/******************************************************
    REGOLE GENERALI
*******************************************************/

:root {
    --dark: #080B12;
    --main-color: #141922;
    --grey: #282828;
    --light-grey: #797C80;
    --green: #ADFF2F;
}

body {
    height: 100vh;
    min-width: 300px;
}

.grid {
    display: grid;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-col-reverse {
    flex-direction: column-reverse;
}

.no-shrink {
    flex-shrink: 0;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.active::before {
    content: '';
    background-color: var(--green);
    position: absolute;
}

.col-grow {
    flex-basis: 0;
    flex-grow: 1;
}

.button {
    background-color: transparent;
    border-radius: 80px;
    color: #FFF;
    padding: 1em 2em;
    border: 1px solid currentColor;
}

.btn__large {
    padding: 0.5em 3em;
}

.fake-bar {
    height: 0.5rem;
    background-color: #3A3A3A;
    border-radius: 1rem;
    align-self: center;
    cursor: pointer;
}

.fake-bar__inside {
    background-color: #C1C1C1;
    border-radius: 1rem;
    height: 100%;
    position: relative;
}

.fake-bar__dot {
    position: absolute;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: white;
    right: -0.25rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
}

.fake-bar:hover .fake-bar__inside {
    background-color: var(--green);
}

.fake-bar:hover .fake-bar__dot {
    opacity: 1;
}

/******************************************************
TOP SITE - MAIN CONTAINER
*******************************************************/

.main-container {
    flex-grow: 1;
}

/******************************************************
    HEADER - SIDEBAR
*******************************************************/

.sidebar {
    background-color: #000;
    padding: 0.5rem 1rem;
    justify-content: space-between;
    align-items: center;
    max-width: 4rem;
    color: #FFF;
}

.sidebar ul {
    gap: 0.5rem;
    align-items: flex-start;
}

.sidebar li.active {
    position: relative;
    opacity: 0.8;
}

.sidebar li.active:hover {
    opacity: 1;
}

.sidebar li.active::before {
    display: none;
    width: 0.125rem;
    height: 2rem;
    left: -1rem;
    top: -0.25rem;
}

.sidebar li * {
    vertical-align: middle;
}

#fp-logo {
    width: 48px;
    height: 48px;
}

.sidebar li img {
    width: 1.5rem;
}

/******************************************************
    SIDEBAR - CONTENT
*******************************************************/

/******************************************************
    SIDEBAR - HEAD
*******************************************************/

.sidebar .sidebar-head {
    margin-bottom: 1.75rem;
}

.sidebar li #logo__large {
    display: none;
    width: 40px;
}

.sidebar .sidebar-head li:nth-child(n + 3):not([class*="active"]) {
    filter: invert(0.6);
}

.sidebar .sidebar-head li:hover {
    filter: none !important;
}

/******************************************************
SIDEBAR CONTENT - BODY
*******************************************************/
.sidebar-body {
    flex-grow: 1;
    flex-basis: 0;
    overflow: auto;
}

.sidebar .sidebar-body,
.sidebar li a span {
    display: none;
}

.sidebar .sidebar-body .sidebar-body__title {
    padding-bottom: 1rem;
}

.sidebar .sidebar-body .add__playlist {
    margin-bottom: 1.5rem;
    cursor: pointer;
}

.sidebar .sidebar-body .add__playlist {
    filter: invert(0.6);
}

.sidebar .sidebar-body .add__playlist:hover {
    filter: none !important;
}

.sidebar .sidebar-body .playlist__btn {
    padding-right: 0.5rem;
    font-size: 2.5rem;
}

.sidebar .sidebar-body li {
    filter: invert(0.6);
}

.sidebar .sidebar-body li:hover {
    filter: none !important;
}

.sidebar .sidebar-body ul {
    gap: 1.5rem;
}

/******************************************************
    SIDEBAR CONTENT - FOOTER
*******************************************************/

