/* ===== Minecraft 像素风 全局样式 ===== */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

:root {
  --mc-grass: #5fb53f;
  --mc-grass-dark: #3d8b2a;
  --mc-dirt: #8b5a2b;
  --mc-dirt-dark: #6b4220;
  --mc-stone: #7f7f7f;
  --mc-stone-dark: #555;
  --mc-sky: #87ceeb;
  --mc-sky-deep: #4a90d9;
  --mc-gold: #ffd700;
  --mc-diamond: #4dd0e1;
  --mc-redstone: #e53935;
  --mc-emerald: #2ecc71;
  --mc-night: #0d1b2a;
  --mc-panel: #c6c6c6;
  --mc-shadow: #373737;
  --mc-highlight: #ffffff;
  --mc-black: #1a1a1a;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

html, body {
  height: 100%;
  font-family: 'VT323', monospace;
  overflow-x: hidden;
}

body {
  background: linear-gradient(180deg, var(--bg-top, var(--mc-sky)) 0%, var(--bg-bot, var(--mc-sky-deep)) 100%);
  color: var(--mc-black);
  font-size: 20px;
  min-height: 100vh;
  transition: background 0.6s ease;
}

/* ===== 分类主题背景 ===== */
/* 默认/全部：蓝天 */
body[data-theme="全部"] { --bg-top:#87ceeb; --bg-bot:#4a90d9; }
/* 马里奥：蓝天+红蘑菇 */
body[data-theme="马里奥"] { --bg-top:#5c94fc; --bg-bot:#e53935; }
/* 我的世界：草地+泥土 */
body[data-theme="我的世界"] { --bg-top:#5fb53f; --bg-bot:#6b4220; }
/* 动作射击：黑夜+橙火 */
body[data-theme="动作射击"] { --bg-top:#1a1a2e; --bg-bot:#ff5722; }
/* 益智逻辑：紫蓝 */
body[data-theme="益智逻辑"] { --bg-top:#6a1b9a; --bg-bot:#1a237e; }
/* 经典街机：暗紫霓虹 */
body[data-theme="经典街机"] { --bg-top:#1a0a2a; --bg-bot:#4dd0e1; }
/* 博弈竞猜：金紫赌场 */
body[data-theme="博弈竞猜"] { --bg-top:#1b5e20; --bg-bot:#ffd700; }
/* 策略对战：深绿棋盘 */
body[data-theme="策略对战"] { --bg-top:#2e7d32; --bg-bot:#1b5e20; }
/* 创造休闲：粉橙暖色 */
body[data-theme="创造休闲"] { --bg-top:#e91e63; --bg-bot:#ff9800; }
/* 文字：墨蓝 */
body[data-theme="文字"] { --bg-top:#1565c0; --bg-bot:#0d1b2a; }

h1, h2, h3, .pixel-font {
  font-family: 'Press Start 2P', monospace;
  letter-spacing: 1px;
}

/* ===== 像素按钮 ===== */
.mc-btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 14px;
  padding: 16px 24px;
  background: var(--mc-panel);
  color: var(--mc-black);
  border: 3px solid var(--mc-black);
  box-shadow:
    inset -4px -4px 0 0 var(--mc-shadow),
    inset 4px 4px 0 0 var(--mc-highlight),
    4px 4px 0 0 rgba(0,0,0,0.4);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  position: relative;
  transition: transform 0.05s;
  user-select: none;
}

.mc-btn:hover {
  background: #d9d9d9;
  transform: translate(-2px, -2px);
  box-shadow:
    inset -4px -4px 0 0 var(--mc-shadow),
    inset 4px 4px 0 0 var(--mc-highlight),
    6px 6px 0 0 rgba(0,0,0,0.4);
}

.mc-btn:active {
  transform: translate(2px, 2px);
  box-shadow:
    inset 4px 4px 0 0 var(--mc-shadow),
    inset -4px -4px 0 0 var(--mc-highlight),
    0px 0px 0 0 rgba(0,0,0,0.4);
}

