/* =====================================================================
   chrono.games — candy-bright pixel-art on deep soil
   Design tokens: Interactive elements have a subtle "time rewind" hover effect — a quick reverse animation before the forward action plays; IntersectionObserver` to detect section boundaries.
   palette: #f0e6d3 #ff9f43 #2b1f1a #5b8dee #4aedc4 #1a1210 #ff6b9d #ffe66d
   fonts : Silkscreen · Outfit · Press Start 2P · Inter (fallback stack)
   ===================================================================== */

:root {
    --soil: #2b1f1a;
    --soil-deep: #1a1210;
    --cartridge: #3d3a36;
    --cream: #f0e6d3;
    --pink: #ff6b9d;
    --mint: #4aedc4;
    --lemon: #ffe66d;
    --blue: #5b8dee;
    --tangerine: #ff9f43;

    --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-wipe: cubic-bezier(0.77, 0, 0.175, 1);

    --px: 4px; /* base pixel unit for "tile" scaling */

    --type-hero: clamp(2rem, 5vw, 4rem);
    --type-body: clamp(1rem, 1.2vw + 0.6rem, 1.25rem);
    --type-ui: 0.75rem;

    --ratio: 1.333;

    --grid-cols: 16;
    --grid-rows: 12;

    --hud-h: clamp(56px, 6vw, 76px);
    --xp-h: 10px;
}

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

html, body {
    background: var(--soil);
    color: var(--cream);
    font-family: 'Outfit', 'Inter', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    font-weight: 300;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background-image:
        repeating-linear-gradient(0deg, rgba(240,230,211,0.025) 0 1px, transparent 1px 4px),
        repeating-linear-gradient(90deg, rgba(240,230,211,0.025) 0 1px, transparent 1px 4px);
    background-size: 32px 32px;
}

/* ===== Mesh background stage =========================================== */
.mesh-stage {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    overflow: hidden; background: var(--soil);
}
.mesh {
    position: absolute; inset: -20%;
    background-size: 80px 80px, 100% 100%;
    mix-blend-mode: screen;
    opacity: 0.14;
    animation: meshDrift 30s var(--bounce) infinite alternate;
}
.mesh-1 {
    background-image:
        radial-gradient(circle at 20% 30%, var(--pink) 0%, transparent 45%),
        radial-gradient(circle at 80% 70%, var(--mint) 0%, transparent 40%);
}
.mesh-2 {
    background-image:
        conic-gradient(from 90deg at 60% 40%, var(--blue) 0deg, transparent 120deg, var(--tangerine) 240deg, transparent 360deg);
    animation-duration: 38s; animation-direction: alternate-reverse;
    opacity: 0.10;
}
.mesh-3 {
    background-image:
        radial-gradient(circle at 50% 90%, var(--lemon) 0%, transparent 30%),
        radial-gradient(circle at 10% 80%, var(--pink) 0%, transparent 28%);
    animation-duration: 24s;
    opacity: 0.09;
}
@keyframes meshDrift {
    0%   { transform: translate3d(0,0,0) scale(1.0); }
    50%  { transform: translate3d(-3%, 2%, 0) scale(1.05); }
    100% { transform: translate3d(2%, -3%, 0) scale(1.02); }
}

/* ===== Floating sprite field =========================================== */
.sprite-field {
    position: fixed; inset: 0; z-index: 1; pointer-events: none;
}
.sprite {
    position: absolute;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    transform-origin: center;
    animation: float 18s var(--bounce) infinite alternate;
    will-change: transform;
}
@keyframes float {
    0%   { transform: translate3d(0,0,0) rotate(0deg); }
    50%  { transform: translate3d(30px, -40px, 0) rotate(8deg); }
    100% { transform: translate3d(-20px, 30px, 0) rotate(-6deg); }
}
@keyframes twinkle {
    0%, 100% { opacity: 0.35; transform: scale(1); }
    50%      { opacity: 1;    transform: scale(1.35); }
}

/* Pixel sprite primitives (all box-shadow based on 1x1 .pix element).
   The :before carries the box-shadow list; scale via transform.      */
.pix {
    width: 1px; height: 1px; background: transparent; position: relative;
    transform: scale(var(--s, 4));
    transform-origin: top left;
}

