/* ============================================================
   instance_segmentation_lab.css - 09 Instance
   ============================================================ */
/* Instance segmentation frontend inference mode */
.instance-lab-workbench {
    grid-template-columns: minmax(242px, 270px) minmax(0, 1fr) minmax(276px, 318px);
    gap: 12px;
    align-items: start;
}

.instance-control-section,
.instance-model-panel {
    display: grid;
    gap: 8px;
}

.instance-section-title {
    color: #1d4ed8;
    font-size: 10px;
    font-weight: 950;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.instance-source-toggle {
    grid-template-columns: 1fr;
}

[data-instance-lab] [hidden] {
    display: none !important;
}

.instance-model-panel {
    border: 1px solid #dbeafe;
    border-radius: 14px;
    padding: 11px;
    background: linear-gradient(180deg, #f8fbff, #ffffff);
}

.instance-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.instance-panel-head strong {
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 3px 8px;
    color: #1d4ed8;
    font-size: 10px;
    background: #eff6ff;
}

.instance-runtime-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.instance-runtime-grid > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    min-height: unset;
    padding: 5px 8px;
}

.instance-runtime-grid span {
    color: #94a3b8;
    font-size: 9.5px;
    letter-spacing: 0.04em;
}

.instance-runtime-grid strong {
    color: #1e3a8a;
    font-size: 10.5px;
    overflow-wrap: anywhere;
    text-align: left;
}

.instance-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 7px;
}

.instance-actions button {
    min-height: 34px;
    border: 1px solid #bfdbfe;
    border-radius: 9px;
    padding: 7px 9px;
    color: #1d4ed8;
    font-size: 11px;
    font-weight: 900;
    cursor: pointer;
    background: #eff6ff;
    transition: background 0.16s ease, transform 0.16s ease;
}

.instance-actions button:hover:not(:disabled) {
    background: #dbeafe;
    transform: translateY(-1px);
}

.instance-actions button:disabled {
    cursor: wait;
    opacity: 0.68;
}

.instance-actions button.is-loading {
    background-image: linear-gradient(90deg, #eff6ff 0, #dbeafe 48%, #eff6ff 96%);
    background-size: 220% 100%;
    animation: instance-loading-sheen 1.1s linear infinite;
}

.instance-model-message {
    margin: 0;
    border-radius: 8px;
    padding: 7px 8px;
    color: #475569;
    font-size: 10px;
    line-height: 1.55;
    background: #f1f5f9;
}

.instance-stage-panel {
    min-width: 0;
}

.instance-stage-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    border-bottom: 1px solid #e8eef6;
    padding: 7px 12px;
    background: #f8fbff;
}

.instance-stage-strip span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-height: 22px;
    border: 1px solid #dbeafe;
    border-radius: 999px;
    padding: 2px 8px;
    color: #64748b;
    font-size: 10px;
    font-weight: 850;
    background: #ffffff;
}

.instance-stage-strip strong {
    color: #1d4ed8;
}

.instance-compare-page {
    display: grid;
    gap: 12px;
    padding: 12px;
    background:
        linear-gradient(90deg, rgba(219, 234, 254, 0.46) 1px, transparent 1px),
        linear-gradient(180deg, rgba(219, 234, 254, 0.46) 1px, transparent 1px),
        #f8fbff;
    background-size: 24px 24px;
}

.instance-compare-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.instance-compare-panel {
    display: grid;
    gap: 10px;
    min-width: 0;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.06);
}

.instance-compare-panel header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    min-width: 0;
}

.instance-compare-panel header span {
    color: #172554;
    font-size: 13px;
    font-weight: 950;
}

.instance-compare-panel header strong {
    color: #2563eb;
    font-size: 10px;
    font-weight: 950;
}

.instance-compare-visual {
    position: relative;
    overflow: hidden;
    border: 1px solid #dbeafe;
    border-radius: 12px;
    background: #eaf2ff;
    aspect-ratio: 4 / 3;
}

.instance-compare-visual img,
.instance-compare-visual svg {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.instance-compare-visual img {
    object-fit: fill;
}

