body {
    margin: 0;
    font-family: 'Source Code Pro', monospace;
    display: flex;
}

input:invalid {
    border: 2px dashed #e7631c;
}

.site {
    max-width: 1200px;
    width: 100%;
    
    margin: 0 auto;
    padding-left: 4em;
    padding-right: 4em;
    
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header-container {
    margin: 0 auto;
    margin-top: 2em;

    display: flex;
}

/* ========================================================================== */

.main-menu {
    padding: 0;
    display: flex;
    list-style: none;
    color: #455a64;
}

.main-menu a {
    text-decoration: none;
    color: #455a64;
}

.main-menu li {
    font-size: 1em;
    text-transform: uppercase;
    margin-left: 0.66em;
}

.main-menu li .current {
    font-weight: bold;
    text-decoration: underline black;
}

/* ========================================================================== */

.main {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ========================================================================== */

.flag-submit {
    display: flex;
    align-content: center;
    margin: auto;
}

/* ========================================================================== */


/* Tooltip container */
.tooltip {
    display: inline-block;
    border-bottom: 1px dotted; /* If you want dots under the hoverable text */

    color: rgba(33, 33, 33, 0.51);

    z-index: 1000;
    position: fixed;
    /*top: 5px;*/
    bottom: 5px;
    left: 5px;
}

/* Tooltip text */
.tooltip .tooltiptext {
    visibility: hidden;
    width: 260px;
    background-color: black;
    color: #fff;
    text-align: center;
    padding: 5px 5px;
    border-radius: 1px;

    /* Position the tooltip text - see examples below! */
    position: absolute;
    z-index: 1000;
    left: 15px;
    /*top: 110%;*/
    bottom: 110%;
}

/* Show the tooltip text when you mouse over the tooltip container */
.tooltip:hover .tooltiptext {
    visibility: visible;
}


/* ========================================================================== */

.group {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.group.hw {
    background-color: #e2e2e2;
}

/*.group.hw .task {*/
/*    border: 4px solid #070f36;*/
/*    box-sizing: border-box;*/
/*}*/

.group a {
    text-decoration: none;
}

.group-header {
    display: flex;
    margin-top: 10px;
}

.group-header h1 {
    margin: 0em;
}

.group-header .title {
    font-size: 1.05em;
}
.group-header .deadline {
    font-size: 0.85em;
    margin-left: 5px;
}

.group-header .deadline.passed {
    /*color: #5d5d5d;*/
    /*color: #363636;*/
    text-decoration: line-through;
    text-decoration-thickness: 2px;
    text-decoration-color: rgba(40, 40, 40, 0.5);
}

.group-tasks {
    display: flex;
    flex-wrap: wrap;
}

.task {
    width: 220px;
    height: 130px;
    margin: 10px;

    display: flex;
    flex-direction: column;
    align-items: center;
}

.unsolved {
    background-color: #1e3250;
    color: white;
}

.solved {
    background-color: #66cda3;
    color: black;
}

.solved_partially {
    background-color: #8869bd;
    color: black;
}

.task .name {
    margin: 0 auto;
    margin-top: 20px;
    font-size: 1.2em;
    white-space: nowrap;
}

.task {
    position: relative;
}

.task .score {
    margin: 0 auto;
    font-size: 3em;
    font-weight: bold;
}

.task .stat {
    opacity: 0.2;
    position: absolute;
    top: 0.15em;
    left: 0.5em;
    font-size: 1em;
    text-align: left;
    overflow: hidden;
    max-width: 4ch;
}

.task .demand {
    opacity: 0.4;
    position: absolute;
    top: 0.15em;
    right: 0.5em;
    font-size: 1em;
    text-align: right;
    display: flex;
    justify-content: end;
    align-items: center;

    border-bottom: 1px dotted;
}

.task .demand .demand-mult {
    overflow: hidden;
    max-width: 4ch;
}

/* Tooltip text */
.task .demand .demand-text {
    visibility: hidden;
    width: 200px;
    background-color: black;
    color: #fff;
    text-align: center;
    padding: 5px 5px;
    border-radius: 1px;

    /* Position the tooltip text - see examples below! */
    position: absolute;
    z-index: 1000;
    left: 5px;
    /*top: 110%;*/
    bottom: 110%;
}

/* Show the tooltip text when you mouse over the tooltip container */
.task .demand:hover .demand-text {
    visibility: visible;
}

/* ========================================================================== */

.signup {
    width: 100%;
    
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 2em;
}

.signup .login {
    padding-top: 2em;
    padding-bottom: 2em;

    display: flex;
}

.login-button {
    display: flex;
    flex-direction: column;

    font-size: 2em;

    margin: auto;
    height: 80px;
    width: 300px;

    border: solid;
    border-width: 1px;
    border-color: #168f48;
    background-color: #1aaa55;

    text-decoration: none;
}

.login-button .text {
    margin: auto;
    color: white;
}

.login-button .text:last-of-type {
    font-size: 0.5em;
    margin-top: -0.3em;
}

.signup .or {
    display: flex;
    min-width: 100px;
}

.or .text {
    font-size: 1em;
    margin: auto;
}

.signup .register {
    display: flex;
    padding-top: 2em;
    padding-bottom: 2em;
}

.form {
    width: 500px;

    display: flex;
    flex-direction: column;
    
    border: 1px solid #e5e5e5;
}

.form-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-right: 1em;
    padding-left: 1em;
}

.form-header .text:last-of-type {
    margin-top: -0.3em;
}

.form-header h1 {
    margin: 0 auto;
    padding-top: 0.33em;
    padding-bottom: 0.33em;
    font-weight: normal;
    font-size: 2em;
}

.form .form-element {
    flex: 1;

    margin: 0.33em;
    margin-bottom: 0;

    padding: 0.33em;
    padding-bottom: 0;

    display: flex;
    flex-direction: column;
}

.form .form-element.last {
    padding-bottom: 0.33em;
    margin-bottom: 0.33em;
    margin-top: 1em;
}

.form-element input {
    flex: 1;
    height: 40px;

    font-size: 1.5em;
    padding-left: 0.1em;
    border: 1px solid #e5e5e5;
}

.form-element .button {
    background-color: #1f78d1;
    border-color: #1b69b6;
    color: white;
    cursor: pointer;
    font-family: 'Source Code Pro', monospace;
    font-size: 1.5em;
    padding-top: 0.2em;
    padding-bottom: 0.2em;
}

.form-element .name {
    margin-left: 0.33em;
    margin-bottom: 0.33em;
    color: #555555;
}

.form .form-error {
    background-color: #db3b21;
}

.form-error .error-message {
    margin-left: 0.33em;
    margin-bottom: 0.33em;
    
    color: white;
}

.password a {
    text-decoration: none;
}

.selectable {
    border: none;
    font-family: 'Source Code Pro', monospace;
    background-color: white;
}