/* Estilos Gerais */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to right, #0f0f0f, #003300); /* Fundo preto com gradiente verde escuro */
    color: #f0f0f0; /* Cor de texto padrão clara */
}

/* Estilo da caixa principal */
.box {
    max-width: 400px;
    margin: 40px auto;
    padding: 30px;
    background: rgba(0, 0, 0, 0.4); /* Fundo preto semitransparente */
    border: 1px solid #333;
    border-radius: 15px; /* Cantos arredondados */
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5); /* Sombra para efeito de profundidade */
}

/* Estilo para textos com gradiente */
.gradient-text {
    background: -webkit-linear-gradient(#3d0000, #ff0000); /* Gradiente preto para vermelho */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
}

h1, h2, h3 {
    text-align: center;
}

/* Estilos para campos de formulário */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #555;
    border-radius: 8px;
    box-sizing: border-box;
    background-color: #fff; /* Fundo branco */
    color: #333;
}
/* Esconde o input de arquivo padrão */
input[type="file"] {
    display: none;
}


button {
    width: 100%;
    background-color: #005a00; /* Verde para combinar com o fundo */
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
}

button:hover {
    background-color: #007a00;
    transition: background-color 0.3s;
}

label {
    display: block;
    margin-top: 10px;
    margin-bottom: 5px;
    font-weight: bold;
}

a {
    color: #4CAF50; /* Verde claro para links */
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: #66ff66;
}

.error {
    color: #ffcccc;
    background-color: rgba(255, 0, 0, 0.2);
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 15px;
}

/* Estilos para a página de mesclagem */
.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 15px;
    border-radius: 5px;
    background: #ddd;
    outline: none;
    opacity: 0.7;
    -webkit-transition: .2s;
    transition: opacity .2s;
    margin-bottom: 20px;
}

.slider:hover {
    opacity: 1;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #4CAF50;
    cursor: pointer;
}

.result-container {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    border: 1px solid #003300;
}
.result-image { max-width: 100%; border-radius: 8px; border: 2px solid #4CAF50; margin-top: 10px; }

/* Estilos para o container e o canvas de preview */
#preview-wrapper {
    position: relative;
    height: 320px; /* Altura fixa para o container do preview */
    margin-bottom: 20px;
    background-color: rgba(0,0,0,0.2);
    border-radius: 8px;
    overflow: hidden;
    display: flex; /* Centraliza o canvas filho */
    align-items: center;
    justify-content: center;
}

#preview_canvas {
    width: 100%; /* Força o canvas a ocupar 100% da largura do PAI */
    height: 100%; /* Força o canvas a ocupar 100% da altura do PAI */
}

/* Estilo customizado para o label do input file */
.file-upload-label {
    display: block;
    padding: 12px 20px;
    background-color: #002a00; /* Verde bem escuro */
    color: #f0f0f0;
    border: 2px dashed #4CAF50;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 20px;
    transition: background-color 0.3s, border-color 0.3s;
    animation: pulse 2s infinite;
}

.file-upload-label:hover {
    background-color: #004d00;
    border-color: #66ff66;
    animation-play-state: paused; /* Pausa a animação no hover */
}

/* Animação de pulso */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(76, 175, 80, 0); }
    100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}


/* Responsividade para Mobile */
@media screen and (max-width: 600px) {
    .box {
        margin: 20px;
        padding: 20px;
    }
}