:root { color-scheme: dark; --violet: #7c5cff; --electric: #2d7aff; --chartreuse: #d4ff4f; }
* { box-sizing: border-box; }
body { background: radial-gradient(circle at 15% 10%, rgba(124,92,255,.2), transparent 32rem), radial-gradient(circle at 85% 90%, rgba(45,122,255,.14), transparent 28rem), #050308; color: #fcfcfe; font-family: 'Proxima Nova', Arial, sans-serif; margin: 0; min-height: 100vh; }
.login-shell { align-items: center; display: flex; flex-direction: column; gap: 34px; justify-content: center; min-height: 100vh; padding: 32px 20px; }
.brand img { display: block; height: 48px; }
.login-card { backdrop-filter: blur(24px); background: rgba(16,11,26,.82); border: 1px solid rgba(255,255,255,.12); border-radius: 24px; box-shadow: 0 30px 80px rgba(0,0,0,.45); max-width: 440px; padding: 42px; width: 100%; }
.eyebrow { color: var(--chartreuse); font-size: 11px; font-weight: 700; letter-spacing: .16em; margin: 0 0 14px; }
h1 { font-family: Poppins, sans-serif; font-size: clamp(34px,7vw,48px); letter-spacing: -.04em; line-height: 1; margin: 0 0 14px; }
.intro { color: #b9b5cb; margin: 0 0 28px; }
button, input { font: inherit; }
button { border: 0; border-radius: 999px; cursor: pointer; font-weight: 700; min-height: 48px; width: 100%; }
.google-button { background: #fcfcfe; color: #0a0712; }
.primary-button { background: linear-gradient(110deg,var(--violet),var(--electric)); color: white; margin-top: 10px; }
button:disabled { cursor: wait; opacity: .65; }
.divider { align-items: center; color: #7d7990; display: flex; font-size: 12px; gap: 12px; margin: 22px 0; }
.divider::before, .divider::after { background: rgba(255,255,255,.1); content: ''; height: 1px; width: 100%; }
form { display: grid; gap: 8px; }
label { color: #b9b5cb; font-size: 13px; font-weight: 600; }
input { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13); border-radius: 10px; color: white; margin-bottom: 9px; min-height: 48px; outline: none; padding: 0 14px; }
input:focus { border-color: var(--violet); }
.error { color: #ff8d97; font-size: 13px; min-height: 18px; }
.studio-link { color: #b9b5cb; display: block; font-size: 13px; text-align: center; }
@media (max-width: 520px) { .login-card { border-radius: 18px; padding: 30px 24px; } }