:root{
  --y:#FFCF13; --y-soft:#FFF5C7; --y-ink:#6b5200;
  --ink:#1d1d1f; --sub:#6e6e73; --mute:#a1a1a6; --line:#e5e5ea;
  --bg:#f5f5f7; --card:#fff; --green:#118a3e; --green-soft:#e6f4ea; --red:#d70015; --red-soft:#fdecee;
  --r:16px; --sb:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
[hidden]{display:none!important}
.num{font-variant-numeric:tabular-nums}
.view{max-width:560px;margin:0 auto;min-height:100vh}

/* 按钮与输入 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 18px;border-radius:12px;
  background:#e9e9ee;font-weight:600;white-space:nowrap;transition:transform .08s,opacity .15s}
.btn:active{transform:scale(.97)}
.btn.y{background:var(--y);color:#1d1d1f}
.btn.dark{background:var(--ink);color:#fff}
.btn.red{background:var(--red);color:#fff}
.btn.ghost{background:transparent;color:var(--sub)}
.btn.block{display:flex;width:100%;height:52px;font-size:17px}
.btn:disabled{opacity:.38;pointer-events:none}
.field{width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:#fff;outline:none;font-size:16px}
.field:focus{border-color:#c7c7cc;box-shadow:0 0 0 3px rgba(255,207,19,.35)}
textarea.field{height:auto;min-height:96px;padding:12px 14px;resize:vertical}
.lbl{display:block;margin:18px 0 8px;font-size:13px;font-weight:600;color:var(--sub)}
.msg{min-height:1.4em;margin:12px 0 0;color:var(--red);font-size:14px;text-align:center}
.link{color:#0066cc;font-size:15px}

/* 顶栏 */
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;letter-spacing:.02em}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--y);box-shadow:0 0 0 3px var(--y-soft)}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;height:54px;padding:0 16px;
  background:rgba(245,245,247,.86);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px)}
.who{display:flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:16px;background:#fff;font-size:14px;font-weight:600;border:1px solid var(--line)}
.who::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}

/* 登录 */
.login{display:flex;align-items:flex-start;justify-content:center;padding:10vh 16px 40px}
.login-card{width:100%;max-width:420px}
.login .brand{font-size:26px;justify-content:center}
.login .sub{text-align:center;color:var(--sub);margin:8px 0 22px}
.login .field{margin-bottom:12px}
.empty-note{color:var(--sub);text-align:center;padding:24px 8px;line-height:1.7}

/* 标签页 */
.tab{padding:4px 16px calc(88px + var(--sb))}
.searchbar{position:sticky;top:54px;z-index:4;display:flex;gap:8px;padding:6px 0 10px;background:var(--bg)}
.searchbar .grow{flex:1;margin:0;align-self:center}
.list-head{margin:2px 2px 8px;font-size:13px;color:var(--sub)}
.list{display:flex;flex-direction:column;gap:8px}
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:6;display:flex;justify-content:center;gap:0;padding:6px 0 calc(6px + var(--sb));
  background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-top:1px solid var(--line)}
.tabbar button{flex:0 1 160px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;font-weight:600;color:var(--mute);padding:4px 0}
.tabbar svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tabbar button.on{color:var(--ink)}
.tabbar button.on svg{stroke:var(--ink);fill:var(--y-soft)}
.seg{display:flex;padding:3px;margin:6px 0 12px;border-radius:10px;background:#e7e7ec}
.seg button{flex:1;height:34px;border-radius:8px;font-size:14px;font-weight:600;color:var(--sub)}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}

/* 行 */
.row{display:flex;align-items:center;gap:12px;width:100%;padding:13px 14px;border-radius:var(--r);background:var(--card);text-align:left}
.row:active{background:#fafafa}
.row .l{flex:1;min-width:0}
.row .r{text-align:right;flex:none}
.nm{font-weight:650;font-size:17px;display:flex;align-items:baseline;gap:8px;min-width:0}
.nm .note{font-weight:400;font-size:14px;color:var(--sub);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sub2{margin-top:2px;font-size:13px;color:var(--sub);display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px}
.bal{font-size:22px;font-weight:700;line-height:1.1}
.bal small{display:block;font-size:11px;font-weight:500;color:var(--mute)}
.pill{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:11px;font-size:12px;font-weight:650;background:#eee;color:var(--sub);white-space:nowrap}
.pill.y{background:var(--y);color:#1d1d1f}
.pill.soft{background:var(--y-soft);color:var(--y-ink)}
.pill.gray{background:#ececf0;color:var(--sub)}

