.ec10-page .igu-response-diagram {
    display: grid;
    gap: 12px;
    overflow: hidden;
    border: 1px solid var(--ec10-line);
    border-radius: 14px;
    background: #fff;
}

.ec10-page .igu-input-preview {
    min-width: 0;
}

.ec10-page .igu-input-preview .igu-diagram-stage {
    padding: 0;
}

.ec10-page .igu-input-preview .igu-diagram-canvas {
    height: 460px;
}

.ec10-page .igu-input-preview .igu-3d-result-strip {
    display: none;
}

.ec10-page .igu-input-preview .igu-3d-info-panel {
    width: min(230px, calc(100% - 24px));
    max-height: calc(100% - 58px);
    border-color: #d4d8dc;
    background: rgba(245, 246, 247, 0.96);
}

.ec10-page .igu-input-preview .igu-diagram-facts {
    padding: 0;
}

.ec10-page .igu-input-preview .igu-3d-stack-row,
.ec10-page .igu-input-preview .igu-diagram-facts > div {
    border-color: #d4d8dc;
    background: #f1f3f4;
}

.ec10-page .igu-input-preview .igu-diagram-note {
    margin: 0;
}

.ec10-page .igu-diagram-heading {
    margin: 0;
    padding: 14px 16px;
    border-bottom: 1px solid #b9d9d7;
    box-shadow: inset 5px 0 0 #4d9895;
    background: #eaf5f4;
}

.ec10-page .igu-diagram-controls {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 14px;
    padding: 0 16px;
}

.ec10-page .igu-diagram-tabs {
    display: inline-flex;
    gap: 5px;
    flex: 0 0 auto;
    padding: 4px;
    border: 1px solid #cbd9df;
    border-radius: 10px;
    background: #f3f7f9;
}

.ec10-page .igu-diagram-tabs button {
    padding: 8px 14px;
    border: 0;
    border-radius: 7px;
    background: transparent;
    color: #405661;
    font-weight: 800;
    cursor: pointer;
}

.ec10-page .igu-diagram-tabs button.is-active {
    background: #4d9895;
    color: #fff;
    box-shadow: 0 3px 9px rgba(49, 105, 102, 0.2);
}

.ec10-page .igu-diagram-selectors {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    width: min(720px, 68%);
    gap: 10px;
}

.ec10-page .igu-diagram-selectors label {
    display: grid;
    min-width: 0;
    gap: 4px;
}

.ec10-page .igu-diagram-selectors label > span {
    color: #5d6d77;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.ec10-page .igu-diagram-selectors select {
    min-width: 0;
    padding-right: 34px;
}

.ec10-page .igu-diagram-stage {
    padding: 0 16px;
}

.ec10-page .igu-diagram-canvas {
    position: relative;
    min-width: 0;
    height: 560px;
    overflow: hidden;
    border: 1px solid #c7d9df;
    border-radius: 12px;
    background:
        radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.94), rgba(240, 247, 249, 0.88) 55%, rgba(231, 241, 244, 0.92)),
        linear-gradient(145deg, #f8fbfc 0%, #edf4f6 100%);
}

.ec10-page .igu-3d-canvas {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    cursor: grab;
    touch-action: none;
}

.ec10-page .igu-3d-canvas:active {
    cursor: grabbing;
}

.ec10-page .igu-diagram-fallback {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 24px;
    color: #5c6f79;
    text-align: center;
}

.ec10-page .igu-3d-result-strip {
    position: absolute;
    z-index: 3;
    top: 12px;
    left: 12px;
    display: grid;
    grid-template-columns: repeat(2, minmax(150px, 1fr));
    width: min(520px, calc(100% - 336px));
    gap: 8px;
    pointer-events: none;
}

.ec10-page .igu-3d-result-strip > div {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    border: 1px solid #c9d9df;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.91);
    box-shadow: 0 8px 20px rgba(39, 74, 88, 0.08);
}

.ec10-page .igu-3d-result-strip span,
.ec10-page .igu-3d-info-panel h3 {
    color: #657680;
    font-size: 0.65rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ec10-page .igu-3d-result-strip strong {
    color: #168a50;
    font-size: 1rem;
}

.ec10-page .igu-3d-info-panel {
    position: absolute;
    z-index: 4;
    top: 12px;
    right: 12px;
    width: 292px;
    max-height: calc(100% - 58px);
    overflow: auto;
    border: 1px solid #c9d9df;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 13px 28px rgba(31, 66, 79, 0.15);
}

.ec10-page .igu-3d-info-panel section {
    padding: 11px 12px;
}

.ec10-page .igu-3d-info-panel section + section {
    border-top: 1px solid #cbdbe0;
}

.ec10-page .igu-3d-info-panel h3 {
    margin: 0 0 8px;
}

.ec10-page .igu-3d-stack {
    display: grid;
    gap: 5px;
}

.ec10-page .igu-3d-stack-row {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr) auto;
    align-items: center;
    gap: 7px;
    padding: 6px 7px;
    border: 1px solid #d2e0e4;
    border-radius: 7px;
    background: #f8fbfc;
}

.ec10-page .igu-3d-stack-bar {
    display: block;
    width: 20px;
    height: 16px;
    border: 1px solid #4192a1;
    border-radius: 3px;
    background: #9ed3de;
}

