/**
 * Sort Controls Styling
 * Modern dropdown sort interface for podcast directory
 */

/* Sort Controls Container */
.sort-controls {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-lg);
}

/* Sort Button */
.sort-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  user-select: none;
  white-space: nowrap;
  min-width: 200px;
  justify-content: space-between;
}

/* Disable on touch devices */
@media (hover: hover) and (pointer: fine) {
  .sort-button:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-focus);
    color: var(--text-primary);
  }
}

.sort-button:active,
.sort-button.active {
  background-color: var(--bg-hover);
  border-color: var(--accent-primary);
}

.sort-button i.fa-arrow-down-wide-short {
  color: var(--accent-primary);
  font-size: var(--font-size-base);
}

.sort-chevron {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  transition: transform var(--transition-base);
}

.sort-button.active .sort-chevron {
  transform: rotate(180deg);
}

/* Sort Dropdown */
.sort-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-xs));
  left: 0;
  min-width: 280px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 1000;
  overflow: hidden;
}

.sort-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Sort Section */
.sort-section {
  border-bottom: 1px solid var(--border-secondary);
}

.sort-section:last-child {
  border-bottom: none;
}

.sort-section-title {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--bg-secondary);
}

/* Sort Options */
.sort-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: var(--font-size-sm);
}

/* Disable on touch devices */
@media (hover: hover) and (pointer: fine) {
  .sort-option:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
  }
}

.sort-option i {
  width: 20px;
  text-align: center;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

/* Disable on touch devices */
@media (hover: hover) and (pointer: fine) {
  .sort-option:hover i {
    color: var(--accent-primary);
  }
}

.sort-option.active {
  background-color: rgba(35, 134, 54, 0.1);
  color: var(--accent-primary);
  font-weight: 500;
}

.sort-option.active i {
  color: var(--accent-primary);
}

.sort-option-check {
  margin-left: auto;
  color: var(--accent-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.sort-option.active .sort-option-check {
  opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
  .sort-controls {
    width: 100%;
    margin-bottom: var(--spacing-md);
  }

  .sort-button {
    width: 100%;
    min-width: unset;
  }

  .sort-dropdown {
    left: 0;
    right: 0;
    min-width: unset;
    width: 100%;
  }
}

/* Phone-specific: Compact layout and bottom sheet */
@media (max-width: 480px) {
  .sort-controls {
    margin-bottom: 0;
  }

  /* Bottom sheet style for mobile */
  .sort-dropdown.show {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    max-height: 70vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
  }

  @keyframes slideUp {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }

  /* Mobile backdrop */
  .sort-dropdown.show::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }
}

/* Animation for dropdown items */
.sort-dropdown.show .sort-option {
  animation: fadeInOption 0.2s ease forwards;
  opacity: 0;
}

.sort-dropdown.show .sort-option:nth-child(1) { animation-delay: 0.05s; }
.sort-dropdown.show .sort-option:nth-child(2) { animation-delay: 0.08s; }
.sort-dropdown.show .sort-option:nth-child(3) { animation-delay: 0.11s; }
.sort-dropdown.show .sort-option:nth-child(4) { animation-delay: 0.14s; }
.sort-dropdown.show .sort-option:nth-child(5) { animation-delay: 0.17s; }
.sort-dropdown.show .sort-option:nth-child(6) { animation-delay: 0.20s; }

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

/* Accessibility - Focus States */
.sort-button:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.sort-option:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: -2px;
  background-color: var(--bg-hover);
}

/* Loading State */
.sort-controls.loading .sort-button {
  opacity: 0.6;
  pointer-events: none;
}

.sort-controls.loading .sort-button::after {
  content: '';
  position: absolute;
  right: var(--spacing-md);
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-primary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}