/* ============================================
   阿奇游戏厅 - 复古像素风格
   ============================================ */

/* CSS变量 */
:root {
  --bg-main: #1a0b2e;
  --bg-secondary: #2d1b4e;
  --bg-card: #3d2b5e;
  --color-primary: #39ff14;
  --color-secondary: #ff2e88;
  --color-gold: #ffd700;
  --color-blue: #00d4ff;
  --color-orange: #ff8c00;
  --text-main: #ffffff;
  --text-dim: #b0a0c0;
  --border-color: #5a3a8a;
  --shadow-glow: 0 0 10px rgba(57, 255, 20, 0.3);
  --font-pixel: 'Press Start 2P', monospace;
  --font-body: 'VT323', monospace;
  --nav-height: 60px;
  --nav-bottom-height: 56px;
}

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

html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  background: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

/* CRT扫描线效果 */
.crt-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9999;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.08) 50%);
  background-size: 100% 3px;
  animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
  0% { background-position: 0 0; }
  100% { background-position: 0 100%; }
}

/* ============ 导航栏 ============ */
.nav-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(57, 255, 20, 0.15);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.nav-logo span {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-primary);
  text-shadow: 0 0 8px rgba(57, 255, 20, 0.5);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 2px solid transparent;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 18px;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}

.nav-btn:hover, .nav-btn.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  text-shadow: 0 0 6px rgba(57, 255, 20, 0.4);
}

.nav-user .nav-btn {
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
}

.nav-user .nav-btn:hover {
  background: var(--color-secondary);
  color: var(--bg-main);
}

.nav-user .nav-btn.wallet-connected {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(57, 255, 20, 0.1);
}

.nav-user .nav-btn {
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
}

.nav-user .nav-btn:hover {
  background: var(--color-secondary);
  color: var(--bg-main);
}

.wallet-option-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-gold);
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.3);
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 4px;
}

.wallet-option-main {
  border-color: rgba(57, 255, 20, 0.3);
}

.wallet-option-main:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.15);
}

/* 钱包弹窗 */
.modal-desc {
  font-size: 16px;
  color: var(--text-dim);
  margin-bottom: 20px;
  line-height: 1.5;
}

.wallet-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.wallet-option-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  padding: 14px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s;
  text-align: left;
}

.wallet-option-btn:hover {
  border-color: var(--color-primary);
  background: rgba(57, 255, 20, 0.05);
}

.wallet-option-icon {
  flex-shrink: 0;
}

.wallet-option-name {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--text-main);
  margin-bottom: 2px;
}

.wallet-option-desc {
  font-size: 14px;
  color: var(--text-dim);
}

.wallet-safety {
  background: rgba(57, 255, 20, 0.05);
  border: 1px solid rgba(57, 255, 20, 0.2);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 16px;
}

.wallet-safety-item {
  font-size: 14px;
  color: var(--text-dim);
  padding: 3px 0;
}

.wallet-link {
  text-decoration: none;
}

.wallet-info-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 16px;
}

.wallet-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
}

.wallet-info-label {
  font-size: 16px;
  color: var(--text-dim);
}

.wallet-info-value {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--text-main);
}

/* 底部导航 */
.nav-bottom {
  display: none;
}

/* ============ 主内容 ============ */
.main-content {
  padding-top: var(--nav-height);
  padding-bottom: 20px;
  min-height: 100vh;
}

.page {
  display: none;
  animation: pageIn 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ Hero区 ============ */
.hero {
  position: relative;
  text-align: center;
  padding: 60px 20px 40px;
  overflow: hidden;
}

.hero-pixel-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(57, 255, 20, 0.1), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 46, 136, 0.1), transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-family: var(--font-pixel);
  font-size: 32px;
  color: var(--color-primary);
  text-shadow: 
    0 0 10px rgba(57, 255, 20, 0.5),
    3px 3px 0 var(--color-secondary);
  margin-bottom: 12px;
  animation: heroFlicker 3s infinite;
}

@keyframes heroFlicker {
  0%, 100% { text-shadow: 0 0 10px rgba(57, 255, 20, 0.5), 3px 3px 0 var(--color-secondary); }
  50% { text-shadow: 0 0 20px rgba(57, 255, 20, 0.8), 3px 3px 0 var(--color-secondary); }
}

