:root {
    --converter-bg: #0b101a;
    --converter-panel: #151d2c;
    --converter-panel-2: #1b2537;
    --converter-border: #2d3a50;
    --converter-muted: #91a1b8;
    --converter-text: #eef4ff;
    --converter-blue: #5b8cff;
    --converter-blue-2: #7968ff;
    --converter-green: #35d69a;
    --converter-warning: #f6bd60;
    --converter-danger: #fb7185;
}

body:has(.model-converter) {
    background: var(--converter-bg);
}

body:has(.model-converter) > footer,
body:has(.model-converter) > .standard-footer {
    margin-top: 0;
}

main:has(.model-converter) {
    padding: 0 !important;
    min-width: 0;
}

.model-converter,
.model-converter * {
    box-sizing: border-box;
}

.model-converter {
    min-height: calc(100vh - 76px);
    background:
        radial-gradient(circle at 50% 0%, rgba(91, 140, 255, 0.09), transparent 32rem),
        var(--converter-bg);
    color: var(--converter-text);
}

.model-converter [hidden] {
    display: none !important;
}

.model-converter button,
.model-converter select,
.model-converter input {
    font: inherit;
}

.model-converter__header {
    min-height: 78px;
    padding: 14px clamp(16px, 2.6vw, 38px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid var(--converter-border);
    background: rgba(15, 22, 34, 0.92);
    backdrop-filter: blur(18px);
}

.model-converter__title-group {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 14px;
}

.model-converter__back {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: grid;
    place-items: center;
    border: 1px solid var(--converter-border);
    border-radius: 12px;
    color: #b8c6da;
    background: #172132;
    transition: border-color .2s ease, color .2s ease, transform .2s ease;
}

.model-converter__back:hover {
    border-color: var(--converter-blue);
    color: #fff;
    transform: translateX(-2px);
}

.model-converter__back svg {
    width: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.model-converter__eyebrow {
    margin-bottom: 2px;
    color: #7ea6ff;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .16em;
}

.model-converter h1 {
    margin: 0;
    color: #fff;
    font-size: clamp(18px, 2vw, 26px);
    line-height: 1.2;
    letter-spacing: -.02em;
}

.model-converter__privacy {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid rgba(53, 214, 154, .25);
    border-radius: 999px;
    color: #a9f3d4;
    background: rgba(53, 214, 154, .08);
    font-size: 12px;
    font-weight: 700;
}

.model-converter__privacy-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--converter-green);
    box-shadow: 0 0 0 4px rgba(53, 214, 154, .12);
}

.model-converter__workspace {
    min-height: 700px;
    display: grid;
    grid-template-columns: minmax(270px, 320px) minmax(360px, 1fr) minmax(280px, 340px);
    border-bottom: 1px solid var(--converter-border);
}

.converter-panel {
    min-width: 0;
    padding: 22px;
    background: var(--converter-panel);
}

.converter-panel--source {
    border-right: 1px solid var(--converter-border);
}

.converter-panel--output {
    border-left: 1px solid var(--converter-border);
}

.converter-panel__heading {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 18px;
}

.converter-panel__heading h2 {
    margin: 0 0 2px;
    color: #fff;
    font-size: 16px;
    line-height: 1.2;
}

.converter-panel__heading p {
    margin: 0;
    color: var(--converter-muted);
    font-size: 11px;
}

.converter-step {
    width: 31px;
    height: 31px;
    flex: 0 0 31px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    color: #fff;
    background: linear-gradient(135deg, var(--converter-blue), var(--converter-blue-2));
    font-size: 13px;
    font-weight: 800;
    box-shadow: 0 7px 18px rgba(91, 140, 255, .22);
}

.converter-drop-zone {
    min-height: 220px;
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 1px dashed #49617f;
    border-radius: 16px;
    outline: none;
    text-align: center;
    background:
        linear-gradient(145deg, rgba(91, 140, 255, .08), rgba(121, 104, 255, .025)),
        #121a28;
    cursor: pointer;
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.converter-drop-zone:hover,
.converter-drop-zone:focus-visible,
.converter-drop-zone.is-dragging {
    border-color: var(--converter-blue);
    background: rgba(91, 140, 255, .12);
    transform: translateY(-1px);
}

.converter-drop-zone__icon {
    width: 44px;
    height: 44px;
    margin-bottom: 3px;
    fill: none;
    stroke: #79a1ff;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.converter-drop-zone strong {
    color: #f8fbff;
    font-size: 14px;
}

.converter-drop-zone > span {
    max-width: 230px;
    color: var(--converter-muted);
    font-size: 11px;
    line-height: 1.5;
}

