@charset "UTF-8";

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

body {
    background: #0d0d0d;
    overflow: hidden;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px;
    text-align: center;
    gap: 12px;
    font-family: "Segoe UI", Tahoma, sans-serif;
}

canvas {
    display: block;
    position: fixed; /* fixo no fundo */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;  /* Joga o canvas atras do conteudo */
}

.app {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px 18px;
    border-radius: 16px;
    background: rgba(10, 10, 10, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(0, 255, 255, 0.05);
    backdrop-filter: blur(6px);
    position: relative;
}

h1 {
    color: #ffffff;
    margin-top: 0;
    font-size: 1.25rem;
    letter-spacing: 0.3px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

h2 {
    color: #ffffff;
    margin-top: 0;
    font: normal 0.98rem sans-serif;
    opacity: 0.9;
}

footer {
    color: #ffffff;
    font: bold 0.9rem sans-serif;
    margin-top: 16px;
}

a {
    color: #ffffff;
    text-decoration: none;
}

.emoji {
    display: inline-block;
    animation: emojiPulse 1.5s infinite;
}

@keyframes emojiPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
    100% {
        transform: scale(1);
    }
}

.localNumero {
    margin-top: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.localNumero input {
    width: 100px;
    height: 36px;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding-left: 10px;
    font: bold 14px sans-serif;
    color: #0D0D0D;
    background: #f5f5f5;
    box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.08);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.localNumero input:focus-visible {
    border-color: #00ffcc;
    box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.2);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.dificuldade {
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ffffff;
    font: normal 0.9rem sans-serif;
}

.dificuldade select {
    background: #0d0d0d;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    padding: 6px 10px;
    font: normal 0.9rem sans-serif;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.dificuldade select.dificuldade--facil {
    border-color: rgba(0, 255, 120, 0.6);
    box-shadow: 0 0 0 2px rgba(0, 255, 119, 0.279);
}

.dificuldade select.dificuldade--medio {
    border-color: rgba(255, 214, 0, 0.6);
    box-shadow: 0 0 0 2px rgba(255, 213, 0, 0.313);
}

.dificuldade select.dificuldade--dificil {
    border-color: rgba(255, 64, 64, 0.6);
    box-shadow: 0 0 0 2px rgba(255, 64, 64, 0.228);
}

.status-bar {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px 10px;
    color: #ffffff;
    font: normal 0.85rem sans-serif;
}

.contador {
    padding: 4px 8px;
    border: 1px solid rgba(0, 255, 204, 0.25);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.45);
    color: #c7fff0;
}

.historico-label {
    opacity: 0.8;
    display: inline-flex;
    align-items: center;
}

.historico {
    padding: 4px 8px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.35);
    min-width: 64px;
}

.botao {
    margin-top: 12px;
    padding: 10px 18px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 5px;
    background: #000000;
    color: #ffffff;
    font: bold 14px sans-serif;
    letter-spacing: .5px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: rgbBorder 7s infinite;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.2), 0 0 16px rgba(0, 255, 204, 0.15);
}

@keyframes rgbBorder {
    0% { border-color: #FF00FF; box-shadow: 0 0 10px #FF00FF; }
    12.5% { border-color: #00FFFF; box-shadow: 0 0 10px #00FFFF; }
    25% { border-color: #FFFF00; box-shadow: 0 0 10px #FFFF00; }
    37.5% { border-color: #FFA500; box-shadow: 0 0 10px #FFA500; }
    50% { border-color: #800080; box-shadow: 0 0 10px #800080; }
    62.5% { border-color: #FF0000; box-shadow: 0 0 10px #FF0000; }
    75% { border-color: #00FF00; box-shadow: 0 0 10px #00FF00; }
    87.5% { border-color: #0000FF; box-shadow: 0 0 10px #0000FF; }
    100% { border-color: #FFFFFF; box-shadow: 0 0 6px #FFFFFF; }
}

.botao:hover {
    background-color: #ffffff;
    color: #0D0D0D;
    transform: translateY(-1px);
}

