/* =========================================
   Component-Specific Styles
   Trip Frogger
   ========================================= */

/* ----- Loading Spinner ----- */
.tf-spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--tf-border);
  border-top-color: var(--tf-primary);
  border-radius: 50%;
  animation: tf-spin 0.8s linear infinite;
}

.tf-spinner--sm {
  width: 1.25rem;
  height: 1.25rem;
  border-width: 2px;
}

.tf-spinner--lg {
  width: 3rem;
  height: 3rem;
  border-width: 4px;
}

/* ----- Toast / Alert ----- */
.tf-toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  padding: 0.875rem 1.25rem;
  border-radius: var(--tf-radius-md);
  color: var(--tf-white);
  font-size: var(--tf-font-size-sm);
  font-weight: 500;
  box-shadow: var(--tf-shadow-lg);
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.tf-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.tf-toast--success {
  background-color: var(--tf-success);
}

.tf-toast--error {
  background-color: var(--tf-danger);
}

.tf-toast--warning {
  background-color: var(--tf-warning);
  color: var(--tf-text);
}

.tf-toast--info {
  background-color: var(--tf-primary);
}

/* ----- Empty State ----- */
.tf-empty-state {
  text-align: center;
  padding: var(--tf-space-2xl) var(--tf-space-xl);
}

.tf-empty-state__icon {
  font-size: 3.5rem;
  display: block;
  margin-bottom: var(--tf-space-md);
  color: var(--tf-primary-light);
}

.tf-empty-state__title {
  font-size: var(--tf-font-size-xl);
  color: var(--tf-primary-dark);
  font-weight: 600;
  margin-bottom: var(--tf-space-sm);
}

.tf-empty-state__description {
  color: var(--tf-text-light);
  font-size: var(--tf-font-size-md);
  max-width: 400px;
  margin: 0 auto var(--tf-space-lg);
}

/* ----- Trip Card ----- */
.tf-trip-card {
  background: var(--tf-white);
  border-radius: var(--tf-radius-lg);
  border: 1px solid var(--tf-border);
  box-shadow: var(--tf-shadow-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--tf-transition-fast), box-shadow var(--tf-transition-fast);
}

.tf-trip-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--tf-shadow-md);
}

.tf-trip-card__image {
  height: 160px;
  background: var(--tf-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tf-white);
}

.tf-trip-card__body {
  padding: var(--tf-space-lg);
}

.tf-trip-card__title {
  font-size: var(--tf-font-size-lg);
  font-weight: 600;
  color: var(--tf-primary-dark);
  margin: 0 0 var(--tf-space-sm);
}

.tf-trip-card__meta {
  font-size: var(--tf-font-size-sm);
  color: var(--tf-text-light);
}

/* ----- Offline Banner ----- */
.tf-offline-banner {
  background-color: var(--tf-warning);
  color: var(--tf-text);
  text-align: center;
  padding: var(--tf-space-sm) var(--tf-space-md);
  font-size: var(--tf-font-size-sm);
  font-weight: 500;
}

/* ----- Section Header ----- */
.tf-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--tf-space-lg);
}

.tf-section-header__title {
  font-size: var(--tf-font-size-2xl);
  color: var(--tf-primary-dark);
  font-weight: 700;
  margin: 0;
}

/* ----- Buttons ----- */
.tf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tf-space-sm);
  padding: 0.625rem 1.25rem;
  font-size: var(--tf-font-size-md);
  font-weight: 500;
  border-radius: var(--tf-radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--tf-transition-base);
  text-decoration: none;
}

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

.tf-btn--primary:hover {
  background-color: var(--tf-secondary);
}

.tf-btn--secondary {
  background-color: var(--tf-white);
  color: var(--tf-primary);
  border: 1px solid var(--tf-border);
}

.tf-btn--secondary:hover {
  border-color: var(--tf-primary);
}

.tf-btn--accent {
  background-color: var(--tf-secondary);
  color: var(--tf-white);
}

.tf-btn--accent:hover {
  background-color: var(--tf-primary);
}

/* ----- Avatar ----- */
.tf-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--tf-radius-full);
  background-color: var(--tf-secondary);
  color: var(--tf-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--tf-font-size-sm);
}

.tf-avatar--sm {
  width: 1.75rem;
  height: 1.75rem;
  font-size: var(--tf-font-size-xs);
}

.tf-avatar--lg {
  width: 3.5rem;
  height: 3.5rem;
  font-size: var(--tf-font-size-lg);
}