/* ============================================================
   Stone Inventory Showcase — Frontend Styles
   Modern luxury aesthetic with card shadows + micro-interactions
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --sis-bg:          #f7f6f4;
  --sis-card-bg:     #ffffff;
  --sis-text:        #1a1814;
  --sis-text-muted:  #7a7570;
  --sis-border:      #e8e4df;
  --sis-accent:      #2c2419;
  --sis-accent-warm: #8b6f47;
  --sis-gold:        #c9a96e;
  --sis-shadow-sm:   0 2px 8px rgba(0,0,0,.06);
  --sis-shadow-md:   0 8px 32px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.06);
  --sis-shadow-lg:   0 20px 60px rgba(0,0,0,.15), 0 4px 16px rgba(0,0,0,.08);
  --sis-radius:      14px;
  --sis-radius-sm:   8px;
  --sis-transition:  all .28s cubic-bezier(.4,0,.2,1);
}

/* ── Wrapper ───────────────────────────────────────────────── */
.sis-showcase {
  font-family: 'DM Sans', sans-serif;
  color: var(--sis-text);
  background: var(--sis-bg);
  padding: 32px 0;
}

/* ── Toolbar ───────────────────────────────────────────────── */
.sis-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding: 0 4px;
}

.sis-search-wrap {
  position: relative;
  flex: 1 1 260px;
  max-width: 380px;
}
.sis-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sis-text-muted);
  pointer-events: none;
  width: 16px; height: 16px;
}
.sis-search {
  width: 100%;
  padding: 11px 16px 11px 42px;
  border: 1.5px solid var(--sis-border);
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  background: #fff;
  color: var(--sis-text);
  outline: none;
  transition: var(--sis-transition);
  box-shadow: var(--sis-shadow-sm);
}
.sis-search:focus {
  border-color: var(--sis-gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,.15), var(--sis-shadow-sm);
}

.sis-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.sis-filter {
  padding: 10px 36px 10px 14px;
  border: 1.5px solid var(--sis-border);
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a7570' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  -webkit-appearance: none;
  appearance: none;
  color: var(--sis-text);
  cursor: pointer;
  outline: none;
  transition: var(--sis-transition);
  box-shadow: var(--sis-shadow-sm);
}
.sis-filter:focus,
.sis-filter:hover {
  border-color: var(--sis-gold);
}

.sis-reset-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 10px 16px;
  border: 1.5px solid var(--sis-border);
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  background: #fff;
  color: var(--sis-text-muted);
  cursor: pointer;
  transition: var(--sis-transition);
  box-shadow: var(--sis-shadow-sm);
}
.sis-reset-btn:hover {
  border-color: var(--sis-accent);
  color: var(--sis-accent);
  background: var(--sis-bg);
}

.sis-count {
  margin-left: auto;
  font-size: 13px;
  color: var(--sis-text-muted);
  letter-spacing: .02em;
}
.sis-count-num {
  font-weight: 600;
  color: var(--sis-accent);
  font-size: 15px;
}

/* ── Grid ──────────────────────────────────────────────────── */
.sis-grid {
  display: grid;
  gap: 28px;
}
.sis-cols-2 { grid-template-columns: repeat(2, 1fr); }
.sis-cols-3 { grid-template-columns: repeat(3, 1fr); }
.sis-cols-4 { grid-template-columns: repeat(4, 1fr); }
.sis-cols-5 { grid-template-columns: repeat(5, 1fr); }

/* ── Card ──────────────────────────────────────────────────── */
.sis-card {
  background: var(--sis-card-bg);
  border-radius: var(--sis-radius);
  overflow: hidden;
  box-shadow: var(--sis-shadow-md);
  transition: var(--sis-transition);
  border: 1px solid rgba(255,255,255,.8);
  cursor: pointer;
  position: relative;
}
.sis-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sis-shadow-lg);
}
.sis-card.sis-entering {
  animation: sisCardIn .35s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes sisCardIn {
  from { opacity: 0; transform: translateY(20px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Card Image ────────────────────────────────────────────── */
.sis-card-image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: #ede9e3;
}
.sis-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
  display: block;
}
.sis-card:hover .sis-card-image {
  transform: scale(1.06);
}

