/* Sign-in page. Same tokens as src/styles.css (kept in sync by hand; this page loads without the app bundle). */
:root {
  --bg: #f6f7f9; --surface: #ffffff; --surface-2: #f0f2f5; --border: #e3e6ea;
  --text: #1c2128; --text-2: #5b6470; --text-3: #8a929c;
  --accent: #2f6fde; --accent-soft: #e6eefc; --accent-text: #ffffff;
  --danger: #d4423a; --danger-soft: #fbe9e8;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 16px rgba(16, 24, 40, 0.06);
  --radius: 10px; --radius-sm: 6px;
  --font: 'Segoe UI Variable Text', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'Cascadia Code', Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c; --surface: #1b1f26; --surface-2: #232831; --border: #2e343e;
    --text: #e6e9ee; --text-2: #a7afba; --text-3: #7a828d;
    --accent: #6c9cf0; --accent-soft: #22324f; --accent-text: #0d1320;
    --danger: #f0716a; --danger-soft: #3f1d1b;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 var(--font); -webkit-font-smoothing: antialiased; }
.login { max-width: 380px; margin: 0 auto; padding: 12vh 16px 32px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; margin-bottom: 18px; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; background: var(--accent); color: var(--accent-text); display: grid; place-items: center; font-size: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; display: flex; flex-direction: column; gap: 8px; }
h1 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
.muted { color: var(--text-2); }
label { font-weight: 600; font-size: 13px; margin-top: 8px; }
input { font: inherit; color: inherit; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 10px; width: 100%; }
input:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn { font: inherit; display: inline-flex; justify-content: center; border: 1px solid var(--border); padding: 8px 12px; border-radius: var(--radius-sm); cursor: pointer; margin-top: 8px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn:disabled { opacity: .6; cursor: default; }
.error { background: var(--danger-soft); color: var(--danger); border-radius: var(--radius-sm); padding: 8px 10px; }
.hint { font-size: 12px; margin-top: 14px; text-align: center; overflow-wrap: anywhere; }
code { font-family: var(--mono); font-size: 12px; background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }