:root{
  --bg:#f5f7fa; --panel:#ffffff; --line:#e6eaf0; --text:#1f2937; --muted:#7b8794;
  --brand:#0d9488; --brand-2:#0f766e; --accent:#f59e0b; --danger:#e05252;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 6px 18px rgba(16,24,40,.06);
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
.hide{display:none !important}

/* ---------- 登录 ---------- */
#login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f766e 0%,#134e4a 55%,#0b2f2c 100%);padding:20px}
.login-card{width:100%;max-width:390px;background:#fff;border-radius:18px;padding:34px 30px 28px;box-shadow:0 24px 60px rgba(0,0,0,.28)}
.login-card h1{margin:0 0 4px;font-size:22px;letter-spacing:.5px}
.login-card .brand{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#0d9488,#0f766e);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.login-card .brand .dot{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(245,158,11,.22)}
.last-user{background:#f0fbf9;border:1px solid #cdeee9;color:#0f766e;font-size:13px;border-radius:9px;
  padding:9px 12px;margin-bottom:6px}
.remember{display:flex;align-items:center;gap:8px;font-size:13px;color:#5b6774;margin-top:14px;cursor:pointer}
.remember input{width:auto}
.login-card .sub{color:var(--muted);font-size:13px;margin-bottom:22px}
.login-card label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
.login-card input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fbfcfd}
.login-card input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(13,148,136,.12)}
.login-card .btn{width:100%;margin-top:22px;padding:12px;border:none;border-radius:10px;background:var(--brand);color:#fff;font-weight:600}
.login-card .btn:hover{background:var(--brand-2)}
.login-err{color:var(--danger);font-size:13px;min-height:20px;margin-top:10px}
.login-tip{margin-top:16px;font-size:12px;color:var(--muted);text-align:center;line-height:1.8}

/* ---------- 布局 ---------- */
#app{display:none;min-height:100vh}
.topbar{height:58px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  gap:16px;padding:0 20px;position:sticky;top:0;z-index:50}
.logo{font-weight:700;font-size:16px;display:flex;align-items:center;gap:8px}
.logo .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(245,158,11,.18)}
.topbar .spacer{flex:1}
.who{font-size:13px;color:var(--muted)}
.who b{color:var(--text)}
.badge{display:inline-block;padding:1px 8px;border-radius:20px;font-size:12px;background:#eef2f6;color:#5b6774;margin-left:6px}
.badge.admin{background:#fff7e6;color:#b45309}
.icon-btn{position:relative;border:1px solid var(--line);background:#fff;border-radius:10px;padding:6px 10px;font-size:13px}
.icon-btn:hover{border-color:#cfd8e3}
.icon-btn .n{position:absolute;top:-6px;right:-6px;min-width:17px;height:17px;line-height:17px;background:var(--danger);
  color:#fff;border-radius:20px;font-size:11px;text-align:center;padding:0 4px}
.layout{display:flex;min-height:calc(100vh - 58px)}
.side{width:186px;flex:0 0 186px;background:#fff;border-right:1px solid var(--line);padding:14px 10px}
.nav{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:10px;color:#42505e;font-size:14px;margin-bottom:3px;cursor:pointer}
.nav:hover{background:#f2f5f8}
.nav.on{background:rgba(13,148,136,.1);color:var(--brand-2);font-weight:600}
.nav .k{margin-left:auto;font-size:12px;color:var(--muted)}
.main{flex:1;padding:20px 24px 60px;max-width:1280px}

/* ---------- 通用块 ---------- */
.page-head{display:flex;align-items:center;gap:12px;margin:2px 0 16px}
.page-head h2{margin:0;font-size:18px}
.page-head .desc{color:var(--muted);font-size:13px}
.page-head .spacer{flex:1}
.btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 14px;font-size:13px}
.btn:hover{border-color:#cfd8e3}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.btn.primary:hover{background:var(--brand-2)}
.btn.mini{padding:4px 10px;font-size:12px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.card .k{font-size:12px;color:var(--muted)}
.card .v{font-size:24px;font-weight:700;margin-top:4px}
.card .v small{font-size:13px;font-weight:400;color:var(--muted)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;margin-bottom:16px}
.panel h3{margin:0 0 12px;font-size:15px}
.tabs{display:flex;gap:6px;margin-bottom:14px}
.tab{padding:7px 14px;border-radius:9px;border:1px solid var(--line);background:#fff;font-size:13px;color:#5b6774}
.tab.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.empty{color:var(--muted);font-size:13px;padding:26px 0;text-align:center}

