/* Mode toggle buttons (above settings gear, bottom-left) */
.mode-toggle-container {
    position: fixed;
    top: 51px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    z-index: 100;
}

.mode-toggle-btn {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    transition: background-color 0.2s;
    border: none;
    background: none;
    padding: 0;
    color: #a8a8a8;
}

.mode-toggle-btn:hover {
    color: #fff;
    background-color: rgba(0, 0, 0, 0.08);
}

.mode-toggle-btn.active {
    color: #fff;
}


.mode-toggle-btn svg {
    width: 20px;
    height: 20px;
}

/* Paragraph overlay - base */
.pdf-paragraph-overlay {
    position: absolute;
    cursor: pointer;
    border-radius: 3px;
    transition: background-color 0.15s ease;
    z-index: 3;
}

/* Hover highlight */
.pdf-paragraph-overlay.hovered {
    background-color: rgba(255, 180, 79, 0.15);
}

/* Selected highlight */
.pdf-paragraph-overlay.selected {
    background-color: rgba(255, 180, 79, 0.35);
    border: 1px solid rgba(255, 180, 79, 0.6);
}

/* Selected + hovered */
.pdf-paragraph-overlay.selected.hovered {
    background-color: rgba(255, 180, 79, 0.45);
}

/* Copy-to-editor button */
.para-copy-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    color: #333;
    padding: 3px 8px;
    font-size: 11px;
    font-family: 'Roboto', sans-serif;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
    z-index: 4;
    white-space: nowrap;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.pdf-paragraph-overlay.selected.hovered .para-copy-btn {
    opacity: 1;
}

.para-copy-btn:hover {
    background: #ffb44f;
    color: #1a1a1a;
    border-color: rgba(0, 0, 0, 0.2);
}

/* Suppress text selection in selection mode */
body.selection-mode-active .pdf-page .textLayer {
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
}