/* ===================================================================
   DecorKimVinh — "Tự Trang Trí Cây Thông" builder
   Dùng chung biến CSS / quy ước BEM của css/style.css
   =================================================================== */

/* ---------- Intro ---------- */
.dkv-intro { padding: 56px 0 8px; text-align: center; }
.dkv-intro__eyebrow { color: var(--color-primary); font-weight: 700; font-size: 13px; letter-spacing: 1px; margin-bottom: 14px; }
.dkv-intro h1 { font-family: var(--font-display); font-size: clamp(30px, 4.5vw, 46px); color: var(--color-secondary-dark); margin-bottom: 16px; }
.dkv-intro p { color: var(--color-gray); max-width: 640px; margin: 0 auto; font-size: 16px; }

/* ---------- Step 1: tree picker ---------- */
.dkv-tree-picker { padding: 50px 0; }
/* flex + overflow-x thay vì CSS grid — có hơn 3 cây KHÔNG xuống hàng, thay
   vào đó lướt ngang (chạm/kéo chuột/lăn chuột, xem IIFE cuộn ngang trong
   js/tree-builder.js). flex-basis tính theo % khung chứa (không phụ thuộc
   số lượng thẻ thực tế) nên 3 thẻ đầu vẫn to bằng đúng lưới 3 cột cũ, thẻ
   thứ 4 trở đi tự tràn ra ngoài và cuộn được thay vì bị bóp nhỏ lại. */
.dkv-tree-picker__grid {
  display: flex; gap: 24px;
  overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 10px; /* chừa chỗ thanh cuộn, không đè lên thẻ */
  cursor: grab;
}
.dkv-tree-picker__grid.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.dkv-tree-picker__grid::-webkit-scrollbar { height: 8px; }
.dkv-tree-picker__grid::-webkit-scrollbar-thumb { background: var(--color-cream-dark); border-radius: var(--radius-full); }

/* Gợi ý "còn cây khác" khi lướt ngang — mũi tên bấm được + dải mờ 2 bên,
   chỉ hiện khi thật sự còn nội dung ngoài khung nhìn (class can-scroll-left/
   -right do JS toggle theo scrollLeft thực tế, xem js/tree-builder.js).
   Không hiện gì nếu ≤3 cây (không tràn ngang, không có gì để lướt). */
.dkv-tree-picker__scroller { position: relative; }
.dkv-tree-picker__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-white); box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; line-height: 1; color: var(--color-secondary-dark); font-weight: 700;
  border: none; cursor: pointer; z-index: 5;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--transition), background var(--transition), color var(--transition);
}
.dkv-tree-picker__nav:hover { background: var(--color-primary); color: var(--color-white); }
.dkv-tree-picker__nav--prev { left: -8px; }
.dkv-tree-picker__nav--next { right: -8px; }
.dkv-tree-picker__scroller.can-scroll-left .dkv-tree-picker__nav--prev,
.dkv-tree-picker__scroller.can-scroll-right .dkv-tree-picker__nav--next {
  opacity: 1; visibility: visible; pointer-events: auto;
}
.dkv-tree-picker__scroller::before, .dkv-tree-picker__scroller::after {
  content: ''; position: absolute; top: 0; bottom: 10px; width: 56px;
  z-index: 4; pointer-events: none; opacity: 0; transition: opacity var(--transition);
}
.dkv-tree-picker__scroller::before { left: 0; background: linear-gradient(90deg, var(--color-cream), transparent); }
.dkv-tree-picker__scroller::after { right: 0; background: linear-gradient(270deg, var(--color-cream), transparent); }
.dkv-tree-picker__scroller.can-scroll-left::before { opacity: 1; }
.dkv-tree-picker__scroller.can-scroll-right::after { opacity: 1; }
@media (max-width: 640px) {
  .dkv-tree-picker__nav { width: 36px; height: 36px; font-size: 17px; }
  .dkv-tree-picker__nav--prev { left: 2px; }
  .dkv-tree-picker__nav--next { right: 2px; }
}
.dkv-tree-card {
  flex: 0 0 calc((100% - 24px * 2) / 3);
  scroll-snap-align: start;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.dkv-tree-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.dkv-tree-card.is-selected { border-color: var(--color-primary); }
.dkv-tree-card__media {
  position: relative;
  aspect-ratio: 1/1;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  overflow: hidden;
  background: linear-gradient(160deg, #DCEEDF, #A9D2B3);
}
.dkv-tree-card__media--2 { background: linear-gradient(160deg, #E1EEDA, #AECF9C); }
.dkv-tree-card__media--3 { background: linear-gradient(160deg, #FBEFC6, #EBCF6B); }
.dkv-tree-card__emoji { font-size: 72px; filter: drop-shadow(0 10px 14px rgba(0,0,0,0.18)); }
.dkv-tree-card__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.dkv-empty { grid-column: 1 / -1; color: var(--color-gray); text-align: center; padding: 24px; font-size: 14px; }
.dkv-tree-card__check {
  position: absolute; top: 10px; right: 10px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--color-primary); color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; opacity: 0; transform: scale(0.6);
  transition: all var(--transition);
}
.dkv-tree-card.is-selected .dkv-tree-card__check { opacity: 1; transform: scale(1); }
.dkv-tree-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.dkv-tree-card .price { color: var(--color-primary); font-weight: 700; font-size: 16px; }

