:root{
  --ink:#0E3A46; --inkDeep:#0A2C36; --milk:#F4F3EE; --panel:#0D3944;
  --fat:#E0A32E; --snf:#1F9D6B; --alert:#D6493B; --muted:#79A9A2; --line:#e4e6e1;
  --card:#ffffff;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,sans-serif;background:var(--milk);color:var(--ink)}
.shell{display:flex;min-height:100vh}
.sidebar{width:250px;background:var(--inkDeep);color:#cfe3de;padding:18px 0;flex-shrink:0}
.brand{font-family:'Space Grotesk',Inter,sans-serif;font-size:24px;font-weight:700;color:#fff;padding:0 20px}
.brand span{color:var(--snf)}
.side-sub{padding:2px 20px 14px;color:var(--muted);font-size:12px}
.sidebar nav a{display:block;padding:9px 20px;color:#bcd9d4;text-decoration:none;font-size:14px;border-left:3px solid transparent}
.sidebar nav a:hover{background:#0c333e;color:#fff}
.sidebar nav a.on{background:#0c333e;color:#fff;border-left-color:var(--snf)}
.nav-label{padding:14px 20px 4px;color:#5f8981;font-size:11px;text-transform:uppercase;letter-spacing:.05em;margin:0}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}
.crumb{font-weight:700;font-size:18px}
.user{font-size:13px;color:var(--muted)}
.user .logout{margin-left:14px;color:var(--alert);text-decoration:none;font-weight:600}
.content{padding:22px 24px}
.flash.ok{margin:14px 24px 0;padding:10px 14px;background:#e1f3ea;color:#0c5f40;border-radius:8px;font-size:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:20px}
.stat{background:var(--panel);color:#fff;border-radius:14px;padding:16px}
.stat .n{font-size:26px;font-weight:700}
.stat .l{color:var(--muted);font-size:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:18px}
.card h3{margin:0 0 12px;font-size:15px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}
td.num,th.num{text-align:right;font-family:'JetBrains Mono',monospace}
.btn{display:inline-block;background:var(--ink);color:#fff;border:0;border-radius:9px;padding:9px 16px;font-size:14px;text-decoration:none;cursor:pointer}
.btn.snf{background:var(--snf)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn.sm{padding:5px 10px;font-size:12px}
.pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.pill.on{background:#e1f3ea;color:#0c5f40}.pill.off{background:#fdecea;color:#b5271b}
.pill.mode{background:#eef5f3;color:var(--ink)}
form.stack label{display:block;margin:12px 0 4px;font-size:13px;color:var(--muted)}
form.stack input,form.stack select,form.stack textarea{width:100%;max-width:420px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:14px}
.row{display:flex;gap:20px;flex-wrap:wrap}
.trend{display:flex;align-items:flex-end;gap:8px;height:120px;padding-top:10px}
.trend .bar{flex:1;background:var(--snf);border-radius:5px 5px 0 0;min-height:3px;position:relative}
.trend .bar span{position:absolute;bottom:-20px;left:0;right:0;text-align:center;font-size:10px;color:var(--muted)}
.matrix td{font-family:'JetBrains Mono',monospace}
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--inkDeep)}
.login-card{background:#fff;border-radius:16px;padding:30px;width:340px}
.login-card h1{font-family:'Space Grotesk',Inter,sans-serif;margin:0 0 4px}
.login-card .sub{color:var(--muted);font-size:13px;margin-bottom:18px}
.login-card input{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;font-size:15px}
.login-card .err{background:#fdecea;color:#b5271b;padding:9px 12px;border-radius:8px;font-size:13px;margin-bottom:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}