/* PublishPath auth — ported from SpeechGradebook design-tokens + auth screen */

:root {
  --color-primary: #1e3a5f;
  --color-primary-dark: #142940;
  --color-accent: #e8a838;
  --color-accent-dark: #c98f20;
  --color-gray-100: #f5f6f8;
  --color-gray-200: #eceef2;
  --color-gray-300: #d1d5db;
  --color-gray-500: #6b7280;
  --color-gray-900: #111827;
  --color-error: #dc2626;
  --color-success: #2a9d6f;
  --color-info: #4a7c8f;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --radius-md: 8px;
  --radius-full: 9999px;
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);

  --primary: var(--color-primary);
  --primary-dark: var(--color-primary-dark);
  --accent: var(--color-accent);
  --text: var(--color-gray-900);
  --text-light: var(--color-gray-500);
  --card: #ffffff;
  --border: var(--color-gray-300);
  --error-bg: rgba(220, 38, 38, 0.08);
  --error-text: #991b1b;
  --error-border: var(--color-error);
  --success-bg: rgba(42, 157, 111, 0.12);
  --success-text: #1a6b46;
  --success-border: var(--color-success);
  --info-bg: rgba(74, 124, 143, 0.12);
  --info-text: #3a6070;
  --info-border: var(--color-info);
  --heading-font: var(--font-primary);
}

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

body.sgb-auth-page {
  margin: 0;
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  min-height: 100vh;
  min-height: 100dvh;
}

.hidden { display: none !important; }

.auth-screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.auth-card {
  background: var(--card);
  padding: 2.5rem 3rem;
  border-radius: 1rem;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  border: 2px solid var(--border);
}

.auth-card .auth-logo {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card .auth-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.auth-card h2 {
  font-family: var(--heading-font);
  color: var(--primary);
  margin: 0;
  font-size: 1.75rem;
  text-align: center;
}

.auth-card .auth-tagline {
  color: var(--text-light);
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
  text-align: center;
}

.auth-brand-tag {
  display: block;
  text-align: center;
  margin-bottom: 1rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
}

.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text);
  font-size: 0.9375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 1rem;
  background: white;
  color: var(--text);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.auth-divider {
  text-align: center;
  color: var(--text-light);
  margin: 1.25rem 0;
  font-size: 0.9rem;
}

.text-caption {
  font-size: 0.875rem;
  color: var(--text-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.icon-with-text {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
}

[data-lucide] {
  width: 1.1em;
  height: 1.1em;
  vertical-align: -0.2em;
}

#authLoadingOverlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
}

#authLoadingOverlay.hidden { display: none; }

.auth-loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 480px) {
  .auth-card { padding: 2rem 1.5rem; }
}