:root{--bg: #0f1115;--surface: #181b22;--surface-2: #20242e;--border: #2a2f3a;--text: #e6e8ee;--muted: #9aa3b2;--brand: #2ec4a6;--brand-d: #1f9b82;--danger: #e05260;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--brand)}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:32px;width:100%;max-width:400px}.card h1{margin:0 0 4px;font-size:22px}.card p.sub{margin:0 0 24px;color:var(--muted);font-size:14px}label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}input,select{width:100%;padding:11px 12px;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;color:var(--text);font-size:14px;outline:none}input:focus{border-color:var(--brand)}button{width:100%;margin-top:20px;padding:12px;border:0;border-radius:9px;background:var(--brand);color:#06251e;font-weight:700;font-size:14px;cursor:pointer}button:hover{background:var(--brand-d);color:#fff}button:disabled{opacity:.6;cursor:default}button.ghost{background:transparent;color:var(--muted);border:1px solid var(--border);font-weight:500}.err{background:#3a1620;border:1px solid var(--danger);color:#ffb3bd;padding:10px 12px;border-radius:9px;font-size:13px;margin-top:16px}.switch{margin-top:18px;text-align:center;font-size:13px;color:var(--muted)}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.side{background:var(--surface);border-right:1px solid var(--border);padding:20px}.side .logo{font-weight:800;font-size:18px;margin-bottom:24px}.side nav a{display:block;padding:10px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:14px;margin-bottom:4px}.side nav a.active,.side nav a:hover{background:var(--surface-2);color:var(--text)}.main{padding:28px 32px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.topbar h2{margin:0;font-size:20px}.row{display:flex;gap:10px}.row input{max-width:280px}.row button{margin:0;width:auto;padding:11px 18px}table{width:100%;border-collapse:collapse;margin-top:8px}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}.empty{color:var(--muted);padding:40px;text-align:center}.del{color:var(--danger);cursor:pointer;background:none;border:0;width:auto;margin:0;padding:0;font-size:13px}