/**
 * 手串 DIY 模块样式。
 * 所有选择器均以 .bracelet-diy 开头，便于作为模块嵌入其他网页。
 */

/* ===== 设计变量与模块隔离：宿主只需挂载 bracelet-diy-host，无需污染全局样式。 ===== */
.bracelet-diy-host {
  --diy-ink: #17323a;
  --diy-ink-soft: #547078;
  --diy-porcelain: #f4f8f7;
  --diy-celadon: #dbeae6;
  --diy-ruby: #a93e4c;
  --diy-brass: #9a7748;
  --diy-line: rgba(35, 68, 76, 0.15);
  color: var(--diy-ink);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
}

.bracelet-diy-host *,
.bracelet-diy-host *::before,
.bracelet-diy-host *::after {
  box-sizing: border-box;
}

.bracelet-diy {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--diy-line);
  background:
    linear-gradient(90deg, transparent 49.94%, rgba(33, 71, 78, 0.045) 50%, transparent 50.06%),
    #eef5f3;
  transition: background 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ===== 页头、编辑工作区、珠盘画布与操作工具栏。 ===== */
.bracelet-diy__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  min-height: 112px;
  padding: 24px clamp(22px, 4vw, 52px) 20px;
  border-bottom: 1px solid var(--diy-line);
}

.bracelet-diy__eyebrow,
.bracelet-diy__stage-copy,
.bracelet-diy__library-head > div > span,
.bracelet-diy__preview-copy > span {
  margin: 0 0 6px;
  color: var(--diy-brass);
  font: 700 10px/1.2 Consolas, monospace;
  letter-spacing: 0.19em;
}

.bracelet-diy__title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.055em;
}

.bracelet-diy__readout {
  display: flex;
  gap: 8px;
}

.bracelet-diy__readout span {
  min-width: 92px;
  padding: 10px 13px;
  border-left: 2px solid var(--diy-ruby);
  background: rgba(255, 255, 255, 0.52);
  color: var(--diy-ink-soft);
  font-size: 12px;
}

.bracelet-diy__readout strong {
  color: var(--diy-ink);
  font: 700 18px/1 Consolas, monospace;
}

.bracelet-diy__workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 460px);
  min-height: 690px;
}

.bracelet-diy__stage-panel {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  padding: 18px clamp(18px, 3vw, 42px) 24px;
}

.bracelet-diy__stage-copy {
  display: flex;
  width: 100%;
  justify-content: space-between;
  margin-bottom: 4px;
}

.bracelet-diy__stage-copy span:last-child {
  color: var(--diy-ink-soft);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  letter-spacing: 0;
}

/* 珠盘切换器使用真实材质样片，且由配置数组驱动，后续数量增加时横向滚动。 */
.bracelet-diy__tray-switcher {
  width: min(100%, 590px);
  margin: 2px 0 8px;
  padding: 8px 0 10px;
  border-top: 1px solid var(--diy-line);
  border-bottom: 1px solid var(--diy-line);
}

.bracelet-diy__tray-switcher-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
}

.bracelet-diy__tray-switcher-head > span {
  color: var(--diy-ink-soft);
  font-size: 12px;
}

.bracelet-diy__tray-switcher-head > strong {
  overflow: hidden;
  color: var(--diy-ink);
  font-size: 12px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bracelet-diy__tray-options {
  display: flex;
  gap: 6px;
  width: 100%;
  overflow-x: auto;
  padding: 1px 1px 4px;
  scrollbar-color: rgba(84, 112, 120, 0.36) transparent;
  scrollbar-width: thin;
}

.bracelet-diy .bracelet-diy__tray-option {
  position: relative;
  display: flex;
  min-width: 76px;
  min-height: 58px;
  flex: 1 0 76px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 6px 8px;
  border-color: transparent;
  background: rgba(255, 255, 255, 0.36);
  color: var(--diy-ink-soft);
}