.hero-subtitle {
  font-size: 22px;
  color: var(--text-dim);
  margin-bottom: 30px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-pixel);
  font-size: 24px;
  color: var(--color-gold);
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.4);
}

.stat-label {
  display: block;
  font-size: 16px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* ============ 筛选搜索 ============ */
.filter-section {
  padding: 0 20px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 20px;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.search-input::placeholder {
  color: var(--text-dim);
}

.filter-tags {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.filter-tag {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 18px;
  padding: 6px 16px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}

.filter-tag:hover, .filter-tag.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(57, 255, 20, 0.1);
}

/* ============ 游戏卡片墙 ============ */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  padding: 0 20px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.game-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.game-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 4px 20px rgba(57, 255, 20, 0.2);
}

.game-card:active {
  transform: translateY(-2px);
}

.game-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.game-card-title {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 6px;
  line-height: 1.6;
}

.game-card-category {
  text-align: center;
  font-size: 16px;
  color: var(--text-dim);
}

.game-card-highscore {
  text-align: center;
  font-size: 16px;
  color: var(--color-gold);
  margin-top: 8px;
  min-height: 20px;
}

/* ============ 排行榜 ============ */
.home-leaderboard, .leaderboard-table {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

.section-title {
  font-family: var(--font-pixel);
  font-size: 16px;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 24px;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.page-title {
  padding-top: 30px;
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.leaderboard-item {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 20px;
}

.leaderboard-item.top1 { border-color: var(--color-gold); }
.leaderboard-item.top2 { border-color: #c0c0c0; }
.leaderboard-item.top3 { border-color: #cd7f32; }

.leaderboard-rank {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-gold);
  text-align: center;
}

.leaderboard-name {
  color: var(--text-main);
}

.leaderboard-score {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-primary);
}

.leaderboard-game {
  font-size: 16px;
  color: var(--text-dim);
  margin-top: 2px;
}

/* 排行榜页tabs */
.leaderboard-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
  padding: 0 20px;
}

.leaderboard-tab {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}

.leaderboard-tab:hover, .leaderboard-tab.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.leaderboard-empty {
  text-align: center;
  color: var(--text-dim);
  font-size: 20px;
  padding: 40px;
}

/* ============ 成就系统 ============ */
.achievements-progress {
  max-width: 800px;
  margin: 0 auto 30px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.progress-bar {
  flex: 1;
  height: 20px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  border-radius: 8px;
  transition: width 0.5s;
  width: 0%;
}

.progress-text {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--color-gold);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

.achievement-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: all 0.2s;
}

.achievement-card.unlocked {
  border-color: var(--color-gold);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.15);
}

.achievement-card.unlocked .achievement-icon {
  filter: none;
}

.achievement-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
  filter: grayscale(1) opacity(0.4);
}

.achievement-info {
  flex: 1;
}

.achievement-name {
  font-family: var(--font-pixel);
  font-size: 11px;
  color: var(--text-main);
  margin-bottom: 4px;
  line-height: 1.5;
}

.achievement-card.unlocked .achievement-name {
  color: var(--color-gold);
}

.achievement-desc {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.3;
}

.achievement-status {
  font-size: 14px;
  color: var(--color-primary);
  margin-top: 4px;
}

.achievement-card:not(.unlocked) .achievement-status {
  color: var(--text-dim);
}

/* ============ 成就弹窗 ============ */
.achievement-popup {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-200%);
  z-index: 200;
  background: var(--bg-secondary);
  border: 2px solid var(--color-gold);
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}

.achievement-popup.show {
  transform: translateX(-50%) translateY(0);
}

.achievement-popup-content {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
}

.achievement-popup-icon svg {
  filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.5));
}

.achievement-popup-label {
  font-family: var(--font-pixel);
  font-size: 10px;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.achievement-popup-name {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--text-main);
  margin-bottom: 4px;
}

.achievement-popup-desc {
  font-size: 16px;
  color: var(--text-dim);
}

/* ============ 游戏页 ============ */
.game-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  flex-wrap: wrap;
  max-width: 600px;
  margin: 0 auto;
}

.game-title {
  font-family: var(--font-pixel);
  font-size: 16px;
  color: var(--color-primary);
  flex: 1;
  text-align: center;
}

.game-score-bar {
  display: flex;
  gap: 16px;
}

.score-display {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--text-main);
}