.converter-button {
    min-height: 38px;
    padding: 8px 13px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: #fff;
    font-size: 12px;
    font-weight: 750;
    cursor: pointer;
    transition: transform .18s ease, border-color .18s ease, background .18s ease, opacity .18s ease;
}

.converter-button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.converter-button:disabled {
    opacity: .45;
    cursor: not-allowed;
}

.converter-button--primary {
    margin-top: 8px;
    padding-inline: 20px;
    background: linear-gradient(135deg, #4f7cf5, #7258f5);
    box-shadow: 0 8px 22px rgba(91, 105, 255, .24);
}

.converter-button--secondary {
    border-color: var(--converter-border);
    background: #202b3e;
}

.converter-button--secondary:hover {
    border-color: #58739a;
    background: #26344b;
}

.converter-button--ghost {
    color: #9db8ef;
    background: transparent;
}

.converter-button--success {
    background: #138b64;
}

.converter-button--wide {
    width: 100%;
}

.converter-source-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
}

.converter-package {
    margin-top: 14px;
    padding: 13px;
    border: 1px solid var(--converter-border);
    border-radius: 14px;
    background: #111925;
}

.converter-package__summary {
    display: flex;
    align-items: center;
    gap: 10px;
}

.converter-texture-help {
    margin: 10px 0 0;
    color: var(--converter-muted);
    font-size: 11px;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.converter-file-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    color: #dce7ff;
    background: linear-gradient(145deg, #3158b2, #694bc8);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: .05em;
}

.converter-package__name-wrap {
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.converter-package__name-wrap strong {
    overflow: hidden;
    color: #fff;
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.converter-package__name-wrap span {
    color: var(--converter-muted);
    font-size: 10px;
}

.converter-icon-button {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 8px;
    color: #8292aa;
    background: transparent;
    cursor: pointer;
}

.converter-icon-button:hover {
    color: #fff;
    background: rgba(255,255,255,.06);
}

.converter-icon-button svg {
    width: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
}

.converter-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-top: 16px;
}

.converter-field > span {
    color: #c6d3e7;
    font-size: 11px;
    font-weight: 750;
}

.converter-field select {
    width: 100%;
    height: 42px;
    padding: 0 36px 0 12px;
    border: 1px solid var(--converter-border);
    border-radius: 10px;
    outline: none;
    color: #f2f6ff;
    background: #101824;
}

.converter-field select:focus {
    border-color: var(--converter-blue);
    box-shadow: 0 0 0 3px rgba(91, 140, 255, .1);
}

.converter-field select:disabled {
    color: #75849b;
    cursor: not-allowed;
}

.converter-dependencies {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.converter-dependency-row {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #aab8cb;
    font-size: 10px;
}

.converter-dependency-row::before {
    content: '';
    width: 7px;
    height: 7px;
    flex: 0 0 7px;
    border-radius: 50%;
    background: var(--converter-green);
}

.converter-dependency-row.is-warning::before {
    background: var(--converter-warning);
}

.converter-file-details {
    margin: 12px 0;
    border-top: 1px solid #263246;
    border-bottom: 1px solid #263246;
}

.converter-file-details summary {
    padding: 9px 0;
    color: #9fb0c7;
    font-size: 10px;
    cursor: pointer;
}

.converter-file-details ul {
    max-height: 150px;
    margin: 0 0 10px;
    padding: 0;
    overflow: auto;
    list-style: none;
}

.converter-file-details li {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    padding: 5px 0;
    color: #c0ccdc;
    font-size: 10px;
}

.converter-file-details li span:first-child {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.converter-file-details li span:last-child {
    flex: 0 0 auto;
    color: #73839a;
}

.converter-format-note {
    margin-top: 16px;
    padding: 12px;
    border: 1px solid rgba(91, 140, 255, .14);
    border-radius: 12px;
    background: rgba(91, 140, 255, .055);
}

.converter-format-note strong {
    color: #a9c2ff;
    font-size: 11px;
}

.converter-format-note p {
    margin: 4px 0 0;
    color: #8191a7;
    font-size: 10px;
    line-height: 1.5;
}

.converter-preview {
    min-width: 0;
    min-height: 620px;
    display: flex;
    flex-direction: column;
    background: #090d14;
}

.converter-preview__toolbar {
    min-height: 54px;
    padding: 9px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--converter-border);
    background: #111925;
}

.converter-preview__toolbar > div:first-child {
    min-width: 0;
    display: flex;
    align-items: baseline;
    gap: 9px;
}

.converter-preview__label {
    color: #eaf1ff;
    font-size: 12px;
    font-weight: 800;
}

.converter-preview__stats {
    overflow: hidden;
    color: #77889f;
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.converter-preview__tools {
    display: flex;
    gap: 6px;
}

.converter-tool-button {
    height: 31px;
    padding: 0 10px;
    border: 1px solid #2c394d;
    border-radius: 8px;
    color: #9eb0c8;
    background: #182233;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
}

