/* PBR tool styles */
.pbr-source-summary {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: start;
    gap: 12px;
    padding: 12px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(0, 168, 198, 0.16), rgba(245, 197, 66, 0.22)),
        #ffffff;
    box-shadow: 4px 4px 0 var(--ink);
}

.pbr-source-summary[hidden] {
    display: none;
}

.pbr-source-summary img {
    width: 92px;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(45deg, #d8dbe2 25%, transparent 25%),
        linear-gradient(-45deg, #d8dbe2 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #d8dbe2 75%),
        linear-gradient(-45deg, transparent 75%, #d8dbe2 75%),
        #ffffff;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    background-size: 20px 20px;
}

.pbr-source-summary > div {
    display: grid;
    gap: 8px;
    min-width: 0;
}

.pbr-source-summary h2 {
    margin: 0;
    font-size: 1.25rem;
    line-height: 1.05;
    overflow-wrap: anywhere;
}

.pbr-source-summary dl {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
    margin: 4px 0 0;
}

.pbr-source-summary dl div {
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.82);
}

.pbr-source-summary dt,
.pbr-source-summary dd,
.pbr-source-summary p {
    margin: 0;
}

.pbr-source-summary dt {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 900;
    text-transform: uppercase;
}

.pbr-source-summary dd {
    color: var(--ink);
    font-weight: 900;
    overflow-wrap: anywhere;
    line-height: 1.15;
}

.pbr-source-summary div > p:not(.eyebrow) {
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 800;
    line-height: 1.35;
}

.noise-tool,
.texture-tool {
    grid-area: noise;
    padding: 26px;
}

.normal-tool {
    padding: 22px;
}

.single-tool .noise-tool,
.single-tool .texture-tool,
.single-tool .normal-tool {
    grid-area: auto;
}

.single-tool {
    min-height: calc(100vh - 96px);
}

.stage-heading {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: end;
    margin-bottom: 20px;
}

.stage-heading p {
    max-width: 420px;
    margin: 0;
}

.swatch-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.swatch-card {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
    overflow: hidden;
}

.swatch-fill {
    min-height: 190px;
}

.swatch-meta {
    display: grid;
    gap: 8px;
    padding: 14px;
}

.swatch-meta span {
    font-weight: 800;
}

.swatch-meta small {
    color: var(--muted);
    overflow-wrap: anywhere;
}

.copy-chip {
    width: fit-content;
    max-width: 100%;
    min-height: 34px;
    cursor: pointer;
    border: 1px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
    color: var(--ink);
    padding: 6px 10px;
    font-weight: 800;
}

.palette-page .swatch-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    height: auto;
}

.palette-page .swatch-card {
    display: grid;
    grid-template-rows: minmax(190px, 1fr) auto;
    border: 2px solid var(--ink);
    min-height: 360px;
}

.palette-page .swatch-fill {
    min-height: 190px;
}

.palette-page .swatch-meta {
    min-height: 150px;
    align-content: start;
    background: #ffffff;
}

.palette-page .swatch-meta span {
    font-size: 1.25rem;
}

.biome-stage #biome-board {
    display: grid;
    align-content: start;
    align-items: start;
    gap: 20px;
}

.biome-generator-page .biome-pack {
    margin-top: 0;
}

.biome-generator-page .palette-stage {
    min-height: calc(100vh - 120px);
}

.biome-generator-page .swatch-grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}

.biome-generator-page .swatch-card {
    grid-template-rows: minmax(110px, 150px) auto;
    min-height: 250px;
}

.biome-generator-page .swatch-fill {
    min-height: 110px;
}

.biome-generator-page .swatch-meta {
    min-height: 128px;
}

.biome-generator-page .swatch-meta span {
    font-size: 1rem;
}

.noise-workbench {
    display: grid;
    grid-template-columns: minmax(300px, 420px) minmax(0, 1fr);
    gap: 18px;
    align-items: stretch;
}

.normal-workbench {
    display: grid;
    grid-template-columns: minmax(340px, 480px) minmax(0, 1fr);
    gap: 20px;
    align-items: stretch;
}

.texture-workbench {
    display: grid;
    grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
    gap: 18px;
    align-items: stretch;
}

.noise-controls,
.texture-controls,
.normal-controls {
    display: grid;
    align-content: start;
    gap: 14px;
    padding: 18px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(0, 168, 198, 0.1), transparent 160px),
        #ffffff;
    box-shadow: var(--panel-shadow);
}

