/* ===================================
   AUTHENTICATION PAGE STYLES
   =================================== */

.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
}

.auth-container {
  width: 100%;
  max-width: 500px;
  position: relative;
}

.auth-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.auth-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  text-decoration: none;
  display: block;
  margin-bottom: var(--space-sm);
}

.auth-subtitle {
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

/* Auth Tabs */
.auth-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  background: var(--color-bg);
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
}

.auth-tab {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.auth-tab:hover {
  color: var(--color-text);
  background: rgba(122, 15, 20, 0.05);
}

.auth-tab.active {
  background: var(--color-primary);
  color: #fff;
}

/* Auth Form Container */
.auth-form-container {
  display: none;
}

.auth-form-container.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Form Groups */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-input {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(122, 15, 20, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-light);
  opacity: 0.6;
}

.form-link {
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
  align-self: flex-end;
  margin-top: var(--space-xs);
  transition: color var(--transition-fast);
}

.form-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: var(--space-xs);
}

/* Auth Divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

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

/* Google Button */
.btn--google {
  background: #fff;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: 500;
}

.btn--google:hover {
  background: #f9f9f9;
  border-color: var(--color-text-light);
  box-shadow: var(--shadow-sm);
}

.btn--google svg {
  flex-shrink: 0;
}

/* Auth Footer */
.auth-footer {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: var(--space-md);
}

.auth-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.auth-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* Loading Overlay */
.auth-loading {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-lg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  z-index: 10;
}

.auth-loading.active {
  display: flex;
}

.auth-loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.auth-loading p {
  color: var(--color-text);
  font-size: 0.9375rem;
}

/* Auth Message */
.auth-message {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  display: none;
  z-index: 20;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-message.active {
  display: block;
}

.auth-message.success {
  background: rgba(15, 122, 62, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(15, 122, 62, 0.2);
}

.auth-message.error {
  background: rgba(122, 15, 20, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(122, 15, 20, 0.2);
}

/* Back Link */
.auth-back {
  text-align: center;
  margin-top: var(--space-xl);
}

.auth-back-link {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.auth-back-link:hover {
  color: var(--color-primary);
}

/* Responsive */
@media (max-width: 576px) {
  .auth-card {
    padding: var(--space-xl) var(--space-lg);
  }

  .auth-header {
    margin-bottom: var(--space-lg);
  }

  .auth-logo {
    font-size: 1.5rem;
  }
}