.instance-compare-svg-label {
    fill: #0f172a;
    paint-order: stroke;
    stroke: rgba(255, 255, 255, 0.82);
    stroke-width: .75px;
    font-size: 4px;
    font-weight: 950;
}

.instance-compare-legend {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
}

.instance-compare-legend span {
    display: grid;
    grid-template-columns: 10px minmax(0, 1fr);
    gap: 3px 7px;
    align-items: center;
    min-width: 0;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 7px;
    background: #f8fafc;
}

.instance-compare-legend i {
    grid-row: span 2;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.instance-compare-legend b,
.instance-compare-legend em {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.instance-compare-legend b {
    color: #172554;
    font-size: 10px;
}

.instance-compare-legend em,
.instance-compare-panel p {
    color: #64748b;
    font-size: 10px;
    font-style: normal;
    line-height: 1.45;
}

.instance-compare-panel p {
    margin: 0;
}

.instance-output-compare-table {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.instance-output-compare-table article,
.instance-compare-mini-schema {
    display: grid;
    gap: 6px;
    min-width: 0;
    border: 1px solid #dbeafe;
    border-radius: 12px;
    padding: 11px;
    background: #ffffff;
}

.instance-output-compare-table h4 {
    margin: 0;
    color: #172554;
    font-size: 13px;
}

.instance-output-compare-table code {
    min-width: 0;
    color: #1d4ed8;
    font-family: Consolas, "Courier New", monospace;
    font-size: 11px;
    font-weight: 900;
    overflow-wrap: anywhere;
}

.instance-output-compare-table span,
.instance-compare-mini-schema span {
    color: #64748b;
    font-size: 10px;
    line-height: 1.45;
}

.instance-compare-mini-schema strong {
    color: #172554;
    font-size: 12px;
}

.instance-real-stage {
    flex: 0 0 auto;
    min-height: 310px;
    max-height: 470px;
    aspect-ratio: var(--inst-aspect, 4 / 3);
}

.instance-real-stage > img {
    object-fit: fill;
}

.instance-real-stage canvas {
    pointer-events: auto;
}

.instance-maskrcnn-box {
    stroke-dasharray: 5 3;
    filter: drop-shadow(0 2px 4px rgba(15, 23, 42, 0.16));
}

.instance-maskrcnn-box.is-active {
    stroke-dasharray: none;
    animation: instance-id-pulse 1.5s ease-in-out infinite;
}

.instance-maskrcnn-label {
    fill: #1d4ed8;
}

.instance-maskrcnn-demo {
    display: grid;
    gap: 12px;
    margin: 0 12px 12px;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    padding: 12px;
    background:
        linear-gradient(90deg, rgba(219, 234, 254, 0.46) 1px, transparent 1px),
        linear-gradient(180deg, rgba(219, 234, 254, 0.46) 1px, transparent 1px),
        #f8fbff;
    background-size: 24px 24px;
}

.instance-maskrcnn-demo-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    background: rgba(255, 251, 235, 0.9);
    border: 1px solid #fde68a;
}

.instance-maskrcnn-demo-header p {
    margin: 0;
    color: #92400e;
    font-size: 11px;
    line-height: 1.4;
}

.instance-maskrcnn-demo-badge {
    flex-shrink: 0;
    padding: 3px 8px;
    border-radius: 999px;
    background: #f59e0b;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.instance-maskrcnn-pipeline {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 7px;
}

.instance-maskrcnn-pipeline article {
    position: relative;
    overflow: hidden;
    min-height: 70px;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    padding: 9px;
    background: rgba(255, 255, 255, 0.94);
}

.instance-maskrcnn-pipeline article.is-active {
    border-color: #93c5fd;
    background: linear-gradient(180deg, #ffffff, #eff6ff);
    box-shadow: inset 3px 0 0 #2563eb;
}

.instance-maskrcnn-pipeline strong {
    display: block;
    color: #172554;
    font-size: 10px;
}

.instance-maskrcnn-pipeline span {
    display: block;
    margin-top: 4px;
    color: #64748b;
    font-size: 9px;
    line-height: 1.35;
}

