/* AI 游戏工坊 — design system */
:root{
  --bg:#080510;
  --bg-soft:#0d0818;
  --panel:#120c20;
  --panel-2:#181029;
  --panel-3:#1f1636;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#f5f2ff;
  --text-2:#c9c1e0;
  --muted:#9a90b8;
  --brand:#8b5cf6;
  --brand-2:#a78bfa;
  --cyan:#22d3ee;
  --pink:#f472b6;
  --ok:#34d399;
  --warn:#fbbf24;
  --danger:#fb7185;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 50px -22px rgba(0,0,0,.9);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(139,92,246,.22), transparent 60%),
    radial-gradient(900px 500px at 92% 0%, rgba(34,211,238,.14), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:inherit}
img{max-width:100%;display:block}
::selection{background:rgba(139,92,246,.4)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:13px}
.tiny{font-size:12px}
.center{text-align:center}
.row{display:flex;align-items:center;gap:10px}
.row.between{justify-content:space-between}
.spacer{flex:1}
.stack{display:flex;flex-direction:column;gap:10px}
.hide{display:none !important}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  backdrop-filter:blur(14px);
  background:rgba(8,5,16,.72);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  display:grid;place-items:center;overflow:hidden;
  background:transparent;
  box-shadow:0 8px 22px -12px rgba(139,92,246,.85);
}
.brand-mark img{width:100%;height:100%;display:block;object-fit:cover;border-radius:11px}
.brand-mark svg{display:block;width:100%;height:100%}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text b{font-size:16px;letter-spacing:.2px}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.6px}
.search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
}
.search input{
  width:100%;height:40px;padding:0 14px 0 38px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:12px;color:var(--text);outline:none;
}
.search input::placeholder{color:var(--muted)}
.search input:focus{border-color:rgba(139,92,246,.65);background:rgba(139,92,246,.09)}
.search svg{position:absolute;left:12px;opacity:.6}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  display:flex;align-items:center;gap:7px;height:38px;padding:0 13px;border-radius:10px;
  color:var(--text-2);font-size:14px;
}
.nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.nav a.active{background:rgba(139,92,246,.16);color:#e7ddff;box-shadow:inset 0 0 0 1px rgba(139,92,246,.35)}
.nav .lbl-short{display:none}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,#a78bfa,#22d3ee);color:#0b0713;font-weight:700;font-size:14px;
  border:1px solid rgba(255,255,255,.2);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 18px;border-radius:12px;font-weight:600;font-size:14px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.06);color:var(--text);
  transition:transform .08s ease, background .15s ease, border-color .15s;
}
.btn:hover{background:rgba(255,255,255,.1)}
.btn:active{transform:translateY(1px)}
.btn.primary{
  background:linear-gradient(135deg,var(--brand),#6d28d9 60%,var(--cyan));
  border-color:transparent;box-shadow:0 14px 32px -16px rgba(139,92,246,.95);
}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn.sm{height:34px;padding:0 12px;border-radius:10px;font-size:13px}
.btn.lg{height:48px;padding:0 24px;font-size:15px;border-radius:14px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.icon-btn{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.05);
}
.icon-btn:hover{background:rgba(255,255,255,.1)}
.icon-btn.on{background:rgba(244,114,182,.16);border-color:rgba(244,114,182,.55);color:#ffd0e6}

