/**
 * GPCC Sort Bar Component
 * Complete styling for archive sort/filter controls
 * Architecture: Scoped with .gpcc-skin, no !important
 */

/* === SORT BAR BASE === */
.gpcc-skin .gpcc-sort-bar {
  background-color: var(--surface-1);
  border-bottom: 1px solid var(--border);
  padding: calc(var(--gap) / 2);
  margin-bottom: var(--gap);
  border-radius: var(--radius-md);
}

.gpcc-skin .gpcc-sort-form {
  display: flex;
  flex-direction: column;
  gap: calc(var(--gap) / 3);
}

/* === SORT CONTROLS ROW === */
.gpcc-skin .gpcc-sort-controls {
  display: flex;
  align-items: center;
  gap: calc(var(--gap) / 2);
  flex-wrap: wrap;
}

/* === LABELS === */
.gpcc-skin .gpcc-sort-label,
.gpcc-skin .gpcc-order-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-muted);
  white-space: nowrap;
  margin-right: calc(var(--gap) / 4);
}

/* === SELECT CONTROLS === */
.gpcc-skin .gpcc-sort-select,
.gpcc-skin .gpcc-order-select {
  appearance: none;
  background-color: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  height: 38px;
  min-width: 140px;
  padding: 0 2rem 0 0.75rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394A3B8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
}

.gpcc-skin .gpcc-sort-select:hover,
.gpcc-skin .gpcc-order-select:hover {
  background-color: var(--surface-3);
  border-color: var(--primary);
}

.gpcc-skin .gpcc-sort-select:focus,
.gpcc-skin .gpcc-order-select:focus,
.gpcc-skin .gpcc-sort-select:focus-visible,
.gpcc-skin .gpcc-order-select:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-color: var(--primary);
}

/* === SUBMIT BUTTON === */
.gpcc-skin .gpcc-sort-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  height: 38px;
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: white;
  background-color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.gpcc-skin .gpcc-sort-submit:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-1px);
}

.gpcc-skin .gpcc-sort-submit:focus,
.gpcc-skin .gpcc-sort-submit:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.gpcc-skin .gpcc-sort-submit:active {
  transform: translateY(0);
}

/* === CLEAR LINK === */
.gpcc-skin .gpcc-sort__clear {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.gpcc-skin .gpcc-sort__clear:hover {
  color: var(--text);
  text-decoration: underline;
}

.gpcc-skin .gpcc-sort__clear:focus,
.gpcc-skin .gpcc-sort__clear:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

/* === META ROW === */
.gpcc-skin .gpcc-sort__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--text-muted);
  padding-top: calc(var(--gap) / 4);
  border-top: 1px solid var(--border);
  margin-top: calc(var(--gap) / 3);
}

.gpcc-skin .gpcc-sort__count {
  font-weight: var(--font-medium);
}

/* === ORDER SELECT CONDITIONAL === */
.gpcc-skin .gpcc-order-label,
.gpcc-skin .gpcc-order-select {
  display: none;
}

/* Show order controls when sort=size via JS or server-side logic */
.gpcc-skin .gpcc-sort-form[data-sort="size"] .gpcc-order-label,
.gpcc-skin .gpcc-sort-form[data-sort="size"] .gpcc-order-select,
.gpcc-skin .gpcc-sort-bar[data-show-order] .gpcc-order-label,
.gpcc-skin .gpcc-sort-bar[data-show-order] .gpcc-order-select {
  display: block;
}

/* === RESPONSIVE DESIGN === */

/* Large Desktop (≥1280px) */
@media (min-width: 1280px) {
  .gpcc-skin .gpcc-sort-controls {
    justify-content: flex-start;
  }
  
  .gpcc-skin .gpcc-sort-select,
  .gpcc-skin .gpcc-order-select {
    min-width: 160px;
  }
}

/* Desktop (≥1024px) */
@media (min-width: 1024px) {
  .gpcc-skin .gpcc-sort-form {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  .gpcc-skin .gpcc-sort__meta {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
    flex: 0 0 auto;
  }
}

