:root {
  color-scheme: light dark;
  --bg: #f4f3ef;
  --panel: #ffffff;
  --line: #e5e2d9;
  --ink: #1d1c1a;
  --ink-2: #57534a;
  --ink-3: #8b867a;
  --accent: #1f5f4a;
  --danger: #a3302a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151513; --panel: #1d1d1a; --line: #2f2e2a; --ink: #ecebe6; --ink-2: #b6b2a8; --ink-3: #85817a; --accent: #5fb08f; --danger: #e2786f; }
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: var(--bg); color: var(--ink);
  font: 15px/1.5 "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
}
.box {
  width: min(380px, 100%); background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 28px 26px 22px; box-shadow: 0 1px 2px rgba(20, 18, 12, .06);
}
.mark { width: 34px; height: 34px; border-radius: 9px; background: var(--accent) url("/favicon.svg") center / cover; margin-bottom: 14px; }
h1 { font: 600 22px/1.2 "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; margin: 0; letter-spacing: -.02em; }
.sub { margin: 2px 0 20px; color: var(--ink-3); font-size: 13px; }
form { display: grid; gap: 6px; }
label { font-size: 13px; font-weight: 600; margin-top: 8px; }
input {
  height: 38px; padding: 0 11px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink); font: inherit;
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
button {
  margin-top: 18px; height: 40px; border: 0; border-radius: 8px; background: var(--accent);
  color: #fff; font: inherit; font-weight: 600; cursor: pointer;
}
button:disabled { opacity: .6; cursor: default; }
.error { color: var(--danger); font-size: 13.5px; margin: 12px 0 0; }
.foot { color: var(--ink-3); font-size: 12px; margin: 18px 0 0; }