/* ---------- section / hero ---------- */
.hero{
  position:relative;overflow:hidden;margin:22px 0 30px;padding:34px 34px 30px;
  border-radius:22px;border:1px solid var(--line);
  background:
    radial-gradient(700px 300px at 85% 10%, rgba(34,211,238,.2), transparent 60%),
    radial-gradient(600px 320px at 10% 90%, rgba(244,114,182,.16), transparent 60%),
    linear-gradient(150deg,#1a1030,#120b22 70%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:22px 22px;opacity:.35;mask-image:linear-gradient(120deg,#000,transparent 70%);
}
.hero h1{
  font-size:clamp(28px,4.4vw,44px);line-height:1.15;margin:12px 0 12px;letter-spacing:.5px;
  color:#fff;
}
.hero h1 .grad{
  background:linear-gradient(100deg,#a78bfa,#8b5cf6 55%,#22d3ee);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{margin:0;color:var(--text-2);max-width:560px;font-size:15px}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:rgba(139,92,246,.16);border:1px solid rgba(139,92,246,.42);color:#ddd0ff;
}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.hero-tags a.tag{transition:transform .12s ease,filter .12s ease}
.hero-tags a.tag:hover{transform:translateY(-1px);filter:brightness(1.15)}
.hero-actions .btn{position:relative;z-index:2}
.tag{
  font-size:12.5px;padding:5px 11px;border-radius:999px;color:#cbd5e1;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.03);
}
.tag.t1{color:#e9d5ff;border-color:rgba(167,139,250,.45);background:rgba(167,139,250,.12)}
.tag.t2{color:#a5f3fc;border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.1)}
.tag.t3{color:#fbcfe8;border-color:rgba(244,114,182,.4);background:rgba(244,114,182,.1)}

/* ---------- filters ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:34px 0 14px;flex-wrap:wrap}
.section-head h2{margin:0;font-size:23px;letter-spacing:.4px;display:flex;align-items:center;gap:9px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.select{
  height:40px;padding:0 34px 0 13px;border-radius:11px;color:var(--text);
  background:rgba(255,255,255,.05) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a79fc0' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  border:1px solid var(--line);appearance:none;outline:none;
}
.select:focus{border-color:rgba(139,92,246,.6)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:4px 0 18px}
.chip{
  height:34px;padding:0 14px;border-radius:999px;font-size:13px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.chip:hover{border-color:var(--line-strong);color:var(--text)}
.chip.on{background:rgba(139,92,246,.2);border-color:rgba(139,92,246,.6);color:#efe8ff;font-weight:600}

/* ---------- cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:18px}
.card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  transition:transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(139,92,246,.5);box-shadow:var(--shadow)}
.cover{
  position:relative;aspect-ratio:16/10;display:grid;place-items:center;overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.07);background:#0a0614;
}
.cover .art{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:0}
.cover .photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:0}
.cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background:linear-gradient(180deg,rgba(6,3,12,.35),transparent 38%,transparent 58%,rgba(6,3,12,.6));
}
.cover .type,.cover .plays,.cover .emblem{z-index:2}
.cover .plat{
  position:absolute;left:10px;top:40px;z-index:2;font-size:11px;font-weight:700;letter-spacing:.3px;
  padding:3px 8px;border-radius:999px;background:rgba(34,211,238,.22);border:1px solid rgba(34,211,238,.5);
  color:#c9f7ff;backdrop-filter:blur(6px);
}
.cover .emblem{
  position:absolute;left:8px;bottom:8px;z-index:1;
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:17px;line-height:1;background:rgba(8,5,16,.55);border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(6px);box-shadow:0 4px 12px rgba(0,0,0,.45);
}
.cover .emoji{font-size:52px;filter:drop-shadow(0 6px 16px rgba(0,0,0,.45))}
.cover .type{
  position:absolute;left:10px;top:10px;font-size:11.5px;font-weight:700;letter-spacing:.4px;
  padding:4px 9px;border-radius:999px;background:rgba(6,3,12,.55);border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);
}
.cover .plays{
  position:absolute;right:10px;top:10px;font-size:11.5px;padding:4px 9px;border-radius:999px;
  background:rgba(6,3,12,.55);border:1px solid rgba(255,255,255,.16);color:#e2dcf4;
}
.card-body{padding:13px 15px 15px;display:flex;flex-direction:column;gap:7px;flex:1}
.card-title{font-size:16px;font-weight:700;letter-spacing:.2px;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-desc{margin:0;color:var(--muted);font-size:13px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.card-meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12.5px;margin-top:auto}
.card-meta .author{display:flex;align-items:center;gap:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dot{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.5}
.stars{color:#fbbf24;letter-spacing:1px}

