.designer-panel {
    position: sticky;
    top: 72px;
    max-height: calc(100vh - 96px);
    overflow: auto;
}

.designer-workspace {
    min-height: calc(100vh - 120px);
}

.pdf-layout-designer-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.pdf-layout-designer-host {
    overflow: auto;
    max-height: calc(100vh - 180px);
    padding: 16px;
    background: #eceff1;
    border-radius: 10px;
}

.pdf-designer-page-shell {
    margin: 0 auto 28px auto;
    width: fit-content;
}

.pdf-designer-page-label {
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #546e7a;
}

.pdf-designer-page {
    position: relative;
    background: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    user-select: none;
}

.pdf-designer-page canvas {
    display: block;
}

.pdf-designer-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.pdf-designer-field {
    position: absolute;
    box-sizing: border-box;
    pointer-events: auto;
    cursor: move;
    border: 1px dashed rgba(25, 118, 210, 0.9);
    background: rgba(25, 118, 210, 0.08);
    min-width: 8px;
    min-height: 8px;
    outline: none;
}

.pdf-designer-field-image {
    border-color: rgba(216, 67, 21, 0.95);
    background: rgba(216, 67, 21, 0.08);
}

.pdf-designer-field.is-selected {
    border: 2px solid #00acc1;
    background: rgba(0, 172, 193, 0.12);
    z-index: 10;
}

.pdf-designer-field-label {
    position: absolute;
    left: 0;
    top: -17px;
    max-width: 220px;
    padding: 1px 4px;
    border-radius: 3px;
    background: rgba(38, 50, 56, 0.88);
    color: white;
    font-size: 10px;
    line-height: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
}

.pdf-designer-field-resize {
    position: absolute;
    width: 10px;
    height: 10px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: #00acc1;
    border: 1px solid white;
    cursor: nwse-resize;
}