.search-box {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow);
    margin-bottom: 20px;
}

.search-input {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--stat-bg);
    color: var(--text-primary);
    font-size: 1.1em;
    font-family: inherit;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.category-tabs {
    background: var(--card-bg);
    padding: 15px 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow);
    margin-bottom: 20px;
    display: flex;
    gap: 15px;
    overflow-x: auto;
}

.category-tab {
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    color: var(--text-primary);
    background: var(--stat-bg);
    border: 2px solid transparent;
    font-weight: 500;
}

.category-tab:hover {
    background: rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
}

.category-tab.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    font-weight: 600;
}

.commands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.command-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px var(--shadow);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.command-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow);
    border-color: var(--accent-color);
}

.command-name {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 10px;
    font-family: 'Courier New', monospace;
}

.command-aliases {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-bottom: 15px;
}

.command-description {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.command-usage {
    background: var(--stat-bg);
    padding: 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.command-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tag {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    background: rgba(102, 126, 234, 0.1);
    color: var(--accent-color);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
    padding: 20px;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 40px;
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2em;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-title {
    font-size: 2.5em;
    color: var(--accent-color);
    margin-bottom: 20px;
    font-family: 'Courier New', monospace;
}

.modal-section {
    margin: 30px 0;
}

.modal-section-title {
    font-size: 1.3em;
    color: var(--accent-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.example-box {
    background: var(--stat-bg);
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    font-family: 'Courier New', monospace;
}

.example-input {
    color: var(--accent-color);
    font-weight: bold;
}

.example-output {
    color: var(--text-secondary);
    margin-top: 10px;
    white-space: pre-line;
}

/* Mobile-First Responsive Design */

/* Small mobile devices (portrait phones) */
@media (max-width: 480px) {
    .search-box {
        padding: 12px;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .search-input {
        padding: 12px;
        font-size: 1em;
    }

    .category-tabs {
        padding: 10px;
        border-radius: 10px;
        margin-bottom: 15px;
        gap: 8px;
        scrollbar-width: thin;
    }

    .category-tabs::-webkit-scrollbar {
        height: 4px;
    }

    .category-tabs::-webkit-scrollbar-thumb {
        background: var(--accent-color);
        border-radius: 2px;
    }

    .category-tab {
        padding: 8px 16px;
        font-size: 0.9em;
    }

    .category-tab:hover {
        background: var(--stat-bg);
    }

    .commands-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .command-card {
        padding: 18px;
        border-radius: 10px;
    }

    .command-card:hover {
        transform: none;
    }

    .command-name {
        font-size: 1.2em;
    }

    .command-usage {
        font-size: 0.85em;
        padding: 8px;
    }

    .modal {
        padding: 10px;
    }

    .modal-content {
        padding: 25px;
        max-height: 85vh;
    }

    .modal-close {
        top: 15px;
        right: 15px;
        font-size: 1.5em;
    }

    .modal-title {
        font-size: 1.5em;
        margin-bottom: 15px;
    }

    .modal-section {
        margin: 20px 0;
    }

    .modal-section-title {
        font-size: 1.1em;
    }

    .example-box {
        padding: 12px;
        font-size: 0.9em;
    }
}

/* Medium mobile devices (landscape phones, small tablets) */
@media (min-width: 481px) and (max-width: 768px) {
    .search-box {
        padding: 15px;
    }

    .search-input {
        padding: 13px;
        font-size: 1.05em;
    }

    .category-tabs {
        padding: 12px 15px;
        gap: 10px;
    }

    .category-tab {
        padding: 9px 18px;
        font-size: 0.95em;
    }

    .commands-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .command-card {
        padding: 20px;
    }

    .command-name {
        font-size: 1.3em;
    }

    .modal-content {
        padding: 30px;
    }

    .modal-title {
        font-size: 2em;
    }
}

/* Tablets */
@media (min-width: 769px) and (max-width: 1024px) {
    .commands-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .category-tab {
        min-height: 44px;
        min-width: 44px;
    }

    .category-tab:active {
        transform: scale(0.95);
    }

    .category-tab:hover {
        background: var(--stat-bg);
        border-color: transparent;
    }

    .command-card:hover {
        transform: none;
        border-color: transparent;
    }

    .command-card:active {
        transform: scale(0.98);
    }
}