:root { --bg:#0f1115; --card:#1c2029; --line:#2a2f3a; --text:#e8eaef; --muted:#8b93a3; --accent:#fec009; color-scheme: dark; }
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: radial-gradient(120% 90% at 50% 20%, #2a2f3b 0%, #15181e 55%, #0c0e12 100%) fixed; color: var(--text); font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif; }
main { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 16px; }
form { width: 100%; max-width: 360px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px 24px; display: flex; flex-direction: column; gap: 14px; }
.head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.head img { width: 40px; height: 40px; }
h1 { font-size: 19px; margin: 0; }
.head p { margin: 0; color: var(--muted); font-size: 13px; }
label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 12.5px; }
input { font: inherit; color: var(--text); background: #12151b; border: 1px solid var(--line); border-radius: 9px; padding: 11px 12px; outline: none; }
input:focus { border-color: var(--accent); }
button { font: inherit; font-weight: 600; background: var(--accent); color: #1a1400; border: none; border-radius: 10px; padding: 12px; cursor: pointer; margin-top: 4px; }
button:disabled { opacity: .6; }
.err { color: #ff6b5b; font-size: 13px; min-height: 18px; margin: 0; }