:root {
    color-scheme: dark;
    --bg-green: #082f1a;
    --bg-deep: #000f08;
    --logo: #0c8b45;
    --logo-border: #a7ffc0;
    --hud: #d1ffdc;
    --hud-muted: #79c891;
    --logo-stroke: 0.012em;
    --logo-tracking: -0.04em;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    display: grid;
    min-height: 100vh;
    margin: 0;
    overflow: hidden;
    place-items: center;
    background:
        radial-gradient(
            circle at 44% 28%,
            rgba(83, 255, 139, 0.14),
            transparent 30rem
        ),
        radial-gradient(circle at 72% 76%, rgba(12, 139, 69, 0.16), transparent 24rem),
        linear-gradient(145deg, var(--bg-green) 0%, #041f11 34%, var(--bg-deep) 76%, #000 100%);
    color: var(--logo);
    font-family:
        Roboto,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

main {
    display: flex;
    position: relative;
    z-index: 1;
    flex-direction: column;
    gap: 22px;
    width: min(100% - 32px, 1120px);
    min-height: 100vh;
    align-items: center;
    justify-content: center;
}

.hud,
.status {
    position: fixed;
    left: 50%;
    z-index: 5;
    transform: translateX(-50%);
}

.logo-stage {
    position: relative;
    display: grid;
    place-items: center;
}

.award-pop {
    position: fixed;
    z-index: 4;
    color: var(--logo-border);
    font-size: clamp(1.8rem, 4.4vw, 3.2rem);
    font-weight: 700;
    line-height: 1;
    pointer-events: none;
    transform: translate(-50%, -50%);
    animation: award-pop 820ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hud {
    top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    width: min(100% - 32px, 560px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
}

.game.is-playing .hud {
    opacity: 1;
}

.hud-item {
    min-width: 92px;
    border: 1px solid rgba(167, 255, 192, 0.38);
    padding: 8px 12px;
    background: rgba(0, 15, 8, 0.56);
    color: var(--hud);
    font-size: clamp(0.82rem, 1.5vw, 0.98rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    text-align: center;
}

.status,
.prize {
    min-height: 1.2em;
    margin: 0;
    color: var(--hud-muted);
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.status {
    bottom: 24px;
    width: min(100% - 32px, 620px);
    text-align: center;
    opacity: 0.82;
    transition: opacity 180ms ease;
}

.status.is-hot {
    color: var(--logo-border);
    animation: status-pop 1200ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.prize {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 5;
    min-width: min(84vw, 620px);
    border: 1px solid var(--logo-border);
    padding: 22px 28px;
    background: rgba(2, 16, 8, 0.9);
    color: var(--logo-border);
    font-size: clamp(1.35rem, 4vw, 3.2rem);
    line-height: 1.05;
    text-align: center;
    transform: translate(-50%, -50%) scale(0.9);
    opacity: 0;
    pointer-events: none;
}

.prize.is-visible {
    animation: prize-pop 1800ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.burst {
    position: fixed;
    z-index: 4;
    width: 12px;
    height: 12px;
    background: var(--logo-border);
    pointer-events: none;
    transform: translate(-50%, -50%);
    animation: burst 900ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.logo-target,
.logo-play {
    display: flex;
    margin: 0;
    font-size: clamp(4.5rem, 17vw, 13.5rem);
    font-weight: 700;
    letter-spacing: 0;
    line-height: 0.82;
    text-align: center;
    user-select: none;
}

.logo-target {
    position: absolute;
    color: transparent;
    opacity: 0;
    -webkit-text-stroke: var(--logo-stroke) var(--logo-border);
    paint-order: stroke fill;
    pointer-events: none;
    transition: opacity 180ms ease;
}

.logo-play {
    position: relative;
    color: var(--logo);
    -webkit-text-stroke: var(--logo-stroke) var(--logo-border);
    border: 0;
    background: transparent;
    cursor: pointer;
    paint-order: stroke fill;
}

.game.is-playing .logo-target {
    opacity: 0.24;
}

.logo-letter,
.target-letter {
    display: inline-block;
}

.logo-letter + .logo-letter,
.target-letter + .target-letter {
    margin-left: var(--logo-tracking);
}

.logo-letter {
    position: relative;
    cursor: grab;
    touch-action: none;
    transform: translate3d(var(--x, 0), var(--y, 0), 0) rotate(var(--r, 0));
    transition: transform 520ms cubic-bezier(0.16, 1, 0.3, 1), opacity 180ms ease;
    will-change: transform;
}

.game.is-playing .logo-letter {
    cursor: grab;
}

.logo-letter.is-dragging {
    cursor: grabbing;
    transition: none;
    z-index: 3;
}

.logo-letter.is-placed {
    cursor: default;
    pointer-events: none;
    z-index: 2;
}

@media (prefers-reduced-motion: reduce) {
    .logo-letter {
        transition: none;
    }

.award-pop {
        animation: none;
        display: none;
    }

    .prize.is-visible,
    .burst {
        animation: none;
    }
}

.award-pop.is-bonus {
    font-size: clamp(1.2rem, 3vw, 2rem);
}

@keyframes award-pop {
    0% {
        opacity: 0;
        transform: translate(-50%, -20%) scale(0.84);
    }

    22% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -180%) scale(1.08);
    }
}

@keyframes status-pop {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(10px) scale(0.82);
    }

    18% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1.28);
    }

    42% {
        opacity: 1;
        transform: translateX(-50%) translateY(-4px) scale(1.12);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-22px) scale(0.96);
    }
}

@keyframes prize-pop {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.84);
    }

    18%,
    72% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -58%) scale(0.96);
    }
}

@keyframes burst {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(var(--angle)) translateX(0) scale(1);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(var(--angle)) translateX(var(--distance)) scale(0.2);
    }
}

@media (max-width: 560px) {
    main {
        width: min(100% - 22px, 1120px);
    }

    .logo-target,
    .logo-play {
        font-size: clamp(3.8rem, 20vw, 7rem);
    }

    .hud {
        top: 14px;
        gap: 6px;
        width: min(100% - 18px, 560px);
    }

    .hud-item {
        min-width: auto;
        padding: 7px 9px;
    }

    .status {
        bottom: 14px;
        width: min(100% - 18px, 620px);
    }
}