/* ═══════════════════════════════════════════════════════════════════════════
   sebang-collection.css
   SEBANG Battery Catalog — Production Stylesheet (SOLITE Architecture Aligned)
   Scope: .sebang-collection and child selectors only.
   ═══════════════════════════════════════════════════════════════════════════ */

.sebang-collection {
  --sec-navy:   #0d1b2a;
  --sec-blue-primary: #163A5F;
  --sec-navy: #0F2742;
  --sec-medium-blue: #245A8D;
  --sec-light-blue: #3B82B6;
  --sec-light-surface: #EFF6FB;
  
  --sec-blue:   #1e3a8a;
  --sec-amber:  #b45309;
  --sec-green:  #166534;
  --sec-bg:     #f8fafc;
  --sec-card:   #ffffff;
  --sec-border: #e2e8f0;
  --sec-text:   #0f172a;
  --sec-muted:  #64748b;
  --sec-radius: 10px;
  --sec-shadow: 0 4px 16px -4px rgba(13,27,42,.10);
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--sec-text);
}

/* ── Section heading ─────────────────────────────────────────────────────── */
.sebang-collection-heading {
  margin-bottom: 6px;
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 900;
  color: var(--sec-navy);
  line-height: 1.2;
}
.sebang-collection-sub {
  color: var(--sec-muted);
  font-size: 15px;
  max-width: 720px;
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ── Summary stats bar ───────────────────────────────────────────────────── */
.sebang-stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}
.sebang-stat-card {
  background: var(--sec-card);
  border: 1px solid var(--sec-border);
  border-radius: var(--sec-radius);
  padding: 14px 20px;
  min-width: 140px;
  flex: 1;
  box-shadow: var(--sec-shadow);
}
.sebang-stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 900;
  color: var(--sec-navy);
  line-height: 1.1;
}
.sebang-stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--sec-muted);
  margin-top: 3px;
}
.sebang-stat-card.sec-green .sebang-stat-num { color: var(--sec-green); }

/* ── Inquiry disclaimer ──────────────────────────────────────────────────── */
.sebang-inquiry-notice {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 4px solid var(--sec-amber);
  border-radius: var(--sec-radius);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--sec-amber);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sebang-inquiry-notice strong { color: #92400e; }

/* ── Category tabs ───────────────────────────────────────────────────────── */
.sebang-category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 2px solid var(--sec-border);
  padding-bottom: 0;
  margin-bottom: 0;
}
.sebang-tab-btn {
  padding: 10px 20px;
  border: none;
  background: #edf2f7;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  color: var(--sec-muted);
  transition: background .15s, color .15s;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
}
.sebang-tab-btn:hover { background: #EFF6FB; color: var(--sec-blue-primary); }
.sebang-tab-btn.active {
  background: var(--sec-card);
  color: var(--sec-blue-primary);
  border-bottom-color: var(--sec-blue-primary);
  border-left: 1px solid var(--sec-border);
  border-right: 1px solid var(--sec-border);
  border-top: 1px solid var(--sec-border);
}

/* ── Category panel ──────────────────────────────────────────────────────── */
.sebang-category-panel {
  display: none;
  background: var(--sec-card);
  border: 1px solid var(--sec-border);
  border-top: none;
  border-radius: 0 0 var(--sec-radius) var(--sec-radius);
  padding: 0 0 32px;
}
.sebang-category-panel.active { display: block; }

/* ── Category banner ─────────────────────────────────────────────────────── */
.sebang-category-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 5;
  height: auto;
  overflow: hidden;
  background: #0d1b2a;
}
.sebang-category-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .75;
}
.sebang-category-banner-info {
  position: absolute;
  inset: auto 0 0 0;
  padding: clamp(10px, 2vw, 20px);
  background: linear-gradient(
    to top,
    rgba(13, 27, 42, 0.88) 0%,
    rgba(13, 27, 42, 0.35) 55%,
    transparent 100%
  );
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}
.sebang-category-banner-title {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 6px rgba(0,0,0,.5);
}
.sebang-category-banner-meta { display: flex; gap: 10px; }
.sebang-cat-pill {
  background: rgba(255,255,255,.18);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

