/* ========================================
   심리학개론 게임 학습 — Design System
   ======================================== */

/* --- CSS Variables --- */
:root {
  /* 배경 */
  --bg: #F0F4FF;
  --bg-warm: #F8F6FF;
  --card-bg: #FFFFFF;
  --card-bg-hover: #F8FAFF;

  /* 텍스트 */
  --text-primary: #2C3E50;
  --text-secondary: #5D6D7E;
  --text-muted: #95A5A6;
  --text-inverse: #FFFFFF;

  /* 게임별 악센트 */
  --game-quiz: #3498DB;
  --game-quiz-light: #AED6F1;
  --game-quiz-dark: #2980B9;
  --game-card: #F39C12;
  --game-card-light: #FFEAA7;
  --game-card-dark: #E67E22;
  --game-typing: #E74C3C;
  --game-typing-light: #FFB3B3;
  --game-typing-dark: #C0392B;
  --game-swipe: #2ECC71;
  --game-swipe-light: #A3FFD6;
  --game-swipe-dark: #27AE60;
  --game-connect: #9B59B6;
  --game-connect-light: #D5B3FF;
  --game-connect-dark: #8E44AD;
  --game-crossword: #1ABC9C;
  --game-crossword-light: #A3E4D7;
  --game-crossword-dark: #16A085;
  --game-hierarchy: #E67E22;
  --game-hierarchy-light: #FAD7A0;
  --game-hierarchy-dark: #D35400;
  --game-timeline: #2980B9;
  --game-timeline-light: #AED6F1;
  --game-timeline-dark: #1A5276;
  --game-exam: #E91E63;
  --game-exam-light: #F8BBD0;
  --game-exam-dark: #C2185B;
  --game-english: #00BCD4;
  --game-english-light: #B2EBF2;
  --game-english-dark: #00838F;

  /* 피드백 */
  --correct: #27AE60;
  --correct-light: #D5F5E3;
  --wrong: #E74C3C;
  --wrong-light: #FADBD8;
  --combo: #F39C12;
  --star: #F1C40F;

  /* 카테고리 (15색) */
  --cat-intro: #FF6B6B;
  --cat-bio: #4ECDC4;
  --cat-conscious: #9B59B6;
  --cat-sensory: #F39C12;
  --cat-learn: #2ECC71;
  --cat-memory: #3498DB;
  --cat-cogn: #E67E22;
  --cat-intell: #1ABC9C;
  --cat-motiv: #E74C3C;
  --cat-develop: #27AE60;
  --cat-person: #8E44AD;
  --cat-social: #2980B9;
  --cat-abnorm: #C0392B;
  --cat-therapy: #16A085;
  --cat-health: #D35400;

  /* 공통 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);
  --shadow-glow: 0 0 20px rgba(52,152,219,0.3);
  --transition: 0.25s ease;
  --transition-fast: 0.15s ease;
  --transition-slow: 0.4s ease;

  /* 폰트 */
  --font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, '맑은 고딕', sans-serif;
}

/* 다크모드 */
[data-theme="dark"] {
  --bg: #0F0F23;
  --bg-warm: #1A1A3E;
  --card-bg: #1E1E3F;
  --card-bg-hover: #2A2A5A;
  --text-primary: #E8E8F0;
  --text-secondary: #A0A0C0;
  --text-muted: #6060A0;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 8px 16px;
  background: var(--game-quiz);
  color: white;
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus {
  top: 8px;
}

/* --- Focus Visible --- */
:focus-visible {
  outline: 3px solid var(--game-quiz);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --- Global Header --- */
.global-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--card-bg);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  backdrop-filter: blur(12px);
  transition: all var(--transition);
}
[data-theme="dark"] .global-header {
  border-bottom-color: rgba(255,255,255,0.06);
}
.global-header.hidden { display: none; }

.btn-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-back:hover {
  background: rgba(0,0,0,0.05);
}

.header-title {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  display: flex;
  gap: 4px;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-icon:hover {
  background: rgba(0,0,0,0.05);
  transform: scale(1.1);
}