/* ===== HUD header (fixed clock) ======================================== */
.hud-header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--hud-h);
    z-index: 40;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 clamp(16px, 3vw, 40px);
    background: linear-gradient(180deg, rgba(26,18,16,0.92) 0%, rgba(26,18,16,0.55) 75%, rgba(26,18,16,0));
    backdrop-filter: blur(6px);
}
.cartridge-mark { display: flex; align-items: center; gap: 12px; }
.cartridge-pixel {
    width: 18px; height: 12px;
    background: var(--pink);
    box-shadow:
        -3px 0 var(--pink), 21px 0 var(--pink),
        0 -3px var(--tangerine), 0 3px var(--mint),
        3px 0 0 -3px var(--soil-deep);
    image-rendering: pixelated;
}
.brand {
    font-family: 'Silkscreen', 'Press Start 2P', monospace;
    font-size: clamp(0.9rem, 1.4vw, 1.15rem);
    letter-spacing: 0.08em;
    color: var(--cream);
    text-shadow: 2px 2px 0 var(--soil-deep);
}
.pixel-clock {
    font-family: 'Press Start 2P', monospace;
    font-size: clamp(0.75rem, 1.3vw, 1rem);
    color: var(--mint);
    text-shadow: 2px 2px 0 var(--soil-deep);
    letter-spacing: 0.06em;
    padding: 8px 14px;
    background: rgba(26,18,16,0.65);
    border: 2px solid var(--soil-deep);
    box-shadow:
        inset 0 0 0 2px rgba(74,237,196,0.15),
        4px 4px 0 var(--soil-deep);
    display: inline-flex; align-items: center; gap: 1px;
}
.clk-sep { color: var(--mint); transition: opacity 0.1s linear; }
.clk-sep.blink-off { opacity: 0; }
.clk-digit { min-width: 0.9em; display: inline-block; text-align: center; }

/* ===== Z-path SVG overlay (fixed, behind content) ====================== */
.z-path-overlay {
    position: fixed; inset: 0;
    width: 100vw; height: 100vh;
    z-index: 2;
    pointer-events: none;
    opacity: 0.05;
}
#zPath {
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
    transition: stroke-dashoffset 0.2s linear;
}

/* ===== Main layout ===================================================== */
main { position: relative; z-index: 3; }

.zone {
    position: relative;
    min-height: 100vh;
    padding: calc(var(--hud-h) + 24px) clamp(20px, 4vw, 64px) clamp(40px, 6vh, 96px);
    overflow: hidden;
    display: flex; flex-direction: column; justify-content: center;
}

.zone-timer {
    position: absolute;
    top: calc(var(--hud-h) - 8px);
    left: clamp(20px, 4vw, 64px);
    display: flex; flex-direction: column; gap: 2px;
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
}
.timer-label { color: var(--tangerine); letter-spacing: 0.08em; }
.timer-value { color: var(--mint); }

/* Z-grid: 16x12 with explicit waypoint placement */
.z-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-cols), 1fr);
    grid-template-rows: repeat(var(--grid-rows), minmax(36px, auto));
    gap: clamp(12px, 1.5vw, 22px);
    width: 100%;
    flex: 1;
    align-content: center;
}

.z-wp {
    display: flex; flex-direction: column; gap: 14px;
    opacity: 0;
    transform: translateY(24px) scale(0.94);
}
.z-wp.in {
    animation: bounceIn 0.7s var(--bounce) both;
}
.z-wp.in.d1  { animation-delay: 0.00s; }
.z-wp.in.d2  { animation-delay: 0.08s; }
.z-wp.in.d3  { animation-delay: 0.16s; }
.z-wp.in.d4  { animation-delay: 0.24s; }
.z-wp.in.d5  { animation-delay: 0.32s; }

