/* ===== 主题变量 ===== */
:root {
  --bg: #fff0f6; --bg-2: #ffe3f0; --card: #ffffff;
  --text: #4a2b3a; --text-dim: #9a7488;
  --accent: #ff7eb3; --accent-2: #ffb3d1; --accent-text: #ffffff;
  --border: #ffd0e2; --shadow: rgba(255,126,179,.25);
}
[data-theme="hachimi"] {
  --bg: #fff0f6; --bg-2: #ffe3f0; --card: #ffffff;
  --text: #4a2b3a; --text-dim: #9a7488;
  --accent: #ff7eb3; --accent-2: #ffb3d1; --accent-text: #fff;
  --border: #ffd0e2; --shadow: rgba(255,126,179,.25);
}
[data-theme="cream"] {
  --bg: #fffbea; --bg-2: #fff1c9; --card: #ffffff;
  --text: #5c4a1f; --text-dim: #a8945e;
  --accent: #f6b93b; --accent-2: #ffd98a; --accent-text: #5c4a1f;
  --border: #ffe7ad; --shadow: rgba(246,185,59,.25);
}
[data-theme="mint"] {
  --bg: #effff8; --bg-2: #d9f7ea; --card: #ffffff;
  --text: #1f4a3a; --text-dim: #6ea392;
  --accent: #2ecc9a; --accent-2: #a3e8cf; --accent-text: #fff;
  --border: #bdeeda; --shadow: rgba(46,204,154,.25);
}
[data-theme="sea"] {
  --bg: #eff6ff; --bg-2: #dcebff; --card: #ffffff;
  --text: #21365c; --text-dim: #6f87b0;
  --accent: #4a9eff; --accent-2: #a8cdff; --accent-text: #fff;
  --border: #bcd9ff; --shadow: rgba(74,158,255,.25);
}
[data-theme="lavender"] {
  --bg: #f7f2ff; --bg-2: #ebe0ff; --card: #ffffff;
  --text: #3a2b5c; --text-dim: #8a7aa8;
  --accent: #9b6dff; --accent-2: #c9aaff; --accent-text: #fff;
  --border: #ddc9ff; --shadow: rgba(155,109,255,.25);
}
[data-theme="night"] {
  --bg: #1a1c22; --bg-2: #23262e; --card: #2a2e38;
  --text: #e8e6f0; --text-dim: #8f8ca3;
  --accent: #a29bfe; --accent-2: #6c5ce7; --accent-text: #fff;
  --border: #3d4150; --shadow: rgba(0,0,0,.45);
}

/* ===== 基础 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: linear-gradient(160deg, var(--bg), var(--bg-2));
  color: var(--text);
  min-height: 100vh;
  transition: background .35s, color .35s;
  overflow-x: hidden;
}
.page, #app { max-width: 860px; margin: 0 auto; padding: 18px 16px 60px; position: relative; z-index: 1; }

.hidden { display: none !important; }

/* ===== 顶栏 ===== */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: var(--card); /* 旧浏览器兜底 */
  background: color-mix(in srgb, var(--card) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1.5px solid var(--border);
}
.top-title { font-weight: 800; letter-spacing: 2px; font-size: 17px; }
.top-btn {
  border: 1.5px solid var(--border); background: var(--card); color: var(--text);
  padding: 7px 14px; border-radius: 999px; cursor: pointer; font-size: 13px;
  transition: transform .15s, box-shadow .15s;
}
.top-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px var(--shadow); }

/* ===== 背景猫猫 ===== */
.bg-cats { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.bg-cats span { position: absolute; font-size: 28px; opacity: .12; animation: floaty linear infinite; }
@keyframes floaty {
  0% { transform: translateY(105vh) rotate(0deg); }
  100% { transform: translateY(-15vh) rotate(360deg); }
}

/* ===== 面板与按钮 ===== */
.panel {
  background: var(--card); border: 1.5px solid var(--border);
  border-radius: 18px; padding: 20px; margin-bottom: 20px;
  box-shadow: 0 10px 30px var(--shadow);
}
.btn {
  border: 1.5px solid var(--border); background: var(--bg); color: var(--text);
  padding: 9px 18px; border-radius: 12px; font-size: 14px; cursor: pointer;
  transition: transform .15s, box-shadow .15s; font-family: inherit;
  text-decoration: none; display: inline-flex; align-items: center; gap: 5px;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px var(--shadow); }
.btn:active { transform: translateY(0); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-text); border: none; font-weight: 700;
}
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 12px; font-size: 12px; border-radius: 999px; }

