body {
    font-family: 'Arial', sans-serif;
    background-color: #fff;
    color: #202124;
    margin: 0;
    padding: 40px 0;
}
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}
h1 {
    font-size: 28px;
    font-weight: 400;
    color: #202124;
    text-align: center;
    margin-bottom: 30px;
}
.tab-container {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 30px;
    border-bottom: 1px solid #dadce0;
}
.tab {
    padding: 12px 24px;
    cursor: pointer;
    font-weight: 500;
    color: #5f6368;
    transition: color .3s;
}
.tab:hover {
    color: #1a0dab;
}
.tab.active {
    color: #1a0dab;
    border-bottom: 2px solid #1a0dab;
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}
h2 {
    font-size: 20px;
    font-weight: 400;
    color: #202124;
    margin-top: 40px;
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}
.list-group {
    list-style: none;
    padding: 0;
}
.list-group-item {
    border: none;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: flex-start;
}
.list-group-item img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 20px;
    flex-shrink: 0;
}
.event-text {
    flex: 1;
    font-size: 14px;
    color: #202124;
}
a {
    color: #1a0dab;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.loading-spinner {
    text-align: center;
    margin: 30px 0;
    color: #5f6368;
}
.no-data {
    color: #5f6368;
    font-style: italic;
}
footer {
    margin-top: 60px;
    text-align: center;
    font-size: 12px;
    color: #70757a;
}
.date-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}
.month-group {
    margin: 10px;
    text-align: center;
}
.month-group h4 {
    font-size: 16px;
    margin-bottom: 10px;
}
.month-group a {
    display: inline-block;
    margin: 5px;
    padding: 5px 10px;
    background: #f0f0f0;
    border-radius: 4px;
    transition: background .3s;
}
.month-group a:hover {
    background: #dadce0;
}
.search-form {
    text-align: center;
    margin-bottom: 30px;
}
.search-form input {
    padding: 10px;
    width: 60%;
    border: 1px solid #dadce0;
    border-radius: 4px;
}
.search-form button {
    padding: 10px 20px;
    background: #f0f0f0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.search-form button:hover {
    background: #e0e0e0;
}
.search-results {
    margin-bottom: 40px;
}
@media (max-width: 576px) {
    .list-group-item {
        flex-direction: column;
    }
    .list-group-item img {
        width: 100%;
        height: auto;
        margin-right: 0;
        margin-bottom: 15px;
    }
    .tab-container {
        flex-direction: column;
    }
    .date-links {
        flex-direction: column;
    }
    .month-group {
        margin-bottom: 20px;
    }
    .month-group a {
        padding: 8px 12px;
    }
}