/* 本地 3D 预览页 — 对齐门户暗色青绿 */

.preview3d-page {
  overflow: hidden;
}

.preview3d-page .home-nav-link.is-current {
  color: var(--home-accent);
}

.preview3d-toolbar-actions {
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.preview3d-main {
  flex: 1;
  min-height: 0;
  display: flex;
  padding: 0;
}

.preview3d-workspace {
  position: relative;
  flex: 1;
  min-height: 0;
  margin: 0 12px 12px;
  border: 1px solid var(--home-border);
  border-radius: 14px;
  overflow: hidden;
  background:
    radial-gradient(720px 420px at 70% 20%, rgba(63, 208, 200, 0.12), transparent 55%),
    linear-gradient(160deg, #0e1615 0%, #0a100f 55%, #070b0a 100%);
  box-shadow: inset 0 0 0 1px rgba(63, 208, 200, 0.06);
  display: flex;
  flex-direction: column;
}

.preview3d-workspace.is-dragover {
  outline: 2px solid rgba(63, 208, 200, 0.65);
  outline-offset: -2px;
}

.preview3d-panes {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.preview3d-workspace.is-split .preview3d-panes {
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
}

.preview3d-pane {
  position: relative;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.preview3d-pane-full {
  border-right: none;
}

.preview3d-workspace.is-split .preview3d-pane-full {
  border-right: 1px solid rgba(36, 56, 54, 0.95);
}

.preview3d-pane-parts[hidden] {
  display: none;
}

.preview3d-pane-label {
  flex-shrink: 0;
  z-index: 2;
  margin: 10px 12px 0;
  padding: 6px 10px;
  width: fit-content;
  border-radius: 8px;
  border: 1px solid rgba(63, 208, 200, 0.22);
  background: rgba(10, 16, 15, 0.72);
  color: #d7f5f1;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  pointer-events: none;
}

.preview3d-pane-label span {
  margin-left: 6px;
  color: var(--home-muted);
  font-weight: 500;
}

.preview3d-parts-body {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
}

.preview3d-parts-list {
  list-style: none;
  margin: 8px 0 48px;
  padding: 0 0 0 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.preview3d-parts-list button {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--home-muted);
  font-size: 12px;
  line-height: 1.35;
  padding: 7px 8px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.preview3d-parts-list button:hover {
  color: #e8f7f5;
  background: rgba(63, 208, 200, 0.08);
}

.preview3d-parts-list button.is-active {
  color: #eaf8f6;
  border-color: rgba(63, 208, 200, 0.4);
  background: rgba(63, 208, 200, 0.14);
}

.preview3d-parts-list button.is-rigid::after {
  content: "刚";
  float: right;
  font-size: 10px;
  color: #ffb088;
  border: 1px solid rgba(255, 176, 136, 0.45);
  border-radius: 4px;
  padding: 0 4px;
  line-height: 1.4;
}

.preview3d-canvas {
  display: block;
  width: 100%;
  height: 100%;
  flex: 1;
  min-height: 0;
  touch-action: none;
  outline: none;
  /* 禁止 CSS 把缓冲像素非等比拉伸 */
  object-fit: contain;
}

.preview3d-parts-body .preview3d-canvas {
  width: 100%;
  height: 100%;
}

.preview3d-hint {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  text-align: center;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(7, 11, 10, 0.15) 0%,
    rgba(7, 11, 10, 0.45) 100%
  );
}

.preview3d-hint[hidden] {
  display: none;
}

.preview3d-hint h1 {
  margin: 0;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 650;
  letter-spacing: 0.02em;
  color: var(--home-text);
}

.preview3d-hint p {
  margin: 0;
  max-width: 28rem;
  color: var(--home-muted);
  line-height: 1.5;
}

.preview3d-hint strong {
  color: var(--home-accent);
  font-weight: 600;
}

.preview3d-hint-sub {
  font-size: 0.88rem;
  opacity: 0.9;
}

.preview3d-hint .home-cta {
  pointer-events: auto;
  margin-top: 10px;
}

.preview3d-hint-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 6px;
  pointer-events: auto;
}

.preview3d-hint-actions .home-cta {
  margin-top: 0;
}

.preview3d-status {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 3;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(36, 56, 54, 0.9);
  background: rgba(12, 18, 17, 0.78);
  color: var(--home-muted);
  font-size: 0.82rem;
  line-height: 1.4;
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.preview3d-status.is-error {
  color: #ffb4a8;
  border-color: rgba(180, 70, 60, 0.45);
}

.preview3d-status.is-busy {
  color: var(--home-accent);
}

.preview3d-anim {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 52px;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(63, 208, 200, 0.28);
  background: rgba(12, 18, 17, 0.88);
  backdrop-filter: blur(8px);
  pointer-events: auto;
}

.preview3d-anim[hidden] {
  display: none;
}

.preview3d-anim-btn {
  min-width: 36px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid rgba(63, 208, 200, 0.4);
  background: rgba(63, 208, 200, 0.16);
  color: #eaf8f6;
  font-size: 13px;
  cursor: pointer;
}