/* --- Utility --- */
.hidden { display: none !important; }

/* --- Pages --- */
.page { padding: 0 20px 40px; }

/* --- Home Hero --- */
.home-hero {
  text-align: center;
  padding: 48px 0 32px;
  position: relative;
}

.hero-icon {
  font-size: 4rem;
  animation: float 3s ease-in-out infinite;
  display: inline-block;
}

.hero-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  margin: 16px 0 8px;
  background: linear-gradient(135deg, var(--game-quiz), var(--game-connect), var(--game-typing));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="dark"] .hero-title {
  background: linear-gradient(135deg, #6BB8FF, #D5B3FF, #FFB3B3);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-sub {
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--text-primary);
}
[data-theme="dark"] .hero-sub {
  color: #D0D0F0;
}

.hero-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.hero-actions {
  position: absolute;
  top: 48px;
  right: 0;
  display: flex;
  gap: 4px;
}

/* --- Game Grid --- */
.game-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.game-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 12px 16px;
  background: var(--card-bg);
  border: 2px solid transparent;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  overflow: hidden;
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  transition: height var(--transition);
}

.game-card[data-game="quiz"]::before { background: var(--game-quiz); }
.game-card[data-game="card"]::before { background: var(--game-card); }
.game-card[data-game="typing"]::before { background: var(--game-typing); }
.game-card[data-game="swipe"]::before { background: var(--game-swipe); }
.game-card[data-game="connect"]::before { background: var(--game-connect); }
.game-card[data-game="crossword"]::before { background: var(--game-crossword); }
.game-card[data-game="hierarchy"]::before { background: var(--game-hierarchy); }
.game-card[data-game="timeline"]::before { background: var(--game-timeline); }

.game-card:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-md);
}
.game-card:hover::before { height: 6px; }
.game-card:active { transform: scale(0.97); }

.game-card-icon {
  font-size: 2.2rem;
  line-height: 1;
}

.game-card-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.game-card-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
}
[data-theme="dark"] .game-card-info h3 {
  color: #FFD54F;
}
[data-theme="dark"] .game-card-info p {
  color: #B0B0D0;
}

.game-card-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  color: white;
  opacity: 0.9;
}
.game-card[data-game="quiz"] .game-card-badge { background: var(--game-quiz); }
.game-card[data-game="card"] .game-card-badge { background: var(--game-card); }
.game-card[data-game="typing"] .game-card-badge { background: var(--game-typing); }
.game-card[data-game="swipe"] .game-card-badge { background: var(--game-swipe); }
.game-card[data-game="connect"] .game-card-badge { background: var(--game-connect); }
.game-card[data-game="crossword"] .game-card-badge { background: var(--game-crossword); }
.game-card[data-game="hierarchy"] .game-card-badge { background: var(--game-hierarchy); }
.game-card[data-game="timeline"] .game-card-badge { background: var(--game-timeline); }

/* --- Stats Card --- */
.stats-card {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.stats-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.stats-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.stats-bar {
  flex: 1;
  height: 10px;
  background: rgba(0,0,0,0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
[data-theme="dark"] .stats-bar {
  background: rgba(255,255,255,0.08);
}

.stats-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--game-swipe), var(--game-quiz), var(--game-connect));
  transition: width 0.6s ease;
}

.stats-percent {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--game-quiz);
}

.stats-row {
  display: flex;
  justify-content: space-around;
  text-align: center;
}

.stats-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stats-value {
  font-size: 1.1rem;
  font-weight: 800;
}

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

/* --- Setup Page --- */
.setup-container {
  max-width: 480px;
  margin: 0 auto;
  padding-top: 20px;
}

.setup-header {
  text-align: center;
  margin-bottom: 32px;
}

.setup-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 8px;
}

.setup-header h2 {
  font-size: 1.5rem;
  font-weight: 800;
}

.setup-section {
  margin-bottom: 24px;
}

.setup-section h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

/* --- Chips --- */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 8px 18px;
  border: 2px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-pill);
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}
[data-theme="dark"] .chip {
  border-color: rgba(255,255,255,0.1);
}

