:root {
    --primary-color: #007bff;
    --secondary-color: #ffffff;
    --accent-color: #1da1f2;
    --text-color: #0f1419;
    --border-color: #e6ecf0;
    --icon-color: #657786;
    --font-family: 'ABeeZee', 'Roboto', sans-serif;
    --transition: 0.3s;
}

/* ============================= */
/* Main container */
.main-body {
    padding: 20px;
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--secondary-color);
    min-height: calc(100vh - 60px);
}

/* Headings */
.main-body h1 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-weight: 700;
}

.main-body h2 {
    font-size: 22px;
    margin: 20px 0 10px 0;
    color: var(--primary-color);
    font-weight: 600;
}

/* Paragraphs */
.main-body p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
    color: var(--text-color);
}

/* ============================= */
/* Sections */
.main-body .explore-section,
.main-body .notifications-list,
.main-body .people-list {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--secondary-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: transform var(--transition), box-shadow var(--transition);
}

.main-body .explore-section:hover,
.main-body .notifications-list:hover,
.main-body .people-list:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

/* ============================= */
/* Lists */
.main-body ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.main-body ul li {
    padding: 10px 5px;
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition);
}

.main-body ul li:last-child {
    border-bottom: none;
}

.main-body ul li:hover {
    background-color: rgba(29, 161, 242, 0.05);
}

/* ============================= */
/* Notification items */
.notification-item {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item:hover {
    background-color: rgba(29, 161, 242, 0.05);
}

/* ============================= */
/* People list */
.person-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
    border-radius: 10px;
    transition: background var(--transition);
}

.person-item:last-child {
    border-bottom: none;
}

.person-item:hover {
    background-color: rgba(29, 161, 242, 0.05);
}

.person-item button {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background var(--transition), transform var(--transition);
}

.person-item button:hover {
    background-color: #0056b3;
    transform: translateY(-1px);
}

/* ============================= */
/* Generic buttons */
.main-body button {
    cursor: pointer;
    font-family: var(--font-family);
    border: none;
    border-radius: 25px;
    padding: 8px 16px;
    background-color: var(--accent-color);
    color: var(--secondary-color);
    font-weight: 500;
    transition: background var(--transition), transform var(--transition);
}

.main-body button:hover {
    background-color: #0d95e8;
    transform: translateY(-1px);
}

/* ============================= */
/* Responsive Mobile */
@media (max-width: 768px) {
    .main-body {
        padding: 15px;
        padding-bottom: 100px;
    }

    .person-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .person-item button {
        margin-top: 8px;
    }

    .main-body h1 {
        font-size: 24px;
    }

    .main-body h2 {
        font-size: 20px;
    }
}