/* Auth Forms CSS - Модерен дизайн за формите за вход и регистрация */

/* Основни променливи за цветове и стилове */
:root {
  --auth-primary-color: #2563eb;
  --auth-primary-hover: #1d4ed8;
  --auth-secondary-color: #64748b;
  --auth-success-color: #059669;
  --auth-error-color: #dc2626;
  --auth-background: #ffffff;
  --auth-surface: #f8fafc;
  --auth-border: #e2e8f0;
  --auth-border-focus: #3b82f6;
  --auth-text-primary: #1e293b;
  --auth-text-secondary: #64748b;
  --auth-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --auth-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --auth-radius: 8px;
  --auth-radius-lg: 12px;
  --auth-spacing-xs: 0.5rem;
  --auth-spacing-sm: 0.75rem;
  --auth-spacing-md: 1rem;
  --auth-spacing-lg: 1.5rem;
  --auth-spacing-xl: 2rem;
}

/* Панели за автентикация */
.auth-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 10px;
  box-sizing: border-box;
}

.auth-panel.active {
  opacity: 1;
  visibility: visible;
}

.auth-panel .container {
  background: var(--auth-background);
  border-radius: var(--auth-radius-lg);
  box-shadow: var(--auth-shadow-lg);
  padding: var(--auth-spacing-xl);
  width: 100%;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-sizing: border-box;
}

.auth-panel.active .container {
  transform: translateY(0) scale(1);
}

/* Заглавия на формите */
.auth-panel h3 {
  color: var(--auth-text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 var(--auth-spacing-lg) 0;
  text-align: center;
}

/* Форми */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--auth-spacing-md);
}

.auth-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--auth-spacing-md);
}

@media (max-width: 768px) {
  .auth-form-row {
    grid-template-columns: 1fr;
  }
}

/* Групи полета */
.auth-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--auth-spacing-xs);
}

.auth-form-group label {
  color: var(--auth-text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--auth-spacing-xs);
}

.auth-form-group label.required::after {
  content: ' *';
  color: var(--auth-error-color);
}

/* Полета за въвеждане */
.auth-input {
  width: 100%;
  min-width: 0;
  padding: var(--auth-spacing-sm) var(--auth-spacing-md);
  border: 2px solid var(--auth-border);
  border-radius: var(--auth-radius);
  font-size: 0.875rem;
  color: var(--auth-text-primary);
  background: var(--auth-background);
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.auth-input:focus {
  outline: none;
  border-color: var(--auth-border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Премахнато червено оцветяване на невалидни полета */

.auth-input::placeholder {
  color: var(--auth-text-secondary);
}

/* Select полета */
.auth-select {
  width: 100%;
  min-width: 0;
  padding: var(--auth-spacing-sm) var(--auth-spacing-md);
  border: 2px solid var(--auth-border);
  border-radius: var(--auth-radius);
  font-size: 0.875rem;
  color: var(--auth-text-primary);
  background: var(--auth-background);
  transition: all 0.2s ease;
  box-sizing: border-box;
  cursor: pointer;
}

.auth-select:focus {
  outline: none;
  border-color: var(--auth-border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Radio групи */
.auth-radio-group {
  display: flex;
  gap: var(--auth-spacing-lg);
  margin-top: var(--auth-spacing-xs);
}

.auth-radio-option {
  display: flex;
  align-items: center;
  gap: var(--auth-spacing-xs);
  cursor: pointer;
}

.auth-radio-option input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--auth-primary-color);
  cursor: pointer;
}

.auth-radio-option label {
  font-size: 0.875rem;
  color: var(--auth-text-primary);
  cursor: pointer;
  margin: 0;
}

/* Checkbox групи */
.auth-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--auth-spacing-sm);
  margin: var(--auth-spacing-md) 0;
}

.auth-checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--auth-primary-color);
  cursor: pointer;
  margin-top: 2px;
  flex-shrink: 0;
}

.auth-checkbox-group label {
  font-size: 0.875rem;
  color: var(--auth-text-primary);
  cursor: pointer;
  margin: 0;
  line-height: 1.4;
}

.auth-checkbox-group a {
  color: var(--auth-primary-color);
  text-decoration: none;
}

.auth-checkbox-group a:hover {
  text-decoration: underline;
}

/* Бутони */
.auth-btn {
  padding: var(--auth-spacing-sm) var(--auth-spacing-lg);
  border: none;
  border-radius: var(--auth-radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--auth-spacing-xs);
  min-height: 44px;
  box-sizing: border-box;
}