.normal-controls {
    max-height: calc(100vh - 152px);
    overflow-x: hidden;
    overflow-y: auto;
}

.texture-controls textarea,
.texture-controls select {
    width: 100%;
    min-width: 0;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
    color: var(--ink);
    font: inherit;
}

.texture-controls textarea {
    min-height: 120px;
    padding: 12px;
    resize: vertical;
}

.texture-controls select {
    min-height: 44px;
    padding: 0 12px;
}

.control-row {
    display: grid;
    gap: 8px;
}

.control-row label,
.check-control {
    color: var(--ink);
    font-weight: 800;
}

.control-row label {
    display: flex;
    justify-content: space-between;
    gap: 14px;
}

.control-row output {
    color: var(--muted);
    font-weight: 800;
}

.seed-row {
    grid-template-columns: minmax(0, 1fr) auto;
}

.seed-row label {
    grid-column: 1 / -1;
}

.seed-row input {
    width: 100%;
    min-width: 0;
}

.noise-controls input[type="text"],
.texture-controls button,
.noise-controls button,
.normal-controls button {
    min-height: 44px;
    border: 2px solid var(--ink);
    border-radius: 8px;
}

.noise-controls input[type="text"] {
    padding: 0 12px;
    background: #ffffff;
    color: var(--ink);
}

.noise-refine-panel {
    display: grid;
    gap: 8px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
}

.ai-refine-panel {
    position: relative;
    display: grid;
    gap: 14px;
    overflow: visible;
    padding: 24px 16px 18px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(90deg, var(--yellow) 0 22%, var(--green) 22% 42%, var(--cyan) 42% 62%, var(--coral) 62% 82%, var(--blue) 82% 100%) left top / 100% 7px no-repeat,
        linear-gradient(135deg, rgba(245, 197, 66, 0.28), rgba(255, 255, 255, 0.96) 46%, rgba(0, 168, 198, 0.22)),
        #ffffff;
    box-shadow: 5px 5px 0 var(--coral), 10px 10px 0 var(--cyan), var(--panel-shadow);
}

.ai-refine-panel label {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 2px;
    font-weight: 900;
    line-height: 1.1;
}

.ai-refine-panel label::before {
    content: "AI";
    display: inline-grid;
    place-items: center;
    min-width: 34px;
    min-height: 28px;
    padding: 0 8px;
    border: 2px solid var(--ink);
    border-radius: 6px;
    background: var(--ink);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 900;
    box-shadow: 3px 3px 0 var(--yellow);
}

.ai-refine-panel textarea {
    width: 100%;
    min-height: 118px;
    resize: vertical;
    border: 2px solid var(--ink);
    border-radius: 8px;
    padding: 14px 12px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--ink);
    font: inherit;
    font-weight: 800;
    box-shadow: inset 4px 4px 0 rgba(0, 168, 198, 0.12);
}

.ai-refine-panel textarea:focus {
    outline: 3px solid var(--yellow);
    outline-offset: 2px;
}

.material-intelligence {
    margin: 0;
    padding: 10px 12px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #e2f5f2;
    color: var(--ink);
    font-weight: 900;
    line-height: 1.35;
    box-shadow: 4px 4px 0 var(--yellow);
}

.noise-refine-panel label {
    font-weight: 900;
}

.noise-refine-panel textarea {
    width: 100%;
    min-height: 82px;
    resize: vertical;
    border: 2px solid var(--ink);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--ink);
    font: inherit;
}

.noise-refine-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.noise-refine-presets button {
    min-height: 34px;
    border-width: 1px;
    font-size: 0.88rem;
}

.noise-controls input[type="range"] {
    width: 100%;
    accent-color: var(--blue);
}

.normal-controls input[type="range"] {
    width: 100%;
    accent-color: var(--blue);
}

.noise-controls button,
.texture-controls button,
.normal-controls button {
    cursor: pointer;
    padding: 0 12px;
    background: #ffffff;
    color: var(--ink);
    font-weight: 800;
}

.ai-refine-panel button {
    min-height: 50px;
    background: var(--coral) !important;
    color: #ffffff !important;
    font-weight: 900;
    box-shadow: 5px 5px 0 var(--yellow), 9px 9px 0 var(--ink);
    transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.ai-refine-panel button:hover,
.ai-refine-panel button:focus-visible {
    background: var(--green) !important;
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 var(--cyan), 12px 12px 0 var(--ink);
}