/* ===== 首页 ===== */
.hero { text-align: center; margin: 18px 0 26px; }
.logo { font-size: 58px; display: inline-block; animation: bounce 2.4s ease-in-out infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0);} 50% { transform: translateY(-8px);} }
.hero h1 {
  font-size: 32px; letter-spacing: 4px; margin-top: 6px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.slogan { color: var(--text-dim); margin-top: 8px; }

.game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 720px) { .game-grid { grid-template-columns: repeat(4, 1fr); } }
/* 哈基米密语是招牌，独占顶部一整排 */
.game-card:first-child { grid-column: 1 / -1; text-align: center; align-items: center; }
.game-card {
  display: flex; flex-direction: column; gap: 4px; text-decoration: none;
  background: var(--card); border: 1.5px solid var(--border); border-radius: 16px;
  padding: 16px 14px; color: var(--text);
  transition: transform .18s, box-shadow .18s;
}
.game-card:hover { transform: translateY(-4px); box-shadow: 0 12px 26px var(--shadow); border-color: var(--accent); }
.g-icon { font-size: 32px; }
.g-title { font-weight: 700; font-size: 15px; margin-top: 4px; }
.g-desc { font-size: 12px; color: var(--text-dim); line-height: 1.5; flex: 1; }
.g-best { font-size: 11px; color: var(--accent); margin-top: 6px; }

/* ===== 模块通用 ===== */
.module .mod-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.module .mod-head h2 { font-size: 19px; flex: 1; }
.hud { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin: 8px 0 12px; font-size: 14px; color: var(--text-dim); }
.hud b { color: var(--accent); font-size: 16px; }
.board-canvas {
  display: block; margin: 0 auto; max-width: 100%; height: auto;
  border-radius: 12px; background: var(--bg); border: 1.5px solid var(--border);
  touch-action: none;
}
.ctrl-row { display: flex; gap: 10px; justify-content: center; margin-top: 12px; flex-wrap: wrap; }
.ctrl {
  width: 52px; height: 46px; font-size: 18px; border-radius: 12px;
  border: 1.5px solid var(--border); background: var(--bg); color: var(--text); cursor: pointer;
  user-select: none; touch-action: manipulation;
}
.ctrl:active { background: var(--accent-2); }
.msg-center { text-align: center; margin-top: 10px; min-height: 22px; color: var(--accent); font-size: 14px; }
.mod-note { font-size: 12px; color: var(--text-dim); text-align: center; margin-top: 10px; }

/* ===== 主题面板 ===== */
.theme-panel h2 { font-size: 16px; margin-bottom: 14px; }
.theme-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.theme-chip {
  display: flex; align-items: center; gap: 8px;
  border: 1.5px solid var(--border); background: var(--bg); color: var(--text);
  padding: 8px 14px; border-radius: 999px; cursor: pointer; font-size: 13px;
  transition: transform .15s, border-color .15s;
}
.theme-chip:hover { transform: translateY(-2px); }
.theme-chip.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-2); }
.dot { width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(135deg, var(--d1), var(--d2)); display: inline-block; }
.custom-row { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; font-size: 14px; }
.custom-row label { display: flex; align-items: center; gap: 10px; }
#hueSlider { accent-color: var(--accent); width: 160px; cursor: pointer; }
.hue-preview { width: 20px; height: 20px; border-radius: 50%; background: hsl(330, 80%, 62%); border: 2px solid var(--card); box-shadow: 0 0 0 1px var(--border); }
.mode-label { color: var(--text-dim); cursor: pointer; }
.mode-label input { accent-color: var(--accent); cursor: pointer; }

/* ===== 密语 ===== */
.cp-grid {
  display: grid;
  grid-template-areas: "in mid out";
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: stretch;
  margin: 18px 0 26px;
}
.cp-in-block { grid-area: in; }
.cp-mid {
  grid-area: mid;
  display: flex; flex-direction: column; justify-content: center;
  gap: 12px; padding: 0 4px;
}
.cp-mid .btn { white-space: nowrap; }
.cp-out-block { grid-area: out; }
.cp-block {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  display: flex; flex-direction: column;
}
.cp-block textarea { min-height: 190px; flex: 1; }
.cp-out { letter-spacing: .12em; line-height: 2; }
.cp-block .result-actions { margin-top: 12px; }
.cp-block .tip { margin-top: 8px; }
@media (max-width: 760px) {
  .cp-grid {
    grid-template-areas: "in" "mid" "out";
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .cp-mid {
    flex-direction: row; flex-wrap: wrap; justify-content: center;
    padding: 0;
  }
  .cp-block textarea { min-height: 130px; }
}
.io { margin-bottom: 6px; }
.io-title { display: block; font-weight: 600; margin-bottom: 8px; font-size: 15px; }
textarea {
  width: 100%; min-height: 110px; resize: vertical;
  border: 1.5px solid var(--border); border-radius: 12px; padding: 12px 14px;
  font-size: 15px; line-height: 1.7; background: var(--card); color: var(--text); font-family: inherit;
}
textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-2); }
textarea::placeholder { color: var(--text-dim); }
.result-actions { display: flex; gap: 10px; margin-top: 10px; }
.share-box { display: flex; gap: 8px; margin-top: 10px; }
.share-box input { flex: 1; border: 1.5px dashed var(--accent); border-radius: 10px; padding: 8px 12px; background: var(--card); color: var(--text-dim); font-size: 13px; }
.tip { margin-top: 10px; font-size: 13px; color: var(--accent); min-height: 18px; }
.about { margin-top: 6px; border-top: 1.5px dashed var(--border); padding-top: 16px; }
.about p { font-size: 14px; line-height: 1.9; color: var(--text-dim); margin-bottom: 6px; }
.about b { color: var(--accent); }