.chip:hover {
  border-color: var(--game-quiz);
  color: var(--game-quiz);
  transform: translateY(-1px);
}

.chip.active {
  background: linear-gradient(135deg, var(--game-quiz), var(--game-connect));
  border-color: transparent;
  color: white;
  box-shadow: 0 2px 8px rgba(52,152,219,0.3);
}

/* --- Setup Leaderboard --- */
.setup-leaderboard {
  margin-top: 24px;
}
.setup-lb-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 10px;
  text-align: center;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--game-quiz), var(--game-connect));
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(52,152,219,0.3);
  font-family: inherit;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(52,152,219,0.4);
}
.btn-primary:active {
  transform: scale(0.97);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--card-bg);
  color: var(--text-primary);
  border: 2px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
[data-theme="dark"] .btn-secondary {
  border-color: rgba(255,255,255,0.1);
}
.btn-secondary:hover {
  border-color: var(--game-quiz);
  color: var(--game-quiz);
  transform: translateY(-1px);
}

.btn-start {
  width: 100%;
  margin-top: 12px;
  padding: 16px;
  font-size: 1.15rem;
}

/* --- Game HUD --- */
.game-hud {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0 16px;
  position: sticky;
  top: 60px;
  z-index: 50;
  background: var(--bg);
}

.hud-left, .hud-right {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.hud-progress {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.hud-center { flex: 1; }

.progress-bar {
  height: 6px;
  background: rgba(0,0,0,0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
[data-theme="dark"] .progress-bar {
  background: rgba(255,255,255,0.08);
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--game-swipe), var(--game-quiz));
  transition: width 0.3s ease;
  width: 0%;
}

.hud-score {
  font-size: 1rem;
  font-weight: 800;
  color: var(--star);
}

.hud-timer {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: rgba(0,0,0,0.05);
}
.hud-timer.warning { color: var(--combo); animation: pulse 1s infinite; }
.hud-timer.danger { color: var(--wrong); animation: pulse 0.5s infinite; }

/* --- Game Area --- */
.game-area {
  min-height: 400px;
  position: relative;
}

/* --- Result Page --- */
.result-container {
  max-width: 400px;
  margin: 0 auto;
  text-align: center;
  padding-top: 32px;
  position: relative;
  z-index: 2;
}

.result-stars {
  font-size: 2.5rem;
  margin-bottom: 16px;
  letter-spacing: 8px;
}

.result-score {
  margin-bottom: 8px;
}

.result-score-value {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--star), var(--combo));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-score-max {
  font-size: 1.2rem;
  color: var(--text-muted);
  font-weight: 600;
}

.result-accuracy {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 24px;
}

.result-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.result-detail {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-sm);
}

.detail-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.detail-value {
  font-size: 1.1rem;
  font-weight: 800;
}

.result-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Leaderboard --- */
.result-leaderboard {
  margin-top: 24px;
  width: 100%;
  max-width: 500px;
}

.leaderboard-entry-form {
  text-align: center;
  margin-bottom: 16px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(241,196,15,0.1), rgba(243,156,18,0.1));
  border: 1px solid rgba(241,196,15,0.3);
  border-radius: var(--radius-lg);
}
.leaderboard-congrats {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--combo);
  margin-bottom: 10px;
}
.leaderboard-input {
  padding: 10px 14px;
  border: 2px solid var(--combo);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  outline: none;
  width: 160px;
  font-family: inherit;
}
.leaderboard-input:focus {
  box-shadow: 0 0 12px rgba(241,196,15,0.3);
}
.btn-sm {
  padding: 10px 16px;
  font-size: 0.85rem;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.leaderboard-table th {
  padding: 8px 6px;
  text-align: center;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  border-bottom: 2px solid rgba(0,0,0,0.08);
}
.leaderboard-table td {
  padding: 10px 6px;
  text-align: center;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.leaderboard-table tr.top3 td {
  font-weight: 600;
}
.leaderboard-table tr.highlight {
  background: rgba(241,196,15,0.12);
  animation: pulse 0.6s ease;
}
[data-theme="dark"] .leaderboard-table th {
  border-bottom-color: rgba(255,255,255,0.1);
}
[data-theme="dark"] .leaderboard-table td {
  border-bottom-color: rgba(255,255,255,0.05);
}