@keyframes bounceIn {
    0%   { opacity: 0; transform: translateY(24px) scale(0.92); }
    55%  { opacity: 1; transform: translateY(-2px) scale(1.05); }
    80%  { transform: translateY(1px) scale(0.98); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* Waypoint placements on the 16x12 grid ---------------------------------- */
.z-wp-tl     { grid-column: 1 / span 6;  grid-row: 1 / span 4; }
.z-wp-tr     { grid-column: 11 / span 6; grid-row: 1 / span 4; align-items: flex-end; text-align: right; }
.z-wp-center { grid-column: 4 / span 10; grid-row: 5 / span 5; }
.z-wp-center.wide { grid-column: 2 / span 14; }
.z-wp-bl     { grid-column: 1 / span 6;  grid-row: 10 / span 3; }
.z-wp-br     { grid-column: 11 / span 6; grid-row: 10 / span 3; align-items: flex-end; }

/* ===== Typography ====================================================== */
.pixel-title {
    font-family: 'Silkscreen', monospace;
    font-weight: 400;
    font-size: var(--type-hero);
    letter-spacing: 0.08em;
    line-height: 1.05;
    color: var(--cream);
    text-shadow:
        4px 4px 0 var(--soil-deep),
        8px 8px 0 rgba(91,141,238,0.25);
}
.pixel-title.small { font-size: clamp(1.6rem, 3.8vw, 3rem); }
.accent-pink { color: var(--pink); }
.accent-mint { color: var(--mint); }

.eyebrow {
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
    color: var(--tangerine);
    letter-spacing: 0.1em;
}

.zone-lede {
    font-size: var(--type-body);
    color: var(--cream);
    max-width: 60ch;
    font-weight: 400;
    line-height: 1.7;
}

/* ===== Checkpoints ===================================================== */
.checkpoint {
    display: inline-flex; align-items: center; gap: 10px;
    cursor: pointer;
    padding: 6px 10px;
    background: rgba(26,18,16,0.55);
    border: 2px solid var(--soil-deep);
    box-shadow: 4px 4px 0 var(--soil-deep);
    transition: transform 0.25s var(--bounce), box-shadow 0.25s var(--bounce);
    align-self: flex-start;
}
.checkpoint:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--soil-deep);
}
.cp-flag {
    width: 18px; height: 22px; position: relative;
    background:
        linear-gradient(var(--pink), var(--pink)) 0 0 / 14px 12px no-repeat,
        linear-gradient(var(--soil-deep), var(--soil-deep)) 14px 0 / 2px 22px no-repeat,
        linear-gradient(var(--cream), var(--cream)) 0 20px / 18px 2px no-repeat;
    animation: cpPulse 1.4s var(--bounce) infinite alternate;
    image-rendering: pixelated;
}
.cp-flag.flag-mint   { background-color: var(--mint); background-image: linear-gradient(var(--mint), var(--mint)) 0 0 / 14px 12px no-repeat, linear-gradient(var(--soil-deep), var(--soil-deep)) 14px 0 / 2px 22px no-repeat, linear-gradient(var(--cream), var(--cream)) 0 20px / 18px 2px no-repeat; }
.cp-flag.flag-yellow { background-color: var(--lemon); background-image: linear-gradient(var(--lemon), var(--lemon)) 0 0 / 14px 12px no-repeat, linear-gradient(var(--soil-deep), var(--soil-deep)) 14px 0 / 2px 22px no-repeat, linear-gradient(var(--cream), var(--cream)) 0 20px / 18px 2px no-repeat; }
.cp-flag.flag-blue   { background-image: linear-gradient(var(--blue), var(--blue)) 0 0 / 14px 12px no-repeat, linear-gradient(var(--soil-deep), var(--soil-deep)) 14px 0 / 2px 22px no-repeat, linear-gradient(var(--cream), var(--cream)) 0 20px / 18px 2px no-repeat; }
.cp-flag.flag-orange { background-image: linear-gradient(var(--tangerine), var(--tangerine)) 0 0 / 14px 12px no-repeat, linear-gradient(var(--soil-deep), var(--soil-deep)) 14px 0 / 2px 22px no-repeat, linear-gradient(var(--cream), var(--cream)) 0 20px / 18px 2px no-repeat; }
@keyframes cpPulse {
    0%   { transform: translateY(0)    scale(1);   }
    100% { transform: translateY(-3px) scale(1.08); }
}
.cp-label {
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
    color: var(--mint);
    letter-spacing: 0.05em;
}

