/* ============================================
   AUTHENTICATION PAGES STYLES
   ============================================ */

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  position: relative;
  overflow: hidden;
}

/* Animated Background */

.auth-container::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
  top: -200px;
  left: -200px;
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

.auth-container::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
  bottom: -200px;
  right: -200px;
  animation: float 10s ease-in-out infinite reverse;
  pointer-events: none;
}

/* Auth Card */

.auth-card {
  width: 100%;
  max-width: 450px;
  position: relative;
  z-index: 1;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.auth-header h1 {
  font-size: var(--font-4xl);
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-lg);
}

.auth-form {
  background: rgba(26, 31, 58, 0.7);
  backdrop-filter: blur(var(--blur-lg));
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: slide-up 0.6s ease-out forwards;
}

@media (max-width: 480px) {
  .auth-form {
    padding: var(--spacing-xl);
  }
}

/* Form Group */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input-icon {
  position: absolute;
  left: var(--spacing-md);
  color: var(--color-neon-blue);
  pointer-events: none;
}

.form-input-wrapper input {
  padding-left: 40px;
}

/* Input Animation */

.form-input-wrapper input:focus {
  padding-left: 40px;
}

input[type='text']:focus ~ .form-input-icon,
input[type='email']:focus ~ .form-input-icon,
input[type='password']:focus ~ .form-input-icon,
input[type='number']:focus ~ .form-input-icon {
  color: var(--color-neon-cyan);
}

/* Form Actions */

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-sm);
}

.form-actions a {
  color: var(--color-neon-blue);
  transition: color var(--transition-fast);
}

.form-actions a:hover {
  color: var(--color-neon-cyan);
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.checkbox-wrapper input[type='checkbox'] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-neon-blue);
}

.checkbox-wrapper label {
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: var(--font-sm);
}

/* Submit Button */

.auth-submit {
  width: 100%;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

/* Auth Links */

.auth-links {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-links p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.auth-links a {
  color: var(--color-neon-blue);
  font-weight: 600;
  transition: all var(--transition-fast);
  position: relative;
}

.auth-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-neon-blue);
  transition: width var(--transition-fast);
}

.auth-links a:hover::after {
  width: 100%;
}

/* Social Login */

.social-login {
  margin-top: var(--spacing-xl);
}

.social-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-tertiary);
}

.social-divider::before,
.social-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.social-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-sm);
  font-weight: 600;
  transition: all var(--transition-normal);
}

.social-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-neon-blue);
  color: var(--color-neon-blue);
  transform: translateY(-2px);
}

/* Error Message */

.error-message {
  padding: var(--spacing-md);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: #fca5a5;
  font-size: var(--font-sm);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  animation: slide-down 0.3s ease-out;
}

.error-message.hidden {
  display: none;
}

/* Success Message */

.success-message {
  padding: var(--spacing-md);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-md);
  color: #86efac;
  font-size: var(--font-sm);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  animation: slide-down 0.3s ease-out;
}

.success-message.hidden {
  display: none;
}

/* Loading State */

.loading-spinner {
  display: inline-block;
}

.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-left: var(--spacing-sm);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: rotate 0.6s linear infinite;
}

/* Input Focus Animation */

.form-group input:focus {
  box-shadow: 0 0 0 1px var(--color-neon-blue),
    0 0 12px rgba(0, 212, 255, 0.2);
}

/* Glow Border Animation */

.auth-form {
  position: relative;
}

.auth-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(168, 85, 247, 0), rgba(168, 85, 247, 0.1), rgba(168, 85, 247, 0));
  border-radius: var(--radius-xl);
  opacity: 0;
  animation: shimmer 3s infinite;
  pointer-events: none;
}

/* Password Strength Indicator */

.password-strength {
  margin-top: var(--spacing-sm);
  display: flex;
  gap: var(--spacing-xs);
  height: 4px;
}

.password-strength-bar {
  flex: 1;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  transition: background 0.3s ease;
}

.password-strength-bar.weak {
  background: #fca5a5;
}

.password-strength-bar.medium {
  background: #fbbf24;
}

.password-strength-bar.strong {
  background: #86efac;
}

.password-strength-text {
  font-size: var(--font-xs);
  margin-top: var(--spacing-xs);
  color: var(--color-text-tertiary);
}

.password-strength-text.weak {
  color: #fca5a5;
}

.password-strength-text.medium {
  color: #fbbf24;
}

.password-strength-text.strong {
  color: #86efac;
}

/* Responsive Design */

@media (max-width: 1024px) {
  .auth-card {
    max-width: 420px;
  }
}

@media (max-width: 768px) {
  .auth-container {
    padding: var(--spacing-md);
  }

  .auth-card {
    max-width: 95%;
    width: 100%;
  }

  .auth-form {
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
  }

  .auth-header {
    margin-bottom: var(--spacing-xl);
  }

  .auth-header h1 {
    font-size: var(--font-3xl);
  }

  .auth-header p {
    font-size: var(--font-base);
  }

  .form-group {
    margin-bottom: var(--spacing-md);
  }

  .form-input-wrapper input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 40px;
    font-size: var(--font-base);
    min-height: 44px;
  }

  .form-input-icon {
    left: var(--spacing-md);
  }

  .auth-submit {
    min-height: 48px;
    margin-top: var(--spacing-lg);
  }

  .social-buttons {
    grid-template-columns: 1fr;
  }

  .checkbox-wrapper {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .checkbox-wrapper label {
    font-size: var(--font-sm);
    word-break: break-word;
  }

  .form-actions {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .form-actions a {
    width: 100%;
    text-align: right;
  }
}

@media (max-width: 480px) {
  .auth-container {
    padding: var(--spacing-md);
    min-height: 100vh;
  }

  .auth-card {
    max-width: 100%;
    width: 100%;
  }

  .auth-form {
    padding: var(--spacing-lg);
  }

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

  .auth-header h1 {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
  }

  .auth-header p {
    font-size: var(--font-sm);
  }

  .form-group {
    margin-bottom: var(--spacing-md);
  }

  .form-input-wrapper input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 40px;
    font-size: 16px;
    min-height: 48px;
    -webkit-appearance: none;
    appearance: none;
  }

  .form-input-icon {
    left: var(--spacing-md);
  }

  .form-label {
    font-size: var(--font-sm);
  }

  .auth-submit {
    width: 100%;
    min-height: 48px;
    font-size: var(--font-base);
    margin-top: var(--spacing-md);
  }

  .auth-links {
    font-size: var(--font-sm);
  }

  .auth-links p {
    margin-bottom: var(--spacing-sm);
  }

  .password-strength {
    height: 3px;
  }

  .error-message,
  .success-message {
    font-size: var(--font-xs);
    padding: var(--spacing-md);
  }
}

@media (max-width: 375px) {
  .auth-form {
    padding: var(--spacing-md);
  }

  .auth-header h1 {
    font-size: clamp(1.25rem, 4.5vw, 1.875rem);
  }

  .form-input-wrapper input {
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 36px;
    font-size: 16px;
    min-height: 44px;
  }

  .form-input-icon {
    left: var(--spacing-sm);
    font-size: var(--font-lg);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-sm);
  }

  .social-buttons {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
}