/* =====================================================================
   VIDEOLAND 4000 — SAVE THE STREAM · retro UI chrome
   See docs/ARCHITECTURE.md §5 for the DOM structure and palette contract.
   Sizing rule: 1 logical pixel (of the 320×180 stage) = 0.3125cqw.
   ===================================================================== */

@font-face {
    font-family: "Press Start 2P";
    src: url("../assets/fonts/PressStart2P-Regular.ttf") format("truetype");
    font-weight: 400;
    font-style: normal;
    font-display: block;
}

/* ---------- 1. Tokens ------------------------------------------------ */

:root {
    --vl-bg: #0b0613;
    --vl-night: #1a0f2e;
    --vl-purple: #3b1f6b;
    --vl-violet: #6a2fd1;
    --vl-magenta: #e6007e;
    --vl-pink: #ff4fa3;
    --vl-white: #f6f2ff;
    --vl-light: #c9c2d6;
    --vl-grey: #6e6684;
    --vl-dark: #2e2940;
    --vl-cyan: #35d6ff;
    --vl-green: #3dff8a;
    --vl-yellow: #ffd43b;
    --vl-orange: #ff8a3b;
    --vl-red: #ff3b5c;

    /* derived tokens (not part of the §5 contract, UI-only) */
    --vl-muted: #a79fbd;              /* ≥ 4.5:1 on --vl-bg, for footnotes */
    --vl-panel: rgba(11, 6, 19, 0.80); /* semi-transparent dark panel */
    --vl-panel-solid: rgba(11, 6, 19, 0.94);
    --font-pixel: "Press Start 2P", "Courier New", Courier, monospace;
    color-scheme: dark;
}

/* ---------- 2. Base ------------------------------------------------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: var(--vl-bg);
    color: var(--vl-white);
    font-family: var(--font-pixel);
    -webkit-font-smoothing: none;
    -moz-osx-font-smoothing: grayscale;
    overscroll-behavior: none;
    -webkit-tap-highlight-color: transparent;
}

#app {
    display: contents;
}

img,
canvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

button {
    font-family: inherit;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* Loading screen rendered by index.html before Blazor boots. */
#app .loading-screen {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    background: radial-gradient(ellipse at center, var(--vl-night) 0%, var(--vl-bg) 70%);
    text-align: center;
    padding: 1rem;
}

#app .loading-title {
    margin: 0;
    font-size: clamp(0.9rem, 3.5vw, 1.6rem);
    color: var(--vl-pink);
    text-shadow: 0 0 12px rgba(230, 0, 126, 0.65), 2px 2px 0 var(--vl-purple);
    letter-spacing: 0.08em;
}

#app .loading-text {
    margin: 0;
    font-size: clamp(0.6rem, 2vw, 0.9rem);
    color: var(--vl-light);
}

.blink {
    animation: vl-blink 1s steps(1, end) infinite;
}

/* Classic arcade blink that never hides the text completely (keeps prompts legible). */
@keyframes vl-blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0.4; }
}

#blazor-error-ui {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    padding: 0.8rem 1.2rem 0.8rem 1rem;
    background: var(--vl-night);
    color: var(--vl-white);
    border-top: 3px solid var(--vl-red);
    font-size: 0.65rem;
    line-height: 1.8;
    box-shadow: 0 -4px 0 rgba(0, 0, 0, 0.5);
}

#blazor-error-ui .reload,
#blazor-error-ui .dismiss {
    color: var(--vl-cyan);
    margin-left: 1rem;
    cursor: pointer;
    text-decoration: underline;
}

.not-found {
    margin: 2rem;
    padding: 1.5rem;
    font-size: 0.75rem;
    line-height: 2;
    color: var(--vl-light);
    border: 2px solid var(--vl-violet);
    text-align: center;
}

