/* ══════════════════════════════════════════════════════
   KATALOG SPRZĘTU — 3-level navigation
   sprzet.php + karta.php
   ══════════════════════════════════════════════════════ */

/* --- Button reset --- */
.cat-card,
.brand-card,
.brand-panel__back {
  font-family: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  -webkit-appearance: none;
  appearance: none;
}

/* ═══════════════════════════════════════════════════════
   LEVEL 1 — Category Picker
   ═══════════════════════════════════════════════════════ */
.cat-picker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 48px 32px 40px;
  cursor: pointer;
  text-align: center;
  transition: background 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.cat-card:hover {
  background: rgba(13,148,136,0.08);
  border-color: rgba(45,212,191,0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.25), 0 0 0 1px rgba(45,212,191,0.15);
}
body.light .cat-card {
  background: rgba(255,255,255,0.7);
  border-color: rgba(0,0,0,0.08);
}
body.light .cat-card:hover {
  background: rgba(13,148,136,0.06);
  border-color: rgba(13,148,136,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.cat-card__icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: rgba(13,148,136,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: background 0.25s, color 0.25s, transform 0.25s;
}
.cat-card:hover .cat-card__icon {
  background: var(--accent);
  color: #0a1520;
  transform: scale(1.08);
}

.cat-card__label {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.cat-card__count {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════
   Shared — animation & panel header
   ═══════════════════════════════════════════════════════ */
.brand-panel,
.product-panel {
  animation: catalogFadeIn 0.35s ease;
}
@keyframes catalogFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.brand-panel__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}
.brand-panel__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.brand-panel__back:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(13,148,136,0.08);
}
body.light .brand-panel__back {
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.1);
  color: var(--text-secondary);
}
.brand-panel__title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

/* ═══════════════════════════════════════════════════════
   LEVEL 2 — Brand Grid
   ═══════════════════════════════════════════════════════ */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.brand-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px 24px;
  cursor: pointer;
  text-align: center;
  transition: background 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.brand-card:hover {
  background: rgba(13,148,136,0.08);
  border-color: rgba(45,212,191,0.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.2), 0 0 0 1px rgba(45,212,191,0.12);
}
body.light .brand-card {
  background: rgba(255,255,255,0.7);
  border-color: rgba(0,0,0,0.08);
}
body.light .brand-card:hover {
  background: rgba(13,148,136,0.06);
  border-color: rgba(13,148,136,0.3);
  box-shadow: 0 8px 28px rgba(0,0,0,0.06);
}

.brand-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(13,148,136,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: background 0.25s, color 0.25s;
}
.brand-card:hover .brand-card__icon {
  background: var(--accent);
  color: #0a1520;
}

.brand-card__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
}
.brand-card__products {
  font-size: 13px;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════
   LEVEL 3 — Product Grid
   ═══════════════════════════════════════════════════════ */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.catalog-product {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.catalog-product:hover {
  border-color: rgba(45,212,191,0.3);
  background: rgba(13,148,136,0.05);
  transform: translateY(-2px);
}
body.light .catalog-product {
  background: rgba(255,255,255,0.7);
  border-color: rgba(0,0,0,0.08);
}
body.light .catalog-product:hover {
  background: rgba(13,148,136,0.04);
  border-color: rgba(13,148,136,0.25);
}

.catalog-product-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.catalog-product-spec {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 3px;
  line-height: 1.5;
}
.catalog-pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.catalog-pdf-btn:hover { opacity: 0.7; }
.catalog-pdf-btn svg { flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .cat-picker {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cat-card {
    padding: 28px 24px;
    flex-direction: row;
    text-align: left;
    gap: 20px;
  }
  .cat-card__icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
  }
  .cat-card__icon svg { width: 26px; height: 26px; }
  .cat-card__label { font-size: 18px; }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-grid  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .catalog-grid { grid-template-columns: 1fr; }
  .brand-grid  { grid-template-columns: 1fr; }
  .brand-panel__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .brand-panel__title { font-size: 20px; }
  .cat-card { padding: 24px 20px; }
}