/* AI Arcade — a standalone, full-screen arcade "game select" page (no site
   sidebar; the sidebar's "AI Arcade" link opens it in a new tab). Its own dark,
   neon, pixel-font world. Tokens below are scoped to the arcade. */

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

body.arcade-page {
    min-height: 100vh;
    background: #0b0a1f;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.arcade {
    --arc-bg: #0b0a1f;
    --arc-bg-2: #15123a;
    --arc-grid: rgba(255, 64, 179, 0.35);
    --arc-pink: #ff40b3;
    --arc-cyan: #35f2ff;
    --arc-yellow: #ffe45c;
    --arc-hot: #ff5a36;
    --arc-cool: #4da3ff;
    --arc-text: #f4f1ff;
    --arc-dim: #9d98c7;
    --pixel: "Press Start 2P", ui-monospace, monospace;

    position: relative;
    min-height: 100vh;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(255, 64, 179, 0.22), transparent 60%),
        linear-gradient(180deg, var(--arc-bg) 0%, var(--arc-bg-2) 100%);
    color: var(--arc-text);
    isolation: isolate;
}

/* Stars */
.arcade-stars {
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
}

/* Synthwave perspective floor */
.arcade-floor {
    position: absolute;
    left: -50%;
    right: -50%;
    bottom: 0;
    height: 55%;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(var(--arc-grid) 2px, transparent 2px),
        linear-gradient(90deg, var(--arc-grid) 2px, transparent 2px);
    background-size: 60px 60px;
    transform: perspective(300px) rotateX(60deg);
    transform-origin: 50% 100%;
    mask-image: linear-gradient(to top, #000 10%, transparent 90%);
    -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 90%);
    animation: floor-scroll 1.6s linear infinite;
}

@keyframes floor-scroll {
    from { background-position: 0 0; }
    to { background-position: 0 60px; }
}

/* CRT scanlines + vignette */
.arcade::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(180deg, rgba(0, 0, 0, 0.18) 0 1px, transparent 1px 3px),
        radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
    z-index: 3;
}

.arcade-inner {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
    padding: 22px 28px 48px;
}

/* HUD row */
.arcade-hud {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-family: var(--pixel);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--arc-dim);
}

.arcade-hud .hud-live { color: var(--arc-cyan); }

.hud-right { display: flex; align-items: center; gap: 18px; }

.hud-exit {
    color: var(--arc-pink);
    text-decoration: none;
    padding: 6px 8px;
    border: 1px solid rgba(255, 64, 179, 0.5);
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
}

.hud-exit:hover, .hud-exit:focus-visible { background: var(--arc-pink); color: #fff; outline: none; }
.arcade-hud .hud-live::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 8px;
    background: var(--arc-cyan);
    box-shadow: 0 0 8px var(--arc-cyan);
    animation: blink 1.2s steps(2, start) infinite;
}

/* Title */
.arcade-title {
    text-align: center;
    margin: 7vh 0 6px;
}

.arcade-title h1 {
    font-family: var(--pixel);
    font-size: clamp(28px, 6vw, 60px);
    line-height: 1.25;
    letter-spacing: 0.04em;
    color: var(--arc-yellow);
    text-shadow:
        3px 3px 0 var(--arc-pink),
        6px 6px 0 rgba(53, 242, 255, 0.55),
        0 0 24px rgba(255, 228, 92, 0.45);
}

.press-start {
    margin-top: 18px;
    font-family: var(--pixel);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--arc-cyan);
    animation: blink 1.1s steps(2, start) infinite;
}

@keyframes blink { to { visibility: hidden; } }

/* Game grid */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 300px));
    justify-content: center;
    gap: 22px;
    margin-top: 34px;
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
}

.game-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: 14px;
    padding: 18px 18px 20px;
    text-decoration: none;
    color: var(--arc-text);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    border: 2px solid rgba(255, 255, 255, 0.14);
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    outline: none;
}

.game-card.playable:hover,
.game-card.playable.selected,
.game-card.playable:focus-visible {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--arc-yellow);
    box-shadow: 0 0 0 2px rgba(255, 228, 92, 0.25), 0 0 34px rgba(255, 64, 179, 0.45);
}

/* Blinking "selector" arrow on the chosen card */
.game-card.playable::before {
    content: "\25B6";
    position: absolute;
    left: -26px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--arc-yellow);
    text-shadow: 0 0 10px var(--arc-yellow);
    opacity: 0;
    transition: opacity 0.15s;
}

.game-card.playable.selected::before,
.game-card.playable:hover::before,
.game-card.playable:focus-visible::before {
    opacity: 1;
    animation: nudge 0.6s ease-in-out infinite alternate;
}

@keyframes nudge { to { transform: translate(5px, -50%); } }

.game-art {
    position: relative;
    height: 170px;
    border-radius: 10px;
    background:
        radial-gradient(circle at 50% 60%, rgba(255, 90, 54, 0.25), transparent 65%),
        #07061a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: grid;
    place-items: center;
    overflow: hidden;
}

