:root {
    --bg-body: #f1f5f9;       /* Fundo geral: Cinza muito claro, limpo */
    --bg-card: #ffffff;       /* Fundo dos cartões: Branco absoluto */
    --primary-navy: #0f172a;  /* Azul Marinho Corporativo Sólido */
    --secondary-slate: #334155;/* Cinza Ardósia para textos base */
    --accent-blue: #2563eb;   /* Azul Técnico para links e destaques */
    --border-light: #e2e8f0;  /* Bordas sutis */
    
    /* Cores de Status de Dados */
    --status-green: #059669;  /* Normal / Seguro */
    --status-orange: #ea580c; /* Alerta */
    --status-red: #dc2626;    /* Crítico */
}

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

body {
    background-color: var(--bg-body);
    color: var(--secondary-slate);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 92%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Tipografia Técnica */
.mono { font-family: 'Roboto Mono', monospace; }

/* Top Bar Corporativa */
.corporate-top-bar {
    background-color: var(--primary-navy);
    color: #cbd5e1;
    font-size: 0.75rem;
    padding: 0.5rem 0;
    font-family: 'Roboto Mono', monospace;
}

.top-bar-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.live-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Cabeçalho */
.site-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
    padding: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-block h1 {
    font-size: 1.8rem;
    color: var(--primary-navy);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-block h1 span { color: var(--status-green); }

.logo-block p {
    font-size: 0.8rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.main-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--primary-navy);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.main-nav a.active, .main-nav a:hover { color: var(--accent-blue); }

.btn-corporate {
    background-color: var(--primary-navy);
    color: #fff !important;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Área Principal - Dashboard */
.dashboard-main { padding: 4rem 0; }

.section-heading {
    margin-bottom: 3rem;
    max-width: 800px;
}

.section-heading h2 {
    font-size: 2.2rem;
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

.section-heading p { font-size: 1.1rem; color: #475569; }

/* Grid de Sinais Vitais */
.vital-signs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.vital-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    display: flex;
    flex-direction: column;
}

.card-header {
    padding: 1.2rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-tag {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    color: #fff;
}
.category-tag.blue { background-color: var(--accent-blue); }
.category-tag.orange { background-color: var(--status-orange); }
.category-tag.red { background-color: var(--status-red); }
.category-tag.green { background-color: var(--status-green); }

.source-tag {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.65rem;
    color: #64748b;
    font-weight: 600;
}

.card-body { padding: 1.5rem 1.2rem; }

.card-body h3 {
    font-size: 1.1rem;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.live-data {
    margin-bottom: 1rem;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.data-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-navy);
    line-height: 1;
}

.data-value.alert { color: var(--status-orange); }
.data-value.critical { color: var(--status-red); }

.data-unit {
    font-size: 1rem;
    color: #64748b;
    font-weight: 600;
}

.data-status {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: 'Roboto Mono', monospace;
}

.status-normal { background: #d1fae5; color: #065f46; border: 1px solid #10b981; }
.status-alert { background: #ffedd5; color: #9a3412; border: 1px solid #f97316; }
.status-critical { background: #fee2e2; color: #991b1b; border: 1px solid #ef4444; }

.card-footer {
    padding: 1.2rem;
    background-color: #f8fafc;
    border-top: 1px solid var(--border-light);
    font-size: 0.85rem;
    color: #475569;
    flex-grow: 1;
}

/* Concatenação e Logs em Tabela */
.concat-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 2rem;
}

.concat-header { margin-bottom: 2rem; }
.concat-header h3 { font-size: 1.5rem; color: var(--primary-navy); margin-bottom: 0.5rem; }

.log-container { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th, .data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.data-table th {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.8rem;
    color: #64748b;
    background-color: #f8fafc;
}

.badge {
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}
.badge-info { background-color: #e0f2fe; color: #0284c7; }
.badge-warning { background-color: #fef3c7; color: #d97706; }
.badge-danger { background-color: #fee2e2; color: #dc2626; }

/* Rodapé Corporativo */
.corporate-footer {
    background-color: var(--primary-navy);
    color: #94a3b8;
    padding: 4rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.corporate-footer h4 {
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
}

@media(max-width: 900px) {
    .header-grid { flex-direction: column; gap: 1rem; text-align: center; }
    .main-nav { flex-wrap: wrap; justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; }
}