:root {
    --bg-color: #f4f6f9;
    --card-bg: #ffffff;
    --text-color: #333333;
    --accent-color: #2563eb;
    --whatsapp-color: #25d366;
    --border-color: #cccccc;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 84px 20px 20px;
    display: flex;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Coluna do Formulário */
.form-side {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    height: fit-content;
}


.form-side h1 {
    text-align: center;
    font-family: 'inter',
    font-weight: 800;
    transform: scaleY(0.85);
}


h1 {
    margin-bottom: 20px;
    font-size: rem;
    color: grafit;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.9rem;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.material-row {
    display: grid;
    grid-template-columns: 2fr 5fr 3fr;
    gap: 10px;
    margin-bottom: 10px;
}

.btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    margin-top: 10px;
    font-size: 1rem;
}

.btn-secondary {
    background-color: #e2e8f0;
    color: #334155;
    margin-bottom: 15px;
}

.btn-whatsapp {
    background-color: var(--whatsapp-color);
    margin-top: 8px;
}

/* Coluna da Pré-visualização (Estilo Bloco de Papelaria) */
.preview-side {
    background: #fff;
    padding: 40px;
    border: 2px dashed #999;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    min-height: 600px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.preview-header {
    text-align: center;
    border-bottom: 2px solid #000;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.preview-header h1 {
    font-size: 1.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.meta-info {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.meta-line {
    border-bottom: 1px dotted #666;
    margin-bottom: 8px;
}

.hidden {
    display: none !important;
}

.table-materials {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table-materials th, .table-materials td {
    border: 1px solid #000;
    padding: 8px;
    text-align: left;
}

.table-materials th {
    background-color: #f2f2f2;
}

.text-right {
    text-align: right !important;
}

.totals-section {
    margin-top: auto;
    border-top: 2px solid #000;
    padding-top: 15px;
    font-size: 1.2rem;
    line-height: 1.8;
}

.total-row {
    display: flex;
    justify-content: space-between;
}

#row-multiplos {
    font-style: italic;
    color: #555;
}

.grand-total {
    font-weight: bold;
    font-size: 1.4rem;
    margin-top: 5px;
    padding-top: 5px;
    border-top: 1px solid #000;
}

/* Responsividade para Celular */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    .preview-side {
        padding: 20px;
    }
}

/* Configuração de Impressão */
@media print {
    body { background: white; padding: 0; }
    .form-side { display: none; }
    .preview-side { border: none; box-shadow: none; width: 100%; padding: 0; }
    .container { display: block; }
}

/* Ajuste para o menu global */
.topbar {
    top: 64px;
}