.header {
    background: white;
    padding: 24px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.main {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.main-content{

    display:flex;

    gap:32px;

    align-items:flex-start;

}

.calendar-section {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
     flex:1;
}

#record-panel{

    width:360px;

}

.toast {

    position: fixed;

    bottom: 20px;

    left: 50%;

    transform: translateX(-50%);

    background: #333;

    color: white;

    padding: 12px 20px;

    border-radius: 8px;

    opacity: 0;

    pointer-events: none;

    transition: opacity .3s;

}

.toast.show {

    opacity: 1;

}

#recordListSection {
    max-width: 1200px;
    margin: 0 auto 40px;
    padding: 0 20px;
}

#recordList {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
    overflow: hidden;
}

.record-list-item {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #eee;
    gap: 24px;
}

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

.record-date {
    width: 120px;
}

.record-sleep-duration {
    width: 120px;
}

.record-sleep-quality {
    width: 80px;
}

.record-list-header {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    gap: 24px;
    font-weight: bold;
    border-bottom: 2px solid #ddd;
}