.instance-maskrcnn-pipeline i {
    position: absolute;
    right: 8px;
    bottom: 6px;
    color: rgba(37, 99, 235, 0.2);
    font-size: 20px;
    font-style: normal;
    font-weight: 950;
}

.instance-maskrcnn-grid,
.instance-mask-head-board,
.instance-roi-align-board,
.instance-mask-metric-board {
    display: grid;
    grid-template-columns: minmax(190px, 0.85fr) minmax(230px, 1fr) minmax(210px, 0.95fr);
    gap: 10px;
}

.instance-maskrcnn-grid section,
.instance-mask-head-board section,
.instance-roi-align-board section,
.instance-mask-metric-board section {
    min-width: 0;
    border: 1px solid #dbeafe;
    border-radius: 12px;
    padding: 11px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.06);
}

.instance-maskrcnn-grid h4,
.instance-mask-head-board h4,
.instance-roi-align-board h4,
.instance-mask-metric-board h4 {
    margin: 0 0 9px;
    color: #172554;
    font-size: 12px;
}

.instance-fpn-levels {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
}

.instance-fpn-levels article {
    display: grid;
    min-height: 138px;
    align-items: end;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 8px;
    background: #f8fafc;
}

.instance-fpn-levels article.is-active {
    border-color: #93c5fd;
}

.instance-fpn-levels strong,
.instance-fpn-levels span,
.instance-fpn-levels em {
    display: block;
    min-width: 0;
}

.instance-fpn-levels strong {
    color: #1d4ed8;
    font-size: 13px;
}

.instance-fpn-levels span,
.instance-fpn-levels em {
    color: #64748b;
    font-size: 8.5px;
    font-style: normal;
    line-height: 1.35;
}

.instance-fpn-levels i {
    display: block;
    width: 100%;
    border-radius: 8px 8px 3px 3px;
    background: linear-gradient(180deg, #60a5fa, #2563eb);
    animation: methodBarRise 0.65s ease both;
}

.instance-proposal-list {
    display: grid;
    gap: 8px;
}

.instance-proposal-list span {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border: 1px solid #e2e8f0;
    border-left: 4px solid var(--c);
    border-radius: 9px;
    padding: 8px;
    color: #475569;
    font-size: 10px;
    font-weight: 850;
    background: #f8fafc;
}

.instance-proposal-list b {
    color: #1d4ed8;
}

.instance-head-flow {
    display: grid;
    grid-template-columns: minmax(70px, 1fr) repeat(3, minmax(52px, 0.7fr)) minmax(70px, 1fr);
    gap: 5px;
    align-items: center;
}

.instance-head-flow span,
.instance-head-flow b {
    display: grid;
    min-height: 44px;
    place-items: center;
    border: 1px solid #bfdbfe;
    border-radius: 9px;
    padding: 5px;
    color: #1e40af;
    font-size: 9px;
    font-weight: 900;
    text-align: center;
    background: #eff6ff;
}

.instance-mask-head-board p,
.instance-roi-align-board p,
.instance-mask-metric-board p {
    color: #64748b;
    font-size: 10px;
    line-height: 1.55;
}

.instance-heat-grid,
.instance-binary-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 3px;
}

.instance-heat-grid i,
.instance-binary-grid i {
    display: grid;
    min-height: 24px;
    place-items: center;
    border: 1px solid #dbeafe;
    border-radius: 5px;
    color: #1e3a8a;
    font-size: 7px;
    font-style: normal;
    font-weight: 900;
    background: rgba(37, 99, 235, calc(0.08 + var(--v, 0.3) * 0.5));
}

.instance-binary-grid i {
    background: #e2e8f0;
}

.instance-binary-grid i.is-on {
    background: #2563eb;
}

.instance-mask-head-board dl,
.instance-roi-align-board dl,
.instance-mask-metric-board dl {
    display: grid;
    gap: 7px;
    margin: 9px 0 0;
}

.instance-mask-head-board dl div,
.instance-roi-align-board dl div,
.instance-mask-metric-board dl div {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 5px;
    color: #475569;
    font-size: 10px;
}

