/* Board Builder Section */
.board-builder {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.coming-soon-badge {
    display: inline-block;
    background: var(--gradient-1);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(53, 167, 156, 0.3);
}

.builder-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
    align-items: start;
}

.canvas-container {
    overflow: hidden;
    position: relative;
    aspect-ratio: 1;
}

#polyhedronCanvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
}

#polyhedronCanvas:active {
    cursor: grabbing;
}

.controls-panel {
    background: rgba(26, 31, 46, 0.6);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(53, 167, 156, 0.2);
    position: sticky;
    top: 100px;
}

.control-group {
    margin-bottom: 2rem;
}

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

.control-group label {
    display: block;
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.control-group select,
.control-group input[type="range"] {
    width: 100%;
    background: rgba(15, 20, 25, 0.8);
    border: 1px solid rgba(53, 167, 156, 0.3);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.control-group select {
    padding: 0.75rem;
    cursor: pointer;
}

.control-group select:hover,
.control-group select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.control-group input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: rgba(53, 167, 156, 0.2);
    outline: none;
    margin: 0.5rem 0;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--gradient-1);
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(53, 167, 156, 0.5);
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    cursor: pointer;
    border-radius: 50%;
    border: none;
    box-shadow: 0 2px 10px rgba(53, 167, 156, 0.5);
}

.slider-value {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.slider-value span {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.slider-value .current-value {
    color: var(--primary-light);
    font-weight: 700;
    font-size: 1.1rem;
}

.polyhedron-info {
    background: rgba(15, 20, 25, 0.6);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 2rem;
    border-left: 4px solid var(--primary-color);
}

.polyhedron-info h4 {
    color: var(--primary-light);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.info-row:last-child {
    margin-bottom: 0;
}

.info-row .value {
    color: var(--text-light);
    font-weight: 600;
}