/* ===== 消消乐 ===== */
.m3-wrap { max-width: 420px; margin: 0 auto; }
.m3-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; }
.m3-cell {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  font-size: clamp(14px, 3.4vw, 24px); background: var(--bg); border-radius: 8px;
  cursor: pointer; user-select: none; transition: transform .12s, opacity .2s;
}
.m3-cell.sel { outline: 2.5px solid var(--accent); transform: scale(.9); }
.m3-cell.pop { animation: pop .25s forwards; }
@keyframes pop { to { transform: scale(0); opacity: 0; } }
.m3-cell.drop { animation: m3drop .18s ease-out; }
@keyframes m3drop { from { transform: translateY(-16px); opacity: .2; } to { transform: translateY(0); opacity: 1; } }
.m3-cell.reject { animation: m3reject .3s ease; }
@keyframes m3reject {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  50% { transform: translateX(4px); }
  75% { transform: translateX(-3px); }
}
.m3-cell { position: relative; }
.m3-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 4px; position: relative; }
.m3-burst {
  position: absolute; transform: translate(-50%, -50%);
  font-size: 22px; pointer-events: none; animation: m3burst .45s ease-out forwards;
}
@keyframes m3burst {
  0% { opacity: 1; transform: scale(.5); }
  100% { opacity: 0; transform: scale(1.8); }
}

/* ===== 记忆翻牌 ===== */
.mem-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; max-width: 380px; margin: 0 auto; }
.mem-card {
  aspect-ratio: 1; border-radius: 12px; border: 1.5px solid var(--border);
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #fff; font-size: clamp(18px, 5vw, 30px);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: transform .15s, opacity .3s; user-select: none;
}
.mem-card.open { background: var(--bg); color: inherit; transform: scale(1.05); }
.mem-card.done { opacity: .35; cursor: default; transform: none; }

/* ===== 打地鼠 ===== */
.mole-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 360px; margin: 0 auto; }
.mole-hole {
  aspect-ratio: 1; border-radius: 50%; border: 2px solid var(--border);
  background: radial-gradient(circle at 50% 120%, var(--accent-2), var(--bg));
  font-size: clamp(28px, 8vw, 44px); display: flex; align-items: flex-end; justify-content: center;
  cursor: pointer; user-select: none; overflow: hidden; transition: font-size .1s;
}
.mole-hole .who { transform: translateY(110%); transition: transform .12s; }
.mole-hole.up .who { transform: translateY(0); }
.mole-hole.bonk .who { transform: translateY(0) scale(1.2); }

/* ===== 2048 ===== */
.g2048-wrap { max-width: 380px; margin: 0 auto; }
.g2048 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; background: var(--bg); border-radius: 12px; padding: 8px; touch-action: none; }
.g2048 .cell { aspect-ratio: 1; border-radius: 8px; background: var(--card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: clamp(14px, 4.5vw, 26px); text-align: center; }
.g2048 .cell.t2 { background: #ffe3f0; } .g2048 .cell.t4 { background: #ffd6e8; }
.g2048 .cell.t8 { background: #ffb3d1; color: #fff; } .g2048 .cell.t16 { background: #ff8ec0; color: #fff; }
.g2048 .cell.t32 { background: #ff6db0; color: #fff; } .g2048 .cell.t64 { background: #ff4d9e; color: #fff; }
.g2048 .cell.t128 { background: #b39ddb; color: #fff; } .g2048 .cell.t256 { background: #9b6dff; color: #fff; }
.g2048 .cell.t512 { background: #845ef7; color: #fff; } .g2048 .cell.t1024 { background: #7048e8; color: #fff; }
.g2048 .cell.t2048 { background: linear-gradient(135deg, #ff7eb3, #9b6dff); color: #fff; }

