:root{
  --bg:#f4f6fb;
  --bg2:#ffffff;
  --line:#e5e9f2;
  --line2:#eef1f7;
  --text:#1f2735;
  --muted:#7b8698;
  --brand:#e0453a;
  --brand2:#f2705f;
  --green:#12a86b;
  --blue:#2f6bff;
  --gold:#f5a623;
  --felt:#1f7a5a;
  --felt2:#17624a;
  --radius:14px;
  --shadow:0 4px 18px rgba(31,39,53,.07);
  --shadow2:0 10px 34px rgba(31,39,53,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;overflow:hidden;
}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
code{background:#eef1f7;padding:1px 6px;border-radius:5px;font-size:12px;color:#c0392b}

/* ---------- 顶栏 ---------- */
.topbar{
  height:56px;flex:0 0 56px;display:flex;align-items:center;gap:18px;padding:0 18px;
  background:linear-gradient(90deg,#fff,#fdfdff);border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(0,0,0,.02);z-index:20;
}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:16px;letter-spacing:.5px;white-space:nowrap}
.brand .logo{font-size:22px}
.tabs{display:flex;gap:4px}
.tab{padding:7px 16px;border-radius:999px;color:var(--muted);font-weight:600;transition:.15s}
.tab:hover{background:#f0f3f9;color:var(--text)}
.tab.active{background:var(--brand);color:#fff;box-shadow:0 3px 10px rgba(224,69,58,.3)}
.me{display:flex;align-items:center;gap:8px;margin-left:auto}
.nick{width:120px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;outline:none;transition:.15s}
.nick:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(224,69,58,.12)}
.chip{background:#f0f3f9;color:var(--muted);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.dot{width:9px;height:9px;border-radius:50%;background:#c9cfdb;display:inline-block}
.dot.on{background:var(--green);box-shadow:0 0 0 3px rgba(18,168,107,.16)}
.dot.off{background:var(--brand)}

/* ---------- 布局 ---------- */
.layout{flex:1;display:flex;min-height:0}
.main{flex:1;overflow-y:auto;padding:18px;min-width:0}
.side{width:320px;flex:0 0 320px;border-left:1px solid var(--line);background:#fff;display:flex;flex-direction:column;min-height:0}
.view{display:none;animation:fade .25s}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.grow{flex:1}
.muted{color:var(--muted)}
.small{font-size:12px}
.pad{padding:10px 14px}

/* ---------- 按钮 ---------- */
.btn{padding:8px 16px;border-radius:10px;font-weight:600;transition:.15s;border:1px solid transparent}
.btn:active{transform:translateY(1px)}
.btn.big{padding:11px 26px;font-size:15px}
.btn.tiny{padding:4px 10px;font-size:12px;border-radius:8px}
.btn.primary{background:var(--brand);color:#fff;box-shadow:0 3px 10px rgba(224,69,58,.25)}
.btn.primary:hover{background:var(--brand2)}
.btn.success{background:var(--green);color:#fff;box-shadow:0 3px 10px rgba(18,168,107,.25)}
.btn.success:hover{filter:brightness(1.07)}
.btn.ghost{background:#fff;color:var(--text);border-color:var(--line)}
.btn.ghost:hover{background:#f5f7fc;border-color:#d5dbe8}
.btn.danger{background:#fff;color:var(--brand);border-color:#f3cfcc}
.btn.danger:hover{background:#fff1f0}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}

/* ---------- 面板 ---------- */
.panel{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;overflow:hidden}
.panel-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line2);background:#fcfdff}
.panel-head .title{font-weight:700}
.panel-foot{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:1px solid var(--line2);background:#fcfdff}
.hero{background:linear-gradient(135deg,#fff6f5,#f3f8ff);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:16px}
.hero h1{font-size:26px;margin-bottom:8px;letter-spacing:.5px}
.hero p{color:var(--muted);max-width:640px;margin-bottom:18px}
.hero-btns{display:flex;gap:10px;flex-wrap:wrap}
.tips{padding:14px 18px 16px 32px;color:#4a5568}
.tips li{margin:6px 0}