/* ===== Boot console (zone 1) =========================================== */
.boot-console {
    background: rgba(26,18,16,0.8);
    border: 2px solid var(--soil-deep);
    padding: 18px 22px;
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
    line-height: 2.2;
    color: var(--cream);
    box-shadow:
        inset 0 0 0 2px rgba(74,237,196,0.18),
        6px 6px 0 var(--soil-deep);
    max-width: 52ch;
    margin-bottom: 18px;
}
.boot-key { color: var(--mint); margin-right: 10px; }

/* ===== Time ticker ===================================================== */
.time-ticker {
    display: inline-flex; flex-direction: column; align-items: flex-end; gap: 8px;
    padding: 14px 18px;
    background: rgba(26,18,16,0.7);
    border: 2px solid var(--soil-deep);
    box-shadow: 4px 4px 0 var(--soil-deep);
}
.ticker-label {
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
    color: var(--tangerine);
    letter-spacing: 0.1em;
}
.ticker-bars { display: flex; gap: 3px; }
.ticker-bars span {
    width: 10px; height: 22px; background: var(--cartridge);
    display: inline-block;
}
.ticker-bars span.on { background: var(--mint); box-shadow: 0 0 0 1px var(--soil-deep); }
.ticker-date {
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
    color: var(--cream);
    letter-spacing: 0.05em;
}

/* ===== Compass rose (zone 2) =========================================== */
.compass-rose {
    width: 120px; height: 120px; position: relative;
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
    color: var(--cream);
    background:
        radial-gradient(circle at center, rgba(91,141,238,0.2) 0 30%, transparent 32%),
        radial-gradient(circle at center, var(--soil-deep) 0 46%, transparent 48%);
    border: 2px solid var(--soil-deep);
    box-shadow: 4px 4px 0 var(--soil-deep);
}
.compass-rose > div { position: absolute; }
.rose-n { top: 6px; left: 50%; transform: translateX(-50%); color: var(--pink); }
.rose-e { right: 6px; top: 50%; transform: translateY(-50%); color: var(--mint); }
.rose-s { bottom: 6px; left: 50%; transform: translateX(-50%); color: var(--lemon); }
.rose-w { left: 6px; top: 50%; transform: translateY(-50%); color: var(--blue); }
.rose-hub {
    top: 50%; left: 50%; width: 12px; height: 12px;
    background: var(--tangerine);
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 2px var(--soil-deep);
    animation: hubSpin 4s linear infinite;
}
@keyframes hubSpin {
    0%   { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===== World tiles (zone 2) ============================================ */
.world-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}
.tile {
    background: var(--cartridge);
    border: 3px solid var(--soil-deep);
    padding: 20px 18px 18px;
    box-shadow: 6px 6px 0 var(--soil-deep);
    transition: transform 0.3s var(--bounce), box-shadow 0.3s var(--bounce);
    position: relative;
    overflow: hidden;
}
.tile::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255,107,157,0.12) 0 40%, transparent 42%);
    pointer-events: none;
}
.tile:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--soil-deep);
}
.tile-sprite {
    width: 40px; height: 40px;
    margin-bottom: 12px;
    image-rendering: pixelated;
}
.sprite-hourglass {
    background:
        linear-gradient(var(--lemon), var(--lemon)) 4px 4px / 32px 4px no-repeat,
        linear-gradient(var(--lemon), var(--lemon)) 4px 32px / 32px 4px no-repeat,
        linear-gradient(var(--pink), var(--pink)) 12px 10px / 16px 6px no-repeat,
        linear-gradient(var(--pink), var(--pink)) 16px 18px / 8px 4px no-repeat,
        linear-gradient(var(--pink), var(--pink)) 12px 22px / 16px 8px no-repeat,
        linear-gradient(var(--soil-deep), var(--soil-deep));
    animation: flipSprite 6s ease-in-out infinite;
}
@keyframes flipSprite {
    0%, 45% { transform: rotate(0); }
    50%, 95% { transform: rotate(180deg); }
    100% { transform: rotate(360deg); }
}
.sprite-gear {
    background:
        radial-gradient(circle at center, var(--blue) 0 38%, transparent 40%),
        radial-gradient(circle at center, var(--soil-deep) 0 20%, transparent 22%),
        conic-gradient(from 0deg, var(--blue) 0 10deg, transparent 10deg 45deg, var(--blue) 45deg 55deg, transparent 55deg 90deg, var(--blue) 90deg 100deg, transparent 100deg 135deg, var(--blue) 135deg 145deg, transparent 145deg 180deg, var(--blue) 180deg 190deg, transparent 190deg 225deg, var(--blue) 225deg 235deg, transparent 235deg 270deg, var(--blue) 270deg 280deg, transparent 280deg 315deg, var(--blue) 315deg 325deg, transparent 325deg 360deg);
    border-radius: 0;
    animation: gearSpin 8s linear infinite;
}
@keyframes gearSpin { to { transform: rotate(360deg); } }
.sprite-calendar {
    background:
        linear-gradient(var(--cream), var(--cream)) 0 8px / 40px 32px no-repeat,
        linear-gradient(var(--tangerine), var(--tangerine)) 0 0 / 40px 10px no-repeat,
        linear-gradient(var(--soil-deep), var(--soil-deep)) 6px 14px / 6px 4px no-repeat,
        linear-gradient(var(--soil-deep), var(--soil-deep)) 18px 14px / 6px 4px no-repeat,
        linear-gradient(var(--soil-deep), var(--soil-deep)) 28px 20px / 4px 4px no-repeat,
        linear-gradient(var(--pink), var(--pink)) 12px 22px / 16px 8px no-repeat;
    animation: flutter 5s var(--bounce) infinite alternate;
}
@keyframes flutter {
    0%   { transform: rotate(-4deg); }
    100% { transform: rotate(6deg); }
}
.sprite-star {
    position: relative; width: 40px; height: 40px;
    background:
        linear-gradient(var(--lemon), var(--lemon)) 16px 0 / 8px 40px no-repeat,
        linear-gradient(var(--lemon), var(--lemon)) 0 16px / 40px 8px no-repeat,
        linear-gradient(var(--lemon), var(--lemon)) 8px 8px / 24px 24px no-repeat;
    animation: twinkle 2.2s ease-in-out infinite;
}