/* ---------- 待办列表 ---------- */
.todo{border:1px solid var(--line);border-radius:11px;padding:12px 14px;margin-bottom:10px;background:#fff}
.todo:hover{border-color:#d3dbe6;box-shadow:var(--shadow)}
.todo .row1{display:flex;align-items:center;gap:10px}
.todo .title{font-weight:600;font-size:14px;flex:1;cursor:pointer}
.todo .meta{font-size:12px;color:var(--muted);margin-top:6px;display:flex;gap:14px;flex-wrap:wrap}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;white-space:nowrap}
.pill.todo{background:#eef2f6;color:#5b6774}
.pill.doing{background:#e8f4ff;color:#1d6fb8}
.pill.done{background:#e9f7ef;color:#1c7d4d}
.pill.blocked{background:#fdeeee;color:#b93c3c}
.prio{font-size:12px;font-weight:600}
.prio.urgent{color:#c02d2d}.prio.high{color:#c76a12}.prio.normal{color:#5b6774}.prio.low{color:#94a3b3}
.overdue{color:var(--danger);font-weight:600}
.blocknote{margin-top:8px;font-size:12.5px;color:#b93c3c;background:#fdf5f5;border-left:3px solid #f0b8b8;padding:7px 10px;border-radius:6px}

/* ---------- 表格 ---------- */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:12.5px;background:#fafbfc}
tr.clickable:hover{background:#f7fafc;cursor:pointer}
.ok{color:#1c7d4d;font-weight:600}
.no{color:#b93c3c;font-weight:600}

/* ---------- 表单 ---------- */
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fbfcfd}
.field textarea{min-height:74px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(13,148,136,.12)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.multi{border:1px solid var(--line);border-radius:9px;padding:8px;max-height:132px;overflow:auto;background:#fbfcfd}
.multi label{display:flex;align-items:center;gap:7px;font-size:13px;padding:4px 6px;border-radius:6px;cursor:pointer}
.multi label:hover{background:#eef3f7}
.multi input{width:auto}

/* ---------- 弹层 ---------- */
.mask{position:fixed;inset:0;background:rgba(17,24,39,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:14px;width:100%;max-width:600px;max-height:88vh;overflow:auto;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.modal .mh{padding:16px 20px;border-bottom:1px solid var(--line);font-weight:700;display:flex;align-items:center}
.modal .mh .spacer{flex:1}
.modal .mb{padding:18px 20px}
.modal .mf{padding:14px 20px 18px;display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--line)}
.x{border:none;background:transparent;font-size:19px;color:#98a2b3;line-height:1}
.kv{display:flex;gap:10px;font-size:13px;padding:6px 0;border-bottom:1px dashed #eef1f5}
.kv .k{color:var(--muted);width:78px;flex:0 0 78px}
.trail{font-size:12.5px;color:var(--muted);line-height:1.9}
.cmt{background:#f7f9fb;border-radius:9px;padding:9px 11px;margin-bottom:8px;font-size:13px}
.cmt .who{font-weight:600;font-size:12.5px}
.cmt .t{color:#98a2b3;font-size:12px;margin-left:6px}
.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%);background:#1f2937;color:#fff;padding:10px 18px;
  border-radius:10px;font-size:13px;z-index:200;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.hint{font-size:12.5px;color:var(--muted);margin-top:6px}
@media (max-width:820px){
  .side{width:56px;flex:0 0 56px;padding:10px 6px}
  .nav{justify-content:center;padding:11px 0}.nav span.t,.nav .k{display:none}
  .grid2,.grid3{grid-template-columns:1fr}
  .main{padding:14px}
}