/* ---------- Step 2: builder workspace ---------- */
.dkv-builder { padding: 10px 0 90px; }
.dkv-builder__inner { display: grid; grid-template-columns: 240px 1fr 280px; gap: 24px; align-items: start; }

.dkv-palette { background: var(--color-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 18px; position: sticky; top: calc(var(--desktop-mini-header-h) + 24px); }
.dkv-palette h4 { font-size: 14px; color: var(--color-secondary-dark); margin-bottom: 12px; }
.dkv-palette__tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.dkv-palette__tab {
  padding: 7px 14px; border-radius: var(--radius-full);
  font-size: 12px; font-weight: 600; color: var(--color-gray);
  background: var(--color-cream); border: 2px solid transparent;
  transition: all var(--transition);
}
.dkv-palette__tab:hover { color: var(--color-primary); }
.dkv-palette__tab.active { background: var(--color-secondary); color: var(--color-white); }

/* Thanh lọc theo màu (vd Quả Châu/Sao đỉnh) — chỉ hiện khi tab đang xem có
   phụ kiện đã khai field "color" trong admin, xem renderColorFilterBar()
   trong js/tree-builder.js. */
.dkv-palette__colors { display: none; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.dkv-palette__colors.show { display: flex; }
.dkv-palette__color {
  padding: 5px 12px; border-radius: var(--radius-full);
  font-size: 11.5px; font-weight: 600; color: var(--color-gray);
  background: var(--color-cream); border: 2px solid transparent;
  transition: all var(--transition);
}
.dkv-palette__color:hover { border-color: var(--color-gold); }
.dkv-palette__color.active { background: var(--color-primary); color: var(--color-white); }