/* ---------- detail ---------- */
.crumbs{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin:20px 0 14px}
.crumbs a:hover{color:var(--text)}
.detail-hero{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);position:relative;
  display:grid;grid-template-columns:340px 1fr;min-height:260px;
}
.detail-cover{display:grid;place-items:center;position:relative;min-height:260px;overflow:hidden;background:#0a0614}
.detail-cover .art,.detail-cover .photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.detail-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 50%,rgba(12,8,22,.8));pointer-events:none}
.detail-cover .emblem{
  position:absolute;left:14px;bottom:14px;z-index:2;
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-size:22px;line-height:1;background:rgba(8,5,16,.6);border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(6px);box-shadow:0 6px 18px rgba(0,0,0,.5);
}
.detail-cover .emblem.big{font-size:22px}
.detail-info{padding:26px 28px;display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,rgba(20,13,34,.9),rgba(12,8,22,.92))}
.detail-info h1{margin:0;font-size:30px;letter-spacing:.4px}
.detail-info .lead{color:var(--text-2);margin:0;font-size:14.5px}
.variants{display:flex;gap:8px;flex-wrap:wrap;margin:2px 0}
.stat-row{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;align-items:center}
.stat{display:flex;align-items:center;gap:6px}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.detail-hero .btn.primary{background:linear-gradient(135deg,var(--accent,#8b5cf6),#6d28d9 70%);box-shadow:0 14px 32px -16px var(--accent,#8b5cf6)}
.detail-hero .icon-btn.on{border-color:var(--accent,#f472b6)}
.detail-hero .type{border-color:var(--accent,#8b5cf6) !important}
.tabs{display:flex;gap:4px;margin:26px 0 16px;padding:5px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03);overflow:auto}
.tab{height:36px;padding:0 16px;border-radius:10px;font-size:13.5px;color:var(--text-2);white-space:nowrap}
.tab.on{background:rgba(139,92,246,.22);color:#efe8ff;font-weight:600}
.panel{padding:20px 22px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
.panel h3{margin:0 0 10px;font-size:15px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
.comment{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.comment:last-child{border-bottom:0}
.comment .avatar{width:32px;height:32px;font-size:12px}
.comment-body{flex:1;min-width:0}
.comment-body .who{font-size:13px;color:var(--text-2);margin-bottom:2px}
.comment-body p{margin:0;font-size:14px}
.star-input{display:flex;gap:4px;font-size:24px;color:#3b3350}
.star-input button{color:inherit;line-height:1}
.star-input button.on{color:#fbbf24}
.detail-note{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);margin-top:12px}

