:root {
    --azul-noite: #000033;
    --ciano: #00ffff;
    --amarelo: #ffff00;
    --magenta: #ff00ff;
    --cinza: #c0c0c0;
    --azul-windows: #000080;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    color: #fff;
    font-family: Verdana, Geneva, sans-serif;
    text-align: center;
    background-color: var(--azul-noite);
    background-image:
        radial-gradient(#fff 1px, transparent 1px),
        radial-gradient(var(--ciano) 1px, transparent 1px);
    background-position: 0 0, 17px 23px;
    background-size: 37px 37px, 53px 53px;
}

.site {
    width: min(760px, calc(100% - 24px));
    margin: 18px auto;
    padding: 12px;
    border: 5px ridge var(--ciano);
    background: rgba(0, 0, 70, 0.94);
    box-shadow: 0 0 18px var(--magenta);
}

.boas-vindas {
    margin: 0 0 12px;
    color: var(--amarelo);
    font: bold 12px "Courier New", monospace;
    letter-spacing: 2px;
}

header {
    position: relative;
    padding: 12px;
    border: 3px double var(--magenta);
    background: linear-gradient(90deg, #000080, #650065, #000080);
}

h1 {
    margin: 0;
    color: var(--amarelo);
    font-family: Impact, Haettenschweiler, sans-serif;
    font-size: clamp(2.5rem, 10vw, 5rem);
    font-style: italic;
    letter-spacing: 3px;
    line-height: 1;
    text-shadow: 3px 3px 0 #f00, 6px 6px 0 #000;
}

.subtitulo { margin: 12px 0 0; color: var(--ciano); font-weight: bold; }

.novo {
    position: absolute;
    top: -13px;
    right: -8px;
    padding: 5px 8px;
    color: #000;
    font: bold 12px Arial, sans-serif;
    background: var(--amarelo);
    border: 2px outset #fff;
    transform: rotate(8deg);
}

.faixa {
    margin: 14px 0;
    overflow: hidden;
    color: #000;
    font: bold 14px "Courier New", monospace;
    white-space: nowrap;
    background: var(--amarelo);
    border: 2px inset #fff;
}

.faixa span {
    display: inline-block;
    min-width: 100%;
    padding: 5px 0;
    animation: correr 8s linear infinite;
}

@keyframes correr {
    from { transform: translateX(100%); }
    to { transform: translateX(-100%); }
}

.janela {
    color: #000;
    text-align: left;
    border: 4px outset #fff;
    background: var(--cinza);
}

.barra-janela {
    display: flex;
    justify-content: space-between;
    padding: 5px 7px;
    color: #fff;
    font-weight: bold;
    background: linear-gradient(90deg, var(--azul-windows), #1084d0);
}

.controles {
    color: #000;
    letter-spacing: 3px;
    background: var(--cinza);
    border: 1px outset #fff;
}

.conteudo { padding: 22px; text-align: center; }
.instrucao { margin-top: 0; font-weight: bold; }
.jogadas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

button {
    min-width: 130px;
    padding: 10px 16px;
    color: #000;
    font: bold 16px Verdana, sans-serif;
    cursor: pointer;
    background: var(--cinza);
    border: 4px outset #eee;
}

button img {
    display: block;
    width: 72px;
    height: 72px;
    margin: 0 auto 7px;
    object-fit: contain;
}
button:hover { color: #fff; background: var(--azul-windows); }
button:active { border-style: inset; }
button:focus-visible { outline: 4px dotted #f00; outline-offset: 3px; }

.resultado {
    margin-top: 20px;
    padding: 12px;
    font-family: "Courier New", monospace;
    border: 3px inset #fff;
    background: #fff;
}

#placar { margin: 0 0 7px; color: #c00000; font-size: 1.2rem; font-weight: bold; }
#detalhes { margin: 0; }

.regras {
    margin: 14px 0;
    padding: 10px;
    color: var(--amarelo);
    border: 2px dashed var(--magenta);
}

.regras h2 { margin: 0 0 6px; color: var(--ciano); font-size: 1rem; }
.regras p, footer p { margin: 6px 0; font-size: 12px; }

.contador {
    padding: 2px 5px;
    color: #f00;
    font-family: "Courier New", monospace;
    background: #000;
    border: 2px inset #777;
}

.email { color: var(--ciano); text-decoration: underline; }

.divisor-fogo { display: block; width: 100%; height: 24px; margin: 10px 0; object-fit: cover; }
.em-construcao { margin-top: 8px; }

.sessao { margin-bottom: 14px; }
.sessao .conteudo { text-align: center; }
.qrcode { display: flex; justify-content: center; margin: 10px 0; }
#codigo-sala { letter-spacing: 2px; }
button:disabled { cursor: not-allowed; opacity: 0.5; }

@media (max-width: 520px) {
    .site { width: calc(100% - 12px); margin: 6px; padding: 8px; }
    .conteudo { padding: 16px 10px; }
    button { min-width: 92px; flex: 1; padding-inline: 8px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
    .faixa span { animation: none; }
}