.not-found a {
    color: var(--vl-cyan);
}

/* ---------- 3. Page & stage ---------------------------------------- */

.page {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--vl-bg);
}

.stage {
    position: relative;
    width: min(100vw, calc(100vh * 16 / 9));
    height: min(100vh, calc(100vw * 9 / 16));
    width: min(100dvw, calc(100dvh * 16 / 9));
    height: min(100dvh, calc(100dvw * 9 / 16));
    container-type: size;
    container-name: stage;
    overflow: hidden;
    background: var(--vl-bg);
    /* 320 logical px == 100cqw */
    --px: 0.3125cqw;
    --fs-xs: calc(var(--px) * 4);
    --fs-sm: calc(var(--px) * 5);
    --fs-md: calc(var(--px) * 6);
    --fs-lg: calc(var(--px) * 8);
    --fs-xl: calc(var(--px) * 12);
    --fs-2xl: calc(var(--px) * 18);
    font-size: var(--fs-md);
    line-height: 1;
}

#phaser {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--vl-bg);
}

#phaser canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    image-rendering: pixelated;
}

.overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    font-family: var(--font-pixel);
    color: var(--vl-white);
}

.overlay-hud { z-index: 10; }
.overlay-toasts { z-index: 20; }
.overlay-screen { z-index: 30; }
.overlay-touch { z-index: 40; }
.crt-overlay { z-index: 50; }

/* ---------- 4. Typography helpers ---------------------------------- */

.text-xs { font-size: var(--fs-xs); }
.text-sm { font-size: var(--fs-sm); }
.text-md { font-size: var(--fs-md); }
.text-lg { font-size: var(--fs-lg); }

.c-pink { color: var(--vl-pink); }
.c-cyan { color: var(--vl-cyan); }
.c-green { color: var(--vl-green); }
.c-yellow { color: var(--vl-yellow); }
.c-orange { color: var(--vl-orange); }
.c-red { color: var(--vl-red); }
.c-light { color: var(--vl-light); }
.c-muted { color: var(--vl-muted); }

.glow-magenta {
    color: var(--vl-pink);
    text-shadow:
        0 0 calc(var(--px) * 2) var(--vl-magenta),
        0 0 calc(var(--px) * 6) rgba(230, 0, 126, 0.75),
        calc(var(--px) * 1) calc(var(--px) * 1) 0 var(--vl-purple);
}

/* ---------- 5. Buttons --------------------------------------------- */

.btn {
    pointer-events: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6em;
    min-height: calc(var(--px) * 12);
    padding: calc(var(--px) * 2.5) calc(var(--px) * 4);
    font-family: var(--font-pixel);
    font-size: var(--fs-sm);
    line-height: 1;
    text-transform: uppercase;
    color: var(--vl-white);
    background: var(--vl-purple);
    border: calc(var(--px) * 1) solid var(--vl-violet);
    border-radius: 0;
    box-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 var(--vl-bg), calc(var(--px) * 2) calc(var(--px) * 2) 0 var(--vl-violet);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    transition: transform 60ms steps(2, end);
}

.btn:hover {
    background: var(--vl-violet);
    color: var(--vl-white);
}

.btn:active {
    transform: translate(calc(var(--px) * 1), calc(var(--px) * 1));
    box-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 var(--vl-violet);
}

.btn:focus-visible,
button:focus-visible,
a:focus-visible,
[tabindex]:not(.panel):focus-visible {
    outline: calc(var(--px) * 1) solid var(--vl-cyan);
    outline-offset: calc(var(--px) * 1);
    box-shadow: 0 0 0 calc(var(--px) * 3) rgba(53, 214, 255, 0.35);
}

/* screens receive programmatic focus (dialog pattern); no ring on the container */
.panel:focus,
.panel:focus-visible {
    outline: none;
}

.btn--primary {
    color: var(--vl-pink);
    background: var(--vl-bg);
    border-color: var(--vl-pink);
    box-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 var(--vl-bg), calc(var(--px) * 2) calc(var(--px) * 2) 0 var(--vl-magenta);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    background: #b8005f; /* darker magenta: white text stays above 4.5:1 */
    color: var(--vl-white);
}

