:root {
    color-scheme: dark;
    --ink: #101820;
    --screen: #8bac0f;
    --screen-dark: #306230;
    --water: #315f72;
    --moss: #6f8f3f;
    --amber: #f5c15b;
    --rose: #b84a62;
    --paper: #f6e6b7;
    --shadow: rgba(5, 12, 17, 0.62);
    --pixel-font: "Courier New", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(184, 74, 98, 0.28), transparent 32%),
        radial-gradient(circle at 70% 20%, rgba(245, 193, 91, 0.18), transparent 30%),
        linear-gradient(180deg, #14242d 0%, #1b3236 46%, #172528 100%);
    color: var(--paper);
    font-family: var(--pixel-font);
}

button {
    font: inherit;
}

.game-stage {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
    align-items: center;
    gap: clamp(20px, 4vw, 56px);
    padding: clamp(18px, 4vw, 48px);
}

.gba-shell {
    width: min(960px, 100%);
    min-width: 0;
    justify-self: end;
    padding: clamp(14px, 2vw, 24px);
    border: 4px solid #0c1419;
    border-radius: 28px 28px 52px 52px;
    background:
        linear-gradient(180deg, #536b78, #344b57 58%, #263b42),
        #354a55;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.46), inset 0 3px 0 rgba(255, 255, 255, 0.18);
}

.brand-strip,
.console-controls,
.hud-layer,
.hint-banner,
.bio-panel,
.game-popup,
.loading-box {
    text-transform: uppercase;
}

.brand-strip {
    display: flex;
    justify-content: space-between;
    padding: 0 8px 12px;
    font-size: 12px;
    color: #d9f0ea;
}

.screen-bezel {
    position: relative;
    min-width: 0;
    aspect-ratio: 3 / 2;
    padding: clamp(10px, 1.5vw, 18px);
    border: 4px solid #0b1114;
    border-radius: 10px;
    background: #101820;
    overflow: hidden;
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    background: var(--screen-dark);
}

.screen-bezel::after {
    content: "";
    position: absolute;
    inset: clamp(10px, 1.5vw, 18px);
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.08),
        rgba(255, 255, 255, 0.08) 1px,
        transparent 1px,
        transparent 4px
    );
    mix-blend-mode: overlay;
}

.hud-layer {
    position: absolute;
    top: clamp(14px, 2vw, 22px);
    left: clamp(14px, 2vw, 22px);
    right: clamp(14px, 2vw, 22px);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

#mini-map {
    position: absolute;
    right: clamp(18px, 2.2vw, 26px);
    bottom: clamp(18px, 2.4vw, 28px);
    z-index: 3;
    width: 92px;
    height: 62px;
    image-rendering: pixelated;
    border: 2px solid rgba(246, 230, 183, 0.92);
    background: rgba(16, 24, 32, 0.86);
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.4);
}

.hud-pill,
.hint-banner {
    background: rgba(16, 24, 32, 0.84);
    color: var(--paper);
    border: 2px solid rgba(246, 230, 183, 0.82);
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.38);
    font-size: clamp(8px, 1.2vw, 12px);
    line-height: 1;
    padding: 6px 8px;
}

.hint-banner {
    position: absolute;
    left: 42%;
    bottom: clamp(18px, 2.4vw, 28px);
    transform: translateX(-50%);
    transition: opacity 260ms ease, transform 260ms ease;
    pointer-events: none;
    white-space: nowrap;
}

.hint-banner.is-hidden {
    opacity: 0;
    transform: translate(-50%, 8px);
}

.console-controls {
    min-height: 80px;
    display: grid;
    grid-template-columns: 130px 1fr 150px;
    align-items: center;
    gap: 18px;
    padding: 18px 10px 0;
}

.dpad-mark {
    position: relative;
    width: 88px;
    height: 88px;
}

.dpad-mark span {
    position: absolute;
    background: #121a1f;
    border: 2px solid #070a0c;
    box-shadow: inset 2px 2px 0 rgba(255, 255, 255, 0.08);
}

.dpad-mark span:nth-child(1) { width: 28px; height: 76px; left: 30px; top: 6px; }
.dpad-mark span:nth-child(2) { width: 76px; height: 28px; left: 6px; top: 30px; }
.dpad-mark span:nth-child(3) { width: 28px; height: 28px; left: 30px; top: 30px; background: #1b252b; }
.dpad-mark span:nth-child(4) { display: none; }

.console-speaker {
    justify-self: center;
    display: flex;
    gap: 7px;
}

.console-speaker i {
    width: 5px;
    height: 42px;
    border-radius: 999px;
    background: #17242a;
    border: 1px solid #0c1318;
}

.ab-mark {
    justify-self: end;
    display: flex;
    gap: 18px;
    transform: rotate(-14deg);
}

