/* ===================================================
   CARD DE ALERTAS OPERACIONAIS - Dashboard
   =================================================== */

/* Card container */
.alertas-card {
    grid-column: span 2 !important;
    /* Ocupa 2 colunas */
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%) !important;
    padding: 0 !important;
    /* Remove padding padrão */
    flex-direction: column !important;
    min-height: 300px;
}

/* Header do card */
.alertas-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.alertas-card .card-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alertas-card .card-title h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Badge de contagem */
.alertas-badge {
    background: var(--accent-red);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 700;
    min-width: 32px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

.alertas-badge.zero {
    background: var(--accent-green);
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
}

/* Conteúdo do card */
.alertas-content {
    padding: 1.5rem;
    max-height: 500px;
    overflow-y: auto;
}

/* Estado vazio */
.alertas-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-secondary);
}

.alertas-empty .empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.4;
    filter: grayscale(30%);
}

.alertas-empty p {
    font-size: 1rem;
    color: var(--text-muted);
    margin: 0;
}

/* Lista de alertas */
.alertas-list {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

/* Item de alerta */
.alerta-item {
    padding: 1.25rem;
    border-left: 4px solid;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid var(--border-color);
    border-left-width: 4px;
}

.alerta-item:hover {
    background: var(--bg-primary);
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
}

.alerta-item.critical {
    border-left-color: var(--accent-red);
}

.alerta-item.warning {
    border-left-color: var(--accent-yellow);
}

.alerta-item.info {
    border-left-color: var(--accent-blue);
}

/* Header do alerta */
.alerta-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.625rem;
}

.alerta-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.3;
    flex: 1;
}

.alerta-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    font-weight: 500;
    opacity: 0.8;
}

/* Mensagem do alerta */
.alerta-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Scrollbar personalizada para o conteúdo */
.alertas-content::-webkit-scrollbar {
    width: 8px;
}

.alertas-content::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.alertas-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.alertas-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Responsivo - Mobile */
@media (max-width: 968px) {
    .alertas-card {
        grid-column: span 1 !important;
    }

    .alertas-content {
        max-height: 400px;
    }

    .alerta-item {
        padding: 1rem;
    }
}

@media (max-width: 640px) {
    .alerta-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .alerta-time {
        font-size: 0.7rem;
    }
}