.mc-btn.green { background: var(--mc-grass); }
.mc-btn.green:hover { background: #6fc94a; }
.mc-btn.gold { background: var(--mc-gold); }
.mc-btn.gold:hover { background: #ffe24d; }
.mc-btn.diamond { background: var(--mc-diamond); }
.mc-btn.redstone { background: var(--mc-redstone); color: white; }

/* ===== 面板（GUI 窗口） ===== */
.mc-panel {
  background: var(--mc-panel);
  border: 4px solid var(--mc-shadow);
  box-shadow:
    inset 4px 4px 0 0 var(--mc-highlight),
    inset -4px -4px 0 0 var(--mc-shadow),
    8px 8px 0 0 rgba(0,0,0,0.3);
  padding: 24px;
}

.mc-panel-dark {
  background: var(--mc-night);
  border: 4px solid var(--mc-black);
  box-shadow:
    inset 4px 4px 0 0 #2a3f5f,
    inset -4px -4px 0 0 #000,
    8px 8px 0 0 rgba(0,0,0,0.5);
  padding: 24px;
  color: #e0e0e0;
}

/* ===== 顶部栏 ===== */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--mc-night);
  border-bottom: 4px solid var(--mc-black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  box-shadow: 0 4px 0 rgba(0,0,0,0.3);
}

.topbar .logo {
  font-family: 'Press Start 2P', monospace;
  font-size: 16px;
  color: var(--mc-gold);
  text-shadow: 2px 2px 0 #000;
  text-decoration: none;
}

.topbar nav a {
  font-family: 'Press Start 2P', monospace;
  font-size: 11px;
  color: #e0e0e0;
  text-decoration: none;
  margin-left: 14px;
  padding: 8px 12px;
  border: 2px solid transparent;
  transition: all 0.1s;
}

.topbar nav a:hover {
  background: var(--mc-grass-dark);
  border-color: var(--mc-black);
  color: white;
}

/* ===== 浮动方块背景 ===== */
.floating-blocks {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.float-block {
  position: absolute;
  width: 40px; height: 40px;
  opacity: 0.35;
  animation: floatUp linear infinite;
  border: 2px solid rgba(0,0,0,0.3);
}

@keyframes floatUp {
  0% { transform: translateY(110vh) rotate(0deg); }
  100% { transform: translateY(-20vh) rotate(360deg); }
}

/* ===== 烟雾/云 ===== */
.cloud {
  position: absolute;
  width: 120px; height: 40px;
  background: white;
  border-radius: 0;
  box-shadow:
    20px -20px 0 0 white,
    60px -10px 0 0 white,
    40px 0 0 5px white;
  opacity: 0.85;
  animation: drift linear infinite;
}

@keyframes drift {
  from { transform: translateX(-200px); }
  to { transform: translateX(110vw); }
}

/* ===== 气泡 ===== */
.float-bubble {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4);
  cursor: pointer;
  animation: bubbleUp linear infinite;
  transition: opacity 0.3s;
  pointer-events: auto;
  box-shadow: inset 0 0 10px rgba(255,255,255,0.2);
}
.float-bubble::before {
  content: '';
  position: absolute;
  top: 15%; left: 20%;
  width: 30%; height: 30%;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
}
@keyframes bubbleUp {
  0% { transform: translateY(110vh) scale(0.8); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-20vh) scale(1.1); opacity: 0; }
}
.float-bubble.popped {
  animation: pop 0.3s ease-out forwards !important;
}
@keyframes pop {
  0% { transform: scale(1.3); opacity: 1; }
  50% { transform: scale(1.8); opacity: 0.5; }
  100% { transform: scale(0.3); opacity: 0; }
}
.bubble-particle {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(77,208,225,0.8);
  pointer-events: none;
  z-index: 50;
  animation: particleFly 0.5s ease-out forwards;
}
@keyframes particleFly {
  0% { transform: translate(0,0); opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)); opacity: 0; }
}

