/* Public, non-sensitive styling for the login page only. */
:root {
  --bg: #f3f1fb; --bg-2: #e3f5f2; --surface: #ffffff; --text: #1b1733; --muted: #5d5878;
  --accent: #5b3fd6; --accent-2: #0b7369; --border: #d9d4ee; --input-border: #8a80b8; --on-accent: #ffffff; --error-bg: #fde8ec; --error: #8c1230;
  --notice-bg: #e6f6f4; --notice: #0b5d55;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #110e22; --bg-2: #0b2422; --surface: #1c1836; --text: #f1eefc; --muted: #b5afd3;
    --accent: #9d86ff; --accent-2: #43d1c1; --border: #352f5c; --input-border: #7a72b0; --on-accent: #160f33; --error-bg: #3a1220; --error: #ffb3c4;
    --notice-bg: #0f2f2c; --notice: #9de9df;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg) 0%, var(--bg-2) 100%);
  min-height: 100vh; display: grid; place-items: center; padding: 24px 16px;
}
.login {
  width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; padding: 28px 24px; box-shadow: 0 10px 40px rgba(40, 20, 120, .12);
}
.login__brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; }
.login h1 { font-size: 1.5rem; margin: 18px 0 6px; }
.login__hint { color: var(--muted); margin: 0 0 18px; font-size: .95rem; line-height: 1.4; }
.login__error, .login__notice { border-radius: 10px; padding: 10px 12px; font-size: .95rem; margin: 0 0 14px; }
.login__error { background: var(--error-bg); color: var(--error); }
.login__notice { background: var(--notice-bg); color: var(--notice); }
.login__notice code { font-weight: 600; }
.login__form { display: grid; gap: 8px; }
.login__form label { font-weight: 600; font-size: .9rem; margin-top: 6px; }
.login__form input {
  font: inherit; font-size: 16px; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--input-border);
  background: transparent; color: var(--text); width: 100%;
}
.login__form input:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.login__form button {
  margin-top: 14px; font: inherit; font-weight: 700; padding: 13px; border: 0; border-radius: 12px;
  /* Label colour keeps ≥ 4.5:1 across the whole gradient in both palettes. */
  color: var(--on-accent); background: linear-gradient(120deg, var(--accent), var(--accent-2)); cursor: pointer;
  min-height: 46px;
}
.login__form button:focus-visible { outline: 3px solid var(--text); outline-offset: 2px; }