:root {
    --color: #eee;	
    --accent-color: hsl(199, 51%, 21%);
    --accent-color-highlight: hsl(199, 51%, 23%);
    --accent-color-light: hsl(198, 25%, 57%);
    --accent-color-light-highlight: hsl(198, 25%, 62%);

    --bg: #090a13;

    --darkgrey: rgb(41,41,41);
    --darkgrey-highlighted: rgb(46,46,46);
    
    --lightgrey: rgb(56,56,56);	
    --lightgrey-highlighted: rgb(53,53,53);

    --light: rgb(250, 250, 250);
    --light-highlighted: rgb(255, 255, 255);

    --transition-duration: 0.2s;

    /* --shadow: 0px 0px rgba(41,41,41, 0.4); */
    --shadown: none;

    --border-radius: 0px;
    --border-width: 1px;

    --timeline-event-margin: 20px;
    --timeline-event-padding: 10px;
}

body {
    background-color: var(--bg);
    background: radial-gradient(circle at top, #253035, #090a13 35%);	
    background-attachment: fixed;
    color: var(--color);
    overflow-y: scroll;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;
    margin: 0;
    padding: 0;
}

#app {
    max-width: 1024px;
    min-width: 320px;
    display: block;
    margin: auto;
}

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-items: center;
    height: 100%;
    text-align: center;
    text-transform: uppercase;
    position: relative;
}

.header:after {
    content: "";
    width: var(--border-width);
    height: 35%;
    background-color: var(--light);
    display: block;
    /* position: absolute;
    top: 50%;
    left: 50%; */
    z-index: -1;
}

.header-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.header__logo {
    background-image: url('./images/logo.svg');
    background-size: contain;
    background-repeat: no-repeat;	
    width: 120px;	
    height: 120px;
    margin-top: auto;
}

.header__text {	
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 3rem;
    letter-spacing: 0.5rem;
    font-weight: bolder;
    transform: scale(1, 0.85);
}

.header__text-timeline {
    color: var(--light);
    /* background-color: var(--light); */
    margin: 0;
    display: inline-block;
    font-size: 2rem;
    line-height: 1;
    letter-spacing: 0.1rem;
    position: relative;
    /* margin-bottom: auto; */
    /* margin-bottom: 50px; */
    border-bottom: 1px solid var(--light);
    padding-bottom: 10px;
}

h1 {
    font-size: 3rem;
    font-weight: normal;		
}

h2 {
    font-size: 2rem;
    font-weight: normal;
    text-align: center;
}
h3 {
    font-size: 1.5rem;
    font-weight: normal;
    margin-top: 5px;
    margin-bottom: 10px;
    text-align: center;
}

.btn {
    cursor: pointer;
    padding: 5px;
    font-size: 1.3rem;
    border-radius: var(--border-radius);	
    border: none;
    background: transparent;
}

.btn:focus {
    outline: none;
}

.btn-light {
    border-bottom: 2px solid transparent;
    color: var(--color);
    /* background-color: var(--bg); */
}

.btn-light:hover {
    color: white;
    background-color: var(--accent-color);
}

.btn.btn-light.selected {
    background-color: #253035;
    color: white;
    border-color: var(--light);
}

/*-------------------------------------------------EPISODE-SELECTOR--------------------------------------------------*/

.episode-selector {
    padding: 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
}



.episode-selector-season {
    display: flex;
    flex-direction: column;
    margin: 20px 0;
}

.episode-selector-callout {
    color: #888;
    margin-top: 30px;
    margin-bottom: 10px;
}

.season-number {
    margin-top: 30px;
    margin-bottom: 20px;
}

.episode-selector-episodes {
    display: flex;
    flex-wrap: wrap;
    margin: 0 auto;
}

.episode-selector-episodes .btn {
    flex: 0 0 auto;
}

.timeline {
    padding-top: 20px;
    padding-left: 10px;
    padding-right: 10px;
}

.episode-btn {
    width: 3rem;
    height: 3rem;
}

/*------------------------------------------------------TIMELINE-EVENT-GROUP------------------------------------------------------*/

.timeline-group-container {
    position: relative;
    padding-top: 10px;
}

.timeline-group-container:after {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    display: block;
    width: 2px;
    background-color: var(--light);	
    z-index: 1;
}

