/* Premium Dark Theme Auth Styles */
:root {
  --bg-black: #000000;
  --card-bg: #0f0f0f;
  --card-hover: #151515;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --accent-blue: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #3b82f6, #1d4ed8);
  --border-glass: rgba(255, 255, 255, 0.08);
  --radius-card: 20px;
  --input-bg: rgba(255, 255, 255, 0.03);
  --error-color: #ff4757;
}

body.auth-page {
  background-color: var(--bg-black);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1.5rem;
}

.auth-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: slideUpFade 0.5s ease-out;
}

@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
}

.auth-subtitle {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.95rem;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
  border: none;
}

.btn-google {
  background: var(--text-primary);
  color: var(--bg-black);
  border: 1px solid transparent;
}

.btn-google:hover {
  background: #f1f1f1;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-glass);
}

.auth-divider span {
  padding: 0 10px;
}

.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.form-label {
  display: block;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.forgot-link {
  color: var(--accent-blue);
  font-size: 0.8rem;
  text-decoration: none;
}

.forgot-link:hover {
  text-decoration: underline;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--input-bg);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.3s ease;
  box-sizing: border-box;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.auth-footer-text {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.auth-footer-text a {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
}

.auth-footer-text a:hover {
  text-decoration: underline;
}

.auth-error {
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid var(--error-color);
  color: var(--error-color);
  padding: 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  text-align: left;
}

.auth-success {
  background: rgba(46, 213, 115, 0.1);
  border: 1px solid #2ed573;
  color: #2ed573;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  text-align: left;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

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

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