* {
    box-sizing: border-box;
}
body {
    margin: 0;
    padding: 0;
}

/* Intro - first page */
.intro {
    min-height: 100vh;
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-between;

}
    /* Header */
.intro__header {
    background-image: linear-gradient(to left, rgb(165, 246, 255), #fff); 
    width: 100%;
    min-height: 100px;
    padding: 5px;

    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    align-items: center;
    overflow-x: hidden;
    overflow-y: hidden;
}
.title {
    margin: 0;
    font-size: 72px;
    text-shadow: 4px 4px 2px rgb(255, 62, 200);
}
.nav {
    border: 5px solid rgb(255, 62, 200);
    background-color: #fff;

    max-height: 80%;

    /*overflow: auto;*/
    overflow-x: auto;
    overflow-y: hidden;

    display: flex;
    flex-wrap: nowrap;
    align-items: center;
}
.nav__link {
    margin: 10px 15px 7px;
    font-size: 20px;
    width: auto;
    min-width: 50px;
    overflow: visible;

    text-decoration: none;
    text-shadow: 1px 1px 2px rgb(255, 62, 200);
    text-align: center;

    transition: color .1s linear;
}
.nav__link:hover, .nav__link.active {
    color: rgb(255, 62, 200);
}
.nav__link:hover::after, .nav__link.active::after {
    opacity: 1;
}
.nav__link::after {
    content: "";
    height: 3px;
    background-color: rgb(255, 62, 200);
    display: block;

    opacity: 0;
    transition: opacity .1s linear;
}
.nav__link.active {
    pointer-events: none;
}

    /* Main */
.main {
    height: stretch;
    margin: 0 0 auto;
    display: grid;
    grid-template-columns: 1fr 5fr;
}    
.left-part {
    height: 100%;

    overflow-x: hidden;
    overflow-y: auto;

    background-image: linear-gradient(rgba(255, 62, 200, 0.8), rgba(165, 246, 255, 0))
    
}
.right-part {
    height: 100%;
    display: grid;
    grid-template-columns: 5fr 1fr;
    grid-template-rows: 100px 1fr;
}
.narrow-line {
    grid-column: 1 / span 2;
    text-align: center;
    overflow: hidden;

    border-top: 5px solid rgba(255, 62, 200, 0.8);
}
.narrow-line .title {
    font-style: italic;
    font-size: 60px;
}
.content {
    grid-row: 2 / span 1;
    grid-column: 1;
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 200px;
}
.content__tasks-list {
    list-style-position: inside;
}
.content__editing {
    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: center;
    min-width: 200px;
    overflow-x: hidden;
}
.button {
    border: 5px solid rgb(255, 62, 200);
    margin: 5px;
    border-radius: 30px;
    background-color: rgb(165, 246, 255);
    width: 150px;
    height: 60px;

    font-size: 20px;
    font-weight: 700;

    transition: background-color .1s linear;
}
.button:hover {
    background-color: rgb(255, 62, 200);
}

 /* Footer */
.intro__footer {
    justify-self: flex-end;
    background-color: #333;
    color: rgb(165, 246, 255);
    display: flex;
    width: 100%;
    min-height: 50px;

    align-items: center;
    justify-content: flex-end;

    overflow-x: hidden;
}
.footer__text {
    margin-right: 50px;
    font-size: 24px;
    font-style: italic;
}