/* ================= 3D 模型智能设计总入口与模式选择器样式 ================= */
.master-3d-card {
  margin-bottom: 12px;
  background: #f0f7ff;
  border: 1.5px solid #91d5ff;
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.08);
}
.master-3d-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(24, 144, 255, 0.18);
  border-color: #1890ff;
  background: #e6f4ff;
}
.master-3d-content {
  flex: 1;
  min-width: 0;
}
.master-3d-badge-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}
.live-pulse-dot {
  width: 7px;
  height: 7px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 1.8s infinite;
}
@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 5px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.master-3d-badge-text {
  font-size: 10.5px;
  font-weight: 700;
  color: #0050b3;
  letter-spacing: 0.3px;
}
.master-3d-badge-pill {
  font-size: 9.5px;
  background: #003a8c;
  color: #ffffff;
  border: 1px solid #0050b3;
  padding: 1px 6px;
  border-radius: 9999px;
  font-weight: 700;
}
.master-3d-title-text {
  font-size: 13.5px;
  font-weight: 800;
  color: #0050b3;
  display: flex;
  align-items: center;
  gap: 6px;
}
.master-3d-icon {
  font-size: 18px;
}
.master-3d-desc-text {
  font-size: 11px;
  color: #475569;
  margin-top: 4px;
  line-height: 1.4;
}
.master-3d-desc-text strong {
  color: #0050b3;
  font-weight: 700;
}
.master-3d-btn {
  background: #0050b3;
  border: 1.5px solid #003a8c;
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 800;
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 80, 179, 0.32);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.2s ease;
}
.master-3d-btn:hover {
  background: #1890ff;
  border-color: #1890ff;
  box-shadow: 0 4px 14px rgba(24, 144, 255, 0.45);
  transform: translateY(-1px);
}

.master-carton-card {
  margin-bottom: 12px;
  background: #ffffff;
  border: 1.5px solid #1890ff;
  border-radius: 9px;
  height: 52px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(24, 144, 255, 0.08);
}
.master-carton-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 16px -2px rgba(2, 132, 199, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: #7dd3fc;
}
.master-carton-content {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}
.master-carton-title-text {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  overflow: hidden;
}
.master-carton-icon {
  font-size: 16px;
}
.master-carton-title {
  font-size: 12.5px;
  font-weight: 800;
  color: #1890ff;
  letter-spacing: -0.1px;
}
.master-carton-badge-pill {
  font-size: 9.5px;
  background: rgba(255, 255, 255, 0.18);
  color: #e0f2fe;
  border: 1px solid rgba(125, 211, 252, 0.4);
  padding: 1px 6px;
  border-radius: 9999px;
  font-weight: 600;
}
.master-carton-btn {
  background: #1890ff;
  border: 1px solid #1890ff;
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.master-carton-btn:hover {
  background: #40a9ff;
  border-color: #40a9ff;
  transform: translateY(-1px);
}


