/* ============================================================
   xyx.duduyuncang.top 休闲小游戏平台 - 全新皮肤
   亮/暗双主题 via CSS 变量 + body[data-theme]
   配色参考对标站(橙蓝)但更清新: 圆角卡片 + 柔和阴影
   ============================================================ */

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

:root {
  /* 亮色主题 (默认) */
  --primary-color: #ff6b35;
  --secondary-color: #4a90e2;
  --bg-color: #f7f8fa;
  --text-color: #333;
  --text-muted: #999;
  --border-color: #e5e7eb;
  --card-bg: #ffffff;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);
  --nav-bg: #ffffff;
  --header-bg: #ffffff;
  --footer-bg: #ffffff;
  --radius: 14px;
}

body[data-theme="dark"] {
  --bg-color: #14141f;
  --text-color: #e0e0e0;
  --text-muted: #8892a4;
  --border-color: #2a2a3e;
  --card-bg: #1c1c2e;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.4);
  --nav-bg: #1a1a2e;
  --header-bg: #1a1a2e;
  --footer-bg: #1a1a2e;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}

.header-c { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ---------- 顶栏 ---------- */
.header-top {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo { display: flex; align-items: baseline; gap: 8px; cursor: pointer; }

.logo-text {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

.logo-sub { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

.search-box { display: flex; flex: 0 1 420px; }

.search-input {
  flex: 1;
  padding: 9px 16px;
  border: 2px solid var(--border-color);
  border-right: none;
  border-radius: 20px 0 0 20px;
  font-size: 14px;
  outline: none;
  background: var(--card-bg);
  color: var(--text-color);
  transition: border-color 0.2s;
}

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

.search-btn {
  padding: 9px 20px;
  background: linear-gradient(135deg, var(--primary-color), #ff8c42);
  color: #fff;
  border: none;
  border-radius: 0 20px 20px 0;
  font-size: 14px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.search-btn:hover { opacity: 0.9; }

.theme-switch {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  cursor: pointer;
  font-size: 18px;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.theme-switch:hover { transform: scale(1.1); }

/* ---------- 分类导航 ---------- */
.category-nav-wrap {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border-color);
}

.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 0;
}

.category-btn {
  padding: 5px 14px;
  border: none;
  border-radius: 16px;
  background: transparent;
  color: var(--text-color);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.category-btn:hover { background: rgba(255, 107, 53, 0.1); color: var(--primary-color); }

.category-btn.active {
  background: linear-gradient(135deg, var(--primary-color), #ff8c42);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.35);
}

/* ---------- 排序 Tab ---------- */
.main-content { padding: 20px 0 40px; }

.games-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.games-tab-btn {
  padding: 8px 22px;
  border: 2px solid var(--border-color);
  border-radius: 20px;
  background: var(--card-bg);
  color: var(--text-color);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

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

.games-tab-btn.active {
  background: linear-gradient(135deg, var(--primary-color), #ff8c42);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.35);
}

.games-count {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-muted);
}

.games-count b { color: var(--primary-color); }

/* ---------- 游戏网格 ---------- */
.game-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
}

.game-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 12px 8px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
}

.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 107, 53, 0.3);
}

.game-icon {
  width: 100%;
  aspect-ratio: 1;
  max-width: 84px;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
  background-color: #f0f0f0;
  margin-bottom: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  position: relative;
}

body[data-theme="dark"] .game-icon { background-color: #2a2a3e; }

.game-icon .hot-tag, .game-icon .new-tag {
  position: absolute;
  top: -4px;
  left: -4px;
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  z-index: 2;
}

.hot-tag { background: #ff4444; }
.new-tag { background: #4caf50; }

.game-title {
  font-size: 12px;
  color: var(--text-color);
  text-align: center;
  line-height: 1.4;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-all;
}

.game-hint {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text-color);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

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

.page-btn.active {
  background: linear-gradient(135deg, var(--primary-color), #ff8c42);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

.page-btn.disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- 空状态 ---------- */
.empty-state {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
  font-size: 16px;
}

.empty-state .empty-sub { font-size: 13px; margin-top: 8px; }

/* ---------- 播放器 ---------- */
.game-container {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #000;
  flex-direction: column;
}

.game-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: #1a1a2e;
  color: #fff;
  z-index: 2;
}

.game-header h3 {
  flex: 1;
  font-size: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.game-fullscreen-btn, .close-btn {
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}

.game-fullscreen-btn:hover, .close-btn:hover { background: rgba(255, 255, 255, 0.25); }

.close-btn { font-size: 22px; }

.game-content-wrapper {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
}

#game-frame {
  flex: 1;
  width: 100%;
  border: none;
}

/* 全屏模式: 隐藏头部, 沉浸式 */
.game-container.fullscreen-active .game-header { display: none; }

/* ---------- 移动端底部导航 ---------- */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--nav-bg);
  border-top: 1px solid var(--border-color);
  z-index: 99;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0 6px;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-icon { font-size: 20px; }
.nav-text { font-size: 11px; margin-top: 2px; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
  text-align: center;
  margin-bottom: 50px;
}

.site-footer p { font-size: 12px; color: var(--text-muted); line-height: 1.8; }

/* ============================================================
   响应式
   ============================================================ */

/* 中等屏幕: 6列 */
@media (max-width: 1200px) {
  .game-grid { grid-template-columns: repeat(6, 1fr); }
}

/* 平板: 5列 */
@media (max-width: 1024px) {
  .game-grid { grid-template-columns: repeat(5, 1fr); }
  .search-box { flex: 0 1 300px; }
}

/* 移动端: 5列圆形小图标 + 底部导航 + 横滑分类 */
@media (max-width: 768px) {
  .header-top-inner { padding: 8px 12px; gap: 10px; }
  .logo-text { font-size: 17px; }
  .logo-sub { display: none; }
  .search-box { flex: 1; }
  .search-input { padding: 7px 12px; font-size: 13px; }
  .search-btn { padding: 7px 14px; font-size: 13px; }

  .category-nav-wrap {
    position: sticky;
    top: 59px;
    z-index: 99;
  }

  .category-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 6px 8px;
    scrollbar-width: none;
  }

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

  .category-btn { padding: 4px 12px; font-size: 12px; flex-shrink: 0; }

  .main-content { padding: 12px 0 30px; }
  .content-layout { padding: 0 8px; }

  .games-tabs { gap: 8px; margin-bottom: 10px; }
  .games-tab-btn { padding: 6px 14px; font-size: 13px; }
  .games-count { font-size: 11px; }

  .game-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
  }

  .game-card { padding: 6px 4px; border-radius: 10px; }

  .game-icon {
    max-width: 56px;
    border-radius: 50%;
    margin-bottom: 4px;
  }

  .game-title { font-size: 9px; line-height: 1.3; -webkit-line-clamp: 1; }
  .game-hint { display: none; }

  .bottom-nav { display: flex; }
  .site-footer { margin-bottom: 54px; }
}

/* 小屏手机: 4列 */
@media (max-width: 380px) {
  .game-grid { grid-template-columns: repeat(4, 1fr); }
}