.instance-mask-head-board dd,
.instance-roi-align-board dd,
.instance-mask-metric-board dd,
.instance-mask-head-board dt,
.instance-roi-align-board dt,
.instance-mask-metric-board dt {
    margin: 0;
}

.instance-mask-head-board dd,
.instance-roi-align-board dd,
.instance-mask-metric-board dd {
    color: #1e40af;
    font-weight: 900;
}

.instance-roi-box {
    position: relative;
    overflow: hidden;
    min-height: 138px;
    border: 1px solid #dbeafe;
    border-radius: 12px;
    padding: 10px;
    background:
        linear-gradient(90deg, #dbeafe 1px, transparent 1px),
        linear-gradient(180deg, #dbeafe 1px, transparent 1px),
        #f8fafc;
    background-size: 20px 20px;
}

.instance-roi-box span,
.instance-roi-box code {
    position: relative;
    z-index: 2;
    display: block;
    color: #1d4ed8;
    font-size: 10px;
    font-weight: 900;
}

.instance-roi-box i,
.instance-roi-box div {
    position: absolute;
    inset: 28px 26px 22px 34px;
    border: 2px dashed #f97316;
    border-radius: 8px;
}

.instance-roi-box.is-align div {
    border-color: #22c55e;
}

.instance-roi-box b {
    position: absolute;
    width: 7px;
    height: 7px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 1px #16a34a;
    animation: instance-id-pulse 1.5s ease-in-out infinite;
}

.instance-mask-overlap {
    position: relative;
    min-height: 150px;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    background: #f8fafc;
}

.instance-mask-overlap i,
.instance-mask-overlap b {
    position: absolute;
    border-radius: 42% 58% 52% 48%;
}

.instance-mask-overlap .pred {
    inset: 30px 42px 24px 28px;
    background: rgba(37, 99, 235, 0.32);
}

.instance-mask-overlap .gt {
    inset: 22px 26px 34px 52px;
    background: rgba(34, 197, 94, 0.32);
}

.instance-mask-overlap b {
    inset: 42px 54px 40px 58px;
    background: rgba(249, 115, 22, 0.5);
}

.instance-mask-iou-table {
    display: grid;
    gap: 5px;
}

.instance-mask-iou-table > div,
.instance-mask-iou-table button {
    display: grid;
    grid-template-columns: minmax(80px, 1fr) 48px 48px 42px 40px;
    align-items: center;
    gap: 5px;
}

.instance-mask-iou-table > div {
    color: #64748b;
    font-size: 8px;
    font-weight: 950;
    text-transform: uppercase;
}

.instance-mask-iou-table button {
    border: 1px solid #e2e8f0;
    border-radius: 9px;
    padding: 6px;
    color: #334155;
    font: inherit;
    font-size: 9px;
    cursor: pointer;
    background: #ffffff;
}

.instance-mask-iou-table button span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    min-width: 0;
}

.instance-mask-iou-table i {
    display: block;
    width: 9px;
    height: 9px;
    border-radius: 3px;
}

.instance-mask-iou-table strong,
.instance-mask-iou-table em {
    color: #1d4ed8;
    font-style: normal;
    font-weight: 950;
}

.instance-real-stage::after {
    content: "";
    position: absolute;
    top: 18px;
    left: 18px;
    z-index: 7;
    width: 76px;
    height: 20px;
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: 999px;
    background:
        radial-gradient(circle at 12px 50%, #2563eb 0 4px, transparent 4px),
        radial-gradient(circle at 32px 50%, #f97316 0 4px, transparent 4px),
        radial-gradient(circle at 52px 50%, #22c55e 0 4px, transparent 4px),
        rgba(255, 255, 255, 0.72);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.12);
    animation: instance-id-pulse 2s ease-in-out infinite;
    pointer-events: none;
}

.instance-seg-flow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 6px;
    border-top: 1px solid #e8eef6;
    border-bottom: 1px solid #e8eef6;
    padding: 10px 12px;
    background: #fbfdff;
    overflow: hidden;
}

.instance-seg-flow div {
    position: relative;
    display: grid;
    gap: 2px;
    border: 1px solid #dbeafe;
    border-radius: 9px;
    padding: 7px 9px;
    background: #eff6ff;
}

