* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

.t-container {
    display: flex;
    max-width: 60%;
    margin-left: 35%;
    margin-top: 25px;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-height: 95%;
}

.tabs-sidebar {
    width: 100px;
    background-color: #2c3e50;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tab-button {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    margin: 15px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.tab-button:hover {
    opacity: 1;
    transform: scale(1.1);
}

.tab-button.active {
    opacity: 1;
    background-color: #3498db;
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
}

.tab-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.list-tabs {
    display: flex;
    justify-content: space-between;
}

.list-tabs li {
    list-style: none;
    border-bottom: 1px solid #c3c3c3;
    padding-top: 20px;
}


.content-area {
    flex: 1;
    padding: 30px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

h2 {
    margin-bottom: 15px;
    color: #2c3e50;
}

p {
    line-height: 1.6;
    color: #555;
}