/* ================================================================
   Beige Box — quarto retrô 3D
   Paleta: ébano quente + âmbar de fósforo + plástico bege.
   ================================================================ */

:root {
    --ink: oklch(11% 0.02 70);
    --ink-deep: oklch(8% 0.018 70);
    --amber: oklch(82% 0.14 78);
    --amber-deep: oklch(68% 0.14 62);
    --phosphor: oklch(86% 0.18 142);
    --beige: oklch(86% 0.04 85);
    --plastic: oklch(74% 0.04 80);

    --text: oklch(96% 0.015 85);
    --text-soft: oklch(82% 0.03 80);
    --text-dim: oklch(64% 0.03 75);

    --panel: color-mix(in oklab, oklch(16% 0.03 70) 68%, transparent);
    --panel-strong: color-mix(in oklab, oklch(12% 0.03 70) 84%, transparent);
    --line: color-mix(in oklab, var(--amber) 28%, transparent);
    --line-soft: color-mix(in oklab, var(--beige) 14%, transparent);

    --radius: 14px;
    --radius-lg: 22px;
    --blur: 18px;

    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);

    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: clip;
    overscroll-behavior: none;
    background: var(--ink-deep);
}

body {
    min-height: 100dvh;
    padding: 0;
    color: var(--text);
    font-family: 'Outfit', system-ui, -apple-system, 'Segoe UI', sans-serif;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    cursor: pointer;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
}

:focus-visible {
    outline: 2px solid var(--amber);
    outline-offset: 3px;
}

.game-shell {
    position: fixed;
    inset: 0;
    overflow: hidden;
    background:
        radial-gradient(90% 70% at 20% 0%, oklch(22% 0.05 70) 0%, var(--ink-deep) 62%);
}

.game-shell::after {
    content: '';
    pointer-events: none;
    position: absolute;
    inset: 0;
    z-index: 3;
    opacity: 0.07;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.55'/></svg>");
}

#scene {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
    cursor: grab;
}

#scene.is-hover {
    cursor: pointer;
}

#scene.is-drag {
    cursor: grabbing;
}

.game-shell > header {
    position: absolute;
    top: calc(0.7rem + var(--safe-top));
    left: calc(0.85rem + var(--safe-left));
    right: calc(0.85rem + var(--safe-right));
    z-index: 20;
    margin: 0;
    padding: 0;
    max-width: none;
    width: auto;
    pointer-events: none;
    gap: 0.55rem;
}

.game-shell > header > * {
    pointer-events: auto;
}

.game-shell > header .back-link {
    background: var(--panel-strong);
    backdrop-filter: blur(var(--blur));
    border-color: var(--line);
    color: var(--text-soft);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.game-shell > header .app-logo {
    color: var(--text);
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.7);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 1.55rem;
    height: 1.55rem;
    border-radius: 6px;
    background: linear-gradient(180deg, var(--amber), var(--amber-deep));
    color: var(--ink-deep);
    font-size: 0.85rem;
    box-shadow: 0 0 18px color-mix(in oklab, var(--amber) 55%, transparent);
}

.logo-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: 0.15rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: color-mix(in oklab, var(--ink) 55%, transparent);
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--amber);
}

.logo-status i {
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: var(--phosphor);
    box-shadow: 0 0 8px var(--phosphor);
    animation: pulseLed 1.6s ease-in-out infinite;
}

@keyframes pulseLed {
    50% { opacity: 0.45; }
}

.icon-button {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 11px;
    border: 1px solid var(--line-soft);
    background: var(--panel);
    backdrop-filter: blur(var(--blur));
    display: grid;
    place-items: center;
    transition: transform 0.2s var(--ease), border-color 0.2s, background 0.2s;
}

.icon-button:hover {
    transform: translateY(-1px);
    border-color: var(--line);
    background: var(--panel-strong);
}

.icon-button[aria-pressed="false"] {
    color: var(--text-dim);
}

.hud {
    position: absolute;
    inset: 0;
    z-index: 4;
    pointer-events: none;
    padding: calc(4.6rem + var(--safe-top)) max(1.1rem, var(--safe-right))
        max(1.2rem, var(--safe-bottom)) max(1.1rem, var(--safe-left));
    display: grid;
    grid-template-rows: auto 1fr auto;
}

