:root{--bg:#0b0f14;--panel:#151b23;--panel2:#1b2430;--text:#f5f7fb;--muted:#92a2b8;--accent:#3b82f6;--danger:#ef4444;--ok:#22c55e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}aside{background:#141a22;padding:26px 14px;display:flex;flex-direction:column;gap:7px}.brand{font-size:28px;font-weight:800;padding:8px 14px 24px;color:#fff}.brand::first-letter{color:var(--accent)}aside a{color:#9fb0c7;text-decoration:none;padding:14px 18px;border-radius:8px}aside a:hover{background:#1d2633;color:#fff}.exit{margin-top:auto}main{padding:34px 38px}header{display:flex;justify-content:space-between;align-items:center}.card{background:var(--panel);border:1px solid #263140;border-radius:14px;padding:20px;margin:18px 0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.metric{font-size:30px;font-weight:800}.muted{color:var(--muted)}table{width:100%;border-collapse:collapse}th,td{padding:13px 10px;border-bottom:1px solid #27313e;text-align:left}th{color:#9fb0c7;font-size:13px}.ok{color:var(--ok)}.bad{color:var(--danger)}button,.btn{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:11px 16px;text-decoration:none;cursor:pointer}button.danger,.danger{background:#7f1d1d}input,select,textarea{width:100%;padding:11px;border:1px solid #344154;border-radius:8px;background:#0f141b;color:#fff;margin:5px 0 14px}.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.actions{display:flex;gap:8px}.alert{background:#4c1d1d;padding:10px;border-radius:8px;margin:8px 0}.success{background:#12351f;padding:10px;border-radius:8px;margin:8px 0}.login{display:grid;place-items:center;min-height:100vh}.login-card{width:min(420px,92vw);background:var(--panel);padding:32px;border:1px solid #263140;border-radius:14px}.login-card h1{margin-bottom:0}.login-card p{color:var(--muted)}small{color:var(--muted)}@media(max-width:800px){.shell{grid-template-columns:1fr}aside{position:static}.grid,.row{grid-template-columns:1fr}}