/* ---------- play ---------- */
.play-top{display:flex;align-items:center;gap:12px;margin:18px 0 14px;flex-wrap:wrap}
.play-top .title{font-size:19px;font-weight:700}
.play-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.play-shell{display:grid;grid-template-columns:1fr 300px;gap:18px;align-items:start}
.chat{
  border:1px solid var(--line);border-radius:18px;background:var(--panel);
  display:flex;flex-direction:column;min-height:520px;overflow:hidden;
}
.chat-log{padding:18px;display:flex;flex-direction:column;gap:14px;overflow:auto;max-height:52vh;min-height:120px}
.msg{display:flex;gap:10px;max-width:88%}
.msg .bubble{padding:11px 14px;border-radius:14px;font-size:14.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word}
.msg.ai .bubble{background:rgba(255,255,255,.055);border:1px solid var(--line);border-top-left-radius:4px}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.msg.me .bubble{background:linear-gradient(135deg,rgba(139,92,246,.35),rgba(34,211,238,.24));border:1px solid rgba(167,139,250,.4);border-top-right-radius:4px}
.msg.sys{align-self:center;max-width:96%}
.msg.sys .bubble{background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.3);color:#fde68a;font-size:13px;border-radius:10px;text-align:center}
.msg .who{font-size:11.5px;color:var(--muted);margin-bottom:3px}
.typing{display:inline-flex;gap:4px;align-items:center}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.choices{display:flex;flex-wrap:wrap;gap:8px;padding:0 18px 12px}
.choice{
  font-size:13px;padding:8px 13px;border-radius:999px;border:1px solid rgba(167,139,250,.45);
  background:rgba(139,92,246,.14);color:#e9e0ff;text-align:left;
}
.choice:hover{background:rgba(139,92,246,.28)}
.composer{display:flex;gap:10px;padding:12px;border-top:1px solid var(--line);background:rgba(255,255,255,.02)}
.composer input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:rgba(0,0,0,.3);color:var(--text);outline:none}
.composer input:focus{border-color:rgba(139,92,246,.6)}
.side-card{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:16px}
.side-card h4{margin:0 0 10px;font-size:13px;color:var(--muted);letter-spacing:.6px;text-transform:uppercase}
.score-big{font-size:32px;font-weight:800;letter-spacing:1px;background:linear-gradient(100deg,#fff,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.leaderboard{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:13px}
.leaderboard li{display:flex;justify-content:space-between;gap:10px;color:var(--text-2)}
.leaderboard li b{color:var(--text)}
.board{border:1px solid var(--line);border-radius:14px;background:rgba(0,0,0,.25);padding:14px;margin:0 18px 12px}
.board:empty{display:none}
.ttt{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:300px;margin:0 auto}
.ttt button{
  aspect-ratio:1;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  font-size:30px;font-weight:800;display:grid;place-items:center;
}
.ttt button:hover{background:rgba(139,92,246,.16)}
.ttt button.x{color:#67e8f9}.ttt button.o{color:#f9a8d4}
.ttt button.win{background:rgba(52,211,153,.2);border-color:rgba(52,211,153,.6)}
.memory{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;max-width:340px;margin:0 auto}
.memory button{
  aspect-ratio:1;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.05);
  font-size:24px;display:grid;place-items:center;transition:transform .12s;
}
.memory button.flipped{background:linear-gradient(135deg,rgba(139,92,246,.35),rgba(34,211,238,.25))}
.memory button.done{opacity:.45;border-color:rgba(52,211,153,.5)}
.quiz-opts{display:grid;gap:8px}
.quiz-opts button{
  text-align:left;padding:11px 14px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);font-size:14px;
}
.quiz-opts button:hover{background:rgba(139,92,246,.16);border-color:rgba(167,139,250,.5)}
.quiz-opts button.right{background:rgba(52,211,153,.18);border-color:rgba(52,211,153,.6)}
.quiz-opts button.wrong{background:rgba(251,113,133,.16);border-color:rgba(251,113,133,.55)}
.guess-row{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.guess-cell{
  width:44px;height:44px;border-radius:9px;display:grid;place-items:center;font-weight:700;font-size:18px;
  background:rgba(255,255,255,.07);border:1px solid var(--line);
}
.guess-cell.hit{background:rgba(52,211,153,.45);border-color:rgba(52,211,153,.8)}
.guess-cell.near{background:rgba(251,191,36,.35);border-color:rgba(251,191,36,.7)}
.rps-row{display:flex;gap:10px;justify-content:center}
.rps-row button{width:74px;height:74px;font-size:30px;border-radius:16px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04)}
.rps-row button:hover{background:rgba(139,92,246,.2)}

/* ---------- 迷宫 / 推箱 / 2048 / 贪吃蛇 ---------- */
.hud-row{display:flex;gap:14px;justify-content:center;font-size:12.5px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}
.dpad{display:grid;grid-template-columns:repeat(3,52px);grid-template-rows:repeat(2,44px);gap:6px;justify-content:center;margin-top:12px}
.dpad button{
  border:1px solid var(--line-strong);background:rgba(255,255,255,.06);border-radius:10px;font-size:17px;color:#e8e0ff;
}
.dpad button:hover{background:rgba(139,92,246,.22)}
.dpad button[data-dir=up]{grid-column:2;grid-row:1}
.dpad button[data-dir=left]{grid-column:1;grid-row:2}
.dpad button[data-dir=down]{grid-column:2;grid-row:2}
.dpad button[data-dir=right]{grid-column:3;grid-row:2}

