.study-image-viewer-source {
    cursor: zoom-in;
    transition: filter 160ms ease, transform 160ms ease;
}

.study-image-viewer-source:hover,
.study-image-viewer-source:focus-visible {
    filter: brightness(0.94);
    outline: 3px solid rgba(167, 38, 38, 0.35);
    outline-offset: 3px;
}

.study-image-viewer {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    flex-direction: column;
    background: rgba(9, 9, 11, 0.96);
    color: #fff;
}

.study-image-viewer.is-open {
    display: flex;
}

.study-image-viewer__toolbar {
    position: relative;
    z-index: 2;
    display: flex;
    min-height: 64px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(17, 24, 39, 0.96);
}

.study-image-viewer__title {
    min-width: 0;
    overflow: hidden;
    color: #e5e7eb;
    font-size: 0.875rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.study-image-viewer__controls {
    display: flex;
    align-items: center;
    gap: 6px;
}

.study-image-viewer__button {
    display: inline-flex;
    min-width: 40px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 11px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-size: 0.8rem;
    font-weight: 700;
}

.study-image-viewer__button:hover,
.study-image-viewer__button:focus-visible {
    background: rgba(255, 255, 255, 0.18);
    outline: none;
}

.study-image-viewer__zoom {
    width: 58px;
    color: #d1d5db;
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
    text-align: center;
}

.study-image-viewer__viewport {
    position: relative;
    flex: 1;
    min-width: 0;
    min-height: 0;
    overflow: scroll;
    cursor: grab;
    overscroll-behavior: contain;
    scrollbar-color: #9ca3af #27272a;
    scrollbar-width: auto;
    touch-action: none;
}

.study-image-viewer__viewport.is-dragging {
    cursor: grabbing;
}

.study-image-viewer__canvas {
    box-sizing: border-box;
    width: max-content;
    min-width: 100%;
    min-height: 100%;
    padding: 24px;
}

.study-image-viewer__image {
    display: block;
    max-width: none;
    height: auto;
    margin: 0 auto;
    border-radius: 4px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
    user-select: none;
    -webkit-user-drag: none;
}

.study-image-viewer__hint {
    position: absolute;
    right: 18px;
    bottom: 18px;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.68);
    color: #d1d5db;
    font-size: 0.72rem;
    pointer-events: none;
}

body.study-image-viewer-open {
    overflow: hidden;
}

@media (max-width: 640px) {
    .study-image-viewer__toolbar {
        align-items: flex-start;
    }

    .study-image-viewer__title {
        width: 100%;
    }

    .study-image-viewer__button span {
        display: none;
    }

    .study-image-viewer__canvas {
        padding: 12px;
    }
}