.dkv-palette-item--color-hidden { display: none !important; }

.dkv-palette__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.dkv-accessory {
  background: var(--color-cream);
  border-radius: var(--radius-sm);
  padding: 10px 8px;
  text-align: center;
  cursor: grab;
  border: 2px solid transparent;
  transition: all var(--transition);
  touch-action: none;
  user-select: none;
}
.dkv-accessory:hover { border-color: var(--color-gold); }
.dkv-accessory.is-armed { border-color: var(--color-primary); background: var(--color-cream-dark); box-shadow: var(--shadow-sm); }
.dkv-accessory__emoji { font-size: 30px; display: block; margin-bottom: 6px; }
/* Wrapper cắt (overflow:hidden) cho ảnh đại diện — cần thiết vì admin có
   thể phóng to ảnh qua transform:scale() (thumbScale, xem
   admin/decor-accessory-form.php "Căn chỉnh ảnh đại diện"), phần ảnh vượt
   khung phải bị cắt thay vì tràn ra ngoài. object-position/transform set
   inline theo thumbPosX/thumbPosY/thumbScale của từng phụ kiện. */
.dkv-accessory__img-wrap { width: 44px; height: 44px; border-radius: var(--radius-sm); overflow: hidden; margin: 0 auto 6px; }
.dkv-accessory__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dkv-accessory__name { font-size: 11.5px; font-weight: 600; display: block; margin-bottom: 2px; line-height: 1.3; }
.dkv-accessory__price { font-size: 11px; color: var(--color-primary); font-weight: 700; }
.dkv-accessory--offscale { opacity: 0.55; }
.dkv-accessory__badge {
  display: block; font-size: 10px; font-weight: 600; color: var(--color-primary);
  margin-top: 2px;
}
/* Set nhiều kiểu (1 phụ kiện set tách thành nhiều thẻ, mỗi thẻ 1 kiểu — xem
   accessory.pieces trong js/tree-builder.js#renderPaletteGrid()) */
.dkv-accessory__piece-count { display: block; font-size: 10px; color: var(--color-gray); margin-top: 2px; }
.dkv-accessory--exhausted { opacity: 0.4; cursor: not-allowed; }
.dkv-accessory--exhausted .dkv-accessory__piece-count { color: var(--color-primary); font-weight: 700; }

/* Dải swatch chọn kiểu NẰM TRONG thẻ set nhiều kiểu (thay vì tách mỗi kiểu
   thành 1 thẻ riêng ngoài lưới — xem renderPaletteGrid()/getSelectedPieceIndex()
   trong js/tree-builder.js) */
.dkv-accessory__swatches { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; margin-top: 6px; }
.dkv-accessory__swatch {
  width: 20px; height: 20px; border-radius: 5px; padding: 0;
  background-size: cover; background-position: center;
  border: 2px solid var(--color-white); box-shadow: 0 0 0 1px rgba(0,0,0,0.12);
  cursor: pointer; flex-shrink: 0;
}
.dkv-accessory__swatch.active { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }
.dkv-accessory__swatch.is-exhausted { opacity: 0.35; cursor: not-allowed; }

/* Phụ kiện "lớp phủ quấn quanh cây" (kind='wrap' — dây đèn/ruy băng/dây
   chồn/kim tuyến) — ảnh minh hoạ RIÊNG cho từng cây (state.tree.wrapOptions),
   nằm NGOÀI hệ thống tab/lưới phụ kiện thường, xem #dkvWrapOptions và
   renderWrapOptionsSection() trong js/tree-builder.js. */
.dkv-wrap-options { display: none; margin-bottom: 16px; }
.dkv-wrap-options.show { display: block; }
.dkv-wrap-options__title { font-size: 13px; font-weight: 700; color: var(--color-secondary-dark); margin-bottom: 10px; }
.dkv-wrap-panel {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--color-cream); border-radius: var(--radius-sm);
  padding: 12px; border: 2px solid transparent;
  margin-bottom: 10px;
}
.dkv-wrap-panel:last-child { margin-bottom: 0; }
.dkv-wrap-panel__img-wrap { width: 56px; height: 56px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
.dkv-wrap-panel__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dkv-wrap-panel__body { flex: 1; min-width: 0; }
.dkv-wrap-panel__name { display: block; font-size: 12.5px; font-weight: 600; }
.dkv-wrap-panel__price { display: block; font-size: 11px; color: var(--color-primary); font-weight: 700; margin-bottom: 8px; }
.dkv-wrap-panel__length { color: var(--color-gray); font-weight: 500; }
.dkv-wrap-panel__options { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.dkv-wrap-panel__option {
  min-height: 40px; padding: 7px 12px; border-radius: var(--radius-full);
  font-size: 11.5px; font-weight: 600; color: var(--color-gray);
  background: var(--color-white); border: 2px solid transparent;
  transition: all var(--transition);
}
.dkv-wrap-panel__option:hover { border-color: var(--color-gold); }
.dkv-wrap-panel__option:focus-visible { outline: 2px solid var(--color-secondary-dark); outline-offset: 2px; }
/* Mức đang chọn: KHÔNG chỉ dựa vào màu nền — thêm dấu ✓ (nối trong JS) +
   viền đậm để phân biệt được kể cả khi không phân biệt được màu sắc. */
.dkv-wrap-panel__option.active { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); font-weight: 700; }
.dkv-wrap-panel__option:disabled { opacity: 0.5; cursor: not-allowed; }
.dkv-wrap-panel__badge { font-size: 10px; opacity: 0.85; }
.dkv-wrap-panel__lock { font-size: 12px; color: var(--color-gray); font-style: italic; }
.dkv-wrap-panel__explain { font-size: 12px; color: var(--color-secondary-dark); font-weight: 600; margin-bottom: 6px; }
.dkv-wrap-panel__stepper { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.dkv-wrap-panel__step {
  width: 40px; height: 40px; min-width: 40px; border-radius: 50%;
  background: var(--color-white); border: 2px solid var(--color-cream-dark);
  font-size: 18px; font-weight: 700; color: var(--color-secondary-dark);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.dkv-wrap-panel__step:hover { border-color: var(--color-primary); color: var(--color-primary); }
.dkv-wrap-panel__step:focus-visible { outline: 2px solid var(--color-secondary-dark); outline-offset: 2px; }
.dkv-wrap-panel__step:disabled { opacity: 0.4; cursor: not-allowed; }
.dkv-wrap-panel__qty { font-size: 15px; font-weight: 700; min-width: 24px; text-align: center; }
.dkv-wrap-panel__total { font-size: 12.5px; font-weight: 700; color: var(--color-primary); }

