:root{--bg:#05030f;--bg-2:#0a0818;--violet:#9b30e0;--lavender:#c9a6ff;--pink:#e5479c;--text:#f2eefb;--muted:#8a80ae;--card:rgba(18,11,38,.6);--border:hsla(0,0%,100%,.1)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(95% 60% at 50% 4%,rgba(100,58,190,.18),transparent 60%),linear-gradient(180deg,var(--bg-2),var(--bg) 60%);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;min-height:100vh}a{color:var(--lavender)}.btn{border:none;border-radius:12px;padding:12px 18px;font-weight:600;font-size:15px;color:#fff;cursor:pointer;background:linear-gradient(125deg,var(--pink),var(--violet) 75%);box-shadow:0 12px 28px -14px rgba(155,48,224,.9);transition:transform .14s ease}.btn:hover{transform:translateY(-2px)}.btn:disabled{opacity:.5;cursor:default;transform:none}.btn.ghost{box-shadow:none}.btn.ghost,.card{background:var(--card);border:1px solid var(--border)}.card{border-radius:16px;padding:18px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}