/* ── Category body ───────────────────────────────────────────────────────── */
.sebang-category-body { padding: 24px; }

/* ── Filter panel ────────────────────────────────────────────────────────── */
.sebang-filter-panel {
  background: #f8fafc;
  border: 1px solid var(--sec-border);
  border-radius: var(--sec-radius);
  padding: 18px 20px;
  margin-bottom: 24px;
}
.sebang-filter-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.sebang-filter-group {
  display: flex; flex-direction: column; gap: 5px;
  flex: 1; min-width: 150px; max-width: 240px;
}
.sebang-filter-group.wide { max-width: 320px; }
.sebang-filter-group label {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; color: var(--sec-muted);
}
.sebang-filter-group input,
.sebang-filter-group select {
  padding: 8px 10px;
  border: 1px solid var(--sec-border);
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
  color: var(--sec-text);
  outline: none;
  transition: border-color .12s;
}
.sebang-filter-group input:focus,
.sebang-filter-group select:focus {
  border-color: var(--sec-blue-primary);
  box-shadow: 0 0 0 3px rgba(22,58,95,.12);
}
.sebang-filter-clear-btn {
  padding: 8px 16px; background: #fff;
  border: 1px solid var(--sec-border); border-radius: 6px;
  font-size: 13px; font-weight: 600; color: var(--sec-muted);
  cursor: pointer; transition: .12s; white-space: nowrap;
}
.sebang-filter-clear-btn:hover { background: #EFF6FB; color: #163A5F; border-color: #3B82B6; }
.sebang-filter-advanced-toggle {
  font-size: 12px; font-weight: 600; color: var(--sec-blue-primary);
  cursor: pointer; background: none; border: none; padding: 0;
  margin-top: 6px; text-decoration: underline; text-underline-offset: 2px;
}
.sebang-filter-advanced { display: none; margin-top: 10px; }
.sebang-filter-advanced.visible { display: flex; flex-wrap: wrap; gap: 12px; }
.sebang-filter-results-bar { font-size: 13px; color: var(--sec-muted); margin-bottom: 14px; }
.sebang-filter-results-bar strong { color: var(--sec-text); }

/* ── Series grid ─────────────────────────────────────────────────────────── */
.sebang-series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 20px;
}

/* ── Series card ─────────────────────────────────────────────────────────── */
.sebang-series-card {
  background: var(--sec-card);
  border: 1px solid var(--sec-border);
  border-radius: var(--sec-radius);
  box-shadow: var(--sec-shadow);
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: transform .15s, box-shadow .15s;
}
.sebang-series-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px -6px rgba(13,27,42,.14);
}
.sebang-series-card[data-hidden="true"] { display: none; }

/* ── Series image ────────────────────────────────────────────────────────── */
.sebang-series-image {
  background: #ffffff;
  border-bottom: 1px solid var(--sec-border);
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.sebang-series-image img {
  width: 100%; height: 100%;
  object-fit: contain; display: block; padding: 12px;
}
.sebang-rep-badge {
  position: absolute; bottom: 8px; left: 8px; right: 8px;
  background: rgba(13,27,42,.85); color: #fff;
  border-radius: 5px; padding: 4px 8px;
  font-size: 9.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .4px;
  text-align: center; backdrop-filter: blur(3px);
}
.sebang-rep-badge.exact { background: rgba(22,58,95,.85); }

/* ── Card body ───────────────────────────────────────────────────────────── */
.sebang-card-body { padding: 16px; display: flex; flex-direction: column; flex: 1; }
.sebang-card-cat-tag {
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .6px;
  color: var(--sec-blue-primary); margin-bottom: 5px;
}
.sebang-card-name {
  font-family: 'Outfit', sans-serif;
  font-size: 17px; font-weight: 800;
  color: var(--sec-navy); margin: 0 0 4px; line-height: 1.25;
}
.sebang-card-positioning { font-size: 12px; color: var(--sec-muted); font-style: italic; margin-bottom: 10px; }
.sebang-card-specs { font-size: 12px; color: var(--sec-text); line-height: 1.75; margin-bottom: 10px; }
.sebang-card-specs b { color: var(--sec-muted); font-weight: 600; }
.sebang-card-variant-count {
  display: inline-block;
  background: #EFF6FB; color: var(--sec-navy);
  border: 1px solid #3B82B6; border-radius: 20px;
  padding: 3px 10px; font-size: 11px; font-weight: 700; margin-bottom: 14px;
}

