/* ===================== 基础重置 ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:    #0a1e2e;
  --bg-dark:    #0f2a3d;
  --bg-mid:     #1a3a5c;
  --bg-light:   #1e4a72;
  --gold:       #c8a84b;
  --gold-light: #e8c96a;
  --gold-dark:  #a07830;
  --text-white: #e8e0d0;
  --text-gold:  #ddb84a;
  --text-dim:   #8a9ab0;
  --red:        #cc3333;
  --green:      #2a8a3a;
  --shadow:     rgba(0,0,0,0.6);
  --card-w:     46px;
  --card-h:     68px;

  /* 背景光晕（用于首页/房间/游戏页的渐变叠加） */
  --bg-glow-1: rgba(26,60,100,0.40);
  --bg-glow-2: rgba(20,50,80,0.30);

  /* 弹窗/面板（规则、背景设置、Bug反馈等） */
  --panel-overlay: rgba(0,0,0,0.75);
  --panel-bg: rgba(10,25,40,0.96);
  --panel-border: rgba(200,168,75,0.35);
  --panel-divider: rgba(200,168,75,0.2);
  --panel-shadow: rgba(0,0,0,0.75);
  --panel-title: var(--gold-light);
  --panel-text: rgba(255,255,255,0.9);
  --panel-dim: rgba(255,255,255,0.55);
  --panel-field-bg: rgba(255,255,255,0.06);
  --panel-field-border: rgba(200,168,75,0.25);
  --panel-btn-bg: rgba(200,168,75,0.12);
  --panel-btn-border: rgba(200,168,75,0.45);

  /* 游戏桌面（game.html）区域配色 */
  --table-bg: radial-gradient(ellipse at center, #0c2235 0%, #060f18 100%);
  --table-surface-1: rgba(8,20,34,0.78);   /* 顶部/底部区域 */
  --table-surface-2: rgba(8,20,34,0.60);   /* 左右区域 */
  --table-border: rgba(200,168,75,0.15);
  --table-border-strong: rgba(200,168,75,0.2);

  /* 座位牌（room.html） */
  --seat-bg: linear-gradient(160deg, #1a3050, #102030);
  --seat-border: rgba(200,168,75,0.4);
  --seat-shadow: rgba(0,0,0,0.45);
  --seat-avatar-bg: linear-gradient(135deg, #2a5a8a, #1a3a6a);

  /* 顶部提示（通知） */
  --notif-info-bg: rgba(20,80,140,0.95);
  --notif-info-border: rgba(200,168,75,0.55);
  --notif-info-text: var(--text-white);
  --notif-success-bg: rgba(20,100,40,0.95);
  --notif-success-border: rgba(74,154,74,0.95);
  --notif-success-text: #ffffff;
  --notif-error-bg: rgba(140,20,20,0.95);
  --notif-error-border: rgba(170,68,68,0.95);
  --notif-error-text: #ffffff;
}

/* ===================== 主题（背景设置） ===================== */
/* 默认即深色模式：保持当前配色 */
html[data-theme="dark"], body[data-theme="dark"] { color-scheme: dark; }

/* 浅色模式：奶白背景 + 黑字 */
html[data-theme="light"], body[data-theme="light"] {
  color-scheme: light;
  --bg-deep:    #f6f1e6;  /* 奶白 */
  --bg-dark:    #f3ecdd;
  --bg-mid:     #efe6d2;
  --bg-light:   #f9f4ea;
  --shadow:     rgba(0,0,0,0.25);

  --text-white: #111111; /* 页面主文字变量复用为黑字 */
  --text-dim:   rgba(0,0,0,0.62);
  /* 浅色模式要求：页面字体全部黑色 */
  --text-gold:  #111111;
  --gold-light: #111111;

  --panel-overlay: rgba(0,0,0,0.35);
  --panel-bg: rgba(255,255,255,0.92);
  --panel-border: rgba(0,0,0,0.18);
  --panel-divider: rgba(0,0,0,0.12);
  --panel-shadow: rgba(0,0,0,0.25);
  --panel-title: #111111;
  --panel-text: #111111;
  --panel-dim: rgba(0,0,0,0.62);
  --panel-field-bg: rgba(0,0,0,0.04);
  --panel-field-border: rgba(0,0,0,0.18);
  --panel-btn-bg: rgba(0,0,0,0.06);
  --panel-btn-border: rgba(0,0,0,0.22);

  --bg-glow-1: rgba(180,150,60,0.16);
  --bg-glow-2: rgba(120,90,20,0.10);

  --table-bg: var(--bg-deep);
  --table-surface-1: rgba(255,255,255,0.78);
  --table-surface-2: rgba(255,255,255,0.64);
  --table-border: rgba(0,0,0,0.12);
  --table-border-strong: rgba(0,0,0,0.14);

  --seat-bg: rgba(255,255,255,0.82);
  --seat-border: rgba(0,0,0,0.18);
  --seat-shadow: rgba(0,0,0,0.18);
  --seat-avatar-bg: rgba(0,0,0,0.06);

