:root {
    --arcade-bg: #070914;
    --arcade-panel: #111827;
    --arcade-panel-2: #0b1220;
    --arcade-blue: #1d4ed8;
    --arcade-cyan: #22d3ee;
    --arcade-yellow: #ffd43b;
    --arcade-pink: #ff4fd8;
    --arcade-red: #ff3b30;
    --arcade-text: #f8fafc;
    --arcade-muted: #94a3b8;
}

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

body.game-page {
    min-height: 100vh;
    background: var(--arcade-bg);
    color: var(--arcade-text);
    font-family: "Poppins", "Segoe UI", Arial, sans-serif;
}

.arcade-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0; }
.arcade-header, .arcade-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.arcade-logo { color: #fff; font-size: clamp(24px, 4vw, 38px); font-weight: 800; text-decoration: none; }
.arcade-logo span { color: var(--arcade-cyan); }
.arcade-nav { display: flex; flex-wrap: wrap; gap: 10px; }

.arcade-button {
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 8px;
    background: rgba(255, 255, 255, .08);
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    padding: 10px 14px;
    text-decoration: none;
}

.arcade-button:hover, .arcade-button:focus-visible { border-color: var(--arcade-cyan); outline: 0; }
/* No arcade próprio, o palco cresce e o placar mantém largura fixa ao lado. */
.arcade-main { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 18px; margin-top: 24px; }

.game-stage, .score-panel, .doom-stage, .emulator-stage {
    background: linear-gradient(180deg, rgba(17, 24, 39, .96), rgba(11, 18, 32, .96));
    border: 1px solid rgba(148, 163, 184, .28);
    border-radius: 8px;
    box-shadow: 0 18px 60px rgba(0, 0, 0, .35);
}

.game-stage { display: grid; min-height: 620px; padding: 18px; place-items: center; }
.score-panel { align-self: start; display: grid; gap: 14px; padding: 18px; }
.score-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid rgba(148, 163, 184, .18); padding-bottom: 12px; }
.score-row strong { color: var(--arcade-muted); font-size: 13px; text-transform: uppercase; }
.score-row span { color: #fff; font-size: 24px; font-weight: 800; }
.hint { color: var(--arcade-muted); font-size: 13px; line-height: 1.5; }

/* O tabuleiro usa células fixas para que paredes e personagens coincidam com o mapa do jogo. */
#pacman-board {
    display: grid;
    grid-template-columns: repeat(21, 24px);
    grid-template-rows: repeat(var(--board-rows, 22), 24px);
    background: #020617;
    border: 3px solid #172554;
    border-radius: 8px;
    padding: 8px;
    position: relative;
}

.cell { align-items: center; display: flex; height: 24px; justify-content: center; position: relative; width: 24px; }
.wall { background: #1d4ed8; box-shadow: inset 0 0 0 2px #60a5fa; }
.pellet::after { background: #ffe8a3; border-radius: 50%; content: ""; height: 5px; width: 5px; }
.power::after { animation: pulse .8s infinite alternate; background: var(--arcade-yellow); border-radius: 50%; content: ""; height: 12px; width: 12px; }

.pacman, .ghost { border-radius: 50%; height: 20px; position: absolute; transition: transform .12s linear; width: 20px; z-index: 3; }
.pacman { background: conic-gradient(from 35deg, transparent 0 75deg, var(--arcade-yellow) 75deg 360deg); filter: drop-shadow(0 0 8px rgba(255, 212, 59, .5)); }
.ghost { border-radius: 10px 10px 4px 4px; filter: drop-shadow(0 0 8px rgba(255, 255, 255, .24)); }
.ghost::before, .ghost::after { background: #fff; border-radius: 50%; content: ""; height: 5px; position: absolute; top: 6px; width: 5px; }
.ghost::before { left: 5px; }
.ghost::after { right: 5px; }
.ghost.blinky { background: var(--arcade-red); }
.ghost.pinky { background: var(--arcade-pink); }
.ghost.inky { background: var(--arcade-cyan); }
.ghost.clyde { background: #f97316; }
.ghost.scared { background: #2563eb; }

.game-message {
    background: rgba(2, 6, 23, .9);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 8px;
    color: #fff;
    display: none;
    font-size: clamp(18px, 4vw, 34px);
    font-weight: 800;
    left: 50%;
    padding: 18px 24px;
    position: absolute;
    text-align: center;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
}

