:root {
    --arc-navy: #140f2e;
    --arc-ink: #05030f;
    --arc-pink: #ff2d78;
    --arc-yellow: #ffe14d;
    --arc-green: #3dff8c;
    --arc-panel: #241755;
    --arc-shell: #1c1244;
    --arc-glass: #0b081f;
    --arc-purple: #3d2f7a;
    --arc-dim: #9f96d8;
    --arc-text: #d9d4f2;
    --arc-px: "Press Start 2P", monospace;
    --arc-body: "VT323", "Courier New", monospace;
    --arc-cut: polygon(
        0 8px, 8px 8px, 8px 0,
        calc(100% - 8px) 0, calc(100% - 8px) 8px, 100% 8px,
        100% calc(100% - 8px), calc(100% - 8px) calc(100% - 8px),
        calc(100% - 8px) 100%,
        8px 100%, 8px calc(100% - 8px), 0 calc(100% - 8px)
    );
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--arc-navy);
    color: var(--arc-text);
    font-family: var(--arc-body);
    font-size: 19px;
    line-height: 1.5;
    overflow-x: hidden;
}

img {
    max-width: 100%;
}

button {
    font: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid var(--arc-yellow);
    outline-offset: 2px;
}

/* screen-glass overlay */
.arc-crt {
    position: fixed;
    inset: 0;
    z-index: 60;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        rgba(4, 2, 12, 0.3) 0px,
        rgba(4, 2, 12, 0.3) 1px,
        transparent 1px,
        transparent 3px
    );
    opacity: 0.4;
}

/* marquee */
.arc-marquee {
    padding: 30px 14px 6px;
    text-align: center;
}

.arc-brand-box {
    display: inline-block;
    max-width: 100%;
    font-family: var(--arc-px);
    font-size: 15px;
    line-height: 1.5;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--arc-navy);
    background: var(--arc-yellow);
    border: 4px solid var(--arc-pink);
    padding: 16px 24px;
    clip-path: var(--arc-cut);
    overflow-wrap: break-word;
}

.arc-brand-box a {
    color: inherit;
    text-decoration: none;
}

.arc-coin-line {
    margin: 18px 0 0;
    font-family: var(--arc-px);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--arc-green);
    animation: arcBlink 1.2s steps(2, start) infinite;
}

@keyframes arcBlink {
    0%,
    59% {
        opacity: 1;
    }
    60%,
    100% {
        opacity: 0;
    }
}

/* hall layout */
.arc-hall {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 24px 14px 44px;
    display: grid;
    gap: 32px;
}

/* game shell */
.arc-cabinet {
    background: var(--arc-shell);
    border: 4px solid var(--arc-ink);
    box-shadow: 10px 10px 0 var(--arc-ink);
    padding: 16px;
    display: grid;
    gap: 16px;
}

/* Grid children must be allowed to shrink below their content's
   intrinsic width (the canvas reports its attribute width), or the
   cabinet blows out narrow viewports. */
.arc-hall > *,
.arc-cabinet > * {
    min-width: 0;
}

.arc-screen {
    position: relative;
    background: var(--arc-glass);
    border: 4px solid var(--arc-pink);
    min-height: 240px;
    overflow: hidden;
}

.arc-canvas {
    display: block;
    width: 100%;
    max-width: 100%;
    height: 260px;
    image-rendering: pixelated;
}

.arc-readout {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--arc-px);
    font-size: 22px;
    color: var(--arc-yellow);
    text-shadow: 3px 3px 0 var(--arc-ink);
    pointer-events: none;
}

.arc-readout-live {
    color: var(--arc-green);
}

.arc-readout-bust {
    color: var(--arc-pink);
}

.arc-flash {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px;
    font-family: var(--arc-px);
    font-size: 15px;
    line-height: 1.8;
    background: rgba(20, 15, 46, 0.62);
    text-shadow: 3px 3px 0 var(--arc-ink);
    pointer-events: none;
}

.arc-flash-win {
    display: flex;
    color: var(--arc-green);
}

.arc-flash-bust {
    display: flex;
    color: var(--arc-pink);
}

.arc-shake {
    animation: arcQuake 0.45s steps(2, end) 1;
}

@keyframes arcQuake {
    0% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(-7px, 4px);
    }
    50% {
        transform: translate(6px, -5px);
    }
    75% {
        transform: translate(-4px, -3px);
    }
    100% {
        transform: translate(0, 0);
    }
}

/* round history strip */
.arc-history {
    list-style: none;
    margin: 0;
    padding: 2px;
    min-height: 40px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
}

.arc-hist {
    flex-shrink: 0;
    font-family: var(--arc-px);
    font-size: 9px;
    padding: 9px 10px;
    background: var(--arc-glass);
    border: 3px solid var(--arc-purple);
    white-space: nowrap;
}

.arc-hist-win {
    color: var(--arc-green);
    border-color: var(--arc-green);
}

.arc-hist-bust {
    color: var(--arc-pink);
    border-color: var(--arc-pink);
}