/* ===== 拼图 ===== */
.pz-grid { display: grid; gap: 6px; max-width: 360px; margin: 0 auto; }
.pz-cell {
  aspect-ratio: 1; border-radius: 10px; border: 1.5px solid var(--border);
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #fff; font-size: clamp(18px, 6vw, 30px); font-weight: 800;
  display: flex; align-items: center; justify-content: center; cursor: pointer; user-select: none;
  transition: transform .1s;
}
.pz-cell:active { transform: scale(.94); }

/* ===== 五子棋 ===== */
.gom-wrap { max-width: 460px; margin: 0 auto; }

/* ===== 画板/你画我猜 ===== */
.draw-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; margin-bottom: 12px; }
.swatch { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--border); cursor: pointer; padding: 0; }
.swatch.active { outline: 2.5px solid var(--accent); }
#drawColor { width: 34px; height: 30px; border: none; background: none; cursor: pointer; }
#drawSize { accent-color: var(--accent); width: 110px; }
.draw-canvas { background: #fff; }

/* ===== 钢琴 ===== */
.pads { display: flex; gap: 6px; max-width: 560px; margin: 0 auto; }
.pad {
  flex: 1; height: 150px; border-radius: 0 0 12px 12px; border: 1.5px solid var(--border);
  border-top: 6px solid var(--accent); background: var(--card); color: var(--text);
  cursor: pointer; font-size: 13px; display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end; gap: 8px; padding-bottom: 10px;
  user-select: none; touch-action: manipulation; transition: background .1s, transform .08s;
}
.pad:active, .pad.hit { background: var(--accent-2); transform: translateY(2px); }
.pad .key { font-weight: 800; color: var(--accent); }
.pad .paw { font-size: 22px; }

/* ===== 今日哈签 ===== */
.fortune-card { max-width: 420px; margin: 0 auto; text-align: center; padding: 30px 24px; border-radius: 18px; background: linear-gradient(160deg, var(--accent-2), var(--card)); border: 2px solid var(--accent); }
.fortune-card .big { font-size: 40px; margin: 10px 0; }
.fortune-card .text { font-size: 16px; line-height: 1.9; margin: 12px 0; }
.fortune-card .meta { font-size: 13px; color: var(--text-dim); }

/* ===== 密语面板里的布局 ===== */
.work .actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 16px 0 22px; }

footer { text-align: center; font-size: 12px; color: var(--text-dim); margin-top: 30px; }

/* ===== 鼠标轨迹 + 点击特效 ===== */
.fx {
  position: fixed; z-index: 9999; pointer-events: none; user-select: none;
  font-size: 11px; line-height: 1; transform: translate(-50%, -50%);
  opacity: .45;
}
.fx-trail { animation: fxTrail .5s ease-out forwards; }
@keyframes fxTrail {
  0% { opacity: .45; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -130%) scale(.6); }
}
.fx-burst { animation: fxBurst .45s ease-out forwards; font-size: 13px; }
@keyframes fxBurst {
  0% { opacity: .8; transform: translate(-50%, -50%) scale(.6); }
  100% { opacity: 0; transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(1); }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 26px; }
  .logo { font-size: 46px; }
  .panel { padding: 14px; }
}

/* ===== 手机端适配 ===== */
@media (max-width: 600px) {
  .topbar { padding: 8px 12px; }
  .top-title { font-size: 15px; letter-spacing: 1px; }
  .top-btn { padding: 6px 11px; font-size: 12px; }
  .panel { padding: 12px; border-radius: 14px; }
  .module .mod-head h2 { font-size: 17px; }
  .hud { gap: 10px; font-size: 13px; }
  .hud b { font-size: 14px; }
  .btn { padding: 8px 14px; font-size: 13px; }
  .ctrl { width: 56px; height: 50px; font-size: 20px; }
  .msg-center { font-size: 13px; }

  /* 钢琴：8 键挤一排改成 4×2 两排 */
  .pads { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; max-width: 420px; }
  .pad { height: 106px; border-radius: 12px; border-top-width: 4px; }

  /* iOS 聚焦输入框时会强制放大页面，字号必须 ≥16px */
  textarea, .share-box input { font-size: 16px; }

  .m3-wrap, .mem-grid, .mole-grid, .g2048-wrap, .pz-grid, .gom-wrap { max-width: 100%; }
  .m3-burst { font-size: 18px; }
  .fortune-card { padding: 22px 16px; }
  footer { margin-top: 22px; }
}

/* 触屏设备：关闭鼠标轨迹（滚动时不会乱飘），保留点击特效 */
@media (pointer: coarse) {
  .fx-trail { display: none; }
}