.hud-left {
    justify-self: start;
    max-width: min(28rem, 92vw);
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--line-soft);
    background: var(--panel);
    backdrop-filter: blur(var(--blur));
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0 0 0.35rem;
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--amber);
}

.eyebrow i,
.eyebrow--danger i {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 10px var(--amber);
}

.eyebrow--danger {
    color: oklch(72% 0.18 28);
}

.eyebrow--danger i {
    background: oklch(68% 0.2 28);
    box-shadow: 0 0 10px oklch(68% 0.2 28);
}

.status-line {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.95rem;
    line-height: 1.35;
}

.tooltip {
    justify-self: center;
    align-self: end;
    margin-bottom: 3.2rem;
    min-width: 11rem;
    padding: 0.7rem 1rem 0.75rem;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--panel-strong);
    backdrop-filter: blur(var(--blur));
    text-align: center;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    animation: tipIn 0.28s var(--ease);
}

.tooltip strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
}

.tooltip span {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--amber);
}

@keyframes tipIn {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to { opacity: 1; transform: none; }
}

.hint-bar {
    justify-self: center;
    align-self: end;
    margin: 0;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--line-soft);
    background: var(--panel);
    backdrop-filter: blur(12px);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--text-dim);
}

.overlay {
    position: absolute;
    inset: 0;
    z-index: 8;
    display: grid;
    place-items: center;
    padding: 1.2rem;
    background:
        radial-gradient(80% 70% at 50% 40%, oklch(16% 0.04 70 / 0.55), oklch(6% 0.02 70 / 0.92));
}

.overlay[hidden] {
    display: none;
}

.loading-card,
.overlay-card {
    width: min(28rem, 92vw);
    padding: 1.6rem 1.5rem 1.4rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: color-mix(in oklab, var(--ink) 78%, transparent);
    backdrop-filter: blur(22px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.loading-card h1,
.overlay-card h2 {
    margin: 0.15rem 0 0.7rem;
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.bios-kicker,
.bios-foot,
.bios-line {
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    color: var(--phosphor);
    text-shadow: 0 0 12px color-mix(in oklab, var(--phosphor) 50%, transparent);
}

.bios-kicker {
    margin: 0;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.bios-line {
    margin: 0 0 1rem;
    font-size: 0.82rem;
    min-height: 1.2em;
}

.bios-foot {
    margin: 0.85rem 0 0;
    font-size: 0.64rem;
    letter-spacing: 0.08em;
    opacity: 0.7;
}

.loading-bar {
    height: 6px;
    border-radius: 99px;
    background: rgba(0, 0, 0, 0.45);
    overflow: hidden;
    border: 1px solid color-mix(in oklab, var(--phosphor) 30%, transparent);
}

.loading-bar i {
    display: block;
    height: 100%;
    width: 8%;
    background: linear-gradient(90deg, oklch(62% 0.16 142), var(--phosphor));
    box-shadow: 0 0 16px var(--phosphor);
    transition: width 0.35s var(--ease);
}

.lede {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.45;
}

.lab-foot {
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(0.35rem + var(--safe-bottom));
    z-index: 5;
    margin: 0;
    padding: 0.4rem;
    border: 0;
    font-size: 0.72rem;
    color: var(--text-dim);
    opacity: 0.55;
    pointer-events: none;
}

.lab-foot a {
    color: var(--text-soft);
    pointer-events: auto;
}

@media (max-width: 720px) {
    .logo-status { display: none; }
    .hint-bar { font-size: 0.64rem; }
    .hud-left { max-width: 100%; }
}
/* --- lab-responsive-pass --- */
.icon-button { width: 2.75rem; height: 2.75rem; min-width: 44px; min-height: 44px; }

@media (max-width: 720px) {
    .hud-left {
        max-width: min(18rem, calc(100% - var(--safe-left, 0px) - var(--safe-right, 0px) - 1rem));
        padding: 0.65rem 0.8rem;
        font-size: 0.92rem;
    }
}

@media (max-height: 520px) and (orientation: landscape) {
    .hud-left { max-width: 14rem; }
    .hint-bar { display: none; }
}

/* agent-responsive-768 */
@media (max-width: 768px) {
  html, body { overflow-x: clip; }
}