.preview3d-anim-btn:hover {
  background: rgba(63, 208, 200, 0.28);
}

.preview3d-anim-label {
  color: var(--home-muted);
  font-size: 12px;
}

.preview3d-anim-select {
  min-width: 120px;
  max-width: min(240px, 46vw);
  height: 32px;
  border-radius: 8px;
  border: 1px solid rgba(36, 56, 54, 0.95);
  background: #0a100f;
  color: #e6f0ee;
  font-size: 12px;
  padding: 0 8px;
}

.preview3d-anim-loop {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--home-muted);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}

.preview3d-light {
  position: absolute;
  top: 40px;
  right: 10px;
  z-index: 5;
  width: min(220px, 48vw);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(63, 208, 200, 0.28);
  background: rgba(10, 16, 15, 0.92);
  backdrop-filter: blur(8px);
}

.preview3d-light[hidden] {
  display: none;
}

.preview3d-light-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #eaf8f6;
  font-size: 13px;
}

.preview3d-light-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--home-muted);
  font-size: 12px;
}

.preview3d-light-row em {
  font-style: normal;
  color: #9fd9d4;
  float: right;
}

.preview3d-light-row input[type="range"] {
  width: 100%;
  accent-color: #3fd0c8;
  cursor: pointer;
}

.preview3d-light-reset {
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
  align-self: flex-start;
}


.preview3d-rig {
  position: absolute;
  top: 40px;
  left: 10px;
  z-index: 5;
  width: min(248px, 52vw);
  max-height: calc(100% - 120px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(63, 208, 200, 0.28);
  background: rgba(10, 16, 15, 0.92);
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.preview3d-rig[hidden] {
  display: none;
}

.preview3d-rig-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #eaf8f6;
  font-size: 13px;
}

.preview3d-rig-x {
  border: none;
  background: transparent;
  color: var(--home-muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.preview3d-rig-tip {
  margin: 0;
  color: var(--home-muted);
  font-size: 11px;
  line-height: 1.45;
}

.preview3d-rig-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.preview3d-rig-actions .btn {
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

.preview3d-rig-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--home-muted);
  font-size: 12px;
  cursor: pointer;
}

.preview3d-rig-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-height: 0;
}

.preview3d-rig-list button {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--home-muted);
  font-size: 12px;
  padding: 6px 8px;
  cursor: pointer;
}

.preview3d-rig-list button:hover {
  color: #e8f7f5;
  background: rgba(63, 208, 200, 0.08);
}

.preview3d-rig-list button.is-active {
  color: #eaf8f6;
  border-color: rgba(63, 208, 200, 0.45);
  background: rgba(63, 208, 200, 0.14);
}

.preview3d-rig-list button.is-set::after {
  content: " ✓";
  color: var(--home-accent);
}

.preview3d-load {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7, 11, 10, 0.55);
  backdrop-filter: blur(6px);
  pointer-events: all;
}

.preview3d-load[hidden] {
  display: none;
}

.preview3d-load-card {
  width: min(320px, 86vw);
  padding: 22px 20px 18px;
  border-radius: 14px;
  border: 1px solid rgba(63, 208, 200, 0.28);
  background: rgba(14, 22, 21, 0.92);
  text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.preview3d-load-spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 14px;
  border-radius: 50%;
  border: 3px solid rgba(63, 208, 200, 0.2);
  border-top-color: var(--home-accent, #3fd0c8);
  animation: preview3d-spin 0.8s linear infinite;
}

@keyframes preview3d-spin {
  to {
    transform: rotate(360deg);
  }
}

.preview3d-load-text {
  margin: 0 0 14px;
  color: var(--home-text, #e6f0ee);
  font-size: 0.95rem;
}

.preview3d-load-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(36, 56, 54, 0.9);
  overflow: hidden;
}

.preview3d-load-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, #2bb8b0, #3fd0c8 55%, #7de8e0);
  transition: width 0.15s ease-out;
}

.preview3d-load-fill.is-indeterminate {
  width: 40% !important;
  animation: preview3d-indeterminate 1.1s ease-in-out infinite;
}

@keyframes preview3d-indeterminate {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(280%);
  }
}

.preview3d-load-pct {
  margin: 10px 0 0;
  color: var(--home-muted, #8b9e9a);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 900px) {
  .preview3d-workspace.is-split .preview3d-panes {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(220px, 1fr) minmax(240px, 1fr);
  }

  .preview3d-workspace.is-split .preview3d-pane-full {
    border-right: none;
    border-bottom: 1px solid rgba(36, 56, 54, 0.95);
  }

  .preview3d-parts-body {
    grid-template-columns: 112px minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .preview3d-workspace {
    margin: 0 8px 8px;
    border-radius: 10px;
  }

  .preview3d-toolbar-actions .btn {
    padding-inline: 10px;
  }
}