:root{--bg-dark:#0a0a0c;--surface:#ffffff0d;--surface-hover:#ffffff1a;--primary:#3b82f6;--primary-hover:#2563eb;--danger:#ef4444;--text-main:#f3f4f6;--text-dim:#9ca3af;--glass-border:#ffffff1a;--radius:12px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);flex-direction:column;height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;display:flex;overflow:hidden}#landing-screen{background:radial-gradient(circle at 100% 0,#3b82f61a,#0000 40%),radial-gradient(circle at 0 100%,#3b82f60d,#0000 40%);flex:1;justify-content:center;align-items:center;display:flex}.join-card{background:var(--surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);text-align:center;border-radius:20px;width:100%;max-width:400px;padding:2.5rem;animation:.5s ease-out fadeIn;box-shadow:0 10px 40px #0000004d}@keyframes 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