/* Modal Picker Dialog */
#modal-3d-mode-picker {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  z-index: 99998;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-picker-box {
  background: #ffffff;
  width: 92vw;
  max-width: 860px;
  max-height: 90vh;
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.4), 0 0 0 1px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: pickerPop 0.22s ease-out;
}
@keyframes pickerPop {
  0% { opacity: 0; transform: scale(0.96) translateY(10px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: #0f172a;
  color: #ffffff;
  border-bottom: 1px solid #334155;
}
.modal-picker-header-icon {
  font-size: 26px;
  background: rgba(255, 255, 255, 0.1);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.modal-picker-title {
  font-size: 16px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.2px;
}
.modal-picker-subtitle {
  font-size: 12px;
  color: #cbd5e1;
  margin-top: 3px;
}
.modal-picker-close-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #cbd5e1;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.modal-picker-close-btn:hover {
  background: rgba(239, 68, 68, 0.85);
  color: #ffffff;
  border-color: #ef4444;
}
.modal-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding: 20px;
  overflow-y: auto;
  background: #f8fafc;
}
@media (max-width: 720px) {
  .modal-picker-grid {
    grid-template-columns: 1fr;
    padding: 14px;
    gap: 12px;
  }
}
.picker-card {
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  position: relative;
}
.picker-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.12);
}
.picker-card.card-box:hover {
  border-color: #0f172a;
  background: #f8fafc;
}
.picker-card.card-product:hover {
  border-color: #0f172a;
  background: #f8fafc;
}
.picker-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.picker-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.picker-card-icon.bg-blue {
  background: #f1f5f9;
  border: 1px solid #bfdbfe;
}
.picker-card-icon.bg-purple {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
}
.picker-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 9999px;
}
.badge-blue {
  background: #dbeafe;
  color: #0f172a;
  border: 1px solid #bfdbfe;
}
.badge-purple {
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #cbd5e1;
}
.picker-card-title {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 4px;
}
.picker-card-tagline {
  font-size: 12px;
  color: #64748b;
  line-height: 1.4;
  margin-bottom: 12px;
}
.picker-card-divider {
  height: 1px;
  background: #f1f5f9;
  margin-bottom: 12px;
}
.picker-features-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  flex: 1;
  margin-bottom: 16px;
}
.picker-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.p-feat-icon {
  font-size: 14px;
  line-height: 1.3;
  flex-shrink: 0;
}
.p-feat-text {
  font-size: 11.5px;
  color: #334155;
  line-height: 1.45;
}
.p-feat-text strong {
  color: #0f172a;
}
.picker-card-action {
  margin-top: auto;
}
.btn-picker-select {
  background: #1890ff !important;
  color: #ffffff !important;
  border: 1px solid #1890ff !important;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
}
.btn-picker-select.btn-blue {
  background: #0f172a;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.2);
}
.btn-picker-select.btn-blue:hover {
  background: #1e293b;
}
.btn-picker-select.btn-purple {
  background: #0f172a;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.2);
}
.btn-picker-select.btn-purple:hover {
  background: #0f172a;
}
.modal-picker-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
  gap: 12px;
  flex-wrap: wrap;
}
.modal-picker-footer-tip {
  font-size: 11.5px;
  color: #475569;
  flex: 1;
  min-width: 240px;
  line-height: 1.4;
}
.btn-picker-cancel {
  padding: 6px 16px;
  font-size: 12.5px;
  font-weight: 600;
  color: #475569;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-picker-cancel:hover {
  background: #f8fafc;
  color: #0f172a;
}
.quick-3d-banner { display: none; }

/* 3D Tab Container */
.tab-3d-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tab-3d-header {
  background: #0f172a; border: 1px solid #334155;
  border-radius: 12px;
  padding: 16px 20px;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.25);
}
.tab-3d-mode-selector {
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 4px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.btn-3d-mode {
  flex: 1;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}
.btn-3d-mode.active {
  background: #1890ff;
  color: #ffffff;
  border-color: #1890ff;
  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.35);
}
.btn-3d-mode.mode-custom.active {
  background: #1890ff;
  color: #ffffff;
  border-color: #1890ff;
  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.35);
}

/* Upload & Sample Bar (Swapped Size Hierarchy: Upload Prominent & Large, Sample Compact) */
.tab-3d-upload-row {
  display: grid;
  grid-template-columns: minmax(0, 1.85fr) minmax(280px, 1fr);
  gap: 12px;
  align-items: stretch;
}
@media (max-width: 900px) {
  .tab-3d-upload-row {
    grid-template-columns: 1fr;
  }
}
.dropzone-3d {
  border: 2px dashed #93c5fd;
  border-radius: 10px;
  background: #f8fafc;
  padding: 16px 24px;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
}
.dropzone-3d:hover, .dropzone-3d.dragover {
  border-color: #0f172a;
  background: #f1f5f9;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}
.sample-3d-group {
  background: #f1f5f9;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.btn-sample-3d {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid #93c5fd;
  background: #ffffff;
  color: #0f172a;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.btn-sample-3d:hover {
  background: #0f172a;
  color: #ffffff;
}

