:root{color-scheme:dark;--bg: #0B0F17;--panel: rgba(255,255,255,.06);--panel2: rgba(255,255,255,.08);--text: rgba(255,255,255,.92);--muted: rgba(255,255,255,.62);--accent: #FF8A3D;--border: rgba(255,255,255,.1);--shadow: 0 18px 50px rgba(0,0,0,.55);--radius: 18px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:radial-gradient(1200px 800px at 20% 10%,rgba(255,138,61,.1),transparent 60%),radial-gradient(900px 700px at 90% 20%,rgba(15,190,242,.1),transparent 55%),var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Apple Color Emoji","Segoe UI Emoji"}a{color:inherit;text-decoration:none}.app{min-height:100vh;display:flex;justify-content:center;padding:28px 16px 44px}.container{width:100%;max-width:1080px}.card{background:linear-gradient(180deg,var(--panel),rgba(255,255,255,.03));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.h1{font-size:28px;margin:0 0 6px;letter-spacing:-.02em}.p{margin:0 0 18px;color:var(--muted);line-height:1.45}.row{display:flex;gap:12px;flex-wrap:wrap}.btn{appearance:none;border:1px solid var(--border);background:var(--panel2);color:var(--text);padding:10px 14px;border-radius:999px;cursor:pointer;font-weight:600}.btn:hover{border-color:#ffffff2e}.btn.primary{border-color:#ff8a3d73;background:#ff8a3d29}