/* --- Floating Scores --- */
.floating-scores {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
}

.floating-score {
  position: absolute;
  font-weight: 900;
  font-size: 1.3rem;
  animation: floatUp 1s ease-out forwards;
  text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.floating-score.correct { color: var(--correct); }
.floating-score.wrong { color: var(--wrong); }
.floating-score.combo { color: var(--combo); font-size: 1.6rem; }

/* --- Confetti --- */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  top: -20px;
  animation: confettiDrop 3s ease-in forwards;
}

/* --- Combo Badge --- */
.combo-badge {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  font-size: 2rem;
  font-weight: 900;
  z-index: 500;
  animation: comboPop 1.2s ease-out forwards;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  pointer-events: none;
}

/* --- Flash Overlay --- */
.flash-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 998;
  animation: flash 0.3s ease-out forwards;
}
.flash-overlay.correct { background: rgba(39,174,96,0.15); }
.flash-overlay.wrong { background: rgba(231,76,60,0.15); }

/* =====================
   GAME-SPECIFIC STYLES
   ===================== */

/* --- Quiz Game --- */
.quiz-question-card {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-md);
  animation: popIn 0.3s ease;
}

.quiz-question-type {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  background: var(--game-quiz);
  margin-bottom: 12px;
}

.quiz-question-text {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.6;
  word-break: keep-all;
  white-space: pre-line;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--card-bg);
  color: var(--text-primary);
  border: 2px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font-family: inherit;
  font-size: 0.95rem;
  width: 100%;
}
[data-theme="dark"] .quiz-option {
  border-color: rgba(255,255,255,0.08);
}

.quiz-option:hover:not(.disabled) {
  border-color: var(--game-quiz);
  background: var(--card-bg-hover);
  transform: translateY(-1px);
}

.quiz-option .option-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background: rgba(0,0,0,0.05);
  font-weight: 800;
  font-size: 0.8rem;
  flex-shrink: 0;
}
[data-theme="dark"] .quiz-option .option-label {
  background: rgba(255,255,255,0.08);
}

.quiz-option.correct {
  border-color: var(--correct);
  background: var(--correct-light);
  animation: pulse 0.6s ease;
}
.quiz-option.correct .option-label {
  background: var(--correct);
  color: white;
}

.quiz-option.wrong {
  border-color: var(--wrong);
  background: var(--wrong-light);
  animation: shake 0.4s ease;
}
.quiz-option.wrong .option-label {
  background: var(--wrong);
  color: white;
}

.quiz-option.disabled {
  pointer-events: none;
  opacity: 0.6;
}

.quiz-explanation {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--game-quiz);
  animation: slideUp 0.3s ease;
  margin-bottom: 16px;
}

.quiz-explanation h4 {
  font-size: 0.85rem;
  color: var(--game-quiz);
  margin-bottom: 8px;
}

.quiz-explanation p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
  word-break: keep-all;
}

.quiz-next-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--game-quiz), var(--game-quiz-dark));
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.quiz-next-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Card Match Game --- */
.card-match-grid {
  display: grid;
  gap: 10px;
  max-width: 400px;
  margin: 0 auto;
  perspective: 800px;
}
.card-match-grid.grid-3x2 { grid-template-columns: repeat(3, 1fr); }
.card-match-grid.grid-4x3 { grid-template-columns: repeat(4, 1fr); }
.card-match-grid.grid-4x4 { grid-template-columns: repeat(4, 1fr); }

.match-card {
  aspect-ratio: 3/4;
  position: relative;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.5s ease;
}
.match-card.flipped { transform: rotateY(180deg); }
.match-card.matched {
  animation: matchPop 0.5s ease forwards;
  pointer-events: none;
}