/* control deck */
.arc-panel {
    display: grid;
    gap: 14px;
    align-content: start;
    background: var(--arc-panel);
    border: 4px solid var(--arc-ink);
    box-shadow: 6px 6px 0 var(--arc-ink);
    padding: 14px;
}

.arc-panel > * {
    min-width: 0;
}

.arc-meter {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 3px dashed var(--arc-purple);
    padding: 10px 12px;
}

.arc-meter-label {
    font-family: var(--arc-px);
    font-size: 10px;
    color: var(--arc-green);
}

.arc-meter-value {
    flex: 1;
    text-align: right;
    font-family: var(--arc-px);
    font-size: 14px;
    color: var(--arc-yellow);
    overflow: hidden;
    text-overflow: ellipsis;
}

.arc-chip-btn {
    font-family: var(--arc-px);
    font-size: 10px;
    color: var(--arc-yellow);
    background: var(--arc-purple);
    border: 3px solid var(--arc-ink);
    box-shadow: 3px 3px 0 var(--arc-ink);
    padding: 10px 12px;
    cursor: pointer;
    text-transform: uppercase;
}

.arc-chip-btn:hover {
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0 var(--arc-ink);
}

.arc-chip-btn:active {
    transform: translate(3px, 3px);
    box-shadow: 0 0 0 var(--arc-ink);
}

.arc-chip-btn:disabled,
.arc-launch:disabled {
    opacity: 0.45;
    cursor: default;
    transform: none;
}

.arc-bet-block {
    display: grid;
    gap: 10px;
}

.arc-bet-label {
    font-family: var(--arc-px);
    font-size: 10px;
    color: var(--arc-pink);
    letter-spacing: 1px;
}

.arc-bet-row {
    display: flex;
    gap: 8px;
}

.arc-bet-input {
    flex: 1;
    /* width:0 + flex:1 — a number input's built-in ~20ch intrinsic
       width otherwise forces the row past narrow viewports */
    width: 0;
    min-width: 0;
    text-align: center;
    font-family: var(--arc-body);
    font-size: 26px;
    color: var(--arc-green);
    background: var(--arc-glass);
    border: 3px solid var(--arc-ink);
    padding: 4px 8px;
    appearance: textfield;
    -moz-appearance: textfield;
}

.arc-bet-input::-webkit-outer-spin-button,
.arc-bet-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.arc-presets {
    display: grid;
    /* minmax(0, 1fr): plain 1fr tracks refuse to shrink below the
       pixel-font button's min-content and blow out 375px viewports */
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.arc-preset {
    padding: 10px 4px;
}

.arc-launch {
    width: 100%;
    font-family: var(--arc-px);
    font-size: 14px;
    letter-spacing: 1px;
    color: #fff;
    background: var(--arc-pink);
    border: 4px solid var(--arc-ink);
    box-shadow: 5px 5px 0 var(--arc-ink);
    padding: 18px 10px;
    cursor: pointer;
    text-transform: uppercase;
}

.arc-launch:hover {
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0 var(--arc-ink);
}

.arc-launch:active {
    transform: translate(5px, 5px);
    box-shadow: 0 0 0 var(--arc-ink);
}

.arc-launch-live {
    background: var(--arc-green);
    color: var(--arc-glass);
}

.arc-note {
    margin: 0;
    min-height: 1.4em;
    font-size: 18px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--arc-dim);
}

.arc-sound {
    justify-self: start;
}

.arc-noscript {
    margin: 0;
    font-size: 19px;
    color: var(--arc-yellow);
    border: 3px dashed var(--arc-yellow);
    padding: 12px 14px;
}

/* top-scores board */
.arc-hof {
    background: var(--arc-shell);
    border: 4px solid var(--arc-pink);
    box-shadow: 10px 10px 0 var(--arc-ink);
    padding: 18px 16px 20px;
}

.arc-hof-title {
    margin: 0 auto 18px;
    max-width: 100%;
    width: fit-content;
    font-family: var(--arc-px);
    font-size: 14px;
    line-height: 1.6;
    text-align: center;
    letter-spacing: 2px;
    color: var(--arc-navy);
    background: var(--arc-green);
    padding: 12px 20px;
    clip-path: var(--arc-cut);
}

.arc-scores {
    counter-reset: arcRank;
    display: grid;
    gap: 12px;
}

.arc-scores:empty {
    display: none;
}

.arc-hof:has(> .arc-scores:empty) {
    display: none;
}

.arc-score-row {
    counter-increment: arcRank;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    background: var(--arc-glass);
    border: 3px solid var(--arc-purple);
    padding: 12px 14px;
}

.arc-score-row::before {
    content: counter(arcRank, decimal-leading-zero);
    font-family: var(--arc-px);
    font-size: 13px;
    color: var(--arc-yellow);
    text-shadow: 2px 2px 0 var(--arc-ink);
}

.arc-score-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border: 3px solid var(--arc-purple);
    background: var(--arc-shell);
    padding: 3px;
}

