:root {
    /* ==========================================================================
       VARIABLES LOCALES (MODIFICAR AQUÍ PARA CAMBIAR EL TEMA GLOBALMENTE)
       ========================================================================== */
       
    /* Colores Principales */
    --bg-app: #F4F7FE;
    --bg-sidebar: #111C44;
    --primary: #0052FF;
    --primary-light: #E2E8F0;
    
    /* Colores de Estado */
    --success: #01B574;
    --warning: #FFCE20;
    --danger: #EE5D50;
    --info: #00B5D8;
    
    /* Textos */
    --text-main: #2B3674;
    --text-muted: #A3AED0;
    --sidebar-text: #A0AEC0;
    --sidebar-text-active: #FFFFFF;
    
    /* Fondos y Bordes */
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    --sidebar-hover: rgba(255, 255, 255, 0.05);
    
    /* Medidas y Layout (Ocupación de pantalla) */
    --sidebar-width: 260px; /* Ancho del menú lateral */
    --header-height: 85px;  /* Alto de la barra superior */
    --content-padding: 24px; /* Espaciado general del contenido */
    
    /* Radios de borde (Redondeo) */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-card: 0px 18px 40px rgba(112, 144, 176, 0.12);
    --shadow-soft: 0px 4px 12px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-app);
    color: var(--text-main);
    overflow: hidden;
}

/* App Container */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    z-index: 10;
}

.sidebar-header {
    padding: 30px 24px;
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon-wrapper {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.logo h1 {
    color: white;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0 16px;
    gap: 8px;
    margin-top: 20px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 15px;
    transition: all 0.2s ease;
    position: relative;
}

.nav-item i {
    font-size: 20px;
}

.nav-item:hover {
    background-color: var(--sidebar-hover);
    color: var(--sidebar-text-active);
}

.nav-item.active {
    background-color: var(--primary);
    color: white;
}

.badge {
    background-color: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: auto;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.system-status {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.status-indicator.online {
    background-color: var(--success);
    box-shadow: 0 0 0 4px rgba(1, 181, 116, 0.2);
}

.status-text {
    display: flex;
    flex-direction: column;
}
.status-title {
    color: white;
    font-size: 13px;
    font-weight: 600;
}
.status-subtitle {
    font-size: 11px;
    color: var(--text-muted);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.user-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}
.user-name {
    color: white;
    font-size: 14px;
    font-weight: 600;
}
.user-company {
    font-size: 12px;
    color: var(--text-muted);
}
.user-profile i {
    color: var(--sidebar-text);
}

/* Main Content Area */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header */
.top-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    background-color: transparent;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: var(--radius-full);
    padding: 10px 20px;
    gap: 10px;
    box-shadow: var(--shadow-soft);
}

.search-bar input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    width: 250px;
    font-family: inherit;
    color: var(--text-main);
}
.search-bar input::placeholder {
    color: var(--text-muted);
}
.search-bar i {
    color: var(--text-muted);
    font-size: 18px;
}

.header-widget {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: white;
    padding: 10px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    box-shadow: var(--shadow-soft);
}
.header-widget i {
    color: var(--text-muted);
    font-size: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 82, 255, 0.3);
}
.btn-primary:hover {
    background-color: #0043D6;
    transform: translateY(-1px);
}

/* View Container */
.view-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0 var(--content-padding) var(--content-padding) var(--content-padding);
    display: flex;
    flex-direction: column;
}

/* Utilities for Layout */
.card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--content-padding);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}

/* Grid Layouts for Views - Optimized for PC Screens */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--content-padding);
    margin-bottom: var(--content-padding);
}
.dashboard-main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--content-padding);
    margin-bottom: var(--content-padding);
    min-height: 450px; /* Permite que el mapa ocupe buen espacio vertical */
}
.dashboard-main .card {
    height: 100%;
}
.dashboard-bottom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--content-padding);
    flex: 1; /* Permite que la parte de abajo crezca si sobra pantalla */
}

/* KPI Cards */
.kpi-card {
    display: flex;
    align-items: center;
    gap: 16px;
}
.kpi-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}
.kpi-icon.blue { background-color: #F4F7FE; color: var(--primary); }
.kpi-icon.green { background-color: #F0FDF4; color: var(--success); }
.kpi-icon.red { background-color: #FEF2F2; color: var(--danger); }
.kpi-icon.warning { background-color: #FFFBEB; color: var(--warning); }

.kpi-content {
    flex: 1;
}
.kpi-value-row {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}
.kpi-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}
.kpi-trend {
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 4px;
}
.kpi-trend.positive { color: var(--success); }
.kpi-trend.negative { color: var(--danger); }
.kpi-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Specific Circular Progress */
.circular-progress {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: conic-gradient(var(--success) 78%, #E2E8F0 0);
    display: flex;
    align-items: center;
    justify-content: center;
}
.circular-progress::before {
    content: "";
    position: absolute;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: white;
}
.circular-value {
    position: relative;
    font-weight: 700;
    font-size: 16px;
    color: var(--text-main);
}