.auth-btn-primary {
  background: var(--auth-primary-color);
  color: white;
}

.auth-btn-primary:hover:not(:disabled) {
  background: var(--auth-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--auth-shadow);
}

.auth-btn-secondary {
  background: var(--auth-surface);
  color: var(--auth-text-primary);
  border: 2px solid var(--auth-border);
}

.auth-btn-secondary:hover:not(:disabled) {
  background: var(--auth-border);
  transform: translateY(-1px);
}

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

/* Ред за изпращане */
.auth-submit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--auth-spacing-lg);
  gap: var(--auth-spacing-md);
}

@media (max-width: 480px) {
  .auth-submit-row {
    flex-direction: column;
    align-items: stretch;
  }
}

.auth-submit-row a {
  color: var(--auth-primary-color);
  text-decoration: none;
  font-size: 0.875rem;
}

.auth-submit-row a:hover {
  text-decoration: underline;
}

/* Съобщения за грешки и успех */
.auth-message {
  padding: var(--auth-spacing-sm) var(--auth-spacing-md);
  border-radius: var(--auth-radius);
  font-size: 0.875rem;
  margin: var(--auth-spacing-md) 0;
  display: none;
}

.auth-message.error {
  background: #fef2f2;
  color: var(--auth-error-color);
  border: 1px solid #fecaca;
}

.auth-message.success {
  background: #f0fdf4;
  color: var(--auth-success-color);
  border: 1px solid #bbf7d0;
}

/* Бутон за затваряне */
.auth-close-btn {
  position: absolute;
  top: var(--auth-spacing-md);
  right: var(--auth-spacing-md);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--auth-text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.auth-close-btn:hover {
  background: var(--auth-surface);
  color: var(--auth-text-primary);
}

/* Адаптивен дизайн */
@media (max-width: 768px) {
  .auth-panel {
    padding: var(--auth-spacing-sm);
  }
  
  .auth-panel .container {
    padding: var(--auth-spacing-lg);
    max-width: 95vw !important;
    width: 95vw !important;
  }
  
  .auth-panel h3 {
    font-size: 1.25rem;
  }
  
  #loginPanel .container,
  #registerPanel .container {
    max-width: 95vw !important;
    width: 95vw !important;
  }
}

@media (max-width: 480px) {
  .auth-panel .container {
    padding: var(--auth-spacing-md);
    width: 98vw !important;
    max-width: 98vw !important;
  }
  
  .auth-radio-group {
    flex-direction: column;
    gap: var(--auth-spacing-sm);
  }
  
  .auth-form-row {
    grid-template-columns: 1fr;
    gap: var(--auth-spacing-sm);
  }
  
  #loginPanel .container,
  #registerPanel .container {
    max-width: 98vw !important;
    width: 98vw !important;
  }
}

/* Анимации за зареждане */
.auth-loading {
  position: relative;
  overflow: hidden;
}

.auth-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: auth-loading 1.5s infinite;
}

@keyframes auth-loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Специфични стилове за различните панели */
#loginPanel .container {
  max-width: min(400px, calc(100vw - 20px));
  width: min(400px, calc(100vw - 20px));
}

#registerPanel .container {
  max-width: min(600px, calc(100vw - 20px));
  width: min(600px, calc(100vw - 20px));
}

/* Допълнителни мобилни стилове */
@media (max-width: 600px) {
  #registerPanel .container {
    max-width: 95vw !important;
    width: 95vw !important;
    padding: var(--auth-spacing-md) !important;
  }
  
  #loginPanel .container {
    max-width: 95vw !important;
    width: 95vw !important;
    padding: var(--auth-spacing-md) !important;
  }
  
  .auth-input, .auth-select {
    font-size: 16px; /* Предотвратява zoom на iOS */
  }
}

/* Подобрения за достъпност */
.auth-input:focus-visible,
.auth-select:focus-visible,
.auth-btn:focus-visible {
  outline: 2px solid var(--auth-primary-color);
  outline-offset: 2px;
}

/* Скрол стилове за панелите */
.auth-panel .container::-webkit-scrollbar {
  width: 6px;
}

.auth-panel .container::-webkit-scrollbar-track {
  background: var(--auth-surface);
}

.auth-panel .container::-webkit-scrollbar-thumb {
  background: var(--auth-border);
  border-radius: 3px;
}

.auth-panel .container::-webkit-scrollbar-thumb:hover {
  background: var(--auth-text-secondary);
}