:root { color-scheme: light; --page: #f9f9f7; --surface: #fcfcfb; --ink: #0b0b0b; --ink-2: #52514e; --muted: #898781; --border: rgba(11,11,11,0.14); --accent: #2a78d6; --down: #d03b3b; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { color-scheme: dark; --page: #0d0d0d; --surface: #1a1a19; --ink: #f0efec; --ink-2: #c3c2b7; --border: rgba(255,255,255,0.14); --accent: #3987e5; --down: #e66767; } }
:root[data-theme="dark"] { color-scheme: dark; --page: #0d0d0d; --surface: #1a1a19; --ink: #f0efec; --ink-2: #c3c2b7; --border: rgba(255,255,255,0.14); --accent: #3987e5; --down: #e66767; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); min-height: 100vh; display: grid; place-items: center; padding: 16px; }
form { width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 28px 24px; }
h1 { font-size: 18px; margin: 0 0 4px; }
.sub { color: var(--ink-2); margin: 0 0 20px; font-size: 14px; }
label { display: block; font-size: 13px; font-weight: 500; margin: 12px 0 6px; }
input { width: 100%; font: inherit; color: inherit; background: var(--page); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button { width: 100%; margin-top: 8px; font: inherit; font-weight: 600; color: #fff; background: var(--accent); border: 0; border-radius: 8px; padding: 11px; cursor: pointer; }
button:disabled { opacity: 0.6; cursor: default; }
#msg { color: var(--down); font-size: 13px; min-height: 18px; margin: 10px 0 0; }
.help { color: var(--muted); font-size: 12.5px; margin: 14px 0 0; text-align: center; }