.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: 12px;
    }
    .tool-input {
        width: 100%;
        padding: 12px 16px;
        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: 12px 16px;
        border: 1px solid var(--border-light);
        border-radius: 8px;
        font-size: 14px;
        background: var(--bg-white);
        color: var(--text-dark);
        cursor: pointer;
    }
    .tool-select:focus { outline: none; border-color: var(--primary-light); }
    .btn-tool {
        padding: 12px 20px;
        border: none;
        background: linear-gradient(135deg, #3b82f6, #8b5cf6);
        color: white;
        border-radius: 8px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .btn-tool:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3); }
    .participant-item {
        padding: 16px;
        background: var(--bg-light);
        border-radius: 8px;
        margin-bottom: 12px;
        position: relative;
    }
    .remove-btn {
        position: absolute;
        top: 8px;
        right: 8px;
        background: #fee2e2;
        color: #991b1b;
        border: none;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        cursor: pointer;
        font-size: 12px;
    }
    .remove-btn:hover { background: #fecaca; }
    .slot-item {
        padding: 16px;
        background: var(--bg-light);
        border-radius: 8px;
        margin-bottom: 12px;
        border-left: 4px solid var(--primary);
    }
    .slot-time {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-dark);
        margin-bottom: 8px;
    }
    .slot-participants {
        font-size: 13px;
        color: var(--text-medium);
    }
    .timezone-row {
        display: flex;
        align-items: center;
        padding: 12px;
        background: var(--bg-light);
        border-radius: 8px;
        margin-bottom: 8px;
    }
    .timezone-name {
        flex: 0 0 150px;
        font-weight: 600;
        font-size: 14px;
    }
    .timezone-bar {
        flex: 1;
        height: 40px;
        background: #e5e7eb;
        border-radius: 6px;
        position: relative;
        overflow: hidden;
    }
    .timezone-available {
        position: absolute;
        height: 100%;
        background: linear-gradient(135deg, #3b82f6, #8b5cf6);
        opacity: 0.7;
    }
    .timezone-time {
        font-size: 12px;
        color: var(--text-light);
        margin-left: 12px;
    }
    @media (max-width: 768px) {
        .timezone-name { flex: 0 0 100px; font-size: 12px; }
    }