/* Analytics Avanzado - Tema Claro Clean & Dynamic */
#page-analytics {
    /* Paleta clara y variables de acento (azul corporativo) */
    --bg: #f8f9fa;
    --surface: #ffffff;
    --surface-2: #f8f9fa;
    --border: #e9ecef;
    --text: #212529;
    --muted: #6c757d;
    --accent: #dc3545;
    --accent-2: #c82333;
    --positive: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --radius: 12px;
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
    --shadow: 0 6px 18px rgba(0,0,0,0.08);
    --shadow-lg: 0 14px 30px rgba(0,0,0,0.12);

    /* Alinear variables usadas por analytics_unified.css */
    --an-bg: var(--bg);
    --an-surface: var(--surface);
    --an-surface-2: var(--surface-2);
    --an-border: var(--border);
    --an-text: var(--text);
    --an-muted: var(--muted);
    --an-accent: var(--accent);
    --an-accent-2: var(--accent-2);
    --an-radius: var(--radius);
    --an-shadow: var(--shadow);

    color: var(--text);
    background: var(--bg);
}

#page-analytics .container { padding: 24px; }

/* Microanimaciones base y accesibilidad */
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { 100% { transform: translateX(100%); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ---------- Barra de Filtros ---------- */
#page-analytics .filters-bar {
    position: sticky;
    top: 12px;
    z-index: 5;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 12px;
    animation: fadeUp .4s ease both;
}
#page-analytics .filter-label { color: var(--muted); }
#page-analytics .filter-input {
    background: #ffffff;
    color: var(--text);
    border: 1px solid #dee2e6;
    border-radius: 10px;
    height: 40px;
    padding: 8px 12px;
    transition: all .25s ease;
}
#page-analytics .filter-input:hover { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,123,255,0.08); }
#page-analytics .filter-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(0,123,255,0.18); }

/* Opción Custom Range clara */
#page-analytics #adv-custom-range { background: transparent; }
#page-analytics #adv-custom-range .filter-input { background: #ffffff; }

/* Dropdowns (si existen) */
#page-analytics .dropdown-menu { background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
#page-analytics .dropdown-item { color: var(--text); transition: background-color .2s ease; }
#page-analytics .dropdown-item:hover { background: rgba(220,53,69,0.08); }

/* ---------- KPIs ---------- */
#page-analytics .kpi-grid { gap: 22px; }
#page-analytics .kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    animation: fadeUp .45s ease both;
}
#page-analytics .kpi-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
#page-analytics .kpi-title { color: var(--muted); font-size: 13px; }
#page-analytics .kpi-value { color: var(--text); font-weight: 800; letter-spacing: 0.3px; font-size: 36px; line-height: 1.15; }
#page-analytics .kpi-icon { opacity: .7; font-size: 22px; }
/* Eliminar emoji gigante de fondo en KPIs */
#page-analytics .kpi-card .kpi-icon::after { content: none; }

/* Badges KPI */
#page-analytics .kpi-change { background: #e2e3e5; color: #6c757d; border-radius: 999px; padding: 2px 8px; font-weight: 600; }
#page-analytics .kpi-change.positive { background: #d4edda; color: #155724; }
#page-analytics .kpi-change.negative { background: #f8d7da; color: #721c24; }
#page-analytics .kpi-change.neutral { background: #e2e3e5; color: #6c757d; }

/* ---------- Tarjetas de Gráficos ---------- */
#page-analytics .charts-grid { gap: 26px; }
#page-analytics .chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    animation: fadeUp .5s ease both;
}
#page-analytics .chart-title { color: var(--text); font-weight: 700; }
#page-analytics .app-header .header-title { 
    color: #212529; 
    font-feature-settings: "liga" 1, "kern" 1;
    font-variant-emoji: emoji;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
#page-analytics .app-header .header-subtitle { color: #6c757d; }
#page-analytics .chart-card canvas { background: transparent; transition: filter .25s ease, transform .25s ease; }
#page-analytics .chart-card:hover canvas { transform: scale(1.01); }

/* Animación de línea roja en borde superior al hover */
#page-analytics .kpi-card::before,
#page-analytics .chart-card::before,
#page-analytics .insight-card::before,
#page-analytics .table-container::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: var(--radius) var(--radius) 0 0;
    opacity: .95;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
}
#page-analytics .kpi-card:hover::before,
#page-analytics .chart-card:hover::before,
#page-analytics .insight-card:hover::before,
#page-analytics .table-container:hover::before { transform: scaleX(1); }

/* Realce superior con gradiente de acento */
#page-analytics .kpi-card::before,
#page-analytics .chart-card::before,
#page-analytics .insight-card::before,
#page-analytics .table-container::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: var(--radius) var(--radius) 0 0;
    opacity: .95;
}

/* Indicadores para gráficos (usados por JS si aplica) */
#page-analytics .chart-container { --area-fill-from: rgba(220,53,69,0.26); --area-fill-to: rgba(220,53,69,0.02); }
#page-analytics .chart-tooltip { background: #ffffff; border: 1px solid var(--border); box-shadow: var(--shadow); color: var(--text); border-radius: 8px; padding: 8px 10px; }
#page-analytics .donut-legend .legend-item { transition: opacity .2s ease; }
#page-analytics .donut-legend .legend-item.dimmed { opacity: .5; }

