/* ======== BASE ======== */
body {
    font-family: Arial, sans-serif;
    background: #111;
    color: white;
    margin: 0;
}

/* HEADER */
header {
    background: #222;
    padding: 15px;
    text-align: center;
}

/* CONTAINER CENTRAL (IMPORTANTE PARA MOBILE) */
.container {
    max-width: 600px;
    margin: auto;
    padding: 15px;
}

/* FORMULÁRIO DE UPLOAD */
.upload-box {
    background:#222;
    padding: 20px;
    border-radius: 10px;
}

/* INPUT DE TÍTULO */
.upload-box input[type="text"] {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: none;
    background: #333;
    color: white;
    box-sizing: border-box;
}

/* INPUT DE ARQUIVO */
.upload-box input[type="file"] {
    width: 100%;
    color: white;
}

/* BOTÃO */
.upload-box button {
    width: 100%;
    padding: 12px;
    background: #ff3333;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
}

/* LINK VOLTAR */
a {
    color: white;
    text-decoration: none;
    display: block;
    margin-top: 15px;
    text-align: center;
}

/* ===================== */
/* 📱 MOBILE */
/* ===================== */
@media (max-width: 768px) {

    .container {
        padding: 10px;
    }

    .upload-box {
        padding: 15px;
    }

    header h1 {
        font-size: 1.2rem;
    }
}

/* ===================== */
/* 💻 DESKTOP */
/* ===================== */
@media (min-width: 769px) {

    .container {
        max-width: 700px;
    }

    .upload-box {
        padding: 25px;
    }
}






.categorias {
    display: flex;
    gap: 8px;
    padding: 10px;
}

.cat-btn {
    flex: 1;
    text-align: center;
    background: #222;
    color: white;
    padding: 10px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
}

.cat-btn:active {
    background: #ff3333;
}