@font-face {
    font-family: "Minecraft UI";
    src: url("/fonts/Minecraft.otf") format("opentype");
    font-display: swap;
}

@font-face {
    font-family: "Minecraft UI";
    src: url("/fonts/Minecraft-Bold.otf") format("opentype");
    font-weight: 700;
    font-display: swap;
}

@font-face {
    font-family: "Fusion Pixel";
    src: url("/fonts/fusion-pixel-12px-zh-hans.woff2") format("woff2");
    font-display: swap;
}

:root {
    color-scheme: dark;
    --game-black: #101116;
    --game-ink: #17191f;
    --game-white: #f8f8f6;
    --game-muted: #a9abb1;
    --game-line: #45474c;
    --game-accent: #fdf872;
    --game-top: 56px;
}

html,
body {
    min-width: 280px;
    min-height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    overscroll-behavior: none;
}

body {
    background: var(--game-black);
    color: var(--game-white);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-synthesis: none;
    -webkit-font-smoothing: none;
    text-rendering: geometricPrecision;
}

button,
input,
kbd {
    font: inherit;
}

button,
a,
.touch-btn,
.back-link {
    -webkit-tap-highlight-color: transparent;
}

.top-bar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 500;
    height: var(--game-top);
    height: calc(var(--game-top) + env(safe-area-inset-top));
    padding: 0 18px;
    padding-top: env(safe-area-inset-top);
    background: var(--game-white);
    border: 0;
    border-bottom: 1px solid #d5d5d2;
    box-shadow: 0 4px 0 var(--game-black);
    color: var(--game-black);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

.top-bar a {
    min-height: 36px;
    padding: 7px 11px;
    border: 2px solid var(--game-black);
    border-radius: 999px;
    background: var(--game-black);
    color: var(--game-white);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 12px;
    line-height: 1;
    letter-spacing: .02em;
    text-decoration: none;
    white-space: nowrap;
}

.top-bar a:hover,
.top-bar a:focus-visible {
    background: var(--game-white);
    color: var(--game-black);
    outline: none;
}

.top-bar .title {
    margin-left: auto;
    overflow: hidden;
    color: var(--game-black);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: .04em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#gameWrap {
    width: 100%;
    height: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--game-black);
}

.racer-page #gameWrap {
    top: var(--game-top);
    top: calc(var(--game-top) + env(safe-area-inset-top));
    height: auto;
}

#canvasWrap {
    margin-top: var(--game-top);
    margin-top: calc(var(--game-top) + env(safe-area-inset-top));
    background:
        linear-gradient(90deg, transparent 49.75%, rgba(255, 255, 255, .035) 50%, transparent 50.25%),
        linear-gradient(0deg, transparent 49.75%, rgba(255, 255, 255, .035) 50%, transparent 50.25%),
        var(--game-black);
    background-size: 32px 32px;
}

canvas {
    max-width: 100%;
    max-height: 100%;
    outline: 1px solid #2b2d33;
    background: #000;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

#startScreen,
#menuScreen {
    top: var(--game-top);
    top: calc(var(--game-top) + env(safe-area-inset-top));
    min-height: 0;
    padding: 28px max(18px, env(safe-area-inset-right)) calc(28px + env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
    overflow: auto;
    background:
        linear-gradient(90deg, rgba(16, 17, 22, .035) 1px, transparent 1px),
        linear-gradient(rgba(16, 17, 22, .035) 1px, transparent 1px),
        var(--game-white);
    background-size: 24px 24px;
    color: var(--game-black);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

#startScreen::before,
#menuScreen::before {
    content: "";
    display: block;
    width: 54px;
    height: 6px;
    margin: 0 auto 22px;
    background: var(--game-accent);
    box-shadow: 6px 6px 0 var(--game-black);
}

#startScreen h1,
#menuScreen h1 {
    margin: 0 0 12px;
    color: var(--game-black);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: clamp(34px, 6vw, 64px);
    font-weight: 400;
    line-height: 1;
    letter-spacing: .02em;
}