.converter-tool-button:hover:not(:disabled),
.converter-tool-button[aria-pressed="true"] {
    border-color: #5877aa;
    color: #fff;
    background: #253550;
}

.converter-tool-button:disabled {
    opacity: .38;
    cursor: not-allowed;
}

.converter-viewport {
    min-height: 0;
    flex: 1;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 38%, rgba(72, 88, 112, .18), transparent 37%),
        #090d14;
}

.converter-viewport::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(5,8,13,.12), transparent 25%, transparent 75%, rgba(5,8,13,.18));
}

#converterCanvas {
    width: 100%;
    height: 100%;
    display: block;
    touch-action: none;
}

.converter-empty-preview,
.converter-loading {
    position: absolute;
    z-index: 3;
    inset: 0;
    padding: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 9px;
    text-align: center;
    background: rgba(9,13,20,.88);
}

.converter-empty-preview__cube {
    width: 76px;
    height: 76px;
    margin-bottom: 7px;
    display: grid;
    place-items: center;
    border: 1px solid #283750;
    border-radius: 20px;
    background: rgba(27,38,57,.65);
}

.converter-empty-preview__cube svg {
    width: 48px;
    fill: none;
    stroke: #49617f;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.converter-empty-preview strong,
.converter-loading strong {
    color: #dce7f9;
    font-size: 14px;
}

.converter-empty-preview span,
.converter-loading > span:last-child {
    max-width: 430px;
    color: #74869f;
    font-size: 11px;
    line-height: 1.6;
}

.converter-spinner {
    width: 38px;
    height: 38px;
    margin-bottom: 7px;
    border: 3px solid rgba(91,140,255,.18);
    border-top-color: var(--converter-blue);
    border-radius: 50%;
    animation: converter-spin .8s linear infinite;
}

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

.converter-viewport__badge {
    position: absolute;
    z-index: 4;
    right: 12px;
    bottom: 10px;
    padding: 5px 8px;
    border: 1px solid rgba(105,130,166,.2);
    border-radius: 7px;
    color: #65778f;
    background: rgba(10,15,23,.72);
    font-size: 8px;
    font-weight: 850;
    letter-spacing: .11em;
}

.converter-warnings {
    max-height: 130px;
    padding: 9px 12px;
    overflow: auto;
    border-top: 1px solid #4f3f25;
    color: #f3ce8b;
    background: #251e15;
    font-size: 10px;
    line-height: 1.5;
}

.converter-warnings p {
    margin: 3px 0;
}

.converter-target-description {
    min-height: 60px;
    margin-top: 12px;
    padding: 11px 12px;
    border: 1px solid #2a374b;
    border-radius: 11px;
    color: #8fa1ba;
    background: #111925;
    font-size: 10px;
    line-height: 1.55;
}

.converter-options {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.converter-check {
    padding: 10px;
    display: flex;
    align-items: flex-start;
    gap: 9px;
    border: 1px solid #29364a;
    border-radius: 10px;
    background: #111925;
    cursor: pointer;
}

.converter-check input {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    margin: 2px 0 0;
    accent-color: var(--converter-blue);
}

.converter-check span {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.converter-check strong {
    color: #dce6f5;
    font-size: 11px;
}

.converter-check small {
    color: #7789a1;
    font-size: 9px;
    line-height: 1.4;
}

.converter-check.is-disabled {
    opacity: .42;
    cursor: not-allowed;
}

.converter-preservation {
    margin-top: 14px;
    padding: 11px;
    border: 1px solid #2b384b;
    border-radius: 11px;
    background: #101722;
}

.converter-preservation h3 {
    margin: 0 0 8px;
    color: #bfcee3;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.converter-preservation-row {
    padding: 4px 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: #899ab1;
    font-size: 10px;
}

.converter-preservation-row strong {
    color: #b9c7da;
    font-weight: 700;
}

.converter-preservation-row .is-kept { color: #72dfb5; }
.converter-preservation-row .is-limited { color: #f0c477; }
.converter-preservation-row .is-dropped { color: #fb8a9c; }

.converter-convert-button {
    width: 100%;
    min-height: 48px;
    margin-top: 17px;
    padding: 11px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 0;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, #4d79ef, #7658f4);
    font-size: 13px;
    font-weight: 850;
    box-shadow: 0 10px 25px rgba(75,93,238,.22);
    cursor: pointer;
    transition: transform .18s ease, filter .18s ease, opacity .18s ease;
}

.converter-convert-button:hover:not(:disabled) {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.converter-convert-button:disabled {
    opacity: .36;
    cursor: not-allowed;
    box-shadow: none;
}

