.pdf-modal {
    display: none;
    position: absolute;
    z-index: 100;
    background: white !important;
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    transform: scale(0.8);
    opacity: 0;
    cursor: move;
    user-select: none;
    overflow: hidden; /* clip inner content to rounded corners */
    border-radius: 12px; /* rounded corners for the preview window */
    width: 400px;
    height: 500px;
    min-width: 200px;
    min-height: 250px;
}

.pdf-modal.show {
    display: block;
    transform: scale(1);
    opacity: 1;
}

.pdf-modal-content {
    position: relative;
    background-color: white;
    width: 100%;
    height: 100%;
    padding: 0;
    border: none;
}

.pdf-close {
    position: absolute;
    top: 6px;
    right: 6px; /* move to top-right */
    left: auto;
    color: #999; /* match controls color */
    font-size: 16px;
    font-weight: normal;
    z-index: 110;
    cursor: pointer;
    width: 28px;   /* larger hit area */
    height: 28px;
    line-height: 28px;
    text-align: center;
    background-color: white;
    border: 1px solid rgba(0,0,0,0.03); /* match controls border */
    border-radius: 50%;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
    transition: all 0.2s ease;
    font-family: 'Helvetica', sans-serif;
}

.pdf-close:hover,
.pdf-close:focus {
    background-color: white;
    color: #999;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

#pdf-viewer {
    width: 100%;
    height: calc(100% - 65px);
    overflow: hidden;
}

#pdf-container {
    background-color: white !important;
    background: white !important;
    position: relative;
    width: 100%;
    height: calc(100% - 20px);
    overflow: hidden;
    margin-top: 20px;
}

.pdf-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 8px;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    z-index: 105;
    border-top: 1px solid rgba(0,0,0,0.03);
    height: 45px;
    box-sizing: border-box;
}

.pdf-controls button {
    background-color: white;
    color: #999;
    border: 1px solid rgba(0,0,0,0.03);
    border-radius: 20px;
    padding: 4px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    font-family: 'Helvetica', sans-serif;
    min-width: 30px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.pdf-controls button:hover {
    background-color: white;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

.pdf-page-info {
    color: #999;
    font-family: 'Helvetica', sans-serif;
    margin: 0 8px;
    font-size: 12px;
    letter-spacing: 0.5px;
}

#pdf-object, #pdf-embed {
    border: none;
    border-radius: 8px 8px 0 0;
    background-color: white;
    display: block;
}

#pdf-object {
    background: white;
}

#pdf-embed {
    background: white;
}

/* Invisible resize handles for all 4 corners */
.pdf-modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 15px;
    height: 15px;
    cursor: nw-resize;
    z-index: 120;
}

.pdf-modal::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 15px;
    height: 15px;
    cursor: se-resize;
    z-index: 120;
}

/* Additional resize handles created via child elements */
.pdf-modal .resize-handle-ne {
    position: absolute;
    top: 0;
    right: 0;
    width: 15px;
    height: 15px;
    cursor: ne-resize;
    z-index: 120;
}

.pdf-modal .resize-handle-sw {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 15px;
    height: 15px;
    cursor: sw-resize;
    z-index: 120;
}

/* Minimal header for dragging */
.pdf-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: white;
    cursor: move;
    z-index: 115;
    border-bottom: 1px solid rgba(0,0,0,0.03);
}

/* Ensure PDF elements visually match rounded corners */
#pdf-object, #pdf-embed, #pdf-container object, #pdf-container embed {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 0; /* clipped by modal's overflow hidden */
}

@media (max-width: 768px) {
    .pdf-modal {
        width: 95vw !important;
        height: 95vh !important;
        min-width: 95vw !important;
        min-height: 95vh !important;
        resize: none;
    }
    
    .pdf-controls {
        padding: 5px;
        gap: 5px;
    }
    
    .pdf-controls button {
        padding: 3px 8px;
        font-size: 14px;
    }
}

/* Image blend removed: keep images clean with no visual frame */