#tn-modelviewer-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background: rgba(0, 5, 4, .72);
    backdrop-filter: blur(10px);
}

#tn-modelviewer-overlay.is-open {
    display: flex;
}

.tn-modelviewer-open {
    overflow: hidden;
}

.tn-modelviewer-dialog {
    width: min(1120px, 96vw);
    max-height: min(820px, 94vh);
    display: grid;
    grid-template-rows: auto minmax(360px, 1fr) auto;
    gap: 14px;
    padding: 16px;
    color: #edfdf7;
    border: 1px solid rgba(91, 255, 214, .25);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(11, 26, 23, .97), rgba(2, 8, 7, .98)),
        radial-gradient(circle at 22% 0%, rgba(20, 180, 142, .20), transparent 35%);
    box-shadow: 0 28px 90px rgba(0, 0, 0, .62);
}

.tn-modelviewer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.tn-modelviewer-kicker {
    margin-bottom: 3px;
    color: #60e6c1;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.tn-modelviewer-title {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    line-height: 1.15;
}

.tn-modelviewer-close,
.tn-modelviewer-retry {
    min-width: 42px;
    height: 38px;
    color: #e9fff8;
    border: 1px solid rgba(91, 255, 214, .28);
    border-radius: 8px;
    background: rgba(13, 34, 30, .9);
    font-weight: 800;
    cursor: pointer;
}

.tn-modelviewer-close:hover,
.tn-modelviewer-retry:hover {
    border-color: rgba(91, 255, 214, .62);
    background: rgba(20, 83, 71, .95);
}

.tn-modelviewer-stage {
    position: relative;
    min-height: 480px;
    overflow: hidden;
    border: 1px solid rgba(129, 255, 223, .18);
    border-radius: 8px;
    background:
        radial-gradient(circle at 50% 15%, rgba(71, 201, 172, .10), transparent 38%),
        linear-gradient(180deg, #0e1817, #050807);
}

#tn-modelviewer-canvas,
#tn-modelviewer-canvas canvas {
    width: 100% !important;
    height: 100% !important;
    min-height: 480px;
    display: block;
}

.tn-modelviewer-status {
    position: absolute;
    left: 16px;
    bottom: 16px;
    max-width: min(680px, calc(100% - 32px));
    padding: 10px 12px;
    color: #dbfff5;
    border: 1px solid rgba(91, 255, 214, .22);
    border-radius: 8px;
    background: rgba(2, 9, 8, .78);
    box-shadow: 0 10px 35px rgba(0, 0, 0, .38);
    font-size: 12px;
    font-weight: 700;
}

.tn-modelviewer-status[data-mode="ready"] {
    color: #b8ffe9;
}

.tn-modelviewer-status[data-mode="warn"] {
    color: #ffe3a3;
    border-color: rgba(255, 198, 89, .35);
}

.tn-modelviewer-status[data-mode="error"] {
    color: #ffb7b7;
    border-color: rgba(255, 101, 101, .42);
}

.tn-modelviewer-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.tn-modelviewer-controls label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 10px;
    color: #ccefe6;
    border: 1px solid rgba(91, 255, 214, .18);
    border-radius: 8px;
    background: rgba(7, 20, 18, .76);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.tn-modelviewer-controls label[hidden] {
    display: none !important;
}

.tn-modelviewer-controls select {
    min-width: 130px;
    height: 28px;
    color: #f7fffc;
    border: 1px solid rgba(91, 255, 214, .24);
    border-radius: 6px;
    background: #071210;
    font-weight: 700;
}

.tn-modelviewer-retry {
    min-width: 88px;
}

@media (max-width: 760px) {
    #tn-modelviewer-overlay {
        padding: 10px;
    }

    .tn-modelviewer-dialog {
        width: 100%;
        max-height: 96vh;
        grid-template-rows: auto minmax(320px, 1fr) auto;
        padding: 12px;
    }

    .tn-modelviewer-title {
        font-size: 16px;
    }

    .tn-modelviewer-stage,
    #tn-modelviewer-canvas,
    #tn-modelviewer-canvas canvas {
        min-height: 360px;
    }

    .tn-modelviewer-controls {
        align-items: stretch;
    }

    .tn-modelviewer-controls label,
    .tn-modelviewer-controls select,
    .tn-modelviewer-retry {
        width: 100%;
    }
}