/* Form Styles for Authentication Pages */

/* Auth Container */
.auth-container {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  position: relative;
}

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

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

/* Auth Welcome Section */
.auth-welcome {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.auth-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  box-shadow: var(--shadow-md);
  animation: pulse 2s infinite;
}

.auth-avatar .avatar-emoji {
  font-size: var(--font-size-2xl);
}

.auth-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  font-weight: 400;
}

/* Form Styles */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.label-icon {
  font-size: var(--font-size-base);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-color-light);
  background: var(--bg-card);
}

.form-input:invalid:not(:focus):not(:placeholder-shown) {
  border-color: var(--error-color);
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* Password Input Wrapper */
.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-md);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.password-toggle:hover {
  background: var(--bg-overlay);
}

.toggle-icon {
  font-size: var(--font-size-base);
  opacity: 0.7;
}

/* Form Error Messages */
.form-error {
  font-size: var(--font-size-xs);
  color: var(--error-color);
  display: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--error-bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--error-color);
}

.form-error.show {
  display: block;
  animation: slideDown 0.3s ease-out;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
}

/* Password Strength Indicator */
.password-strength {
  display: none;
}

.password-strength.show {
  display: block;
  animation: slideDown 0.3s ease-out;
}

.strength-bar {
  width: 100%;
  height: 4px;
  background: var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.strength-fill {
  height: 100%;
  width: 0%;
  transition: all var(--transition-base);
  border-radius: var(--radius-sm);
}

.strength-fill.weak {
  width: 25%;
  background: var(--error-color);
}

.strength-fill.fair {
  width: 50%;
  background: var(--warning-color);
}

.strength-fill.good {
  width: 75%;
  background: var(--info-color);
}

.strength-fill.strong {
  width: 100%;
  background: var(--success-color);
}

.strength-text {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

/* Form Options */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* Checkbox Styles */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.checkbox-wrapper input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  position: relative;
  transition: all var(--transition-base);
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.checkbox-label {
  flex: 1;
}

/* Links */
.forgot-password {
  color: var(--primary-color);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}

.forgot-password:hover {
  text-decoration: underline;
  color: var(--secondary-color);
}

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

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

/* Buttons */
.btn-primary {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-icon {
  font-size: var(--font-size-lg);
}

.btn-text {
  flex: 1;
}

.btn-loading {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.btn-loading.show {
  display: block;
}

.btn-loading.show ~ .btn-icon,
.btn-loading.show ~ .btn-text {
  opacity: 0;
}

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

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

/* Form Divider */
.form-divider {
  position: relative;
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.form-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-color);
}

.form-divider span {
  background: var(--bg-card);
  padding: 0 var(--spacing-md);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* Auth Links */
.auth-links {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

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

/* Back Button */
.back-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}

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

.back-icon {
  font-size: var(--font-size-lg);
}

.page-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
}

/* Decorative Elements */
.auth-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.floating-element {
  position: absolute;
  font-size: var(--font-size-lg);
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
  animation-delay: var(--delay);
}

.floating-element:nth-child(1) { top: 10%; left: 10%; }
.floating-element:nth-child(2) { top: 20%; right: 15%; }
.floating-element:nth-child(3) { top: 60%; left: 5%; }
.floating-element:nth-child(4) { bottom: 30%; right: 10%; }
.floating-element:nth-child(5) { bottom: 10%; left: 20%; }
.floating-element:nth-child(6) { top: 40%; right: 5%; }

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .auth-container {
    padding: var(--spacing-md);
  }
  
  .auth-card {
    padding: var(--spacing-xl);
  }
  
  .form-options {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .checkbox-wrapper {
    align-self: stretch;
  }
}

@media (max-width: 480px) {
  .auth-card {
    padding: var(--spacing-lg);
  }
  
  .auth-title {
    font-size: var(--font-size-xl);
  }
  
  .floating-element {
    display: none;
  }
}