.ab-mark span,
.action-button {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 999px;
    background: var(--rose);
    border: 3px solid #571f31;
    color: #fff4cf;
    box-shadow: inset 3px 3px 0 rgba(255, 255, 255, 0.18), 4px 5px 0 rgba(0, 0, 0, 0.38);
}

.bio-panel {
    align-self: center;
    width: min(320px, 100%);
    max-width: 320px;
    padding: 0 4px;
    color: #f3e8c3;
}

.bio-panel .kicker,
.popup-label {
    margin: 0 0 8px;
    color: var(--amber);
    font-size: 12px;
}

.bio-panel h1 {
    margin: 0 0 14px;
    font-size: clamp(28px, 5vw, 52px);
    line-height: 0.95;
    letter-spacing: 0;
}

.bio-panel p:last-child {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    color: #c7d7c5;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.loading-screen,
.white-transition {
    position: fixed;
    inset: 0;
    z-index: 9000;
}

.loading-screen {
    display: grid;
    place-items: center;
    background: #101820;
    transition: opacity 260ms ease, visibility 260ms ease;
}

.loading-screen.is-done {
    display: none;
    opacity: 0;
    visibility: hidden;
}

.loading-box {
    width: min(320px, calc(100vw - 48px));
    padding: 18px;
    border: 3px solid var(--paper);
    background: #263b42;
    box-shadow: 5px 5px 0 #06090b;
}

.loading-box p {
    margin: 0 0 14px;
}

.load-bar {
    height: 16px;
    border: 2px solid #101820;
    background: #172528;
}

.load-bar span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--screen), var(--amber));
    transition: width 180ms ease;
}

.game-popup {
    position: fixed;
    left: 50%;
    bottom: clamp(18px, 5vw, 54px);
    z-index: 120;
    width: min(420px, calc(100vw - 30px));
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 14px;
    padding: 16px;
    border: 3px solid var(--paper);
    background: rgba(16, 24, 32, 0.96);
    box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.55);
    transform: translate(-50%, 8px) scale(0.98);
    opacity: 0;
    transition: opacity 180ms ease, transform 180ms ease;
}

.game-popup:not([hidden]) {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
}

.popup-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    background: var(--screen);
    color: #101820;
    border: 3px solid var(--screen-dark);
    font-weight: 700;
}

.game-popup h2,
.game-popup p {
    margin: 0;
}

.game-popup h2 {
    font-size: 22px;
}

.game-popup p:not(.popup-label) {
    margin-top: 6px;
    color: #c9dcc4;
    font-size: 13px;
}

.popup-actions {
    grid-column: 1 / -1;
    display: flex;
    gap: 10px;
}

.primary-btn,
.ghost-btn {
    min-height: 38px;
    padding: 0 18px;
    border: 2px solid var(--paper);
    color: var(--paper);
    background: #25444c;
    cursor: pointer;
}

.primary-btn {
    background: var(--rose);
}

.primary-btn:focus-visible,
.ghost-btn:focus-visible,
.action-button:focus-visible {
    outline: 3px solid var(--amber);
    outline-offset: 3px;
}

.mobile-controls {
    position: fixed;
    left: 0;
    right: 0;
    bottom: max(14px, env(safe-area-inset-bottom));
    z-index: 90;
    display: none;
    justify-content: space-between;
    align-items: end;
    padding: 0 20px;
    pointer-events: none;
}

.joystick,
.action-button {
    pointer-events: auto;
    touch-action: none;
}

.joystick {
    position: relative;
    width: 96px;
    height: 96px;
    border-radius: 999px;
    border: 3px solid rgba(246, 230, 183, 0.82);
    background: rgba(16, 24, 32, 0.62);
}

.joystick span {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    background: var(--moss);
    border: 2px solid #263b42;
    transform: translate(-50%, -50%);
}

.white-transition {
    background: #fff;
    opacity: 0;
    pointer-events: none;
    transition: opacity 420ms ease-in-out;
}

.white-transition.is-active {
    opacity: 1;
    pointer-events: all;
}

@media (max-width: 860px) {
    body {
        overflow: auto;
    }

    .game-stage {
        display: block;
        grid-template-columns: 1fr;
        align-content: start;
        overflow-x: hidden;
        padding: 16px 6px 140px;
        padding-bottom: 140px;
    }

    .gba-shell {
        width: min(320px, calc(100vw - 24px));
        max-width: 100%;
        margin: 0 auto;
    }

    .brand-strip {
        padding: 0 4px 10px;
        font-size: 11px;
    }

    .bio-panel {
        width: min(320px, calc(100vw - 24px));
        margin: 28px auto 0;
        padding: 0 2px;
        text-align: center;
    }

    .bio-panel p:last-child {
        font-size: 11px;
        line-height: 1.5;
    }

    .console-controls {
        display: none;
    }

    .mobile-controls {
        display: flex;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}