@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

:root {
    --bg-0: #07070d;
    --bg-1: #12121c;
    --bg-2: #1c1c2a;
    --ink: #f4f1ea;
    --muted: #a8a3b8;
    --gold: #ffd24a;
    --gold-dim: #c9a227;
    --red: #e52521;
    --red-dark: #8b0000;
    --blue: #049cd8;
    --frame: #16161f;
    --frame-hi: #2c2c3c;
    --danger: #ff5d73;
    --ok: #5dff9a;
}

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

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

body {
    background: var(--bg-0);
    color: var(--ink);
    font-family: 'Press Start 2P', cursive;
    overflow-x: hidden;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(12px, 2.4vw, 28px);
    padding-bottom: 24px;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(1200px 600px at 50% -10%, rgba(74, 124, 247, 0.18), transparent 55%),
        radial-gradient(800px 400px at 80% 100%, rgba(255, 210, 74, 0.06), transparent 50%),
        linear-gradient(180deg, #141422 0%, #07070d 42%, #050508 100%);
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.045;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    z-index: -1;
}

.site-header {
    text-align: center;
    margin-bottom: clamp(10px, 2vw, 22px);
    max-width: 1100px;
    width: 100%;
}

.logo {
    font-size: clamp(22px, 5.4vw, 48px);
    letter-spacing: 0.08em;
    color: #fff;
    text-shadow:
        4px 4px 0 #000,
        0 0 18px rgba(255, 210, 74, 0.28),
        0 0 42px rgba(74, 124, 247, 0.25);
    line-height: 1.25;
}

.tagline {
    font-family: 'VT323', monospace;
    font-size: clamp(18px, 3vw, 28px);
    color: var(--muted);
    margin-top: 8px;
    letter-spacing: 0.04em;
}

.stage-shell {
    width: 100%;
    max-width: 1100px;
    display: flex;
    justify-content: center;
}

.stage-frame {
    position: relative;
    background: linear-gradient(160deg, var(--frame-hi) 0%, var(--frame) 48%, #0d0d14 100%);
    border-radius: 18px;
    padding: 12px 12px 14px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.08),
        0 0 0 6px #0a0a10,
        0 24px 60px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.14);
    width: fit-content;
    max-width: 100%;
}

.stage-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 2px 4px 10px;
}

.chip {
    font-family: 'VT323', monospace;
    font-size: 18px;
    color: var(--gold);
    letter-spacing: 0.12em;
}

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

.icon-btn {
    width: 38px;
    height: 38px;
    background: rgba(0, 0, 0, 0.45);
    border: 2px solid rgba(255, 255, 255, 0.75);
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.icon-btn:hover {
    transform: translateY(-1px);
    background: rgba(0, 0, 0, 0.7);
    border-color: var(--gold);
}

.icon-btn:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

.icon-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.stage {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow:
        inset 0 0 0 3px #000,
        0 0 0 1px rgba(255, 255, 255, 0.08);
    background: #3a6ee8;
    line-height: 0;
}

.stage::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.035) 0px,
        rgba(255, 255, 255, 0.035) 1px,
        transparent 1px,
        transparent 3px
    );
    mix-blend-mode: overlay;
    opacity: 0.35;
}

#gameCanvas {
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    touch-action: none;
}

.legend {
    margin-top: 16px;
    text-align: center;
    max-width: 920px;
    width: 100%;
}

.controls-box {
    display: inline-block;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 0;
    max-width: 100%;
}

.controls-box summary {
    font-family: 'VT323', monospace;
    font-size: clamp(18px, 2.4vw, 22px);
    color: var(--muted);
    cursor: pointer;
    list-style: none;
    padding: 8px 18px;
    letter-spacing: 0.08em;
    user-select: none;
}

.controls-box summary::-webkit-details-marker {
    display: none;
}

.controls-box summary::after {
    content: ' +';
    color: var(--gold);
}

.controls-box[open] summary::after {
    content: ' –';
}

.controls-box summary:hover {
    color: var(--ink);
}

.controls-box[open] summary {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.controls-box:not([open]) .legend-row {
    display: none;
}

.controls-box[open] .legend-row {
    padding: 12px 12px 14px;
}

.legend-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.kbd {
    font-family: 'VT323', monospace;
    font-size: clamp(16px, 2.2vw, 22px);
    color: var(--ink);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom-width: 3px;
    border-radius: 8px;
    padding: 6px 10px;
    letter-spacing: 0.03em;
}

.popup-warning {
    font-family: 'VT323', monospace;
    color: var(--danger);
    font-size: clamp(14px, 2vw, 18px);
    margin-top: 8px;
    text-align: center;
    opacity: 0.9;
}