/* ===== 草地地面 ===== */
.ground {
  position: relative;
  width: 100%;
  height: 80px;
  background:
    repeating-linear-gradient(
      90deg,
      var(--mc-grass) 0px, var(--mc-grass) 16px,
      var(--mc-grass-dark) 16px, var(--mc-grass-dark) 32px
    );
  border-top: 6px solid var(--mc-grass-dark);
}

.ground::after {
  content: '';
  position: absolute;
  top: 100%; left: 0; right: 0;
  height: 60px;
  background:
    repeating-linear-gradient(
      90deg,
      var(--mc-dirt) 0px, var(--mc-dirt) 16px,
      var(--mc-dirt-dark) 16px, var(--mc-dirt-dark) 32px
    );
}

/* ===== 通用容器 ===== */
.container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 20px 40px;
}

.center { text-align: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap { gap: 20px; }
.wrap { flex-wrap: wrap; }

/* ===== 标题特效 ===== */
.title-3d {
  font-size: 48px;
  color: var(--mc-gold);
  text-shadow:
    3px 3px 0 #b8860b,
    6px 6px 0 #8b6508,
    9px 9px 0 rgba(0,0,0,0.4);
  animation: titleBob 2s ease-in-out infinite;
}

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

.subtitle {
  font-size: 18px;
  color: white;
  text-shadow: 2px 2px 0 var(--mc-shadow);
  margin-top: 16px;
}

/* ===== 游戏卡片 ===== */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 40px;
}

.game-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--mc-panel);
  border: 4px solid var(--mc-black);
  box-shadow:
    inset 4px 4px 0 0 var(--mc-highlight),
    inset -4px -4px 0 0 var(--mc-shadow),
    8px 8px 0 0 rgba(0,0,0,0.3);
  padding: 0;
  overflow: hidden;
  transition: transform 0.1s;
  position: relative;
}

.game-card:hover {
  transform: translate(-4px, -4px);
  box-shadow:
    inset 4px 4px 0 0 var(--mc-highlight),
    inset -4px -4px 0 0 var(--mc-shadow),
    12px 12px 0 0 rgba(0,0,0,0.4);
}

.game-card .thumb {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
  position: relative;
  overflow: hidden;
}

.game-card .thumb.typing { background: linear-gradient(135deg, #2196f3, #1565c0); }
.game-card .thumb.mario { background: linear-gradient(135deg, #5fb53f, #2e7d32); }
.game-card .thumb.tetris { background: linear-gradient(135deg, #6a1b9a, #4a148c); }

.game-card .info {
  padding: 18px;
  background: var(--mc-night);
  color: white;
  border-top: 4px solid var(--mc-black);
}

.game-card .info h3 {
  font-size: 16px;
  color: var(--mc-gold);
  margin-bottom: 8px;
  text-shadow: 2px 2px 0 #000;
}

.game-card .info p {
  font-size: 18px;
  color: #b0bec5;
  line-height: 1.3;
}

.game-card .play-tag {
  position: absolute;
  top: 10px; right: 10px;
  background: var(--mc-redstone);
  color: white;
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  padding: 6px 10px;
  border: 2px solid #000;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ===== 游戏画布通用 ===== */
.game-stage {
  background: var(--mc-night);
  border: 4px solid var(--mc-black);
  box-shadow:
    inset 4px 4px 0 0 #2a3f5f,
    inset -4px -4px 0 0 #000,
    8px 8px 0 0 rgba(0,0,0,0.5);
  padding: 16px;
  display: inline-block;
}

canvas {
  display: block;
  background: #000;
  border: 3px solid var(--mc-shadow);
  image-rendering: pixelated;
}