.dkv-canvas-wrap { display: flex; flex-direction: column; align-items: center; gap: 14px; }

/* Bộ chọn kích thước cây (khi 1 thẻ cây có nhiều size — xem
   js/tree-builder.js#renderSizePicker, dữ liệu sizes[] từ scripts/build-decor-data.js) */
.dkv-tree-sizes {
  display: none; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 8px; background: var(--color-white); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); padding: 12px 16px; width: 100%; max-width: 480px;
}
.dkv-tree-sizes.show { display: flex; }
.dkv-tree-sizes__label { font-size: 13px; font-weight: 700; color: var(--color-secondary-dark); margin-right: 4px; }
.dkv-tree-sizes__pill {
  padding: 7px 16px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 600; color: var(--color-gray);
  background: var(--color-cream); border: 2px solid transparent;
  transition: all var(--transition);
}
.dkv-tree-sizes__pill:hover { border-color: var(--color-gold); }
.dkv-tree-sizes__pill.active { background: var(--color-primary); color: var(--color-white); }

.dkv-armed-hint {
  display: none; align-items: center; gap: 10px;
  background: var(--color-secondary-dark); color: var(--color-white);
  padding: 10px 18px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 500; text-align: center;
}
.dkv-armed-hint.show { display: flex; }
.dkv-armed-hint button { color: var(--color-gold-light); font-weight: 700; text-decoration: underline; }

.dkv-canvas {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 4/5;
  background: linear-gradient(160deg, var(--color-cream), #E4D8BE 85%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.dkv-canvas__placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  color: var(--color-gray); text-align: center; padding: 24px;
}
.dkv-canvas__placeholder span { font-size: 46px; }
.dkv-canvas__tree {
  position: absolute; left: 50%; top: 53%;
  transform: translate(-50%, -50%);
  font-size: min(46vw, 220px);
  filter: drop-shadow(0 16px 22px rgba(0,0,0,0.18));
  pointer-events: none;
}
.dkv-canvas__tree-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 16px 22px rgba(0,0,0,0.18));
  pointer-events: none;
}
/* Cây thả tự do (không còn điểm treo cố định) — cursor gợi ý khi đang chọn
   1 phụ kiện chờ bấm đặt lên tán cây (xem armAccessory() trong js/tree-builder.js). */
.dkv-canvas.is-armed { cursor: crosshair; }