.instance-seg-flow div::after {
    content: "id";
    position: absolute;
    right: 8px;
    bottom: 5px;
    color: rgba(37, 99, 235, 0.2);
    font-size: 9px;
    font-weight: 950;
    opacity: 0;
    transform: translateY(6px);
}

.instance-seg-flow div.is-active {
    border-color: #93c5fd;
    background: #dbeafe;
    box-shadow: inset 3px 0 0 #2563eb;
}

.instance-seg-flow div.is-active::after {
    opacity: 1;
    animation: instance-id-fly 1.25s ease-in-out infinite;
}

.instance-seg-flow strong {
    color: #1e3a8a;
    font-size: 10px;
}

.instance-seg-flow span {
    color: #64748b;
    font-size: 9px;
}

.instance-seg-flow b {
    position: relative;
    min-width: 16px;
    color: #94a3b8;
    text-align: center;
}

.instance-seg-flow b::after {
    content: "";
    position: absolute;
    right: -1px;
    bottom: 5px;
    left: -1px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, #2563eb, #f97316, transparent);
    transform: scaleX(0);
    transform-origin: left;
    animation: instance-arrow-stretch 1.55s ease-in-out infinite;
}

.instance-list {
    max-height: 260px;
    overflow: auto;
    padding-right: 2px;
    scrollbar-width: thin;
    scrollbar-color: #bfdbfe transparent;
}

.instance-list button i {
    display: block;
    width: 12px;
    height: 12px;
    flex: 0 0 auto;
    border-radius: 3px;
}

.instance-list--deck {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    max-height: 150px;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.05);
    overflow-y: auto;
}

.instance-list--deck button {
    min-height: 36px;
    padding: 6px 8px;
}

@media (max-width: 992px) {
    .instance-list--deck {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        max-height: 150px;
    }
}

.instance-hit-poly {
    cursor: pointer;
}

.instance-notes-tutorial {
    border: 1px solid #dbeafe;
    border-radius: 11px;
    padding: 10px 12px;
    color: #334155;
    font-size: 11px;
    line-height: 1.65;
    background: linear-gradient(145deg, #f8fbff, #eff6ff);
}

.instance-notes-tutorial p {
    margin: 0;
}

.instance-notes-data dl {
    display: grid;
    gap: 6px;
    margin: 0;
}

.instance-notes-data dl > div {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 6px 8px;
    background: #f8fafc;
}

.instance-notes-data dt,
.instance-notes-data dd {
    margin: 0;
    font-size: 10px;
}

.instance-notes-data dt {
    color: #64748b;
    font-weight: 750;
}

.instance-notes-data dd {
    color: #0f172a;
    font-weight: 900;
    text-align: right;
    overflow-wrap: anywhere;
}

.instance-stepper {
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.instance-stepper li {
    padding-right: 16px;
}

.instance-stepper li:not(:last-child)::after {
    right: 5px;
    width: calc(100% - 110px);
}

@keyframes instance-loading-sheen {
    from { background-position: 0 0; }
    to { background-position: -220% 0; }
}

@keyframes instance-id-fly {
    0% { transform: translateY(7px) scale(0.96); opacity: 0; }
    42% { transform: translateY(0) scale(1); opacity: 1; }
    100% { transform: translateY(-7px) scale(0.98); opacity: 0; }
}

@keyframes instance-arrow-stretch {
    0% { transform: scaleX(0); opacity: 0; }
    45% { transform: scaleX(1); opacity: 1; }
    100% { transform: scaleX(1); opacity: 0; }
}

@keyframes instance-id-pulse {
    0%, 100% { transform: translateY(0); opacity: 0.92; }
    50% { transform: translateY(2px); opacity: 1; }
}

@media (max-width: 1220px) {
    .instance-lab-workbench {
        grid-template-columns: minmax(240px, 270px) minmax(0, 1fr);
    }

    .instance-lab-workbench .vision-notes-panel {
        grid-column: 1 / -1;
    }

    .instance-maskrcnn-pipeline {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .instance-maskrcnn-grid,
    .instance-mask-head-board,
    .instance-roi-align-board,
    .instance-mask-metric-board {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1040px) {
    .instance-stepper {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        row-gap: 12px;
    }

