:root{--bg: #0f1117;--surface: #171a23;--border: #262b38;--text: #e6e8ee;--muted: #8b93a7;--accent: #6d8cff;--warn-bg: #3b2f0b;--warn-border: #7a6414;--warn-text: #f5d76e;--ok: #3ecf8e;--err: #ff6b6b;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:inherit;text-decoration:none}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:20px 12px}.brand{font-weight:700;font-size:16px;padding:0 10px 18px;letter-spacing:-.01em}.nav a{display:block;padding:8px 10px;border-radius:6px;color:var(--muted)}.nav a:hover{background:#1e2230;color:var(--text)}.nav a.active{background:#232838;color:var(--text)}.content{padding:24px 28px}.banner{background:var(--warn-bg);border:1px solid var(--warn-border);color:var(--warn-text);padding:10px 14px;border-radius:8px;margin-bottom:20px;font-weight:600}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin-bottom:14px}h1{font-size:20px;margin:0 0 18px}h2{font-size:15px;margin:0 0 10px}.muted{color:var(--muted)}.ok{color:var(--ok)}.err{color:var(--err)}.kv{display:grid;grid-template-columns:180px 1fr;gap:6px 12px}.kv dt{color:var(--muted)}.kv dd{margin:0;font-variant-numeric:tabular-nums}.centered{display:grid;place-items:center;min-height:100vh;padding:20px}.auth-card{width:100%;max-width:340px}.auth-card h1{margin-bottom:4px}label{display:block;margin:12px 0 4px;color:var(--muted)}input{width:100%;padding:9px 10px;border-radius:6px;border:1px solid var(--border);background:#12141c;color:var(--text);font:inherit}input:focus{outline:2px solid var(--accent);outline-offset:1px}button{margin-top:14px;padding:9px 14px;border-radius:6px;border:1px solid var(--border);background:var(--accent);color:#0b0d13;font:inherit;font-weight:600;cursor:pointer}button:hover:not(:disabled){filter:brightness(1.1)}button:disabled{opacity:.55;cursor:not-allowed}button.danger{background:transparent;color:var(--err);border-color:#5a2326}button.link{background:none;border:none;color:var(--muted);padding:8px 10px;margin-top:18px;font-weight:400}button.link:hover{color:var(--text)}.actions{display:flex;flex-wrap:wrap;gap:8px}.actions button{margin-top:10px}.card.ok{border-color:#1f5b43}.card.err{border-color:#5a2326}.small{font-size:12px}code{background:#12141c;padding:1px 5px;border-radius:4px;font-size:12px}