/**
 * COMPONENTS CSS - Academia de Idiomas
 * Componentes reutilizables: botones, cards, forms, navbar, etc.
 */

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: var(--border-width-medium) solid transparent;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Variantes de botones */
.btn--primary {
  background-color: var(--color-primary-600);
  color: var(--text-on-primary);
  border-color: var(--color-primary-600);
}

.btn--primary:hover:not(:disabled) {
  background-color: var(--color-primary-700);
  border-color: var(--color-primary-700);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary-600);
  border-color: var(--color-primary-600);
}

.btn--secondary:hover:not(:disabled) {
  background-color: var(--color-primary-50);
  transform: scale(1.05);
}

.btn--accent {
  background-color: var(--color-accent-600);
  color: var(--text-on-primary);
  border-color: var(--color-accent-600);
}

.btn--accent:hover:not(:disabled) {
  background-color: var(--color-accent-700);
  border-color: var(--color-accent-700);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background-color: transparent;
  color: var(--text-primary);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background-color: var(--bg-tertiary);
  transform: scale(1.05);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--text-light);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline-light:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.05);
}

/* Tamaños de botones */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn--full {
  width: 100%;
}

.btn--success {
  background-color: var(--color-success, #10b981) !important;
  color: white !important;
  border-color: var(--color-success, #10b981) !important;
}

.btn--error {
  background-color: var(--color-error, #ef4444) !important;
  color: white !important;
  border-color: var(--color-error, #ef4444) !important;
}

/* ========== CARDS ========== */
.card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card__content {
  padding: var(--space-6);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.card__description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.card__footer {
  padding: var(--space-4) var(--space-6);
  border-top: var(--border-width-thin) solid var(--color-neutral-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Card horizontal */
.card--horizontal {
  display: flex;
  flex-direction: row;
}

.card--horizontal .card__image {
  width: 40%;
  height: auto;
}

/* ========== FORMS ========== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-accent-500);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: var(--border-width-thin) solid var(--color-neutral-300);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

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

.form-input--error,
.form-select--error,
.form-textarea--error {
  border-color: var(--color-error);
}

.form-input--error:focus,
.form-select--error:focus,
.form-textarea--error:focus {
  box-shadow: 0 0 0 3px var(--color-error-light);
}

.form-error {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.form-hint {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Checkbox y Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check__input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.form-check__label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast);
}

.navbar--scrolled {
  box-shadow: var(--shadow-md);
}

.navbar__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  width: 180px;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--color-primary-600);
}

.navbar__link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary-600);
  border-radius: var(--radius-full);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Bloquear TEMPORALMENTE el menú y acciones en móvil de inicio de sesión y resgistro */
.navbar__actions,
.navbar__mobile-menu .mt-4 {
  visibility: hidden;
}

/* Mobile menu toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.navbar__toggle-bar {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
  border-radius: var(--radius-full);
}

.navbar__toggle--active .navbar__toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__toggle--active .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar__toggle--active .navbar__toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.navbar__mobile-menu {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background-color: var(--bg-primary);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  gap: var(--space-4);
}

.navbar__mobile-menu--open {
  display: flex;
}

/* ========== ALERTS ========== */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
}

.alert--success {
  background-color: var(--color-success-light);
  color: var(--color-success);
  border: var(--border-width-thin) solid var(--color-success);
}

.alert--error {
  background-color: var(--color-error-light);
  color: var(--color-error);
  border: var(--border-width-thin) solid var(--color-error);
}

.alert--warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
  border: var(--border-width-thin) solid var(--color-warning);
}

.alert--info {
  background-color: var(--color-info-light);
  color: var(--color-info);
  border: var(--border-width-thin) solid var(--color-info);
}

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
}

.badge--primary {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

.badge--accent {
  background-color: var(--color-accent-100);
  color: var(--color-accent-700);
}

.badge--success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.badge--neutral {
  background-color: var(--color-neutral-200);
  color: var(--color-neutral-700);
}

/* ========== TABS ========== */
.tabs {
  display: flex;
  gap: var(--space-2);
  border-bottom: var(--border-width-thin) solid var(--color-neutral-200);
  margin-bottom: var(--space-6);
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  border-bottom: var(--border-width-medium) solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.tab:hover {
  color: var(--text-primary);
}

.tab--active {
  color: var(--color-primary-600);
  border-bottom-color: var(--color-primary-600);
}

/* ========== MODAL ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay--open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay--open .modal {
  transform: scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: var(--border-width-thin) solid var(--color-neutral-200);
}

.modal__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal__body {
  padding: var(--space-6);
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: var(--border-width-thin) solid var(--color-neutral-200);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .navbar__menu,
  .navbar__actions {
    display: none;
  }
  
  .navbar__toggle {
    display: flex;
  }
  
  .card--horizontal {
    flex-direction: column;
  }
  
  .card--horizontal .card__image {
    width: 100%;
    height: 200px;
  }
  
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}