/* Definições de Cores e Estilo Geral */
:root {
    --pc-dark: #0d1b2a;
    --pc-sidebar: #1b263b;
    --pc-accent: #2563eb;
    --pc-bg: #f1f5f9;
    --text-main: #1e293b;
}

body {
    background-color: var(--pc-bg);
    color: var(--text-main);
    font-family: 'Source Sans Pro', sans-serif;
    margin: 0;
}

/* Sidebar */
#sidebar {
    width: 260px;
    background-color: var(--pc-sidebar);
    min-height: 100vh;
    color: white;
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
}

.sidebar-header {
    padding: 25px 15px;
    background-color: var(--pc-dark);
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sidebar-logo {
    height: 60px;
    margin-bottom: 10px;
}

.sidebar-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 1.1rem;
}

.sidebar-subtitle {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
}

#sidebar .nav-link {
    color: #cbd5e1;
    padding: 12px 20px;
    margin: 4px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

#sidebar .nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: white;
}

#sidebar .nav-link.active {
    background: var(--pc-accent);
    color: white;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
}

.icon { margin-right: 10px; }

/* Cabeçalho de Conteúdo */
.content-header {
    background: white;
    padding: 15px 30px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
}

.system-label {
    font-weight: 700;
    font-size: 0.85rem;
    color: #64748b;
}

/* Triagem e Pergunta */
#question {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
}

.alert-custom {
    background-color: #f8fafc;
    border-left: 4px solid var(--pc-accent);
    color: #475569;
    font-size: 0.95rem;
}

.btn-option {
    background: white;
    border: 2px solid #e2e8f0;
    color: var(--pc-dark);
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.2s;
}

.btn-option:hover {
    border-color: var(--pc-accent);
    color: var(--pc-accent);
    transform: translateY(-2px);
}

/* Bloco de Notas */
#notepad {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    resize: none;
}

.div-invisivel { display: none !important; }