.tile-title {
    font-family: 'Silkscreen', monospace;
    font-weight: 400;
    font-size: clamp(1rem, 1.4vw, 1.25rem);
    color: var(--cream);
    letter-spacing: 0.06em;
    margin-bottom: 6px;
    text-shadow: 2px 2px 0 var(--soil-deep);
}
.tile-body {
    font-size: 0.95rem;
    color: rgba(240,230,211,0.82);
    margin-bottom: 14px;
}
.tile-tag {
    display: inline-block;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.65rem;
    color: var(--mint);
    background: var(--soil-deep);
    padding: 5px 8px;
    letter-spacing: 0.06em;
}

/* tile palette hints */
.tile-1 .tile-sprite,
.tile-1 { border-color: var(--soil-deep); }
.tile-2 .tile-tag { color: var(--blue); }
.tile-3 .tile-tag { color: var(--lemon); }
.tile-4 .tile-tag { color: var(--pink); }

/* ===== Inventory strip ================================================= */
.inventory-strip {
    display: inline-flex; gap: 4px;
    padding: 10px;
    background: rgba(26,18,16,0.8);
    border: 2px solid var(--soil-deep);
    box-shadow: 4px 4px 0 var(--soil-deep);
}
.inv-slot {
    width: 26px; height: 26px;
    background: var(--cartridge);
    border: 2px solid var(--soil-deep);
    display: inline-block;
}
.inv-slot.filled {
    background:
        radial-gradient(circle at 30% 30%, var(--pink) 0 30%, transparent 32%),
        var(--mint);
}

