/* Sign-in page. Kept visually close to the application's own palette. */
:root {
  --ink: #1f2733;
  --muted: #5b6675;
  --line: #d7dde5;
  --accent: #0a5ca8;
  --error: #a4262c;
  --warn-bg: #fff4e5;
  --warn-line: #d9a441;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #f3f5f8;
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

.card {
  width: 100%;
  max-width: 440px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  box-shadow: 0 2px 12px rgba(31, 39, 51, 0.08);
}

h1 { margin: 0 0 8px; font-size: 24px; }
.intro { margin: 0 0 24px; color: var(--muted); }

label { display: block; margin-top: 16px; font-weight: 600; }
.hint { margin: 2px 0 0; font-size: 13px; color: var(--muted); }

input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
  background: #fff;
  color: var(--ink);
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
input[readonly] { background: #f3f5f8; color: var(--muted); }

button {
  font: inherit;
  border-radius: 4px;
  cursor: pointer;
}
button[disabled] { opacity: 0.6; cursor: progress; }

.primary {
  width: 100%;
  margin-top: 24px;
  padding: 11px 16px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}
.primary:hover:not([disabled]) { background: #084c8c; }

.link {
  width: 100%;
  margin-top: 10px;
  padding: 8px;
  border: none;
  background: none;
  color: var(--accent);
  text-decoration: underline;
}

.status { margin: 16px 0 0; min-height: 1.5em; font-size: 14px; }
.status-error { color: var(--error); font-weight: 600; }
.status-info { color: var(--muted); }

footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}
footer p { margin: 0 0 10px; }

.warn {
  margin: 0;
  padding: 10px 12px;
  background: var(--warn-bg);
  border-left: 3px solid var(--warn-line);
  border-radius: 2px;
  color: var(--ink);
}