/* Add Arrows to PDF Tool Styles */

.preview-container {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: auto;
    min-height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
}

#canvas-container {
    position: relative;
    width: 100%;
}

#pdf-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    box-shadow: 0 8px 24px var(--overlay-black-20);
}

.control-dot {
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    z-index: 110;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 4px var(--overlay-black-20);
}

.control-dot:hover {
    background: var(--primary-color);
}

.control-dot.start-dot,
.control-dot.end-dot {
    cursor: grab;
}

.text-overlay {
    z-index: 109;
}

.text-overlay input {
    background: transparent;
    border: 2px dashed var(--primary-color);
    border-radius: 4px;
    padding: 4px;
    outline: none;
    min-width: 80px;
}

.color-quick-btn {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    transition: transform 0.2s ease;
}

.color-quick-btn:hover {
    transform: scale(1.12);
}

#element-color {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    background: transparent;
}

.editor-controls {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-top: 15px;
}

.page-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.nav-btn {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-color);
    padding: 8px 14px;
    transition: all 0.2s ease;
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nav-btn:not(:disabled):hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .tool-group {
        flex-wrap: wrap;
        gap: 10px;
    }

    .tool-group .btn {
        flex: 1 1 auto;
        min-width: 140px;
    }

    .control-dot {
        width: 18px;
        height: 18px;
    }
}