:root{--bg:#fafafa;--bg-card:#fff;--text:#1a1a1a;--text-muted:#666;--border:#e5e5e5;--primary:#2563eb;--primary-light:#eff6ff;--green:#16a34a;--red:#dc2626;--font:system-ui, -apple-system, "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}header{border-bottom:1px solid var(--border);background:var(--bg-card);padding:1rem 0}header .container{justify-content:space-between;align-items:center;display:flex}header h1{font-size:1.25rem;font-weight:700}nav{gap:1.5rem;font-size:.9rem;display:flex}main{padding:2rem 0}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;margin-bottom:1.5rem;padding:1.5rem}.card h2{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;font-size:.75rem;font-weight:600}.card .value{font-size:2rem;font-weight:700}.card .value.positive{color:var(--green)}.card .value.negative{color:var(--red)}.card .unit{color:var(--text-muted);margin-left:.25rem;font-size:.85rem}.card .subtitle{color:var(--text-muted);margin-top:.25rem;font-size:.8rem}.grid{gap:1.5rem;display:grid}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.data-table{border-collapse:collapse;width:100%;font-size:.9rem}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--border);padding:.6rem .75rem}.data-table th{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;font-size:.75rem;font-weight:600}.data-table tr:last-child td{border-bottom:none}.status-badge{border-radius:4px;padding:.15rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.status-badge.ok{color:#166534;background:#dcfce7}.status-badge.error{color:#991b1b;background:#fee2e2}.status-badge.loading{color:#92400e;background:#fef3c7}.api-test-result{background:#f5f5f5;border-radius:6px;max-height:300px;margin-top:1rem;padding:1rem;font-family:Menlo,Monaco,Consolas,monospace;font-size:.8rem;overflow:auto}footer{border-top:1px solid var(--border);text-align:center;color:var(--text-muted);margin-top:3rem;padding:2rem 0;font-size:.8rem}