.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);
    }
    .tool-select {
        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);
        cursor: pointer;
        transition: border-color 0.2s;
        appearance: auto;
    }
    .tool-select: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; }

    .upload-area {
        border: 2px dashed var(--border-light);
        border-radius: 12px;
        padding: 48px 24px;
        text-align: center;
        cursor: pointer;
        transition: all 0.2s;
        background: var(--bg-white);
    }
    .upload-area:hover,
    .upload-area.dragover {
        border-color: var(--primary-light);
        background: rgba(59, 130, 246, 0.03);
    }
    .upload-icon {
        font-size: 48px;
        color: var(--primary-light);
        margin-bottom: 12px;
    }
    .upload-text {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 4px;
    }
    .upload-hint {
        font-size: 13px;
        color: var(--text-light);
        margin: 0;
    }

    @media (max-width: 768px) {
        .upload-area { padding: 32px 16px; }
        .upload-icon { font-size: 36px; }
    }