  --notif-info-bg: rgba(255,255,255,0.94);
  --notif-info-border: rgba(0,0,0,0.18);
  --notif-info-text: #111111;
  --notif-success-bg: rgba(232,255,235,0.94);
  --notif-success-border: rgba(0,0,0,0.18);
  --notif-success-text: #111111;
  --notif-error-bg: rgba(255,238,238,0.94);
  --notif-error-border: rgba(0,0,0,0.18);
  --notif-error-text: #111111;
}

/* 护眼模式：浅绿色背景 + 黑字 */
html[data-theme="eye"], body[data-theme="eye"] {
  color-scheme: light;
  --bg-deep:    #dff1dc;  /* 浅绿 */
  --bg-dark:    #d3ebd0;
  --bg-mid:     #c7e4c4;
  --bg-light:   #e8f6e5;
  --shadow:     rgba(0,0,0,0.25);

  --text-white: #111111;
  --text-dim:   rgba(0,0,0,0.62);
  /* 护眼模式要求：页面字体全部黑色 */
  --text-gold:  #111111;
  --gold-light: #111111;

  --panel-overlay: rgba(0,0,0,0.35);
  --panel-bg: rgba(232,246,229,0.92);
  --panel-border: rgba(0,0,0,0.18);
  --panel-divider: rgba(0,0,0,0.12);
  --panel-shadow: rgba(0,0,0,0.25);
  --panel-title: #111111;
  --panel-text: #111111;
  --panel-dim: rgba(0,0,0,0.62);
  --panel-field-bg: rgba(0,0,0,0.04);
  --panel-field-border: rgba(0,0,0,0.18);
  --panel-btn-bg: rgba(0,0,0,0.06);
  --panel-btn-border: rgba(0,0,0,0.22);

  --bg-glow-1: rgba(70,140,80,0.14);
  --bg-glow-2: rgba(40,110,60,0.10);

  --table-bg: var(--bg-deep);
  --table-surface-1: rgba(232,246,229,0.82);
  --table-surface-2: rgba(232,246,229,0.66);
  --table-border: rgba(0,0,0,0.12);
  --table-border-strong: rgba(0,0,0,0.14);

  --seat-bg: rgba(232,246,229,0.86);
  --seat-border: rgba(0,0,0,0.18);
  --seat-shadow: rgba(0,0,0,0.18);
  --seat-avatar-bg: rgba(0,0,0,0.06);

  --notif-info-bg: rgba(232,246,229,0.94);
  --notif-info-border: rgba(0,0,0,0.18);
  --notif-info-text: #111111;
  --notif-success-bg: rgba(232,255,235,0.94);
  --notif-success-border: rgba(0,0,0,0.18);
  --notif-success-text: #111111;
  --notif-error-bg: rgba(255,238,238,0.94);
  --notif-error-border: rgba(0,0,0,0.18);
  --notif-error-text: #111111;
}

/* 淡黄色模式：浅黄背景 + 黑字 */
html[data-theme="yellow"], body[data-theme="yellow"] {
  color-scheme: light;
  --bg-deep:    #f6f0d8;  /* 淡黄 */
  --bg-dark:    #f1e9cc;
  --bg-mid:     #eee3c0;
  --bg-light:   #fbf6e6;
  --shadow:     rgba(0,0,0,0.25);

  --text-white: #111111;
  --text-dim:   rgba(0,0,0,0.62);
  --text-gold:  #111111;
  --gold-light: #111111;

  --panel-overlay: rgba(0,0,0,0.35);
  --panel-bg: rgba(251,246,230,0.94);
  --panel-border: rgba(0,0,0,0.18);
  --panel-divider: rgba(0,0,0,0.12);
  --panel-shadow: rgba(0,0,0,0.25);
  --panel-title: #111111;
  --panel-text: #111111;
  --panel-dim: rgba(0,0,0,0.62);
  --panel-field-bg: rgba(0,0,0,0.04);
  --panel-field-border: rgba(0,0,0,0.18);
  --panel-btn-bg: rgba(0,0,0,0.06);
  --panel-btn-border: rgba(0,0,0,0.22);

  --bg-glow-1: rgba(200,160,40,0.20);
  --bg-glow-2: rgba(160,120,20,0.12);

  --table-bg: var(--bg-deep);
  --table-surface-1: rgba(251,246,230,0.84);
  --table-surface-2: rgba(251,246,230,0.68);
  --table-border: rgba(0,0,0,0.12);
  --table-border-strong: rgba(0,0,0,0.14);

  --seat-bg: rgba(251,246,230,0.88);
  --seat-border: rgba(0,0,0,0.18);
  --seat-shadow: rgba(0,0,0,0.18);
  --seat-avatar-bg: rgba(0,0,0,0.06);

