:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--text: #f1f5f9;--muted: #94a3b8;--accent: #38bdf8;--accent-2: #22d3ee;--success: #4ade80;--warning: #fbbf24;--danger: #f87171;--radius: 12px;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:radial-gradient(ellipse at top,#1e3a5f 0%,var(--bg) 55%)}#root{min-height:100dvh}button,input,textarea,select{font:inherit}a{color:var(--accent)}.app-shell{max-width:720px;margin:0 auto;padding:1rem 1rem 5rem;min-height:100dvh}.card{background:color-mix(in srgb,var(--surface) 92%,transparent);border:1px solid var(--surface-2);border-radius:var(--radius);padding:1rem;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;border-radius:10px;padding:.65rem 1rem;font-weight:600;cursor:pointer;transition:transform .15s,opacity .15s}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0f172a}.btn-ghost{background:var(--surface-2);color:var(--text)}.btn-outline{background:transparent;border:1px solid var(--surface-2);color:var(--text)}.input,.textarea{width:100%;background:var(--bg);border:1px solid var(--surface-2);border-radius:10px;color:var(--text);padding:.75rem}.textarea{min-height:100px;resize:vertical}.badge{display:inline-block;font-size:.75rem;padding:.2rem .5rem;border-radius:999px;background:var(--surface-2);color:var(--muted)}.badge-high{background:color-mix(in srgb,var(--success) 25%,var(--surface));color:var(--success)}.nav-bottom{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;padding:.5rem 1rem calc(.5rem + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--bg) 85%,transparent);border-top:1px solid var(--surface-2);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.nav-bottom-inner{display:flex;gap:.25rem;max-width:720px;width:100%}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:.15rem;padding:.5rem;border-radius:10px;color:var(--muted);text-decoration:none;font-size:.7rem}.nav-item.active{color:var(--accent);background:var(--surface)}.offline-banner{background:var(--warning);color:#422006;text-align:center;padding:.35rem;font-size:.8rem;font-weight:600}