/* ===== HUD ===== */
.hud {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hud-item {
  background: var(--mc-night);
  border: 3px solid var(--mc-black);
  box-shadow: inset 3px 3px 0 0 #2a3f5f, inset -3px -3px 0 0 #000;
  padding: 10px 16px;
  font-family: 'Press Start 2P', monospace;
  font-size: 12px;
  color: var(--mc-gold);
  text-shadow: 2px 2px 0 #000;
}

.hud-item .label { color: #b0bec5; font-size: 10px; display: block; margin-bottom: 4px; }

/* ===== 闪烁光标 ===== */
.cursor::after {
  content: '▋';
  animation: blink 0.8s steps(1) infinite;
  color: var(--mc-gold);
}
@keyframes blink { 50% { opacity: 0; } }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 14px; }
::-webkit-scrollbar-track { background: var(--mc-shadow); }
::-webkit-scrollbar-thumb {
  background: var(--mc-grass);
  border: 2px solid var(--mc-black);
}

/* ===== Toast 提示 ===== */
.toast {
  position: fixed;
  bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--mc-night);
  border: 4px solid var(--mc-gold);
  box-shadow: inset 4px 4px 0 0 #2a3f5f, 8px 8px 0 0 rgba(0,0,0,0.5);
  padding: 16px 28px;
  font-family: 'Press Start 2P', monospace;
  font-size: 12px;
  color: var(--mc-gold);
  z-index: 999;
  transition: transform 0.3s;
  text-shadow: 2px 2px 0 #000;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ===== 音效开关 ===== */
.sound-toggle {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 48px; height: 48px;
  background: var(--mc-night);
  border: 3px solid var(--mc-black);
  box-shadow: inset 3px 3px 0 0 #2a3f5f, inset -3px -3px 0 0 #000, 4px 4px 0 0 rgba(0,0,0,0.4);
  color: var(--mc-gold);
  font-size: 22px;
  cursor: pointer;
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.1s;
  user-select: none;
}
.sound-toggle:hover { transform: translate(-2px,-2px); }
.sound-toggle:active { transform: translate(1px,1px); }
.sound-toggle.muted { color: #555; }

/* ===== 移动端触屏控件 ===== */
.mc-touch-layer {
  position: fixed;
  inset: 0;
  z-index: 150;
  pointer-events: none;
  display: none;
}
body.mc-touch-device .mc-touch-layer { display: block; }

.mc-dpad, .mc-actions, .mc-joy-base { pointer-events: auto; }

.mc-dpad {
  position: fixed;
  bottom: 18px; left: 18px;
  width: 150px; height: 150px;
}
.mc-dbtn {
  position: absolute;
  width: 52px; height: 52px;
  background: rgba(13,27,42,0.7);
  border: 3px solid var(--mc-black);
  box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.2), inset -2px -2px 0 0 rgba(0,0,0,0.5);
  color: #fff; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  user-select: none; -webkit-user-select: none;
  border-radius: 6px;
  backdrop-filter: blur(4px);
}
.mc-dbtn.active {
  background: rgba(95,181,63,0.85);
  transform: scale(0.92) !important;
  box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.4);
}
/* 重置 d-pad 按钮的 transform，避免和 active 冲突 */
.mc-dpad .mc-dbtn { transition: transform 0.05s, background 0.05s; }
.mc-dpad .mc-dbtn.active { transform: scale(0.92) !important; }

.mc-actions {
  position: fixed;
  bottom: 24px; right: 18px;
  display: flex; gap: 14px; align-items: flex-end;
}
.mc-abtn {
  width: 68px; height: 68px;
  background: rgba(229,57,53,0.8);
  border: 3px solid var(--mc-black);
  box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.25), inset -2px -2px 0 0 rgba(0,0,0,0.5);
  color: #fff; font-family: 'Press Start 2P', monospace; font-size: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  user-select: none; -webkit-user-select: none;
  backdrop-filter: blur(4px);
}
.mc-abtn.active { transform: scale(0.9); box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.4); }

