* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f5f7fa;
    color: #2c3e50;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    color: #7f8c8d;
}

.language-selector {
    position: absolute;
    top: 0;
    right: 0;
}

.language-selector select {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: white;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.3s;
}

.language-selector select:hover {
    border-color: #3498db;
}

.controls {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-group label {
    font-weight: 500;
    color: #34495e;
}

.control-group input[type="number"] {
    width: 80px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.control-group input[type="number"]:focus {
    outline: none;
    border-color: #3498db;
}

.btn-primary, .btn-secondary, .btn-copy, .btn-danger {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-copy {
    background-color: #2ecc71;
    color: white;
    margin-top: 16px;
}

.btn-copy:hover {
    background-color: #27ae60;
}

.btn-danger {
    background-color: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}

.workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.grid-editor, .code-output {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.grid-editor h2, .code-output h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.grid-container {
    display: grid;
    background-color: #ecf0f1;
    border: 2px dashed #bdc3c7;
    border-radius: 8px;
    min-height: 400px;
    padding: 10px;
}

.grid-item {
    background-color: #3498db;
    color: white;
    padding: 20px;
    border-radius: 6px;
    cursor: move;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    transition: all 0.3s;
    user-select: none;
}

.grid-item:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.grid-item.selected {
    outline: 3px solid #f39c12;
    outline-offset: 2px;
}

.grid-item[draggable="true"]:active {
    cursor: grabbing;
}

.code-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.tab-btn {
    padding: 8px 16px;
    background-color: #ecf0f1;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.tab-btn.active {
    background-color: #3498db;
    color: white;
}

.tab-btn:hover:not(.active) {
    background-color: #ddd;
}

.code-content {
    position: relative;
}

.code-block {
    display: none;
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.5;
}

.code-block.active {
    display: block;
}

.item-properties {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    z-index: 100;
}

.item-properties h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.property-group {
    margin-bottom: 16px;
}

.property-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: #34495e;
}

.property-group input[type="text"],
.property-group input[type="color"] {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

.property-group input[type="text"]:focus {
    outline: none;
    border-color: #3498db;
}

.property-group input[type="color"] {
    height: 40px;
    cursor: pointer;
}

@media (max-width: 1024px) {
    .workspace {
        grid-template-columns: 1fr;
    }
    
    .item-properties {
        position: static;
        transform: none;
        width: 100%;
        margin-top: 30px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-group {
        justify-content: space-between;
    }
    
    .language-selector {
        position: static;
        margin-top: 20px;
    }
}