.btn--primary.blink:hover,
.btn--primary.blink:focus-visible {
    animation: none;
}

.btn--small {
    min-height: calc(var(--px) * 10);
    padding: calc(var(--px) * 2) calc(var(--px) * 3);
    font-size: var(--fs-xs);
}

.btn--danger {
    border-color: var(--vl-red);
}

.btn[aria-pressed="true"] {
    color: var(--vl-green);
}

.btn[aria-pressed="false"] {
    color: var(--vl-light);
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: calc(var(--px) * 3) calc(var(--px) * 4);
}

.btn-stack {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: calc(var(--px) * 3);
    width: min(100%, calc(var(--px) * 150));
    margin-inline: auto;
}

/* ---------- 6. Screens (boot / title / intro / pause / over / win) -- */

.overlay-screen {
    display: flex;
    align-items: center;
    justify-content: center;
}

.screen {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--px) * 6) calc(var(--px) * 8);
    animation: vl-screen-in 320ms steps(8, end) both;
}

@keyframes vl-screen-in {
    from {
        opacity: 0.2;
        clip-path: inset(0 0 100% 0);
    }
    to {
        opacity: 1;
        clip-path: inset(0 0 0 0);
    }
}

.panel {
    pointer-events: auto;
    position: relative;
    width: min(100%, calc(var(--px) * 272));
    max-height: 100%;
    overflow: auto;
    padding: calc(var(--px) * 6) calc(var(--px) * 8);
    background: var(--vl-panel);
    border: calc(var(--px) * 1) solid var(--vl-violet);
    box-shadow:
        inset 0 0 0 calc(var(--px) * 1) var(--vl-bg),
        calc(var(--px) * 2) calc(var(--px) * 2) 0 rgba(0, 0, 0, 0.6),
        0 0 calc(var(--px) * 10) rgba(106, 47, 209, 0.35);
    text-align: center;
    scrollbar-width: thin;
}

.panel--solid {
    background: var(--vl-panel-solid);
}

.panel--wide {
    width: min(100%, calc(var(--px) * 296));
}

.panel--narrow {
    width: min(100%, calc(var(--px) * 200));
}

/* zero specificity so the per-screen spacing classes below win */
.panel :where(h1, h2, p) {
    margin: 0;
}

.panel-title {
    font-size: var(--fs-lg);
    line-height: 1.25;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.panel-subtitle {
    margin-top: calc(var(--px) * 2);
    font-size: var(--fs-sm);
    line-height: 1.5;
    color: var(--vl-light);
}

.panel-rule {
    width: 100%;
    height: calc(var(--px) * 1);
    margin: calc(var(--px) * 4) 0;
    background: repeating-linear-gradient(90deg, var(--vl-violet) 0 calc(var(--px) * 3), transparent calc(var(--px) * 3) calc(var(--px) * 5));
}

.panel-lines {
    display: flex;
    flex-direction: column;
    gap: calc(var(--px) * 2.5);
    font-size: var(--fs-sm);
    line-height: 1.5;
    color: var(--vl-light);
}

.panel-footnote {
    margin-top: calc(var(--px) * 4);
    font-size: var(--fs-xs);
    line-height: 1.6;
    color: var(--vl-muted);
}

/* -- boot -- */

.boot {
    pointer-events: auto;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: calc(var(--px) * 12) calc(var(--px) * 16);
    background: var(--vl-bg);
    cursor: pointer;
}

.boot-text {
    margin: 0;
    font-family: var(--font-pixel);
    font-size: var(--fs-md);
    line-height: 2;
    color: var(--vl-light);
    text-align: left;
}

.boot-line {
    display: block;
    overflow: hidden;
    white-space: pre;
    animation: vl-typewriter 180ms steps(28, end) both;
}

