/* TOKENS */
:root {
    --bg: #09090f;
    --bg-card: #0e0e1a;
    --bg-card-bd: #1c1b35;
    --line: #1c1b35;
    --line-dark: #131325;
    --text: #cfd0e8;
    --text-card: #b0b8d4;
    --text-muted: #7272a0;
    --text-dim: #404060;
    --text-dimmer: #2e2e50;
    --text-faint: #1e1e3a;
    --accent: #ff6b35;
    --cyan: #4dd9e8;
    --violet: #7b5ea7;
    --green: #39d98a;
    --visited: #9b72cf;
    --title-bg: #0d1f3c;
    --font: 'Courier New', monospace;
    --t: .2s;
    /* timeline */
    --tl-pad: 80px;
    --tl-line: 60px;
    --dot-l: 14px;
    --dot-s: 8px;
    --dot-l-x: -26px;
    --dot-s-x: -22px;
}


/* RESET */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* BASE */
body {
    font-family: var(--font), serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 3rem 1rem;
}


a {
    color: var(--cyan);
    transition: color var(--t);
}

a:visited {
    color: var(--visited);
}

a:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
}

/* H1 */
h1 {
    text-align: center;
    font-size: 1.6rem;
    letter-spacing: .15em;
    color: var(--accent);
    margin-bottom: 3rem;
    text-transform: uppercase;
    text-shadow: 0 0 24px rgba(255, 107, 53, .35);
}

/* H1 */
h2 {
    text-align: center;
    font-size: 1.4rem;
    letter-spacing: .15em;
    color: var(--text-muted );
    margin-bottom: 3rem;
    text-shadow: 0 0 24px rgba(255, 107, 53, .35);
}

/* TIMELINE */
.timeline {
    position: relative;
    max-width: 690px;
    margin: 0 auto;
    padding-left: var(--tl-pad);
}

.timeline::before {
    content: '';
    position: absolute;
    left: var(--tl-line);
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom,
    transparent 0%,
    var(--cyan) 5%,
    var(--cyan) 95%,
    transparent 100%
    );
    opacity: .18;
}

/* MACHINE HEADER */
.machine-header {
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
}

.machine-header:first-child {
    margin-top: 0;
}

.machine-header::before {
    content: '';
    position: absolute;
    left: var(--dot-l-x);
    width: var(--dot-l);
    height: var(--dot-l);
    background: var(--accent);
    transform: rotate(45deg);
    z-index: 1;
    box-shadow: 0 0 10px rgba(255, 107, 53, .5);
}

.machine-name {
    width: 100%;
    font-size: .9rem;
    font-weight: bold;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .2em;
    padding-bottom: .3rem;
    border-bottom: 1px solid rgba(255, 107, 53, .2);
}

.machine-name::before {
    content: '// ';
    color: var(--text-dim);
}

/* ENTRY */
.entry {
    position: relative;
    margin-bottom: 2rem;
}

.entry::before {
    content: '';
    position: absolute;
    left: var(--dot-s-x);
    top: .35em;
    width: var(--dot-s);
    height: var(--dot-s);
    border-radius: 50%;
    background: var(--text-faint);
    border: 1px solid var(--line);
    transition: background var(--t), box-shadow var(--t);
    z-index: 1;
}

.year {
    font-size: .75rem;
    color: var(--text-muted);
    width: 50px;
    text-align: right;
}

.year::before {
    content: '[';
    color: var(--text-dim);
}

.year::after {
    content: ']';
    color: var(--text-dim);
}

.title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    background: var(--title-bg);
    padding: 4px 8px;
    letter-spacing: .03em;
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
    transition: background var(--t), color var(--t), clip-path var(--t);
}

.actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .4rem;
}

.btn-embed {
    font-family: inherit;
    font-size: .8rem;
    cursor: pointer;
    border-radius: 0;
    padding: .25rem .7rem;
    color: var(--bg);
    background: var(--green);
    border: none;
    letter-spacing: .06em;
    text-transform: uppercase;
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
    transition: background var(--t), color var(--t), clip-path var(--t);
}

.btn-embed:hover {
    background: var(--cyan);
}

a.btn-embed:visited {
    color: var(--text-dim);
}

.link-external {
    font-size: .72rem;
    color: var(--text-dim);
    text-decoration: none;
    letter-spacing: .04em;
    transition: color var(--t);
}

.link-external::before {
    content: '[ ';
}

.link-external::after {
    content: ' ]';
}

.link-external:hover {
    color: var(--cyan);
}

/* GAME CARD */
.game-card {
    width: 100%;
    padding: 4px;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-bd);
    border-left: 2px solid var(--text-faint);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 1px 6px rgba(0, 0, 0, .5);
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
    transition: background var(--t), color var(--t), clip-path var(--t);
}

.game-card:hover {
    border-left-color: var(--cyan);
    box-shadow: 0 2px 16px rgba(0, 229, 255, .08);
}

.game-card img {
    display: block;
    width:100%;
    max-width: 600px;
    image-rendering: pixelated;
}

.game-card h3,
.game-card p {
    margin: .7rem;
}

.game-card h3 {
    margin-bottom: .3rem;
}

.game-card p {
    color: var(--text-card);
    font-size: 1rem;
    line-height: 1.4;
}

/* EMULATOR */
.emulator {
    margin-top: .8rem;
    border: 1px solid var(--line);
    background: #000;
}

.emulator iframe {
    display: block;
    width: 100%;
    height: 500px;
    border: none;
}

.emulator-warn {
    font-size: .68rem;
    color: var(--text-dim);
    padding: .3rem .5rem;
    border-top: 1px solid var(--line-dark);
    text-align: right;
}

.emulator-warn a {
    color: var(--text-dimmer);
}

/* ÉTATS OUVERT/FERMÉ */
.entry.open::before {
    background: var(--green);
    box-shadow: 0 0 6px rgba(0, 255, 159, .4);
}

.entry.open .btn-embed {
    background: var(--cyan);
}

.preview {
    display: block;
}

.emulator {
    display: none;
}

.entry.open .preview {
    display: none;
}

.entry.open .emulator {
    display: block;
}

/* RESPONSIVE */
@media (max-width: 500px) {
    :root {
        --tl-pad: 52px;
        --tl-line: 36px;
        --dot-l-x: -20px;
        --dot-s-x: -16px;
    }

    h1 {
        font-size: 1.2rem;
    }

    .title {
        font-size: 1.15rem;
    }

    .emulator iframe {
        height: 320px;
    }
}