.bracelet-diy .bracelet-diy__tray-option::after {
  position: absolute;
  right: 8px;
  bottom: -1px;
  left: 8px;
  height: 2px;
  background: var(--diy-ruby);
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity 160ms ease, transform 160ms ease;
}

.bracelet-diy .bracelet-diy__tray-option.is-active {
  border-color: rgba(31, 69, 77, 0.24);
  background: rgba(255, 255, 255, 0.9);
  color: var(--diy-ink);
}

.bracelet-diy .bracelet-diy__tray-option.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.bracelet-diy__tray-swatch {
  position: relative;
  width: 34px;
  height: 34px;
  overflow: hidden;
  flex: 0 0 34px;
  border: 1px solid rgba(31, 69, 77, 0.2);
  border-radius: 50%;
  background: #e4edeb;
}

.bracelet-diy__tray-swatch img {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  transform:
    translate(-50%, -50%)
    scale(var(--diy-tray-thumb-scale, 1.2));
}

.bracelet-diy__tray-option-label {
  overflow: hidden;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bracelet-diy__canvas-wrap {
  position: relative;
  width: min(100%, 590px);
  aspect-ratio: 1;
  transform-origin: center center;
  transition:
    transform 0.72s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.2s ease-out,
    filter 0.72s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity, filter;
}

.bracelet-diy__canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
  user-select: none;
}

.bracelet-diy__canvas:active {
  cursor: grabbing;
}

.bracelet-diy__toolbar {
  display: flex;
  width: min(100%, 590px);
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--diy-line);
}

.bracelet-diy button {
  min-height: 42px;
  border: 1px solid rgba(31, 69, 77, 0.22);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--diy-ink);
  font: 600 13px/1 Inter, "Helvetica Neue", Arial, sans-serif;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.bracelet-diy button:hover:not(:disabled) {
  border-color: rgba(31, 69, 77, 0.52);
  background: #fff;
  transform: translateY(-1px);
}

.bracelet-diy button:focus-visible {
  outline: 3px solid rgba(169, 62, 76, 0.3);
  outline-offset: 2px;
}

.bracelet-diy button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.bracelet-diy__toolbar button {
  flex: 1 1 96px;
  padding: 0 16px;
}

.bracelet-diy .bracelet-diy__primary {
  border-color: var(--diy-ink);
  background: var(--diy-ink);
  color: #fff;
}

.bracelet-diy__status {
  min-height: 20px;
  margin: 11px 0 0;
  color: var(--diy-ink-soft);
  font-size: 12px;
}

.bracelet-diy__status[data-tone="error"] {
  color: var(--diy-ruby);
}

/* ===== 两级素材库：顶部大分类、左侧细分类和右侧素材卡片。 ===== */
.bracelet-diy__library {
  min-width: 0;
  border-left: 1px solid var(--diy-line);
  background: rgba(248, 251, 250, 0.75);
}

.bracelet-diy__main-categories {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-bottom: 1px solid var(--diy-line);
  background: rgba(255, 255, 255, 0.38);
}

.bracelet-diy .bracelet-diy__main-category {
  position: relative;
  min-width: 0;
  min-height: 52px;
  padding: 0 5px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #77827f;
  font-size: 14px;
}

.bracelet-diy .bracelet-diy__main-category::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 28px;
  height: 3px;
  border-radius: 99px;
  background: transparent;
  content: "";
  transform: translateX(-50%);
}

.bracelet-diy .bracelet-diy__main-category.is-active {
  color: var(--diy-ink);
  background: rgba(255, 255, 255, 0.62);
}

.bracelet-diy .bracelet-diy__main-category.is-active::before {
  background: var(--diy-ruby);
}

.bracelet-diy__material-browser {
  display: grid;
  min-height: 0;
  grid-template-columns: 104px minmax(0, 1fr);
}

.bracelet-diy__sub-categories {
  max-height: 625px;
  overflow: auto;
  border-right: 1px solid var(--diy-line);
  background: rgba(249, 251, 250, 0.88);
  scrollbar-width: thin;
}

