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

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
}

.container {
    text-align: center;
}

/* Container do Canvas */
.canvas-container {
    position: relative;
    width: 1122.66px; /* Largura do A4 paisagem em pixels (297mm * 3.78) */
    height: 793.8px; /* Altura do A4 paisagem em pixels (210mm * 3.78) */
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid #ccc;
    background-color: white;
}

/* Estilo dos Canvas */
.a4-canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: transform 0.5s ease-in-out;
}

/* Esconder todos os canvas, exceto o primeiro */
.a4-canvas:not(:first-child) {
    transform: translateX(100%);
}

/* Botões de Upload */
.upload-buttons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Permite interação com o canvas */
    z-index: 1000;
}

.upload-buttons button {
    position: absolute;
    pointer-events: auto; /* Permite clicar nos botões */
    background: #4285f4;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.upload-buttons button:hover {
    background: #357abd;
}

/* Setas de Navegação */
.navigation {
    margin-top: 20px;
}

.nav-btn {
    background-color: #4285f4;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 5px;
    margin: 0 10px;
}

.nav-btn:hover {
    background-color: #357ab8;
}

/* Sliders */
.sliders-container {
    position: absolute;
    display: flex;
    gap: 10px;
    align-items: center;
    width: 490px; /* Largura dos compartimentos */
    background: rgba(255, 255, 255, 0.8); /* Fundo semi-transparente */
    border-radius: 5px;
    padding: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.slider-group {
    display: flex;
    align-items: center;
    gap: 5px;
}

.slider-group label {
    font-size: 12px;
    color: #333;
    width: 25px; /* Largura fixa para os rótulos (ajustada para "Br", "Cn", "St") */
}

.slider-group input[type="range"] {
    width: 120px; /* Largura fixa para os sliders */
    margin: 0;
}