.lighting-dropdown {
    display: grid;
    margin: 2px 0 8px;
}

.lighting-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    cursor: pointer;
    background:
        linear-gradient(90deg, rgba(245, 197, 66, 0.28), rgba(0, 168, 198, 0.18)),
        #ffffff !important;
    color: var(--ink) !important;
    font: inherit;
    font-weight: 900 !important;
    text-align: left;
    box-shadow: 4px 4px 0 var(--cyan), 8px 8px 0 var(--ink);
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.lighting-dropdown-toggle:hover,
.lighting-dropdown-toggle:focus-visible {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--yellow), 10px 10px 0 var(--ink);
}

.lighting-dropdown-toggle::after {
    content: "+";
    display: inline-grid;
    place-items: center;
    width: 30px;
    min-width: 30px;
    height: 30px;
    border: 2px solid var(--ink);
    border-radius: 6px;
    background: var(--ink);
    color: #ffffff;
    font-size: 1.2rem;
    line-height: 1;
}

.lighting-dropdown-toggle[aria-expanded="true"]::after {
    content: "-";
}

.lighting-dropdown-toggle small {
    margin-left: auto;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
}

.lighting-dropdown-body {
    display: grid;
    gap: 12px;
    max-height: 560px;
    overflow: hidden;
    opacity: 1;
    margin-top: 10px;
    padding: 12px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 4px 4px 0 var(--cyan), 8px 8px 0 var(--ink);
    transition:
        max-height 240ms ease,
        opacity 180ms ease,
        margin-top 240ms ease,
        padding 240ms ease,
        border-color 180ms ease,
        box-shadow 180ms ease;
}

.lighting-dropdown-body[aria-hidden="true"] {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-color: transparent;
    box-shadow: none;
    pointer-events: none;
}

.normal-controls select {
    width: 100%;
    min-height: 42px;
    padding: 0 12px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
    color: var(--ink);
    font: inherit;
    font-weight: 800;
}

.texture-controls button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.texture-controls button:disabled {
    cursor: wait;
    opacity: 0.86;
}

.texture-controls button.is-loading .button-spinner {
    display: inline-block;
    animation: button-spin 760ms linear infinite;
}

.texture-action-grid,
.texture-output-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.texture-model-indicator {
    display: grid;
    gap: 8px;
    padding: 12px 14px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(90deg, rgba(245, 197, 66, 0.16), rgba(0, 168, 198, 0.12)),
        #ffffff;
}

.texture-model-indicator-copy {
    display: grid;
    gap: 4px;
}

.texture-model-indicator strong {
    color: var(--ink);
    font-size: 1.08rem;
    line-height: 1.1;
}

.texture-model-indicator small {
    color: var(--muted);
    font-weight: 800;
}

.texture-model-indicator-tier-2 {
    background:
        linear-gradient(135deg, rgba(229, 72, 77, 0.12), transparent 46%),
        linear-gradient(315deg, rgba(0, 168, 198, 0.14), transparent 58%),
        #ffffff;
}

.texture-model-indicator-tier-3 {
    background:
        radial-gradient(circle at top right, rgba(245, 197, 66, 0.26), transparent 34%),
        linear-gradient(135deg, rgba(0, 143, 104, 0.14), transparent 44%),
        linear-gradient(315deg, rgba(0, 168, 198, 0.14), transparent 58%),
        #fffef6;
}

.texture-output-actions {
    grid-template-columns: 1fr;
}

.texture-action-panel {
    display: grid;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff9e8;
}

.texture-action-panel-pbr {
    background: #e2f5f2;
}

.texture-action-panel p {
    margin: 0;
    color: var(--muted);
    line-height: 1.4;
}

.texture-action-panel p strong {
    color: var(--ink);
}

.texture-pbr-map-hint {
    padding: 8px 10px;
    border: 1px solid rgba(0, 136, 95, 0.26);
    border-radius: 8px;
    background: #ffffff;
    font-size: 0.92rem;
}

.texture-action-panel > div {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.texture-action-panel-pbr > div {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
    align-items: stretch;
}

.texture-prompt-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.texture-prompt-chips button {
    min-height: 34px;
    border-width: 1px;
    background: #ffffff;
    color: var(--muted);
    font-size: 0.88rem;
}

.texture-prompt-options {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.texture-status,
.texture-prompt-output,
.texture-seed-output {
    margin: 0;
    color: var(--muted);
    line-height: 1.45;
}

