/* Carregando sua fonte local */
@font-face {
    font-family: 'Silver';
    src: url('Silver.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

:root {
    /* Tons de marrom mais claros e quentes (estilo couro/pergaminho) */
    --bg-color: #3d322d;
    /* Marrom médio de fundo */
    --container-bg: #4e4039;
    /* Marrom mais claro para o corpo */
    --text-main: #fdfbf7;
    /* Off-white para máxima leitura */
    --text-dim: #c5b4a7;
    /* Marrom acinzentado para textos secundários */
    --border-color: #725d53;
    /* Bordas visíveis */
    --accent: #b56e64;
    /* Vermelho ferrugem para botões e foco */
    --input-bg: #2b231f;
    /* Fundo dos campos (mais escuro que o container) */
    --success: #a8e6cf;
    --error: #ff8b94;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Silver', monospace;
    /* Fonte Silver aplicada */
    font-size: 24px;
    /* Fontes pixeladas precisam ser maiores */
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    image-rendering: pixelated;
    /* Mantém a fonte nítida */
}

.container {
    background-color: var(--container-bg);
    border: 3px solid var(--border-color);
    padding: 30px 40px;
    max-width: 650px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    position: relative;
}

/* Detalhe estético de canto (estilo Roadwarden) */
.container::before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 1px solid var(--border-color);
    pointer-events: none;
}

/* NAVEGAÇÃO */
.nav-menu {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
}

.nav-link {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 26px;
    padding: 10px 20px;
    transition: all 0.2s;
    text-transform: uppercase;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    /* Sobrepõe a borda inferior do menu */
}

.nav-link:hover {
    color: var(--text-main);
}

.nav-link.active {
    color: var(--accent);
    border-bottom: 3px solid var(--accent);
}

h1 {
    text-align: center;
    font-size: 42px;
    margin-top: 10px;
    margin-bottom: 20px;
    color: var(--text-main);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    text-transform: uppercase;
}

p {
    line-height: 1.2;
    color: var(--text-dim);
    margin-bottom: 20px;
    text-align: justify;
}

.highlight {
    color: var(--text-main);
    text-decoration: underline;
}

label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-main);
}

textarea,
input[type="file"],
input[type="text"] {
    width: 100%;
    box-sizing: border-box;
    background-color: var(--input-bg);
    color: var(--text-main);
    border: 2px solid var(--border-color);
    padding: 12px;
    font-family: 'Silver', monospace;
    font-size: 22px;
    margin-bottom: 20px;
}

textarea {
    resize: vertical;
    min-height: 150px;
}

textarea:focus,
input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
}

input[type="file"]::file-selector-button {
    background-color: var(--border-color);
    color: var(--text-main);
    border: none;
    padding: 5px 15px;
    margin-right: 10px;
    font-family: 'Silver', monospace;
    font-size: 18px;
    cursor: pointer;
    transition: filter 0.2s;
}

input[type="file"]::file-selector-button:hover {
    filter: brightness(1.2);
}

.char-counter {
    text-align: right;
    font-size: 18px;
    color: var(--text-dim);
    margin-top: -15px;
    margin-bottom: 20px;
    display: block;
}

/* Estilo unificado de Botão */
.btn {
    display: block;
    width: 100%;
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 15px;
    font-size: 28px;
    font-family: 'Silver', monospace;
    cursor: pointer;
    transition: filter 0.2s, transform 0.1s, box-shadow 0.1s;
    text-transform: uppercase;
    box-shadow: 0 4px 0 #7e463f;
    /* Efeito de profundidade no botão */
    text-decoration: none;
    text-align: center;
    box-sizing: border-box;
}

.btn:hover {
    filter: brightness(1.1);
}

.btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #7e463f;
}

.btn:disabled {
    background-color: #555;
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

#status-message {
    margin-top: 25px;
    text-align: center;
    font-size: 22px;
    min-height: 24px;
}

.qr-container {
    text-align: center;
    margin: 30px 0;
}

.qr-container img {
    width: 200px;
    height: 200px;
    background-color: var(--text-main);
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    object-fit: contain;
    image-rendering: auto;
    /* Mantém o QR Code suave, se não for arte pixelada */
}