styles.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --code-bg: #f1f5f9;
    --success-color: #10b981;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 40px 0;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

.back-link {
    display: inline-block;
    color: white;
    text-decoration: none;
    margin-bottom: 20px;
    font-size: 1rem;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 1;
}

.intro {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.search-box {
    margin-bottom: 30px;
}

#searchInput {
    width: 100%;
    padding: 14px 20px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    transition: border-color 0.2s;
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary-color);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.category-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-card h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.command-count {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.commands-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.command-card {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.command-header {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to right, var(--card-bg), #f8fafc);
    transition: background 0.2s;
}

.command-header:hover {
    background: var(--code-bg);
}

.command-title {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.command-name {
    font-size: 1.3rem;
    color: var(--primary-color);
    font-weight: 600;
    font-family: 'Monaco', 'Menlo', monospace;
}

.command-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.command-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.copy-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    font-weight: 500;
}

.copy-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

.copy-btn.copied {
    background: var(--success-color);
}

.expand-icon {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: transform 0.3s;
}

.command-header.expanded .expand-icon {
    transform: rotate(180deg);
}

.command-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--bg-color);
}

.command-content.expanded {
    max-height: 2000px;
}

.command-body {
    padding: 24px;
}

.command-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    background: var(--code-bg);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
}

.command-body pre {
    background: var(--code-bg);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    margin: 12px 0;
}

.command-body code {
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text-color);
}

.command-body h2 {
    color: var(--primary-color);
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.command-body h3 {
    color: var(--secondary-color);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.command-body ul, .command-body ol {
    margin-left: 24px;
    margin-bottom: 12px;
}

.command-body li {
    margin-bottom: 6px;
}

.command-body p {
    margin-bottom: 12px;
}

.command-body strong {
    color: var(--text-color);
    font-weight: 600;
}

footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    margin-top: 60px;
    text-align: center;
    color: var(--text-secondary);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .command-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .command-actions {
        width: 100%;
        justify-content: flex-end;
    }
}