.support-diagram-panel {
    grid-column: 1 / -1;
    min-width: 0;
}

.support-diagram {
    --support-ink: #172033;
    --support-navy: #1e4268;
    --support-teal: #1597a8;
    --support-muted: #607487;
    --support-line: #d3e0e8;
    overflow: hidden;
    border: 1px solid #bcdce4;
    border-radius: 14px;
    background: #f7fbfd;
    color: var(--support-ink);
}

.support-diagram button {
    font: inherit;
}

.support-diagram-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    border-bottom: 1px solid var(--support-line);
    background:
        radial-gradient(circle at 8% 0%, rgba(21, 151, 168, 0.12), transparent 36%),
        #ffffff;
    padding: 18px 20px;
}

.support-diagram-heading > div > span {
    display: block;
    margin-bottom: 4px;
    color: #16697a;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.support-diagram-heading h2 {
    margin: 0 0 5px;
    color: var(--support-ink);
    font-size: 20px;
}

.support-diagram-heading p {
    max-width: 720px;
    font-size: 13px;
    line-height: 1.5;
}

.support-diagram-heading > strong {
    flex: 0 0 auto;
    border: 1px solid #c8dce4;
    border-radius: 999px;
    background: #eef8fa;
    color: #16697a;
    padding: 7px 10px;
    font-size: 9px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.support-diagram-layout {
    display: grid;
    grid-template-columns: minmax(220px, 250px) minmax(0, 1fr);
    min-width: 0;
}

.support-diagram-controls {
    border-right: 1px solid var(--support-line);
    background: #ffffff;
    padding: 16px;
}

.support-diagram-controls h3,
.support-diagram-stage-shell h3 {
    margin: 0;
    color: var(--support-ink);
    font-size: 15px;
}

.support-diagram-controls > p {
    margin: 5px 0 14px;
    font-size: 11px;
    line-height: 1.5;
}

.support-model-picker {
    display: grid;
    gap: 7px;
}

.support-model-button {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    align-items: center;
    gap: 9px;
    width: 100%;
    border: 1px solid #d7e3ea;
    border-radius: 10px;
    background: #f8fbfd;
    color: var(--support-ink);
    padding: 9px;
    text-align: left;
    cursor: pointer;
    transition:
        border-color 0.16s ease,
        background-color 0.16s ease,
        transform 0.16s ease;
}

.support-model-button:hover,
.support-model-button:focus-visible {
    border-color: #8bcbd4;
    background: #f0fafb;
    outline: none;
    transform: translateY(-1px);
}

.support-model-button[aria-pressed="true"] {
    border-color: var(--support-teal);
    background: #e8f7f9;
    box-shadow: inset 3px 0 0 var(--support-teal);
}

.support-model-button > span:first-child {
    display: grid;
    width: 28px;
    height: 28px;
    place-items: center;
    border-radius: 50%;
    background: #dcecf0;
    color: #16697a;
    font-size: 10px;
    font-weight: 900;
}

.support-model-button[aria-pressed="true"] > span:first-child {
    background: var(--support-teal);
    color: #ffffff;
}

.support-model-button strong,
.support-model-button small {
    display: block;
}

.support-model-button strong {
    font-size: 12px;
}

.support-model-button small {
    margin-top: 1px;
    color: var(--support-muted);
    font-size: 9px;
}

.support-model-data {
    margin: 14px 0;
    overflow: hidden;
    border: 1px solid #dbe6ed;
    border-radius: 10px;
}

.support-model-data div {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 7px;
    border-bottom: 1px solid #e3ebf0;
    background: #ffffff;
    padding: 8px 9px;
}

.support-model-data div:last-child {
    border-bottom: 0;
}

.support-model-data dt {
    color: var(--support-muted);
    font-size: 8px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.support-model-data dd {
    margin: 0;
    color: var(--support-ink);
    font-size: 10px;
    font-weight: 700;
    line-height: 1.35;
}

.support-diagram-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
}

.support-diagram-actions button {
    border: 1px solid #b9ccd8;
    border-radius: 8px;
    background: #ffffff;
    color: var(--support-navy);
    padding: 8px 9px;
    font-size: 10px;
    font-weight: 800;
    cursor: pointer;
}

.support-diagram-actions button:hover,
.support-diagram-actions button:focus-visible {
    border-color: var(--support-teal);
    outline: none;
}

.support-diagram-actions button:last-child {
    grid-column: 1 / -1;
    border-color: var(--support-teal);
    background: var(--support-teal);
    color: #ffffff;
}

.support-diagram-note {
    margin: 12px 0 0 !important;
    border-left: 3px solid var(--support-teal);
    padding-left: 9px;
    font-size: 9px !important;
}