/* ---------- Tabla ---------- */
#page-analytics .table-container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    animation: fadeUp .55s ease both;
}
#page-analytics .table { color: var(--text); border-collapse: separate; border-spacing: 0; }
#page-analytics .table th { background: var(--surface-2); color: var(--text); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1; }
#page-analytics .table td { border-bottom: 1px solid #f1f3f4; }
#page-analytics .table tr:nth-child(even) { background: #f8f9fa; }
#page-analytics .table tr:hover { background: rgba(220,53,69,0.06); box-shadow: inset 3px 0 0 0 var(--accent); }
#page-analytics .table td:nth-child(2),
#page-analytics .table td:nth-child(3),
#page-analytics .table td:nth-child(4) { text-align: right; }

/* ---------- Insights ---------- */
#page-analytics .insights-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
#page-analytics .insight-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: relative;
    animation: fadeUp .6s ease both;
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 8px;
    padding: 14px;
}
#page-analytics .insight-title { color: var(--text); font-weight: 700; font-size: 15px; display:flex; align-items:center; gap:8px; }
#page-analytics .insight-content { color: var(--text); font-size: 14px; line-height: 1.5; }
/* Emojis principales al inicio del título de cada sección */
#page-analytics .insights-grid .insight-card:nth-child(1) .insight-title::before { content: '💡'; display:inline-block; }
#page-analytics .insights-grid .insight-card:nth-child(2) .insight-title::before { content: '⚠️'; display:inline-block; }
#page-analytics .insights-grid .insight-card:nth-child(3) .insight-title::before { content: '🎯'; display:inline-block; }
/* Evitar emojis duplicados en el contenido */
#page-analytics #adv-insight-main::before,
#page-analytics #adv-insight-alerts::before,
#page-analytics #adv-insight-recos::before { content: none; }

/* Badges y listas limpias para alertas/recomendaciones */
#page-analytics #adv-insight-alerts {
    display: grid; gap: 6px;
}
#page-analytics #adv-insight-alerts .badge {
    display: inline-block; background: #fff5f5; color: #b91c1c; border: 1px solid #fecaca; border-radius: 8px; padding: 6px 10px; font-size: 13px;
}
#page-analytics #adv-insight-recos {
    display: grid; gap: 6px;
}
#page-analytics #adv-insight-recos .badge {
    display: inline-block; background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; border-radius: 8px; padding: 6px 10px; font-size: 13px;
}

/* ---------- Loading y Skeleton ---------- */
#page-analytics #adv-analytics-loading { display: none; align-items: center; justify-content: center; padding: 16px; gap: 10px; color: var(--muted); }
#page-analytics #adv-analytics-loading::before { content: ''; width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(0,0,0,0.08); border-top-color: var(--accent); animation: spin .9s linear infinite; }
#page-analytics .skeleton { position: relative; overflow: hidden; background: #eef1f3; border-radius: var(--radius); }
#page-analytics .skeleton::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.55), rgba(255,255,255,0)); transform: translateX(-100%); animation: shimmer 1.2s infinite; }

/* ---------- Botones ---------- */
#page-analytics .btn { background: var(--accent); border: 1px solid var(--accent); color: #fff; transition: transform .18s ease, box-shadow .25s ease, background-color .2s ease, border-color .2s ease; }
#page-analytics .btn.outline { background: transparent; color: var(--accent); border-color: var(--accent); }
#page-analytics .btn:hover { background: var(--accent-2); border-color: var(--accent-2); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(220,53,69,0.18); }
#page-analytics .btn:active { transform: translateY(0); box-shadow: 0 4px 14px rgba(220,53,69,0.16); }

/* ---------- Secciones y títulos ---------- */
#page-analytics .section-title { color: var(--text); font-size: 20px; font-weight: 700; position: relative; }
#page-analytics .section-title::before { content: ''; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 2px; background: var(--accent); vertical-align: middle; }

/* Accesibilidad: foco visible */
#page-analytics .filter-input:focus,
#page-analytics .btn:focus-visible,
#page-analytics .dropdown-item:focus-visible { outline: 3px solid rgba(220,53,69,0.35); outline-offset: 2px; }

/* Parallax muy sutil sobre charts */
#page-analytics .chart-card:hover { transform: translateY(-2px) scale(1.01); }

/* ---------- Estados/Clases para interacciones de gráficos ---------- */
/* Donut: segmento activo expande (si SVG) y atenúa el resto */
#page-analytics .donut-chart .segment { transition: transform .25s ease, opacity .2s ease; transform-origin: center; }
#page-analytics .donut-chart .segment.is-hovered { transform: scale(1.04); }
#page-analytics .donut-chart.dim-others .segment:not(.is-hovered) { opacity: .55; }

/* Area chart: cursor y tooltip flotante configurable por JS */
#page-analytics .area-chart { cursor: crosshair; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    #page-analytics .charts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    #page-analytics .kpi-grid { grid-template-columns: 1fr; }
    #page-analytics .filters-grid { grid-template-columns: 1fr; }
}