:root{
  --blue:#3a53b4; --blue-d:#2c418f; --blue-l:#eef1fb; --red:#e8192b; --red-l:#fdecee;
  --ink:#111827; --ink2:#4b5563; --ink3:#9ca3af; --line:#e5e7eb; --line2:#f1f2f4;
  --bg:#ffffff; --panel:#f8f9fb; --green:#15803d; --green-l:#e8f6ee; --amber:#b45309; --amber-l:#fdf3e2;
  --r:10px; --sh:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
  --side:244px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink); background:var(--bg); font-size:14px; line-height:1.45;
}
*{box-sizing:border-box} body{margin:0;background:#fff;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none} button,input,select,textarea{font:inherit;color:inherit}
.boot{height:100vh;display:grid;place-items:center} .boot img{width:260px;opacity:.9}

/* ---------- layout ---------- */
.shell{display:flex;min-height:100vh}
.side{width:var(--side);border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;background:#fff;z-index:20}
.side .brand{padding:18px 18px 14px;border-bottom:1px solid var(--line2)} .side .brand img{width:190px;display:block}
.nav{padding:10px 10px;flex:1;overflow:auto}
.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:var(--ink2);font-weight:500;margin-bottom:2px}
.nav a:hover{background:var(--panel);color:var(--ink)} .nav a.on{background:var(--blue-l);color:var(--blue)}
.nav a svg{width:18px;height:18px;flex:none} .nav .cnt{margin-left:auto;background:var(--red);color:#fff;border-radius:99px;font-size:11px;padding:0 7px;line-height:18px}
.nav .sec{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);padding:14px 10px 6px}
.me{border-top:1px solid var(--line2);padding:12px 14px;display:flex;gap:10px;align-items:center}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:600;font-size:13px;flex:none}
.me .who{min-width:0;flex:1} .me .who b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis} .me .who span{font-size:12px;color:var(--ink3)}
.main{margin-left:var(--side);flex:1;min-width:0}
.top{height:60px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 28px;position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);z-index:10}
.top h1{font-size:18px;margin:0;font-weight:650;letter-spacing:-.01em} .top .sp{flex:1}
.top .mlogo{display:none;height:30px}
.page{padding:24px 28px 60px;max-width:1280px}
.tabbar{display:none}

/* ---------- components ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 12px;font-weight:550;cursor:pointer;white-space:nowrap;box-shadow:var(--sh)}
.btn:hover{background:var(--panel)} .btn.p{background:var(--blue);border-color:var(--blue);color:#fff} .btn.p:hover{background:var(--blue-d)}
.btn.d{color:var(--red);border-color:#f5c2c7} .btn.sm{padding:4px 9px;font-size:12.5px} .btn.g{box-shadow:none;border-color:transparent;background:transparent}
.btn:disabled{opacity:.5;cursor:not-allowed}
.card{border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--sh)}
.card>.hd{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line2)} .card>.hd h3{margin:0;font-size:14.5px;font-weight:650} .card>.hd .sp{flex:1}
.card>.bd{padding:14px 16px} .card>.bd.np{padding:0}
.grid{display:grid;gap:16px} .g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{padding:14px 16px} .stat .l{font-size:12px;color:var(--ink2);font-weight:550} .stat .v{font-size:26px;font-weight:700;letter-spacing:-.02em;margin-top:2px} .stat .s{font-size:12px;color:var(--ink3)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap} .sp{flex:1} .mt{margin-top:16px} .mb{margin-bottom:16px} .muted{color:var(--ink3)} .small{font-size:12.5px} .b{font-weight:600}
table.t{width:100%;border-collapse:collapse} .t th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink3);font-weight:600;padding:9px 12px;border-bottom:1px solid var(--line);background:var(--panel);white-space:nowrap}
.t td{padding:10px 12px;border-bottom:1px solid var(--line2);vertical-align:middle} .t tr:last-child td{border-bottom:0} .t tr.click{cursor:pointer} .t tr.click:hover td{background:#fafbff}
.tw{overflow-x:auto}
.badge{display:inline-flex;align-items:center;gap:4px;padding:1px 8px;border-radius:99px;font-size:11.5px;font-weight:600;background:var(--line2);color:var(--ink2);white-space:nowrap}
.badge.blue{background:var(--blue-l);color:var(--blue)} .badge.green{background:var(--green-l);color:var(--green)} .badge.red{background:var(--red-l);color:var(--red)} .badge.amber{background:var(--amber-l);color:var(--amber)}
.bar{height:6px;background:var(--line2);border-radius:99px;overflow:hidden;min-width:60px} .bar i{display:block;height:100%;background:var(--blue);border-radius:99px} .bar.done i{background:var(--green)}
.prog{display:grid;grid-template-columns:auto 1fr auto;gap:4px 10px;align-items:center;font-size:12.5px} .prog .k{color:var(--ink2)}
.alert{display:flex;gap:10px;padding:10px 14px;border-radius:8px;background:var(--amber-l);color:#7c3a06;margin-bottom:10px;align-items:center} .alert.red{background:var(--red-l);color:#9f1020} .alert.blue{background:var(--blue-l);color:var(--blue-d)}
.empty{padding:28px;text-align:center;color:var(--ink3)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto} .tabs a{padding:9px 12px;color:var(--ink2);font-weight:550;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap} .tabs a.on{color:var(--blue);border-color:var(--blue)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden} .seg button{border:0;background:#fff;padding:5px 10px;cursor:pointer;font-size:12.5px;font-weight:550;border-right:1px solid var(--line)} .seg button:last-child{border-right:0} .seg button.on{background:var(--blue);color:#fff}
.seg.att button.on.absent{background:var(--red)} .seg.att button.on.late,.seg.att button.on.left_early{background:var(--amber)} .seg.att button.on.present{background:var(--green)}

