/* Estilo geral */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: white;
    overflow: hidden;
    position: relative;
}

/* Canvas do jogo */
#gameCanvas {
    display: block;
    margin: 0 auto;
    border: 2px solid white;
    background-color: rgba(0, 0, 0, 0.85);
    width: 95vw;  /* ocupa 95% da tela */
    height: 70vh; /* altura proporcional */
    max-width: 1000px;
    max-height: 700px;
}

/* Telas de overlay (menus) */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 10;
}

.overlay h1 { font-size: 8vw; margin-bottom: 6vh; }
.overlay h2 { font-size: 6vw; margin-bottom: 4vh; }
.overlay p  { font-size: 4vw; margin-bottom: 2vh; }

.overlay button {
    font-size: 4vw;
    padding: 3vw 6vw;
    margin: 2vw;
    background-color: #222;
    color: white;
    border: 2px solid white;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.overlay button:hover {
    background-color: #555;
    border-color: yellow;
}

/* Campo de input responsivo */
.overlay input[type="number"] {
    width: 15vw;
    font-size: 4vw;
    margin-left: 2vw;
    padding: 1vw;
    border-radius: 5px;
    border: 1px solid #fff;
    background-color: #222;
    color: white;
}

/* Botões superiores (pause/menu) */
#gameControls {
    position: fixed;
    top: 2vh;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
}

#gameControls button {
    font-size: 4vw;
    padding: 2vw 4vw;
    margin: 0 1vw;
    border-radius: 10px;
    background-color: #222;
    border: 2px solid white;
    color: white;
    cursor: pointer;
    transition: 0.2s;
}

#gameControls button:hover {
    background-color: #444;
    border-color: yellow;
}

/* Controles de toque */
#touchControls {
    position: fixed;
    bottom: 5vh;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    z-index: 15;
}

.touch-area {
    width: 25vw;
    height: 15vh;
    background-color: rgba(255, 255, 255, 0.1);
    color: yellow;
    font-size: 8vw;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 15px;
    user-select: none;
    touch-action: none;
}

.touch-area:active {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Rodapé */
#footer {
    position: fixed;
    bottom: 1vh;
    right: 2vw;
    font-size: 3.5vw;
    z-index: 20;
}

#footer a {
    color: yellow;
    text-decoration: none;
}
#footer a:hover { text-decoration: underline; }

/* Ajuste para tablets e telas grandes */
@media (min-width: 800px) {
    .overlay h1 { font-size: 60px; }
    .overlay h2 { font-size: 40px; }
    .overlay p  { font-size: 20px; }
    .overlay button { font-size: 20px; }
    #footer { font-size: 16px; }
}