    .instance-stepper li:nth-child(4)::after {
        display: none;
    }

    .instance-seg-flow {
        grid-template-columns: 1fr;
    }

    .instance-seg-flow b {
        display: none;
    }
}

@media (max-width: 820px) {
    .instance-lab-workbench {
        grid-template-columns: 1fr;
    }

    .instance-lab-workbench .vision-notes-panel {
        grid-column: auto;
    }

    .instance-source-toggle {
        grid-template-columns: 1fr;
    }

    .instance-maskrcnn-pipeline,
    .instance-fpn-levels {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .instance-stepper {
        grid-template-columns: 1fr;
    }

    .instance-stepper li::after {
        display: none;
    }

    .instance-stage-strip span {
        width: 100%;
        justify-content: space-between;
    }

    .instance-maskrcnn-pipeline,
    .instance-fpn-levels {
        grid-template-columns: 1fr;
    }

    .instance-mask-iou-table > div,
    .instance-mask-iou-table button {
        grid-template-columns: minmax(0, 1fr) 40px 40px 36px 36px;
    }
}

@media (max-width: 820px) {
    .vision-image-stage {
        min-height: 320px;
    }

    .semantic-detail-grid,
    .semantic-tensor-flow,
    .instance-current-card {
        grid-template-columns: 1fr;
    }

    .semantic-tensor-flow b {
        display: none;
    }

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

/* ==========================================================================
   YOLOv8/v11 Instance Segmentation - Interactive Prototype Blender Deck
   ========================================================================== */

.instance-interactive-deck {
    display: grid;
    grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    grid-template-areas:
        "stats blender"
        "list  blender";
    gap: 20px;
    margin-top: 20px;
    margin-bottom: 25px;
    align-items: stretch;
}

.instance-current-card { grid-area: stats; }
.instance-prototype-blender-card { grid-area: blender; }
.instance-list--deck { grid-area: list; }

@media (max-width: 992px) {
    .instance-interactive-deck {
        grid-template-columns: 1fr;
        grid-template-areas:
            "stats"
            "blender"
            "list";
    }
}

/* 改造原本的属性卡片使其更具仪表盘设计感 */
.instance-current-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.05);
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 220px;
}

.instance-current-card dl {
    display: grid;
    gap: 4px;
    margin: 0;
}

.instance-current-card dl > div {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
}

.instance-current-card dt {
    color: #64748b;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.instance-current-card dd {
    margin: 0;
    color: #0f172a;
    font-size: 14px;
    font-weight: 800;
    text-align: right;
}

.instance-notes-data dl {
    display: grid;
    gap: 5px;
    margin: 0;
}

.instance-notes-data dl > div {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 4px;
}

.instance-notes-data dl > div:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.instance-notes-data dt {
    color: #64748b;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.instance-notes-data dd {
    margin: 0;
    color: #0f172a;
    font-size: 12px;
    font-weight: 800;
    text-align: right;
}

.instance-prototype-blender-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.05);
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
    container-type: inline-size;
    container-name: blender-card;
}

.instance-prototype-blender-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #06b6d4, #10b981);
}

.blender-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 12px;
}

.blender-header-left h4 {
    margin: 4px 0 0 0;
    font-size: 15px;
    font-weight: 700;
    color: #0f172a;
}

.blender-title-badge {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    font-size: 10px;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blender-simulated-badge {
    background: #f59e0b;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 999px;
    letter-spacing: 0.02em;
}

.blender-play-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.blender-play-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.3);
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.blender-play-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.blender-play-btn:disabled {
    background: #e2e8f0;
    color: #94a3b8;
    box-shadow: none;
    cursor: not-allowed;
}

.blender-icon {
    font-size: 13px;
    font-style: normal;
}

/* 核心演示布局：默认上下堆叠，卡片够宽时切换为左右 */
.blender-body {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    align-items: start;
}

@container blender-card (min-width: 520px) {
    .blender-body {
        grid-template-columns: minmax(140px, 180px) minmax(260px, 1fr);
        gap: 16px;
    }
}

