:root {
  --bg: #f4f1ec; --card: #fff; --ink: #1a1a1a; --sub: #6b6459; --accent: #8a6d3b; --line: #e2ddd3;
  /* spacing scale mirrored from assets/tokens.css — this page is deliberately decoupled
     from tokens.css (see login.html), so the scale is duplicated locally rather than linked. */
  --space-1: 4px; --space-3: 12px; --space-4: 16px; --space-5: 24px; --space-6: 32px; --space-7: 48px;
  --touch-min: 44px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #16130f; --card: #211d18; --ink: #f0ece4; --sub: #a89f90; --accent: #c9a86a; --line: #332d25; }
}
* { box-sizing: border-box; }
body { margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--ink); min-height: 100vh; display: grid; place-items: center; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: var(--space-7) var(--space-6);
  width: min(92vw, 380px); text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.12); }
.mark { width: 56px; height: 56px; border-radius: 14px; background: var(--accent); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 20px; letter-spacing: 1px; margin: 0 auto 18px; }
h1 { margin: 0 0 var(--space-1); font-size: 22px; }
.sub { margin: 0 0 var(--space-5); color: var(--sub); font-size: 14px; }
input, button { width: 100%; padding: var(--space-3) var(--space-4); min-height: var(--touch-min); border-radius: 10px; font-size: 15px; border: 1px solid var(--line); }
input { background: var(--bg); color: var(--ink); margin-bottom: var(--space-3); }
input:focus { outline: 2px solid var(--accent); border-color: transparent; }
button { background: var(--accent); color: #fff; border: none; font-weight: 600; cursor: pointer; }
button:hover { filter: brightness(1.06); }
.err { color: #c0392b; font-size: 13px; margin: var(--space-3) 0 0; }
.foot { margin: var(--space-5) 0 0; font-size: 11px; color: var(--sub); letter-spacing: .3px; }