/* ===== Now playing cartridge (zone 3) ================================== */
.play-meter {
    display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
    min-width: 220px;
}
.meter-label {
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
    color: var(--tangerine);
}
.meter-bar {
    width: 220px; height: 16px;
    background: var(--soil-deep);
    border: 2px solid var(--soil-deep);
    position: relative;
    box-shadow: 4px 4px 0 var(--soil-deep);
}
.meter-fill {
    height: 100%;
    width: 32%;
    background: linear-gradient(90deg, var(--pink), var(--tangerine), var(--lemon));
    background-size: 200% 100%;
    animation: meterShimmer 6s linear infinite;
}
@keyframes meterShimmer {
    0% { background-position: 0% 0; } 100% { background-position: 200% 0; }
}
.meter-value {
    font-family: 'Press Start 2P', monospace;
    font-size: var(--type-ui);
    color: var(--mint);
}

.cartridge-showcase {
    display: flex; flex-direction: column; align-items: center; gap: 22px;
    max-width: 700px; margin: 0 auto;
}
.cart-body {
    width: min(420px, 80vw);
    aspect-ratio: 3 / 2;
    background:
        linear-gradient(180deg, #4a4540 0%, var(--cartridge) 50%, #2f2b27 100%);
    border: 3px solid var(--soil-deep);
    position: relative;
    box-shadow:
        inset 0 0 0 4px rgba(240,230,211,0.08),
        10px 10px 0 var(--soil-deep);
    padding: 30px 34px;
    display: flex; flex-direction: column; justify-content: space-between;
    transform: rotate(-2deg);
    transition: transform 0.5s var(--bounce);
}
.cart-body:hover { transform: rotate(1deg) translateY(-4px); }
.cart-label {
    background: var(--cream);
    border: 2px solid var(--soil-deep);
    padding: 14px 16px;
    color: var(--soil-deep);
    text-align: center;
}
.cart-series {
    display: block;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: var(--pink);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}
.cart-name {
    display: block;
    font-family: 'Silkscreen', monospace;
    font-size: clamp(1.1rem, 2.2vw, 1.8rem);
    line-height: 1.05;
    letter-spacing: 0.06em;
    color: var(--soil-deep);
}
.cart-edition {
    display: block;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.55rem;
    color: var(--blue);
    margin-top: 8px;
    letter-spacing: 0.08em;
}
.cart-pins {
    display: flex; gap: 6px; justify-content: center; margin-top: 10px;
}
.cart-pins span {
    width: 14px; height: 10px;
    background: linear-gradient(180deg, var(--lemon), var(--tangerine));
    border: 2px solid var(--soil-deep);
}
.cart-copy {
    font-size: var(--type-body);
    color: var(--cream);
    max-width: 54ch;
    text-align: center;
    font-weight: 400;
}

/* Stats row */
.stat-row { display: inline-flex; gap: 18px; }
.stat {
    display: flex; flex-direction: column; align-items: flex-end; gap: 2px;
    padding: 10px 14px;
    background: rgba(26,18,16,0.7);
    border: 2px solid var(--soil-deep);
    box-shadow: 4px 4px 0 var(--soil-deep);
}
.stat-n {
    font-family: 'Silkscreen', monospace;
    font-size: 1.6rem;
    color: var(--mint);
    letter-spacing: 0.04em;
}
.stat-k {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.55rem;
    color: var(--cream);
    letter-spacing: 0.1em;
}

/* ===== Library (zone 4) ================================================ */
.shelf-index {
    display: flex; flex-direction: column; gap: 8px;
    background: rgba(26,18,16,0.7);
    padding: 14px 18px;
    border: 2px solid var(--soil-deep);
    box-shadow: 4px 4px 0 var(--soil-deep);
}
.shelf-row { display: flex; gap: 14px; align-items: baseline; justify-content: flex-end; }
.shelf-k {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    color: var(--tangerine);
    min-width: 3ch;
    text-align: right;
}
.shelf-n {
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    color: var(--cream);
}