.match-card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  word-break: keep-all;
  line-height: 1.3;
}

.match-card-front {
  background: linear-gradient(135deg, var(--game-card), var(--game-card-dark));
  color: white;
  font-size: 2rem;
  box-shadow: var(--shadow-sm);
}

.match-card-back {
  background: var(--card-bg);
  border: 2px solid var(--game-card);
  color: var(--text-primary);
  transform: rotateY(180deg);
  box-shadow: var(--shadow-md);
}

/* --- Typing Game --- */
/* 타이핑 - 문제 표시 영역 */
.typing-question-box {
  background: var(--card-bg);
  border: 2px solid rgba(231,76,60,0.2);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 12px;
  position: relative;
}
.typing-question-label {
  position: absolute;
  top: -10px;
  left: 16px;
  background: var(--game-typing);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
}
.typing-question-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
  word-break: keep-all;
  margin: 0;
  min-height: 2.4em;
}

/* 타이핑 - 낙하 아레나 */
.typing-arena {
  position: relative;
  height: 280px;
  background: linear-gradient(180deg, #0a0a2e 0%, #1a1a4e 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 12px;
}

.typing-scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.02) 2px,
    rgba(255,255,255,0.02) 4px
  );
  pointer-events: none;
}

/* 타이핑 - 낙하 블록 (첫글자 + ___) */
.typing-falling-block {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 28px;
  background: rgba(231,76,60,0.15);
  border: 2px solid rgba(231,76,60,0.5);
  border-radius: var(--radius-lg);
  color: #FFB3B3;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 6px;
  text-align: center;
  white-space: nowrap;
  text-shadow: 0 0 12px rgba(231,76,60,0.6);
  transition: none;
}
.typing-falling-block.correct-pop {
  color: var(--correct);
  border-color: var(--correct);
  text-shadow: 0 0 16px rgba(39,174,96,0.8);
  animation: matchPop 0.4s ease forwards;
}
.typing-falling-block.wrong-shake {
  color: var(--wrong);
  border-color: var(--wrong);
  animation: shake 0.4s ease;
}

/* 타이핑 - 입력 영역 */
.typing-input-area {
  display: flex;
  gap: 10px;
  align-items: center;
}

.typing-input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid rgba(231,76,60,0.3);
  border-radius: var(--radius-pill);
  background: rgba(0,0,0,0.3);
  color: #FFB3B3;
  font-size: 1.2rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 3px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.typing-input:focus {
  border-color: var(--game-typing);
  box-shadow: 0 0 16px rgba(231,76,60,0.3);
}
.typing-input::placeholder {
  color: rgba(255,179,179,0.4);
  letter-spacing: 0;
  font-weight: 400;
  font-size: 0.9rem;
}

.typing-hint {
  text-align: center;
  color: var(--wrong);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 8px;
  opacity: 0;
  transition: opacity 0.3s;
}
.typing-hint.visible {
  opacity: 1;
}

/* --- Swipe Game --- */
.swipe-container {
  position: relative;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.swipe-labels {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 16px;
}

.swipe-label {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  transition: opacity var(--transition-fast);
}
.swipe-label.left {
  background: rgba(52,152,219,0.15);
  color: var(--game-quiz);
}
.swipe-label.right {
  background: rgba(230,126,34,0.15);
  color: var(--game-hierarchy);
}

.swipe-card-stack {
  position: relative;
  width: 300px;
  min-height: 200px;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.swipe-card {
  position: absolute;
  width: 100%;
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  box-shadow: var(--shadow-lg);
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition: box-shadow var(--transition);
}
.swipe-card:active { cursor: grabbing; }

.swipe-card-term {
  font-size: 1.15rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  line-height: 1.4;
}

.swipe-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.7;
  word-break: keep-all;
}