.arc-score-name {
    flex: 1 1 auto;
    min-width: 120px;
    font-family: var(--arc-px);
    font-size: 11px;
    line-height: 1.7;
    color: #fff;
    overflow-wrap: anywhere;
}

.arc-stars {
    display: inline-block;
    width: 100px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2010%208'%3E%3Cg%20fill='%23ffe14d'%3E%3Crect%20x='3'%20y='0'%20width='2'%20height='2'/%3E%3Crect%20x='0'%20y='2'%20width='8'%20height='2'/%3E%3Crect%20x='1'%20y='4'%20width='6'%20height='1'/%3E%3Crect%20x='2'%20y='5'%20width='4'%20height='1'/%3E%3Crect%20x='1'%20y='6'%20width='2'%20height='1'/%3E%3Crect%20x='5'%20y='6'%20width='2'%20height='1'/%3E%3C/g%3E%3C/svg%3E");
    background-size: 20px 16px;
    background-repeat: repeat-x;
    image-rendering: pixelated;
}

.arc-play-btn {
    margin-left: auto;
    display: inline-block;
    font-family: var(--arc-px);
    font-size: 10px;
    text-decoration: none;
    text-transform: uppercase;
    color: var(--arc-navy);
    background: var(--arc-yellow);
    border: 3px solid var(--arc-ink);
    box-shadow: 4px 4px 0 var(--arc-pink);
    padding: 11px 16px;
}

.arc-play-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--arc-pink);
}

.arc-play-btn:active {
    transform: translate(4px, 4px);
    box-shadow: 0 0 0 var(--arc-pink);
}

/* story terminal */
.arc-terminal {
    background: #0d0a22;
    border: 4px solid var(--arc-green);
    box-shadow: 10px 10px 0 var(--arc-ink);
    padding: 20px 18px 26px;
}

.arc-terminal::before {
    content: "> FLIGHT.LOG";
    display: block;
    font-family: var(--arc-px);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--arc-green);
    border-bottom: 3px solid var(--arc-purple);
    padding-bottom: 12px;
    margin-bottom: 20px;
}

.arc-story {
    margin: 0;
}

.arc-story h1 {
    margin: 0 0 20px;
    font-family: var(--arc-px);
    font-size: 16px;
    line-height: 1.8;
    color: var(--arc-yellow);
    text-shadow: 3px 3px 0 var(--arc-ink);
}

.arc-story h2 {
    margin: 32px 0 12px;
    font-family: var(--arc-px);
    font-size: 12px;
    line-height: 1.9;
    color: var(--arc-pink);
}

.arc-story h2::before {
    content: "\25B8 ";
    color: var(--arc-green);
}

.arc-story h3 {
    margin: 22px 0 8px;
    font-family: var(--arc-px);
    font-size: 10px;
    line-height: 1.9;
    color: var(--arc-green);
}

.arc-story p {
    margin: 0 0 14px;
    font-size: 20px;
}

.arc-story ul,
.arc-story ol {
    margin: 0 0 16px;
    padding-left: 24px;
    font-size: 20px;
}

.arc-story li {
    margin-bottom: 8px;
}

.arc-story li::marker {
    color: var(--arc-yellow);
}

.arc-story a {
    color: var(--arc-green);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.arc-story a:hover {
    color: var(--arc-yellow);
}

.arc-story strong {
    color: #fff;
}

.arc-stat-list {
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
    border: 3px solid var(--arc-purple);
}

.arc-stat-row {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    margin: 0;
    padding: 9px 12px;
    border-bottom: 3px solid var(--arc-purple);
}

.arc-stat-row:last-child {
    border-bottom: none;
}

.arc-stat-label {
    flex-shrink: 0;
    color: var(--arc-green);
}

.arc-stat-value {
    text-align: right;
    color: #fff;
}

#arc-questions {
    border-top: 3px dashed var(--arc-purple);
    padding-top: 8px;
}

/* basement */
.arc-basement {
    max-width: 1120px;
    margin: 0 auto;
    padding: 4px 14px 48px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.arc-age-tag {
    flex-shrink: 0;
    font-family: var(--arc-px);
    font-size: 12px;
    color: var(--arc-navy);
    background: var(--arc-yellow);
    border: 3px solid var(--arc-pink);
    padding: 9px 10px;
}

.arc-footer-note {
    margin: 0;
    font-size: 17px;
    color: var(--arc-dim);
}

/* wide floor */
@media (min-width: 800px) {
    .arc-brand-box {
        font-size: 16px;
    }

    .arc-canvas {
        height: 340px;
    }

    .arc-readout {
        font-size: 28px;
    }

    .arc-cabinet {
        grid-template-columns: minmax(0, 1fr) 300px;
        grid-template-areas:
            "screen panel"
            "history panel";
        align-items: start;
    }

    .arc-screen {
        grid-area: screen;
    }

    .arc-history {
        grid-area: history;
    }

    .arc-panel {
        grid-area: panel;
    }

    .arc-terminal {
        padding: 26px 30px 32px;
    }
}