:root { color-scheme: light dark; --page: #f9f9f7; --surface: #fcfcfb; --ink: #0b0b0b; --ink-2: #52514e; --line: #e1e0d9; --err: #b42323; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
@media (prefers-color-scheme: dark) { :root { --page: #0d0d0d; --surface: #1a1a19; --ink: #f0efec; --ink-2: #c3c2b7; --line: #2c2c2a; --err: #e66767; } }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: var(--page); color: var(--ink); padding: 16px; }
.card { width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 28px 24px; }
h1 { font-size: 20px; margin: 0; }
.sub { color: var(--ink-2); margin: 4px 0 20px; }
label { display: block; font-size: 14px; color: var(--ink-2); margin-bottom: 6px; }
input[type=password] { width: 100%; font: inherit; font-size: 16px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--page); color: var(--ink); }
button { margin-top: 14px; width: 100%; font: inherit; font-size: 16px; font-weight: 600; padding: 11px; border: 0; border-radius: 10px; background: var(--ink); color: var(--page); cursor: pointer; }
.err { color: var(--err); font-size: 14px; margin: 10px 0 0; }
.note { color: var(--ink-2); font-size: 13px; margin: 16px 0 0; }