.swipe-buttons {
  display: flex;
  gap: 20px;
  margin-top: 16px;
}

.swipe-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-pill);
  border: 2px solid;
  background: var(--card-bg);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.swipe-btn.left { border-color: var(--game-quiz); }
.swipe-btn.right { border-color: var(--game-hierarchy); }
.swipe-btn:hover { transform: scale(1.15); }

/* --- Connect Game --- */
.connect-guide {
  text-align: center;
  padding: 10px 16px;
  margin-bottom: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(155,89,182,0.08);
  border: 1px solid rgba(155,89,182,0.2);
  border-radius: var(--radius-md);
  transition: opacity 0.5s;
}
.connect-guide span {
  margin-right: 4px;
}
.connect-guide.fade-out {
  opacity: 0;
  pointer-events: none;
}

.connect-arena {
  position: relative;
  min-height: 400px;
  background: #0a0a2e;
  border-radius: var(--radius-xl);
  padding: 20px;
  overflow: hidden;
}

.connect-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.connect-star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  animation: sparkle 2s ease-in-out infinite;
}

.connect-columns {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}

.connect-column {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 42%;
}

.connect-item {
  padding: 10px 14px;
  background: rgba(155,89,182,0.15);
  border: 1px solid rgba(155,89,182,0.3);
  border-radius: var(--radius-md);
  color: #D5B3FF;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  word-break: keep-all;
}
.connect-item:hover {
  background: rgba(155,89,182,0.25);
  border-color: rgba(155,89,182,0.6);
  transform: scale(1.03);
}
.connect-item.selected {
  background: rgba(155,89,182,0.35);
  border-color: var(--game-connect);
  box-shadow: 0 0 12px rgba(155,89,182,0.4);
}
.connect-item.matched {
  background: rgba(39,174,96,0.2);
  border-color: var(--correct);
  color: #A3FFD6;
}

.connect-svg {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.connect-line {
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
}
.connect-line.correct {
  stroke: var(--correct);
  filter: drop-shadow(0 0 6px rgba(39,174,96,0.6));
}
.connect-line.wrong {
  stroke: var(--wrong);
  animation: fadeOut 0.5s ease forwards;
}
.connect-line.drawing {
  stroke: rgba(155,89,182,0.5);
  stroke-dasharray: 5 5;
}

/* --- Crossword Game --- */
.crossword-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.crossword-grid {
  display: inline-grid;
  gap: 2px;
  margin: 0 auto;
}

.crossword-cell {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.crossword-cell.empty {
  background: transparent;
}

.crossword-cell.active {
  background: var(--card-bg);
  border: 2px solid rgba(0,0,0,0.1);
  cursor: pointer;
}
[data-theme="dark"] .crossword-cell.active {
  border-color: rgba(255,255,255,0.1);
}

.crossword-cell.active.selected {
  border-color: var(--game-crossword);
  box-shadow: 0 0 8px rgba(26,188,156,0.4);
}

.crossword-cell.active.highlighted {
  background: rgba(26,188,156,0.1);
}

.crossword-cell.active.correct {
  background: var(--correct-light);
  border-color: var(--correct);
  color: var(--correct);
}
.crossword-cell.active.correct input { color: var(--correct); }

.crossword-cell.active.wrong {
  background: var(--wrong-light);
  border-color: var(--wrong);
}
.crossword-cell.active.wrong input { color: var(--wrong); }

.crossword-cell.active.revealed {
  background: rgba(255,255,255,0.05);
  border-color: var(--text-muted);
}
.crossword-cell.active.revealed input { color: var(--text-muted); }

.crossword-cell input {
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  text-align: center;
  font-size: inherit;
  font-weight: inherit;
  font-family: inherit;
  color: inherit;
  outline: none;
}

.crossword-cell .cell-number {
  position: absolute;
  top: 1px;
  left: 3px;
  font-size: 0.55rem;
  color: var(--text-muted);
}

.crossword-clues {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.crossword-clue-section h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--game-crossword);
  margin-bottom: 8px;
}