/* forms */
label.f{display:block;margin-bottom:12px} label.f>span{display:block;font-size:12.5px;font-weight:600;color:var(--ink2);margin-bottom:4px}
input.i,select.i,textarea.i{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;outline:none} input.i:focus,select.i:focus,textarea.i:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
textarea.i{min-height:80px;resize:vertical} .fr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px} .fr3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 12px}
.chk{display:flex;gap:8px;align-items:center;margin-bottom:8px;cursor:pointer} .chk input{width:16px;height:16px;accent-color:var(--blue)}
.search{position:relative} .search input{padding-left:32px} .search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:16px;color:var(--ink3)}
.gb input{width:64px;border:1px solid transparent;border-radius:6px;padding:5px 6px;text-align:right;background:transparent} .gb input:hover{border-color:var(--line)} .gb input:focus{border-color:var(--blue);outline:none;background:#fff}
.gb td,.gb th{white-space:nowrap}

/* modal & toast */
.ov{position:fixed;inset:0;background:rgba(17,24,39,.35);display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px;z-index:100;overflow:auto}
.modal{background:#fff;border-radius:14px;width:100%;max-width:560px;box-shadow:0 20px 50px rgba(0,0,0,.2)} .modal.wide{max-width:760px}
.modal .mh{padding:16px 20px;border-bottom:1px solid var(--line2);display:flex;align-items:center} .modal .mh h3{margin:0;font-size:16px} .modal .mb{padding:18px 20px} .modal .mf{padding:12px 20px;border-top:1px solid var(--line2);display:flex;justify-content:flex-end;gap:8px}
.err{color:var(--red);font-size:13px;margin-top:6px;white-space:pre-wrap}
#toast-root{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;box-shadow:0 8px 20px rgba(0,0,0,.2);font-weight:500} .toast.bad{background:var(--red)}

/* messages */
.thread{display:flex;flex-direction:column;gap:8px;max-height:420px;overflow:auto;padding:14px 16px}
.msg{max-width:78%;padding:8px 12px;border-radius:12px;background:var(--panel);border:1px solid var(--line2)} .msg.mine{align-self:flex-end;background:var(--blue-l);border-color:#dbe1f7} .msg .who{font-size:11.5px;color:var(--ink3);margin-bottom:2px}
.composer{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--line2)} .composer textarea{min-height:42px;height:42px}

/* login */
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(180deg,#fff, #f6f8fd)}
.login .box{width:100%;max-width:400px} .login .box img{width:280px;display:block;margin:0 auto 26px}
.login .card{padding:24px} .login h2{margin:0 0 4px;font-size:18px} .login p{margin:0 0 18px;color:var(--ink2)}
.foot{font-size:12px;color:var(--ink3);text-align:center;margin-top:16px}

/* drive list */
.day{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink2);padding:14px 4px 6px}
.drv{display:flex;gap:14px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line2)} .drv:last-child{border-bottom:0}
.drv .tm{width:92px;flex:none;font-weight:650} .drv .tm span{display:block;font-size:12px;color:var(--ink3);font-weight:500} .drv .inf{flex:1;min-width:0} .drv .inf .s{font-size:12.5px;color:var(--ink2)} .drv .act{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- mobile ---------- */
@media (max-width: 900px){
  .side{display:none} .main{margin-left:0}
  .top{padding:0 14px;height:56px} .top .mlogo{display:block} .top h1{font-size:16px}
  .page{padding:16px 14px 96px}
  .g2,.g3,.g4{grid-template-columns:1fr} .g4.stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fr,.fr3{grid-template-columns:1fr}
  .tabbar{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:30}
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10.5px;color:var(--ink3);font-weight:600;position:relative}
  .tabbar a svg{width:22px;height:22px} .tabbar a.on{color:var(--blue)} .tabbar .cnt{position:absolute;top:-2px;right:calc(50% - 20px);background:var(--red);color:#fff;border-radius:99px;font-size:10px;padding:0 5px}
  .drv{flex-wrap:wrap} .drv .act{width:100%;justify-content:flex-start}
  .ov{padding:0;align-items:flex-end} .modal{border-radius:16px 16px 0 0;max-height:92vh;overflow:auto}
  .hide-m{display:none}
}
@media (min-width: 901px){ .hide-d{display:none} }
.sheet a{display:flex;gap:12px;align-items:center;padding:12px 4px;border-bottom:1px solid var(--line2);color:var(--ink);font-weight:550} .sheet a svg{width:20px;color:var(--ink2)}
.btn svg{width:16px;height:16px;flex:none} .alert svg{width:18px;height:18px;flex:none} .sheet a svg{height:20px}