/* Main 3D Workspace Grid */
.tab-3d-workspace {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 16px;
  align-items: start;
}
@media (max-width: 1080px) {
  .tab-3d-workspace {
    grid-template-columns: 1fr;
  }
}

/* 3D Viewport Box */
.viewport-3d-container {
  background: #ffffff;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  height: 520px;
  border: 1px solid #cbd5e1;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  user-select: none;
  touch-action: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}
#canvas-3d-gl {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}
#canvas-3d-gl:active {
  cursor: grabbing;
}

/* Floating HUDs */
.hud-3d-top {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  pointer-events: none;
}
.hud-btn-group {
  display: flex;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 3px;
  gap: 3px;
  pointer-events: auto;
}
.btn-hud-3d {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 5px;
  border: none;
  background: transparent;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-hud-3d:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}
.btn-hud-3d.active {
  background: #1890ff;
  color: #ffffff;
}

.hud-3d-bottom {
  position: absolute;
  bottom: 10px;
  left: 10px;
  right: 98px; /* 为右下角三维标留出充裕空间，防止遮挡 */
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  pointer-events: none;
}

/* 3D 视口右下角三维空间坐标指示标 (Orientation Triad) */
.hud-3d-gizmo-wrap {
  position: absolute;
  bottom: 10px;
  right: 12px;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(30, 41, 59, 0.88), rgba(15, 23, 42, 0.96));
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6), inset 0 1px 2px rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  cursor: pointer;
  z-index: 15;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  user-select: none;
}
.hud-3d-gizmo-wrap:hover {
  transform: scale(1.08);
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35), inset 0 1px 3px rgba(255, 255, 255, 0.25);
}
#canvas-3d-gizmo {
  width: 76px;
  height: 76px;
  display: block;
}
.gizmo-axis-title {
  position: absolute;
  bottom: 3px;
  font-size: 8px;
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.5px;
  pointer-events: none;
}
.hud-badges-wrap {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  pointer-events: auto;
}
.hud-dim-pill {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: #e0f2fe;
  display: flex;
  align-items: center;
  gap: 4px;
}
.hud-dim-pill strong {
  color: #38bdf8;
  font-weight: 700;
}
.hud-dim-pill.pill-purple {
  border-color: rgba(71, 85, 105, 0.5);
  color: #e2e8f0;
}
.hud-dim-pill.pill-purple strong {
  color: #f8fafc;
}

.hud-hint-pill {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
  color: #94a3b8;
  pointer-events: auto;
}

/* 3D Sidebar Cards */
.panel-3d-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.card-3d-result {
  background: #ffffff;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.card-3d-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.card-3d-title {
  font-size: 14px;
  font-weight: 700;
  color: #1890ff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.meta-dim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}
.meta-dim-item .lbl {
  font-size: 11px;
  color: #64748b;
  margin-bottom: 2px;
}
.meta-dim-item .val {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
  font-family: ui-monospace, SFMono-Regular, monospace;
}
.meta-dim-item .unit {
  font-size: 10px;
  color: #94a3b8;
  margin-left: 1px;
}

/* Calculation breakdown rows */
.calc-calc-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 6px 0;
  border-bottom: 1px dashed #f1f5f9;
  color: #475569;
}
.calc-calc-row strong {
  color: #0f172a;
}


/* Fabric Material Swatches */
.swatch-color {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px #cbd5e1;
  cursor: pointer;
  padding: 0;
  transition: transform 0.15s, box-shadow 0.15s;
}
.swatch-color:hover {
  transform: scale(1.15);
}
.swatch-color.active {
  box-shadow: 0 0 0 2px #0f172a;
  transform: scale(1.1);
}