  --notif-info-bg: rgba(251,246,230,0.96);
  --notif-info-border: rgba(0,0,0,0.18);
  --notif-info-text: #111111;
  --notif-success-bg: rgba(232,255,235,0.94);
  --notif-success-border: rgba(0,0,0,0.18);
  --notif-success-text: #111111;
  --notif-error-bg: rgba(255,238,238,0.94);
  --notif-error-border: rgba(0,0,0,0.18);
  --notif-error-text: #111111;
}

/* 让浅色/护眼下的“牌桌/面板半透明底”更贴合背景 */
body[data-theme="light"] .page-home::before,
body[data-theme="light"] .page-room::before,
body[data-theme="light"] .page-game::before,
body[data-theme="eye"] .page-home::before,
body[data-theme="eye"] .page-room::before,
body[data-theme="eye"] .page-game::before,
body[data-theme="yellow"] .page-home::before,
body[data-theme="yellow"] .page-room::before,
body[data-theme="yellow"] .page-game::before {
  opacity: 0.55;
  filter: saturate(0.9);
}

/* 浅色/护眼下：尽量把“文字”统一为黑色系（按钮等也做兼容） */
body[data-theme="light"] .btn-play,
body[data-theme="eye"] .btn-play,
body[data-theme="yellow"] .btn-play,
body[data-theme="light"] .btn-ready,
body[data-theme="eye"] .btn-ready,
body[data-theme="yellow"] .btn-ready,
body[data-theme="light"] .btn-red,
body[data-theme="eye"] .btn-red,
body[data-theme="yellow"] .btn-red {
  color: #111;
  text-shadow: none;
}

body[data-theme="light"] .notification,
body[data-theme="eye"] .notification,
body[data-theme="yellow"] .notification {
  color: #111;
}

/* 兜底：浅色/护眼模式强制所有普通文本继承黑字（不改边框/背景） */
body[data-theme="light"] .page-home,
body[data-theme="light"] .page-room,
body[data-theme="light"] .page-game,
body[data-theme="eye"] .page-home,
body[data-theme="eye"] .page-room,
body[data-theme="eye"] .page-game,
body[data-theme="yellow"] .page-home,
body[data-theme="yellow"] .page-room,
body[data-theme="yellow"] .page-game {
  color: #111;
}

body[data-theme="light"] .page-home *,
body[data-theme="light"] .page-room *,
body[data-theme="light"] .page-game *,
body[data-theme="eye"] .page-home *,
body[data-theme="eye"] .page-room *,
body[data-theme="eye"] .page-game *,
body[data-theme="yellow"] .page-home *,
body[data-theme="yellow"] .page-room *,
body[data-theme="yellow"] .page-game * {
  color: inherit;
}

/* 少数元素可能带 text-shadow，浅色/护眼下关闭以提升黑字清晰度 */
body[data-theme="light"] .game-title,
body[data-theme="eye"] .game-title,
body[data-theme="light"] .room-number-big,
body[data-theme="eye"] .room-number-big {
  text-shadow: none;
}

/* 允许少量图标/徽章继续用颜色表达状态（非文字主体） */
body[data-theme="light"] .room-status-dot,
body[data-theme="eye"] .room-status-dot,
body[data-theme="light"] .turn-highlight,
body[data-theme="eye"] .turn-highlight {
  color: unset;
}

html, body {
  width: 100%; height: 100%;
  font-family: '微软雅黑', 'Microsoft YaHei', STXihei, sans-serif;
  color: var(--text-white);
  overflow: hidden;
}

/* ===================== 背景 ===================== */
.page-home, .page-room, .page-game {
  min-height: 100vh;
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse at 20% 50%, var(--bg-glow-1) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, var(--bg-glow-2) 0%, transparent 60%);
  position: relative;
}

/* 古典纹理背景 */
.page-home::before, .page-room::before, .page-game::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c8a84b' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* 浅色 / 护眼 / 淡黄：背景改为纯色（不使用渐变与纹理） */
body[data-theme="light"] .page-home,
body[data-theme="light"] .page-room,
body[data-theme="light"] .page-game,
body[data-theme="eye"] .page-home,
body[data-theme="eye"] .page-room,
body[data-theme="eye"] .page-game,
body[data-theme="yellow"] .page-home,
body[data-theme="yellow"] .page-room,
body[data-theme="yellow"] .page-game {
  background-image: none !important;
}

body[data-theme="light"] .page-home::before,
body[data-theme="light"] .page-room::before,
body[data-theme="light"] .page-game::before,
body[data-theme="eye"] .page-home::before,
body[data-theme="eye"] .page-room::before,
body[data-theme="eye"] .page-game::before,
body[data-theme="yellow"] .page-home::before,
body[data-theme="yellow"] .page-room::before,
body[data-theme="yellow"] .page-game::before {
  background-image: none !important;
}

/* ===================== 首页 ===================== */
.home-header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 30px 20px 20px;
  border-bottom: 1px solid rgba(200,168,75,0.3);
}

.game-title {
  font-size: 52px;
  font-weight: bold;
  letter-spacing: 20px;
  color: var(--gold-light);
  text-shadow: 0 0 30px rgba(200,168,75,0.8), 0 2px 4px rgba(0,0,0,0.8);
  margin-bottom: 8px;
}