.mc-joy-base {
  position: fixed;
  bottom: 30px; left: 30px;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: rgba(13,27,42,0.5);
  border: 3px solid var(--mc-black);
  box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.15);
  touch-action: none;
}
.mc-joy-knob {
  position: absolute;
  top: 50%; left: 50%;
  width: 60px; height: 60px;
  margin: -30px 0 0 -30px;
  border-radius: 50%;
  background: rgba(255,215,0,0.85);
  border: 3px solid var(--mc-black);
  box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.4);
  transition: transform 0.05s;
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  body { font-size: 18px; }
  .topbar { height: 48px; padding: 0 10px; }
  .topbar .logo { font-size: 12px; }
  .topbar nav a { font-size: 9px; margin-left: 6px; padding: 6px 8px; }
  .container { padding: 62px 12px 100px; }
  .title-3d { font-size: 30px !important; }
  .game-stage { padding: 8px; }
  canvas { max-width: 100%; height: auto; }
  .hud { gap: 8px; }
  .hud-item { font-size: 10px; padding: 8px 10px; }
  .hud-item .label { font-size: 8px; }
  .mc-btn { font-size: 12px; padding: 12px 18px; }
  .game-grid { grid-template-columns: 1fr; gap: 18px; }
  .game-card .thumb { height: 130px; font-size: 56px; }
  .sound-toggle { bottom: 12px; right: 12px; width: 40px; height: 40px; font-size: 18px; }
}

@media (max-width: 600px) {
  /* 顶栏导航横向滚动 */
  .topbar nav { overflow-x: auto; white-space: nowrap; flex: 1; margin-left: 10px; }
  .topbar nav::-webkit-scrollbar { display: none; }
  .title-3d { font-size: 24px !important; }
  .subtitle { font-size: 15px; }
}

/* 桌面端隐藏触屏提示 */
.desktop-only { display: initial; }
@media (pointer: coarse) { .desktop-only { display: none; } }
.touch-only { display: none; }
@media (pointer: coarse) { .touch-only { display: initial; } }

/* ===== 通用虚拟按键（virtualKeys）===== */
.mc-vbtn {
  width: 56px; height: 56px;
  background: rgba(13,27,42,0.75);
  border: 3px solid var(--mc-black);
  box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.2), inset -2px -2px 0 0 rgba(0,0,0,0.5);
  color: #fff; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  user-select: none; -webkit-user-select: none;
  border-radius: 8px;
  backdrop-filter: blur(4px);
  transition: transform 0.05s, background 0.05s;
}
.mc-vbtn.big { width: 72px; height: 72px; font-family: 'Press Start 2P', monospace; font-size: 16px; border-radius: 50%; }
.mc-vbtn.active {
  background: rgba(95,181,63,0.9);
  transform: scale(0.88);
  box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.4);
}

/* ===== 手机汉堡菜单 ===== */
.menu-toggle {
  display: none;
  background: var(--mc-grass); border: 2px solid var(--mc-black);
  color: #fff; font-size: 22px; width: 38px; height: 38px;
  cursor: pointer; padding: 0;
  box-shadow: inset 2px 2px 0 0 rgba(255,255,255,0.3), inset -2px -2px 0 0 rgba(0,0,0,0.4);
}
@media (max-width: 760px) {
  .topbar { padding: 0 10px; }
  .topbar .logo { font-size: 13px; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; }
  .topbar nav {
    display: none;
    position: fixed; top: 56px; left: 0; right: 0;
    background: var(--mc-night);
    border-bottom: 4px solid var(--mc-black);
    flex-direction: column;
    max-height: 70vh; overflow-y: auto;
    padding: 8px 0;
    z-index: 99;
  }
  .topbar nav.open { display: flex; }
  .topbar nav a {
    margin: 0; padding: 12px 20px;
    font-size: 12px; border: none;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .topbar nav a:hover { background: var(--mc-grass-dark); }
}

