/* Standardized Tool Page Styles - All Tools Base Template */
/* Consolidates tool styling (formerly tools.css + tool-standard.css) */

.tool-page {
    padding: 1.5rem 0;
}

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

.tool-header h1 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.tool-description {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 100%;
    margin: 0;
}

/* Main Layout: Content + Sidebar */
.tool-layout {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 1.5rem;
}

@media (max-width: 1200px) {
    .tool-layout {
        grid-template-columns: 1fr 200px;
        gap: 1rem;
    }
}

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

.tool-main {
    flex: 1;
}

.tool-container {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.tool-section {
    padding: 1.5rem;
}

.tool-section + .tool-section {
    border-top: 1px solid var(--border-color);
}

.tool-section h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

/* Tool Options Section */
.tool-options {
    background: var(--surface-color);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.tool-options .section-title {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
}

.tool-options h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 0;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

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

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

.option-group select,
.option-group input[type="checkbox"] {
    padding: 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: var(--background-color);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.option-group select {
    width: 100%;
}

.option-group input[type="checkbox"] {
    margin-right: 0.5rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.option-group label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    font-weight: 400;
    margin: 0;
}

/* Two-Column Input/Output Layout */
.tool-content-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
    .tool-content-columns {
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
        margin-bottom: 1.25rem;
    }
}

@media (max-width: 768px) {
    .tool-content-columns {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }
}

.tool-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.input-group,
.output-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.input-area,
.output-area {
    display: contents;
}

.input-group textarea,
.output-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    resize: vertical;
    background: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
    transition: var(--transition);
    min-height: 200px;
}

.input-group textarea:focus,
.output-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Output Header with Stats */
.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.output-header label {
    margin-bottom: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.stats-display {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

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

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    font-weight: 600;
    margin-top: 0.25rem;
}

/* Hint Text */
.hint {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Action Buttons */
.tool-actions,
.tool-actions-horizontal {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tool-actions-horizontal {
    flex-wrap: nowrap;
}

.action-btn {
    flex: 1;
    min-width: 100px;
    padding: 0.75rem 1rem;
    background: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.action-btn.primary {
    background-color: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.action-btn.primary:hover {
    background: #2563eb;
}

.action-btn.success {
    background-color: var(--success-color);
    color: #ffffff;
    border-color: var(--success-color);
}

.action-btn.success:hover {
    background: #059669;
}

/* Options/Settings */
.option-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.option-row label {
    font-weight: 500;
    color: var(--text-color);
}

.option-row .value-display {
    font-weight: 600;
    color: var(--primary-color);
    min-width: 3rem;
    text-align: right;
}

.checkbox-option, .radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.checkbox-option input, .radio-option input {
    width: auto;
    margin: 0;
}

.checkbox-option label, .radio-option label {
    font-weight: normal;
    cursor: pointer;
}

/* Results/Preview */
.result-preview {
    background-color: var(--surface-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 1rem;
    font-family: monospace;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 200px;
    overflow-y: auto;
}

/* Instructions Section */
/* Instructions, Use Cases, and Formatting Guide Sections - Global Styles */
.instructions,
.use-cases,
.how-to-use,
.how-it-works,
.faq-section,
.formatting-guide {
    background: var(--surface-color) !important;
    padding: 1rem !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 1.5rem !important;
}

/* Section Headers */
.instructions h3,
.instructions h4,
.use-cases h2,
.use-cases h3,
.use-cases h4,
.how-to-use h3,
.how-to-use h4,
.how-it-works h3,
.how-it-works h4,
.character-comparison h3,
.character-comparison h4,
.faq-section h2,
.faq-section h3,
.faq-section h4,
.formatting-guide h2,
.formatting-guide h3,
.formatting-guide h4 {
    color: var(--primary-color) !important;
    margin-bottom: 0.625rem !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    margin-top: 0 !important;
}

/* Instructions List */
.instructions ol,
.instructions ul {
    margin: 0.5rem 0 !important;
    padding-left: 1.25rem !important;
}

.instructions li {
    margin-bottom: 0.25rem !important;
    color: var(--text-color) !important;
    font-size: 0.9rem !important;
}

.instructions p {
    margin-top: 0.5rem !important;
    color: var(--text-light) !important;
    font-size: 0.85rem !important;
}

/* Formatting Guide List */
.formatting-guide ul,
.formatting-guide ol {
    list-style: disc !important;
    padding-left: 1.25rem !important;
}