/* 积分记录行 */
.rec{display:flex;gap:12px;padding:12px 14px;border-radius:14px;background:var(--card);width:100%;text-align:left;align-items:center}
.rec .l{flex:1;min-width:0}
.rec .t{font-weight:600;font-size:15px}
.rec .t .who2{font-weight:650}
.rec .m{font-size:12.5px;color:var(--sub);margin-top:2px}
.rec .d{font-size:18px;font-weight:700;flex:none;text-align:right}
.rec .d.plus{color:var(--green)}
.rec .d small{display:block;font-size:11px;font-weight:600;color:var(--y-ink)}
.rec.void{opacity:.5}
.rec.void .d,.rec.void .t{text-decoration:line-through}
.rec.void .m{text-decoration:none}

/* 层：整页 / 底部面板 / 对话框 */
.layer{position:fixed;inset:0;z-index:20}
.layer .backdrop{position:absolute;inset:0;background:rgba(0,0,0,.32);opacity:0;transition:opacity .2s}
.layer.in .backdrop{opacity:1}
.layer.page .panel{position:absolute;inset:0;background:var(--bg);overflow-y:auto;-webkit-overflow-scrolling:touch;transform:translateX(24px);opacity:0;transition:transform .22s,opacity .22s}
.layer.page.in .panel{transform:none;opacity:1}
.layer.sheet .panel{position:absolute;left:0;right:0;bottom:0;max-width:560px;margin:0 auto;max-height:92vh;overflow-y:auto;background:#fff;
  border-radius:20px 20px 0 0;padding:10px 18px calc(18px + var(--sb));transform:translateY(100%);transition:transform .25s cubic-bezier(.2,.8,.2,1)}
.layer.sheet.in .panel{transform:none}
.layer.sheet .panel::before{content:"";display:block;width:38px;height:5px;border-radius:3px;background:#d8d8dd;margin:0 auto 10px}
.layer.dialog .panel{position:absolute;left:50%;top:50%;width:min(340px,calc(100% - 32px));transform:translate(-50%,-46%) scale(.96);opacity:0;
  background:#fff;border-radius:18px;padding:20px 18px 16px;transition:transform .18s,opacity .18s}
.layer.dialog.in .panel{transform:translate(-50%,-50%);opacity:1}
.dialog h3{margin:0 0 6px;font-size:18px;text-align:center}
.dialog p{margin:0 0 16px;color:var(--sub);text-align:center;font-size:15px}
.row2{display:flex;gap:10px}.row2>*{flex:1}

.bar{position:sticky;top:0;z-index:3;display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 8px;
  background:rgba(245,245,247,.9);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px)}
.bar .back{height:40px;padding:0 10px;font-size:16px;color:#0066cc;font-weight:500}
.bar .ttl{font-weight:650}
.bar .link{padding:0 10px;height:40px}
.body{max-width:560px;margin:0 auto;padding:4px 16px calc(28px + var(--sb))}
.loading{color:var(--mute);text-align:center;padding:40px 0}

.sheet h3{margin:4px 0 2px;font-size:19px}
.sheet .hint{margin:0;color:var(--sub);font-size:14px}

/* 学生详情 */
.hero{background:var(--card);border-radius:20px;padding:20px 18px 18px}
.hero .name{font-size:26px;font-weight:750;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.hero .name small{font-size:15px;font-weight:500;color:var(--sub)}
.hero .meta{font-size:13px;color:var(--mute);margin-top:2px}
.hero .big{display:flex;align-items:flex-end;gap:10px;margin:18px 0 4px}
.hero .big b{font-size:52px;line-height:.95;font-weight:750;letter-spacing:-.02em}
.hero .big span{color:var(--sub);font-size:14px;padding-bottom:6px}
.hero .stat{font-size:13px;color:var(--sub)}
.teamline{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:14px}
.teamline .tn{font-weight:650}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0 20px}
.actions .btn{height:56px;font-size:18px;border-radius:16px}
.sec{margin:20px 2px 8px;font-size:13px;font-weight:650;color:var(--sub);display:flex;justify-content:space-between;align-items:center}