.game-subtitle {
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 4px;
  margin-bottom: 20px;
}

.player-setup {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.player-setup input {
  padding: 8px 16px;
  border: 1px solid var(--gold-dark);
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
  color: var(--text-white);
  font-size: 15px;
  outline: none;
  width: 180px;
  transition: border-color 0.2s;
}

.player-setup input:focus { border-color: var(--gold-light); }
.player-setup input::placeholder { color: var(--text-dim); }

.current-name {
  color: var(--gold-light);
  font-size: 14px;
}

/* ===================== 房间列表（十字结构） ===================== */
.rooms-section {
  position: relative;
  z-index: 1;
  padding: 20px;
}

.section-title {
  text-align: center;
  color: var(--text-gold);
  font-size: 16px;
  letter-spacing: 6px;
  margin-bottom: 20px;
}

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

/* 房间卡片 */
.room-card {
  aspect-ratio: 1;
  background: linear-gradient(135deg, rgba(20,45,75,0.9), rgba(15,35,60,0.9));
  border: 1.5px solid var(--gold-dark);
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

/* 浅色 / 护眼 / 淡黄：房间卡片改为浅色纯底，桌号/人数显示黑字 */
body[data-theme="light"] .room-card,
body[data-theme="eye"] .room-card,
body[data-theme="yellow"] .room-card {
  background: rgba(255,255,255,0.72) !important;
  border-color: rgba(0,0,0,0.18);
  box-shadow: 0 8px 22px rgba(0,0,0,0.10);
}

body[data-theme="light"] .room-card:hover,
body[data-theme="eye"] .room-card:hover,
body[data-theme="yellow"] .room-card:hover {
  border-color: rgba(0,0,0,0.28);
  box-shadow: 0 10px 26px rgba(0,0,0,0.14);
}

body[data-theme="light"] .room-id-label,
body[data-theme="eye"] .room-id-label,
body[data-theme="yellow"] .room-id-label,
body[data-theme="light"] .room-count-label,
body[data-theme="eye"] .room-count-label,
body[data-theme="yellow"] .room-count-label {
  color: #111 !important;
  text-shadow: none !important;
}

.room-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold-light);
  box-shadow: 0 8px 24px rgba(200,168,75,0.3);
}

.room-card.full {
  border-color: rgba(200,168,75,0.3);
  cursor: not-allowed;
  opacity: 0.7;
}

.room-card.playing {
  border-color: var(--red);
}

/* 十字结构 */
.cross-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  width: 100%;
  height: 100%;
  position: relative;
}

/* 十字背景 */
.cross-grid::before {
  content: '';
  position: absolute;
  top: 33.3%; left: 0;
  width: 100%; height: 33.4%;
  background: rgba(200,168,75,0.08);
  pointer-events: none;
}
.cross-grid::after {
  content: '';
  position: absolute;
  top: 0; left: 33.3%;
  width: 33.4%; height: 100%;
  background: rgba(200,168,75,0.08);
  pointer-events: none;
}

.cross-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-dim);
  transition: color 0.2s;
}

.cross-cell.clickable {
  cursor: pointer;
}
.cross-cell.clickable:hover {
  color: var(--gold-light);
}

.cross-cell.pos-top    { grid-column: 2; grid-row: 1; }
.cross-cell.pos-left   { grid-column: 1; grid-row: 2; }
.cross-cell.pos-center { grid-column: 2; grid-row: 2; flex-direction: column; }
.cross-cell.pos-right  { grid-column: 3; grid-row: 2; }
.cross-cell.pos-bottom { grid-column: 2; grid-row: 3; }

.cross-cell.occupied { color: var(--gold-light); font-size: 10px; font-weight: bold; }

.room-id-label {
  font-size: 18px;
  color: var(--gold);
  font-weight: bold;
}

.room-count-label {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

.room-status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  position: absolute;
  top: 6px; right: 6px;
}
.room-status-dot.full { background: var(--gold); }
.room-status-dot.playing { background: var(--red); }

/* ===================== 按钮 ===================== */
.btn-gold {
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #1a1000;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: bold;
  font-family: inherit;
  transition: all 0.2s;
}
.btn-gold:hover { background: linear-gradient(135deg, var(--gold), var(--gold-light)); transform: translateY(-1px); }
.btn-gold:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-red {
  padding: 8px 20px;
  background: linear-gradient(135deg, #8a2222, #cc3333);
  color: white;
  border: none; border-radius: 4px;
  cursor: pointer; font-size: 14px; font-weight: bold;
  font-family: inherit; transition: all 0.2s;
}
.btn-red:hover { background: linear-gradient(135deg, #cc3333, #ee4444); }

/* ===================== 房间等待页 ===================== */
.page-room { overflow: hidden; }

.room-header {
  position: relative; z-index: 10;
  display: flex; align-items: center;
  padding: 12px 20px;
  background: var(--table-surface-1);
  border-bottom: 1px solid var(--table-border-strong);
  gap: 16px;
}