.bracelet-diy .bracelet-diy__sub-category {
  position: relative;
  width: 100%;
  min-height: 54px;
  padding: 8px 10px 8px 18px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #7b8885;
  text-align: left;
}

.bracelet-diy .bracelet-diy__sub-category.is-active {
  background: #fff;
  color: var(--diy-ink);
}

.bracelet-diy .bracelet-diy__sub-category.is-active::before {
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 0;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--diy-ruby);
  content: "";
}

.bracelet-diy__library-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 24px 20px 18px;
  border-bottom: 1px solid var(--diy-line);
}

.bracelet-diy__library-head h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  font-weight: 600;
}

.bracelet-diy__library-head small {
  color: var(--diy-ink-soft);
  font: 600 12px/1 Consolas, monospace;
}

.bracelet-diy__material-grid {
  display: grid;
  max-height: 625px;
  align-content: start;
  grid-auto-rows: 132px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: auto;
  background: var(--diy-line);
  scrollbar-color: var(--diy-brass) transparent;
  scrollbar-width: thin;
}

.bracelet-diy .bracelet-diy__material {
  display: grid;
  min-width: 0;
  height: auto;
  min-height: 112px;
  place-items: center;
  gap: 4px;
  padding: 10px 5px 8px;
  border: 0;
  border-radius: 0;
  background: #f5f9f8;
}

.bracelet-diy__material img {
  display: block;
  width: 72px;
  max-width: 92%;
  aspect-ratio: 1;
  object-fit: contain;
  transition: transform 180ms ease;
}

.bracelet-diy__material:hover img {
  transform: scale(1.08) rotate(2deg);
}

.bracelet-diy__material strong {
  max-width: 100%;
  overflow: hidden;
  color: var(--diy-ink);
  font-size: 12px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bracelet-diy__material small {
  color: var(--diy-ink-soft);
  font: italic 9px/1.2 Consolas, monospace;
}

.bracelet-diy__material-empty {
  grid-column: 1 / -1;
  min-height: 280px;
  padding: 54px 24px;
  background: #f5f9f8;
  color: var(--diy-ink-soft);
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}

/* ===== 编辑态与成品态共享的遮罩、品牌文案和 FLIP 过渡层。 ===== */
.bracelet-diy__preview-copy,
.bracelet-diy__preview-exit {
  display: none;
}

.bracelet-diy__transition-veil {
  position: absolute;
  z-index: 8;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: #faf9f6;
  transform: scale(1);
  transform-origin: center;
  transition:
    opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

.bracelet-diy[data-transition="preview-invert"] .bracelet-diy__transition-veil,
.bracelet-diy[data-transition="edit-invert"] .bracelet-diy__transition-veil {
  opacity: 0.22;
  transform: scale(0.98);
  transition: none;
}

.bracelet-diy[data-transition="preview-settle"] .bracelet-diy__transition-veil,
.bracelet-diy[data-transition="edit-settle"] .bracelet-diy__transition-veil {
  opacity: 0;
  transform: scale(1.04);
}

/* 成品展示是同一模块的第二种状态，不创建另一套珠子数据。 */
.bracelet-diy[data-mode="preview"] {
  position: relative;
  height: max(720px, 100svh);
  min-height: 0;
  border-color: transparent;
  background: #faf9f6;
  box-shadow: none;
}

.bracelet-diy[data-mode="preview"] .bracelet-diy__header,
.bracelet-diy[data-mode="preview"] .bracelet-diy__library,
.bracelet-diy[data-mode="preview"] .bracelet-diy__stage-copy,
.bracelet-diy[data-mode="preview"] .bracelet-diy__tray-switcher,
.bracelet-diy[data-mode="preview"] .bracelet-diy__toolbar,
.bracelet-diy[data-mode="preview"] .bracelet-diy__status {
  display: none;
}

.bracelet-diy[data-mode="preview"] .bracelet-diy__workspace {
  display: block;
  height: 100%;
  min-height: 0;
}