.library-list {
    list-style: none;
    display: flex; flex-direction: column; gap: 8px;
    background: rgba(26,18,16,0.5);
    padding: 18px;
    border: 2px solid var(--soil-deep);
    box-shadow: 6px 6px 0 var(--soil-deep);
}
.lib-item {
    display: grid;
    grid-template-columns: 44px 1fr auto auto;
    gap: 16px;
    align-items: center;
    padding: 12px 14px;
    background: var(--cartridge);
    border: 2px solid var(--soil-deep);
    transition: transform 0.25s var(--bounce), background 0.25s var(--bounce);
}
.lib-item:hover {
    transform: translateX(4px);
    background: #46413c;
}
.lib-num {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.7rem;
    color: var(--tangerine);
}
.lib-title {
    font-family: 'Silkscreen', monospace;
    font-size: clamp(0.9rem, 1.4vw, 1.1rem);
    color: var(--cream);
    letter-spacing: 0.05em;
}
.lib-tag {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.55rem;
    padding: 4px 8px;
    background: var(--soil-deep);
    letter-spacing: 0.08em;
}
.lib-tag.mint   { color: var(--mint); }
.lib-tag.pink   { color: var(--pink); }
.lib-tag.yellow { color: var(--lemon); }
.lib-tag.blue   { color: var(--blue); }
.lib-tag.orange { color: var(--tangerine); }
.lib-time {
    font-family: 'Press Start 2P', monospace;
    font-size: 0.65rem;
    color: var(--mint);
}

/* ===== Colophon (zone 5) =============================================== */
.zone-colophon .z-grid { place-items: center; }
.zone-colophon .z-wp-center {
    grid-column: 2 / span 14;
    grid-row: 3 / span 8;
    text-align: center;
    align-items: center;
}
.colophon-body {
    font-size: var(--type-body);
    max-width: 60ch;
    margin: 18px auto 0;
    color: var(--cream);
}
.colophon-credits {
    margin-top: 30px;
    display: flex; flex-direction: column; gap: 8px;
    font-family: 'Press Start 2P', monospace;
    font-size: 0.6rem;
    color: var(--tangerine);
    letter-spacing: 0.1em;
}

/* ===== Pixel dividers ================================================== */
.pixel-divider {
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 12px;
    background:
        linear-gradient(90deg,
            var(--pink) 0 12px, transparent 12px 24px,
            var(--mint) 24px 36px, transparent 36px 48px,
            var(--lemon) 48px 60px, transparent 60px 72px,
            var(--blue) 72px 84px, transparent 84px 96px,
            var(--tangerine) 96px 108px, transparent 108px 120px
        );
    background-size: 120px 12px;
    background-repeat: repeat-x;
    image-rendering: pixelated;
    opacity: 0.6;
}

/* ===== Compass-nav (fixed) ============================================= */
.compass-nav {
    position: fixed; bottom: 30px; right: 30px;
    width: 110px; height: 110px;
    z-index: 50;
    border-radius: 0;
}
.compass-nav::before {
    content: ''; position: absolute; inset: 10px;
    background:
        radial-gradient(circle at center, rgba(26,18,16,0.92) 0 55%, transparent 57%);
    border: 2px solid var(--soil-deep);
    box-shadow: 4px 4px 0 var(--soil-deep);
}
.compass-btn {
    position: absolute;
    width: 32px; height: 32px;
    background: var(--soil-deep);
    border: 2px solid var(--cartridge);
    color: var(--cream);
    font-family: 'Press Start 2P', monospace;
    font-size: 0.65rem;
    cursor: pointer;
    display: grid; place-items: center;
    transition: background 0.2s var(--bounce), transform 0.2s var(--bounce), color 0.2s;
}
.compass-btn:nth-child(1) { top: 4px;    left: 50%; transform: translateX(-50%); color: var(--pink); }
.compass-btn:nth-child(2) { right: 4px;  top: 50%; transform: translateY(-50%);  color: var(--mint); }
.compass-btn:nth-child(3) { bottom: 4px; left: 50%; transform: translateX(-50%); color: var(--lemon); }
.compass-btn:nth-child(4) { left: 4px;   top: 50%; transform: translateY(-50%);  color: var(--blue); }
.compass-btn:hover { background: var(--tangerine); color: var(--soil-deep); }
.compass-dot {
    position: absolute; top: 50%; left: 50%;
    width: 10px; height: 10px; background: var(--tangerine);
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 2px var(--soil-deep);
    animation: hubSpin 6s linear infinite;
    pointer-events: none;
}