/* Card Titles */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}
.card-actions {
    display: flex;
    gap: 12px;
}
.badge-pill {
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}
.badge-pill.active { background-color: #EBF4FF; color: var(--primary); }
.badge-pill.outline { border: 1px solid var(--border-color); color: var(--text-muted); background: white;}

/* Maps */
.map-container {
    width: 100%;
    flex: 1; /* El mapa tomará todo el alto de la tarjeta contenedora */
    min-height: 350px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    z-index: 1; /* For leaflet */
}
.map-legend {
    position: absolute;
    top: 20px;
    right: 20px;
    background: white;
    padding: 10px 16px;
    border-radius: var(--radius-full);
    display: flex;
    gap: 16px;
    z-index: 1000;
    box-shadow: var(--shadow-soft);
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-main);
}
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.dot.green { background-color: var(--success); }
.dot.warning { background-color: var(--warning); }
.dot.red { background-color: var(--danger); }
.dot.blue { background-color: var(--primary); }

/* IA Recommendations */
.ai-recommendation-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    cursor: pointer;
    transition: all 0.2s;
}
.ai-recommendation-card:hover {
    border-color: var(--primary);
    background-color: #F8FAFC;
}
.ai-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.ai-icon.red { background-color: #FEF2F2; color: var(--danger); }
.ai-icon.blue { background-color: #EFF6FF; color: var(--primary); }
.ai-icon.green { background-color: #F0FDF4; color: var(--success); }

.ai-content h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-main);
}
.ai-content p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}
.ai-arrow {
    margin-left: auto;
    color: var(--text-muted);
}
.ai-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(90deg, #F0F6FF 0%, #F8FAFC 100%);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-top: 20px;
}
.ai-footer i {
    color: var(--primary);
    font-size: 18px;
}
.ai-footer p {
    font-size: 12px;
    color: var(--text-main);
    line-height: 1.4;
}

/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th {
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}
td {
    padding: 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
}
tr:last-child td {
    border-bottom: none;
}
tr:hover td {
    background-color: #F8FAFC;
}
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}
.status-badge.ontime { color: var(--success); }
.status-badge.risk { color: var(--warning); }
.status-badge.delayed { color: var(--danger); }
.status-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.status-badge.ontime::before { background-color: var(--success); }
.status-badge.risk::before { background-color: var(--warning); }
.status-badge.delayed::before { background-color: var(--danger); }

/* Progress bar in table */
.progress-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}
.progress-bar-bg {
    width: 60px;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    border-radius: 3px;
}
.progress-bar-fill.blue { background-color: var(--primary); }
.progress-bar-fill.green { background-color: var(--success); }

/* Chart Container */
.chart-container {
    flex: 1; /* Se expande para llenar la tarjeta */
    min-height: 250px;
    width: 100%;
}

/* Operation View Layout */
.operation-layout {
    display: grid;
    grid-template-columns: minmax(600px, 1fr) 400px; /* Mejor uso del espacio en PC anchos */
    gap: var(--content-padding);
    flex: 1;
}

/* Filters */
.filters-row {
    display: flex;
    gap: 12px;
}
.filter-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 13px;
    font-weight: 500;
    outline: none;
    background: white;
}

/* Side Panel Detail */
.detail-panel {
    border: 1px solid var(--primary);
}
.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}
.detail-id {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}
.id-icon {
    width: 48px;
    height: 48px;
    background-color: #EFF6FF;
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}
.id-info h2 {
    font-size: 24px;
    margin-bottom: 4px;
}
.id-info p {
    font-size: 13px;
    color: var(--text-muted);
}
.detail-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.info-icon {
    width: 32px;
    height: 32px;
    background-color: #F8FAFC;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}
.info-text span {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
}
.info-text p {
    font-size: 13px;
    font-weight: 600;
}
.timeline {
    margin-top: 24px;
    position: relative;
    padding-left: 20px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 0;
    width: 2px;
    background-color: var(--border-color);
}
.timeline-item {
    position: relative;
    margin-bottom: 24px;
}
.timeline-dot {
    position: absolute;
    left: -20px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: white;
    border: 3px solid var(--border-color);
    z-index: 2;
}
.timeline-item.completed .timeline-dot {
    border-color: var(--success);
    background-color: var(--success);
}
.timeline-item.current .timeline-dot {
    border-color: var(--primary);
}
.timeline-content h4 {
    font-size: 14px;
    margin-bottom: 4px;
}
.timeline-content p {
    font-size: 12px;
    color: var(--text-muted);
}
.timeline-item.completed h4 {
    color: var(--success);
}
.timeline-item.current h4 {
    color: var(--primary);
}