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
  .gpcc-skin .gpcc-sort-controls {
    flex-wrap: wrap;
    gap: calc(var(--gap) / 3);
  }
  
  .gpcc-skin .gpcc-sort-select,
  .gpcc-skin .gpcc-order-select {
    min-width: 120px;
    flex: 1 1 auto;
  }
  
  .gpcc-skin .gpcc-sort-submit {
    flex: 0 0 auto;
  }
}

/* Mobile (≤767px) */
@media (max-width: 767px) {
  .gpcc-skin .gpcc-sort-bar {
    padding: calc(var(--gap) / 3);
  }
  
  .gpcc-skin .gpcc-sort-controls {
    flex-direction: column;
    align-items: stretch;
    gap: calc(var(--gap) / 3);
  }
  
  .gpcc-skin .gpcc-sort-label,
  .gpcc-skin .gpcc-order-label {
    align-self: flex-start;
    margin-bottom: 0.25rem;
  }
  
  .gpcc-skin .gpcc-sort-select,
  .gpcc-skin .gpcc-order-select,
  .gpcc-skin .gpcc-sort-submit {
    width: 100%;
    min-width: auto;
  }
  
  .gpcc-skin .gpcc-sort__meta {
    font-size: var(--text-xs);
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}

/* Small Mobile (≤576px) */
@media (max-width: 576px) {
  .gpcc-skin .gpcc-sort-bar {
    margin-left: calc(var(--gap) * -0.5);
    margin-right: calc(var(--gap) * -0.5);
    border-radius: 0;
  }
  
  .gpcc-skin .gpcc-sort-select,
  .gpcc-skin .gpcc-order-select {
    height: 42px;
    font-size: var(--text-base);
  }
  
  .gpcc-skin .gpcc-sort-submit {
    height: 42px;
    font-size: var(--text-base);
  }
}

/* === STICKY VARIANT (OPTIONAL) === */
.gpcc-skin .gpcc-sort-bar.gpcc-sort--sticky {
  position: sticky;
  top: var(--header-height, 0);
  z-index: var(--z-sticky, 1020);
  backdrop-filter: blur(4px);
  background-color: rgba(17, 26, 51, 0.95); /* var(--surface-1) with opacity */
  border-radius: 0;
  margin-bottom: 0;
  box-shadow: var(--shadow-sm);
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
  .gpcc-skin .gpcc-sort-select,
  .gpcc-skin .gpcc-order-select,
  .gpcc-skin .gpcc-sort-submit,
  .gpcc-skin .gpcc-sort__clear {
    transition: none;
  }
  
  .gpcc-skin .gpcc-sort-submit:hover {
    transform: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .gpcc-skin .gpcc-sort-select,
  .gpcc-skin .gpcc-order-select {
    border-width: 2px;
  }
  
  .gpcc-skin .gpcc-sort-submit {
    border-width: 2px;
  }
  
  .gpcc-skin .gpcc-sort-bar {
    border-bottom-width: 2px;
  }
}

/* === LOADING STATE === */
.gpcc-skin .gpcc-sort-form.loading {
  pointer-events: none;
  opacity: 0.7;
}

.gpcc-skin .gpcc-sort-form.loading .gpcc-sort-submit::after {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 0.5rem;
  border: 1px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: gpcc-sort-spin 1s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .gpcc-skin .gpcc-sort-form.loading .gpcc-sort-submit::after {
    animation: none;
    border-top-color: currentColor;
  }
}

/* === FOCUS MANAGEMENT === */
.gpcc-skin .gpcc-sort-form:focus-within {
  /* Subtle indication when any child has focus */
}

/* === BROWSER SPECIFIC ADJUSTMENTS === */
/* Firefox select styling */
@-moz-document url-prefix() {
  .gpcc-skin .gpcc-sort-select,
  .gpcc-skin .gpcc-order-select {
    background-image: none;
    padding-right: 1rem;
  }
}

/* Safari/WebKit select styling */
@supports (-webkit-appearance: none) {
  .gpcc-skin .gpcc-sort-select::-webkit-details-marker,
  .gpcc-skin .gpcc-order-select::-webkit-details-marker {
    display: none;
  }
}