:root{--bg:#f5f6f8;--panel:#fff;--ink:#1b2430;--muted:#667085;--line:#e4e7ec;--brand:#4f46e5;--brand-ink:#fff;--ok:#12805c;--ok-bg:#e7f6ef;--warn:#9a6700;--warn-bg:#fff4d6;--bad:#b42318;--bad-bg:#fde8e6;--info:#175cd3;--info-bg:#e8f0fe;--radius:10px;--side:236px}
@media (prefers-color-scheme:dark){:root{--bg:#0f1318;--panel:#171c23;--ink:#e6e9ee;--muted:#98a2b3;--line:#262d37;--brand:#7c7bf2;--ok:#4cc38a;--ok-bg:#12281f;--warn:#e5b64b;--warn-bg:#2c2410;--bad:#f1786d;--bad-bg:#2f1714;--info:#7aa7f7;--info-bg:#14213a}}
*{box-sizing:border-box}
html,body{margin:0}
body{font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .5em;line-height:1.25}h1{font-size:20px}h2{font-size:16px}h3{font-size:14px}
.shell{display:flex;min-height:100vh}
.sidebar{width:var(--side);background:var(--panel);border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;gap:8px;position:sticky;top:0;height:100vh;overflow:auto;flex:0 0 var(--side)}
.brand-mark{font-weight:700;font-size:16px;padding:6px 10px 14px}
.nav-link{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:8px;color:var(--ink)}
.nav-link:hover{background:var(--bg);text-decoration:none}
.nav-link.active{background:var(--brand);color:var(--brand-ink)}
.nav-link .ico{width:18px;text-align:center;opacity:.8}
.logout{margin-top:auto}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;padding:12px 24px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar h1{margin:0;flex:1}
.topbar-right{display:flex;gap:8px;align-items:center}
.menu-btn{display:none}
.content{padding:24px;max-width:1400px;width:100%}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:16px}
.card.narrow{max-width:520px;margin:40px auto}
.card h2{display:flex;align-items:center;justify-content:space-between;gap:8px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{font-size:26px;font-weight:700}.stat-label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.muted{color:var(--muted)}.small{font-size:12px}.right{text-align:right}.nowrap{white-space:nowrap}
table{width:100%;border-collapse:collapse}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.table-wrap{overflow-x:auto}
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--ink);font:inherit;cursor:pointer}
.btn:hover{background:var(--bg);text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.btn-primary:hover{filter:brightness(1.08);background:var(--brand)}
.btn-danger{background:var(--bad);border-color:var(--bad);color:#fff}.btn-danger:hover{filter:brightness(1.08);background:var(--bad)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn-sm{padding:4px 9px;font-size:12px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:block;font-weight:600;margin:12px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=url],input[type=number],input[type=date],input[type=time],input[type=datetime-local],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);font:inherit}
textarea{min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:-1px}
.help{color:var(--muted);font-size:12px;margin-top:3px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.row>*{flex:1;min-width:160px}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--info-bg);color:var(--info)}
.pill-green{background:var(--ok-bg);color:var(--ok)}.pill-red{background:var(--bad-bg);color:var(--bad)}.pill-amber{background:var(--warn-bg);color:var(--warn)}.pill-gray{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;background:var(--info-bg);color:var(--info)}
.flash-success{background:var(--ok-bg);color:var(--ok)}.flash-error{background:var(--bad-bg);color:var(--bad)}.flash-warning{background:var(--warn-bg);color:var(--warn)}
.auth-wrap{max-width:420px;margin:12vh auto;padding:0 16px}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--muted);margin-right:6px}.dot-green{background:var(--ok)}.dot-red{background:var(--bad)}.dot-amber{background:var(--warn)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:8px 12px;border-bottom:2px solid transparent;color:var(--muted)}.tabs a.active{border-color:var(--brand);color:var(--ink);font-weight:600}
.empty{text-align:center;color:var(--muted);padding:28px 8px}
.toast{position:fixed;right:16px;bottom:16px;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:8px;z-index:50;max-width:360px}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){
  .sidebar{position:fixed;left:-260px;z-index:20;transition:left .15s;width:240px;box-shadow:0 0 30px rgba(0,0,0,.2)}
  .sidebar.open{left:0}
  .menu-btn{display:inline-flex}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .content{padding:14px}.topbar{padding:10px 14px;flex-wrap:wrap}
}