:root{--bg:#0a0a0a;--panel:#121212;--panel-muted:#1a1a1a;--border:#2a2a2a;--text:#e5e7eb;--text-muted:#9ca3af;--accent:#3b82f6;--accent-strong:#2563eb;--accent-teal:#0b6a6a;--accent-teal-dark:#084d4d;--radius:8px;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:2.5rem;--spacing-3xl:3rem;--font-family:"Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--transition-fast:.2s ease;--transition-base:.3s ease}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background-color:var(--bg);color:var(--text);margin:0;font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif}a{color:var(--text-muted);text-decoration:none;transition:color .2s,background-color .2s}a:hover{color:#fff}img{max-width:100%;height:auto}.card{background-color:var(--panel-muted);border:1px solid var(--border);color:var(--text)}.btn-primary{background-color:var(--accent);border-color:var(--accent)}.btn-primary:hover{background-color:var(--accent-strong);border-color:var(--accent-strong)}.btn-dark{background-color:var(--panel);border-color:var(--panel)}.btn-dark:hover{background-color:#1f2937;border-color:#1f2937}.invalid{border-color:#ef4444!important}.skip-link{z-index:9999;width:1px;height:1px;position:absolute;top:auto;left:-9999px;overflow:hidden}.skip-link:focus{background:var(--accent);color:#fff;width:auto;height:auto;font-weight:var(--font-weight-semibold);border-radius:var(--radius);outline-offset:2px;outline:2px solid #fff;padding:.5rem 1rem;text-decoration:none;position:fixed;top:1rem;left:1rem}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}