.texture-prompt-output,
.texture-seed-output {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff9e8;
    color: var(--ink);
    font-weight: 800;
}

.texture-seed-output {
    background: #e2f5f2;
}

.texture-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 12px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    font-weight: 800;
}

.texture-variation-button,
.texture-tileable-button,
.texture-compare-button {
    background: var(--blue) !important;
}

.texture-send-pbr {
    border-color: var(--green) !important;
    background: #ffffff !important;
    color: var(--green) !important;
}

.texture-generate-pbr {
    background: var(--coral) !important;
    min-height: 52px;
    font-size: 1rem;
    box-shadow: 0 4px 0 var(--ink);
}

.file-control {
    display: grid;
    gap: 8px;
}

.file-control label {
    color: var(--ink);
    font-weight: 800;
}

.file-control input {
    width: 100%;
    min-width: 0;
    padding: 10px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
}

.tool-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.advanced-options-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 52px;
    background:
        linear-gradient(90deg, rgba(245, 197, 66, 0.26), rgba(0, 168, 198, 0.18)),
        #ffffff !important;
    color: var(--ink) !important;
    font-weight: 900 !important;
    box-shadow: 5px 5px 0 var(--yellow), 9px 9px 0 var(--ink);
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.advanced-options-toggle::after {
    content: "+";
    display: inline-grid;
    place-items: center;
    width: 30px;
    min-width: 30px;
    height: 30px;
    border: 2px solid var(--ink);
    border-radius: 6px;
    background: var(--ink);
    color: #ffffff;
    font-size: 1.2rem;
    line-height: 1;
}

.advanced-options-toggle[aria-expanded="true"] {
    background: var(--green) !important;
    color: #ffffff !important;
    box-shadow: 5px 5px 0 var(--cyan), 9px 9px 0 var(--ink);
}

.advanced-options-toggle[aria-expanded="true"]::after {
    content: "-";
    background: #ffffff;
    color: var(--ink);
}

.advanced-options-toggle:hover,
.advanced-options-toggle:focus-visible {
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 var(--coral), 12px 12px 0 var(--ink);
}

.advanced-options-shell {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows 240ms ease, opacity 180ms ease;
}

.advanced-options-shell.is-open {
    grid-template-rows: 1fr;
    opacity: 1;
}

.advanced-options-inner {
    display: grid;
    gap: 14px;
    min-height: 0;
    overflow: hidden;
    padding: 0 4px;
}

.advanced-options-shell.is-open .advanced-options-inner {
    padding: 4px 4px 12px;
}

.tab-button {
    min-width: 0;
    min-height: 44px;
    cursor: pointer;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
    color: var(--ink);
    font-weight: 800;
    overflow-wrap: anywhere;
    white-space: normal;
}

.tab-button.is-active {
    background: var(--blue);
    color: #ffffff;
}

.tab-panel {
    display: grid;
    gap: 14px;
}

.tab-panel[hidden] {
    display: none;
}

.mask-panel {
    display: grid;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
}

.mask-slot {
    display: grid;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f3faf8;
}

.mask-helper {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0;
}

.color-pick-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 54px 36px;
    gap: 10px;
    align-items: center;
}

.color-pick-row label {
    color: var(--ink);
    font-weight: 800;
}

.color-pick-row span:first-child {
    color: var(--ink);
    font-weight: 800;
}

.color-pick-row input {
    width: 54px;
    height: 38px;
    min-width: 0;
    padding: 2px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
}

.mask-color-chip {
    width: 36px;
    height: 36px;
    border: 2px solid var(--ink);
    border-radius: 8px;
}

.slot-pick-button {
    min-height: 42px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
    color: var(--ink);
    cursor: pointer;
    font: inherit;
    font-weight: 900;
}

.slot-pick-button:hover {
    background: #e4f1f0;
}

.slot-pick-button.is-active {
    background: #bdeee8;
}

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

.check-control {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
}

.check-control:hover {
    border-color: var(--cyan);
}

.check-control input {
    width: 18px;
    height: 18px;
    accent-color: var(--green);
}

.download-button {
    background: var(--green) !important;
    color: #ffffff !important;
}

.export-all-button {
    background: var(--coral) !important;
}

.export-panel {
    display: grid;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff9e8;
}

.export-panel .eyebrow {
    margin-bottom: 6px;
}

.packed-action-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.packed-button,
.export-packed-button,
.material-pack-button {
    background: var(--blue) !important;
}