.support-diagram-stage-shell {
    min-width: 0;
    background: #f4f9fb;
}

.support-diagram-stage-shell > header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    min-height: 58px;
    border-bottom: 1px solid var(--support-line);
    background: rgba(255, 255, 255, 0.9);
    padding: 12px 15px;
}

.support-diagram-stage-shell > header p {
    margin-top: 3px;
    font-size: 10px;
}

.support-diagram-stage-shell > header > span {
    flex: 0 0 auto;
    border: 1px solid #d6c6ff;
    border-radius: 8px;
    background: #faf7ff;
    color: #5b21b6;
    padding: 7px 9px;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.support-diagram-stage {
    position: relative;
    min-height: 560px;
    overflow: hidden;
    background:
        linear-gradient(rgba(21, 151, 168, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(21, 151, 168, 0.045) 1px, transparent 1px),
        radial-gradient(circle at 50% 42%, #ffffff 0, #f5fafc 46%, #e9f2f6 100%);
    background-size: 32px 32px, 32px 32px, auto;
}

.support-diagram-stage img,
.support-diagram-stage canvas {
    display: block;
    width: 100%;
    height: 560px;
}

.support-diagram-stage img {
    object-fit: contain;
}

.support-diagram-stage canvas {
    cursor: grab;
    touch-action: none;
}

.support-diagram-stage canvas:active {
    cursor: grabbing;
}

.support-diagram-stage [hidden] {
    display: none;
}

.support-diagram-dimensions {
    position: absolute;
    bottom: 16px;
    left: 16px;
    border: 1px solid #ccdde6;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--support-navy);
    padding: 7px 9px;
    font-size: 9px;
    font-weight: 800;
    pointer-events: none;
}

.support-diagram-status {
    min-height: 32px;
    margin: 0;
    border-top: 1px solid var(--support-line);
    background: #ffffff;
    color: var(--support-muted);
    padding: 9px 16px;
    font-size: 10px;
    text-align: center;
}

.support-diagram-link {
    --support-ink: #172033;
    --support-teal: #1597a8;
    --support-muted: #607487;
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: minmax(140px, 190px) minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    overflow: hidden;
    border: 1px solid #bcdce4;
    border-radius: 12px;
    background:
        radial-gradient(circle at 8% 0%, rgba(21, 151, 168, 0.10), transparent 34%),
        linear-gradient(135deg, #f7fcfe, #eef8fb);
    color: var(--support-ink);
    padding: 12px;
    text-decoration: none;
    transition:
        border-color 0.16s ease,
        box-shadow 0.16s ease,
        transform 0.16s ease;
}

.support-diagram-link:hover,
.support-diagram-link:focus-visible {
    border-color: #79c1cd;
    box-shadow: 0 10px 24px rgba(23, 32, 51, 0.12);
    outline: none;
    transform: translateY(-1px);
}

.support-diagram-link img {
    display: block;
    width: 100%;
    height: 104px;
    border: 1px solid #d7e5eb;
    border-radius: 8px;
    background: #ffffff;
    object-fit: cover;
}

.support-diagram-link span {
    min-width: 0;
}

.support-diagram-link small,
.support-diagram-link strong {
    display: block;
}

.support-diagram-link small {
    margin-bottom: 3px;
    color: #16697a;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.support-diagram-link strong {
    margin-bottom: 4px;
    font-size: 15px;
}

.support-diagram-link em {
    color: var(--support-muted);
    font-size: 12px;
    font-style: normal;
    line-height: 1.45;
}

.support-diagram-link > b {
    border-radius: 999px;
    background: var(--support-teal);
    color: #ffffff;
    padding: 8px 11px;
    font-size: 10px;
    white-space: nowrap;
}

@media (max-width: 900px) {
    .support-diagram-layout {
        grid-template-columns: 1fr;
    }

    .support-diagram-controls {
        order: 2;
        border-top: 1px solid var(--support-line);
        border-right: 0;
    }

    .support-diagram-stage-shell {
        order: 1;
    }
}

@media (max-width: 620px) {
    .support-diagram-heading {
        display: block;
        padding: 15px;
    }

    .support-diagram-heading > strong {
        display: inline-block;
        margin-top: 10px;
    }

    .support-diagram-stage-shell > header {
        display: block;
    }

    .support-diagram-stage-shell > header > span {
        display: inline-block;
        margin-top: 8px;
    }

    .support-diagram-stage,
    .support-diagram-stage img,
    .support-diagram-stage canvas {
        min-height: 430px;
        height: 430px;
    }

    .support-diagram-link {
        grid-template-columns: 92px minmax(0, 1fr);
        gap: 11px;
    }

    .support-diagram-link img {
        height: 86px;
    }

    .support-diagram-link > b {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .support-model-button,
    .support-diagram-link {
        transition: none;
    }

    .support-model-button:hover,
    .support-model-button:focus-visible,
    .support-diagram-link:hover,
    .support-diagram-link:focus-visible {
        transform: none;
    }
}