/* ============================================
   FORMS.CSS - Form Styling & Authentication
   ============================================
   
   Contains:
   - Authentication forms (login/register)
   - Form inputs and buttons
   - Validation states
   - Form animations
*/

/* Authentication slide panel */
.auth-slide-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: 400px;
  height: 100vh;
  background: var(--bg-overlay);
  border-left: 3px solid var(--text-chapter);
  box-shadow: var(--shadow-floating);
  z-index: 1001;
  transition: right 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow-y: auto;
}

.auth-slide-panel.active {
  right: 0;
}

/* Authentication panel content */
.auth-panel-content {
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

/* Authentication panel header */
.auth-panel-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-panel-header h2 {
  color: var(--text-chapter);
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  font-family: "Suisse Intl Book", "Suisse Intl Book Placeholder", sans-serif;
  font-weight: 700;
}

.auth-panel-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Authentication toggle buttons */
.auth-toggle-buttons {
  display: flex;
  margin-bottom: 2rem;
  background: #f8f9fa;
  border-radius: 25px;
  padding: 0.3rem;
}

.auth-toggle-btn {
  flex: 1;
  padding: 0.8rem;
  border: none;
  background: transparent;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  color: var(--text-secondary);
}

.auth-toggle-btn.active {
  background: var(--text-chapter);
  color: white;
  box-shadow: var(--shadow-gentle);
}

.auth-toggle-btn:focus {
  outline: 2px solid var(--text-chapter);
  outline-offset: 2px;
}

/* Authentication forms */
.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
  animation: fadeInForm 0.3s ease-in-out;
}

/* Form groups */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

.form-group input {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-light);
  border-radius: 10px;
  font-size: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  transition: all 0.3s ease;
  box-sizing: border-box;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.form-group input:focus {
  outline: none;
  border-color: var(--text-chapter);
  box-shadow: var(--focus-ring);
  background: var(--bg-secondary);
}

.form-group input:valid {
  border-color: #10b981;
}

.form-group input:invalid:not(:focus):not(:placeholder-shown) {
  border-color: #ef4444;
}

/* Form validation states */
.form-group.error input {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.success input {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group .error-message {
  color: #ef4444;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: none;
}

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

/* Submit buttons */
.auth-submit-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, #9138e5 0%, #6bd6ff 100%);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.auth-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(145, 56, 229, 0.3);
}

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

.auth-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.auth-submit-btn.loading {
  color: transparent;
}

.auth-submit-btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

.auth-submit-btn:focus {
  outline: 2px solid #9138e5;
  outline-offset: 2px;
}

/* Close button */
.auth-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: #666;
  transition: all 0.3s ease;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-close-btn:hover {
  color: #9138e5;
  background: rgba(145, 56, 229, 0.05);
}

.auth-close-btn:focus {
  outline: 2px solid #9138e5;
  outline-offset: 2px;
}

/* Form check elements (for remember me, etc.) */
.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-check input[type="checkbox"] {
  width: auto;
  margin: 0;
  accent-color: #9138e5;
}

.form-check label {
  margin: 0;
  font-weight: 400;
  color: #667;
  cursor: pointer;
}

/* Additional form elements */
.form-text {
  font-size: 0.85rem;
  color: #667;
  margin-top: 0.5rem;
}

.form-link {
  color: #9138e5;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.form-link:hover {
  color: #7c3aed;
  text-decoration: underline;
}

/* Password strength indicator */
.password-strength {
  margin-top: 0.5rem;
  height: 4px;
  background: #e0e0e0;
  border-radius: 2px;
  overflow: hidden;
}

.password-strength-bar {
  height: 100%;
  background: #ef4444;
  width: 0%;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.password-strength-bar.weak {
  background: #ef4444;
  width: 33%;
}

.password-strength-bar.medium {
  background: #f59e0b;
  width: 66%;
}

.password-strength-bar.strong {
  background: #10b981;
  width: 100%;
}

/* Success messages */
.success-message {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  border: 1px solid #6ee7b7;
  border-radius: 8px;
  padding: 12px;
  margin: 8px 0;
  color: #047857;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.success-message i {
  color: #10b981;
}

/* Mobile responsiveness for forms */
@media (max-width: 768px) {
  .auth-slide-panel {
    width: 100%;
    right: -100%;
  }
  
  .auth-panel-content {
    padding: 1.5rem;
  }
  
  .auth-panel-header h2 {
    font-size: 2rem;
  }
  
  .form-group input {
    padding: 0.8rem;
    font-size: 0.95rem;
  }
  
  .auth-submit-btn {
    padding: 0.8rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .auth-panel-content {
    padding: 1rem;
  }
  