/* ===== 分类筛选栏 ===== */
.filter-bar {
  margin: 20px auto;
  max-width: 1000px;
  display: flex; flex-direction: column; gap: 12px;
}
.search-box {
  font-family: 'VT323', monospace; font-size: 22px;
  width: 100%; max-width: 400px; margin: 0 auto;
  display: block; padding: 12px 18px;
  background: var(--mc-night); color: var(--mc-gold);
  border: 3px solid var(--mc-black);
  box-shadow: inset 3px 3px 0 0 #000, 3px 3px 0 0 rgba(0,0,0,0.3);
  text-align: center;
}
.search-box:focus { outline: none; border-color: var(--mc-gold); }
.search-box::placeholder { color: #888; }
.cat-bar {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
}
.cat-btn {
  font-family: 'Press Start 2P', monospace; font-size: 10px;
  padding: 8px 12px; cursor: pointer; user-select: none;
  background: var(--mc-panel); color: var(--mc-black);
  border: 3px solid var(--mc-black);
  box-shadow: inset 2px 2px 0 0 var(--mc-highlight), inset -2px -2px 0 0 var(--mc-shadow), 3px 3px 0 0 rgba(0,0,0,0.3);
  transition: transform 0.05s; white-space: nowrap;
}
.cat-btn:hover { transform: translate(-1px,-1px); }
.cat-btn.active {
  background: var(--mc-grass); color: #fff;
  box-shadow: inset 2px 2px 0 0 #6fc94a, inset -2px -2px 0 0 #2e7d32, 3px 3px 0 0 rgba(0,0,0,0.3);
}
.cat-cnt {
  font-size: 8px; opacity: 0.7; margin-left: 2px;
}
.game-card.hidden { display: none; }

/* ===== 点赞系统 ===== */
.like-btn {
  display: inline-flex; align-items: center; gap: 4px;
  background: rgba(0,0,0,0.5); border: 2px solid #000;
  padding: 4px 10px; cursor: pointer; user-select: none;
  font-family: 'Press Start 2P', monospace; font-size: 10px; color: #ccc;
  transition: all 0.1s; margin-top: 8px;
}
.like-btn:hover { border-color: #e53935; }
.like-btn.liked { color: #e53935; border-color: #e53935; }
.like-btn .heart { font-size: 14px; }
.like-btn:active { transform: scale(0.9); }
.like-btn.liked .heart { animation: heartPop 0.3s; }
@keyframes heartPop { 0%,100%{transform:scale(1)} 50%{transform:scale(1.4)} }

.total-like-bar {
  text-align: center; padding: 20px; margin: 20px auto; max-width: 500px;
}
.total-like-btn {
  font-family: 'Press Start 2P', monospace; font-size: 14px;
  padding: 16px 32px; background: linear-gradient(135deg,#e53935,#b71c1c);
  color: #fff; border: 3px solid #000; cursor: pointer;
  box-shadow: inset 3px 3px 0 0 rgba(255,255,255,0.3), 4px 4px 0 0 rgba(0,0,0,0.4);
  transition: all 0.1s; user-select: none;
}
.total-like-btn:hover { transform: translate(-2px,-2px); }
.total-like-btn:active { transform: translate(2px,2px); }
.total-like-btn.liked { background: linear-gradient(135deg,#4caf50,#2e7d32); }
.total-like-count { font-size: 16px; color: #ffd700; margin-top: 8px; font-family: 'Press Start 2P', monospace; text-shadow: 2px 2px 0 #000; }

/* ===== 智能助手 ===== */
.ai-fab {
  position: fixed; bottom: 72px; right: 20px;
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, #9c27b0, #6a1b9a);
  border: 3px solid var(--mc-black);
  box-shadow: 0 0 0 2px #4dd0e1, 4px 4px 0 0 rgba(0,0,0,0.4), 0 0 20px rgba(156,39,176,0.5);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; cursor: pointer; z-index: 300;
  transition: transform 0.15s; user-select: none;
  animation: aiPulse 2s infinite;
}
.ai-fab:hover { transform: scale(1.1) rotate(-5deg); }
@keyframes aiPulse { 0%,100%{ box-shadow: 0 0 0 2px #4dd0e1, 4px 4px 0 0 rgba(0,0,0,0.4), 0 0 12px rgba(156,39,176,0.4); } 50%{ box-shadow: 0 0 0 2px #4dd0e1, 4px 4px 0 0 rgba(0,0,0,0.4), 0 0 28px rgba(156,39,176,0.8); } }

