.side-tab {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    transition: all 0.3s ease;
}

.tab-button {
    background-color: #e2241c;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 15px 10px;
    cursor: pointer;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    font-weight: bold;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.tab-button:hover {
    background-color: #2980b9;
    padding-right: 15px;
}

.phone-panel {
    position: fixed !important;
    left: -350px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 350px !important;
    background-color: white !important;
    border-radius: 8px !important;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2) !important;
    transition: all 0.3s ease !important;
    z-index: 9998 !important;
    padding: 20px !important;
}

.phone-panel.open {
    left: 60px !important;
}

.phone-panel h3 {
    color: #2c3e50;
    margin-top: 0;
    padding-bottom: 10px;
    border-bottom: 1px solid #ecf0f1;
}

.phone-list {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.phone-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed #ecf0f1;
}

.phone-list li:last-child {
    border-bottom: none;
}

.phone-title {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
    color: #34495e;
}

.phone-number {
    display: flex;
    align-items: center;
    color: #3498db;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.phone-number:hover {
    color: #2980b9;
    transform: translateX(5px);
}

.phone-number:before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url('images/icons8-phone.svg');
    background-size: cover;
    margin-right: 8px;
}