.crossword-clue {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 4px 0;
  line-height: 1.4;
  cursor: pointer;
}
.crossword-clue:hover { color: var(--game-crossword); }
.crossword-clue.active { color: var(--game-crossword); font-weight: 700; }
.crossword-clue.active-clue { color: var(--game-crossword); font-weight: 700; }

/* --- Hierarchy Game --- */
.hierarchy-tree {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  padding: 20px;
  min-height: 250px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}

.hierarchy-node {
  padding: 8px 14px;
  margin: 4px 0;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.hierarchy-node.fixed {
  background: rgba(230,126,34,0.1);
  border: 1px solid rgba(230,126,34,0.2);
  color: var(--game-hierarchy);
}

.hierarchy-node.dropzone {
  border: 2px dashed rgba(230,126,34,0.3);
  min-height: 36px;
  transition: all var(--transition-fast);
}
.hierarchy-node.dropzone.over {
  border-color: var(--game-hierarchy);
  background: rgba(230,126,34,0.1);
}

.hierarchy-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hierarchy-chip {
  padding: 8px 16px;
  background: var(--card-bg);
  border: 2px solid rgba(230,126,34,0.3);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: grab;
  transition: all var(--transition-fast);
  user-select: none;
}
.hierarchy-chip:hover {
  border-color: var(--game-hierarchy);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.hierarchy-chip.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

/* --- Timeline Game --- */
.timeline-container {
  max-width: 400px;
  margin: 0 auto;
}

.timeline-round-badge {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  background: var(--game-timeline);
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.timeline-title {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--game-timeline);
}

.timeline-items {
  position: relative;
  padding-left: 40px;
}

.timeline-items::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(41,128,185,0.2);
}

.timeline-item {
  position: relative;
  padding: 12px 16px;
  margin-bottom: 10px;
  background: var(--card-bg);
  border: 2px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-lg);
  cursor: grab;
  transition: all var(--transition-fast);
  user-select: none;
}
[data-theme="dark"] .timeline-item {
  border-color: rgba(255,255,255,0.08);
}

.timeline-item::before {
  content: attr(data-index);
  position: absolute;
  left: -34px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--game-timeline);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-item:hover {
  border-color: var(--game-timeline);
  transform: translateX(4px);
}
.timeline-item.dragging {
  opacity: 0.4;
  transform: scale(0.95);
}
.timeline-item.correct {
  border-color: var(--correct);
  background: var(--correct-light);
  color: #1a5632;
}
.timeline-item.wrong {
  border-color: var(--wrong);
  background: var(--wrong-light);
  color: #7a1b1b;
}

.timeline-item-text {
  font-size: 0.9rem;
  font-weight: 600;
}

.timeline-submit {
  text-align: center;
  margin-top: 20px;
}

/* =====================
   ANIMATIONS
   ===================== */

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes popIn {
  0% { transform: scale(0.5); opacity: 0; }
  70% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(39,174,96,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(39,174,96,0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@keyframes slideUp {
  0% { transform: translateY(20px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

@keyframes floatUp {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-60px) scale(0.8); }
}

@keyframes confettiDrop {
  0% { transform: translateY(-20px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

@keyframes comboPop {
  0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
  15% { transform: translate(-50%, -50%) scale(1.4); opacity: 1; }
  60% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
}

@keyframes flash {
  0% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes sparkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.5); }
}

@keyframes matchPop {
  0% { transform: rotateY(180deg) scale(1); opacity: 1; }
  50% { transform: rotateY(180deg) scale(1.1); }
  100% { transform: rotateY(180deg) scale(0); opacity: 0; }
}

@keyframes fadeOut {
  to { opacity: 0; }
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- Responsive --- */
@media (max-width: 400px) {
  html { font-size: 15px; }
  .page { padding: 0 14px 32px; }
  .game-grid { gap: 8px; }
  .game-card { padding: 16px 10px 14px; }
  .game-card-icon { font-size: 1.8rem; }
  .game-card-info h3 { font-size: 0.85rem; }
  .hero-title { font-size: 1.7rem; }
  .typing-arena { height: 220px; }
  .typing-falling-block { font-size: 1.3rem; letter-spacing: 4px; padding: 10px 20px; }
  .typing-question-text { font-size: 0.85rem; }
}