.game-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    font-family: var(--pixel);
    font-size: 8px;
    letter-spacing: 0.08em;
    padding: 5px 7px;
    border-radius: 4px;
    background: var(--arc-pink);
    color: #fff;
    box-shadow: 0 0 12px rgba(255, 64, 179, 0.6);
}

/* Thermostat dial */
.dial { width: 132px; height: 132px; }

.dial-ring { fill: none; stroke: rgba(255, 255, 255, 0.12); stroke-width: 10; }
.dial-arc { fill: none; stroke: url(#dialGradient); stroke-width: 10; stroke-linecap: round; }
.dial-face { fill: #120f2e; stroke: rgba(255, 255, 255, 0.18); stroke-width: 2; }

.dial-needle {
    transform-origin: 66px 66px;
    transform: rotate(-120deg);
    transition: transform 0.25s ease-out;
}

.dial-needle line { stroke: var(--arc-yellow); stroke-width: 4; stroke-linecap: round; }
.dial-needle circle { fill: var(--arc-yellow); }

.dial-temp {
    font-family: var(--pixel);
    font-size: 15px;
    fill: var(--arc-cool);
    text-anchor: middle;
    transition: fill 0.25s;
}

.dial-unit { font-family: var(--pixel); font-size: 7px; fill: var(--arc-dim); text-anchor: middle; }

.game-art.hot .dial-temp { fill: var(--arc-hot); }
.game-art.hot { animation: shake 0.28s linear infinite; }

@keyframes shake {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-1.5px, 1px); }
    75% { transform: translate(1.5px, -1px); }
}

/* Sweat drops that fly off when things get too hot */
.drop {
    position: absolute;
    width: 6px;
    height: 9px;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    background: var(--arc-cyan);
    opacity: 0;
    pointer-events: none;
}

.game-art.hot .drop { animation: drop-fly 0.9s ease-out infinite; }
.drop.d1 { left: 28%; top: 30%; }
.drop.d2 { right: 28%; top: 34%; animation-delay: 0.3s !important; }
.drop.d3 { left: 50%; top: 18%; animation-delay: 0.55s !important; }

@keyframes drop-fly {
    0% { opacity: 0; transform: translate(0, 0); }
    20% { opacity: 1; }
    100% { opacity: 0; transform: translate(var(--dx, -14px), 26px); }
}

.drop.d2 { --dx: 14px; }
.drop.d3 { --dx: 0px; }

.game-meta { margin-top: 16px; }

.game-name {
    font-family: var(--pixel);
    font-size: 14px;
    line-height: 1.5;
    color: var(--arc-yellow);
}

.game-tagline {
    margin-top: 8px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--arc-dim);
}

.play-btn {
    margin-top: 16px;
    align-self: flex-start;
    font-family: var(--pixel);
    font-size: 11px;
    letter-spacing: 0.08em;
    padding: 11px 16px;
    border-radius: 8px;
    background: var(--arc-yellow);
    color: #1a1400;
    box-shadow: 0 4px 0 #b39a10;
    transition: transform 0.1s, box-shadow 0.1s;
}

.game-card.playable:active .play-btn { transform: translateY(3px); box-shadow: 0 1px 0 #b39a10; }

/* Locked "coming soon" slot */
.game-card.locked {
    border-style: dashed;
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.02);
    cursor: default;
}

.game-card.locked .game-art {
    background: repeating-linear-gradient(45deg, #0d0b24 0 10px, #110e2c 10px 20px);
}

.lock-q {
    font-family: var(--pixel);
    font-size: 40px;
    color: rgba(255, 255, 255, 0.18);
    animation: float 2.4s ease-in-out infinite;
}

@keyframes float { 50% { transform: translateY(-8px); } }

.game-card.locked .game-name { color: var(--arc-dim); }

.arcade-hint {
    margin-top: 30px;
    text-align: center;
    font-size: 13px;
    color: var(--arc-dim);
}

.arcade-hint kbd {
    font-family: var(--pixel);
    font-size: 9px;
    padding: 3px 6px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-bottom-width: 3px;
    color: var(--arc-text);
    margin: 0 2px;
}

@media (max-width: 760px) {
    .arcade-inner { padding: 16px 16px 26px; }
    .arcade-hud { font-size: 8px; }
    .arcade-title { margin-top: 24px; }
    .game-grid { grid-template-columns: 1fr; margin-top: 26px; }
    .game-card.playable::before { display: none; }
    .arcade-hint .keys { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .arcade-floor, .press-start, .arcade-hud .hud-live::before, .lock-q,
    .game-art.hot, .game-art.hot .drop, .game-card.playable::before { animation: none !important; }
    .game-card { transition: none; }
}