.room-header h2 {
  flex: 1; text-align: center;
  color: var(--gold-light); font-size: 20px; letter-spacing: 4px;
}

.room-player-count {
  color: var(--text-dim); font-size: 14px;
}

.room-player-count span {
  color: var(--gold-light); font-weight: bold;
}

.btn-back {
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--gold-dark);
  color: var(--text-gold);
  border-radius: 4px;
  cursor: pointer; font-size: 13px; font-family: inherit;
  transition: all 0.2s;
}
.btn-back:hover { border-color: var(--gold); color: var(--gold-light); }

/* 房间场景 */
.room-scene {
  position: relative; z-index: 1;
  width: 100%; height: calc(100vh - 57px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: space-between;
  padding: 20px;
}

/* 玩家卡片 */
.player-card-slot {
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
}

.player-card-box {
  width: 130px; min-height: 180px;
  background: var(--seat-bg);
  border: 2px solid var(--seat-border);
  border-radius: 10px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px; padding: 12px;
  position: relative;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.player-card-box.occupied {
  border-color: var(--gold);
  box-shadow: 0 0 15px rgba(200,168,75,0.3);
}

.player-card-box.self-box {
  border-color: var(--gold-light);
  box-shadow: 0 0 20px rgba(200,168,75,0.4);
}

.player-avatar {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--seat-avatar-bg);
  border: 2px solid var(--seat-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  overflow: hidden;
}

.player-avatar.empty-avatar {
  background: var(--panel-field-bg);
  border-color: var(--seat-border);
}

.slot-name {
  color: var(--gold-light); font-size: 14px; font-weight: bold; text-align: center;
}

.slot-status {
  color: var(--text-dim); font-size: 12px;
}

.slot-level {
  color: var(--text-dim); font-size: 11px;
}

/* 房间中行 */
.room-middle-row {
  display: flex; align-items: center; gap: 40px;
  width: 100%; justify-content: center;
}

.room-center-info {
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
}

.room-number-big {
  font-size: 48px; font-weight: bold;
  color: var(--gold-light);
  text-shadow: 0 0 20px rgba(200,168,75,0.6);
}

/* 开始按钮 */
.btn-start {
  padding: 12px 40px;
  background: linear-gradient(135deg, #8a6a10, var(--gold));
  color: #1a0a00;
  border: 2px solid var(--gold-light);
  border-radius: 6px;
  cursor: pointer; font-size: 18px; font-weight: bold;
  font-family: inherit; letter-spacing: 4px;
  transition: all 0.2s;
  box-shadow: 0 4px 15px rgba(200,168,75,0.4);
}

.btn-start:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200,168,75,0.6);
}

.btn-start:disabled {
  opacity: 0.4; cursor: not-allowed;
  box-shadow: none;
}

.btn-action {
  padding: 6px 14px;
  background: rgba(200,168,75,0.15);
  border: 1px solid var(--gold-dark);
  color: var(--text-gold); font-size: 13px;
  border-radius: 4px; cursor: pointer; font-family: inherit;
  transition: all 0.2s;
}
.btn-action:hover { background: rgba(200,168,75,0.3); border-color: var(--gold); }

/* ===================== 游戏页面 ===================== */
.page-game { overflow: hidden; }

.game-table {
  position: relative; z-index: 1;
  width: 100vw; height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 1fr;
}

.top-area {
  display: flex; flex-direction: column;
  align-items: center; padding: 8px;
  background: rgba(10,25,40,0.6);
  border-bottom: 1px solid rgba(200,168,75,0.15);
}

.center-row {
  display: grid;
  grid-template-columns: 140px 1fr 140px;
  overflow: hidden;
}

.left-area, .right-area {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 8px;
  background: rgba(10,25,40,0.5);
  border-right: 1px solid rgba(200,168,75,0.15);
}

.right-area { border-right: none; border-left: 1px solid rgba(200,168,75,0.15); }

.play-zone {
  position: relative;
  background: radial-gradient(ellipse at center, #0f2a3d 0%, #081820 80%);
  display: flex; align-items: center; justify-content: center;
}

.bottom-area {
  background: rgba(10,25,40,0.7);
  border-top: 1px solid rgba(200,168,75,0.2);
  padding: 8px 12px;
  display: flex; flex-direction: column;
  align-items: center; gap: 6px;
}

/* 玩家信息条 */
.player-info-bar {
  display: flex; align-items: center; gap: 8px;
}

.pname {
  font-size: 13px; color: var(--gold-light); font-weight: bold;
}

.pcount {
  font-size: 11px; color: var(--text-dim);
}

.turn-highlight {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
  animation: pulse 1s ease-in-out infinite;
  display: none;
}
.turn-highlight.active { display: block; }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.5); }
}

/* 对手手牌（背面） */
.opponent-hand {
  display: flex; justify-content: center;
  flex-wrap: nowrap; overflow: hidden;
}