  .auth-toggle-buttons {
    margin-bottom: 1.5rem;
  }
  
  .auth-toggle-btn {
    padding: 0.6rem;
    font-size: 0.9rem;
  }
}

/* Form animations */
@keyframes fadeInForm {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Input focus animations */
.form-group input:focus {
  animation: inputFocus 0.3s ease-out;
}

@keyframes inputFocus {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}

/* ============================================
   LOGIN MODAL STYLES
   ============================================ */

.modal {
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  animation: modalFadeIn 0.3s ease-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  position: relative;
  background-color: var(--bg-primary);
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 12px;
  box-shadow: var(--shadow-floating);
  width: 90%;
  max-width: 450px;
  animation: modalSlideIn 0.3s ease-out;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-radius: 12px 12px 0 0;
}

.modal-header h2 {
  margin: 0;
  color: var(--text-chapter);
  font-size: 1.5rem;
  font-weight: 600;
}

.close-modal {
  color: var(--text-secondary);
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s ease;
  line-height: 1;
  padding: 0;
  background: none;
  border: none;
}

.close-modal:hover,
.close-modal:focus {
  color: var(--text-chapter);
  text-decoration: none;
}

.modal-body {
  padding: 2rem;
}

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

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

.modal-body .form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.2s ease;
}

.modal-body .form-control:focus {
  outline: none;
  border-color: var(--text-chapter);
  box-shadow: 0 0 0 3px rgba(var(--text-chapter-rgb), 0.1);
}

.modal-body .remember-label {
  display: inline;
  font-weight: normal;
  color: var(--text-secondary);
  white-space: nowrap;
  order: -1;
}

/* Ensure checkbox and label are properly aligned inline */
.modal-body .form-group input[type="checkbox"] {
  margin: 0;
  margin-left: 0.5rem;
  order: 1;
}

/* Flexbox wrapper for remember me row - label on left, checkbox on right */
.modal-body .form-group:has(input[type="checkbox"]) {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
}

.modal-body .form-group:has(input[type="checkbox"]) .remember-label {
  margin-left: 0;
}

.modal-body .form-actions {
  margin-top: 2rem;
}

.modal-body .btn {
  width: 100%;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--text-chapter) 0%, var(--accent-hover) 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-body .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(var(--text-chapter-rgb), 0.3);
}

.modal-footer {
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  margin-top: 1rem;
}

.modal-footer p {
  margin: 0;
  color: var(--text-secondary);
}

.modal-footer a {
  color: var(--text-chapter);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.modal-footer a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .modal-content {
    margin: 0;
    width: 95%;
    max-width: none;
  }
  
  .modal-header,
  .modal-body {
    padding: 1.5rem;
  }
  
  .modal-header h2 {
    font-size: 1.25rem;
  }
}

/* ============================================
   REGISTRATION PAGE STYLES
   ============================================ */

.register-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: 2rem 1rem;
}

.register-form-wrapper {
  background: var(--bg-primary);
  border-radius: 16px;
  box-shadow: var(--shadow-floating);
  padding: 2.5rem;
  width: 100%;
  max-width: 500px;
  border: 1px solid var(--border-color);
}

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

.register-header h2 {
  color: var(--text-chapter);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-family: "Suisse Intl Book", "Suisse Intl Book Placeholder", sans-serif;
}

.register-header p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin: 0;
}

.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.form-group.half-width {
  flex: 1;
  margin-bottom: 0;
}

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

.register-form-wrapper .form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.register-form-wrapper .form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

.register-form-wrapper .form-control:focus {
  outline: none;
  border-color: var(--text-chapter);
  box-shadow: 0 0 0 3px rgba(var(--text-chapter-rgb), 0.1);
  background-color: var(--bg-primary);
}

.register-form-wrapper .form-control::placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.form-actions {
  margin-top: 2rem;
}

.btn-register {
  width: 100%;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--text-chapter) 0%, var(--accent-hover) 100%);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
}

.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--text-chapter-rgb), 0.3);
}

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

.btn-register:focus {
  outline: 2px solid var(--text-chapter);
  outline-offset: 2px;
}

.register-footer {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.register-footer p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.login-link {
  color: var(--text-chapter);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.login-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Mobile responsiveness for registration */
@media (max-width: 768px) {
  .register-container {
    padding: 1rem;
  }
  
  .register-form-wrapper {
    padding: 2rem 1.5rem;
  }
  
  .register-header h2 {
    font-size: 1.75rem;
  }
  
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  
  .form-group.half-width {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 480px) {
  .register-form-wrapper {
    padding: 1.5rem 1rem;
  }
  
  .register-header h2 {
    font-size: 1.5rem;
  }
  
  .register-form-wrapper .form-control {
    padding: 0.75rem;
    font-size: 0.95rem;
  }
  
  .btn-register {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
  }
}