/* Tokens and the sign-in card copied from NoteMind (frontend/src/index.css), so both pages look the same. */
:root {
  color-scheme: light;
  --bg: #f7f7fa;
  --surface: #ffffff;
  --ink: #292938;
  --text: #4a4959;
  --muted: #7b798a;
  --faint: #9699a1;
  --line: #e8e6ee;
  --line-strong: #d8d4e2;
  --hover: #f1eff6;
  --accent: #6d5aab;
  --accent-hover: #5c4898;
  --accent-ink: #68549f;
  --accent-soft: #efebf8;
  --on-accent: #ffffff;
  --danger: #b83a4b;
  --danger-bg: #fbebed;
  --success: #2d7a55;
  --input-bg: #ffffff;
  --shadow-rgb: 24, 26, 32;
  --shadow-sm: 0 1px 2px rgba(var(--shadow-rgb), .05), 0 1px 3px rgba(var(--shadow-rgb), .04);
  --shadow-pop: 0 4px 10px rgba(var(--shadow-rgb), .06), 0 16px 40px rgba(var(--shadow-rgb), .14);
  font-family: Inter, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #151517;
    --surface: #1d1d20;
    --ink: #f1f1f3;
    --text: #d6d6dc;
    --muted: #a2a2ad;
    --faint: #7c7c88;
    --line: #2c2c32;
    --line-strong: #404048;
    --hover: #28282e;
    --accent: #baa9e4;
    --accent-hover: #c8b9ed;
    --accent-ink: #c0afe9;
    --accent-soft: #30283f;
    --on-accent: #142540;
    --danger: #f0848f;
    --danger-bg: #33191d;
    --success: #7fcca3;
    --input-bg: #18181b;
    --shadow-rgb: 0, 0, 0;
  }
}
html, body { height: 100%; margin: 0; }
body { background: var(--bg); }
[hidden] { display: none !important; }
button {
  font: inherit; font-size: 13px; font-weight: 500; color: var(--text);
  border: 1px solid var(--line-strong); background: var(--surface);
  border-radius: 8px; padding: 5px 11px; min-height: 30px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .12s, border-color .12s, color .12s, box-shadow .12s;
}
button:disabled { opacity: .6; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); box-shadow: 0 1px 2px rgba(var(--shadow-rgb), .12); }
button.primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.login { min-height: 100%; display: grid; place-items: center; padding: 24px 16px; box-sizing: border-box; background: var(--bg); }
.login-card { width: min(400px, 100%); box-sizing: border-box; display: flex; flex-direction: column; gap: 12px; padding: 28px 28px 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-pop); }
.login-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--ink); }
.login-card h1 { margin: 4px 0 0; font-size: 22px; color: var(--ink); }
.login-note { margin: 0; font-size: 13px; color: var(--danger); }
.login-note.ok { color: var(--success); }
.login-tabs { display: flex; gap: 2px; padding: 3px; background: var(--hover); border-radius: 10px; }
.login-tabs button { flex: 1; justify-content: center; border: 0; background: transparent; color: var(--muted); }
.login-tabs button.on { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: var(--shadow-sm); }
.login-card label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.login-card input { width: 100%; box-sizing: border-box; border: 1px solid var(--line-strong); border-radius: 10px; padding: 9px 10px; outline: none; background: var(--input-bg); color: var(--ink); font: inherit; font-size: 15px; }
.login-card input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.login-submit { justify-content: center; min-height: 40px; margin-top: 4px; }
.login-foot { margin: 2px 0 0; font-size: 12px; color: var(--faint); line-height: 1.5; }
.error { margin: 0; padding: 8px 10px; border-radius: 8px; background: var(--danger-bg); color: var(--danger); font-size: 13px; }
.who { margin: 0; color: var(--ink); font-size: 15px; overflow-wrap: anywhere; }
.sites { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sites a { display: block; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--accent-ink); font-weight: 600; text-decoration: none; text-align: center; }
.sites a:hover { background: var(--accent-soft); border-color: var(--accent-soft); }