.sidebar .download {
    gap: 0.5rem;
}

.sidebar .download {
    filter: invert(0.6);
    font-weight: bold;
}

.sidebar .download:hover {
    filter: none !important;
}

.sidebar .download .container-arrow {
    margin-bottom: 2rem;
    border: 1.5px solid #FFF;
    border-radius: 100%;
    font-size: 0.5rem;
    width: 1rem;
    aspect-ratio: 1;
    text-align: center;
}

.sidebar .download span {
    display: none;
}

.sidebar .sidebar__profile::before {
    content: "";
    border-bottom: 1px solid #666;
    margin: 1rem 0;
    width: 12rem;
    display: none;
}

.sidebar .sidebar-content {
    flex-basis: 100%;
}

.sidebar .sidebar-footer {
    align-items: center;
}

.sidebar .sidebar-footer .sidebar__profile * {
    vertical-align: middle;
}

.sidebar .sidebar-footer .sidebar__profile figcaption {
    display: none;
    padding-left: 0.5rem;
}

.sidebar .sidebar-footer .sidebar__profile img {
    background-color: var(--light-grey);
    border-radius: 50%;
    width: 2rem;
    aspect-ratio: 1;
}



/******************************************************
    MAIN - MAIN
*******************************************************/

.main-main {
    color: #FFF;
}

/******************************************************
    SECTION UPGRADE
*******************************************************/

.main-container .upgrade {
    background-color: var(--dark);
    justify-content: flex-end;
    padding: 1.5rem 1rem;
}

.main-container .upgrade .button:hover {
    transform: scale(1.1);
}

/******************************************************
    SECTION - CONTAINER
*******************************************************/

.main-container .container {
    background-color: var(--main-color);
    overflow: auto;
    position: relative;
    padding-bottom: 1.5rem;
}

/******************************************************
    CONTAINER - NAV
*******************************************************/

.container .container-nav {
    color: var(--light-grey);
    font-weight: bold;
    padding-top: 1.5rem;
}

.container-nav .nav-list {
    gap: 1.5rem;
    flex-wrap: wrap;
}

.container-nav .nav-list li {
    position: relative;
}

.container-nav .nav-list li:hover {
    color: #FFF;
}

.container-nav .nav-list .active::before {
    height: 0.125rem;
    width: 2rem;
    top: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
}

/******************************************************
    CONTAINER - CONTENT
*******************************************************/

.container-content {
    padding: 0rem 2rem 0 1.25rem;
}

.container-content .content__title {
    font-size: 1.5rem;
    padding-top: 2.5rem;
}

.content__subtitle {
    color: var(--light-grey);
    padding-top: 0.5rem;
}

.container-content .container-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding-top: 2rem;
    text-align: center;
}

.container-content .content .layover__container {
    position: relative;
}

.container-content .content .layover {
    display: none;
}

.container-content .content:hover .layover {
    display: flex;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
    font-size: 4rem;
}

.container-content .col__title {
    padding-top: 1rem;
}

.container-content .container-grid img {
    cursor: pointer;
}

.container-content .container-grid .rounded {
    border-radius: 100%;
}

/******************************************************
    ASIDE PLAYER
*******************************************************/

.player {
    background-color: var(--grey);
    /* Restringendo in altezza arriverà ad essere l'unico elemento visibile */
    position: sticky;
    bottom: 0;
    right: 0;
    left: 0;
    color: #FFF;
    padding: 0.5rem;
    padding-bottom: 1rem;
    align-items: center;
    z-index: 2;
}

.player .song {
    align-items: center;
    gap: 1.5rem;
}

.player .song__img img {
    width: 2.75rem;
}

.player .song__img {
    gap: 0.75rem;
    align-items: center;
}

.player .song__img .song__img__desc span {
    font-size: 1rem;
    filter: invert(0.6);
}

.player .song__buttons {
    gap: 0.5rem;
    font-size: 1.2rem;
}

.player .song__buttons * {
    filter: invert(0.6);
    cursor: pointer;
}

.player .song__buttons *:hover {
    filter: none !important;
}

.player .col:not([class*="fake-player"]) {
    display: none;
}

.player .fake-player {
    gap: 1rem;
    flex-grow: 1;
    margin: 0 1rem;
}


.player .fake-player__buttons ul.flex {
    gap: 1.5rem;
    font-size: 1.2rem;
}