.boot:focus-visible {
    outline: none;
    box-shadow: none;
}

@keyframes vl-typewriter {
    from { clip-path: inset(0 100% 0 0); }
    to { clip-path: inset(0 0 0 0); }
}

.boot-line--header { color: var(--vl-pink); }
.boot-line--rule { color: var(--vl-violet); }
.boot-line--warn { color: var(--vl-yellow); }
.boot-line--start { color: var(--vl-white); }
.boot-line .ok { color: var(--vl-green); }

.boot-cursor {
    display: inline-block;
    width: 0.9em;
    height: 1em;
    vertical-align: -0.15em;
    background: var(--vl-pink);
    animation: vl-blink 0.8s steps(1, end) infinite;
}

.boot-hint {
    position: absolute;
    right: calc(var(--px) * 8);
    bottom: calc(var(--px) * 6);
    margin: 0;
    font-size: var(--fs-xs);
    color: var(--vl-muted);
}

/* -- title -- */

.title {
    padding-top: calc(var(--px) * 8);
    padding-bottom: calc(var(--px) * 5);
}

.title-start:hover .blink,
.title-start:focus-visible .blink {
    animation: none;
}

.title-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--px) * 3);
    margin: 0;
}

.title-logo-main {
    font-size: var(--fs-2xl);
    line-height: 1;
    white-space: nowrap;
}

.title-logo-sub {
    font-size: var(--fs-lg);
    line-height: 1;
    color: var(--vl-cyan);
    letter-spacing: 0.12em;
    text-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 var(--vl-purple);
}

.title-tagline {
    display: flex;
    flex-direction: column;
    gap: calc(var(--px) * 1.5);
    margin-top: calc(var(--px) * 4);
    font-size: var(--fs-xs);
    line-height: 1.3;
    color: var(--vl-light);
}

.title-tagline span:last-child {
    color: var(--vl-yellow);
}

.title-start {
    margin-top: calc(var(--px) * 5);
    font-size: var(--fs-md);
    padding-inline: calc(var(--px) * 6);
}

.title-highscore {
    margin-top: calc(var(--px) * 4);
    font-size: var(--fs-sm);
    color: var(--vl-yellow);
}

.controls {
    width: auto;
    margin: calc(var(--px) * 4) auto 0;
    border-collapse: collapse;
    font-size: var(--fs-xs);
    line-height: 1.3;
    color: var(--vl-light);
    text-align: left;
}

.controls caption {
    margin-bottom: calc(var(--px) * 2);
    font-size: var(--fs-xs);
    color: var(--vl-muted);
    text-align: center;
}

.controls td {
    padding: calc(var(--px) * 0.75) calc(var(--px) * 1);
    vertical-align: top;
}

.controls .key {
    color: var(--vl-cyan);
    white-space: nowrap;
}

.controls .action {
    color: var(--vl-light);
    padding-right: calc(var(--px) * 4);
}

.title-toggles {
    margin-top: calc(var(--px) * 4);
}

.title-credit {
    margin-top: calc(var(--px) * 4);
    font-size: var(--fs-xs);
    color: var(--vl-muted);
}

/* -- level intro -- */

.intro-level {
    font-size: var(--fs-xs);
    letter-spacing: 0.2em;
    color: var(--vl-pink);
}

.intro-name {
    margin-top: calc(var(--px) * 3);
    font-size: var(--fs-lg);
    line-height: 1.25;
    color: var(--vl-white);
    text-transform: uppercase;
}

.intro-label {
    margin-top: calc(var(--px) * 5);
    font-size: var(--fs-xs);
    letter-spacing: 0.15em;
    color: var(--vl-cyan);
}

.intro-objective {
    margin-top: calc(var(--px) * 2);
}

.intro-actions {
    margin-top: calc(var(--px) * 6);
}

/* -- pause -- */

.pause .panel-title {
    color: var(--vl-cyan);
    text-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 var(--vl-purple);
}