/* Lớp phủ "quấn quanh cây" (kind='wrap' — dây đèn/ruy băng/dây chồn/kim
   tuyến) — 1 ảnh minh hoạ đã quấn sẵn phủ đúng khung ảnh cây, bật/tắt qua
   state.wraps (xem renderWrapLayers() trong js/tree-builder.js). Left/top/
   width/height thật set inline bằng JS theo getTreeContentRect(); giá trị
   ở đây chỉ là fallback trước khi đo được khung ảnh chính xác. */
.dkv-canvas__wrap-layer {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  pointer-events: none;
}

.dkv-placement {
  position: absolute;
  transform: translate(-50%, -50%);
  display: flex; align-items: center; justify-content: center;
  cursor: grab;
  touch-action: none; /* cho kéo dời vị trí trên thiết bị cảm ứng — xem wirePlacementInteraction() trong js/tree-builder.js */
  overflow: visible; /* ảnh phụ kiện theo kích thước thật có thể lớn hơn khung */
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.25));
  transition: transform var(--transition);
}
.dkv-placement:hover { transform: translate(-50%, -50%) scale(1.12); }
/* Đang kéo dời — tắt transition để bám tay ngay lập tức, không giật. */
.dkv-placement.is-dragging { cursor: grabbing; transition: none; z-index: 20; }
.dkv-placement.is-invalid { opacity: 0.45; filter: grayscale(70%); }
/* width/height thật set inline bằng JS theo tỉ lệ (xem accessoryPxSize() trong js/tree-builder.js) */
.dkv-placement__img { object-fit: contain; display: block; pointer-events: none; }

.dkv-ghost {
  position: fixed;
  z-index: 999;
  pointer-events: none;
  font-size: 30px;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 8px 10px rgba(0,0,0,0.25));
  transition: opacity var(--transition), filter var(--transition);
}
/* width/height thật set inline bằng JS theo tỉ lệ (xem accessoryPxSize() trong js/tree-builder.js) */
.dkv-ghost img { object-fit: contain; display: block; }
/* Đang kéo ra ngoài vùng tán cây (đọc alpha channel ảnh cây — xem
   isPointOnTree() trong js/tree-builder.js) — làm mờ để báo không thả được. */
.dkv-ghost.is-invalid { opacity: 0.45; filter: grayscale(70%); }

.dkv-summary { background: var(--color-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 20px; position: sticky; top: calc(var(--desktop-mini-header-h) + 24px); }
.dkv-summary h3 { font-family: var(--font-display); font-size: 18px; color: var(--color-secondary-dark); margin-bottom: 14px; }
.dkv-summary__empty { font-size: 13px; color: var(--color-gray); text-align: center; padding: 20px 0; }
.dkv-summary__list { margin-bottom: 14px; max-height: 280px; overflow-y: auto; }
.dkv-summary__item { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; font-size: 13px; padding: 8px 0; border-bottom: 1px solid var(--color-cream-dark); }
.dkv-summary__item-name { font-weight: 600; }
.dkv-summary__item-qty { color: var(--color-gray); font-weight: 400; }
.dkv-summary__item-sub { color: var(--color-primary); font-weight: 700; white-space: nowrap; }
.dkv-summary__total { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; border-top: 2px solid var(--color-cream-dark); margin-bottom: 18px; }
.dkv-summary__total strong { font-family: var(--font-display); font-size: 22px; color: var(--color-primary); }
.dkv-summary__actions { display: flex; flex-direction: column; gap: 10px; }
.dkv-summary__actions .btn { width: 100%; }
.dkv-summary__actions .btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.dkv-summary__actions .btn[disabled]:hover { transform: none; background: var(--color-primary); }
.dkv-summary__reset { font-size: 12px; color: var(--color-gray); text-align: center; text-decoration: underline; }