.ec10-page .igu-3d-stack-row.is-interlayer .igu-3d-stack-bar {
    height: 7px;
    border-color: #b88b08;
    background: #e0ad13;
}

.ec10-page .igu-3d-stack-row.is-gap .igu-3d-stack-bar {
    height: 18px;
    border-style: dashed;
    border-color: #6caaa6;
    background: #dcefed;
}

.ec10-page .igu-3d-stack-row strong,
.ec10-page .igu-3d-stack-row small {
    display: block;
    overflow-wrap: anywhere;
}

.ec10-page .igu-3d-stack-row strong {
    color: #24434f;
    font-size: 0.74rem;
}

.ec10-page .igu-3d-stack-row small {
    margin-top: 1px;
    color: #71838c;
    font-size: 0.63rem;
}

.ec10-page .igu-3d-stack-row em {
    color: #2d4650;
    font-size: 0.7rem;
    font-style: normal;
    font-weight: 850;
    white-space: nowrap;
}

.ec10-page .igu-3d-info-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    padding: 5px 0;
    border-bottom: 1px solid #d9e4e7;
    color: #60727c;
    font-size: 0.73rem;
}

.ec10-page .igu-3d-info-row:last-child {
    border-bottom: 0;
}

.ec10-page .igu-3d-info-row strong {
    color: #243d48;
    text-align: right;
}

.ec10-page .igu-3d-info-result strong,
.ec10-page .igu-3d-info-panel.is-pass .igu-3d-info-result strong {
    color: #168a50;
}

.ec10-page .igu-3d-info-panel.is-fail .igu-3d-info-result strong {
    color: #b4232f;
}

.ec10-page .igu-3d-help {
    position: absolute;
    z-index: 3;
    bottom: 10px;
    left: 50%;
    padding: 6px 10px;
    border: 1px solid rgba(117, 143, 153, 0.25);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.75);
    color: #657a83;
    font-size: 0.66rem;
    font-weight: 750;
    pointer-events: none;
    transform: translateX(-50%);
}

.ec10-page .igu-diagram-facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding: 0 16px;
}

.ec10-page .igu-diagram-facts > div {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    border: 1px solid #c9d9df;
    border-radius: 9px;
    background: #f8fbfc;
}

.ec10-page .igu-diagram-facts span {
    color: #667984;
    font-size: 0.66rem;
    font-weight: 850;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.ec10-page .igu-diagram-facts strong {
    color: #213a45;
}

.ec10-page .igu-diagram-note {
    margin: 0;
    padding: 0 16px 15px;
}

body.theme-dark .ec10-page .igu-response-diagram {
    background: #25242a;
}

body.theme-dark .ec10-page .igu-diagram-heading {
    border-color: #426e6b;
    background: #213d3b;
}

body.theme-dark .ec10-page .igu-diagram-tabs {
    border-color: #4a5158;
    background: #302f37;
}

body.theme-dark .ec10-page .igu-diagram-tabs button {
    color: #d6dce0;
}

body.theme-dark .ec10-page .igu-diagram-canvas {
    border-color: #475861;
    background: radial-gradient(circle at 50% 45%, #2b3338, #20262a 72%);
}

body.theme-dark .ec10-page .igu-3d-result-strip > div,
body.theme-dark .ec10-page .igu-3d-info-panel,
body.theme-dark .ec10-page .igu-3d-help {
    border-color: #4b5960;
    background: rgba(37, 36, 42, 0.94);
}

body.theme-dark .ec10-page .igu-3d-stack-row,
body.theme-dark .ec10-page .igu-diagram-facts > div {
    border-color: #4b5960;
    background: #2d2c33;
}

body.theme-dark .ec10-page .igu-3d-stack-row strong,
body.theme-dark .ec10-page .igu-3d-stack-row em,
body.theme-dark .ec10-page .igu-3d-info-row strong,
body.theme-dark .ec10-page .igu-diagram-facts strong {
    color: #edf4f6;
}

@media (max-width: 980px) {
    .ec10-page .igu-diagram-controls {
        align-items: stretch;
        flex-direction: column;
    }

    .ec10-page .igu-diagram-selectors {
        width: 100%;
    }

    .ec10-page .igu-diagram-canvas {
        height: 700px;
    }

    .ec10-page .igu-3d-result-strip {
        width: calc(100% - 24px);
    }

    .ec10-page .igu-3d-info-panel {
        top: auto;
        right: 12px;
        bottom: 44px;
        left: 12px;
        width: auto;
        max-height: 270px;
    }

    .ec10-page .igu-3d-help {
        bottom: 9px;
    }
}

@media (max-width: 700px) {
    .ec10-page .igu-diagram-tabs,
    .ec10-page .igu-diagram-selectors,
    .ec10-page .igu-diagram-facts {
        grid-template-columns: 1fr;
    }

    .ec10-page .igu-diagram-tabs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    .ec10-page .igu-diagram-stage,
    .ec10-page .igu-diagram-facts {
        padding-inline: 10px;
    }

    .ec10-page .igu-diagram-canvas {
        height: 760px;
    }

    .ec10-page .igu-3d-result-strip {
        grid-template-columns: 1fr;
    }
}