.card-back {
  width: var(--card-w); height: var(--card-h);
  background: linear-gradient(135deg, #1a4a7a, #0d2a4a);
  border: 1.5px solid rgba(200,168,75,0.5);
  border-radius: 6px;
  margin: 0 -16px;
  position: relative;
  box-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}

.card-back::after {
  content: '攉';
  position: absolute; inset: 3px;
  border: 1px solid rgba(200,168,75,0.3);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: rgba(200,168,75,0.4);
}

/* Dora 风格：牌背用图片渲染 */
.dora-back {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  overflow: hidden;
}
.dora-back::after {
  content: none !important;
  display: none !important;
}

/* Dogs 风格：牌背用图片渲染 */
.dogs-back {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  overflow: hidden;
}
.dogs-back::after {
  content: none !important;
  display: none !important;
}

/* Dora2 风格：牌背用图片渲染 */
.dora2-back {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  overflow: hidden;
}
.dora2-back::after {
  content: none !important;
  display: none !important;
}

.opponent-hand.vertical { flex-direction: column; }
.opponent-hand.vertical .card-back { margin: -18px 0; }

/* 出牌区域 */
.played-area {
  position: absolute;
  display: flex; flex-wrap: wrap; gap: 4px;
  align-items: center; justify-content: center;
}

.played-top    { top: 10px;    left: 50%; transform: translateX(-50%); }
.played-bottom { bottom: 10px; left: 50%; transform: translateX(-50%); }
.played-left   { left: 10px;   top: 50%; transform: translateY(-50%); }
.played-right  { right: 10px;  top: 50%; transform: translateY(-50%); }

/* 游戏状态中心 */
.game-center-status {
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  text-align: center;
}

.turn-indicator {
  font-size: 14px;
  color: var(--gold-light);
  padding: 4px 12px;
  border: 1px solid var(--gold-dark);
  border-radius: 12px;
  background: rgba(200,168,75,0.1);
}

.score-board {
  font-size: 13px;
  color: var(--text-dim);
}

.score-board .score-val {
  color: var(--gold-light);
  font-weight: bold; font-size: 16px;
}

.trump-info {
  font-size: 13px;
  color: var(--text-dim);
}

.trump-info span {
  font-size: 15px; font-weight: bold;
}

.trump-spade, .trump-club { color: white; }
.trump-heart, .trump-diamond { color: #ff5555; }

/* ===================== 扑克牌 ===================== */
.card {
  width: var(--card-w); height: var(--card-h);
  background: white;
  border: 1px solid #ccc;
  border-radius: 6px;
  position: relative;
  cursor: pointer;
  user-select: none;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 1px 2px 6px rgba(0,0,0,0.4);
  flex-shrink: 0;
}

.card:hover { transform: translateY(-4px); box-shadow: 2px 4px 8px rgba(0,0,0,0.5); }
.card.selected { transform: translateY(-10px); box-shadow: 0 6px 16px rgba(200,168,75,0.6); }
.card.selected::after {
  content: '';
  position: absolute;
  inset: -2px;
  border: 2px solid var(--gold-light);
  border-radius: 7px;
  pointer-events: none;
}

.card-corner {
  position: absolute;
  display: flex; flex-direction: column;
  align-items: center; line-height: 1;
  font-size: 10px; font-weight: bold;
}

.card-corner.tl { top: 2px; left: 3px; }
.card-corner.br { bottom: 2px; right: 3px; transform: rotate(180deg); }

.card-symbol { font-size: 18px; }
.card-center { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 20px; }

.card.heart .card-corner, .card.heart .card-center,
.card.diamond .card-corner, .card.diamond .card-center { color: #cc2222; }

.card.spade .card-corner, .card.spade .card-center,
.card.club .card-corner, .card.club .card-center { color: #111; }

/* 大王 */
.card.big-joker { background: linear-gradient(135deg, #fff5d0, #fff); }
.card.big-joker .card-corner { color: #c00; }
.card.big-joker .card-center { font-size: 14px; font-weight: bold; color: #c00; text-align: center; }

/* 小王 */
.card.small-joker { background: linear-gradient(135deg, #f0f0f0, #fff); }
.card.small-joker .card-corner { color: #333; }
.card.small-joker .card-center { font-size: 14px; font-weight: bold; color: #333; text-align: center; }

/* 级牌标记 */
.card.trump-level::before {
  content: '主';
  position: absolute;
  top: 50%; right: 4px;
  transform: translateY(-50%);
  font-size: 10px;
  color: var(--gold);
  font-weight: bold;
}

/* 得分牌高亮 */
.card.score-card::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #ff8c00;
}

/* ===================== 手牌区 ===================== */
.hand-cards {
  display: flex;
  justify-content: center;
  flex-wrap: nowrap;
  overflow: visible;
  padding: 10px 20px 0;
}

.hand-cards .card {
  margin: 0 -14px;
  transition: transform 0.15s, margin 0.1s;
}