.pause .panel-subtitle {
    color: var(--vl-pink);
    letter-spacing: 0.1em;
}

.pause .btn-stack {
    margin-top: calc(var(--px) * 5);
}

/* -- game over -- */

.gameover .panel-title {
    color: var(--vl-red);
    text-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 #4a0a16, 0 0 calc(var(--px) * 6) rgba(255, 59, 92, 0.45);
}

.panel.gameover {
    border-color: var(--vl-red);
    box-shadow:
        inset 0 0 0 calc(var(--px) * 1) var(--vl-bg),
        calc(var(--px) * 2) calc(var(--px) * 2) 0 rgba(0, 0, 0, 0.6),
        0 0 calc(var(--px) * 10) rgba(255, 59, 92, 0.25);
}

.gameover-score {
    margin-top: calc(var(--px) * 4);
    font-size: var(--fs-md);
    color: var(--vl-yellow);
}

.gameover .btn-row {
    margin-top: calc(var(--px) * 5);
}

/* -- victory -- */

.panel.victory {
    border-color: var(--vl-green);
    box-shadow:
        inset 0 0 0 calc(var(--px) * 1) var(--vl-bg),
        calc(var(--px) * 2) calc(var(--px) * 2) 0 rgba(0, 0, 0, 0.6),
        0 0 calc(var(--px) * 10) rgba(61, 255, 138, 0.25);
}

.victory .panel-title {
    color: var(--vl-green);
    text-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 #0b4a25;
}

.victory-lines {
    margin-top: calc(var(--px) * 4);
}

.victory-lines .line {
    opacity: 0;
    animation: vl-rise-in 260ms steps(4, end) forwards;
    animation-delay: calc(var(--i, 0) * 240ms);
}

@keyframes vl-rise-in {
    from {
        opacity: 0;
        transform: translateY(calc(var(--px) * 3));
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.victory-lines .line--shout {
    margin-top: calc(var(--px) * 2);
    color: var(--vl-cyan);
}

.victory-lines .line--weekend {
    color: var(--vl-yellow);
}

.victory-lines--instant .line {
    opacity: 1;
    animation: none;
}

.victory-scores {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: calc(var(--px) * 2) calc(var(--px) * 6);
    margin-top: calc(var(--px) * 4);
    font-size: var(--fs-sm);
    color: var(--vl-white);
}

.badge-new {
    display: inline-block;
    padding: calc(var(--px) * 1) calc(var(--px) * 2);
    font-size: var(--fs-xs);
    color: var(--vl-bg);
    background: var(--vl-yellow);
    box-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 var(--vl-orange);
    animation: vl-blink 1s steps(1, end) infinite;
}

.victory .btn-row {
    margin-top: calc(var(--px) * 5);
}

/* ---------- 7. HUD -------------------------------------------------- */

.hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: calc(var(--px) * 1);
    padding: calc(var(--px) * 1.5) calc(var(--px) * 3) calc(var(--px) * 1.5);
    font-size: var(--fs-xs);
    line-height: 1;
    background: linear-gradient(180deg, rgba(11, 6, 19, 0.9) 0%, rgba(11, 6, 19, 0.74) 100%);
    border-bottom: calc(var(--px) * 0.5) solid var(--vl-violet);
    text-shadow: calc(var(--px) * 0.5) calc(var(--px) * 0.5) 0 var(--vl-bg);
    white-space: nowrap;
    overflow: hidden;
}

.hud--hidden {
    display: none;
}

.hud-row {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: calc(var(--px) * 3);
    min-height: calc(var(--px) * 4.5);
    overflow: hidden;
}

.hud-row > * {
    flex: 0 0 auto;
}

.hud-row > .hud-spacer {
    flex: 1 1 auto;
}

.hud-row > .hud-status,
.hud-row > .hud-objective,
.hud-row > .hud-boss-diag {
    flex: 0 1 auto;
    min-width: 0;
}