.packed-action-grid .packed-button:last-child,
.export-packed-button,
.material-pack-button {
    grid-column: 1 / -1;
}

.noise-preview {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 520px;
    padding: 18px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(45deg, #d8dbe2 25%, transparent 25%),
        linear-gradient(-45deg, #d8dbe2 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #d8dbe2 75%),
        linear-gradient(-45deg, transparent 75%, #d8dbe2 75%),
        #ffffff;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0;
    background-size: 24px 24px;
}

.texture-preview-panel {
    display: grid;
    min-width: 0;
    min-height: 620px;
    padding: 18px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(245, 197, 66, 0.2), transparent 52%),
        linear-gradient(315deg, rgba(0, 168, 198, 0.18), transparent 48%),
        #ffffff;
}

.texture-preview-frame {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(45deg, #d8dbe2 25%, transparent 25%),
        linear-gradient(-45deg, #d8dbe2 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #d8dbe2 75%),
        linear-gradient(-45deg, transparent 75%, #d8dbe2 75%),
        #ffffff;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0;
    background-size: 24px 24px;
}

.texture-preview-frame img {
    display: block;
    width: min(100%, 820px);
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: contain;
}

.texture-preview-frame img[hidden] {
    display: none;
}

.texture-preview-frame p {
    max-width: 320px;
    margin: 0;
    padding: 18px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
    color: var(--muted);
    font-weight: 800;
    text-align: center;
}

#noise-canvas {
    display: block;
    width: min(100%, 620px);
    height: auto;
    aspect-ratio: 1 / 1;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #ffffff;
    image-rendering: pixelated;
}

.normal-preview-stack {
    display: grid;
    gap: 18px;
    min-width: 0;
}

.pbr-preview {
    position: relative;
    min-width: 0;
    min-height: min(62vh, 760px);
    overflow: hidden;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #15161a;
}

.pbr-preview canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.preview-hint {
    position: absolute;
    right: 14px;
    bottom: 14px;
    left: 14px;
    z-index: 2;
    padding: 10px 12px;
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 8px;
    background: rgba(21, 22, 26, 0.72);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 800;
    pointer-events: none;
}

.normal-map-output {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
    padding: 16px;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background:
        linear-gradient(90deg, rgba(245, 197, 66, 0.18), transparent 38%),
        #ffffff;
    box-shadow: var(--panel-shadow);
}

.map-canvas-panel {
    display: grid;
    gap: 12px;
    min-width: 0;
}

.normal-map-output p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

.normal-map-output canvas {
    display: block;
    width: min(100%, var(--map-size, 1024px));
    height: auto;
    aspect-ratio: 1 / 1;
    border: 2px solid var(--ink);
    border-radius: 8px;
    background: #8080ff;
}

#height-canvas {
    cursor: crosshair;
    background: #ffffff;
}

#mask-canvas {
    background: #000000;
}

#surface-canvas {
    background: #808080;
}

#metallic-canvas {
    background: #000000;
}

#ao-canvas {
    background: #ffffff;
}

#height-map-canvas {
    background: #808080;
}


@media (min-width: 901px) {
    .normal-controls {
        position: sticky;
        top: 92px;
    }
}

@media (max-width: 900px) {
    .pbr-preview {
        min-height: 440px;
    }

    .normal-map-output {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .normal-tool {
        padding: 18px;
    }

    .toggle-grid,
    .pbr-source-summary,
    .pbr-source-summary dl,
    .packed-action-grid {
        grid-template-columns: 1fr;
    }

    .normal-map-output,
    .color-pick-row {
        grid-template-columns: 1fr;
    }

    .pbr-preview {
        min-height: 360px;
    }
}

/* TEXELMATIC PBR workstation redesign */
.pbr-tool-page .normal-tool {
    padding: 0;
    border: 3px solid var(--tx-ink);
    border-radius: 2px;
    background: var(--tx-paper);
    box-shadow: 6px 6px 0 var(--tx-ink);
}

.pbr-system-line {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 16px;
    border-bottom: 3px solid var(--tx-ink);
    background: var(--tx-brown);
    color: var(--tx-paper);
    font: 700 0.68rem/1 "Courier New", monospace;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pbr-system-line span:first-child {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pbr-system-line i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #91b83d;
    box-shadow: 0 0 10px #bde35c;
}

.pbr-tool-page .stage-heading {
    position: relative;
    margin: 0;
    padding: clamp(26px, 3.5vw, 48px);
    border-bottom: 3px solid var(--tx-ink);
}