.converter-convert-button svg {
    width: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.converter-progress {
    margin-top: 14px;
    padding: 12px;
    border: 1px solid #2b3a51;
    border-radius: 11px;
    background: #111925;
}

.converter-progress__top {
    display: flex;
    justify-content: space-between;
    color: #c7d4e7;
    font-size: 10px;
}

.converter-progress__track {
    height: 6px;
    margin: 8px 0;
    overflow: hidden;
    border-radius: 999px;
    background: #28354a;
}

.converter-progress__track span {
    width: 0;
    height: 100%;
    display: block;
    border-radius: inherit;
    background: linear-gradient(90deg, #4f83ff, #8b69ff);
    transition: width .25s ease;
}

.converter-progress small {
    color: #71839c;
    font-size: 9px;
}

.converter-result {
    margin-top: 14px;
    padding: 11px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(53,214,154,.28);
    border-radius: 12px;
    background: rgba(23,104,80,.16);
}

.converter-result__icon {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #178b66;
}

.converter-result__icon svg {
    width: 19px;
    fill: none;
    stroke: white;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.converter-result > div:nth-child(2) {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.converter-result strong {
    overflow: hidden;
    color: #eafff7;
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.converter-result span {
    color: #8ed4ba;
    font-size: 9px;
}

.converter-result .converter-button {
    grid-column: 1 / -1;
    width: 100%;
}

.converter-local-copy {
    margin: 15px 0 0;
    display: flex;
    align-items: flex-start;
    gap: 7px;
    color: #71839b;
    font-size: 9px;
    line-height: 1.5;
}

.converter-local-copy svg {
    width: 17px;
    flex: 0 0 17px;
    fill: none;
    stroke: #55cfa2;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.converter-guide {
    max-width: 1120px;
    margin: 0 auto;
    padding: 60px 24px 34px;
}

.converter-guide h2 {
    margin: 0 0 12px;
    color: #fff;
    font-size: clamp(23px, 3vw, 34px);
    letter-spacing: -.03em;
}

.converter-guide > p {
    max-width: 820px;
    margin: 0;
    color: #9bacbf;
    line-height: 1.75;
}

.converter-guide__grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.converter-guide article {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    border: 1px solid #263448;
    border-radius: 14px;
    background: #121a27;
}

.converter-guide article strong {
    color: #dce7f9;
    font-size: 13px;
}

.converter-guide article span {
    color: #8798af;
    font-size: 11px;
    line-height: 1.65;
}

.converter-viewport:fullscreen {
    width: 100vw;
    height: 100vh;
    background: #05070b;
}

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

@media (max-width: 1180px) {
    .model-converter__workspace {
        grid-template-columns: 260px minmax(320px, 1fr) 285px;
    }
    .converter-panel { padding: 16px; }
    .converter-source-actions { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .model-converter__workspace {
        grid-template-columns: minmax(0, 1fr) minmax(280px, 330px);
        grid-template-areas:
            "preview preview"
            "source output";
    }
    .converter-panel--source {
        grid-area: source;
        border-top: 1px solid var(--converter-border);
        border-right: 1px solid var(--converter-border);
    }
    .converter-preview {
        grid-area: preview;
        min-height: min(60vh, 560px);
    }
    .converter-panel--output {
        grid-area: output;
        border-top: 1px solid var(--converter-border);
        border-left: 0;
    }
}

@media (max-width: 640px) {
    .model-converter__header {
        min-height: 66px;
        padding: 10px 12px;
    }
    .model-converter__back {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
    }
    .model-converter__eyebrow { display: none; }
    .model-converter h1 {
        overflow: hidden;
        font-size: 16px;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .model-converter__privacy {
        padding: 7px 9px;
        font-size: 0;
    }
    .model-converter__privacy-dot { margin: 0; }
    .model-converter__workspace {
        display: flex;
        flex-direction: column;
    }
    .converter-preview {
        order: 1;
        min-height: 48vh;
        max-height: 520px;
    }
    .converter-panel--source {
        order: 2;
        border-right: 0;
    }
    .converter-panel--output {
        order: 3;
    }
    .converter-panel {
        padding: 18px 14px;
    }
    .converter-preview__toolbar {
        align-items: center;
    }
    .converter-preview__toolbar > div:first-child {
        display: block;
    }
    .converter-preview__stats {
        display: block;
        margin-top: 2px;
        max-width: 160px;
    }
    .converter-tool-button {
        padding: 0 8px;
    }
    #converterWireframeButton { display: none; }
    .converter-drop-zone { min-height: 190px; }
    .converter-source-actions { grid-template-columns: 1fr 1fr; }
    .converter-guide {
        padding: 42px 16px 24px;
    }
    .converter-guide__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .model-converter *,
    .model-converter *::before,
    .model-converter *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}