body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
#tile_line {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
input[type="file"] {
    display: none;
}
#my-file-selector {
    display: block;
    cursor: pointer;
    /* background-color: white; */
    height: 100%;
    border-radius: 2px;
}
#manual_entry {
    visibility: hidden; 
    position: absolute;
}
table {
    width: 100%;
    font-size: 14px;
}
#graphs {
    display: flex;
    flex-direction: column;
}
#global_graphs {
    display: flex;
    max-height: 33vh;
    flex-wrap: wrap;
    align-items: stretch;
    justify-content: space-around;
}
#nb_flight_chart {
    max-width: 50%;
}
#nb_flight_solo {
    max-width: 100%;
}
#nb_flight_per_site {
    max-width: 100%;
}
#distance_chart {
    max-height: 33vh;
    max-width: 100vw;
}
.tabs {
    display: flex;
    border-bottom: 2px solid #ccc;
    background: #f7f7f7;
    padding: 8px;
}
.tab {
    padding: 1px 20px;
    margin-right: 10px;
    text-decoration: none;
    color: #333;
    border: 1px solid #ccc;
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    background: white;
}
.tab.active {
    font-weight: bold;
    color: blue;
    background: #e9e9e9;
    border-bottom: 2px solid white;
}
.tab:hover {
    background: #eee;
}
.right_button {
    display: float;
    margin-left: auto;
}
#content-frame {
    width: 100%;
    height: calc(100vh - 60px);
    border: none;
    margin: 0;
    padding: 0;
}
#login-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}
#login-background {
    background-color: white;
    margin: 15% auto;
    padding: 20px;
    border-radius: 10px;
    width: 300px;
    text-align: center;
    position: relative;
}
#close-modal {
    position: absolute;
    right: 15px;
    top: 10px;
    cursor: pointer;
    font-size: 20px;
}
#login-email, #login-password {
    width: 90%;
    margin-bottom: 10px;
    padding: 8px;
}
#do-login {
    width: 95%;
    padding: 10px;
    background: #4caf50;
    color: white;
    border: none;
    cursor: pointer;
}
#login-error {
    color: red;
    font-size: 12px;
    display: none;
}