.maze{display:grid;gap:2px;width:min(100%,420px);margin:0 auto;aspect-ratio:1;background:rgba(0,0,0,.35);padding:6px;border-radius:10px}
.mz{
  border-radius:3px;background:#080511;display:grid;place-items:center;font-size:9px;line-height:1;
  color:#e8e0ff;transition:background .12s;
}
.mz.floor{background:#0d0918}
.mz.seen{background:#241a3f}
.mz.vis{background:#3a2c66;box-shadow:inset 0 0 0 1px rgba(167,139,250,.28)}
.mz.key{background:#4a3512;box-shadow:inset 0 0 0 1px rgba(251,191,36,.7)}
.mz.trap{background:#4a1624;box-shadow:inset 0 0 0 1px rgba(251,113,133,.6)}
.mz.exit{background:#123f2c;box-shadow:inset 0 0 0 1px rgba(52,211,153,.75)}
.mz.monster{background:#3b0f3e;box-shadow:inset 0 0 0 1px rgba(244,114,182,.6)}
.mz.player{background:#8b5cf6;color:#fff;font-size:11px;box-shadow:0 0 14px rgba(139,92,246,.95)}

.sokoban{display:grid;gap:3px;width:min(100%,360px);margin:0 auto}
.sb{
  aspect-ratio:1;border-radius:4px;background:#191228;position:relative;display:grid;place-items:center;
}
.sb.wall{background:#2a2140;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.sb.goal::after{content:"";width:34%;height:34%;border-radius:50%;border:2px dashed rgba(52,211,153,.7)}
.sb.box{background:linear-gradient(160deg,#b45309,#78350f);box-shadow:inset 0 -3px 0 rgba(0,0,0,.35),0 2px 6px rgba(0,0,0,.4)}
.sb.box::after{content:"";position:absolute;inset:22%;border:2px solid rgba(255,255,255,.35);border-radius:3px}
.sb.done{background:linear-gradient(160deg,#059669,#065f46);box-shadow:inset 0 -3px 0 rgba(0,0,0,.3),0 0 12px rgba(52,211,153,.5)}
.sb.player::after{content:"🧍";position:absolute;font-size:16px;line-height:1}

.g2048{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;width:min(100%,320px);margin:0 auto;
  background:rgba(255,255,255,.05);padding:8px;border-radius:14px;border:1px solid var(--line)}
.tile{
  aspect-ratio:1;border-radius:9px;display:grid;place-items:center;font-weight:800;font-size:17px;
  background:rgba(255,255,255,.04);color:#f6f2ff;
}
.tile.empty{background:rgba(255,255,255,.03)}
.t2{background:#2b2440}.t4{background:#3a2f5c}
.t8{background:#4c3b78}.t16{background:#5b3f8f}
.t32{background:#7c3aed}.t64{background:#6d28d9}
.t128{background:#0e7490}.t256{background:#0891b2}
.t512{background:#0d9488}.t1024{background:#059669}
.t2048{background:linear-gradient(135deg,#f59e0b,#ef4444);color:#1a1205}
.t4096{background:linear-gradient(135deg,#f472b6,#8b5cf6)}

.snake{display:grid;gap:1px;width:min(100%,380px);margin:0 auto;aspect-ratio:1;
  background:rgba(34,211,238,.06);padding:4px;border-radius:12px;border:1px solid rgba(34,211,238,.18)}
.sk{border-radius:2px;background:rgba(255,255,255,.02)}
.sk.body{background:#22d3ee;box-shadow:0 0 6px rgba(34,211,238,.5)}
.sk.head{background:#a5f3fc;box-shadow:0 0 10px rgba(165,243,252,.9)}
.sk.food{background:#f472b6;border-radius:50%;box-shadow:0 0 10px rgba(244,114,182,.9)}

/* ---------- 整包网页游戏（iframe） ---------- */
.embed-shell{
  position:relative;height:calc(100vh - 196px);min-height:520px;
  border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#07050d;
  box-shadow:0 18px 50px -24px rgba(0,0,0,.9);
}
.embed-shell iframe{width:100%;height:100%;border:0;display:block;background:#07050d}
.embed-shell:fullscreen{height:100vh;border-radius:0;border:0}

/* ---------- 发布页：封面场景选择 ---------- */
.cover-preview{
  width:100%;max-width:320px;aspect-ratio:16/10;border-radius:14px;overflow:hidden;position:relative;
  border:1px solid var(--line-strong);margin-bottom:10px;
}
.cover-preview .art{position:absolute;inset:0;width:100%;height:100%}
.scene-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;margin:4px 0 8px}
.scene-opt{
  position:relative;border-radius:10px;overflow:hidden;border:2px solid transparent;aspect-ratio:16/10;
  background:#0d0818;padding:0;
}
.scene-opt .art{position:absolute;inset:0;width:100%;height:100%}
.scene-opt span{
  position:absolute;left:0;right:0;bottom:0;font-size:10px;padding:2px 4px;text-align:center;
  background:linear-gradient(180deg,transparent,rgba(6,3,12,.9));color:#e8e0ff;
}
.scene-opt.on{border-color:#fff;box-shadow:0 0 0 3px rgba(139,92,246,.5)}

