/* ============================================================
   COLLECTION.CSS — Kategorie-/Collection-Seite
   ============================================================ */

/* ─── Collection Header ─── */
.collection-header {
  background: var(--color-cream);
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}
.breadcrumb a:hover { color: var(--color-gold-dark); }
.breadcrumb__sep { opacity: 0.4; }
.breadcrumb__current { color: var(--color-text-secondary); }

.collection-header__title {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  color: var(--color-espresso);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-3);
}

.collection-header__subtitle {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  max-width: 560px;
  line-height: var(--leading-normal);
}

/* Hero (optional) */
.collection-hero {
  margin-top: var(--space-8);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.collection-hero .media-slot { aspect-ratio: 21/6; }

@media (max-width: 640px) {
  .collection-hero .media-slot { aspect-ratio: 16/7; }
}

/* ─── Collection Layout ─── */
.collection-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-10);
  align-items: start;
  padding-block: var(--space-8);
}

@media (max-width: 1024px) {
  .collection-layout {
    grid-template-columns: 220px 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  .collection-layout {
    grid-template-columns: 1fr;
  }
}

/* ─── Toolbar ─── */
.collection-toolbar {
  position: sticky;
  top: 64px;
  z-index: 80;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-3);
  margin-bottom: var(--space-6);
}

.collection-toolbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.toolbar-count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}
.toolbar-count strong {
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Sort Dropdown */
.sort-dropdown {
  position: relative;
}

.sort-select-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 44px;
  padding-inline: var(--space-4);
  border: 1.5px solid var(--color-border-dark);
  background: var(--color-white);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--duration-fast), background var(--duration-fast);
  min-width: 190px;
  justify-content: space-between;
}
.sort-select-btn:hover { border-color: var(--color-espresso); }
.sort-select-btn[aria-expanded="true"] { border-color: var(--color-gold); }

.sort-select-btn__chevron {
  transition: transform var(--duration-fast);
  flex-shrink: 0;
}
.sort-select-btn[aria-expanded="true"] .sort-select-btn__chevron {
  transform: rotate(180deg);
}

.sort-dropdown__menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 100%;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 90;
  display: none;
}
.sort-dropdown__menu.is-open { display: block; }

.sort-option {
  display: flex;
  align-items: center;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  transition: background var(--duration-fast), color var(--duration-fast);
  gap: var(--space-3);
}
.sort-option:hover { background: var(--color-cream); color: var(--color-gold-dark); }
.sort-option.is-active {
  color: var(--color-gold-dark);
  font-weight: var(--weight-medium);
}
.sort-option.is-active::before {
  content: '✓';
  font-size: var(--text-xs);
}

/* Filter Button (mobile) */
.filter-toggle-btn {
  display: none;
  align-items: center;
  gap: var(--space-2);
  height: 44px;
  padding-inline: var(--space-4);
  border: 1.5px solid var(--color-border-dark);
  background: var(--color-white);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--duration-fast);
}
.filter-toggle-btn:hover { border-color: var(--color-espresso); background: var(--color-cream); }
.filter-toggle-btn .filter-badge {
  display: none;
  background: var(--color-gold);
  color: var(--color-espresso);
  font-size: 0.65rem;
  font-weight: var(--weight-semi);
  border-radius: var(--radius-full);
  min-width: 18px;
  height: 18px;
  padding-inline: 4px;
  align-items: center;
  justify-content: center;
}
.filter-toggle-btn .filter-badge.is-visible { display: flex; }

@media (max-width: 768px) {
  .filter-toggle-btn { display: flex; }
}

/* ─── Filter Sidebar (Desktop) ─── */
.filter-sidebar {
  position: sticky;
  top: calc(64px + var(--space-8));
  max-height: calc(100vh - 64px - var(--space-16));
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-sand) transparent;
}

.filter-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.filter-sidebar__title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-primary);
}
.filter-clear-btn {
  font-size: var(--text-xs);
  color: var(--color-taupe);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--duration-fast);
}
.filter-clear-btn:hover { color: var(--color-espresso); }
.filter-clear-btn:disabled { opacity: 0.4; cursor: default; }

