/* ==========================================================================
   SCHWAB Cargo Logistik -- Katalog (Pfandrecht-Verwertung) Styles
   Industrial Premium catalog component styles
   ========================================================================== */

/* ===========================
   CATALOG HERO (smaller variant)
   =========================== */
.katalog-hero {
  padding-block: var(--space-2xl) var(--space-xl);
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.katalog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 100%, rgba(230, 81, 0, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(36, 36, 66, 0.6) 0%, transparent 70%);
  pointer-events: none;
}

.katalog-hero__inner {
  position: relative;
  z-index: 1;
  max-inline-size: 700px;
}

/* ===========================
   FILTER BAR
   =========================== */
.katalog-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  border-block-end: 1px solid var(--color-border);
  margin-block-end: var(--space-lg);
}

.katalog-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.katalog-filter-btn:hover {
  color: var(--color-text);
  border-color: var(--color-accent-dark);
  transform: translateY(-1px);
}

.katalog-filter-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.katalog-filter-btn.is-active {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ===========================
   PRODUCT GRID
   =========================== */
.katalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-md);
}

@media (min-width: 1024px) {
  .katalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 600px) and (max-width: 1023px) {
  .katalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===========================
   PRODUCT CARD
   =========================== */
.katalog-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    opacity var(--transition-normal);
}

.katalog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-dark);
}

.katalog-card--hidden {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

/* Card media / image area */
.katalog-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #2a2a42;
  margin-block-end: 0;
  border-radius: 0;
}

.katalog-card__media .card-img,
.katalog-card__media .katalog-placeholder-svg {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  display: block;
}

.katalog-card:hover .card-img {
  transform: scale(1.05);
  transition: transform var(--transition-slow);
}

/* Category badge on card */
.katalog-card__badge {
  position: absolute;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.katalog-card__badge--sold {
  inset-inline-start: auto;
  inset-inline-end: var(--space-sm);
  background: rgba(198, 40, 40, 0.85);
  color: #fff;
}

/* Card body */
.katalog-card__body {
  padding: var(--space-card);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.katalog-card__title {
  font-size: var(--fs-h4);
  margin-block-end: var(--space-xs);
}

.katalog-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-block-end: var(--space-md);
  flex: 1;
}

/* Card footer: price + actions */
.katalog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-block-start: var(--space-sm);
  border-block-start: 1px solid var(--color-border);
  margin-block-start: auto;
}

.katalog-card__price {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--color-accent);
}

.katalog-card__actions {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

/* ===========================
   PLACEHOLDER SVG
   =========================== */
.katalog-placeholder-svg {
  display: block;
  inline-size: 100%;
  block-size: 100%;
}

/* ===========================
   DETAIL MODAL
   =========================== */
.katalog-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 15, 26, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-slow),
    visibility var(--transition-slow);
  padding: var(--space-md);
  overflow-y: auto;
}

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

.katalog-modal__inner {
  position: relative;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  max-inline-size: 960px;
  inline-size: 100%;
  max-block-size: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-slow);
}

.katalog-modal.is-open .katalog-modal__inner {
  transform: translateY(0) scale(1);
}

.katalog-modal__close {
  position: absolute;
  inset-block-start: var(--space-md);
  inset-inline-end: var(--space-md);
  z-index: 10;
  inline-size: 40px;
  block-size: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
  font-size: 0;
  line-height: 0;
}

.katalog-modal__close:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.katalog-modal__close svg {
  inline-size: 20px;
  block-size: 20px;
}

/* Detail Layout */
.katalog-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

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

.katalog-detail__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #2a2a42;
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

@media (max-width: 768px) {
  .katalog-detail__media {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-block-size: 300px;
  }
}

.katalog-detail__img,
.katalog-detail__placeholder {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  display: block;
}

.katalog-detail__placeholder .katalog-placeholder-svg {
  inline-size: 100%;
  block-size: 100%;
}

.katalog-detail__info {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.katalog-detail__title {
  font-size: var(--fs-h2);
  line-height: var(--lh-tight);
}

.katalog-detail__desc {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
}

/* Tech Specs Table */
.katalog-detail__specs {
  margin-block: var(--space-md);
}

.katalog-detail__specs-title {
  font-size: var(--fs-h4);
  margin-block-end: var(--space-sm);
  color: var(--color-accent);
}

.katalog-spec-table {
  inline-size: 100%;
  border-collapse: collapse;
}

.katalog-spec-table tr {
  border-block-end: 1px solid var(--color-border);
}

.katalog-spec-table tr:last-child {
  border-block-end: none;
}

.katalog-spec-key,
.katalog-spec-val {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--fs-sm);
  vertical-align: top;
}

.katalog-spec-key {
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
  inline-size: 40%;
}

.katalog-spec-val {
  color: var(--color-text);
}

/* Price & ID */
.katalog-detail__bottom {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-block-start: 1px solid var(--color-border);
  margin-block-start: auto;
}

.katalog-detail__price {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 800;
  color: var(--color-accent);
}

.katalog-detail__id {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

/* CTA area */
.katalog-detail__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.katalog-detail__notice {
  font-size: var(--fs-xs);
  margin-block-start: var(--space-sm);
}

/* ===========================
   INFO BOX
   =========================== */
.katalog-info {
  margin-block-start: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-inline-start: 3px solid var(--color-accent);
  border-radius: var(--radius);
}

.katalog-info__title {
  font-size: var(--fs-h4);
  margin-block-end: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.katalog-info__text {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
}

/* ===========================
   ERROR STATE
   =========================== */
.katalog-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-xl);
  color: var(--color-text-muted);
}

.katalog-error p {
  margin-block-end: var(--space-md);
  margin-inline: auto;
}

/* ===========================
   SKELETON LOADING STATE
   =========================== */
.katalog-skeleton {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-md);
}

.katalog-skeleton__card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.katalog-skeleton__img {
  aspect-ratio: 4 / 3;
}

.katalog-skeleton__body {
  padding: var(--space-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.katalog-skeleton__title {
  block-size: 1.5em;
  inline-size: 75%;
}

.katalog-skeleton__text {
  block-size: 1em;
  inline-size: 100%;
}

.katalog-skeleton__text:last-of-type {
  inline-size: 60%;
}

.katalog-skeleton__price {
  block-size: 2em;
  inline-size: 30%;
  margin-block-start: var(--space-sm);
}