/**
 * Premium Alerts System - CSS
 * ========================================
 * 
 * Estilo premium para o sistema de alertas inteligente
 * Layout 3-tier: Header + Stats Cards + Expandable List
 * 
 * @created 2025-01-09
 * @author Dashboard Monitoramento
 */

/* ========== CONTAINER PRINCIPAL ========== */
.alerts-premium-container {
    padding: 24px;
    background: linear-gradient(135deg, rgba(17,24,39,0.95) 0%, rgba(31,41,55,0.95) 100%);
    border-radius: 16px;
    min-height: 600px;
}

/* ========== HEADER SECTION ========== */
.alerts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(255,255,255,0.1);
}

.alerts-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.badge-total {
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(59,130,246,0.2) 0%, rgba(147,51,234,0.2) 100%);
    border: 2px solid rgba(59,130,246,0.5);
    border-radius: 24px;
    color: #60a5fa;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(59,130,246,0.2);
}

/* ========== STATS CARDS GRID ========== */
.alert-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.alert-stat-card {
    padding: 28px 24px;
    border-radius: 16px;
    text-align: center;
    background: rgba(255,255,255,0.03);
    border: 2px solid;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.alert-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.alert-stat-card:hover::before {
    opacity: 1;
}

.alert-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.4);
}

/* Cores por severidade */
.alert-stat-card.critical {
    border-color: #ef4444;
    background: linear-gradient(135deg, rgba(239,68,68,0.05) 0%, rgba(220,38,38,0.02) 100%);
}

.alert-stat-card.critical:hover {
    border-color: #f87171;
    box-shadow: 0 12px 28px rgba(239,68,68,0.3);
}

.alert-stat-card.warning {
    border-color: #f59e0b;
    background: linear-gradient(135deg, rgba(245,158,11,0.05) 0%, rgba(217,119,6,0.02) 100%);
}

.alert-stat-card.warning:hover {
    border-color: #fbbf24;
    box-shadow: 0 12px 28px rgba(245,158,11,0.3);
}

.alert-stat-card.info {
    border-color: #3b82f6;
    background: linear-gradient(135deg, rgba(59,130,246,0.05) 0%, rgba(37,99,235,0.02) 100%);
}

.alert-stat-card.info:hover {
    border-color: #60a5fa;
    box-shadow: 0 12px 28px rgba(59,130,246,0.3);
}

/* Ícone do card */
.stat-icon {
    font-size: 48px;
    margin-bottom: 12px;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

/* Contador */
.stat-count {
    font-size: 42px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

/* Label */
.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========== EXPANDABLE ALERTS LIST ========== */
.alerts-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.alert-card {
    border-radius: 12px;
    border-left: 4px solid;
    background: rgba(255,255,255,0.03);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.alert-card:hover {
    background: rgba(255,255,255,0.06);
    transform: translateX(8px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

/* Cores de borda por severidade */
.alert-card.critical {
    border-left-color: #ef4444;
}

.alert-card.warning {
    border-left-color: #f59e0b;
}

.alert-card.info {
    border-left-color: #3b82f6;
}

/* Header do alerta (clicável) */
.alert-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.alert-header:hover {
    background: rgba(255,255,255,0.04);
}

.alert-icon {
    font-size: 24px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.alert-title {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.4;
}

.alert-severity-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    flex-shrink: 0;
}

/* Badges por severidade */
.alert-card.critical .alert-severity-badge {
    background: rgba(239,68,68,0.2);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,0.5);
}

.alert-card.warning .alert-severity-badge {
    background: rgba(245,158,11,0.2);
    color: #fcd34d;
    border: 1px solid rgba(245,158,11,0.5);
}

.alert-card.info .alert-severity-badge {
    background: rgba(59,130,246,0.2);
    color: #93c5fd;
    border: 1px solid rgba(59,130,246,0.5);
}

.alert-service {
    padding: 4px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
    flex-shrink: 0;
}

.alert-company {
    padding: 4px 12px;
    background: rgba(147,51,234,0.1);
    border: 1px solid rgba(147,51,234,0.3);
    border-radius: 8px;
    font-size: 12px;
    color: #c084fc;
    font-weight: 500;
    flex-shrink: 0;
}

.alert-expand-icon {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    transition: transform 0.3s;
    flex-shrink: 0;
}

/* Detalhes expandíveis */
.alert-details {
    padding: 0 24px 20px 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    overflow: hidden;
}

/* Estado expandido */
.alert-details[style*="display: block"] {
    max-height: 2000px !important;
    opacity: 1 !important;
}

/* Estado colapsado */
.alert-details[style*="display: none"] {
    max-height: 0 !important;
    opacity: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 1000px;
    }
}

.alert-description {
    margin-top: 16px;
    margin-bottom: 16px;
}

.alert-description p {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* Itens afetados */
.alert-affected-items {
    margin-bottom: 16px;
    padding: 16px;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    border-left: 3px solid rgba(59,130,246,0.5);
}

.alert-affected-items strong {
    display: block;
    color: #60a5fa;
    font-size: 13px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.alert-affected-items ul {
    margin: 0;
    padding-left: 20px;
    list-style: none;
}

.alert-affected-items li {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    line-height: 1.8;
    position: relative;
    padding-left: 16px;
}

.alert-affected-items li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: rgba(59,130,246,0.6);
}

/* Recomendação */
.alert-recommendation {
    padding: 16px;
    background: linear-gradient(135deg, rgba(245,158,11,0.1) 0%, rgba(217,119,6,0.05) 100%);
    border-radius: 8px;
    border-left: 3px solid rgba(245,158,11,0.6);
    margin-bottom: 16px;
}

.alert-recommendation strong {
    display: block;
    color: #fbbf24;
    font-size: 13px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.alert-recommendation p {
    color: rgba(255,255,255,0.8);
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}

/* Meta informações */
.alert-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.alert-timestamp {
    color: rgba(255,255,255,0.5);
    font-size: 12px;
}

.alert-count-badge {
    padding: 4px 12px;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 12px;
    color: #93c5fd;
    font-size: 11px;
    font-weight: 600;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .alert-stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .alert-stat-card {
        padding: 20px 16px;
    }

    .stat-icon {
        font-size: 36px;
    }

    .stat-count {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .alerts-premium-container {
        padding: 16px;
    }

    .alerts-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .alerts-header h2 {
        font-size: 22px;
    }

    .alert-stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .alert-header {
        flex-wrap: wrap;
        padding: 16px;
        gap: 12px;
    }

    .alert-title {
        width: 100%;
        order: 1;
    }

    .alert-severity-badge,
    .alert-service,
    .alert-company {
        order: 2;
    }

    .alert-expand-icon {
        order: 3;
    }

    .alert-details {
        padding: 0 16px 16px 16px;
    }
}

@media (max-width: 480px) {
    .stat-count {
        font-size: 28px;
    }

    .stat-label {
        font-size: 12px;
    }

    .alert-title {
        font-size: 14px;
    }
}