@media (max-width: 768px) {
  .filter-sidebar { display: none; }
}

/* ─── Filter Accordion Group ─── */
.filter-group {
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-1);
}

.filter-group__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-align: left;
}
.filter-group__toggle:hover { color: var(--color-gold-dark); }

.filter-group__chevron {
  transition: transform var(--duration-normal);
  flex-shrink: 0;
  color: var(--color-taupe);
}
.filter-group.is-open .filter-group__chevron {
  transform: rotate(180deg);
}

.filter-group__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-default),
              padding var(--duration-slow);
}
.filter-group.is-open .filter-group__body {
  max-height: 400px;
  padding-bottom: var(--space-4);
}

/* Filter Options */
.filter-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
  padding: var(--space-1) 0;
}

.filter-option input[type="checkbox"],
.filter-option input[type="radio"] {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border-dark);
  border-radius: 2px;
  appearance: none;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all var(--duration-fast);
}
.filter-option input[type="checkbox"]:checked,
.filter-option input[type="radio"]:checked {
  background: var(--color-espresso);
  border-color: var(--color-espresso);
}
.filter-option input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px; top: 1px;
  width: 5px; height: 9px;
  border: 2px solid white;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
.filter-option input[type="radio"] { border-radius: var(--radius-full); }
.filter-option input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: white;
  border-radius: var(--radius-full);
}

.filter-option__label {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  flex: 1;
  transition: color var(--duration-fast);
}
.filter-option:hover .filter-option__label { color: var(--color-gold-dark); }
.filter-option__count {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Availability toggle */
.filter-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  padding: var(--space-1) 0;
}
.toggle-switch {
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--color-sand);
  position: relative;
  transition: background var(--duration-fast);
  flex-shrink: 0;
  cursor: pointer;
  border: none;
  appearance: none;
}
.toggle-switch:checked { background: var(--color-espresso); }
.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: white;
  transition: transform var(--duration-fast);
  box-shadow: var(--shadow-xs);
}
.toggle-switch:checked::after { transform: translateX(16px); }

/* ─── Filter Drawer (Mobile) ─── */
.filter-drawer-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-slow);
}
.filter-drawer-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.filter-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 92vw);
  background: var(--color-white);
  z-index: 310;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
}
.filter-drawer.is-open { transform: translateX(0); }

.filter-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.filter-drawer__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--color-espresso);
}
.filter-drawer__close {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  background: none; border: none; cursor: pointer;
  transition: background var(--duration-fast);
}
.filter-drawer__close:hover { background: var(--color-cream-dark); }

.filter-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2) var(--space-6);
  -webkit-overflow-scrolling: touch;
}

.filter-drawer__footer {
  flex-shrink: 0;
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* ─── Filter Chips ─── */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  min-height: 0;
}
.filter-chips:empty { display: none; }

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-cream-dark);
  border: 1px solid var(--color-sand-dark);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-espresso);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  transition: all var(--duration-fast);
}
.filter-chip:hover {
  background: var(--color-espresso);
  color: var(--color-white);
  border-color: var(--color-espresso);
}
.filter-chip__remove {
  display: flex;
  align-items: center;
  font-size: 0.85em;
  opacity: 0.7;
}

/* ─── Product Grid ─── */
.product-area { min-width: 0; }

.products-empty {
  padding: var(--space-20) var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
  grid-column: 1 / -1;
}
.products-empty__icon { margin-bottom: var(--space-4); opacity: 0.4; }
.products-empty__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-espresso);
  margin-bottom: var(--space-2);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
}

@media (max-width: 768px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
}

/* ─── Collection Product Card ─── */
.col-card {
  display: block;
  text-decoration: none;
  cursor: pointer;
  position: relative;
}

.col-card__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-cream-dark);
  aspect-ratio: 3/4;
  margin-bottom: var(--space-3);
}
.col-card__media .media-slot {
  height: 100%;
  transition: transform var(--duration-slow) var(--ease-out);
}
.col-card:hover .col-card__media .media-slot img,
.col-card:hover .col-card__media .media-slot video {
  transform: scale(1.05);
}

