:root{
    --bg:#f4f6f8; --card:#fff; --line:#e6eaee; --txt:#1f2933; --sub:#7b8794;
    --teal:#0d9488; --teal-d:#0f766e; --teal-l:#e6f7f5;
    --red:#e11d48; --amber:#b45309; --amber-l:#fef3c7;
    --shadow:0 1px 2px rgba(16,24,40,.06),0 4px 12px rgba(16,24,40,.05);
  }
  *{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
  /* [hidden] 必须真的隐藏：类的 display:flex 会盖过浏览器默认的 [hidden]{display:none} */
  [hidden]{display:none !important}
  html,body{margin:0;padding:0}
  body{background:var(--bg);color:var(--txt);
    font:15px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    padding-bottom:calc(72px + env(safe-area-inset-bottom));-webkit-font-smoothing:antialiased}
  header{position:sticky;top:0;z-index:20;background:var(--teal-d);color:#fff;
    padding:calc(10px + env(safe-area-inset-top)) 14px 10px;display:flex;align-items:center;gap:8px}
  header h1{font-size:16px;margin:0;font-weight:600;flex:1 1 auto;min-width:0;letter-spacing:.5px;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  header .who{font-size:12px;opacity:.95;background:rgba(255,255,255,.16);padding:3px 9px;border-radius:999px;
    white-space:nowrap;flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis}
  header .out{font-size:12px;color:#d6f2ef;background:none;border:1px solid rgba(255,255,255,.32);border-radius:8px;
    padding:4px 9px;white-space:nowrap;flex:none}
  .bookbar{position:sticky;top:calc(44px + env(safe-area-inset-top));z-index:18;background:#0b5f57;
    display:flex;gap:6px;padding:7px 12px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .bookbar::-webkit-scrollbar{display:none}
  .bookbar button{flex:none;background:rgba(255,255,255,.14);color:#d6f2ef;border:0;border-radius:999px;
    padding:6px 13px;font-size:13px;font-weight:500;white-space:nowrap}
  .bookbar button.on{background:#fff;color:var(--teal-d);font-weight:700}
  .totalbar{position:sticky;top:calc(84px + env(safe-area-inset-top));z-index:17;
    background:linear-gradient(135deg,#0d9488,#0f766e);color:#fff;padding:12px 14px;
    display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 10px rgba(13,148,136,.28)}
  body:not(.admin) .totalbar{top:calc(44px + env(safe-area-inset-top))}
  .totalbar .big{font-size:26px;font-weight:700;letter-spacing:-.5px;line-height:1.1}
  .totalbar .lbl{font-size:11px;opacity:.85;letter-spacing:1px}
  .totalbar .right{text-align:right;font-size:12px;opacity:.95;line-height:1.6}
  .totalbar .right b{font-weight:600}
  .body{padding:12px}
  .card{background:var(--card);border-radius:14px;box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden}
  .card-h{display:flex;align-items:center;gap:8px;padding:11px 13px;border-bottom:1px solid var(--line)}
  .card-h .name{font-weight:600;font-size:15px;flex:1}
  .card-h .sub{font-size:12px;color:var(--sub)}
  .card-b{padding:10px 13px 13px}
  .row{display:flex;align-items:center;gap:8px;padding:7px 0}
  .row+.row{border-top:1px dashed var(--line)}
  .row .tag{width:46px;flex:none;font-size:13px;color:var(--sub)}
  .row .prev{width:48px;flex:none;text-align:right;color:var(--sub);font-size:13px;font-variant-numeric:tabular-nums;overflow:hidden}
  .row .arrow{flex:none;color:#c3ccd6;font-size:12px}
  .row input{flex:1 1 auto;min-width:0;width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:9px;
    font-size:16px;font-weight:600;font-variant-numeric:tabular-nums;background:#fbfcfd;color:var(--txt)}
  .row input:focus{outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px var(--teal-l)}
  .row .calc{flex:none;width:auto;min-width:78px;text-align:right;font-size:12px;color:var(--sub);line-height:1.35}
  .row .calc b{display:block;color:var(--txt);font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
  .row.warn input{border-color:#fbcfe8;background:#fff5f7}
  .warnmsg{padding:6px 0 0;font-size:12px;color:var(--red)}
  .subtotal{display:flex;justify-content:space-between;align-items:baseline;padding:9px 13px;background:#fafbfc;
    border-top:1px solid var(--line);font-size:13px;color:var(--sub)}
  .subtotal b{font-size:16px;color:var(--teal-d);font-variant-numeric:tabular-nums}
  .btns{display:flex;gap:8px;padding:0 12px 12px;flex-wrap:wrap}
  button{font-family:inherit;font-size:14px;border:0;border-radius:11px;padding:12px 14px;background:#eef1f4;
    color:var(--txt);font-weight:500;cursor:pointer;transition:transform .06s}
  button:active{transform:scale(.97)}
  button.primary{background:var(--teal);color:#fff;font-weight:600}
  button.ghost{background:#fff;border:1px solid var(--line)}
  button.danger{background:#fff1f2;color:var(--red)}
  button.block{display:block;width:100%}
  button.tiny{padding:6px 10px;font-size:12px;border-radius:8px}
  .btns.pad{padding:0 13px 13px}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .fld{display:flex;flex-direction:column;gap:5px;padding:8px 0}
  .fld label{font-size:12px;color:var(--sub)}
  .fld input[type=text],.fld input[type=number],.fld input[type=date],.fld input[type=tel],
  select{