.pbr-tool-page .stage-heading::after {
    content: "02";
    position: absolute;
    top: 50%;
    right: clamp(24px, 3vw, 48px);
    z-index: 0;
    color: rgba(237, 106, 44, 0.12);
    font: 900 clamp(5rem, 10vw, 10rem)/0.8 Impact, Haettenschweiler, sans-serif;
    transform: translateY(-50%);
    pointer-events: none;
}

.pbr-tool-page .stage-heading > * {
    position: relative;
    z-index: 1;
}

.pbr-tool-page .stage-heading h1 {
    font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
    font-size: clamp(3.3rem, 6.4vw, 7.4rem);
    letter-spacing: 0.015em;
    line-height: 0.86;
}

.pbr-tool-page .stage-heading > p {
    max-width: 440px;
    color: #625849;
    font-weight: 700;
    line-height: 1.55;
}

.pbr-tool-page .normal-workbench {
    grid-template-columns: minmax(330px, 420px) minmax(0, 1fr);
    gap: 22px;
    padding: clamp(16px, 2.2vw, 30px);
    background:
        linear-gradient(rgba(23, 23, 19, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 23, 19, 0.035) 1px, transparent 1px),
        #e8ddbc;
    background-size: 20px 20px;
}

.pbr-tool-page .normal-controls {
    gap: 12px;
    max-height: calc(100vh - 118px);
    padding: 16px;
    border: 3px solid var(--tx-ink);
    border-radius: 2px;
    background:
        linear-gradient(180deg, rgba(36, 125, 120, 0.12), transparent 170px),
        var(--tx-paper);
    box-shadow: 5px 5px 0 var(--tx-ink);
    scrollbar-color: var(--tx-orange) var(--tx-paper);
    scrollbar-width: thin;
}

.pbr-tool-page .normal-controls::-webkit-scrollbar {
    width: 10px;
}

.pbr-tool-page .normal-controls::-webkit-scrollbar-track {
    border-left: 2px solid var(--tx-ink);
    background: var(--tx-paper);
}

.pbr-tool-page .normal-controls::-webkit-scrollbar-thumb {
    border: 2px solid var(--tx-ink);
    background: var(--tx-orange);
}

.pbr-tool-page .file-control {
    padding: 12px;
    border: 2px solid var(--tx-ink);
    background: var(--tx-amber);
}

.pbr-tool-page .file-control label,
.pbr-tool-page .control-row label {
    font-family: "Courier New", monospace;
    font-size: 0.73rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.pbr-tool-page .file-control input {
    min-height: 48px;
    padding: 6px;
    border: 2px solid var(--tx-ink);
    border-radius: 0;
    background: var(--tx-paper);
    font: 700 0.72rem/1 "Courier New", monospace;
}

.pbr-tool-page .file-control input::file-selector-button {
    min-height: 32px;
    margin-right: 9px;
    padding: 0 10px;
    border: 2px solid var(--tx-ink);
    background: var(--tx-orange);
    color: var(--tx-ink);
    cursor: pointer;
    font: 900 0.66rem/1 "Courier New", monospace;
    text-transform: uppercase;
}

.pbr-tool-page .control-row {
    padding: 8px 2px;
}

.pbr-tool-page .control-row output {
    min-width: 46px;
    padding: 3px 6px;
    border: 1px solid var(--tx-ink);
    background: var(--tx-ink);
    color: var(--tx-paper);
    font: 900 0.66rem/1 "Courier New", monospace;
    text-align: center;
}

.pbr-tool-page .normal-controls input[type="range"] {
    accent-color: var(--tx-orange);
}

.pbr-tool-page .toggle-grid {
    gap: 6px;
}

.pbr-tool-page .check-control {
    min-height: 42px;
    padding: 8px 9px;
    border: 2px solid #a99e82;
    border-radius: 0;
    background: rgba(248, 242, 223, 0.8);
    font: 900 0.7rem/1.2 "Courier New", monospace;
    text-transform: uppercase;
}

.pbr-tool-page .check-control:hover {
    border-color: var(--tx-ink);
    background: #fff8e5;
}

.pbr-tool-page .check-control input {
    accent-color: var(--tx-teal);
}

.pbr-tool-page .tool-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
    padding: 6px;
    border: 2px solid var(--tx-ink);
    background: var(--tx-brown);
}