.hand-cards .card:hover {
  margin: 0 -8px;
}

.hand-cards .card.selected {
  margin: 0 -8px;
}

/* 游戏控制按钮 */
.game-controls {
  display: flex; gap: 12px; margin-top: 4px;
}

.btn-play {
  padding: 8px 28px;
  background: linear-gradient(135deg, #5a9a1a, #7cc022);
  color: white; border: none; border-radius: 4px;
  cursor: pointer; font-size: 15px; font-weight: bold;
  font-family: inherit; transition: all 0.2s;
}
.btn-play:hover:not(:disabled) { background: linear-gradient(135deg, #7cc022, #9add33); }
.btn-play:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-pass {
  padding: 8px 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--text-white); border-radius: 4px;
  cursor: pointer; font-size: 14px;
  font-family: inherit; transition: all 0.2s;
}
.btn-pass:hover { background: rgba(255,255,255,0.2); }

.btn-hint {
  padding: 8px 16px;
  background: rgba(200,168,75,0.15);
  border: 1px solid var(--gold-dark);
  color: var(--text-gold); border-radius: 4px;
  cursor: pointer; font-size: 14px;
  font-family: inherit; transition: all 0.2s;
}
.btn-hint:hover { background: rgba(200,168,75,0.3); }

/* ===================== 模态框 ===================== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(3px);
}

.modal-box {
  background: linear-gradient(160deg, #1a3a5c, #0f2235);
  border: 2px solid var(--gold);
  border-radius: 12px;
  padding: 28px 36px;
  min-width: 320px;
  max-width: 600px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}

.modal-title {
  font-size: 20px; font-weight: bold;
  color: var(--gold-light); text-align: center;
  margin-bottom: 16px; letter-spacing: 4px;
}

.modal-desc {
  color: var(--text-dim); font-size: 13px;
  text-align: center; margin-bottom: 20px;
}

.suit-btns {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px; margin-bottom: 16px;
}

.suit-btn {
  padding: 12px;
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(200,168,75,0.4);
  border-radius: 6px; cursor: pointer;
  font-size: 20px; font-weight: bold;
  font-family: inherit;
  transition: all 0.2s;
}
.suit-btn:hover { background: rgba(200,168,75,0.2); border-color: var(--gold); }
.suit-btn.red { color: #ee4444; }
.suit-btn.black { color: white; }

.bury-cards-area {
  display: flex; flex-wrap: wrap;
  gap: 6px; margin: 12px 0;
  max-height: 220px; overflow-y: auto;
  justify-content: center;
}

.bury-info {
  text-align: center; color: var(--text-dim);
  font-size: 13px; margin: 8px 0;
}

.bury-info span { color: var(--gold-light); font-weight: bold; }

/* ===================== 聊天/消息 ===================== */
.message-log {
  position: fixed;
  bottom: 180px; right: 12px;
  width: 200px;
  max-height: 150px;
  overflow: hidden;
  pointer-events: none;
  z-index: 50;
}

.message-item {
  background: color-mix(in srgb, var(--panel-bg) 78%, transparent);
  border: 1px solid color-mix(in srgb, var(--panel-border) 70%, transparent);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--panel-dim);
  margin-bottom: 4px;
  animation:
    fadeInUp 0.25s ease,
    fadeOut 0.35s ease 2.65s forwards;
}

.message-item .msg-name { color: var(--panel-title); }

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

@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ===================== 通知 ===================== */
.notification {
  position: fixed;
  top: 20px; left: 50%;
  transform: translateX(-50%);
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 14px;
  z-index: 200;
  animation: slideDown 0.3s ease;
  max-width: 400px; text-align: center;
}

.notification.info    { background: var(--notif-info-bg); border: 1px solid var(--notif-info-border); color: var(--notif-info-text); }
.notification.success { background: var(--notif-success-bg); border: 1px solid var(--notif-success-border); color: var(--notif-success-text); }
.notification.error   { background: var(--notif-error-bg); border: 1px solid var(--notif-error-border); color: var(--notif-error-text); }
.notification.hidden  { display: none; }

@keyframes slideDown {
  from { opacity: 0; top: 0; }
  to   { opacity: 1; top: 20px; }
}

/* ===================== 游戏结果 ===================== */
.result-modal .modal-box {
  text-align: center;
  min-width: 360px;
}

.result-title {
  font-size: 32px; font-weight: bold;
  margin-bottom: 12px;
}

.result-winner { color: var(--gold-light); }
.result-loser  { color: var(--text-dim); }

.result-score {
  font-size: 18px; margin: 16px 0;
  color: var(--text-white);
}

.result-score .score-num {
  font-size: 28px; color: var(--gold-light); font-weight: bold;
}

.result-bottom-cards {
  display: flex; flex-wrap: wrap;
  gap: 6px; justify-content: center;
  margin: 12px 0;
}

.level-up-info {
  color: #ffcc44; font-size: 16px;
  margin: 8px 0;
}

/* ===================== 滚动条 ===================== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 2px; }

