:root{--text:#374151;--text-light:#6b7280;--text-heading:#111827;--bg:#f9fafb;--bg-card:#fff;--border:#e5e7eb;--border-light:#f3f4f6;--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#dc2626;--danger-hover:#b91c1c;--success:#16a34a;--warning:#d97706;--radius:8px;--radius-sm:6px;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", Consolas, monospace}*{box-sizing:border-box}body{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-size:14px;line-height:1.5}h1,h2,h3{color:var(--text-heading);margin:0;font-weight:600}h1{font-size:22px}h2{font-size:18px}h3{font-size:15px}p{margin:0}input,select,button{font-family:inherit;font-size:14px}input[type=text],input[type=email],input[type=password],select{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text);outline:none;padding:8px 12px;transition:border-color .15s}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}button{cursor:pointer;border-radius:var(--radius-sm);border:none;font-weight:500;transition:all .15s}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;padding:8px 16px}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg-card);color:var(--text);border:1px solid var(--border);padding:8px 16px}.btn-secondary:hover:not(:disabled){background:var(--border-light)}.btn-danger-outline{color:var(--danger);border:1px solid var(--danger);background:0 0;padding:6px 12px;font-size:13px}.btn-danger-outline:hover:not(:disabled){background:var(--danger);color:#fff}.btn-ghost{color:var(--primary);background:0 0;padding:4px 8px}.btn-ghost:hover{text-decoration:underline}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:20px}table{border-collapse:collapse;width:100%;font-size:14px}th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--text-light);border-bottom:1px solid var(--border);padding:10px 12px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--border-light);vertical-align:top;padding:10px 12px}tr:last-child td{border-bottom:none}code{font-family:var(--mono);background:var(--border-light);color:var(--text-heading);border-radius:4px;padding:2px 6px;font-size:13px}