/* overlay on hover */
.sis-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 40%,
    rgba(26,24,20,.55) 100%
  );
  opacity: 0;
  transition: var(--sis-transition);
  display: flex;
  align-items: flex-end;
  padding: 14px;
}
.sis-card:hover .sis-card-overlay {
  opacity: 1;
}
.sis-card-sku {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.9);
  font-family: 'DM Sans', sans-serif;
}

/* Material badge */
.sis-material-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.3);
  line-height: 1.4;
}

.sis-material-quartzite { background: rgba(255,255,255,.82); color: #3b3228; }
.sis-material-granite   { background: rgba(40,36,30,.75);   color: #f0ebe3; }
.sis-material-quartz    { background: rgba(201,169,110,.85); color: #1a1814; }
.sis-material-marble    { background: rgba(255,255,255,.82); color: #5a4e40; }
.sis-material-soapstone { background: rgba(90,78,64,.80);   color: #f0ebe3; }
.sis-material-wilsonart { background: rgba(139,111,71,.80); color: #fff; }

/* ── Card Body ─────────────────────────────────────────────── */
.sis-card-body {
  padding: 18px 20px 20px;
}

.sis-card-title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--sis-accent);
  margin: 0 0 14px;
  line-height: 1.3;
  letter-spacing: .01em;
}

/* ── Meta row ──────────────────────────────────────────────── */
.sis-card-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 6px;
}

.sis-meta-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  background: var(--sis-bg);
  border-radius: var(--sis-radius-sm);
  border: 1px solid var(--sis-border);
  min-width: 0;
}

.sis-meta-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  color: var(--sis-gold);
  opacity: .85;
}

.sis-meta-label {
  font-size: 12px;
  font-weight: 400;
  color: var(--sis-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* Finish color accents */
.sis-finish-polished { color: #6b9eb5; }
.sis-finish-honed    { color: #8b8b7a; }
.sis-finish-leathered,
.sis-finish-leather  { color: var(--sis-accent-warm); }
.sis-finish-satin    { color: #9b8ea0; }

/* ── Load More ─────────────────────────────────────────────── */
.sis-load-more-wrap {
  text-align: center;
  margin-top: 48px;
}
.sis-load-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 40px;
  background: var(--sis-accent);
  color: #f7f3ee;
  border: none;
  border-radius: 50px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .04em;
  cursor: pointer;
  transition: var(--sis-transition);
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
}
.sis-load-more:hover {
  background: var(--sis-accent-warm);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,.22);
}
.sis-load-more:active {
  transform: translateY(0);
}
.sis-load-more.sis-loading {
  pointer-events: none;
  opacity: .7;
}
.sis-load-more.sis-loading svg {
  animation: sis-spin 1s linear infinite;
}
@keyframes sis-spin {
  to { transform: rotate(360deg); }
}

/* ── Empty state ───────────────────────────────────────────── */
.sis-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--sis-text-muted);
}
.sis-empty svg {
  opacity: .25;
  margin-bottom: 16px;
}
.sis-empty h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 500;
  color: var(--sis-accent);
  margin: 0 0 8px;
}

/* ── Skeleton loading ──────────────────────────────────────── */
.sis-skeleton {
  pointer-events: none;
}
.sis-skeleton .sis-card-image-wrap,
.sis-skeleton .sis-card-title,
.sis-skeleton .sis-meta-item {
  background: linear-gradient(90deg, #ede9e3 25%, #e3ddd5 50%, #ede9e3 75%);
  background-size: 200% 100%;
  animation: sisSkeleton 1.5s ease infinite;
  border-radius: 6px;
  color: transparent !important;
}
@keyframes sisSkeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .sis-cols-4 { grid-template-columns: repeat(3, 1fr); }
  .sis-cols-5 { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .sis-cols-3,
  .sis-cols-4,
  .sis-cols-5 { grid-template-columns: repeat(2, 1fr); }
  .sis-grid   { gap: 18px; }
}
@media (max-width: 540px) {
  .sis-cols-2,
  .sis-cols-3,
  .sis-cols-4,
  .sis-cols-5 { grid-template-columns: 1fr; }
  .sis-toolbar { flex-direction: column; align-items: stretch; }
  .sis-search-wrap { max-width: 100%; }
  .sis-count { margin-left: 0; }
}