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

/* 笔记本 / 小桌面：减小字号和间距，房间 4 列 */
@media (max-width: 1200px) {
  .game-title { font-size: 42px; letter-spacing: 14px; }
  .rooms-grid { grid-template-columns: repeat(4, 1fr); max-width: 780px; }
  .room-middle-row { gap: 24px; }
  .player-card-box { width: 120px; min-height: 170px; }
}

/* 平板横屏：房间 3 列，牌稍微缩小 */
@media (max-width: 992px) {
  .home-header { padding: 20px 12px 12px; }
  .game-subtitle { font-size: 12px; letter-spacing: 3px; }
  .rooms-grid { grid-template-columns: repeat(3, 1fr); max-width: 680px; }
  .room-scene { padding: 12px; }
  .room-middle-row { gap: 20px; }
  :root { --card-w: 42px; --card-h: 62px; }
  .center-row { grid-template-columns: 120px 1fr 120px; }
}

/* 平板竖屏 / 大屏手机：房间 2 列，顶部文字再缩小，控制按钮紧凑 */
@media (max-width: 768px) {
  .game-title { font-size: 30px; letter-spacing: 8px; }
  .game-subtitle { font-size: 11px; letter-spacing: 2px; }
  .player-setup { flex-wrap: wrap; gap: 6px; }
  .rooms-grid { grid-template-columns: repeat(2, 1fr); max-width: 520px; }
  .section-title { font-size: 14px; letter-spacing: 4px; }

  .room-header { padding: 8px 10px; }
  .room-number-big { font-size: 38px; }
  .btn-start { padding: 10px 28px; font-size: 16px; letter-spacing: 2px; }

  .game-table { grid-template-rows: auto 1fr auto; }
  .center-row { grid-template-columns: 110px 1fr 110px; }
  .bottom-area { padding: 6px 8px; }
  .game-controls { gap: 8px; flex-wrap: wrap; }
  .message-log { bottom: 150px; right: 8px; width: 180px; }
}

/* 手机：单列布局，房间 1~2 列，牌和间距大幅缩小，左右玩家区域压缩 */
@media (max-width: 600px) {
  html, body { height: 100dvh; }
  .home-header { padding: 16px 8px 8px; }
  .game-title { font-size: 24px; letter-spacing: 4px; }
  .game-subtitle { font-size: 10px; letter-spacing: 1px; }
  .rooms-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; max-width: 420px; }
  .room-card { border-radius: 6px; }
  .cross-cell { font-size: 9px; }
  .room-id-label { font-size: 16px; }

  .room-scene { padding: 8px; height: calc(100vh - 50px); }
  .room-middle-row { flex-direction: column; gap: 16px; }
  .player-card-box { width: 110px; min-height: 160px; padding: 10px; }

  .game-table { height: 100dvh; }
  .center-row { grid-template-columns: 80px 1fr 80px; }
  .left-area, .right-area { padding: 4px; }
  .opponent-hand.vertical .card-back { margin: -14px 0; }

  :root { --card-w: 38px; --card-h: 56px; }
  .hand-cards { padding: 6px 6px 0; }
  .hand-cards .card { margin: 0 -10px; }

  .modal-box { padding: 20px 18px; min-width: 280px; max-width: 90vw; }
  .suit-btn { padding: 10px; font-size: 18px; }

  .message-log { bottom: 130px; right: 6px; width: 160px; }
  .notification { max-width: 90vw; font-size: 13px; }
}

/* 极小屏（小手机）再压缩一档 */
@media (max-width: 400px) {
  .rooms-grid { grid-template-columns: repeat(1, minmax(0, 1fr)); max-width: 260px; }
  .room-header h2 { font-size: 16px; letter-spacing: 2px; }
  .btn-start { padding: 8px 20px; font-size: 14px; }
  :root { --card-w: 34px; --card-h: 50px; }
}

/* 大屏 / 高分辨率：避免卡牌在 2K/4K 下显得太小 */
@media (min-width: 1600px) {
  :root { --card-w: 52px; --card-h: 77px; }
  .hand-cards .card { margin: 0 -16px; }
  .hand-cards .card:hover { margin: 0 -10px; }
  .hand-cards .card.selected { margin: 0 -10px; }
  .opponent-hand.vertical .card-back { margin: -22px 0; }
}

@media (min-width: 2200px) {
  :root { --card-w: 56px; --card-h: 83px; }
  .hand-cards .card { margin: 0 -18px; }
  .hand-cards .card:hover { margin: 0 -12px; }
  .hand-cards .card.selected { margin: 0 -12px; }
  .opponent-hand.vertical .card-back { margin: -24px 0; }
}

@media (min-width: 2600px) {
  :root { --card-w: 60px; --card-h: 89px; }
  .hand-cards .card { margin: 0 -20px; }
  .hand-cards .card:hover { margin: 0 -14px; }
  .hand-cards .card.selected { margin: 0 -14px; }
  .opponent-hand.vertical .card-back { margin: -26px 0; }
}