.pbr-tool-page .tab-button {
    min-height: 46px;
    padding: 6px;
    border: 2px solid var(--tx-paper);
    border-radius: 0;
    background: transparent;
    color: var(--tx-paper);
    font: 900 0.65rem/1.1 "Courier New", monospace;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.pbr-tool-page .tab-button:hover,
.pbr-tool-page .tab-button:focus-visible {
    background: var(--tx-avocado);
}

.pbr-tool-page .tab-button.is-active {
    border-color: var(--tx-ink);
    background: var(--tx-orange);
    color: var(--tx-ink);
    box-shadow: inset 0 -4px 0 var(--tx-amber);
}

.pbr-tool-page .ai-refine-panel {
    gap: 12px;
    padding: 18px 14px 14px;
    border: 3px solid var(--tx-ink);
    border-radius: 0;
    background:
        linear-gradient(90deg, var(--tx-orange) 0 30%, var(--tx-amber) 30% 56%, var(--tx-avocado) 56% 78%, var(--tx-teal) 78%) left top / 100% 7px no-repeat,
        #f5ecd3;
    box-shadow: 5px 5px 0 var(--tx-ink);
}

.pbr-tool-page .ai-refine-panel label {
    font-family: "Courier New", monospace;
    font-size: 0.74rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.pbr-tool-page .ai-refine-panel label::before {
    min-width: 38px;
    min-height: 28px;
    border-radius: 0;
    background: var(--tx-brown);
    color: var(--tx-amber);
    font-family: "Courier New", monospace;
    box-shadow: 3px 3px 0 var(--tx-orange);
}

.pbr-tool-page .ai-refine-panel textarea {
    min-height: 96px;
    padding: 12px;
    border: 2px solid var(--tx-ink);
    border-radius: 0;
    background: var(--tx-paper);
    font-family: "Courier New", monospace;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: inset 3px 3px 0 rgba(23, 23, 19, 0.08);
}

.pbr-tool-page .ai-refine-panel button {
    min-height: 48px;
    border-radius: 0;
    background: var(--tx-orange) !important;
    color: var(--tx-ink) !important;
    font: 900 0.73rem/1 "Courier New", monospace;
    text-transform: uppercase;
    box-shadow: 4px 4px 0 var(--tx-ink);
}

.pbr-tool-page .ai-refine-panel button:hover,
.pbr-tool-page .ai-refine-panel button:focus-visible {
    background: var(--tx-teal) !important;
    color: white !important;
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--tx-ink);
}

.pbr-tool-page .material-intelligence {
    border-radius: 0;
    background: #dce6bd;
    box-shadow: 3px 3px 0 var(--tx-ink);
    font-family: "Courier New", monospace;
    font-size: 0.7rem;
}

.pbr-tool-page .lighting-dropdown-toggle,
.pbr-tool-page .advanced-options-toggle {
    min-height: 48px;
    border: 2px solid var(--tx-ink);
    border-radius: 0;
    background: var(--tx-amber) !important;
    color: var(--tx-ink) !important;
    font: 900 0.72rem/1 "Courier New", monospace;
    text-transform: uppercase;
    box-shadow: 4px 4px 0 var(--tx-ink);
}

.pbr-tool-page .advanced-options-toggle {
    background: var(--tx-avocado) !important;
    color: white !important;
}

.pbr-tool-page .lighting-dropdown-toggle:hover,
.pbr-tool-page .lighting-dropdown-toggle:focus-visible,
.pbr-tool-page .advanced-options-toggle:hover,
.pbr-tool-page .advanced-options-toggle:focus-visible {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--tx-ink);
}

.pbr-tool-page .lighting-dropdown-toggle::after,
.pbr-tool-page .advanced-options-toggle::after {
    border-radius: 0;
    background: var(--tx-ink);
    color: var(--tx-paper);
}

.pbr-tool-page .lighting-dropdown-body,
.pbr-tool-page .mask-panel,
.pbr-tool-page .mask-slot,
.pbr-tool-page .export-panel {
    border: 2px solid var(--tx-ink);
    border-radius: 0;
    background: var(--tx-paper);
    box-shadow: 3px 3px 0 var(--tx-ink);
}

.pbr-tool-page .normal-controls select,
.pbr-tool-page .color-pick-row input,
.pbr-tool-page .mask-color-chip,
.pbr-tool-page .slot-pick-button {
    border-radius: 0;
}

.pbr-tool-page .normal-controls button {
    font-family: "Courier New", monospace;
    text-transform: uppercase;
}