@media (min-width: 600px) {
  .page { padding: 0 32px 48px; }
  .game-grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 640px;
    margin: 0 auto 24px;
  }
  .home-hero { padding-top: 64px; }
  .stats-card { max-width: 640px; margin: 0 auto; }
  .exam-banner { max-width: 640px; margin: 0 auto 24px; }
}

/* ========================================
   실전문제 배너 & 안내
   ======================================== */

.exam-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  margin: 8px auto 24px;
  max-width: 640px;
  background: linear-gradient(135deg, var(--game-exam) 0%, var(--game-exam-dark) 100%);
  border-radius: 16px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 16px rgba(233, 30, 99, 0.25);
}
.exam-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(233, 30, 99, 0.35);
}
.exam-banner:active {
  transform: scale(0.98);
}
.exam-banner-icon {
  font-size: 2.4rem;
  flex-shrink: 0;
}
.exam-banner-info {
  flex: 1;
  min-width: 0;
}
.exam-banner-info h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 4px;
}
.exam-banner-info p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
  margin: 0 0 4px;
}
.exam-banner-meta {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.65);
}
.exam-banner-arrow {
  font-size: 1.5rem;
  color: rgba(255,255,255,0.8);
  flex-shrink: 0;
}

/* exam source badge in quiz */
.exam-source {
  background: var(--game-exam-light) !important;
  color: var(--game-exam-dark) !important;
}

/* exam setup info card */
.exam-info-card {
  background: var(--card-bg);
  border: 2px solid var(--game-exam-light);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}
.exam-info-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0 0 16px;
}
.exam-info-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.exam-info-details span {
  display: block;
}

/* Dark mode adjustments */
[data-theme="dark"] .exam-banner {
  box-shadow: 0 4px 16px rgba(233, 30, 99, 0.15);
}
[data-theme="dark"] .exam-info-card {
  border-color: rgba(233, 30, 99, 0.3);
}
[data-theme="dark"] .exam-source {
  background: rgba(233, 30, 99, 0.2) !important;
  color: #F8BBD0 !important;
}

/* --- English Study Game --- */
.english-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.english-direction-badge {
  display: inline-block;
  background: var(--game-english);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.english-prompt {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 8px 0 4px;
  word-break: keep-all;
}
.english-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}
.english-input-area {
  margin: 16px 0;
}
.english-input {
  width: 100%;
  max-width: 360px;
  padding: 14px 20px;
  font-size: 1.15rem;
  font-family: var(--font-family);
  border: 2px solid rgba(0, 188, 212, 0.3);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  color: var(--text-primary);
  text-align: center;
  outline: none;
  transition: border-color var(--transition-fast);
}
.english-input:focus {
  border-color: var(--game-english);
  box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.15);
}
.english-input.correct {
  border-color: var(--correct);
  background: var(--correct-light);
}
.english-input.wrong {
  border-color: var(--wrong);
  background: var(--wrong-light);
}
.english-submit-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-family);
  color: #fff;
  background: var(--game-english);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.english-submit-btn:hover {
  background: var(--game-english-dark);
  transform: translateY(-1px);
}
.english-submit-btn:disabled {
  opacity: 0.5;
  cursor: default;
  transform: none;
}
.english-answer-reveal {
  margin-top: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--correct);
}
.english-next-btn {
  display: inline-block;
  margin-top: 16px;
  padding: 12px 40px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-family);
  color: #fff;
  background: var(--game-english);
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.english-next-btn:hover {
  background: var(--game-english-dark);
  transform: translateY(-1px);
}
[data-theme="dark"] .english-input {
  border-color: rgba(0, 188, 212, 0.4);
}
[data-theme="dark"] .english-input.correct {
  background: rgba(39, 174, 96, 0.15);
}
[data-theme="dark"] .english-input.wrong {
  background: rgba(231, 76, 60, 0.15);
}