.timeline-group {
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
}

.timeline-group-timemark {
    display: block;
    padding: 10px;
    font-size: 2rem;
    margin: 0;
    text-align: center;
    border-bottom: 2px solid var(--light);	
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin: 20px auto 0;
}

/*---------------------------------------------------------TIMELINE-EVENT---------------------------------------------------------*/

.timeline-event {
    display: block;	
    width: 30%;	
    padding-top: 10px;
    padding-bottom: 10px;
    box-sizing: content-box;	
    position: relative;	
    z-index: 2;
    transition: transform var(--transition-duration);	
    margin: var(--timeline-event-margin); 
    padding: 0 var(--timeline-event-padding);
}

.timeline-event:hover {
    /* cursor: default;	 */
}

.timeline-event-episode {
    display: block;	
    margin-bottom: 0;
    border-radius: var(--border-radius);	
    padding-top: 0;
    transition: transform var(--transition-duration);
    box-shadow: var(--shadow);
    text-transform: uppercase;
    opacity: 0.7;
    font-size: 0.8rem;
}
.timeline-event:hover .timeline-event-episode {
    /* background-color: var(--darkgrey-highlighted);	 */
}
.timeline-event.highlighted .timeline-event-episode {
    /* background-color: var(--accent-color); */
}
.timeline-event.highlighted:hover .timeline-event-episode {
    /* background-color: var(--accent-color-highlight); */
}

.timeline-event-text {
    position: relative;
    display: block;
    color: white;
    border-radius: var(--border-radius);
    padding: 0 0 0;		
    margin: 0 0 10px 0;
    box-shadow: var(--shadow);
    transition: transform var(--transition-duration);
}

.timeline-event:before {
    content: "";
    position: absolute;
    top: 1rem;
    width: 20px;
    height: 1px;
    background-color: var(--light);
    z-index: 2;
    transition: transform var(--transition-duration);
}

.timeline-event-image {
    display: inline-block;		
    height: 200px;	
    transition: transform var(--transition-duration);
}

.timeline-event-image img {
    display: block;
    width: auto;
    max-height: 200px;
    max-width: 100%;	
    border-radius: var(--border-radius);
    filter: brightness(85%);
    transition: transform var(--transition-duration);
    box-shadow: var(--shadow);
    box-sizing: border-box;
}
.timeline-event:hover .timeline-event-image img {
    filter: brightness(100%);
}

.timeline-event:first-child .timeline-event-image img {
    margin-top: 0;
}

/*-----------------------------------------TIMELINE-EVENT-NTHCHILDS-------------------------------------------*/
@media (min-width: 1024px) {
    .timeline-event:nth-child(2n+1) {
        text-align: right;
    }

    .timeline-event:nth-child(2n) {
        text-align: left;
    }

    
    .timeline-event:nth-child(2n+1) {
        margin-left: calc(20% - 2 * var(--timeline-event-padding) - var(--timeline-event-margin));
        border-right: 1px solid white;
    }

    .timeline-event:nth-child(2n) {
        margin-left: calc(50% + var(--timeline-event-margin));
        border-left: 1px solid white;
    }

    .timeline-event:nth-child(2n):before {
        left: 0;
        transform: translateX(-100%);
    }
    .timeline-event:nth-child(2n+1):before {	
        right: 0;
        transform: translateX(100%);
    }
}

/*-----------------------HOVER EFFECTS------------------------*/
@media (hover: hover) and (min-width: 1024px) {
    .timeline-event:hover:nth-child(2n+1) {
        /* transform: translateX(-10px); */
    }
    .timeline-event:hover:nth-child(2n+1):before {
        /* transform: scale(1.2) translateX(8px); */
    }
    .timeline-event:hover:nth-child(2n) {
        /* transform: translateX(10px); */
    }
    .timeline-event:hover:nth-child(2n)::before {	
        /* transform: scale(1.2) translateX(-8px); */
    }
}


/*--------------------------------------------------ANIMATIONS-------------------------------------------------*/

.appear-enter-active, .appear-leave-active { 
    transition: transform var(--transition-duration) ease-in-out,
                opacity var(--transition-duration) ease-in-out;	
}

.appear-enter, .appear-leave-to {
    opacity: 0;
    /* transform: scaleY(0);	 */
}

.appear-move {
    transition: transform var(--transition-duration) ease-in-out,
                opacity var(--transition-duration) ease-in-out;
}