/* excel-column-to-comma-list - Tool-Specific Styles */

:root {
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
}

/* Tool Page Layout */
.tool-page {
    padding: 2rem 0;
}

.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tool-description {
    font-size: 1.1rem;
    color: var(--text-color-secondary);
    max-width: 100%;
    margin: 0;
}

/* Two-column layout: tool content + sidebar */
.tool-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    margin-bottom: 3rem;
}

.tool-main {
    display: flex;
    flex-direction: column;
}

.tool-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Override tool-options for this tool */
.tool-options {
    padding: 1.25rem !important;
    margin-bottom: 1.5rem !important;
}

.tool-options .section-title,
.tool-options h3 {
    margin-bottom: 0.75rem !important;
    font-size: 1rem !important;
}

/* Tool Content Columns */
.tool-content-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Input and Output Sections */
.tool-section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.input-group,
.output-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.input-group label,
.output-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
}

.input-area,
.output-area {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.input-group textarea,
.output-group textarea {
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    resize: none;
    background: var(--surface-color);
    color: var(--text-color);
    border: none;
}

.input-group textarea:focus,
.output-group textarea:focus {
    outline: none;
}

.hint {
    font-size: 0.8rem;
    color: var(--text-color-secondary);
    margin-top: 0.25rem;
}

/* Stats Display */
.stats-display {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: 0.75rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

/* Excel Options Grid */
.excel-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.option-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.option-item label {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-color);
}

.option-item select {
    padding: 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--surface-color);
    color: var(--text-color);
}

.option-item select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.option-item.checkbox {
    flex-direction: row;
    align-items: center;
}

.option-item.checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.option-item.checkbox label {
    margin: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.option-item.checkbox span {
    font-weight: 500;
    font-size: 0.9rem;
}

/* Tool Actions Horizontal */
.tool-actions-horizontal {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tool-actions-horizontal .action-btn {
    flex: 1;
    min-width: 100px;
    padding: 0.6rem 0.8rem;
    font-size: 0.9rem;
}

/* Output Actions */
.output-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.output-actions .action-btn {
    flex: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tool-content-columns {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .input-group textarea,
    .output-group textarea {
        min-height: 250px;
    }

    .excel-options-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .tool-actions-horizontal {
        gap: 0.5rem;
    }

    .tool-actions-horizontal .action-btn {
        flex: 1 1 calc(50% - 0.25rem);
        min-width: auto;
        padding: 0.6rem 0.4rem;
        font-size: 0.85rem;
    }

    .tool-actions-horizontal .action-btn:nth-child(3) {
        flex: 1 1 calc(50% - 0.25rem);
    }
}


}
    outline: none;
    border-color: var(--primary-color);