#startScreen .sub,
#menuScreen .sub {
    max-width: 560px;
    margin: 0 0 28px;
    color: #62656b;
    font-family: "Fusion Pixel", "Minecraft UI", monospace;
    font-size: 17px;
    line-height: 1.65;
}

.start-chip {
    min-height: 28px;
    margin: 0 0 18px;
    padding: 7px 12px;
    border: 1px solid var(--game-black);
    border-radius: 0;
    background: var(--game-black);
    color: var(--game-white);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 11px;
    font-weight: 400;
    letter-spacing: .08em;
}

.start-btn,
.menu-btn {
    min-width: 220px;
    min-height: 52px;
    padding: 14px 24px;
    border: 2px solid var(--game-black);
    border-radius: 999px;
    background: var(--game-black);
    box-shadow: 5px 5px 0 var(--game-accent);
    color: var(--game-white);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.1;
    cursor: pointer;
    transition: transform .12s ease, box-shadow .12s ease, background .12s ease, color .12s ease;
}

.start-btn:hover,
.start-btn:focus-visible,
.menu-btn:hover,
.menu-btn:focus-visible,
.menu-btn.secondary:hover,
.menu-btn.secondary:focus-visible {
    background: var(--game-white);
    color: var(--game-black);
    outline: none;
}

.start-btn:active,
.menu-btn:active {
    transform: translate(3px, 3px);
    box-shadow: 2px 2px 0 var(--game-accent);
}

.menu-btn.secondary {
    background: #303238;
    color: var(--game-white);
}

.menu-btns {
    width: min(100%, 300px);
    gap: 12px;
}

.menu-btns > * + * {
    margin-top: 12px;
}

.start-keys {
    max-width: 620px;
    margin-top: 30px;
    color: #62656b;
    font-family: "Fusion Pixel", "Minecraft UI", monospace;
    font-size: 15px;
    line-height: 2;
}

.start-keys kbd {
    min-width: 31px;
    padding: 5px 8px 4px;
    border: 1px solid var(--game-black);
    border-radius: 2px;
    background: var(--game-white);
    box-shadow: 2px 2px 0 var(--game-black);
    color: var(--game-black);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 12px;
    line-height: 1;
    text-align: center;
}

.key-pair {
    display: inline-block;
    margin: 0 5px;
    white-space: nowrap;
}

#hud {
    top: calc(var(--game-top) + 12px);
    top: calc(var(--game-top) + env(safe-area-inset-top) + 12px);
    max-width: calc(100% - 24px);
    padding: 9px 12px 7px;
    border: 1px solid #555861;
    border-radius: 3px;
    background: rgba(16, 17, 22, .88);
    color: var(--game-white);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 11px;
    font-weight: 400;
    line-height: 1.25;
    text-shadow: none;
}

.hud-item {
    margin: 0 8px;
}

.hud-val,
.hud-lap {
    color: var(--game-accent);
}

#touchControls,
.touch-controls {
    bottom: 0;
    padding-bottom: 18px;
    padding-bottom: calc(18px + env(safe-area-inset-bottom));
    padding-left: 16px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: 16px;
    padding-right: max(16px, env(safe-area-inset-right));
}

.touch-lr {
    gap: 8px;
}

.touch-lr .touch-btn + .touch-btn {
    margin-left: 8px;
}

@supports (gap: 1px) {
    .menu-btns > * + * {
        margin-top: 0;
    }

    .touch-lr .touch-btn + .touch-btn {
        margin-left: 0;
    }
}

.touch-btn,
.touch-gas,
.touch-brake {
    width: 62px;
    height: 62px;
    border: 2px solid rgba(255, 255, 255, .8);
    border-radius: 4px;
    background: rgba(16, 17, 22, .82);
    box-shadow: 4px 4px 0 rgba(253, 248, 114, .8);
    color: var(--game-white);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 17px;
    line-height: 1;
}

.touch-gas {
    width: 72px;
    height: 72px;
}

.touch-brake {
    width: 58px;
    height: 58px;
}

.touch-btn.active,
.touch-btn:active {
    border-color: var(--game-accent);
    background: var(--game-white);
    box-shadow: 2px 2px 0 var(--game-accent);
    color: var(--game-black);
    transform: translate(2px, 2px);
}

