:root { color-scheme: light; --page: #f9f9f7; --surface: #fcfcfb; --text: #0b0b0b; --text-2: #52514e; --border: rgba(11,11,11,.12); --accent: #2a78d6; --err: #b02a2a; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
@media (prefers-color-scheme: dark) { :root { color-scheme: dark; --page: #0d0d0d; --surface: #1a1a19; --text: #f0efec; --text-2: #c3c2b7; --border: rgba(255,255,255,.12); --accent: #3987e5; --err: #e66767; } }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: var(--page); color: var(--text); padding: 16px; }
.login { width: 100%; max-width: 340px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 28px; display: flex; flex-direction: column; gap: 10px; }
h1 { font-size: 20px; margin: 0 0 8px; }
label { font-size: 13px; color: var(--text-2); }
input { font: inherit; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--border); background: var(--page); color: var(--text); }
button { font: inherit; padding: 9px; border-radius: 8px; border: 0; background: var(--accent); color: #fff; cursor: pointer; margin-top: 6px; }
.err { color: var(--err); font-size: 13px; margin: 0; }