.score-display span {
  color: var(--color-gold);
}

.game-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.game-canvas {
  background: var(--bg-main);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  image-rendering: pixelated;
  touch-action: none;
}

.game-instructions {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px 40px;
  font-size: 18px;
  color: var(--text-dim);
  line-height: 1.5;
}

.game-instructions h3 {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--color-primary);
  margin-bottom: 10px;
  margin-top: 16px;
}

.game-instructions ul {
  list-style: none;
  padding: 0;
}

.game-instructions li {
  padding: 4px 0;
}

.game-instructions li::before {
  content: "▶ ";
  color: var(--color-primary);
}

/* ============ 按钮样式 ============ */
.pixel-btn {
  background: var(--color-primary);
  color: var(--bg-main);
  border: 2px solid var(--color-primary);
  font-family: var(--font-pixel);
  font-size: 12px;
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
  text-transform: uppercase;
}

.pixel-btn:hover {
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.5);
}

.pixel-btn:active {
  transform: scale(0.95);
}

.pixel-btn-secondary {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border-color);
}

.pixel-btn-small {
  font-size: 10px;
  padding: 6px 12px;
}

/* 游戏内按钮 */
.game-btn {
  background: var(--color-primary);
  color: var(--bg-main);
  border: none;
  font-family: var(--font-pixel);
  font-size: 10px;
  padding: 10px 16px;
  cursor: pointer;
  border-radius: 4px;
  margin: 4px;
  transition: all 0.15s;
}

.game-btn:hover { box-shadow: 0 0 10px rgba(57, 255, 20, 0.5); }
.game-btn:active { transform: scale(0.95); }

.game-btn.secondary {
  background: transparent;
  color: var(--text-dim);
  border: 2px solid var(--border-color);
}

.game-btn.wide { width: 100%; }

/* ============ 弹窗 ============ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 150;
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 2px solid var(--color-primary);
  border-radius: 8px;
  padding: 30px;
  max-width: 400px;
  width: 90%;
  text-align: center;
}

.modal-title {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.pixel-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-main);
  border: 2px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 20px;
  border-radius: 4px;
  outline: none;
  text-align: center;
  margin-bottom: 20px;
}

.pixel-input:focus {
  border-color: var(--color-primary);
}

.modal-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ============ Toast ============ */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-secondary);
  border: 2px solid var(--color-primary);
  color: var(--text-main);
  font-size: 18px;
  padding: 12px 24px;
  border-radius: 6px;
  z-index: 200;
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============ 游戏内通用样式 ============ */
.game-area {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.game-status {
  font-family: var(--font-pixel);
  font-size: 12px;
  color: var(--color-gold);
  text-align: center;
}

.game-over-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(26, 11, 46, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  border-radius: 4px;
}

.game-over-overlay.show {
  display: flex;
}

.game-over-title {
  font-family: var(--font-pixel);
  font-size: 18px;
  color: var(--color-secondary);
  text-shadow: 0 0 10px rgba(255, 46, 136, 0.5);
}

.game-over-score {
  font-family: var(--font-pixel);
  font-size: 14px;
  color: var(--color-gold);
}

.game-grid {
  display: grid;
  gap: 2px;
  background: var(--bg-secondary);
  padding: 4px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
}

/* 选项按钮（猜谜游戏用） */
.guess-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
  max-width: 400px;
  margin-top: 16px;
}

.guess-option {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 20px;
  padding: 14px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s;
  text-align: center;
}

.guess-option:hover {
  border-color: var(--color-primary);
  background: rgba(57, 255, 20, 0.1);
}

.guess-option.correct {
  border-color: var(--color-primary);
  background: rgba(57, 255, 20, 0.2);
  color: var(--color-primary);
}

.guess-option.wrong {
  border-color: var(--color-secondary);
  background: rgba(255, 46, 136, 0.2);
  color: var(--color-secondary);
}

.guess-question {
  text-align: center;
  font-size: 28px;
  margin: 20px 0;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.guess-feedback {
  text-align: center;
  font-family: var(--font-pixel);
  font-size: 12px;
  margin: 12px 0;
  min-height: 20px;
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
  :root {
    --nav-height: 56px;
  }

