:root{--bg: #0f172a;--panel: #1e293b;--panel-2: #273449;--text: #e2e8f0;--muted: #94a3b8;--accent: #1e88e5;--accent-2: #0b4182;--danger: #ef4444;--ok: #22c55e;--border: #334155}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,Tahoma,Arial,sans-serif}a{color:var(--accent);text-decoration:none}.muted{color:var(--muted)}.center{display:grid;place-items:center;min-height:60vh}.app{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--panel);border-inline-end:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:6px}.sidebar .brand{font-weight:700;font-size:18px;margin-bottom:14px}.sidebar a{color:var(--text);padding:10px 12px;border-radius:8px}.sidebar a.active,.sidebar a:hover{background:var(--panel-2)}.sidebar .spacer{flex:1}.main{flex:1;padding:24px 28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:16px}.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:start;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600}input,select{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);margin-top:6px}label{display:block;margin-bottom:12px;font-size:14px}.btn{background:var(--accent);color:#fff;border:0;padding:10px 16px;border-radius:8px;cursor:pointer;font-size:14px}.btn:hover{background:#1769aa}.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn.danger{background:var(--danger)}.btn.sm{padding:6px 10px;font-size:13px}.badge{padding:2px 8px;border-radius:999px;font-size:12px;background:var(--panel-2)}.badge.ok{background:#22c55e26;color:var(--ok)}.auth-wrap{max-width:380px;margin:8vh auto}.row{display:flex;gap:10px;align-items:center}.error{color:var(--danger);font-size:14px;margin:8px 0}.stat{font-size:28px;font-weight:700}