.mobile-controls {
    display: none;
    margin-top: 16px;
    width: 100%;
    max-width: 440px;
    justify-content: space-between;
    align-items: flex-end;
    gap: 12px;
    padding: 0 4px;
}

.control-btn {
    width: 58px;
    height: 58px;
    background: var(--red);
    border: 3px solid #000;
    border-radius: 10px;
    color: #fff;
    font-family: 'Press Start 2P', cursive;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 4px 0 var(--red-dark);
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

.control-btn:active {
    transform: translateY(4px);
    box-shadow: none;
}

.d-pad {
    display: grid;
    grid-template-columns: repeat(3, 58px);
    grid-template-rows: repeat(2, 58px);
    gap: 6px;
}

.d-pad .up { grid-column: 2; grid-row: 1; }
.d-pad .left { grid-column: 1; grid-row: 2; }
.d-pad .right { grid-column: 3; grid-row: 2; }

.action-buttons {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.jump-btn {
    width: 78px;
    height: 78px;
    background: var(--blue);
    box-shadow: 0 4px 0 #02608a;
    font-size: 11px;
}

.fire-btn {
    width: 78px;
    height: 78px;
    background: var(--gold);
    color: #1a1200;
    box-shadow: 0 4px 0 var(--gold-dim);
    font-size: 11px;
}

.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(4, 4, 10, 0.82);
    backdrop-filter: blur(8px);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.overlay.active {
    display: flex;
}

.overlay-content {
    background: linear-gradient(180deg, #24243a 0%, #141428 100%);
    border: 4px solid #fff;
    border-radius: 16px;
    padding: clamp(18px, 3vw, 32px);
    text-align: center;
    width: min(640px, 100%);
    box-shadow: 0 0 50px rgba(255, 210, 74, 0.12), 0 20px 40px rgba(0, 0, 0, 0.45);
}

.overlay-title {
    color: #fff;
    font-size: clamp(12px, 2.6vw, 18px);
    margin-bottom: 10px;
    text-shadow: 2px 2px 0 #000;
}

.overlay-sub {
    font-family: 'VT323', monospace;
    font-size: 22px;
    color: var(--muted);
    margin-bottom: 22px;
}

.character-options,
.site-grid {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
}

.character-option,
.site-card {
    background: rgba(255, 255, 255, 0.06);
    border: 3px solid #5a5a72;
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
    width: 120px;
    text-decoration: none;
    color: inherit;
}

.site-card {
    width: 150px;
}

.character-option:hover,
.site-card:hover {
    border-color: var(--gold);
    background: rgba(255, 220, 0, 0.14);
    transform: translateY(-2px);
}

.character-option.selected {
    border-color: var(--gold);
    background: rgba(255, 220, 0, 0.22);
    box-shadow: 0 0 20px rgba(255, 220, 0, 0.35);
}

.character-option canvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.character-name,
.site-name {
    color: #fff;
    font-size: 10px;
    margin-top: 10px;
    text-shadow: 1px 1px 0 #000;
}

.site-name {
    font-size: 11px;
}

.site-desc {
    font-family: 'VT323', monospace;
    font-size: 16px;
    color: var(--muted);
    margin-top: 6px;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 22px;
}

.close-btn,
.ghost-btn {
    background: var(--red);
    color: #fff;
    border: 3px solid #000;
    padding: 12px 26px;
    font-family: 'Press Start 2P', cursive;
    font-size: 11px;
    cursor: pointer;
    border-radius: 8px;
    box-shadow: 0 4px 0 var(--red-dark);
}

.ghost-btn {
    background: #2a2a40;
    box-shadow: 0 4px 0 #111118;
}

.close-btn:hover,
.ghost-btn:hover {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #000;
}

.mute-row {
    margin-top: 8px;
    font-family: 'VT323', monospace;
    font-size: 20px;
    color: var(--muted);
}

@media (max-width: 768px) {
    .mobile-controls {
        display: flex;
    }

    .stage-frame {
        padding: 8px 8px 10px;
        border-radius: 14px;
        max-width: 100%;
    }

    .character-option {
        width: 96px;
        padding: 10px;
    }

    .site-card {
        width: 132px;
    }
}

@media (hover: none) and (pointer: coarse) {
    .mobile-controls {
        display: flex;
    }
}

@media (max-height: 700px) {
    .logo {
        font-size: clamp(18px, 4vw, 32px);
    }
    .tagline {
        font-size: 16px;
        margin-top: 4px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .icon-btn,
    .character-option,
    .site-card,
    .close-btn {
        transition: none;
    }
}