#image-viewer.kb-image-viewer {
    --viewer-button-size: 52px;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    box-sizing: border-box;
    display: none;
    align-items: stretch;
    justify-items: stretch;
    align-content: stretch;
    justify-content: stretch;
    grid-template-rows: calc(68px + env(safe-area-inset-top, 0px)) minmax(0, 1fr) calc(64px + env(safe-area-inset-bottom, 0px));
    background: #11161d;
    color: #f5f7fa;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    overflow: hidden;
    overscroll-behavior: contain;
    color-scheme: dark;
}

#image-viewer.kb-image-viewer[open] {
    display: grid;
}

#image-viewer::backdrop {
    background: #11161d;
}

#image-viewer [hidden] {
    display: none !important;
}

html.kb-image-viewer-open {
    overflow: hidden !important;
    overscroll-behavior: none;
    scroll-behavior: auto !important;
}

#image-viewer .kb-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-width: 0;
    padding: env(safe-area-inset-top, 0px) max(24px, env(safe-area-inset-right, 0px)) 0 max(24px, env(safe-area-inset-left, 0px));
}

#image-viewer .kb-viewer-title {
    margin: 0;
    color: #e6ebf1;
    font: 500 16px/1.35 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: 0;
    text-align: left;
}

#image-viewer .kb-viewer-stage {
    position: relative;
    min-width: 0;
    min-height: 0;
    margin: 0 max(92px, calc(env(safe-area-inset-right, 0px) + 76px)) 0 max(92px, calc(env(safe-area-inset-left, 0px) + 76px));
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: pan-y pinch-zoom;
    user-select: none;
    -webkit-user-select: none;
}

#image-viewer #current-image {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 2px;
    box-shadow: none;
    object-fit: contain;
    -webkit-user-drag: none;
}

#image-viewer:not([data-state="ready"]) #current-image {
    visibility: hidden;
}

#image-viewer .kb-viewer-button {
    box-sizing: border-box;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: var(--viewer-button-size);
    height: var(--viewer-button-size);
    min-width: var(--viewer-button-size);
    min-height: var(--viewer-button-size);
    margin: 0;
    padding: 0;
    border: 1px solid #536172;
    border-radius: 50%;
    background: #27313e;
    color: #fff;
    font: inherit;
    line-height: 1;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: background-color 120ms ease, border-color 120ms ease;
}

#image-viewer .kb-viewer-button svg {
    display: block;
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}

#image-viewer .kb-viewer-button:focus-visible,
#image-viewer .kb-viewer-retry:focus-visible {
    outline: 3px solid #ffbf47;
    outline-offset: 4px;
}

#image-viewer .kb-viewer-button[aria-disabled="true"] {
    background: #1a222c;
    border-color: #35404e;
    color: #6e7b8b;
    cursor: default;
}

@media (hover: hover) {
    #image-viewer .kb-viewer-button:not([aria-disabled="true"]):hover {
        background: #3b4b5f;
        border-color: #8c9aad;
    }
}

#image-viewer .kb-viewer-button:not([aria-disabled="true"]):active {
    background: #465970;
}

#image-viewer #prev-image,
#image-viewer #next-image {
    position: absolute;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
}

#image-viewer #prev-image {
    left: max(24px, env(safe-area-inset-left, 0px));
    right: auto;
}

#image-viewer #next-image {
    left: auto;
    right: max(24px, env(safe-area-inset-right, 0px));
}

#image-viewer .kb-viewer-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

#image-viewer #image-count {
    margin: 0;
    color: #d4dce6;
    font: 500 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-variant-numeric: tabular-nums;
    text-align: center;
}

#image-viewer .kb-viewer-message {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 12px;
    color: #d4dce6;
    text-align: center;
    font-size: 15px;
}

#image-viewer .kb-viewer-message p {
    margin: 0;
    color: inherit;
    font: inherit;
}

#image-viewer .kb-viewer-spinner {
    box-sizing: border-box;
    width: 28px;
    height: 28px;
    border: 2px solid #465365;
    border-top-color: #e6ebf1;
    border-radius: 50%;
    animation: kb-viewer-spin 900ms linear infinite;
}

#image-viewer .kb-viewer-retry {
    border: 1px solid #6c7d91;
    border-radius: 8px;
    min-height: 44px;
    padding: 10px 18px;
    background: #27313e;
    color: #fff;
    font: inherit;
    cursor: pointer;
}

.feedback-image[role="button"]:focus-visible {
    outline: 3px solid #9c5800;
    outline-offset: 4px;
}

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

@media (max-width: 767px), (max-width: 1024px) and (pointer: coarse) {
    #image-viewer.kb-image-viewer {
        --viewer-button-size: 48px;
        grid-template-rows: calc(60px + env(safe-area-inset-top, 0px)) minmax(0, 1fr) calc(76px + env(safe-area-inset-bottom, 0px));
    }

    #image-viewer .kb-viewer-header {
        padding-right: max(16px, env(safe-area-inset-right, 0px));
        padding-left: max(16px, env(safe-area-inset-left, 0px));
    }

    #image-viewer .kb-viewer-title {
        font-size: 15px;
    }

    #image-viewer .kb-viewer-stage {
        margin-right: max(12px, env(safe-area-inset-right, 0px));
        margin-left: max(12px, env(safe-area-inset-left, 0px));
    }

    #image-viewer #prev-image,
    #image-viewer #next-image {
        top: auto;
        bottom: calc(14px + env(safe-area-inset-bottom, 0px));
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    #image-viewer .kb-viewer-button { transition: none; }
    #image-viewer .kb-viewer-spinner { animation: none; }
}