:root{
  --bg:#f2f3f5; --card:#fff; --ink:#111; --sub:#8a8f99; --line:#e9eaee;
  --blue:#146b42; --blue-soft:#e7f4ec; --green:#18a058; --red:#e5484d;
  --orange:#f59f00; --radius:16px; --shadow:0 1px 2px rgba(16,24,40,.04),0 6px 20px rgba(16,24,40,.05);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro SC","PingFang SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg); color:var(--ink); font-size:16px; line-height:1.45;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:16px}

.topbar{
  position:sticky;top:0;z-index:20;background:rgba(242,243,245,.92);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
  padding:10px 16px 8px;display:flex;align-items:center;gap:10px;
}
.topbar h1{font-size:19px;margin:0;font-weight:700;letter-spacing:.2px}
.topbar .sub{color:var(--sub);font-size:13px;margin-top:1px}
.topbar .spacer{flex:1}
.topbar .link{font-size:14px;color:var(--blue);font-weight:600}
.brandmark{width:30px;height:30px;border-radius:50%;flex:0 0 auto;box-shadow:0 1px 4px rgba(0,0,0,.12)}

.wrap{max-width:640px;margin:0 auto;padding:14px 14px 24px}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:12px}
.card.tight{padding:12px}
.hr{height:1px;background:var(--line);margin:12px 0}
.row{display:flex;align-items:center;gap:12px}
.row.between{justify-content:space-between}
.grow{flex:1;min-width:0}
.muted{color:var(--sub);font-size:13px}
.small{font-size:13px}
.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.hero{padding:20px 18px}
.hero .names{font-size:22px;font-weight:750;line-height:1.25}
.hero .bal{font-size:46px;font-weight:800;letter-spacing:-1px;line-height:1.05;margin:6px 0 2px}
.hero .bal small{font-size:15px;font-weight:600;color:var(--sub);margin-left:6px;letter-spacing:0}
.bal.neg{color:var(--red)}
.bal.zero{color:var(--orange)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.chip{background:var(--blue-soft);color:#0f5c37;border-radius:999px;padding:4px 10px;font-size:13px;font-weight:600}
.chip.grey{background:#f1f2f4;color:#555}

.statRow{display:flex;gap:10px}
.stat{flex:1;background:var(--card);border-radius:14px;padding:12px;box-shadow:var(--shadow);text-align:center}
.stat b{display:block;font-size:22px;font-weight:800;letter-spacing:-.3px}
.stat span{font-size:12px;color:var(--sub)}
.stat.big b{font-size:26px}

.course{display:flex;gap:14px;align-items:stretch}
.course .time{width:74px;flex:0 0 74px;font-weight:800;font-size:15px;line-height:1.25;padding-top:2px}
.course .time small{display:block;font-weight:600;color:var(--sub);font-size:12px}
.course .body{flex:1;min-width:0}
.course .name{font-size:17px;font-weight:700}
.badge{display:inline-block;border-radius:8px;padding:2px 8px;font-size:12px;font-weight:700}
.badge.wait{background:#fff4e5;color:#b76e00}
.badge.done{background:#e7f6ee;color:#0f7a44}
.badge.red{background:#fdecec;color:#c0272d}

.list{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item:active{background:#fafbfc}
.item.off{opacity:.45}
.picks{display:flex;flex-wrap:wrap;gap:8px;margin:2px 0 4px}
.pick{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;
  padding:7px 13px;font-size:14px;font-weight:600;color:#4b5158;cursor:pointer;background:#fff}
.pick input{display:none}
.pick:has(input:checked){background:var(--blue-soft);border-color:var(--blue);color:var(--blue)}
.item .nm{font-size:17px;font-weight:650}
.item .tag{font-size:12px;color:var(--sub);margin-top:2px}
.item .amt{font-size:22px;font-weight:800;letter-spacing:-.5px;text-align:right;white-space:nowrap}
.item .amt small{font-size:12px;font-weight:600;color:var(--sub);margin-left:3px;letter-spacing:0}
.item .amt.neg{color:var(--red)}
.item .amt.zero{color:var(--orange)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:12px;
  padding:12px 16px;font-weight:700;font-size:16px;background:#f1f2f4;color:var(--ink);cursor:pointer}
.btn:active{transform:scale(.985)}
.btn.primary{background:var(--blue);color:#fff}
.btn.green{background:var(--green);color:#fff}
.btn.ghost{background:#fff;border:1px solid var(--line)}
.btn.danger{background:#fdecec;color:var(--red)}
.btn.sm{padding:8px 12px;font-size:14px;border-radius:10px}
.btn.block{display:flex;width:100%}
.btn:disabled{opacity:.45}
.btnrow{display:flex;gap:8px;flex-wrap:wrap}

input[type=text],input[type=password],input[type=number],input[type=date],input[type=month],select,textarea{
  width:100%;border:1px solid var(--line);background:#fbfbfc;border-radius:12px;padding:11px 12px;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:#9ed4b6;background:#fff}
label.f{display:block;margin:10px 0 6px;font-size:13px;color:var(--sub);font-weight:600}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}

.search{display:flex;gap:8px;margin-bottom:12px}
.search input{border-radius:12px}
.search .btn{flex:0 0 auto}

.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;
  background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);
  padding:6px 0 calc(6px + env(safe-area-inset-bottom));}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:#9aa0aa;font-weight:600}
.tabbar a svg{width:23px;height:23px;stroke:#9aa0aa;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.tabbar a.on{color:var(--blue)}
.tabbar a.on svg{stroke:var(--blue)}