.bracelet-diy[data-mode="preview"] .bracelet-diy__stage-panel {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0 auto;
  padding: 0;
}

.bracelet-diy[data-mode="preview"] .bracelet-diy__canvas-wrap {
  position: absolute;
  z-index: 1;
  top: 56%;
  bottom: auto;
  left: 50%;
  width: min(148vw, 1180px);
  max-width: none;
  translate: -50% -37.8%;
}

.bracelet-diy[data-mode="preview"] .bracelet-diy__canvas {
  /* 成品模式不再接管触摸拖拽，让宿主网页可以正常上下滑动。 */
  touch-action: pan-y;
  cursor: default;
}

.bracelet-diy[data-mode="preview"] .bracelet-diy__preview-copy,
.bracelet-diy[data-transition="edit-invert"] .bracelet-diy__preview-copy,
.bracelet-diy[data-transition="edit-settle"] .bracelet-diy__preview-copy {
  position: absolute;
  top: clamp(30px, 6svh, 64px);
  left: clamp(24px, 5vw, 56px);
  z-index: 3;
  display: flex;
  max-width: min(62%, 510px);
  flex-direction: column;
  align-items: flex-start;
  pointer-events: none;
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.36s ease-out 0.16s,
    transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

/*
 * 成品模式 FLIP 过渡：invert 阶段保持旧布局的视觉位置，
 * settle 阶段回到新布局。720ms 曲线让大幅海报构图变化更连贯。
 */
.bracelet-diy[data-transition="preview-invert"] .bracelet-diy__canvas-wrap,
.bracelet-diy[data-transition="edit-invert"] .bracelet-diy__canvas-wrap {
  opacity: 0.72;
  filter: saturate(0.9) blur(0.2px);
  transform:
    translate3d(var(--diy-flip-x, 0), var(--diy-flip-y, 0), 0)
    scale(var(--diy-flip-scale, 1));
  transition: none;
}

.bracelet-diy[data-transition="preview-settle"] .bracelet-diy__canvas-wrap,
.bracelet-diy[data-transition="edit-settle"] .bracelet-diy__canvas-wrap {
  opacity: 1;
  filter: none;
  transform: translate3d(0, 0, 0) scale(1);
}

.bracelet-diy[data-transition="preview-invert"] .bracelet-diy__preview-copy {
  opacity: 0;
  transform: translateY(18px);
}

.bracelet-diy[data-transition="edit-settle"] .bracelet-diy__preview-copy {
  opacity: 0;
  transform: translateY(18px);
}

.bracelet-diy__preview-copy > span {
  margin: 0 0 7px;
  color: #464c50;
  font: italic 600 clamp(28px, 5vw, 46px)/0.92 Georgia, "Times New Roman", serif;
  letter-spacing: -0.055em;
}

.bracelet-diy__preview-copy strong {
  font-family: Georgia, "Times New Roman", serif;
  color: #242b2b;
  font-size: clamp(27px, 4.2vw, 42px);
  font-weight: 700;
  letter-spacing: -0.045em;
  white-space: nowrap;
}

.bracelet-diy__preview-copy small {
  margin-top: 9px;
  color: #858c89;
  font: 700 clamp(9px, 1.55vw, 13px)/1.3 Consolas, monospace;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.bracelet-diy__preview-copy i {
  display: block;
  width: 88px;
  height: 5px;
  margin-top: 18px;
  background: #819481;
}

.bracelet-diy[data-mode="preview"] .bracelet-diy__preview-exit,
.bracelet-diy[data-transition="edit-invert"] .bracelet-diy__preview-exit,
.bracelet-diy[data-transition="edit-settle"] .bracelet-diy__preview-exit {
  position: absolute;
  top: clamp(32px, 6svh, 66px);
  right: clamp(24px, 5vw, 56px);
  z-index: 4;
  display: block;
  min-width: 138px;
  padding: 0 22px;
  border-color: rgba(50, 55, 54, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  transition:
    opacity 0.3s ease-out 0.18s,
    transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