.blender-canvas-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.blender-canvas-wrapper {
    position: relative;
    width: 170px;
    height: 170px;
    background: #0f172a;
    border: 3px solid #1e293b;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blender-canvas-wrapper canvas {
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
    display: block;
    transition: filter 0.3s;
}

/* 融合时闪烁发光动画 */
.blender-canvas-wrapper.blending canvas {
    animation: blenderScanLine 1.5s infinite linear, blenderPulse 0.4s infinite alternate;
}

@keyframes blenderPulse {
    from {
        filter: brightness(1) contrast(1);
    }
    to {
        filter: brightness(1.25) contrast(1.1);
    }
}

/* 融合扫描线效果 */
.blender-canvas-wrapper::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(34, 197, 94, 0.6);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.8);
    opacity: 0;
    pointer-events: none;
    top: -2px;
}

.blender-canvas-wrapper.blending::after {
    animation: blenderScanMove 1.5s infinite linear;
    opacity: 1;
}

@keyframes blenderScanMove {
    0% {
        top: 0%;
    }
    100% {
        top: 100%;
    }
}

.blender-canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.85);
    color: #94a3b8;
    font-size: 11px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 15px;
    pointer-events: none;
    transition: opacity 0.3s;
    line-height: 1.5;
}

.blender-canvas-overlay.hidden {
    opacity: 0;
}

.blender-formula-card {
    width: 100%;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.blender-formula-expr {
    text-align: center;
    font-family: inherit;
    font-size: 11.5px;
    color: #0f172a;
    padding: 4px;
    background: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 4px;
    font-weight: 600;
}

.blender-formula-tip {
    font-size: 9px;
    color: #64748b;
    line-height: 1.3;
    text-align: justify;
}

/* 右侧通道网格 */
.blender-grid-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
}

.blender-grid-title {
    font-size: 11.5px;
    font-weight: 800;
    color: #334155;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 6px;
    letter-spacing: 0.02em;
    line-height: 1.35;
}

.blender-channels-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(76px, 1fr));
    gap: 6px;
    flex: 1;
    align-content: start;
}

.blender-channel-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 10px;
    font-size: 11px;
    color: #94a3b8;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 8px;
}

.blender-channel-cell {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 5px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    position: relative;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    min-width: 0;
}

.blender-channel-cell:hover {
    transform: translateY(-2px);
    background: #ffffff;
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.12);
}

.blender-channel-cell.active-highlight {
    border-color: #10b981;
    background: rgba(16, 185, 129, 0.03);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.15);
}

.blender-channel-cell.blending-pulse {
    animation: cellBlendPulse 0.3s ease-in-out;
}

@keyframes cellBlendPulse {
    0% { transform: scale(1); border-color: #3b82f6; background: rgba(59, 130, 246, 0.1); }
    50% { transform: scale(1.08); border-color: #22c55e; background: rgba(34, 197, 94, 0.2); }
    100% { transform: scale(1); }
}

.blender-channel-title {
    font-size: 10px;
    font-weight: 700;
    color: #64748b;
    white-space: nowrap;
}

.blender-channel-canvas-wrap {
    width: 72px;
    height: 72px;
    background: #090d16;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blender-channel-canvas-wrap canvas {
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
}

/* 系数和进度条展示 */
.blender-channel-coeff-row {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.blender-coeff-header {
    display: flex;
    justify-content: space-between;
    font-size: 9px;
    font-weight: 600;
    color: #475569;
}

.blender-coeff-header span.positive {
    color: #16a34a;
}

.blender-coeff-header span.negative {
    color: #dc2626;
}

.blender-coeff-bar-bg {
    width: 100%;
    height: 4px;
    background: #e2e8f0;
    border-radius: 99px;
    position: relative;
    overflow: hidden;
}

.blender-coeff-bar-fill {
    height: 100%;
    border-radius: 99px;
    position: absolute;
    left: 50%;
    width: 0;
    transition: width 0.3s ease;
}

.blender-coeff-bar-fill.positive {
    left: 50%;
    background: #10b981;
}

.blender-coeff-bar-fill.negative {
    background: #ef4444;
}