/* 发布页：封面照片库 + AI 接入 */
.photo-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px;margin:4px 0 8px}
.photo-opt{
  position:relative;border-radius:10px;overflow:hidden;border:2px solid transparent;aspect-ratio:16/10;
  background:#0d0818;padding:0;
}
.photo-opt img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.photo-opt span{
  position:absolute;left:0;right:0;bottom:0;font-size:10px;padding:2px 4px;text-align:center;
  background:linear-gradient(180deg,transparent,rgba(6,3,12,.92));color:#e8e0ff;
}
.photo-opt:hover{border-color:rgba(167,139,250,.6)}
.photo-opt.on{border-color:#fff;box-shadow:0 0 0 3px rgba(139,92,246,.5)}

.ai-block{margin-top:6px;padding:16px;border:1px dashed rgba(167,139,250,.4);border-radius:14px;background:rgba(139,92,246,.06)}
.ai-modes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ai-mode{
  display:flex;flex-direction:column;gap:3px;padding:11px 13px;border-radius:11px;cursor:pointer;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.ai-mode input{display:none}
.ai-mode b{font-size:13.5px}
.ai-mode span{font-size:12px;color:var(--muted);line-height:1.5}
.ai-mode.on{border-color:rgba(139,92,246,.7);background:rgba(139,92,246,.16)}
.ai-mode.on b{color:#efe8ff}
code{font-size:12px;padding:1px 5px;border-radius:5px;background:rgba(255,255,255,.08)}

.accent-picker{display:flex;gap:8px;flex-wrap:wrap}
.accent-opt{
  width:30px;height:30px;border-radius:9px;border:2px solid transparent;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);
}
.accent-opt.on{border-color:#fff;box-shadow:0 0 0 3px rgba(139,92,246,.45), inset 0 0 0 1px rgba(255,255,255,.4)}

/* ---------- forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13.5px;color:var(--text-2);display:flex;gap:6px;align-items:center}
.req{color:var(--danger)}
.field input[type=text],.field textarea,.field select{
  width:100%;padding:11px 13px;border-radius:11px;border:1px solid var(--line);
  background:rgba(0,0,0,.28);color:var(--text);outline:none;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.6}
.field input:focus,.field textarea:focus,.field select:focus{border-color:rgba(139,92,246,.65);background:rgba(139,92,246,.07)}
.field .hint{font-size:12px;color:var(--muted)}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:rgba(251,113,133,.7)}
[data-field=upload].invalid{outline:1px solid rgba(251,113,133,.7);outline-offset:3px;border-radius:12px}
.field .err{font-size:12px;color:#fda4af;display:none}
.field.invalid .err{display:block}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.counter{font-size:11.5px;color:var(--muted);text-align:right}
.cover-picker{display:flex;gap:10px;flex-wrap:wrap}
.cover-opt{
  width:64px;height:52px;border-radius:10px;border:2px solid transparent;display:grid;place-items:center;font-size:22px;
}
.cover-opt.on{border-color:#fff;box-shadow:0 0 0 3px rgba(139,92,246,.45)}
.form-card{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:22px}
.preview-card{position:sticky;top:88px}

