:root{--fg: #1a202c;--muted: #64748b;--bg: #f8fafc;--panel: #ffffff;--border: #e2e8f0;--accent: #2563eb;--accent-hover: #1d4ed8;--ok: #16a34a;--warn: #d97706;--err: #dc2626;--code-bg: #f1f5f9}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;color:var(--fg);background:var(--bg);line-height:1.5;font-size:14px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:#0f172a;color:#cbd5e1;padding:24px 0;display:flex;flex-direction:column}.sidebar .brand{padding:0 24px 24px;font-weight:700;font-size:18px;color:#fff;border-bottom:1px solid #1e293b}.sidebar nav{padding:16px 0;flex:1}.sidebar nav a{display:block;padding:10px 24px;color:#cbd5e1}.sidebar nav a:hover{background:#1e293b;color:#fff;text-decoration:none}.sidebar nav a.active{background:#1e293b;color:#fff;border-left:3px solid var(--accent);padding-left:21px}.sidebar .footer{padding:16px 24px;font-size:12px;color:#64748b;border-top:1px solid #1e293b}.sidebar .footer button{background:none;border:1px solid #334155;color:#cbd5e1;padding:6px 10px;border-radius:4px;cursor:pointer;font-size:12px}.main{flex:1;padding:32px 40px;max-width:1100px}h1{font-size:24px;margin:0 0 8px}h2{font-size:18px;margin:24px 0 8px}.subtitle{color:var(--muted);margin:0 0 24px}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:16px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.card-header h3{margin:0;font-size:16px}.pill{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:10px;text-transform:uppercase;letter-spacing:.04em}.pill.ok{background:#dcfce7;color:#14532d}.pill.warn{background:#fef3c7;color:#78350f}.pill.muted{background:#e2e8f0;color:#475569}.pill.err{background:#fee2e2;color:#7f1d1d}.pill.active{background:var(--accent);color:#fff}label{display:block;font-size:12px;font-weight:600;margin:12px 0 4px;color:#334155;text-transform:uppercase;letter-spacing:.04em}input,select,textarea{width:100%;padding:8px 10px;font-family:inherit;font-size:14px;border:1px solid var(--border);border-radius:4px;background:#fff}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}input:disabled,input[readonly]{background:var(--code-bg);color:var(--muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.helper{font-size:12px;color:var(--muted);margin-top:4px}button{background:var(--accent);color:#fff;border:none;padding:8px 14px;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:#fff;color:var(--fg);border:1px solid var(--border)}button.secondary:hover:not(:disabled){background:var(--bg)}button.danger{background:var(--err)}button.danger:hover:not(:disabled){background:#b91c1c}.button-row{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}.banner{padding:10px 14px;border-radius:4px;margin:12px 0;font-size:13px}.banner.ok{background:#dcfce7;color:#14532d;border:1px solid #86efac}.banner.err{background:#fee2e2;color:#7f1d1d;border:1px solid #fca5a5}.banner.info{background:#dbeafe;color:#1e3a8a;border:1px solid #93c5fd}.banner.warn{background:#fef3c7;color:#78350f;border:1px solid #fcd34d}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}.login-card{width:100%;max-width:360px}.code{font-family:ui-monospace,SFMono-Regular,monospace;background:var(--code-bg);padding:2px 6px;border-radius:3px;font-size:12px}.muted{color:var(--muted)}.small{font-size:12px}.spacer{flex:1}.error-text{color:var(--err);font-size:12px;margin-top:4px}.success-text{color:var(--ok);font-size:12px;margin-top:4px}