.hud-brand {
    color: var(--vl-pink);
}

.hud-item {
    color: var(--vl-white);
}

.hud-item--hi {
    color: var(--vl-yellow);
}

.hud-spacer {
    flex: 1 1 auto;
    min-width: calc(var(--px) * 2);
}

.hud-status {
    color: var(--vl-cyan);
    overflow: hidden;
    text-overflow: ellipsis;
}

.hud-objective {
    color: var(--vl-light);
    overflow: hidden;
    text-overflow: ellipsis;
}

.hud-objective .label {
    color: var(--vl-muted);
}

.hearts {
    display: inline-flex;
    gap: calc(var(--px) * 1);
    vertical-align: baseline;
}

.heart {
    display: inline-block;
    line-height: 1;
}

.heart--full {
    color: var(--vl-pink);
}

.heart--empty {
    color: transparent;
    -webkit-text-stroke: calc(var(--px) * 0.5) var(--vl-light);
    text-shadow: none;
}

@supports not (-webkit-text-stroke: 1px red) {
    .heart--empty {
        color: var(--vl-grey);
        opacity: 0.6;
    }
}

.hud-badge {
    display: inline-block;
    padding: calc(var(--px) * 0.75) calc(var(--px) * 1.25);
    font-size: calc(var(--px) * 3.5);
    line-height: 1;
    color: var(--vl-bg);
    text-shadow: none;
    background: var(--vl-cyan);
    box-shadow: calc(var(--px) * 0.5) calc(var(--px) * 0.5) 0 var(--vl-bg);
}

.hud-badge--breaker {
    background: var(--vl-yellow);
}

.hud-badge--rollback {
    background: var(--vl-orange);
}

.hud-badge--phase {
    background: var(--vl-pink);
}

.hud-boss {
    display: flex;
    align-items: center;
    gap: calc(var(--px) * 3);
    font-size: var(--fs-xs);
}

.hud-boss-name {
    color: var(--vl-red);
}

.boss-bar {
    display: inline-flex;
    gap: calc(var(--px) * 0.5);
    padding: calc(var(--px) * 0.5);
    border: calc(var(--px) * 0.5) solid var(--vl-light);
    background: var(--vl-bg);
}

.boss-bar .seg {
    display: block;
    width: calc(var(--px) * 5);
    height: calc(var(--px) * 3);
    background: var(--vl-dark);
}

.boss-bar .seg.on {
    background: var(--vl-red);
    box-shadow: inset 0 calc(var(--px) * 1) 0 var(--vl-pink);
}

.hud-boss-diag {
    color: var(--vl-orange);
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- 8. Toasts ----------------------------------------------- */

.toasts {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.toast-stack {
    position: absolute;
    left: 50%;
    bottom: calc(var(--px) * 8);
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: calc(var(--px) * 2);
    transform: translateX(-50%);
    max-width: calc(100% - var(--px) * 16);
}

.toast {
    max-width: 100%;
    padding: calc(var(--px) * 2) calc(var(--px) * 3);
    font-size: var(--fs-xs);
    line-height: 1.6;
    color: var(--vl-white);
    background: var(--vl-panel-solid);
    border: calc(var(--px) * 0.5) solid var(--vl-violet);
    box-shadow: calc(var(--px) * 1) calc(var(--px) * 1) 0 var(--vl-bg);
    text-align: center;
    animation: vl-toast-in 180ms steps(3, end) both;
}

@keyframes vl-toast-in {
    from {
        opacity: 0;
        transform: translateY(calc(var(--px) * 4));
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.toast p {
    margin: 0;
}

.banner-slot {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(100% - var(--px) * 24, calc(var(--px) * 240));
}