.botao:active {
    transform: scale(0.98);
}

.botao-recomecar {
    margin-top: 12px;
    padding: 10px 18px;
    border: none;
    border-radius: 5px;
    background: #00ffcc;
    color: #000000;
    font: bold 14px sans-serif;
    cursor: pointer;
    display: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 0 6px rgba(0, 255, 204, 0.25);
}

.botao-recomecar:active {
    transform: scale(0.98);
}

.dica-texto {
    color: #ffff00;
    font-weight: bold;
}

.maiorMenor {
    color: #ffff00;
    font-size: 20px;
    text-shadow: 0 0 5px #F2380F; 
}

.resultado {
    margin-top: 10px;
    font: bold 16px sans-serif;
    color: white;
}

.toggle-animacao {
    margin-top: 10px;
    color: #ffffff;
    font: normal 0.9rem sans-serif;
}

.toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.35);
    cursor: pointer;
    user-select: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.toggle-label input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.toggle-ui {
    width: 38px;
    height: 20px;
    border-radius: 999px;
    background: #111111;
    border: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    transition: all 0.2s ease;
}

.toggle-ui::after {
    content: "";
    position: absolute;
    top: 1px;
    left: 1px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ffffff;
    transition: transform 0.2s ease, background 0.2s ease;
}

.toggle-label input:checked + .toggle-ui {
    background: #00ffcc;
    box-shadow: 0 0 8px rgba(0, 255, 204, 0.6);
}

.toggle-label input:checked + .toggle-ui::after {
    transform: translateX(18px);
    background: #0d0d0d;
}

.toggle-text {
    letter-spacing: 0.2px;
}

.toggle-label:focus-within {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.mensagem-acerto {
    color: #00ff00;
    text-shadow: 0 0 10px #00ff00;
    animation: pulse 1.5s infinite;
    padding: 12px;
    border-radius: 10px;
    background: rgba(13, 13, 13, 0.9);
    border: 2px solid #00ff00;
}

.badge-dificuldade {
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(0, 255, 204, 0.18);
    border: 1px solid rgba(0, 255, 204, 0.5);
    color: #c7fff0;
    font-size: 0.7rem;
    letter-spacing: 0.6px;
    font-weight: 700;
}

.badge-dificuldade--facil {
    background: rgba(0, 255, 120, 0.18);
    border-color: rgba(0, 255, 120, 0.55);
    color: #c9ffe5;
}

.badge-dificuldade--medio {
    background: rgba(255, 214, 0, 0.18);
    border-color: rgba(255, 214, 0, 0.55);
    color: #fff0b8;
}

.badge-dificuldade--dificil {
    background: rgba(255, 64, 64, 0.18);
    border-color: rgba(255, 64, 64, 0.55);
    color: #ffd4d4;
}

.numero-secreto {
    color: #ffd700;
    font-weight: bold;
}

@keyframes pulse {
        0% {
                transform: scale(1);
            }
        50% {
                transform: scale(1.05);
            }
        100% {
                transform: scale(1);
            }
}

/* Mobile-first: base acima. Ajustes para telas maiores */
@media screen and (min-width: 481px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.2rem; }
    .resultado { font-size: 18px; margin-top: 14px; }
    .mensagem-acerto { padding: 15px; }
    .localNumero { margin-top: 8px; }
    .localNumero input {
        width: 110px;
        height: 38px;
        font-size: 15px;
    }
    .botao, .botao-recomecar { padding: 9px 18px; font-size: 15px; }
    footer { margin-top: 28px; font-size: 1rem; }
}

@media screen and (min-width: 769px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .resultado { font-size: 20px; margin-top: 18px; }
    .mensagem-acerto { padding: 20px; }
    .localNumero { margin-top: 12px; }
    .localNumero input {
        width: 117px;
        height: 40px;
        font-size: 16px;
    }
    .botao, .botao-recomecar { padding: 10px 20px; font-size: 16px; }
    footer { margin-top: 36px; font-size: 1rem; }
}