html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: sans-serif;
    color: #333;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#header {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background-color: #f5f5f5;
    border-bottom: 1px solid #ddd;
    justify-content: space-between;
    height: 64px;
}

#header img.logo {
    height: 48px;
    width: auto;
    margin-right: 1rem;
}

#header select {
    font-size: 1rem;
    padding: 0.5rem 1rem;
    height: 48px;
    box-sizing: border-box;
}

#header .user-info {
    margin-left: auto;
}

#header img.logo {
    height: 48px;
    margin-right: 1rem;
}

#header select {
    font-size: 1rem;
    padding: 0.5rem 1rem;
    height: 48px;
    box-sizing: border-box;
}

#layout {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
}

#leftColumn {
    width: 220px;
    background-color: #fafafa;
    border-right: 1px solid #ddd;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1rem;
}

#page {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem;
}

#content {
    text-align: center;
}

table {
    border-collapse: collapse;
    margin: 1rem auto;
    min-width: 300px;
}

table th,
table td {
    border: 1px solid #000;
    padding: 0.5rem 1rem;
    text-align: left;
}

table th {
    background-color: #eee;
}

.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #4CAF50;
}

input:checked + .slider:before {
    transform: translateX(22px);
}