.doom-stage { display: grid; gap: 16px; margin-top: 24px; overflow: hidden; padding: 16px; }
.doom-frame { position: relative; aspect-ratio: 16 / 10; background: #030303; border: 1px solid rgba(255, 255, 255, .16); border-radius: 8px; overflow: hidden; width: 100%; }
.doom-canvas { display: block; height: 100%; image-rendering: pixelated; outline: none; width: 100%; }
.doom-hud { position: absolute; top: 12px; left: 12px; right: 12px; display: flex; justify-content: space-between; gap: 12px; pointer-events: none; }
.doom-hud span { background: rgba(0, 0, 0, .72); border: 1px solid rgba(255, 255, 255, .18); border-radius: 6px; color: #fff; font-size: 12px; font-weight: 700; padding: 7px 10px; }
.doom-hud strong { color: var(--arcade-yellow); }
.doom-controls { display: flex; flex-wrap: wrap; gap: 8px; color: var(--arcade-muted); font-size: 13px; line-height: 1.5; }
.doom-controls kbd { border: 1px solid rgba(255, 255, 255, .24); border-radius: 4px; color: #fff; padding: 1px 5px; }
.doom-message { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(0, 0, 0, .66); color: #fff; font-size: clamp(20px, 4vw, 36px); font-weight: 800; pointer-events: none; text-align: center; }
.doom-message[hidden] { display: none; }
.emulator-stage { display: grid; gap: 16px; margin-top: 24px; padding: 16px; }
.emulator-frame { aspect-ratio: 16 / 10; background: #000; border: 1px solid rgba(255, 255, 255, .16); border-radius: 8px; overflow: hidden; width: 100%; }
.emulator-frame iframe { border: 0; display: block; height: 100%; width: 100%; }
.doom-emulator-frame { aspect-ratio: 4 / 3; }
.doom-emulator-frame iframe { height: 62.5%; transform: scale(1.6); transform-origin: top left; width: 62.5%; }
.maze-stage { display: grid; gap: 16px; margin-top: 24px; overflow: hidden; padding: 16px; }
#public-maze-canvas, #arcade-canvas { display: block; height: auto; max-width: 100%; outline: none; width: 100%; }
.arcade-portal .portal-content { display: grid; gap: 24px; margin-top: 24px; }
.portal-intro, .portal-games, .arcade-play-panel, .admin-progress { background: linear-gradient(180deg, rgba(17, 24, 39, .96), rgba(11, 18, 32, .96)); border: 1px solid rgba(148, 163, 184, .28); border-radius: 12px; padding: 20px; }
.portal-intro h1 { font-size: clamp(30px, 5vw, 48px); margin: 4px 0 8px; }
.portal-intro p { color: var(--arcade-muted); line-height: 1.6; }
.portal-intro .portal-eyebrow { color: var(--arcade-cyan); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.portal-layout { align-items: start; display: grid; gap: 18px; grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); }
.portal-games { display: grid; gap: 10px; padding: 12px; }
.portal-game-card { background: #0b1220; border: 1px solid rgba(148, 163, 184, .24); border-radius: 10px; color: var(--arcade-text); cursor: pointer; display: grid; gap: 5px; grid-template-columns: 34px 1fr; padding: 13px; text-align: left; }
.portal-game-card:hover, .portal-game-card:focus-visible { border-color: var(--arcade-cyan); outline: none; }
.portal-game-card strong, .portal-game-card span:not(.portal-game-icon) { grid-column: 2; }
.portal-game-card span:not(.portal-game-icon) { color: var(--arcade-muted); font-size: 12px; line-height: 1.45; }
.portal-game-icon { color: var(--arcade-cyan); font-size: 24px; grid-row: span 2; }
.arcade-play-panel { display: grid; gap: 12px; min-width: 0; }
.arcade-play-heading { align-items: center; display: flex; gap: 12px; justify-content: space-between; }
.arcade-play-heading p, .admin-progress p { color: var(--arcade-muted); font-size: 13px; line-height: 1.5; margin-top: 4px; }
.arcade-canvas-wrap { background: #020617; border: 1px solid rgba(96, 165, 250, .35); border-radius: 8px; overflow: hidden; position: relative; }
.arcade-overlay { align-items: center; background: rgba(2, 6, 23, .92); color: #fff; display: flex; font-size: clamp(17px, 3vw, 25px); font-weight: 800; inset: 0; justify-content: center; padding: 24px; position: absolute; text-align: center; }
.arcade-overlay[hidden] { display: none; }
.game-start-card { background: rgba(17, 24, 39, .96); border: 1px solid rgba(34, 211, 238, .45); border-radius: 12px; display: grid; gap: 12px; max-width: 460px; padding: clamp(18px, 4vw, 30px); width: 100%; }
.game-start-card[hidden] { display: none; }
.game-start-card .portal-eyebrow { color: var(--arcade-cyan); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.game-start-card h2 { font-size: clamp(22px, 4vw, 30px); }
.game-start-card > p:not(.portal-eyebrow) { color: var(--arcade-muted); font-size: 14px; font-weight: 400; line-height: 1.55; }
.game-start-card .game-start-controls { color: var(--arcade-cyan); }
.game-start-button { justify-self: center; margin-top: 4px; }
.game-start-button:disabled { cursor: wait; opacity: .65; }
.game-over-card { background: rgba(17, 24, 39, .97); border: 1px solid rgba(34, 211, 238, .45); border-radius: 12px; display: grid; gap: 10px; max-height: 100%; max-width: 500px; overflow-y: auto; padding: clamp(16px, 3vw, 24px); width: 100%; }
.game-over-card[hidden] { display: none; }
.game-over-card .portal-eyebrow { color: var(--arcade-cyan); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.game-over-card h2 { font-size: clamp(22px, 4vw, 30px); }
.game-over-card h3 { color: var(--arcade-cyan); font-size: 15px; margin-top: 4px; }
.game-over-card > p:not(.portal-eyebrow) { color: var(--arcade-muted); font-size: 13px; font-weight: 400; line-height: 1.45; }
.game-leaderboard { display: grid; gap: 4px; list-style: none; }
.game-leaderboard li { align-items: center; border-bottom: 1px solid rgba(148, 163, 184, .16); display: flex; font-size: 12px; gap: 12px; justify-content: space-between; padding: 6px 0; text-align: left; }
.game-leaderboard li strong { color: var(--arcade-yellow); flex: 0 0 auto; font-size: 11px; }
.game-over-card > .arcade-button { justify-self: center; margin-top: 4px; }
.arcade-live-stats { color: var(--arcade-muted); display: flex; flex-wrap: wrap; gap: 20px; }
.arcade-live-stats strong { color: var(--arcade-yellow); }
.arcade-feedback { color: var(--arcade-cyan); font-size: 13px; min-height: 1.4em; }
.admin-progress h2 { margin-bottom: 5px; }
.admin-progress-table { margin-top: 14px; overflow-x: auto; }
.admin-progress-grid { border-collapse: collapse; min-width: 720px; width: 100%; }
.admin-progress-grid th, .admin-progress-grid td { border-bottom: 1px solid rgba(148, 163, 184, .2); padding: 10px; text-align: left; }
.admin-progress-grid th { color: var(--arcade-cyan); font-size: 12px; }
.admin-progress-grid td { font-size: 13px; }
.danger-button { color: #fecaca; }
.arcade-unlock-status { background: #111827; border: 1px solid var(--arcade-cyan); border-radius: 8px; bottom: 16px; color: var(--arcade-text); padding: 12px 16px; position: fixed; right: 16px; z-index: 20; }
.arcade-footer { color: var(--arcade-muted); font-size: 12px; margin-top: 22px; }