.formatting-guide li {
    margin-bottom: 0.4rem !important;
    color: var(--text-color) !important;
    line-height: 1.4 !important;
    font-size: 0.85rem !important;
}

.formatting-guide strong {
    color: var(--primary-color) !important;
}

/* FAQ Section */
.faq-item {
    margin-bottom: 1rem !important;
    padding-bottom: 1rem !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.faq-item:last-child {
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
    border-bottom: none !important;
}

.faq-item h4 {
    color: var(--text-color) !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    margin: 0 0 0.5rem 0 !important;
}

.faq-item p {
    color: var(--text-color) !important;
    font-size: 0.85rem !important;
    line-height: 1.5 !important;
    margin: 0 !important;
}

/* Use Cases Section */
.use-cases {
    margin-bottom: 1.5rem !important;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.use-case-item {
    background: var(--background-color);
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
}

.use-case-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
    transform: translateY(-4px);
}

.use-case-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.use-case-item h5 {
    margin-top: 0 !important;
    margin-bottom: 0.25rem !important;
    color: var(--text-color) !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
}

.use-case-item h4 {
    margin-top: 0 !important;
    margin-bottom: 0.25rem !important;
    color: var(--text-color) !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
}

.use-case-item p {
    color: var(--text-light);
    font-size: 0.8rem;
    margin: 0;
}

/* Sidebar */
.tool-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: fit-content;
    position: sticky;
    top: 1.5rem;
}

.related-tools,
.tool-tips {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: var(--transition);
}

.related-tools h3,
.related-tools h4,
.tool-tips h3,
.tool-tips h4 {
    color: var(--primary-color);
    margin-bottom: 0.625rem;
    font-size: 0.95rem;
    margin-top: 0;
}

.related-tools ul,
.tool-tips ul {
    list-style: disc;
    padding-left: 1.25rem;
    margin: 0;
}

.related-tools li,
.tool-tips li {
    margin-bottom: 0.4rem;
    color: var(--text-color);
    font-size: 0.85rem;
}

.related-tools li:last-child,
.tool-tips li:last-child {
    margin-bottom: 0;
}

.related-tools a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.related-tools a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

/* Category Hub Link */
.category-hub-link {
    background: var(--background-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.hub-link-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.hub-link-btn:hover {
    background: var(--surface-color);
    transform: translateX(4px);
}

.hub-link-icon {
    font-size: 1.25rem;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.hub-link-text {
    flex: 1;
}

.hub-link-arrow {
    margin-left: 0.75rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.hub-link-btn:hover .hub-link-arrow {
    transform: translateX(4px);
}

html.dark-mode .category-hub-link {
    background: var(--background-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Formatting Guide Section */
.formatting-guide {
    background: var(--surface-color);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.formatting-guide h3,
.formatting-guide h4 {
    color: var(--primary-color);
    margin-bottom: 0.625rem;
    font-size: 1rem;
}

.formatting-guide ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.formatting-guide li {
    padding: 0.4rem 0;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.formatting-guide li:last-child {
    border-bottom: none;
}

.formatting-guide strong {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .tool-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tool-sidebar {
        grid-column: 1;
        grid-row: auto;
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
    }

    .related-tools,
    .tool-tips {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .tool-header h1 {
        font-size: 1.75rem;
    }

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

    .tool-sidebar {
        flex-direction: column;
    }

    .output-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .stats-display {
        width: 100%;
        justify-content: space-around;
    }

    .tool-actions {
        width: 100%;
    }

    .action-btn {
        flex: 1;
    }

    .use-case-grid {
        grid-template-columns: 1fr;
    }

    .tool-sidebar {
        grid-template-columns: 1fr;
    }

    .hub-link-btn {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .hub-link-icon {
        margin-right: 0;
        margin-bottom: 0.5rem;
        font-size: 1.5rem;
    }

    .hub-link-arrow {
        margin-left: 0;
        margin-top: 0.5rem;
    }
}

@media (max-width: 480px) {
    .tool-header h1 {
        font-size: 1.5rem;
    }

    .tool-description {
        font-size: 1rem;
    }

    .tool-options,
    .instructions {
        padding: 1rem;
    }

    .input-group textarea,
    .output-group textarea {
        font-size: 0.9rem;
        padding: 0.75rem;
    }

    .stats-display {
        gap: 1rem;
    }

    .stat-value {
        font-size: 1.1rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }
}