.banner {
    padding: calc(var(--px) * 4) calc(var(--px) * 6);
    font-size: var(--fs-sm);
    line-height: 1.7;
    color: var(--vl-green);
    background: var(--vl-panel-solid);
    border: calc(var(--px) * 1) solid var(--vl-green);
    box-shadow: calc(var(--px) * 2) calc(var(--px) * 2) 0 rgba(0, 0, 0, 0.6);
    text-align: left;
    white-space: pre-wrap;
    animation: vl-screen-in 220ms steps(5, end) both;
}

.banner p {
    margin: 0;
}

.banner p::before {
    content: "> ";
    color: var(--vl-light);
}

.banner--alert {
    color: var(--vl-white);
    border-color: var(--vl-red);
    background: rgba(74, 10, 22, 0.94);
    text-align: center;
    animation: vl-screen-in 220ms steps(5, end) both, vl-alert-flash 500ms steps(1, end) 2;
}

.banner--alert p::before {
    content: "! ";
    color: var(--vl-red);
}

@keyframes vl-alert-flash {
    0%, 49% { background: rgba(255, 59, 92, 0.85); color: var(--vl-bg); }
    50%, 100% { background: rgba(74, 10, 22, 0.94); color: var(--vl-white); }
}

/* ---------- 9. Touch controls --------------------------------------- */

.touch {
    display: none;
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.touch-cluster {
    position: absolute;
    bottom: calc(var(--px) * 6);
    display: flex;
    gap: calc(var(--px) * 3);
    align-items: flex-end;
}

.touch-cluster--left { left: calc(var(--px) * 6); }
.touch-cluster--right { right: calc(var(--px) * 6); }

.touch-btn {
    pointer-events: auto;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    width: max(48px, calc(var(--px) * 24));
    height: max(48px, calc(var(--px) * 24));
    padding: 0;
    font-family: var(--font-pixel);
    font-size: max(10px, var(--fs-xs));
    line-height: 1;
    color: var(--vl-white);
    background: rgba(59, 31, 107, 0.55);
    border: 2px solid rgba(201, 194, 214, 0.7);
    border-radius: 0;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    cursor: pointer;
}

.touch-btn .glyph {
    font-size: max(16px, var(--fs-md));
}

.touch-btn:active,
.touch-btn.is-down {
    background: rgba(230, 0, 126, 0.75);
    border-color: var(--vl-white);
}

.touch-btn--jump {
    width: max(56px, calc(var(--px) * 30));
    height: max(56px, calc(var(--px) * 30));
}

.touch-pause {
    pointer-events: auto;
    position: absolute;
    top: calc(var(--px) * 21);
    right: calc(var(--px) * 4);
    min-width: 44px;
    min-height: 44px;
    padding: 0 0.6em;
    font-family: var(--font-pixel);
    font-size: max(10px, var(--fs-xs));
    color: var(--vl-white);
    background: rgba(11, 6, 19, 0.7);
    border: 2px solid rgba(201, 194, 214, 0.7);
    border-radius: 0;
    touch-action: manipulation;
    cursor: pointer;
}

@media (pointer: coarse) {
    .touch {
        display: block;
    }

    /* keep toasts clear of the thumb clusters */
    .toast-stack {
        bottom: calc(var(--px) * 40);
        max-width: calc(100% - var(--px) * 140);
    }

    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    .btn--small {
        min-height: 44px;
    }

    .small-screen-notice .btn {
        min-height: 44px;
    }
}

/* ---------- 10. CRT overlay ----------------------------------------- */

.crt-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            180deg,
            rgba(0, 0, 0, 0) 0,
            rgba(0, 0, 0, 0) 2px,
            rgba(0, 0, 0, 0.18) 2px,
            rgba(0, 0, 0, 0.18) 3px
        ),
        radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0.45) 100%);
    mix-blend-mode: multiply;
}

.crt-overlay::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(230, 0, 126, 0.03);
    animation: vl-flicker 4s steps(1, end) infinite;
}

@keyframes vl-flicker {
    0%, 97%, 100% { opacity: 0.6; }
    98% { opacity: 1; }
    99% { opacity: 0.3; }
}

