/* Grid Generator Specific Styles */
.grid-workspace {
    background: var(--surface-2);
    border-radius: var(--radius-2);
    padding: var(--size-4);
    margin-bottom: var(--size-4);
    user-select: none;
}

.grid-canvas {
    min-height: 400px;
    background: var(--surface-1);
    border: 2px solid var(--surface-3);
    border-radius: var(--radius-2);
    padding: var(--size-2);
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
}

.grid-cell {
    border-radius: var(--radius-2);
    padding: var(--size-2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-2);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

/* Checkerboard pattern for grid cells */
.grid-cell:nth-child(odd) {
    background: var(--background-secondary);
}

.grid-cell:nth-child(even) {
    background: var(--header);
}

.grid-cell:hover {
    background: var(--color-secondary);
    transform: scale(1.02);
}

.grid-cell.selected {
    background: var(--color);
    color: var(--background);
    outline: 2px solid var(--border-color);
}

.grid-cell.merged {
    z-index: 1;
}

.control-group {
    background: var(--surface-2);
    border-radius: var(--radius-2);
    padding: var(--size-4);
    margin-bottom: var(--size-4);
}

.control-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    align-items: center;
}

.control-row label {
    min-width: 80px;
    color: var(--color);
}

.control-row input[type="number"] {
    width: 60px;
    padding: 0.25rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--background);
    color: var(--color);
}

.control-row input[type="range"] {
    flex: 1;
    accent-color: var(--color-secondary);
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    cursor: pointer;
}

.control-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-secondary);
    border: 2px solid var(--background);
    cursor: pointer;
}

#gapValue {
    min-width: 45px;
    text-align: right;
    color: var(--color);
}

.code-output {
    background: var(--surface-1);
    border-radius: var(--radius-2);
    padding: var(--size-3);
    margin: var(--size-3) 0;
    max-height: 200px;
    overflow-y: auto;
}

/* Button styles */
.btn {
    padding: 0.5rem 1rem;
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--color);
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
    font-size: 0.9rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--background);
}

.btn:not(:disabled):hover {
    background: var(--color-secondary);
    color: var(--background);
}

/* Stepper input styling */
.stepper {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--background);
    overflow: hidden;
}

.stepper input[type="number"] {
    width: 50px;
    padding: 0.5rem 0;
    border: none;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    background: var(--background);
    color: var(--color);
    text-align: center;
    -moz-appearance: textfield; /* Firefox */
}

/* Remove spinner buttons */
.stepper input[type="number"]::-webkit-outer-spin-button,
.stepper input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.stepper-btn {
    width: 36px;
    padding: 0.5rem;
    border: none;
    background: var(--background);
    color: var(--color);
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
}

.stepper-btn:hover {
    background: var(--background-secondary);
}

.stepper-btn:active {
    background: var(--color-secondary);
    color: var(--background);
}