/* ════════════════════════════════════════
   css/category-page.css
   Split-view Category Page Overlay
════════════════════════════════════════ */

/* ── Full-screen overlay ─────────────── */
#category-page {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: var(--bg, #f5f5f5);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
  will-change: transform;
}

#category-page.active {
  transform: translateX(0);
}

/* ── Header ──────────────────────────── */
.cp-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface, #fff);
  border-bottom: 1px solid var(--border, #e0e0e0);
  flex-shrink: 0;
}

.cp-back-btn {
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  color: var(--text, #222);
  border-radius: 50%;
  transition: background 0.15s;
}

.cp-back-btn:active { background: var(--hover, #f0f0f0); }

.cp-header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text, #222);
  flex: 1;
}

.cp-header-count {
  font-size: 13px;
  color: var(--tmut, #888);
  font-weight: 500;
}

/* ── Body: left + right ──────────────── */
.cp-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── LEFT: category tiles ────────────── */
#cp-cats {
  width: 90px;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--surface, #fff);
  border-right: 1px solid var(--border, #e0e0e0);
  padding: 8px 0;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* Hide scrollbar */
#cp-cats::-webkit-scrollbar { display: none; }
#cp-cats { scrollbar-width: none; }

/* ── Category tile button ────────────── */
.cp-cat-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 10px 6px;
  background: none;
  border: none;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.15s, border-color 0.15s;
  position: relative;
}

.cp-cat-tile:active {
  background: var(--hover, #f5f5f5);
}

.cp-cat-tile.active {
  background: var(--g1-light, #e8f5e9);
  border-left-color: var(--g2, #4caf50);
}

.cp-cat-img-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface2, #f0f0f0);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 5px;
}

.cp-cat-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cp-cat-emoji {
  font-size: 24px;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cp-cat-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--tmut, #777);
  text-align: center;
  line-height: 1.2;
  word-break: break-word;
}

.cp-cat-tile.active .cp-cat-label {
  color: var(--g2, #4caf50);
}

/* ── RIGHT: products ─────────────────── */
#cp-products {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 8px 80px;
  background: var(--bg, #f5f5f5);
  -webkit-overflow-scrolling: touch;
}

/* ── 2-column grid ───────────────────── */
.cp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

/* Empty state */
.cp-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--tmut, #999);
  font-size: 15px;
}