.crt-overlay--off,
.page:not(.crt) .crt-overlay {
    display: none;
}

.page.crt .crt-overlay--off {
    display: none;
}

.page.reduced-motion .crt-overlay::after {
    animation: none;
}

/* ---------- 11. Small screen notice --------------------------------- */

.small-screen-notice {
    display: none;
    position: fixed;
    left: 50%;
    bottom: 1rem;
    z-index: 900;
    width: min(92vw, 28rem);
    transform: translateX(-50%);
    padding: 0.75rem 0.9rem;
    font-size: 0.55rem;
    line-height: 1.8;
    color: var(--vl-white);
    background: var(--vl-night);
    border: 2px solid var(--vl-pink);
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.7);
    text-align: center;
}

.small-screen-notice p {
    margin: 0 0 0.6rem;
}

.small-screen-notice .btn {
    font-size: 0.55rem;
    min-height: 44px;
    padding: 0.6rem 1rem;
    border-width: 2px;
    box-shadow: 2px 2px 0 var(--vl-violet);
}

@media (max-width: 479px), ((orientation: landscape) and (max-height: 269px)) {
    .small-screen-notice:not(.is-dismissed) {
        display: block;
    }
}

/* ---------- 12. Dev preview page ------------------------------------ */

.preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
}

.preview-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 2.5rem;
    margin: 0;
    padding: 0.4rem 1rem;
    font-size: 0.55rem;
    line-height: 1.6;
    color: var(--vl-bg);
    background: var(--vl-yellow);
    text-align: center;
}

/* same sizing rule as the game, minus the dev banner; the toolbar scrolls below */
.preview .stage {
    width: min(100vw, calc((100vh - 2.5rem) * 16 / 9));
    height: min(calc(100vh - 2.5rem), calc(100vw * 9 / 16));
    outline: 1px dashed var(--vl-grey);
    outline-offset: -1px;
}

.phaser-placeholder {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0) 78%, rgba(59, 31, 107, 0.9) 78%, rgba(59, 31, 107, 0.9) 100%),
        repeating-linear-gradient(90deg, rgba(106, 47, 209, 0.12) 0 1px, transparent 1px calc(var(--px) * 16)),
        repeating-linear-gradient(180deg, rgba(106, 47, 209, 0.12) 0 1px, transparent 1px calc(var(--px) * 16)),
        radial-gradient(ellipse at 50% 30%, var(--vl-night) 0%, var(--vl-bg) 75%);
}

.phaser-placeholder span {
    margin-bottom: calc(var(--px) * 8);
    font-size: var(--fs-xs);
    color: var(--vl-muted);
}

.preview-toolbar {
    width: 100%;
    padding: 0.75rem 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    font-size: 0.55rem;
    color: var(--vl-light);
    background: var(--vl-night);
    border-top: 2px solid var(--vl-violet);
}

.preview-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.preview-group-label {
    min-width: 6rem;
    color: var(--vl-muted);
}

.preview-toolbar .btn {
    min-height: 32px;
    padding: 0.4rem 0.6rem;
    font-size: 0.5rem;
    border-width: 2px;
    box-shadow: 2px 2px 0 var(--vl-violet);
}

.preview-toolbar .btn:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 var(--vl-violet);
}

.preview-toolbar .btn.is-active {
    background: var(--vl-magenta);
    border-color: var(--vl-pink);
}

.preview-status {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--vl-cyan);
    line-height: 1.6;
}

.preview-status b {
    color: var(--vl-white);
    font-weight: normal;
}

/* ---------- 13. Reduced motion -------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        animation-delay: 0ms !important;
        transition-duration: 0.001ms !important;
    }

    .victory-lines .line {
        opacity: 1;
    }
}

.page.reduced-motion *,
.page.reduced-motion *::before,
.page.reduced-motion *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
}

.page.reduced-motion .victory-lines .line {
    opacity: 1;
}