.ai-panel {
  position: fixed; bottom: 20px; right: 20px;
  width: 340px; max-width: calc(100vw - 40px);
  height: 460px; max-height: calc(100vh - 40px);
  background: var(--mc-night);
  border: 4px solid var(--mc-black);
  box-shadow: inset 4px 4px 0 0 #2a3f5f, inset -4px -4px 0 0 #000, 8px 8px 0 0 rgba(0,0,0,0.5);
  display: none; flex-direction: column; z-index: 301;
  border-radius: 8px; overflow: hidden;
}
.ai-panel.open { display: flex; animation: aiSlideUp 0.25s ease; }
@keyframes aiSlideUp { from{ transform: translateY(30px); opacity: 0; } to{ transform: translateY(0); opacity: 1; } }

.ai-header {
  background: linear-gradient(135deg, #9c27b0, #6a1b9a);
  padding: 10px 14px; display: flex; justify-content: space-between; align-items: center;
  font-family: 'Press Start 2P', monospace; font-size: 11px; color: #fff;
  text-shadow: 1px 1px 0 #000; border-bottom: 3px solid #000;
}
.ai-close { cursor: pointer; font-size: 16px; padding: 2px 6px; }
.ai-close:hover { background: rgba(255,255,255,0.2); border-radius: 4px; }

.ai-messages {
  flex: 1; overflow-y: auto; padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
}
.ai-messages::-webkit-scrollbar { width: 8px; }
.ai-messages::-webkit-scrollbar-track { background: #0d1b2a; }
.ai-messages::-webkit-scrollbar-thumb { background: #4dd0e1; border: 1px solid #000; }

.ai-msg {
  max-width: 85%; padding: 8px 12px; border-radius: 8px;
  font-size: 14px; line-height: 1.5; word-wrap: break-word;
}
.ai-msg.bot {
  background: #1a2a3a; color: #e0e0e0; align-self: flex-start;
  border: 1px solid #2a4a6a;
}
.ai-msg.user {
  background: #4caf50; color: #fff; align-self: flex-end;
  text-shadow: 1px 1px 0 rgba(0,0,0,0.3);
}
.ai-msg a, .ai-msg a:visited { color: #4dd0e1; text-decoration: underline; }
.ai-msg a:hover { color: #ffd700; }
.ai-msg b { color: #ffd700; }
.ai-msg.bot a { color: #4dd0e1; font-weight: bold; }

.ai-input-row {
  display: flex; gap: 6px; padding: 8px;
  border-top: 3px solid #000; background: #0d1b2a;
}
.ai-input-row input {
  flex: 1; font-family: 'VT323', monospace; font-size: 16px;
  padding: 8px 10px; background: #1a2a3a; color: #fff;
  border: 2px solid #000; border-radius: 4px;
}
.ai-input-row input:focus { outline: none; border-color: #4dd0e1; }
.ai-input-row button {
  width: 38px; background: #4caf50; border: 2px solid #000;
  color: #fff; font-size: 16px; cursor: pointer; border-radius: 4px;
  box-shadow: inset 1px 1px 0 0 rgba(255,255,255,0.3);
}
.ai-input-row button:active { transform: scale(0.92); }

@media (max-width: 600px) {
  .ai-fab { bottom: 60px; right: 12px; width: 48px; height: 48px; font-size: 22px; }
  .ai-panel { right: 8px; bottom: 8px; width: calc(100vw - 16px); height: 70vh; }
}