    height:42px;padding:0 10px;border:1px solid var(--line);border-radius:9px;font-size:15px;
    background:#fbfcfd;width:100%;color:var(--txt);font-family:inherit;box-sizing:border-box}
  /* select 归一化：Safari 原生外观会无视 height/padding，必须清掉外观并自绘箭头，否则与 input 高度不一致 */
  select{
    appearance:none;-webkit-appearance:none;-moz-appearance:none;
    padding:0 32px 0 10px;line-height:normal;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%237b8794' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 10px center;background-size:12px 8px}
  select::-ms-expand{display:none}
  .seg{display:flex;gap:6px;align-items:center;padding:4px 0}
  .seg .cur{flex:1;text-align:center;font-size:13px;color:var(--sub)}
  .seg button{padding:9px 12px;font-size:13px}
  .hint{font-size:12px;color:var(--sub);padding:2px 12px 10px;line-height:1.6}
  .rec{background:#fff;border-radius:14px;box-shadow:var(--shadow);margin-bottom:10px;overflow:hidden}
  .rec-h{display:flex;align-items:center;gap:8px;padding:12px 13px;cursor:pointer}
  .rec-h .d{font-weight:600;flex:1;font-size:15px;min-width:0}
  .rec-h .d small{display:block;font-weight:400;color:var(--sub);font-size:12px;margin-top:2px}
  .rec-h .amt{font-size:18px;font-weight:700;color:var(--teal-d);font-variant-numeric:tabular-nums}
  .rec-b{border-top:1px solid var(--line);padding:8px 13px 12px;display:none}
  .rec.open .rec-b{display:block}
  .rt{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}
  .rt th{color:var(--sub);font-weight:400;font-size:11px;text-align:right;padding:4px 0}
  .rt th:first-child{text-align:left}
  .rt td{padding:5px 0;border-top:1px dashed var(--line);text-align:right}
  .rt td:first-child{text-align:left;font-weight:600}
  .stat{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px}
  .stat div{background:#fff;border-radius:12px;padding:11px 10px;box-shadow:var(--shadow)}
  .stat span{display:block;font-size:11px;color:var(--sub);margin-bottom:3px}
  .stat b{font-size:16px;font-variant-numeric:tabular-nums}
  .empty{text-align:center;color:var(--sub);padding:36px 16px;font-size:14px}
  .roomline{display:flex;align-items:center;gap:6px;padding:9px 0;border-bottom:1px dashed var(--line);flex-wrap:wrap}
  .roomline input{flex:1;min-width:0;padding:9px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:#fbfcfd}
  .roomline input.n{width:70px;flex:none;text-align:right}
  .roomline input.rname{flex:1.2}
  .roomline .wchk{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--sub);flex:none}
  .tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);
    display:flex;padding-bottom:env(safe-area-inset-bottom)}
  /* 内层容器必须自己也是 flex 且铺满，否则 .tab 的 flex:1 无处生效 → 三键挤在一起 */
  .tabbar .wrap{display:flex;width:100%;align-items:stretch}
  .tab{flex:1 1 0;min-width:0;white-space:nowrap;text-align:center;padding:9px 4px 8px;color:var(--sub);
    font-size:11px;cursor:pointer;border:0;background:none;border-radius:0}
  .tab .ic{font-size:19px;line-height:1.2;display:block}
  .tab.on{color:var(--teal-d);font-weight:600}
  .toast{position:fixed;left:50%;bottom:96px;transform:translate(-50%,12px);z-index:60;background:rgba(31,41,51,.93);
    color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;opacity:0;pointer-events:none;transition:.22s;max-width:80vw;text-align:center}
  .toast.on{opacity:1;transform:translate(-50%,0)}
  .chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 0}
  .chips button{padding:7px 11px;font-size:12px;border-radius:999px;background:#f1f4f7}
  .login{position:fixed;inset:0;z-index:100;background:linear-gradient(160deg,#0f766e,#0d9488 55%,#14b8a6);
    display:flex;align-items:center;justify-content:center;padding:22px}
  .login-box{background:#fff;border-radius:18px;padding:26px 22px 20px;width:100%;max-width:340px;
    box-shadow:0 20px 50px rgba(0,0,0,.22);text-align:center}
  .login-logo{font-size:36px;line-height:1}
  .login-box h2{margin:8px 0 4px;font-size:18px;font-weight:700}
  .login-box p{margin:0 0 18px;color:var(--sub);font-size:13px}
  .login-box input{width:100%;padding:13px;border:1px solid var(--line);border-radius:11px;font-size:18px;
    text-align:center;letter-spacing:2px;margin-bottom:12px;background:#fbfcfd;color:var(--txt)}
  .login-box input:focus{outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px var(--teal-l)}
  .login-err{color:var(--red);font-size:13px;margin-top:11px;min-height:18px}
  .login-tip{color:var(--sub);font-size:11px;margin-top:12px;line-height:1.6}
  .acct{display:flex;justify-content:space-between;gap:8px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
  .acct span{color:var(--sub)}
  .acct b{font-weight:600;font-variant-numeric:tabular-nums}
  .pill{font-size:11px;padding:1px 7px;border-radius:999px;background:var(--amber-l);color:var(--amber);margin-left:6px}
  .pill.paid{background:#dcfce7;color:#15803d}
  .loading{position:fixed;inset:0;z-index:120;background:rgba(255,255,255,.72);display:flex;align-items:center;
    justify-content:center;font-size:14px;color:var(--teal-d)}