:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --border: #d1d5db;
  --page-bg: #f9fafb;
  --card-bg: #fff;
  /* REGZA brand green -- same values applied to Managed Login branding
     (terraform/environments/dev/main.tf branding_primary_color*). */
  --accent: #00442d;
  --accent-active: #00291b;
  --error-bg: #fef2f2;
  --error-fg: #b91c1c;
  --info-bg: #eff6ff;
  --info-fg: #1d4ed8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #f3f4f6;
    --muted: #9ca3af;
    --border: #374151;
    --page-bg: #111827;
    --card-bg: #1f2937;
    /* Brighter tints for contrast against a dark card, matching the
       Managed Login dark-mode accent colors. */
    --accent: #008c5d;
    --accent-active: #00b276;
    --error-bg: #451a1a;
    --error-fg: #fca5a5;
    --info-bg: #1e3a5f;
    --info-fg: #93c5fd;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--page-bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Segoe UI", Roboto, sans-serif;
}

.card {
  width: 100%;
  max-width: 400px;
  margin: 24px;
  padding: 32px;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
}

.brand-logo {
  text-align: center;
  margin-bottom: 24px;
}

.brand-logo img {
  max-width: 200px;
  max-height: 60px;
  width: auto;
  height: auto;
}

.brand-logo .logo-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .brand-logo .logo-light {
    display: none;
  }
  .brand-logo .logo-dark {
    display: inline;
  }
}

h1 {
  font-size: 20px;
  margin: 0 0 8px;
}

.lead {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 24px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

input[type="email"],
input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
}

input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button:not(:disabled):hover,
button:not(:disabled):active {
  background: var(--accent-active);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
  margin-top: 8px;
}

button.secondary:not(:disabled):hover,
button.secondary:not(:disabled):active {
  background: var(--accent);
  color: #fff;
}

.alt-action {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

button.link-button {
  width: auto;
  padding: 0;
  margin: 0 0 0 4px;
  display: inline;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  border: none;
  text-decoration: underline;
  cursor: pointer;
}

button.link-button:not(:disabled):hover,
button.link-button:not(:disabled):active {
  background: transparent;
  color: var(--accent-active);
}

.message {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  background: var(--error-bg);
  color: var(--error-fg);
}

.message.info {
  background: var(--info-bg);
  color: var(--info-fg);
}

.hidden {
  display: none;
}

.done-icon {
  font-size: 40px;
  text-align: center;
  margin-bottom: 8px;
}

.test-tools {
  width: 100%;
  max-width: 400px;
  margin: 0 24px 24px;
  padding: 16px;
  background: #fef9c3;
  border: 1px dashed #ca8a04;
  border-radius: 8px;
  font-size: 12px;
  color: #713f12;
}

@media (prefers-color-scheme: dark) {
  .test-tools {
    background: #3f3212;
    border-color: #ca8a04;
    color: #fde68a;
  }
}

.test-tools p {
  margin: 0 0 8px;
}

.test-tools button {
  width: auto;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--accent);
  background: transparent;
  border: 1px solid #ca8a04;
}

.test-tools button:not(:disabled):hover,
.test-tools button:not(:disabled):active {
  background: var(--accent);
  color: #fff;
}