/* ---------- 大厅房间 ---------- */
.seats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:16px}
.seat-card{border:1px dashed var(--line);border-radius:12px;padding:14px;text-align:center;min-height:96px;display:flex;flex-direction:column;justify-content:center;gap:4px;background:#fcfdff}
.seat-card.filled{border-style:solid;border-color:#cfe3ff;background:#f7faff}
.seat-card.ai{border-color:#ffe0b2;background:#fffaf2}
.seat-card.empty{color:var(--muted)}
.seat-card .nm{font-weight:700;font-size:15px;word-break:break-all}
.seat-card .sub{font-size:12px;color:var(--muted)}
.seat-card .kick{font-size:11px;color:var(--brand);margin-top:2px}
.badge{display:inline-block;font-size:11px;padding:1px 7px;border-radius:999px;background:#eef1f7;color:var(--muted);font-weight:700}
.badge.host{background:#fff0ee;color:var(--brand)}
.badge.ai{background:#fff4e5;color:#d98026}
.badge.off{background:#fdecec;color:#c0392b}

.room-list{padding:8px 12px 14px}
.room-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;transition:.15s}
.room-item:hover{background:#f6f8fc}
.room-item .code{font-weight:800;letter-spacing:1px}
.room-empty{padding:18px;text-align:center;color:var(--muted)}

/* ---------- 牌桌 ---------- */
.table{
  position:relative;border-radius:18px;padding:16px;min-height:560px;
  background:radial-gradient(ellipse at 50% 38%,#2b9c78 0%,var(--felt) 45%,var(--felt2) 100%);
  box-shadow:var(--shadow2);color:#fff;overflow:hidden;
  display:flex;flex-direction:column;
}
.table::after{content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.12);border-radius:14px;pointer-events:none}
.table-info{display:flex;align-items:center;gap:8px;position:relative;z-index:2}
.pill{background:rgba(0,0,0,.28);padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;backdrop-filter:blur(4px)}
.timer{background:rgba(245,166,35,.95);color:#3d2a00;padding:3px 12px;border-radius:999px;font-weight:800;font-size:13px}
.seat-row{display:flex;justify-content:center;gap:26px;position:relative;z-index:2}
.seat-row.top{margin-top:6px}
.seat-row.bottom{margin-top:auto;margin-bottom:6px}

.seat{min-width:150px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:12px;padding:8px 12px;backdrop-filter:blur(6px);position:relative}
.seat.active{box-shadow:0 0 0 2px var(--gold),0 6px 20px rgba(0,0,0,.3)}
.seat .nm{font-weight:800;font-size:14px;display:flex;align-items:center;gap:6px;justify-content:center}
.seat .cnt{position:absolute;top:-10px;right:-10px;background:var(--brand);color:#fff;border-radius:999px;min-width:26px;height:26px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;border:2px solid #fff}
.seat .tag{font-size:11px;text-align:center;opacity:.85;margin-top:2px}
.seat.me{background:rgba(255,255,255,.2)}
.crown{color:var(--gold)}

.played-area{display:flex;justify-content:center;align-items:center;gap:20px;min-height:132px;margin:6px 0;position:relative;z-index:2}
.played-slot{min-width:120px;min-height:96px;display:flex;align-items:center;justify-content:center}
.played-slot.center{min-width:260px}
.played-tip{opacity:.55;font-size:13px}

/* ---------- 扑克牌 ---------- */
.mini-hand{display:flex;justify-content:center;margin-top:4px}
.mini-card{width:16px;height:23px;border-radius:3px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);margin-left:-9px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;color:#222;position:relative}
.mini-card:first-child{margin-left:0}
.mini-card.red{color:#d0021b}
.mini-back{background:linear-gradient(135deg,#3f7fd6,#2b5fb0)}

