:root{--bg:#0f0f1a;--surface:#1a1a2e;--border:#2d2d44;--text:#e0e0e0;--text-muted:#8888aa;--accent:#4ecdc4;--danger:#ff6b6b;--warning:#ffd93d;--success:#6bcb77}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--surface);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:100}.nav-brand{font-size:1.25rem;font-weight:700;color:var(--accent)}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:var(--text-muted);text-decoration:none;font-size:.875rem;transition:color .2s}.nav-links a:hover{color:var(--accent)}.main{max-width:960px;margin:0 auto;padding:2rem 1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1rem}.btn{background:var(--accent);color:var(--bg);border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;font-size:.875rem}.btn:disabled{opacity:.5;cursor:not-allowed}.badge{display:inline-block;padding:.25rem .75rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge-high{background:var(--success);color:var(--bg)}.badge-moderate{background:var(--warning);color:var(--bg)}.badge-low{background:var(--danger);color:white}.region-badge{font-size:.75rem;padding:.125rem .5rem;border-radius:4px;border:1px solid var(--border)}@media (max-width:640px){.nav-links{gap:.75rem;font-size:.75rem}.main{padding:1rem .75rem}}