#onlinePanel {
    width: min(100%, 330px);
}

#onlinePanel h2 {
    margin-bottom: 18px;
    color: var(--game-black);
    font-family: "Fusion Pixel", "Minecraft UI", monospace;
    font-size: 24px;
    font-weight: 400;
}

#onlinePanel input {
    width: 100%;
    margin-bottom: 14px;
    padding: 13px 14px;
    border: 2px solid var(--game-black);
    border-radius: 2px;
    background: var(--game-white);
    box-shadow: 4px 4px 0 var(--game-accent);
    color: var(--game-black);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 18px;
    letter-spacing: 4px;
    outline: none;
}

#onlinePanel input:focus {
    border-color: var(--game-black);
    box-shadow: 4px 4px 0 var(--game-black);
}

#onlinePanel .status {
    min-height: 22px;
    margin-top: 12px;
    color: #62656b;
    font-family: "Fusion Pixel", "Minecraft UI", monospace;
    font-size: 14px;
}

#onlinePanel .room-code {
    margin: 12px 0;
    padding: 14px 20px;
    border: 2px solid var(--game-black);
    border-radius: 2px;
    background: var(--game-white);
    box-shadow: 4px 4px 0 var(--game-accent);
    color: var(--game-black);
    font-family: "Minecraft UI", "Fusion Pixel", monospace;
    font-size: 28px;
    letter-spacing: 6px;
}

.back-link {
    display: inline-block;
    margin-top: 18px;
    padding: 8px 10px;
    color: #45474c;
    font-family: "Fusion Pixel", "Minecraft UI", monospace;
    font-size: 14px;
    text-decoration: underline;
    text-underline-offset: 4px;
}

.back-link:hover,
.back-link:focus-visible {
    color: var(--game-black);
    outline: 1px dashed var(--game-black);
}

.touch-area {
    height: calc(100% - var(--game-top));
    height: calc(100% - var(--game-top) - env(safe-area-inset-top));
}

@media (max-width: 560px) {
    :root {
        --game-top: 52px;
    }

    .top-bar {
        padding-right: 12px;
        padding-left: 12px;
    }

    .top-bar a {
        min-height: 32px;
        padding: 6px 9px;
        font-size: 10px;
    }

    .top-bar .title {
        max-width: 43%;
        font-size: 11px;
    }

    #startScreen,
    #menuScreen {
        padding-top: 20px;
    }

    #startScreen::before,
    #menuScreen::before {
        width: 42px;
        height: 5px;
        margin-bottom: 17px;
    }

    #startScreen h1,
    #menuScreen h1 {
        font-size: clamp(30px, 11vw, 43px);
    }

    #startScreen .sub,
    #menuScreen .sub {
        margin-bottom: 22px;
        font-size: 14px;
    }

    .start-btn,
    .menu-btn {
        min-width: 0;
        width: min(100%, 270px);
        min-height: 48px;
        font-size: 13px;
    }

    .start-keys {
        margin-top: 24px;
        font-size: 12px;
        line-height: 2.2;
    }

    .key-pair {
        display: block;
        margin: 0;
    }

    #hud {
        padding: 8px 8px 6px;
        font-size: 9px;
    }

    .hud-item {
        margin: 0 4px;
    }

    .touch-btn,
    .touch-gas,
    .touch-brake {
        width: 54px;
        height: 54px;
        font-size: 14px;
    }

    .touch-gas {
        width: 62px;
        height: 62px;
    }

    .touch-brake {
        width: 50px;
        height: 50px;
    }
}

@media (max-height: 520px) {
    #startScreen,
    #menuScreen {
        -webkit-box-pack: start;
        -webkit-justify-content: flex-start;
        justify-content: flex-start;
        padding-top: 18px;
    }

    #startScreen::before,
    #menuScreen::before {
        margin-bottom: 14px;
    }

    #startScreen h1,
    #menuScreen h1 {
        font-size: 30px;
    }

    #startScreen .sub,
    #menuScreen .sub {
        margin-bottom: 18px;
    }

    .start-keys {
        margin-top: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
}