/* ---------- auth ---------- */
.auth{display:grid;grid-template-columns:1fr 420px;gap:34px;align-items:center;min-height:calc(100vh - 160px);padding:20px 0}
.auth-aside h2{font-size:32px;margin:0 0 12px;letter-spacing:.5px}
.auth-aside p{color:var(--text-2);margin:0 0 18px}
.benefits{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.benefits li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);font-size:14px}
.benefits .bi{
  width:26px;height:26px;border-radius:8px;flex:none;display:grid;place-items:center;font-size:13px;
  background:rgba(139,92,246,.18);border:1px solid rgba(139,92,246,.4);
}
.auth-card{border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,#150e26,#100a1d);padding:24px;box-shadow:var(--shadow)}
.auth-tabs{display:flex;gap:6px;padding:5px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);margin-bottom:20px}
.auth-tabs button{flex:1;height:36px;border-radius:9px;font-size:13.5px;color:var(--text-2)}
.auth-tabs button.on{background:rgba(139,92,246,.24);color:#f0eaff;font-weight:600}
.qr-box{
  display:flex;flex-direction:column;align-items:center;gap:12px;padding:18px;border-radius:16px;
  background:#fff;position:relative;overflow:hidden;
}
.qr-box canvas{width:216px;height:216px;display:block;border-radius:6px}
.qr-state{
  position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:rgba(255,255,255,.96);color:#1b1230;text-align:center;padding:18px;
}
.qr-state.show{display:flex}
.qr-state .big{font-size:15px;font-weight:700}
.qr-state .sub{font-size:12.5px;color:#5b5172}
.qr-state button{
  height:36px;padding:0 16px;border-radius:10px;background:#6d28d9;color:#fff;font-weight:600;font-size:13px;
}
.qr-hint{font-size:13px;color:var(--text-2);text-align:center;line-height:1.7}
.qr-progress{height:3px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden;width:100%}
.qr-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--cyan));transition:width 1s linear}
.auth-foot{font-size:12px;color:var(--muted);text-align:center;margin-top:16px;line-height:1.7}
.auth-foot a{color:#c4b5fd;text-decoration:underline;text-underline-offset:2px}
.otp-row{display:flex;gap:10px}
.otp-row input{flex:1}
.dev-note{
  margin-top:14px;padding:10px 12px;border-radius:10px;font-size:12px;color:#c7bdf0;
  background:rgba(139,92,246,.1);border:1px dashed rgba(167,139,250,.45);line-height:1.7;
}
.dev-note b{color:#fff}

/* phone confirm page */
.confirm-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.confirm-card{
  width:100%;max-width:380px;border-radius:22px;border:1px solid var(--line);
  background:linear-gradient(180deg,#171029,#0f0a1c);padding:26px;box-shadow:var(--shadow);
}
.confirm-app{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.confirm-card h2{font-size:20px;margin:0 0 6px}
.confirm-card p{color:var(--text-2);margin:0 0 18px;font-size:14px}
.confirm-actions{display:flex;flex-direction:column;gap:10px}

/* ---------- toast / modal ---------- */
.toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:26px;z-index:90;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  pointer-events:auto;display:flex;align-items:center;gap:9px;max-width:min(92vw,420px);
  padding:11px 16px;border-radius:12px;font-size:13.5px;
  background:rgba(26,18,44,.97);border:1px solid var(--line-strong);box-shadow:0 16px 40px -18px rgba(0,0,0,.95);
  animation:toast-in .18s ease;
}
.toast.ok{border-color:rgba(52,211,153,.5)}
.toast.err{border-color:rgba(251,113,133,.55)}
.toast .i{font-size:15px}
@keyframes toast-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.toast.out{opacity:0;transform:translateY(6px);transition:.18s}
.modal-mask{position:fixed;inset:0;z-index:80;background:rgba(4,2,9,.72);backdrop-filter:blur(6px);display:grid;place-items:center;padding:20px;animation:fade .16s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{
  width:100%;max-width:420px;border-radius:20px;border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#181028,#100a1d);padding:24px;box-shadow:var(--shadow);
}
.modal h3{margin:0 0 8px;font-size:18px}
.modal p{margin:0 0 18px;color:var(--text-2);font-size:14px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.modal .qr-wrap{display:flex;flex-direction:column;align-items:center;gap:10px}
.modal .qr-wrap canvas{width:190px;height:190px;background:#fff;border-radius:10px;padding:8px}
.share-url{display:flex;gap:8px}
.share-url input{flex:1;height:38px;padding:0 11px;border-radius:10px;border:1px solid var(--line);background:rgba(0,0,0,.35);color:var(--text-2);font-size:12.5px}

