/* Sign-in page, as CGSS4's. Stands alone: it is served before authentication,
   so it depends on nothing behind the sign-in. */

:root {
  --accent: #ff0000;
  --accent-hover: #d90000;
  --accent-weak: rgba(255, 0, 0, 0.08);
  --text: #323232;
  --text-muted: #545454;
  --text-faint: #8a8a8a;
  --bg: #f6f7f8;
  --surface: #ffffff;
  --border: #e4e6e8;
  --border-strong: #d3d6d9;
  --danger: #a4161a;
  --danger-weak: #fbeaea;
  --radius-sm: 6px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background:
    radial-gradient(1100px 520px at 50% -12%, rgba(255, 0, 0, 0.07), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

.login-page { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
@media (max-width: 420px) { .login-page { padding: 16px; } }

.login-card {
  width: 100%; max-width: 384px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 1px 2px rgba(50,50,50,.05), 0 12px 32px rgba(50,50,50,.09);
  padding: 30px 30px 24px;
}
.login-brand { margin-bottom: 26px; display: flex; justify-content: center; }
.login-logo { width: 168px; max-width: 100%; height: auto; display: block; }
.login-title { font-size: 21px; font-weight: 700; letter-spacing: -.4px; margin: 0 0 18px; text-align: center; }

.login-field { margin-bottom: 15px; }
.login-field label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 5px; }
.login-field input {
  width: 100%; font: inherit; font-size: 14px; color: var(--text); padding: 10px 12px;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface);
}
.login-field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); }

.login-button {
  width: 100%; margin-top: 8px; padding: 11px 14px; border: 0; border-radius: var(--radius-sm);
  background: var(--accent); color: #fff; font: inherit; font-size: 14px; font-weight: 650; cursor: pointer;
}
.login-button:hover { background: var(--accent-hover); }
.login-button:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }

.login-alert {
  margin-bottom: 16px; padding: 10px 12px;
  border: 1px solid var(--danger); border-left-width: 3px;
  background: var(--danger-weak); border-radius: var(--radius-sm);
  color: var(--danger); font-size: 12.5px; line-height: 1.45;
}
.login-foot { margin: 20px 0 0; text-align: center; font-size: 11.5px; color: var(--text-faint); line-height: 1.5; }