:root{--bg:#0b1220;--surface:#0f172a;--surface-2:#111827;--text:#e5e7eb;--muted:#9ca3af;--brand:#6366f1;--brand-2:#8b5cf6;--ring:rgba(99,102,241,.4);--danger:#ef4444}*{box-sizing:border-box}html,body{height:100%}body{background:radial-gradient(1200px 800px at 20% -10%,rgba(99,102,241,.25),transparent),radial-gradient(1000px 700px at 120% 10%,rgba(139,92,246,.25),transparent),var(--bg);color:var(--text);margin:0;font:16px/1.45 system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Helvetica,Arial,sans-serif}.wrap{grid-template-rows:1fr auto;place-items:center;min-height:100dvh;padding:48px 16px;display:grid}.card{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:linear-gradient(rgba(255,255,255,.04),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);border-radius:20px;width:100%;max-width:520px;padding:28px 24px;box-shadow:0 20px 60px rgba(0,0,0,.35)}.card-header{margin-bottom:18px}.card-header h1{letter-spacing:.3px;margin:0 0 6px;font-size:28px}.muted{color:var(--muted)}.center{text-align:center}.tiny{font-size:12px}.form{gap:14px;display:grid}.label{gap:6px;font-size:14px;display:grid}.input{background:var(--surface);width:100%;color:var(--text);border:1px solid rgba(255,255,255,.08);border-radius:12px;outline:none;padding:12px 14px;transition:border-color .15s,box-shadow .15s,transform 20ms}.input::placeholder{color:#6b7280}.input:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--ring)}.btn{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;letter-spacing:.2px;cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;width:100%;margin-top:6px;padding:12px 16px;font-weight:600;transition:transform 50ms,filter .2s,opacity .2s;display:inline-flex}.btn:hover{filter:brightness(1.05)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:not-allowed}.error{color:#fecaca;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);border-radius:10px;padding:10px 12px;font-size:14px}.footer{margin-top:18px}