/* Visual PDF Tool Editor Styles */

.visual-tool-editor {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--dark);
    border-radius: 12px;
    overflow: hidden;
}

.visual-tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.visual-tool-header h3 {
    margin: 0;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.page-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.page-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.page-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

#page-info {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    min-width: 100px;
    text-align: center;
}

.visual-tool-canvas-container {
    flex: 1;
    overflow: auto;
    padding: 20px;
    background: #525252;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    -webkit-overflow-scrolling: touch;
}

.canvas-wrapper {
    position: relative;
    display: inline-block;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    background: white;
}

#pdf-canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

#overlay-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: crosshair;
    touch-action: none;
    /* Prevent text selection on mobile */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    /* Prevent context menu on long press */
    -webkit-touch-callout: none;
}

.visual-tool-controls {
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 200px;
    overflow-y: auto;
}

.control-group {
    margin-bottom: 15px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 8px;
    font-weight: 500;
}

.control-group input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    -webkit-appearance: none;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: all 0.3s;
}

.control-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--accent);
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    transition: all 0.3s;
}

.control-group input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    background: var(--accent);
}

.control-group input[type="text"],
.control-group input[type="number"] {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}

.control-group input[type="text"]:focus,
.control-group input[type="number"]:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.visual-tool-actions {
    display: flex;
    gap: 10px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.tool-action-btn {
    flex: 1;
    padding: 12px 20px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s;
}

.tool-action-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.tool-action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.tool-action-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tool-action-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .visual-tool-editor {
        height: 100vh;
        border-radius: 0;
        max-height: 100vh;
    }

    .visual-tool-header {
        padding: 12px 15px;
        flex-wrap: wrap;
        gap: 10px;
    }

    .visual-tool-header h3 {
        font-size: 1rem;
        flex: 1;
        min-width: 100%;
    }

    .page-controls {
        width: 100%;
        justify-content: center;
    }

    .visual-tool-canvas-container {
        padding: 10px;
        overflow-x: auto;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .visual-tool-controls {
        padding: 12px 15px;
        max-height: 150px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .control-group {
        margin-bottom: 12px;
    }

    .control-group input[type="text"],
    .control-group input[type="number"] {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 12px;
    }

    .visual-tool-actions {
        padding: 12px 15px;
        flex-direction: column;
        gap: 10px;
    }

    .tool-action-btn {
        width: 100%;
        padding: 14px 20px; /* Larger touch target */
        min-height: 44px; /* iOS recommended touch target size */
    }

    .page-btn {
        min-width: 44px;
        min-height: 44px;
    }
}

@media (max-width: 480px) {
    .visual-tool-header {
        padding: 10px 12px;
    }

    .visual-tool-header h3 {
        font-size: 0.9rem;
    }

    .page-btn {
        width: 40px;
        height: 40px;
        min-width: 40px;
        min-height: 40px;
    }

    #page-info {
        font-size: 0.85rem;
        min-width: 80px;
    }

    .control-group label {
        font-size: 0.85rem;
    }

    .control-group input[type="text"],
    .control-group input[type="number"] {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 12px;
    }

    .tool-action-btn {
        padding: 12px 15px;
        font-size: 0.95rem;
        min-height: 44px;
    }

    .visual-tool-canvas-container {
        padding: 8px;
    }

    .canvas-wrapper {
        max-width: 100%;
    }

    #pdf-canvas,
    #overlay-canvas {
        max-width: 100%;
        height: auto;
    }
}