.cards{display:flex;justify-content:center;flex-wrap:wrap;gap:0}
.card{
  width:56px;height:80px;border-radius:7px;background:#fff;color:#222;
  box-shadow:0 2px 6px rgba(0,0,0,.22);position:relative;margin:0 -14px;
  display:block;padding:5px 0 0 7px;overflow:hidden;
  transition:transform .12s,box-shadow .12s;user-select:none;cursor:pointer;
  border:1px solid #e3e6ec;flex:0 0 auto;
}
.card:hover{transform:translateY(-6px);z-index:5}
.card.sel{transform:translateY(-16px);box-shadow:0 8px 18px rgba(0,0,0,.3);border-color:var(--gold)}
.card.sel::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--gold);border-radius:0 0 7px 7px}
.card .corner{line-height:1;text-align:left}
.card .r{font-size:19px;font-weight:900;line-height:1}
.card .s{font-size:13px;line-height:1.15;margin-top:1px}
.card .mid{position:absolute;right:5px;bottom:4px;font-size:20px;line-height:1;opacity:.22}
.card.red{color:#d0021b}
.card.big .r{font-size:16px}
.card.back{background:linear-gradient(135deg,#3f7fd6,#2b5fb0)}
.card.back::after{content:"";position:absolute;inset:5px;border:1px solid rgba(255,255,255,.4);border-radius:4px}
.card.sm{width:42px;height:60px;margin:0 -10px;padding:4px 0 0 6px}
.card.sm .r{font-size:15px}
.card.sm .s{font-size:10px}
.card.sm .mid{font-size:14px}
.card.xs{width:34px;height:48px;margin:0 -9px;padding:3px 0 0 5px}
.card.xs .r{font-size:13px}
.card.xs .s{font-size:9px}
.card.xs .mid{font-size:11px}

.my-hand{position:relative;z-index:3;min-height:100px;display:flex;align-items:flex-end;justify-content:center;padding-top:14px}
.my-hand .cards{max-width:100%;padding:0 20px}

.actions{position:relative;z-index:3;display:flex;justify-content:center;gap:10px;margin-top:12px;min-height:42px;flex-wrap:wrap}
.act{padding:9px 22px;border-radius:999px;font-weight:800;color:#fff;box-shadow:0 4px 12px rgba(0,0,0,.25);transition:.15s}
.act:active{transform:translateY(1px)}
.act.play{background:linear-gradient(180deg,#f2705f,#e0453a)}
.act.pass{background:linear-gradient(180deg,#8f9bb3,#6b7789)}
.act.hint{background:linear-gradient(180deg,#4b8bff,#2f6bff)}
.act.bid{background:linear-gradient(180deg,#ffc14d,#f5a623);color:#4a3200}
.act.no{background:linear-gradient(180deg,#a7b0c0,#7d8798)}
.act:disabled{opacity:.4;cursor:not-allowed}

.result{padding:6px 16px 14px}
.res-row{display:flex;align-items:center;gap:10px;padding:9px 4px;border-bottom:1px solid var(--line2)}
.res-row:last-child{border-bottom:none}
.res-row .nm{font-weight:700;min-width:110px}
.res-row .up{color:var(--brand);font-weight:800}
.res-row .down{color:var(--green);font-weight:800}
.res-title{font-size:18px;font-weight:800;padding:12px 4px 4px}

/* ---------- 聊天 ---------- */
.side-head{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid var(--line2)}
.side-head .title{font-weight:700}
.chat-scope{display:flex;gap:14px;padding:8px 14px;border-bottom:1px solid var(--line2);font-size:13px;color:var(--muted)}
.chat-scope label{display:flex;align-items:center;gap:4px;cursor:pointer}
.chat-box{flex:1;overflow-y:auto;padding:10px 14px;display:flex;flex-direction:column;gap:7px;min-height:0}
.msg{font-size:13px;line-height:1.5;word-break:break-word}
.msg .who{font-weight:700;margin-right:4px}
.msg.sys{color:var(--muted);font-size:12px;font-style:italic}
.msg.mine .who{color:var(--brand)}
.chat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line2)}
.chat-input input{flex:1;padding:8px 12px;border:1px solid var(--line);border-radius:9px;outline:none;min-width:0}
.chat-input input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(224,69,58,.1)}
.quick{display:flex;flex-wrap:wrap;gap:6px;padding:0 10px 10px}
.quick button{font-size:12px;padding:3px 9px;border-radius:999px;background:#f0f3f9;color:#5c6a80}
.quick button:hover{background:#e6ebf5}