.player .fake-player__buttons ul.flex .big-button {
    margin: 0 0.5rem;
    font-size: 2rem;
}

.player .fake-player__buttons ul.flex .big-button:hover {
    transform: scale(1.1);
}

.player .fake-player__buttons li {
    cursor: pointer;
}

.player .fake-player__bar .fake-bar {
    margin: 0 1rem;
    flex-grow: 1;
    /* TODO: Ho usato max-width per farlo rimpicciolire solo una volta esaurito lo spazio ed evitare che diventi troppo grande, non avevo fatto caso che si dovesse rimpicciolire costantemente, ma visto che Gianluca ha detto che gli piace questa soluzione ho deciso di lasciarla :P */
    max-width: 26.75rem;
}

.player .fake-player__bar .fake-bar:hover .fake-bar__inside {
    animation: playsong 5s linear;
    animation-fill-mode: forwards;
}

.player .fake-player__bar .fake-bar__inside {
    width: 0;
}

@keyframes playsong {
    0% {
        width: 0;
    }

    100% {
        width: 100%;
    }
}

.player .volume {
    gap: 0.5rem;
}

.player .volume .fake-bar {
    width: 5.25rem;
}

.player .volume .fake-bar__inside {
    width: 20%;
}

/******************************************************
    MEDIA QUERY
*******************************************************/

/* TODO: BONUS */
@media screen and (min-width: 552px) {
    .player .col:not([class*="fake-player"]) {
        display: flex;
    }
}

@media screen and (min-width: 639px) {

    /******************************************************
        HEADER - SIDEBAR
    *******************************************************/

    .sidebar {
        align-items: flex-start;
        max-width: 14rem;
    }

    .sidebar li.active::before {
        display: block;
    }

    .sidebar li a span,
    .sidebar li a h1 {
        display: inline-block;
    }

    /* NUOVO LOGO */
    .sidebar li #logo__large {
        display: block;
        width: 140px;
    }

    /* NUOVO LOGO */
    .sidebar li #logo {
        display: none;
    }

    .sidebar .sidebar-body {
        display: block;
    }

    .sidebar .sidebar-body .add__playlist {
        display: flex;
    }

    .sidebar .download span {
        display: inline;
    }

    .sidebar .sidebar__profile::before {
        display: block;
    }

    .sidebar .sidebar-footer {
        align-items: flex-start;
    }

    .sidebar .download .container-arrow {
        margin-bottom: 0;
    }

    .sidebar .sidebar-footer .sidebar__profile figcaption {
        display: inline;
    }

}

@media screen and (min-width: 878px) {

    /******************************************************
        CONTAINER - NAV
    *******************************************************/

    /* TODO: BONUS */
    .container .container-nav {
        position: sticky;
        top: 0;
        left: 0;
        background-color: rgba(20, 25, 34, 0.9);
        padding-bottom: 1.5rem;
        z-index: 1;
    }

    /******************************************************
        CONTAINER - CONTENT
    *******************************************************/

    .container-content .container-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /******************************************************
        ASIDE - PLAYER
    *******************************************************/

    .player .song__buttons {
        flex-direction: row;
        gap: 1rem;
    }

}

@media screen and (min-width: 1440px) {

    /******************************************************
        CONTAINER NAV
    *******************************************************/

    .container-content .container-grid {
        grid-template-columns: repeat(6, 1fr);
    }

}

/******************************************************
    TODO: DEBUG RULES
*******************************************************/

/* .debug .main-main {
    background-color: aqua;
} */

/* body.debug {
    color: blue;
} */

/* .debug .player {
    padding: 2rem;
} */

/* .debug .sidebar {
    padding: 1rem;
} */

/* .debug .upgrade {
    padding: 2rem;
} */

/* .debug .container-nav {
    padding: 1rem;
} */