/* Card Badge */
.col-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 2;
}

/* Quick actions overlay */
.col-card__actions {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-3);
  background: linear-gradient(to top, rgba(26,22,18,0.5), transparent);
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-out);
  display: flex;
  gap: var(--space-2);
}
.col-card:hover .col-card__actions {
  transform: translateY(0);
}

.col-card__quick-btn {
  flex: 1;
  height: 40px;
  background: var(--color-white);
  color: var(--color-espresso);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background var(--duration-fast), color var(--duration-fast);
}
.col-card__quick-btn:hover {
  background: var(--color-espresso);
  color: var(--color-white);
}

/* Sold out overlay */
.col-card--sold-out .col-card__media::after {
  content: 'Ausverkauft';
  position: absolute;
  inset: 0;
  background: rgba(250,248,245,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-espresso);
}

/* Card body */
.col-card__body { padding-inline: var(--space-1); }

.col-card__category {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-taupe);
  margin-bottom: 2px;
}

.col-card__name {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--color-espresso);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-2);
  font-weight: var(--weight-regular);
}

.col-card__price {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.col-card__price-sale { color: var(--color-accent); font-weight: var(--weight-medium); }
.col-card__price-orig { text-decoration: line-through; color: var(--color-text-muted); font-size: var(--text-xs); }

/* Mobile: no hover overlay → show quick add as static btn */
@media (max-width: 768px) {
  .col-card__actions {
    transform: translateY(0);
    background: linear-gradient(to top, rgba(26,22,18,0.4), transparent);
  }
  .col-card__quick-btn { height: 44px; }
}

/* ─── Load More ─── */
.load-more-wrap {
  text-align: center;
  padding-block: var(--space-10);
}

.load-more-btn {
  min-width: 200px;
}

.load-more-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* ─── Quick View Modal ─── */
.qv-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal);
}
.qv-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.qv-modal {
  background: var(--color-white);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  transform: translateY(16px);
  transition: transform var(--duration-normal);
}
.qv-overlay.is-open .qv-modal { transform: translateY(0); }

.qv-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-cream-dark);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
  transition: background var(--duration-fast);
}
.qv-modal__close:hover { background: var(--color-sand); }

.qv-modal__media { aspect-ratio: 1/1; }
.qv-modal__media .media-slot { height: 100%; border-radius: var(--radius-md) 0 0 var(--radius-md); }

.qv-modal__body {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
}
.qv-modal__badge { align-self: flex-start; }
.qv-modal__name {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-espresso);
  line-height: var(--leading-snug);
}
.qv-modal__price {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  display: flex; gap: var(--space-3); align-items: baseline;
}
.qv-modal__price-sale { color: var(--color-accent); font-weight: var(--weight-medium); }
.qv-modal__price-orig { text-decoration: line-through; font-size: var(--text-sm); color: var(--color-text-muted); }
.qv-modal__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex; flex-direction: column; gap: var(--space-1);
}
.qv-modal__link {
  font-size: var(--text-xs);
  color: var(--color-taupe);
  text-decoration: underline;
  text-underline-offset: 2px;
  align-self: flex-start;
  transition: color var(--duration-fast);
}
.qv-modal__link:hover { color: var(--color-gold-dark); }

@media (max-width: 640px) {
  .qv-modal { grid-template-columns: 1fr; }
  .qv-modal__media .media-slot { border-radius: var(--radius-md) var(--radius-md) 0 0; }
}

/* ── Quick-View Galerie mit Swipe ── */
.qv-gallery {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.qv-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.18s;
}

.qv-gallery__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.88);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background var(--duration-fast), opacity var(--duration-fast);
  opacity: 0;
}

.qv-gallery:hover .qv-gallery__nav { opacity: 1; }

.qv-gallery__nav--prev { left: var(--space-2); }
.qv-gallery__nav--next { right: var(--space-2); }
.qv-gallery__nav:hover { background: var(--color-white); }

.qv-dots {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
  z-index: 2;
}

.qv-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--duration-fast), transform var(--duration-fast);
}

.qv-dot.is-active {
  background: var(--color-white);
  transform: scale(1.3);
}

@media (max-width: 640px) {
  .qv-gallery { border-radius: var(--radius-md) var(--radius-md) 0 0; }
  .qv-gallery__nav { opacity: 1; } /* immer sichtbar auf Mobile */
}