/* ── Card actions ────────────────────────────────────────────────────────── */
.sebang-card-actions { margin-top: auto; display: flex; gap: 8px; }
.sec-btn {
  flex: 1; padding: 9px 12px; border: none; border-radius: 7px;
  font-size: 13px; font-weight: 700; cursor: pointer;
  text-align: center; text-decoration: none; transition: .12s;
  display: inline-flex; align-items: center; justify-content: center; gap: 5px;
}
.sec-btn-details { background: #f1f5f9; color: var(--sec-navy); border: 1px solid #cbd5e1; }
.sec-btn-details:hover { background: #e2e8f0; }
.sec-btn-wa { background: #22c55e; color: #fff; }
.sec-btn-wa:hover { background: #16a34a; }

/* ── Empty state ─────────────────────────────────────────────────────────── */
.sebang-empty-state { text-align: center; padding: 48px 20px; color: var(--sec-muted); font-size: 15px; display: none; }
.sebang-empty-state.visible { display: block; }

/* ── Drawer backdrop ─────────────────────────────────────────────────────── */
.sebang-drawer-backdrop {
  display: none; position: fixed; inset: 0;
  background: rgba(13,27,42,.65); z-index: 1100; backdrop-filter: blur(3px);
}
.sebang-drawer-backdrop.open { display: block; }

/* ── Drawer ──────────────────────────────────────────────────────────────── */
.sebang-drawer {
  position: fixed; top: 0; right: -100%;
  width: min(680px, 100vw); height: 100%;
  background: #fff; z-index: 1101; overflow-y: auto;
  box-shadow: -8px 0 40px -4px rgba(0,0,0,.25);
  transition: right .28s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
}
.sebang-drawer.open { right: 0; }

.sebang-drawer-header {
  position: sticky; top: 0;
  background: var(--sec-navy); color: #fff;
  padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  z-index: 2; flex-shrink: 0;
  border-bottom: 2px solid var(--sec-blue-primary);
}
.sebang-drawer-header h2 {
  font-family: 'Outfit', sans-serif; font-size: 18px; font-weight: 900;
  margin: 0; line-height: 1.2; color: #fff;
}
.sebang-drawer-close {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.15); border: none; border-radius: 50%;
  color: #fff; font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .12s;
}
.sebang-drawer-close:hover { background: rgba(22,58,95,.8); }
.sebang-drawer-body { padding: 20px; flex: 1; }

/* ── Drawer image ────────────────────────────────────────────────────────── */
.sebang-drawer-img-wrap {
  background: #ffffff; border: 1px solid var(--sec-border);
  border-radius: var(--sec-radius); height: 220px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; margin-bottom: 20px;
}
.sebang-drawer-img-wrap img { max-width: 100%; max-height: 100%; object-fit: contain; padding: 12px; }

/* ── Drawer meta ─────────────────────────────────────────────────────────── */
.sebang-drawer-meta-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px 20px; margin-bottom: 18px; font-size: 13.5px;
}
.sebang-drawer-meta-item label {
  display: block; font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px;
  color: var(--sec-muted); margin-bottom: 2px;
}
.sebang-drawer-meta-item span { color: var(--sec-text); font-weight: 600; }

/* ── Section label ───────────────────────────────────────────────────────── */
.sec-section-label {
  font-size: 11px; font-weight: 800;
  text-transform: uppercase; letter-spacing: .6px; color: var(--sec-amber);
  margin: 20px 0 10px; padding-bottom: 5px; border-bottom: 1px solid #fde68a;
}

