,146,60,0.2); }

.psc-icon { font-size: 1.5rem; margin-bottom: 0.4rem; }
.psc-number { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 0.25rem; }
.profile-stat-card.streak-card .psc-number { color: var(--orange); }
.psc-label { font-size: 0.78rem; color: var(--gray-500); font-weight: 500; }

.profile-section {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  border: 2px solid var(--gray-100);
}
.profile-section h3 { margin-bottom: 1rem; font-size: 1.1rem; color: var(--gray-800); }

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
}

.achievement-card {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1rem;
  background: linear-gradient(135deg, #faf5ff, #eef2ff);
  border-radius: var(--radius);
  border: 1px solid rgba(99,102,241,0.15);
  transition: all 0.2s ease;
}
.achievement-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.ach-icon { font-size: 1.75rem; flex-shrink: 0; }
.achievement-card strong { display: block; font-size: 0.9rem; color: var(--gray-800); }
.achievement-card p { font-size: 0.78rem; color: var(--gray-500); margin: 0; }
.empty-achievements { color: var(--gray-400); text-align: center; padding: 2rem; font-size: 0.9rem; }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .tagline { display: none; }

  .tab-nav { padding: 0 0.5rem; }
  .tab-btn { padding: 0.75rem 0.75rem; font-size: 0.78rem; }

  .main-content { padding: 1rem; }

  .learn-container { grid-template-columns: 1fr; }
  .learn-sidebar { position: static; max-height: none; }
  .learn-card .learn-options { grid-template-columns: 1fr; }

  .quiz-header { flex-direction: column; align-items: flex-start; }
  .quiz-controls { width: 100%; }
  .quiz-controls .select-input { flex: 1; }

  .question-card { padding: 1.25rem; }
  .form-row { grid-template-columns: 1fr; }
  .options-grid { grid-template-columns: 1fr; }
  .exam-selector { flex-wrap: wrap; }
  .results-stats { flex-direction: column; gap: 1rem; }

  .quick-start-grid { grid-template-columns: repeat(2, 1fr); }

  .news-grid { grid-template-columns: 1fr; }
  .news-controls { flex-direction: column; align-items: flex-start; }
  .search-sm { width: 100%; }

  .login-gate-features { grid-template-columns: 1fr; }

  /* Card mode full-width on mobile */
  .card-content-area { max-width: 100%; }
  .card-actions { max-width: 100%; }
  .card-progress-wrap { max-width: 100%; }

  .swipe-card { min-height: 280px; }
  .card-question-text { font-size: 1rem; }

  .streak-toast { right: 0.75rem; left: 0.75rem; transform: translateY(-120px); min-width: unset; }
  .streak-toast.show { transform: translateY(0); }

  .profile-header-card { flex-direction: column; text-align: center; padding: 1.5rem; }
  .profile-actions { width: 100%; }
  .profile-actions .btn { width: 100%; justify-content: center; }
  .profile-badges { justify-content: center; }
  .profile-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .achievements-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .header { padding: 0.5rem 0.75rem; }
  .logo { font-size: 1.25rem; }

  .quiz-progress { flex-direction: column; align-items: flex-start; }
  .progress-bar { width: 100%; }

  .login-gate-card { padding: 1.5rem 1rem; }

  .card-face { padding: 1.25rem; }
  .card-question-text { font-size: 0.95rem; }
}