:root{--ink:#12151f;--ink2:#1c2130;--paper:#f5f6f8;--card:#fff;--line:#e2e5ec;--text:#1a1e2b;--muted:#5d6577;--gold:#f5c518;--gold-d:#8a6d00;--ok:#13795b;--bad:#b3261e;--focus:#2457d6}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--text);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-variant-numeric:tabular-nums}
.hidden{display:none!important}
h1{font-size:1.5rem;margin:0 0 4px;letter-spacing:-.01em}
h2{font-size:1.05rem;margin:28px 0 10px}
p{margin:0 0 10px}
.lead{color:var(--muted);max-width:62ch;margin-bottom:18px}
label{display:block;font-size:.82rem;font-weight:600;color:var(--muted);margin:14px 0 5px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #c9cedb;border-radius:8px;background:#fff;color:var(--text);font:inherit}
textarea{min-height:96px;resize:vertical;line-height:1.5}
input[type=checkbox]{width:auto;margin-right:8px;transform:scale(1.15)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
button{font:inherit;font-weight:600;cursor:pointer;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--text);padding:9px 16px}
button.primary{background:var(--ink);border-color:var(--ink);color:#fff}
button.primary:hover{background:var(--ink2)}
button.ghost{background:transparent}
button.danger{color:var(--bad);border-color:#e4b9b5}
button.small{padding:5px 10px;font-size:.85rem}
button.wide{width:100%;margin-top:14px}
button:disabled{opacity:.5;cursor:default}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:16px;background:var(--ink)}
.login{background:#fff;border-radius:14px;padding:28px;width:min(400px,100%)}
.login-logo{height:56px;display:block;margin:0 auto 14px}
.login h1{text-align:center;margin-bottom:6px}
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{background:var(--ink);color:#e9ecf4;padding:18px 12px;position:sticky;top:0;height:100vh;overflow:auto;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;justify-content:space-between;padding:0 8px 14px}
.brand img{height:40px;width:auto}
.icon-btn{display:none;color:#fff;border-color:#3a4155}
.nav-group{margin:14px 0 4px;padding:0 10px;font-size:.78rem;color:#9aa3b8}
#nav button{display:block;width:100%;text-align:left;border:0;background:transparent;color:#e9ecf4;padding:9px 10px;border-radius:8px;font-weight:500}
#nav button:hover{background:var(--ink2)}
#nav button[aria-current=page]{background:var(--gold);color:#241c00;font-weight:700}
.logout{margin-top:auto;color:#c9cfdf;border-color:#3a4155}
.main{padding:28px clamp(16px,3vw,40px) 80px;max-width:1100px;width:100%}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:0 0 14px}
.card h2:first-child,.card h3:first-child{margin-top:0}
h3{font-size:1rem;margin:0 0 6px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:14px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat b{display:block;font-size:1.7rem;line-height:1.2}
.stat span{color:var(--muted);font-size:.85rem}
.stat.alert{border-color:var(--gold);background:#fff9de}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:160px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;align-items:center}
.note{color:var(--muted);font-size:.9rem}
.note.err,.err{color:var(--bad)}.note.ok{color:var(--ok)}
.tag{display:inline-block;padding:2px 8px;border-radius:99px;font-size:.78rem;font-weight:600;background:#eceff5;color:var(--muted)}
.tag.ok{background:#dff3ea;color:var(--ok)}.tag.warn{background:#fff3c4;color:var(--gold-d)}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:.82rem;background:#fafbfc}
tr:last-child td{border-bottom:0}
.item{border:1px solid var(--line);border-radius:10px;padding:12px;margin:8px 0;background:#fcfcfd}
.toast{position:fixed;right:16px;bottom:16px;z-index:10;max-width:min(420px,calc(100vw - 32px));margin:0;padding:12px 16px;border-radius:10px;background:var(--ink);color:#fff;box-shadow:0 8px 24px rgba(18,21,31,.25)}
.toast.err{background:var(--bad);color:#fff}
@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;padding:10px 12px}
  .icon-btn{display:inline-block}
  #nav,.logout{display:none}
  .side.open #nav,.side.open .logout{display:block}
  .brand{padding-bottom:6px}
}
@media (prefers-reduced-motion:no-preference){.toast{animation:in .18s ease-out}@keyframes in{from{opacity:0;transform:translateY(6px)}}}