.sheet{position:fixed;inset:0;z-index:50;display:none;align-items:flex-end;justify-content:center;
  background:rgba(17,24,39,.42)}
.sheet.open{display:flex}
.sheet .panel{background:#fff;width:100%;max-width:640px;border-radius:20px 20px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom));max-height:88vh;overflow:auto}
.sheet h3{margin:0 0 4px;font-size:18px}
.sheet .close{position:absolute;right:14px;top:12px;background:none;border:0;font-size:22px;color:var(--sub)}

.toast{position:fixed;left:50%;transform:translateX(-50%);top:14px;z-index:99;background:#111;color:#fff;
  padding:10px 16px;border-radius:12px;font-size:14px;font-weight:600;box-shadow:var(--shadow);opacity:0;transition:.2s}
.toast.show{opacity:1}
.toast.err{background:var(--red)}
.toast.ok{background:#0f7a44}

.attendRow{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line)}
.attendRow:last-child{border-bottom:0}
.attendRow .who{flex:1;min-width:0}
.attendRow .who b{font-size:16px}
.attendRow input[type=number]{width:58px;text-align:center;padding:8px 6px}
.attendRow select{width:88px;padding:8px 6px;font-size:14px}
.attendRow.off{opacity:.42}
.attendRow input[type=checkbox]{width:22px;height:22px;accent-color:var(--blue)}
.totalBar{position:sticky;bottom:calc(64px + env(safe-area-inset-bottom));background:#fff;border-radius:14px;
  box-shadow:0 -2px 16px rgba(16,24,40,.1);padding:10px 12px;display:flex;align-items:center;gap:10px;margin-top:10px}
.totalBar .n{flex:1;font-size:15px;font-weight:700}
.totalBar .n span{color:var(--blue)}

.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{text-align:left;color:var(--sub);font-weight:600;font-size:12px;padding:8px 6px;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:9px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.table tr:last-child td{border-bottom:0}
.table td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table .in{color:var(--green);font-weight:700}
.table .out{color:var(--red);font-weight:700}
.empty{text-align:center;color:var(--sub);padding:28px 10px;font-size:14px}

.campusBar{display:flex;gap:6px;overflow-x:auto;padding:2px 2px 10px;-webkit-overflow-scrolling:touch}
.campusBar a{flex:0 0 auto;padding:7px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:#545a62}
.campusBar a.on{background:var(--blue);border-color:var(--blue);color:#fff}

/* 排课日历 */
.cal{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;max-width:560px;margin:0 auto}
.calHead{display:flex;align-items:center;justify-content:space-between;padding:2px 4px 10px}
.calHead b{font-size:16px}
.navArrow{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:10px;color:#6b7280;font-size:20px;line-height:1}
.navArrow:hover{background:#f4f5f7}
.calDow{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-size:12px;color:var(--sub);padding-bottom:4px}
.calGrid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.calDay{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;aspect-ratio:1/1;border-radius:12px;font-size:15px;color:#22262c}
.calDay .num{font-weight:600;font-variant-numeric:tabular-nums}
.calDay.out{color:#c7cbd2}
.calDay .dots{display:flex;gap:3px;height:5px;margin-top:3px}
.calDay .dot{width:5px;height:5px;border-radius:50%;display:block}
.dot.done{background:#18a058}
.dot.wait{background:var(--orange)}
.dot.off{background:#c7cbd2}
.calDay.today{background:var(--blue);color:#fff}
.calDay.today .dots .dot{background:#fff;opacity:.9}
.calDay.sel{background:var(--blue-soft);color:var(--blue);box-shadow:inset 0 0 0 1.5px var(--blue)}


.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg)}
.login .box{width:100%;max-width:380px;background:#fff;border-radius:20px;box-shadow:var(--shadow);overflow:hidden;padding:0}
.login .banner{background:#6d5a56;line-height:0}
.login .banner img{width:100%;height:auto;display:block}
.login .inner{padding:22px}
.login h2{margin:0 0 4px;font-size:22px}
.login p{margin:0 0 18px;color:var(--sub);font-size:13px}
.login .btn{margin-top:16px}
@media (min-width:700px){
  .wrap{padding-top:20px}
  .hero .bal{font-size:52px}
}

/* 桌面端左侧栏；手机仍用底部 tab */
.side{display:none}
@media (min-width:960px){
  body{padding-left:224px;padding-bottom:0}
  body:has(.login){padding-left:0}
  .tabbar{display:none}
  .side{display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;width:224px;
    background:#fff;border-right:1px solid var(--line);padding:18px 10px 12px;z-index:40;overflow:auto}
  .side .brand{display:flex;align-items:center;gap:10px;padding:0 8px 6px}
  .side .brand img{width:40px;height:40px;border-radius:50%}
  .side .brand b{font-size:16px;display:block;line-height:1.2}
  .side .brand span{font-size:11px;color:var(--sub);letter-spacing:1px}
  .side .grp{font-size:11px;color:#a9aeb7;font-weight:700;letter-spacing:1px;padding:16px 10px 6px}
  .side a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
    font-size:14px;font-weight:600;color:#33383f;margin-bottom:2px}
  .side a svg{width:18px;height:18px;stroke:#8f959e;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 18px}
  .side a:hover{background:#f6f7f9}
  .side a.on{background:var(--blue-soft);color:var(--blue)}
  .side a.on svg{stroke:var(--blue)}
  .side .foot{margin-top:auto;padding:14px 10px 0;font-size:12px;color:var(--sub);border-top:1px solid var(--line)}
  .wrap{max-width:860px;padding:22px 24px 48px}
  .topbar{padding:14px 24px 10px}
  .topbar .brandmark{display:none}
}