/* ---------- Confirm modal ---------- */
.dkv-modal {
  position: fixed; inset: 0;
  background: rgba(36,26,20,0.6);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  z-index: 500;
  opacity: 0; visibility: hidden;
  transition: all var(--transition);
}
.dkv-modal.show { opacity: 1; visibility: visible; }
.dkv-modal__box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 480px; width: 100%; max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform var(--transition);
}
.dkv-modal.show .dkv-modal__box { transform: translateY(0); }
.dkv-modal__close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--color-cream);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--color-dark);
}
.dkv-modal h3 { font-family: var(--font-display); font-size: 22px; color: var(--color-secondary-dark); margin-bottom: 18px; text-align: center; }
.dkv-modal__canvas { display: block; width: 100%; border-radius: var(--radius-md); margin-bottom: 18px; background: var(--color-cream); }
.dkv-modal__list { margin-bottom: 6px; }
.dkv-modal__total { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-top: 2px solid var(--color-cream-dark); margin-bottom: 16px; }
.dkv-modal__total strong { color: var(--color-primary); font-family: var(--font-display); font-size: 22px; }
.dkv-modal details { margin-bottom: 16px; font-size: 12px; color: var(--color-gray); }
.dkv-modal details summary { cursor: pointer; font-weight: 600; }
.dkv-modal details pre { background: var(--color-cream); padding: 12px; border-radius: var(--radius-sm); overflow-x: auto; margin-top: 8px; font-size: 11px; white-space: pre-wrap; word-break: break-word; }
.dkv-modal .btn { width: 100%; }

/* ---------- Gợi ý bộ sản phẩm (theo tone màu / phong cách) ---------- */
.dkv-sets { padding: 20px 0 70px; }
.dkv-sets__tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 28px; flex-wrap: wrap; }
.dkv-sets__tab {
  padding: 9px 20px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 700; color: var(--color-gray);
  background: var(--color-cream); border: 2px solid transparent;
  transition: all var(--transition);
}
.dkv-sets__tab:hover { color: var(--color-primary); }
.dkv-sets__tab.active { background: var(--color-secondary); color: var(--color-white); }
.dkv-sets__panel { display: none; }
.dkv-sets__panel.active { display: block; }
.dkv-sets__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; }
.dkv-set-card {
  background: var(--color-white); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition);
}
.dkv-set-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.dkv-set-card__cover { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; background: var(--color-cream); }
.dkv-set-card__body { padding: 16px; }
.dkv-set-card__name { font-family: var(--font-display); font-size: 17px; color: var(--color-secondary-dark); margin-bottom: 4px; }
.dkv-set-card__tag { font-size: 12px; color: var(--color-primary); font-weight: 600; margin-bottom: 4px; }
.dkv-set-card__desc { font-size: 12.5px; color: var(--color-gray); margin-bottom: 12px; line-height: 1.5; }
.dkv-set-card__products { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.dkv-set-card__product { flex: 0 0 auto; width: 56px; text-align: center; }
.dkv-set-card__product img { width: 56px; height: 56px; object-fit: cover; border-radius: var(--radius-sm); display: block; margin-bottom: 4px; box-shadow: var(--shadow-sm); }
.dkv-set-card__product span { font-size: 10px; color: var(--color-gray); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dkv-sets__empty { text-align: center; color: var(--color-gray); padding: 40px 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .dkv-builder__inner { grid-template-columns: 200px 1fr 240px; gap: 18px; }
}

@media (max-width: 900px) {
  .dkv-builder__inner { display: flex; flex-direction: column; align-items: stretch; gap: 18px; }
  .dkv-canvas-wrap { order: 1; }
  .dkv-palette { order: 2; position: static; }
  .dkv-summary { order: 3; position: static; }
  .dkv-palette__grid { grid-template-columns: repeat(4, 1fr); }
  .dkv-canvas { max-width: 380px; }
}

@media (max-width: 640px) {
  /* Mobile: 1 thẻ gần đủ khung + hé 1 chút thẻ kế tiếp — gợi ý còn cây khác
     lướt sang phải, đúng pattern carousel quen thuộc trên di động. */
  .dkv-tree-card { flex-basis: 80%; }
  .dkv-palette__grid { grid-template-columns: repeat(3, 1fr); }
  .dkv-summary__list { max-height: 140px; }
  .dkv-sets__grid { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .dkv-palette__grid { grid-template-columns: repeat(2, 1fr); }
}