/* ── Availability notice ─────────────────────────────────────────────────── */
.sebang-drawer-avail {
  background: #fffbeb; border: 1px solid #fde68a;
  border-radius: 7px; padding: 10px 14px;
  font-size: 13px; color: var(--sec-amber); margin-bottom: 18px;
}

/* ── Table search ────────────────────────────────────────────────────────── */
.sebang-table-search-wrap { margin-bottom: 10px; }
.sebang-table-search-wrap input {
  width: 100%; padding: 8px 12px;
  border: 1px solid var(--sec-border); border-radius: 7px; font-size: 13px; outline: none;
}
.sebang-table-search-wrap input:focus { border-color: var(--sec-blue-primary); box-shadow: 0 0 0 3px rgba(22,58,95,.12); }

/* ── Variant table ───────────────────────────────────────────────────────── */
.sebang-variant-table-wrap { overflow-x: auto; border: 1px solid var(--sec-border); border-radius: var(--sec-radius); margin-bottom: 12px; }
.sebang-variant-table { width: 100%; border-collapse: collapse; font-size: 12px; text-align: left; min-width: 700px; }
.sebang-variant-table thead th {
  background: #1e293b; color: #f8fafc;
  font-weight: 700; font-size: 10.5px; text-transform: uppercase; letter-spacing: .4px;
  padding: 9px 10px; border-bottom: 2px solid var(--sec-border); white-space: nowrap;
}
.sebang-variant-table tbody tr { border-bottom: 1px solid #f1f5f9; cursor: pointer; transition: background .09s; }
.sebang-variant-table tbody tr:last-child { border-bottom: none; }
.sebang-variant-table tbody tr:hover { background: #EFF6FB; }
.sebang-variant-table tbody tr.selected { background: #3B82B6; }
.sebang-variant-table tbody tr.selected td:first-child { border-left: 3px solid var(--sec-blue-primary); }
.sebang-variant-table tbody tr[data-hidden="true"] { display: none; }
.sebang-variant-table td { padding: 7px 10px; color: var(--sec-text); white-space: nowrap; }
.sebang-variant-table td.sec-null { color: #cbd5e1; font-style: italic; }

/* ── Show more ───────────────────────────────────────────────────────────── */
.sebang-show-more-wrap { text-align: center; margin-top: 8px; }
.sebang-show-more-btn {
  padding: 7px 20px; background: #EFF6FB; border: 1px solid #3B82B6;
  border-radius: 20px; font-size: 12px; font-weight: 700; color: var(--sec-navy);
  cursor: pointer; transition: .12s;
}
.sebang-show-more-btn:hover { background: #3B82B6; }

/* ── WA button ───────────────────────────────────────────────────────────── */
.sebang-drawer-wa-btn {
  display: block; width: 100%; padding: 13px;
  background: #22c55e; color: #fff; border-radius: 9px;
  font-size: 14px; font-weight: 800; text-align: center; text-decoration: none;
  margin-top: 20px; transition: background .12s;
}
.sebang-drawer-wa-btn:hover { background: #16a34a; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sebang-category-tabs { overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; padding-bottom: 2px; }
  .sebang-category-tabs::-webkit-scrollbar { display: none; }
  .sebang-tab-btn { flex-shrink: 0; font-size: 13px; padding: 9px 15px; }
  .sebang-filter-group { min-width: 120px; max-width: 100%; flex: 1 1 calc(50% - 10px); }
  .sebang-filter-group.wide { max-width: 100%; flex: 1 1 100%; }
  .sebang-series-grid { grid-template-columns: 1fr; }
  .sebang-drawer { width: 100vw; }
  .sebang-drawer-meta-grid { grid-template-columns: 1fr; }
  .sebang-stat-card { min-width: 0; flex: 1 1 calc(50% - 8px); }
}
@media (max-width: 480px) {
  .sebang-collection-heading { font-size: 21px; }
  .sebang-stat-card { flex: 1 1 100%; }
  .sebang-category-banner-title { font-size: 16px; }
  .sebang-cat-pill { display: none; }
  .sebang-card-actions { flex-direction: column; }
  .sec-btn { flex: unset; width: 100%; }
}