.tool-label {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        color: var(--text-light);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 6px;
    }
    .tool-input {
        width: 100%;
        padding: 10px 14px;
        border: 1px solid var(--border-light);
        border-radius: 8px;
        font-size: 14px;
        background: var(--bg-light);
        color: var(--text-dark);
        transition: border-color 0.2s;
    }
    .tool-input:focus {
        outline: none;
        border-color: var(--primary-light);
        box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    }
    .btn-tool {
        padding: 8px 16px;
        border: none;
        background: linear-gradient(135deg, #3b82f6, #8b5cf6);
        color: white;
        border-radius: 6px;
        font-size: 13px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .btn-tool:hover { opacity: 0.9; transform: translateY(-1px); }
    .btn-tool-outline {
        background: transparent;
        color: var(--primary);
        border: 1px solid var(--border-light);
    }
    .btn-tool-outline:hover { background: var(--bg-light); border-color: var(--primary-light); }
    .tool-status {
        padding: 10px 16px;
        border-radius: 6px;
        font-size: 13px;
        margin-bottom: 12px;
        font-weight: 500;
    }
    .tool-status.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
    .tool-status.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

    .category-tabs {
        display: flex;
        gap: 4px;
        overflow-x: auto;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    .category-tabs::-webkit-scrollbar {
        height: 4px;
    }
    .category-tabs::-webkit-scrollbar-track {
        background: var(--bg-light);
        border-radius: 2px;
    }
    .category-tabs::-webkit-scrollbar-thumb {
        background: var(--border-light);
        border-radius: 2px;
    }
    .category-tab {
        padding: 6px 14px;
        border: 1px solid var(--border-light);
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        cursor: pointer;
        background: var(--bg-white);
        color: var(--text-medium);
        transition: all 0.2s;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .category-tab:hover {
        border-color: var(--primary-light);
        color: var(--primary);
    }
    .category-tab.active {
        background: var(--primary-light, #3b82f6);
        color: white;
        border-color: var(--primary-light, #3b82f6);
    }

    .emoji-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
        gap: 4px;
    }
    .emoji-btn {
        width: 42px;
        height: 42px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        border: none;
        background: transparent;
        border-radius: 8px;
        cursor: pointer;
        transition: all 0.15s;
        line-height: 1;
        padding: 0;
    }
    .emoji-btn:hover {
        background: var(--bg-light);
        transform: scale(1.2);
    }
    .emoji-btn:active {
        transform: scale(0.95);
    }

    .copy-toast {
        position: fixed;
        bottom: 80px;
        left: 50%;
        transform: translateX(-50%) translateY(20px);
        background: #1f2937;
        color: white;
        padding: 8px 20px;
        border-radius: 8px;
        font-size: 13px;
        font-weight: 600;
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s;
        z-index: 9999;
    }
    .copy-toast.show {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

    @media (max-width: 768px) {
        .emoji-grid {
            grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
        }
        .emoji-btn {
            width: 38px;
            height: 38px;
            font-size: 22px;
        }
        .category-tab {
            padding: 5px 10px;
            font-size: 11px;
        }
    }
    @media (max-width: 480px) {
        .emoji-grid {
            grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
            gap: 2px;
        }
        .emoji-btn {
            width: 36px;
            height: 36px;
            font-size: 20px;
        }
    }