* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; background: linear-gradient(135deg, #b71c1c 0%, #c62828 100%); min-height: 100vh; padding: 15px; }
.container { max-width: 1000px; margin: 5px auto; background: white; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); overflow: hidden; }
.header { background: linear-gradient(135deg, #b71c1c, #c62828); color: white; padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.header h2 { font-size: 18px; font-weight: 800; }
.header-right { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.btn-back { background: rgba(255,255,255,0.2); color: white; border: 2px solid white; padding: 7px 13px; border-radius: 6px; font-weight: 600; font-size: 13px; text-decoration: none; }
.btn-refresh { background: white; color: #c62828; border: none; padding: 7px 14px; border-radius: 6px; font-weight: 700; font-size: 13px; cursor: pointer; }
.content { padding: 16px 20px; }

/* Summary */
.sum-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.sum-card { border-radius: 10px; padding: 14px; text-align: center; }
.sum-card .lbl { font-size: 11px; font-weight: 700; opacity: 0.9; margin-bottom: 4px; text-transform: uppercase; }
.sum-card .val { font-size: 26px; font-weight: 800; }
.sc-critico { background: #fdecea; color: #c62828; }
.sc-atencao { background: #fff8e1; color: #f57f17; }
.sc-ok { background: #e8f5e9; color: #2e7d32; }

/* Seção */
.secao { margin-bottom: 24px; }
.secao-titulo { font-size: 15px; font-weight: 800; color: #333; padding: 10px 14px; border-radius: 8px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.secao-titulo.critico { background: #fdecea; color: #c62828; }
.secao-titulo.atencao { background: #fff8e1; color: #f57f17; }

/* Card de alerta */
.alerta-card { border-radius: 10px; padding: 14px 16px; margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.alerta-card.critico { background: #fff5f5; border-left: 4px solid #c62828; }
.alerta-card.atencao { background: #fffbf0; border-left: 4px solid #f57f17; }
.alerta-info { flex: 1; }
.alerta-nome { font-size: 14px; font-weight: 800; color: #222; }
.alerta-detalhe { font-size: 12px; color: #888; margin-top: 3px; }
.alerta-valor { font-size: 15px; font-weight: 800; color: #c62828; white-space: nowrap; }
.alerta-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

.btn-ver { background: #c62828; color: white; border: none; padding: 7px 14px; border-radius: 7px; font-size: 12px; font-weight: 700; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn-ver.atencao { background: #f57f17; }
.badge { display: inline-block; padding: 3px 9px; border-radius: 10px; font-size: 11px; font-weight: 700; }
.badge-red { background: #fdecea; color: #c62828; }
.badge-orange { background: #fff3e0; color: #e65100; }

.empty { text-align: center; padding: 30px; color: #aaa; font-size: 14px; }
.tudo-ok { text-align: center; padding: 40px; background: #e8f5e9; border-radius: 12px; color: #2e7d32; }
.tudo-ok .ok-icon { font-size: 48px; margin-bottom: 10px; }
.tudo-ok .ok-texto { font-size: 16px; font-weight: 800; }
.tudo-ok .ok-sub { font-size: 13px; margin-top: 4px; opacity: 0.8; }

.ultima-atualizacao { font-size: 11px; color: #bbb; text-align: right; padding-bottom: 8px; }

@media (max-width: 600px) {
    .sum-grid { grid-template-columns: repeat(2, 1fr); }
    .header { flex-direction: column; }
    .alerta-card { flex-direction: column; align-items: flex-start; }
}
    .version { font-size: 10px; opacity: 0.5; text-align: right; padding: 4px 20px 8px; }