/* ---------- 评论 ---------- */
.composer{padding:14px 16px}
.composer textarea{width:100%;min-height:84px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;resize:vertical;outline:none;background:#fcfdff}
.composer textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(224,69,58,.1);background:#fff}
.composer-foot{display:flex;align-items:center;gap:8px;margin-top:8px}
.comment-list{padding:0 16px 14px}
.cmt{display:flex;gap:10px;padding:12px 0;border-top:1px solid var(--line2)}
.cmt:first-child{border-top:none}
.avatar{width:36px;height:36px;border-radius:50%;flex:0 0 36px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:15px}
.cmt-body{flex:1;min-width:0}
.cmt-top{display:flex;align-items:center;gap:8px}
.cmt-top .nm{font-weight:700}
.cmt-top .tm{font-size:12px;color:var(--muted)}
.cmt-text{white-space:pre-wrap;word-break:break-word;margin-top:2px}
.cmt-empty{padding:24px;text-align:center;color:var(--muted)}

/* ---------- 排行榜 ---------- */
.rank-head,.rank-row{display:grid;grid-template-columns:56px 1fr 90px 60px 60px 70px;align-items:center;gap:8px;padding:10px 16px}
.rank-head{font-size:12px;color:var(--muted);font-weight:700;border-bottom:1px solid var(--line2);background:#fcfdff}
.rank-row{border-bottom:1px solid var(--line2)}
.rank-row:last-child{border-bottom:none}
.rank-row:hover{background:#f8fafd}
.rank-row .no{font-weight:800;color:var(--muted);display:flex;align-items:center;gap:6px}
.rank-row.top1 .no{color:var(--gold)}
.rank-row.top2 .no{color:#9aa5b5}
.rank-row.top3 .no{color:#cd7f32}
.rank-row .nm{font-weight:700;word-break:break-all}
.rank-row .pt{font-weight:800;color:var(--brand)}
.rank-row.me{background:#fff8f7}
.medal{font-size:16px}

/* ---------- Toast / Modal ---------- */
.toast{position:fixed;left:50%;top:74px;transform:translate(-50%,-16px);background:rgba(31,39,53,.94);color:#fff;padding:9px 20px;border-radius:999px;font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:.22s;z-index:999}
.toast.show{opacity:1;transform:translate(-50%,0)}
.modal{position:fixed;inset:0;background:rgba(20,26,38,.45);display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(2px)}
.modal[hidden]{display:none}
.modal-card{width:min(420px,92vw);background:#fff;border-radius:16px;box-shadow:var(--shadow2);overflow:hidden;animation:pop .18s}
@keyframes pop{from{transform:scale(.94);opacity:0}to{transform:none;opacity:1}}
.modal-title{padding:16px 20px 4px;font-weight:800;font-size:16px}
.modal-body{padding:6px 20px 16px;color:#4a5568}
.modal-body input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;outline:none;font-size:15px;letter-spacing:2px;text-align:center}
.modal-body input:focus{border-color:var(--brand)}
.modal-foot{display:flex;gap:8px;padding:12px 20px 18px}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .side{position:fixed;right:0;top:56px;bottom:0;z-index:30;transform:translateX(100%);transition:.25s;box-shadow:-6px 0 24px rgba(0,0,0,.12)}
  .side.open{transform:none}
  .card{width:44px;height:63px;margin:0 -12px}
  .card .r{font-size:16px}
  .card .s{font-size:13px}
  .seat{min-width:112px;padding:6px 8px}
  .brand span:last-child{display:none}
}
@media (max-width:640px){
  .topbar{gap:8px;padding:0 10px}
  .tabs{gap:2px}
  .tab{padding:6px 10px;font-size:13px}
  .nick{width:84px}
  .main{padding:10px}
  .hero{padding:18px}
  .hero h1{font-size:21px}
  .seats{grid-template-columns:1fr}
  .card{width:38px;height:54px;margin:0 -11px}
  .card .r{font-size:14px}
  .card .s{font-size:11px}
  .rank-head,.rank-row{grid-template-columns:40px 1fr 62px 42px 42px 50px;font-size:12px;padding:9px 10px}
}