/* 选择片 */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:6px 14px;border-radius:12px;background:#f2f2f5;font-size:15px;font-weight:550;border:1.5px solid transparent;text-align:left}
.chip small{color:var(--sub);font-weight:500}
.chip.on{background:var(--y-soft);border-color:var(--y)}
.chip.on small{color:var(--y-ink)}
.chips.quick .chip{min-width:56px;justify-content:center;background:#fff;border:1px solid var(--line)}
.amount{display:flex;align-items:center;gap:10px}
.amount input{flex:1;height:60px;font-size:30px;font-weight:700;text-align:center;letter-spacing:.02em}
.preview{margin:14px 0 0;padding:12px 14px;border-radius:12px;background:#f5f5f7;font-size:15px;display:flex;justify-content:space-between;gap:10px}
.preview b{font-size:17px}
.preview.warn{background:var(--red-soft);color:var(--red)}
.buffbox{display:flex;align-items:flex-start;gap:10px;margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--y-soft);font-size:15px}
.buffbox input{width:22px;height:22px;margin:1px 0 0;accent-color:#1d1d1f;flex:none}
.buffbox small{display:block;color:var(--y-ink);font-size:13px}
.gap{height:16px}

/* 搜索结果小列表（选队员） */
.picks{display:flex;flex-direction:column;gap:6px;margin-top:8px;max-height:36vh;overflow-y:auto}
.pick{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;background:#f5f5f7;text-align:left;width:100%}
.pick:disabled{opacity:.45}
.pick .sub2{margin:0}
.sel{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.sel .chip{background:var(--y-soft);border-color:var(--y);min-height:34px;padding:4px 10px}
.sel .chip::after{content:"×";margin-left:2px;color:var(--y-ink);font-weight:700}

/* 队伍 */
.team-card{display:block;width:100%;text-align:left;padding:14px;border-radius:var(--r);background:var(--card)}
.team-card .h{display:flex;justify-content:space-between;align-items:center;gap:8px}
.team-card .h b{font-size:17px}
.team-card .mem{margin-top:6px;font-size:14px;color:var(--sub);line-height:1.6}
.member{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--card);border-radius:14px}
.member .l{flex:1;min-width:0}
.member .x{width:34px;height:34px;border-radius:17px;background:#f2f2f5;color:var(--sub);font-size:18px;flex:none}
.bidrow{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.bidrow .l{flex:1}
.bidrow input{width:110px;height:44px;text-align:center;font-size:18px;font-weight:650}
.multgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.multgrid button{height:84px;border-radius:16px;background:#f5f5f7;border:1.5px solid transparent;display:flex;flex-direction:column;align-items:center;justify-content:center}
.multgrid button b{font-size:28px}
.multgrid button span{font-size:12px;color:var(--sub)}
.multgrid button.on{background:var(--y-soft);border-color:var(--y)}
.dupes{margin-top:14px;padding:12px;border-radius:12px;background:var(--y-soft)}
.dupes p{margin:0 0 8px;font-size:14px;color:var(--y-ink);font-weight:600}

/* 管理页 */
.admin .body{padding-top:8px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:4px}
.stats div{background:var(--card);border-radius:14px;padding:12px 10px;text-align:center}
.stats b{display:block;font-size:22px;font-weight:700}
.stats span{font-size:12px;color:var(--sub)}
.card{background:var(--card);border-radius:18px;padding:16px;margin:12px 0}
.card h2{margin:0 0 4px;font-size:17px}
.card .hint{margin:0 0 10px;color:var(--sub);font-size:14px}
.card.danger h2{color:var(--red)}
.edit-row{display:flex;gap:8px}
.srow{display:flex;align-items:center;gap:6px;padding:10px 0;border-top:1px solid var(--line)}
.srow:first-child{border-top:0}
.srow .l{flex:1;min-width:0}
.srow.off b{color:var(--mute)}
.srow .btn{height:36px;padding:0 12px;font-size:14px}
.erow{display:flex;align-items:center;gap:8px;margin-top:8px}
.erow .field{height:42px}
.erow .price{width:84px;flex:none;text-align:center}
.erow .unit{color:var(--sub);font-size:14px}
.erow .ck{display:flex;align-items:center;gap:4px;font-size:14px;color:var(--sub);white-space:nowrap;flex:none}
.erow .ck input{width:18px;height:18px;accent-color:#1d1d1f}
.erow .x{width:34px;height:34px;border-radius:17px;background:#f2f2f5;color:var(--sub);font-size:18px;flex:none}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.grid2 .lbl{margin:12px 0 6px}
@media (max-width:420px){ .stats{grid-template-columns:repeat(2,1fr)} .grid2{grid-template-columns:1fr} }

/* 提示条 */
#toast{position:fixed;left:50%;bottom:calc(96px + var(--sb));z-index:50;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  width:max-content;max-width:calc(100% - 32px);padding:12px 18px;border-radius:14px;background:rgba(29,29,31,.94);color:#fff;font-size:15px;font-weight:550;
  transition:opacity .2s,transform .2s;text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast.err{background:var(--red)}