/* LeetCode Toolbox Specific Styles */

.quick-tips {
    max-width: 800px;
    width: 100%;
    margin: 2rem 0;
    padding: 2rem;
    background: white;
    border: 2px solid #fdc85f;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(253, 200, 95, 0.1);
}

.quick-tips h2 {
    color: #fdc85f;
    font-size: 2rem;
    margin: 0 0 1.5rem 0;
    text-align: center;
}

.quick-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.quick-tips li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.6;
}

.quick-tips li:last-child {
    border-bottom: none;
}

.quick-tips li strong {
    color: #fdc85f;
}

.quick-tips li code {
    background: #333333;
    color: #fdc85f;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

.main-layout {
    display: flex;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    gap: 2rem;
    padding: 0 2rem;
}

.sidebar {
    width: 300px;
    flex-shrink: 0;
    position: sticky;
    top: 80px;
    height: fit-content;
}

.content-area {
    flex: 1;
    min-width: 0;
}

.table-of-contents {
    background: white;
    border: 2px solid #fdc85f;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(253, 200, 95, 0.1);
}

.table-of-contents h2 {
    color: #fdc85f;
    font-size: 1.5rem;
    margin: 0 0 1.5rem 0;
    font-weight: 600;
    text-align: center;
}

.toc-sections {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toc-section {
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #fdc85f;
}

.toc-section h3 {
    color: #333333;
    font-size: 1rem;
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.toc-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-section li {
    margin: 0.25rem 0;
}

.toc-section a {
    color: #666666;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
    line-height: 1.4;
}

.toc-section a:hover {
    color: #fdc85f;
}

.section-wrapper {
    width: 100%;
    margin: 0;
    padding: 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 3rem 0 2rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #fdc85f;
}

.section-title {
    color: #fdc85f;
    font-size: 2.5rem;
    margin: 0;
    font-weight: 600;
}

.collapse-btn {
    background: #fdc85f;
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.collapse-btn:hover {
    background: #e6b84d;
}

.section-content {
    display: block;
}

.toolbox-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    width: 100%;
    margin: 3rem 0;
}

.function-item {
    background: white;
    border: 2px solid #fdc85f;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(253, 200, 95, 0.1);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    height: fit-content;
}

.function-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(253, 200, 95, 0.2);
}

.function-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    background: #f8f9fa;
    transition: background-color 0.2s ease;
}

.function-header:hover {
    background: #e9ecef;
}

.function-header h3 {
    color: #fdc85f;
    font-size: 1.5rem;
    margin: 0;
    font-weight: 600;
}

.expand-btn {
    background: #fdc85f;
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    font-size: 1.2rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.expand-btn:hover {
    background: #e6b84d;
}

.function-content {
    padding: 2rem;
    border-top: 1px solid #e9ecef;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    animation: expandContent 0.3s ease-out;
}

@keyframes expandContent {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.function-content .description {
    color: #333333;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

.function-content .example {
    background: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.function-content .example:last-child {
    margin-bottom: 0;
}

.function-content .example code {
    background: #2d3748;
    color: #fdc85f;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.75rem;
    border-left: 4px solid #fdc85f;
}

.function-content .result {
    color: #28a745;
    font-weight: 500;
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    background: #f8fff9;
    border-radius: 6px;
    border-left: 3px solid #28a745;
}

.tool-card {
    background: white;
    border: 2px solid #fdc85f;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(253, 200, 95, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(253, 200, 95, 0.2);
}

.tool-card h3 {
    color: #fdc85f;
    font-size: 1.5rem;
    margin: 0 0 1rem 0;
    font-weight: 600;
}

.tool-card .description {
    color: #333333;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tool-card .example {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.tool-card .example code {
    background: #333333;
    color: #fdc85f;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.5rem;
}

.tool-card .result {
    color: #28a745;
    font-weight: 500;
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.tool-card .import-note {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.tool-card .import-note strong {
    color: #856404;
}

.tool-card .import-note code {
    background: #856404;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

.quick-tips {
    max-width: 800px;
    width: 100%;
    margin: 4rem 0;
    padding: 2rem;
    background: white;
    border: 2px solid #fdc85f;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(253, 200, 95, 0.1);
}

.quick-tips h2 {
    color: #fdc85f;
    font-size: 2rem;
    margin: 0 0 1.5rem 0;
    text-align: center;
}

.quick-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.quick-tips li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.6;
}

.quick-tips li:last-child {
    border-bottom: none;
}

.quick-tips li strong {
    color: #fdc85f;
}

.quick-tips li code {
    background: #333333;
    color: #fdc85f;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-layout {
        flex-direction: column;
        gap: 1rem;
    }
    
    .sidebar {
        width: 100%;
        position: static;
    }
    
    .table-of-contents {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .main-layout {
        padding: 0 1rem;
    }
    
    .toolbox-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .tool-card {
        padding: 1.5rem;
    }
    
    .table-of-contents h2 {
        font-size: 1.25rem;
    }
    
    .function-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .tool-card {
        padding: 1rem;
    }
    
    .tool-card h3 {
        font-size: 1.25rem;
    }
    
    .tool-card .example {
        padding: 0.75rem;
    }
    
    .tool-card .example code {
        font-size: 0.8rem;
    }
}