:root{--bg: #0a0f14;--surface: #16212c;--surface-alt: #1d2b3a;--border: #25374b;--text: #eef0f5;--text-muted: #a1a5b3;--accent: #56c138;--accent-2: #2082df;--error: #ff5c7a;--font-pixel: "Press Start 2P", ui-monospace, monospace;--header-height: 74px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:inherit;text-decoration:none}app-root{display:flex;flex-direction:column;min-height:100%}main{padding-top:var(--header-height);flex:1 0 auto}h1,h2,h3{margin-top:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.btn{display:inline-block;padding:10px 20px;border-radius:999px;border:none;font-weight:600;cursor:pointer;font-size:14px;text-align:center}.btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff}.btn-link{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-google{background:var(--surface-alt);color:var(--text);border:1px solid var(--border)}.btn-sm{padding:6px 14px;font-size:13px}.btn-lg{padding:16px 32px;font-size:16px}.btn:disabled{opacity:.5;cursor:default}