@import url('./z-index-variables.css');

/* Authentication Page Styles */
.auth-page {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.auth-container {
  background: var(--bg-primary);
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  position: relative;
}

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

.auth-header h1 {
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
  font-size: 1.8rem;
  font-weight: 600;
}

.auth-header p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.9rem;
}

/* Form Styles */
.auth-form {
  display: none;
}

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

.auth-form h2 {
  color: var(--text-primary);
  margin: 0 0 1.5rem 0;
  font-size: 1.4rem;
  font-weight: 500;
  text-align: center;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-medium);
  border-radius: 6px;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus {
  outline: none;
  border-color: var(--interactive-focus);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input:invalid {
  border-color: var(--error-color);
}

.form-group small {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Button Styles */
.auth-btn {
  display: block;
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  text-decoration: none;
  text-align: center;
}

.auth-btn.primary {
  background: var(--interactive-default);
  color: var(--text-inverse);
}

.auth-btn.primary:hover {
  background: var(--interactive-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
}

.auth-btn.primary:active {
  transform: translateY(0);
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Form Footer */
.form-footer {
  text-align: center;
  margin-top: 1rem;
}

.form-footer p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.form-footer a {
  color: var(--interactive-default);
  text-decoration: none;
  font-weight: 500;
}

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

/* Loading Indicator */
.loading-indicator {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  z-index: var(--z-index-controls);
}

.loading-indicator.hidden {
  display: none;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-indicator p {
  color: var(--text-primary);
  font-weight: 500;
  margin: 0;
}

/* Messages */
.auth-messages {
  margin-top: 1rem;
}

.message {
  padding: 0.75rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.message.success {
  background: var(--success-light);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

.message.error {
  background: var(--error-light);
  color: var(--error-color);
  border: 1px solid var(--error-color);
}

.message.info {
  background: var(--info-light);
  color: var(--info-color);
  border: 1px solid var(--info-color);
}

/* Responsive Design */
@media (max-width: 480px) {
  .auth-container {
    margin: 1rem;
    padding: 1.5rem;
    max-width: none;
  }
  
  .auth-header h1 {
    font-size: 1.6rem;
  }
  
  .auth-form h2 {
    font-size: 1.3rem;
  }
}

/* Form Validation States */
.form-group.has-error input {
  border-color: var(--error-color);
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group.has-success input {
  border-color: var(--success-color);
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.form-group .error-message {
  color: #e74c3c;
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: block;
}

/* Animation for form transitions */
.auth-form {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.auth-form.active {
  opacity: 1;
  transform: translateY(0);
}

/* Form description text */
.form-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  text-align: center;
  line-height: 1.5;
}

/* Password Strength Indicator */
.password-strength {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.password-strength.weak {
  background: var(--error-light);
  color: var(--error-color);
  border: 1px solid var(--error-color);
}

.password-strength.medium {
  background: var(--warning-light);
  color: var(--warning-color);
  border: 1px solid var(--warning-color);
}

.password-strength.strong {
  background: var(--success-light);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}