/* ===== XP scroll bar =================================================== */
.xp-bar {
    position: fixed; left: 0; right: 0; bottom: 0;
    height: var(--xp-h);
    background: rgba(26,18,16,0.85);
    border-top: 2px solid var(--soil-deep);
    z-index: 45;
}
.xp-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--pink) 0%, var(--pink) 60%, var(--tangerine) 100%);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
    transition: width 0.12s linear;
}

/* ===== Screen-wipe veil ================================================ */
.wipe-veil {
    position: fixed; inset: 0;
    z-index: 60; pointer-events: none;
    opacity: 0;
}
.wipe-veil.active { opacity: 1; }

.wipe-veil.iris {
    background: var(--soil-deep);
    clip-path: circle(100% at 50% 50%);
    animation: irisWipe 650ms var(--ease-wipe) forwards;
}
@keyframes irisWipe {
    0%   { clip-path: circle(0% at 50% 50%); opacity: 0.95; }
    40%  { clip-path: circle(75% at 50% 50%); opacity: 0.7; }
    100% { clip-path: circle(120% at 50% 50%); opacity: 0; }
}

.wipe-veil.blinds {
    background:
        repeating-linear-gradient(0deg,
            var(--soil-deep) 0 calc(100vh / 8),
            var(--cartridge) calc(100vh / 8) calc(100vh / 4));
    animation: blindsWipe 600ms var(--ease-wipe) forwards;
}
@keyframes blindsWipe {
    0%   { clip-path: inset(0 100% 0 0); opacity: 1; }
    50%  { clip-path: inset(0 0 0 0); opacity: 0.9; }
    100% { clip-path: inset(0 0 0 100%); opacity: 0; }
}

.wipe-veil.diagonal {
    background: linear-gradient(135deg, var(--pink) 0%, var(--tangerine) 40%, var(--soil-deep) 100%);
    animation: diagonalWipe 600ms var(--ease-wipe) forwards;
}
@keyframes diagonalWipe {
    0%   { clip-path: polygon(0 0, 0 0, 0 0, 0 0); opacity: 1; }
    50%  { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); opacity: 0.9; }
    100% { clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%); opacity: 0; }
}

.wipe-veil.pixel {
    background:
        conic-gradient(from 0deg at 50% 50%,
            var(--pink), var(--mint), var(--lemon), var(--blue), var(--tangerine), var(--pink));
    background-size: 80px 80px;
    background-repeat: repeat;
    image-rendering: pixelated;
    animation: pixelWipe 700ms steps(6, end) forwards;
}
@keyframes pixelWipe {
    0%   { opacity: 0.9; filter: saturate(1.4) contrast(1.2); transform: scale(1); }
    50%  { opacity: 0.75; }
    100% { opacity: 0; transform: scale(1.05); }
}

/* ===== Responsive ====================================================== */
@media (max-width: 900px) {
    .z-wp-tl, .z-wp-tr, .z-wp-bl, .z-wp-br, .z-wp-center, .z-wp-center.wide {
        grid-column: 1 / -1;
        grid-row: auto;
        align-items: flex-start;
        text-align: left;
    }
    .z-wp-tr .time-ticker,
    .z-wp-tr .play-meter,
    .z-wp-tr .compass-rose,
    .z-wp-tr .shelf-index {
        align-self: flex-start;
    }
    .z-wp-br { align-items: flex-start; }
    .z-grid { grid-template-rows: auto; }
    .cart-body { transform: none; }
    .compass-nav { width: 86px; height: 86px; bottom: 18px; right: 18px; }
}

@media (max-width: 540px) {
    :root { --hud-h: 54px; }
    .pixel-title { text-shadow: 3px 3px 0 var(--soil-deep); }
    .lib-item { grid-template-columns: 32px 1fr auto; }
    .lib-time { display: none; }
    .wipe-veil.iris,
    .wipe-veil.blinds,
    .wipe-veil.diagonal,
    .wipe-veil.pixel {
        background: var(--soil-deep);
        animation: fadeWipe 450ms var(--ease-wipe) forwards;
        clip-path: none;
    }
    @keyframes fadeWipe {
        0%   { opacity: 0.9; }
        100% { opacity: 0; }
    }
}