.bracelet-diy[data-transition="preview-invert"] .bracelet-diy__preview-exit,
.bracelet-diy[data-transition="edit-settle"] .bracelet-diy__preview-exit {
  opacity: 0;
  transform: translateY(12px);
}

/* ===== 响应式布局：横屏微调、平板单列、手机紧凑布局及减少动态效果。 ===== */
@media (min-aspect-ratio: 1 / 1) {
  .bracelet-diy[data-mode="preview"] .bracelet-diy__canvas-wrap {
    top: 62%;
  }
}

@media (max-width: 820px) {
  .bracelet-diy__header {
    align-items: start;
    flex-direction: column;
  }

  .bracelet-diy__workspace {
    grid-template-columns: 1fr;
  }

  .bracelet-diy__library {
    border-top: 1px solid var(--diy-line);
    border-left: 0;
  }

  .bracelet-diy__material-browser {
    grid-template-columns: 116px minmax(0, 1fr);
  }

  .bracelet-diy__sub-categories,
  .bracelet-diy__material-grid {
    max-height: 350px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .bracelet-diy__header {
    min-height: 0;
    padding: 20px 18px 16px;
  }

  .bracelet-diy__readout {
    width: 100%;
  }

  .bracelet-diy__readout span {
    flex: 1;
  }

  .bracelet-diy__stage-panel {
    padding: 14px 10px 20px;
  }

  .bracelet-diy[data-mode="preview"] .bracelet-diy__stage-panel {
    width: 100%;
    padding: 0;
  }

  .bracelet-diy[data-mode="preview"] .bracelet-diy__preview-copy,
  .bracelet-diy[data-transition="edit-invert"] .bracelet-diy__preview-copy,
  .bracelet-diy[data-transition="edit-settle"] .bracelet-diy__preview-copy {
    top: 24px;
    left: 20px;
    max-width: calc(100% - 40px);
  }

  .bracelet-diy__preview-copy > span {
    font-size: 29px;
  }

  .bracelet-diy__preview-copy strong {
    font-size: 26px;
  }

  .bracelet-diy__preview-copy small {
    max-width: 86vw;
    font-size: 9px;
    white-space: normal;
  }

  .bracelet-diy[data-mode="preview"] .bracelet-diy__preview-exit,
  .bracelet-diy[data-transition="edit-invert"] .bracelet-diy__preview-exit,
  .bracelet-diy[data-transition="edit-settle"] .bracelet-diy__preview-exit {
    top: 132px;
    right: 18px;
    min-width: 112px;
    min-height: 44px;
    padding: 0 16px;
  }

  .bracelet-diy .bracelet-diy__tray-option {
    min-width: 72px;
    flex-basis: 72px;
  }

  .bracelet-diy__tray-option-label {
    font-size: 10px;
  }

  .bracelet-diy__material-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bracelet-diy__material-browser {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .bracelet-diy .bracelet-diy__sub-category {
    min-height: 48px;
    padding-left: 12px;
    font-size: 12px;
  }

  .bracelet-diy .bracelet-diy__material {
    min-height: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bracelet-diy *,
  .bracelet-diy *::before,
  .bracelet-diy *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  /*
   * 成品模式属于必要的空间连续性反馈：减少动态效果时改为 180ms，
   * 不完全移除，否则用户无法理解编辑画布与成品画布之间的关系。
   */
  .bracelet-diy[data-transition="preview-settle"] .bracelet-diy__canvas-wrap,
  .bracelet-diy[data-transition="edit-settle"] .bracelet-diy__canvas-wrap {
    transition-duration: 180ms, 120ms, 180ms !important;
  }

  .bracelet-diy[data-transition="preview-settle"] .bracelet-diy__transition-veil,
  .bracelet-diy[data-transition="edit-settle"] .bracelet-diy__transition-veil {
    transition-duration: 180ms !important;
  }
}