@keyframes pulse {
    from { transform: scale(.8); }
    to { transform: scale(1.15); }
}

@media (max-width: 860px) {
    .arcade-header, .arcade-footer { align-items: flex-start; flex-direction: column; }
    .arcade-main { grid-template-columns: 1fr; }
    .game-stage { min-height: auto; overflow-x: auto; place-items: start center; }
    .score-panel { grid-template-columns: repeat(3, 1fr); }
    .portal-layout { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .arcade-shell { width: min(100% - 20px, 1180px); padding: 16px 0; }
    #pacman-board { grid-template-columns: repeat(21, 18px); grid-template-rows: repeat(var(--board-rows, 22), 18px); padding: 6px; }
    .cell { height: 18px; width: 18px; }
    .pacman, .ghost { height: 15px; width: 15px; }
    .score-panel { grid-template-columns: 1fr; }
    .portal-intro, .arcade-play-panel, .admin-progress { padding: 14px; }
    .arcade-play-heading { align-items: flex-start; flex-direction: column; }
    .arcade-live-stats { gap: 8px 14px; }
}

html,
body.game-page {
    max-width: 100%;
    overflow-x: hidden;
}

@media (max-width: 720px) {
    .arcade-shell { width: min(100% - 20px, 1180px); padding-top: 14px; }

    .arcade-header {
        align-items: center;
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 10px;
    }

    .arcade-header .site-menu-toggle { display: inline-flex; justify-self: end; }
    .arcade-logo { min-width: 0; font-size: clamp(21px, 7vw, 30px); }

    .arcade-header .site-menu {
        background: var(--arcade-panel);
        border: 1px solid rgba(148, 163, 184, .28);
        border-radius: 0 0 12px 12px;
        display: none;
        grid-column: 1 / -1;
        padding: 12px;
    }

    .arcade-header .site-menu.is-open { display: grid; }
    .arcade-nav { flex-direction: column; }
    .arcade-button { min-height: 44px; text-align: center; }
    .score-row span { font-size: clamp(17px, 5vw, 24px); text-align: right; }
    .emulator-stage { padding: 10px; }
}

@media (prefers-reduced-motion: reduce) {
    .marquee-trilho,
    .power::after { animation: none; }
}