.pbr-tool-page .normal-preview-stack {
    gap: 20px;
}

.pbr-tool-page .pbr-preview {
    min-height: min(68vh, 820px);
    border: 10px solid var(--tx-brown);
    border-radius: 20px;
    background:
        repeating-linear-gradient(0deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 4px),
        #121815;
    box-shadow: 6px 6px 0 var(--tx-orange), 11px 11px 0 var(--tx-ink), inset 0 0 40px rgba(0,0,0,0.55);
}

.pbr-tool-page .pbr-preview::before {
    content: "LIVE MATERIAL PREVIEW / CH A-84";
    position: absolute;
    top: 12px;
    left: 14px;
    z-index: 3;
    padding: 6px 8px;
    border: 1px solid rgba(190, 226, 148, 0.55);
    background: rgba(18, 24, 21, 0.8);
    color: #bee294;
    font: 700 0.62rem/1 "Courier New", monospace;
    letter-spacing: 0.08em;
    pointer-events: none;
}

.pbr-tool-page .preview-hint {
    right: 12px;
    bottom: 12px;
    left: 12px;
    padding: 9px 11px;
    border: 1px solid rgba(190, 226, 148, 0.45);
    border-radius: 0;
    background: rgba(18, 24, 21, 0.84);
    color: #bee294;
    font: 700 0.7rem/1.2 "Courier New", monospace;
    text-transform: uppercase;
}

.pbr-tool-page .normal-map-output {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    padding: 18px;
    border: 3px solid var(--tx-ink);
    border-radius: 2px;
    background: var(--tx-paper);
    box-shadow: 6px 6px 0 var(--tx-ink);
}

.pbr-tool-page .normal-map-output::before {
    content: "MAP INSPECTION RACK / LIVE OUTPUTS";
    grid-column: 1 / -1;
    padding: 0 0 12px;
    border-bottom: 3px solid var(--tx-ink);
    color: var(--tx-red);
    font: 900 0.68rem/1 "Courier New", monospace;
    letter-spacing: 0.08em;
}

.pbr-tool-page .map-canvas-panel {
    align-content: start;
    gap: 10px;
    padding: 10px;
    border: 2px solid #a99e82;
    background: #f4ecd5;
}

.pbr-tool-page .map-canvas-panel > div:first-child,
.pbr-tool-page .map-canvas-panel > strong:first-child {
    font-family: "Courier New", monospace;
    text-transform: uppercase;
}

.pbr-tool-page .normal-map-output p {
    color: #675d4e;
    font-family: "Courier New", monospace;
    font-size: 0.68rem;
    line-height: 1.4;
}

.pbr-tool-page .normal-map-output canvas {
    border: 3px solid var(--tx-ink);
    border-radius: 0;
    box-shadow: 3px 3px 0 rgba(23, 23, 19, 0.3);
}

.pbr-tool-page .download-button,
.pbr-tool-page .export-all-button,
.pbr-tool-page .packed-button,
.pbr-tool-page .export-packed-button,
.pbr-tool-page .material-pack-button {
    border-radius: 0;
    box-shadow: 3px 3px 0 var(--tx-ink);
}

@media (max-width: 1100px) {
    .pbr-tool-page .normal-workbench {
        grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
    }

    .pbr-tool-page .normal-map-output {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .pbr-system-line span:nth-child(2) {
        display: none;
    }

    .pbr-tool-page .normal-workbench {
        grid-template-columns: 1fr;
    }

    .pbr-tool-page .normal-controls {
        position: static;
        max-height: none;
    }

    .pbr-tool-page .pbr-preview {
        min-height: 480px;
    }
}

@media (max-width: 640px) {
    .pbr-system-line {
        padding: 9px 11px;
    }

    .pbr-system-line span:last-child {
        display: none;
    }

    .pbr-tool-page .stage-heading {
        align-items: start;
        flex-direction: column;
        padding: 24px 18px;
    }

    .pbr-tool-page .stage-heading h1 {
        font-size: clamp(3rem, 16vw, 4.8rem);
    }

    .pbr-tool-page .normal-workbench {
        padding: 12px;
    }

    .pbr-tool-page .normal-controls {
        padding: 12px;
    }

    .pbr-tool-page .tool-tabs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pbr-tool-page .pbr-preview {
        min-height: 360px;
        border-width: 7px;
        border-radius: 14px;
    }

    .pbr-tool-page .normal-map-output {
        grid-template-columns: 1fr;
        padding: 12px;
    }
}