  .nav-bar {
    padding: 0 12px;
  }

  .nav-links {
    display: none;
  }

  .nav-logo span {
    font-size: 11px;
  }

  /* 底部导航显示 */
  .nav-bottom {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: var(--nav-bottom-height);
    background: var(--bg-secondary);
    border-top: 2px solid var(--color-primary);
    justify-content: space-around;
    align-items: center;
    z-index: 100;
  }

  .nav-bottom .nav-btn {
    padding: 8px;
    border: none;
  }

  .nav-bottom .nav-btn.active {
    color: var(--color-primary);
  }

  .nav-bottom .nav-btn.active::before {
    content: "";
    position: absolute;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
  }

  .main-content {
    padding-bottom: var(--nav-bottom-height);
  }

  .hero-title { font-size: 22px; }
  .hero-subtitle { font-size: 18px; }
  .hero-stats { gap: 24px; }
  .stat-num { font-size: 18px; }
  .stat-label { font-size: 14px; }

  .games-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    padding: 0 12px 20px;
  }

  .game-card-icon { width: 52px; height: 52px; font-size: 28px; }
  .game-card-title { font-size: 10px; }

  .game-title { font-size: 12px; }

  .guess-options { grid-template-columns: 1fr; }

  .achievements-grid {
    grid-template-columns: 1fr;
  }

  .filter-tags { gap: 6px; }
  .filter-tag { font-size: 16px; padding: 4px 12px; }
}

@media (min-width: 769px) {
  .nav-bottom { display: none; }
}

/* ============ 动画 ============ */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

@keyframes popIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-shake { animation: shake 0.3s; }
.animate-pop { animation: popIn 0.3s; }
.animate-pulse { animation: pulse 1s infinite; }

/* 猜谜游戏图片区 */
.guess-image {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 64px;
}

/* 找不同游戏 */
.spot-diff-canvas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
}

.spot-diff-panel {
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  position: relative;
  cursor: crosshair;
  overflow: hidden;
}

.spot-diff-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

/* 连连看游戏 */
.lianliankan-grid {
  display: grid;
  gap: 2px;
  background: var(--bg-secondary);
  padding: 4px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  margin: 0 auto;
}

.llk-cell {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: 3px;
  transition: all 0.15s;
}

.llk-cell:hover { border-color: var(--border-color); }
.llk-cell.selected {
  border-color: var(--color-primary);
  background: rgba(57, 255, 20, 0.2);
}
.llk-cell.empty {
  background: transparent;
  cursor: default;
}

/* 消消乐游戏 */
.match3-grid {
  display: grid;
  gap: 2px;
  background: var(--bg-secondary);
  padding: 4px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  margin: 0 auto;
  touch-action: none;
}

.match3-cell {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
}

.match3-cell:hover { transform: scale(1.05); }
.match3-cell.selected {
  box-shadow: 0 0 0 2px var(--color-primary);
}
.match3-cell.removing {
  animation: popIn 0.3s reverse;
}

/* 跳一跳蓄力条 */
.jump-power-bar {
  width: 200px;
  height: 20px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  margin: 12px auto;
}

.jump-power-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold), var(--color-secondary));
  transition: width 0.05s linear;
}

/* 跑酷游戏 */
.runner-lane {
  position: relative;
  width: 100%;
  max-width: 400px;
  height: 300px;
  background: linear-gradient(180deg, var(--bg-main), var(--bg-secondary));
  border: 2px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

/* 数字键盘（猜谜输入用） */
.guess-input-area {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 400px;
  margin-top: 12px;
}

.guess-input {
  flex: 1;
  padding: 12px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 20px;
  border-radius: 6px;
  outline: none;
  text-align: center;
}

.guess-input:focus { border-color: var(--color-primary); }

/* 可滚动容器 */
.scrollable {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* 提示文字 */
.hint-text {
  text-align: center;
  font-size: 16px;
  color: var(--text-dim);
  margin: 8px 0;
}

/* 像素边框装饰 */
.pixel-border {
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  padding: 12px;
  position: relative;
}

.pixel-border::before,
.pixel-border::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
}

.pixel-border::before { top: -4px; left: -4px; }
.pixel-border::after { bottom: -4px; right: -4px; }

/* 加载动画 */
.loading-dots {
  display: flex;
  gap: 6px;
  justify-content: center;
  padding: 20px;
}

.loading-dots span {
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 1s infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }