:root{
  --ink:#0e1524; --ink2:#1b2436; --line:#e3e7ee; --muted:#6b7688;
  --acc:#d92c2c; --acc2:#b41f1f; --bg:#f5f6f9; --card:#fff; --ok:#0f8a4d; --soon:#c47b00;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 Inter,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#16202f;background:var(--bg)}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--acc)}
.wrap{display:flex;min-height:100vh}
.side{width:236px;background:var(--ink);color:#cfd6e3;padding:22px 16px;flex:0 0 236px;position:sticky;top:0;height:100vh}
.side .brand{display:flex;align-items:center;gap:10px;margin-bottom:26px;color:#fff}
.side .bb{width:34px;height:34px;border-radius:10px;background:var(--acc);display:grid;place-items:center;font-weight:800;color:#fff}
.side .brand b{display:block;font-size:15px;letter-spacing:.02em}
.side .brand span{font-size:11px;color:#8b97ab;letter-spacing:.14em;text-transform:uppercase}
.side a.nav{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:9px 12px;border-radius:9px;color:#c3ccdb;font-size:14px}
.side a.nav:hover{background:#182033;color:#fff}
.side a.nav.on{background:var(--acc);color:#fff}
.side .badge{background:#fff;color:var(--acc);border-radius:9px;font-size:11px;font-weight:700;padding:1px 7px}
.side .badge.warn{background:#ffd9d9;color:#8f1414}
.side .me{margin-top:22px;padding-top:16px;border-top:1px solid #243050;font-size:13px;color:#8b97ab}
.side .me b{display:block;color:#fff;font-size:14px}
.main{flex:1;min-width:0;padding:26px 30px 60px}
h1{font-size:24px;margin:0 0 4px}
.sub{color:var(--muted);margin:0 0 22px;font-size:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:24px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.kpi b{display:block;font-size:26px;letter-spacing:-.02em}
.kpi span{color:var(--muted);font-size:12.5px}
.kpi.red b{color:var(--acc)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px}
.card h2{font-size:16px;margin:0 0 12px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:0}
.btn{display:inline-block;padding:8px 14px;border-radius:9px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-size:13.5px;cursor:pointer}
.btn:hover{background:#000;color:#fff}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.red{background:var(--acc);border-color:var(--acc)}
.btn.sm{padding:5px 10px;font-size:12.5px}
.tag{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:20px;background:#eef1f6;color:#46536a}
.tag.ok{background:#e3f6ec;color:var(--ok)}
.tag.soon{background:#fdf1dc;color:var(--soon)}
.tag.exp{background:#fde4e4;color:#a41c1c}
.tag.none{background:#f1f3f7;color:#8b95a7}
input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:9px;background:#fff;width:100%}
textarea{min-height:90px}
label{display:block;font-size:12.5px;color:var(--muted);margin:10px 0 4px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.row>div{flex:1;min-width:150px}
.flash{padding:10px 14px;border-radius:10px;margin-bottom:16px;font-size:14px}
.flash.ok{background:#e5f7ed;color:#0b6b3c}
.flash.err{background:#fdeaea;color:#a11}
.matrix{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
.matrix table{font-size:13px;min-width:900px}
.matrix th.sticky,.matrix td.sticky{position:sticky;left:0;background:#fff;z-index:2}
.matrix th.sticky{background:#f7f8fb}
.matrix td.cell{padding:0}
.matrix button.c{all:unset;display:block;width:100%;padding:9px 6px;text-align:center;cursor:pointer;font-size:12px}
.matrix button.c:hover{background:#f4f6fa}
.ok-t{color:var(--ok)} .soon-t{color:var(--soon)} .exp-t{color:#b41f1f}
.lesson{border-top:1px solid var(--line);padding:12px 0}
.lesson:first-of-type{border-top:0}
.login{max-width:380px;margin:9vh auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}
.login .bb{width:44px;height:44px;border-radius:12px;background:var(--acc);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:14px}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.grid2{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}
@media(max-width:860px){
  .wrap{display:block}
  .side{width:auto;height:auto;position:static;display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:14px}
  .side .brand{margin:0 10px 0 0}
  .side .me{margin:0;padding:0;border:0}
  .main{padding:18px}
  .grid2{grid-template-columns:1fr}
}