/* ---------- misc ---------- */
.empty{
  display:flex;flex-direction:column;align-items:center;gap:10px;padding:54px 20px;text-align:center;
  border:1px dashed rgba(255,255,255,.14);border-radius:18px;background:rgba(255,255,255,.02);
}
.empty .ico{width:62px;height:62px;border-radius:18px;display:grid;place-items:center;font-size:28px;background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.35)}
.empty h3{margin:0;font-size:16px}
.empty p{margin:0;color:var(--muted);font-size:13.5px;max-width:380px}
.skeleton{background:linear-gradient(90deg,rgba(255,255,255,.05),rgba(255,255,255,.11),rgba(255,255,255,.05));background-size:200% 100%;animation:sh 1.2s infinite}
@keyframes sh{0%{background-position:200% 0}100%{background-position:-200% 0}}
.footer{border-top:1px solid var(--line);margin-top:46px;padding:26px 0 34px;color:var(--muted);font-size:12.5px}
#app{min-height:100vh;display:flex;flex-direction:column}
#app > main{width:100%;flex:1 0 auto}
#app > .footer{margin-top:auto}
.footer-center{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.footer-line{font-size:13px;color:#c9c1e0;letter-spacing:.3px}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.badge-lite{font-size:11.5px;color:#c9c1e0;border:1px solid var(--line-strong);border-radius:999px;padding:3px 9px;transition:border-color .12s,color .12s}
a.badge-lite:hover{border-color:rgba(139,92,246,.6);color:#efe8ff}
.notice{
  display:flex;gap:10px;align-items:flex-start;padding:11px 14px;border-radius:12px;font-size:13px;
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.28);color:#b9f2fb;
}
.notice.warn{background:rgba(251,191,36,.09);border-color:rgba(251,191,36,.3);color:#fde8b0}

@media (max-width:900px){
  .detail-hero{grid-template-columns:1fr}
  .detail-cover{min-height:200px}
  .play-shell{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .preview-card{position:static}
  .auth{grid-template-columns:1fr;min-height:auto;padding:8px 0 24px}
  .auth-aside h2{font-size:26px}
  .benefits{display:none}
}
@media (max-width:640px){
  .wrap{padding:0 14px}
  .topbar-inner{height:auto;padding:8px 14px 10px;gap:8px;flex-wrap:wrap}
  .brand{order:1;gap:8px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-text b{font-size:12.5px;letter-spacing:0;white-space:nowrap}
  .brand-text span{display:none}
  .nav{order:2;margin-left:auto;gap:0}
  .nav a{height:34px;padding:0 6px;font-size:13px;white-space:nowrap}
  .nav a[href="/"]{display:none}
  .nav a .lbl{display:none}
  .nav a .lbl-short{display:inline;font-size:12.5px;margin-left:3px}
  .nav a.btn.sm{padding:0 10px;font-size:12.5px}
  .search{order:3;display:flex;flex:1 0 100%;max-width:none;height:38px}
  .search input{height:38px;font-size:13px}
  .btn{white-space:nowrap}
  .hero{padding:24px 18px;border-radius:18px}
  .hero-actions{margin-top:18px;gap:8px}
  .hero-actions .btn{height:42px;padding:0 18px;font-size:13.5px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .cover .emoji{font-size:38px}
  .card-body{padding:11px 12px 13px}
  .card-desc{-webkit-line-clamp:2;font-size:12.5px;min-height:36px}
  .card-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.35;min-height:2.7em}
  .detail-info{padding:18px}
  .detail-info h1{font-size:23px}
  .detail-cover .emoji{font-size:64px}
  .tabs{flex-wrap:wrap;overflow:visible;gap:6px}
  .tab{flex:1 1 calc(50% - 6px);height:34px;padding:0 6px;font-size:13px}
  .play-top{gap:8px}
  .play-top .title{flex:1 1 auto;min-width:0;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .play-top .tag{display:none}
  .play-top .spacer{display:none}
  .play-top .btn.sm{padding:0 10px;font-size:12.5px}
  .play-tools{flex:1 0 100%;justify-content:flex-end}
  .chat-log{max-height:52vh}
  .toasts{bottom:14px}
  .two{grid-template-columns:1fr}
  .kv{grid-template-columns:88px 1fr}
}