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

:root {
    /* Colores principales */
    --primary-purple: #180779;
    --primary-purple-dark: #3e46d7;
    --primary-purple-light: #6268e3;
    
    /* Acentos vibrantes */
    --accent-orange: #FF7675;
    --accent-coral: #FF6B6B;
    --accent-cyan: #4ECDC4;
    --accent-pink: #FD79A8;
    --success-green: #00D2A0;
    --warning-yellow: #FDCB6E;
    --danger-red: #FF7675;
    
    /* Fondos */
    --bg-light: #F5F6FA;
    --bg-white: #FFFFFF;
    --bg-purple-gradient: linear-gradient(180deg, #180779 0%, #10006D 100%);
    
    /* Texto */
    --text-dark: #2D3436;
    --text-medium: #636E72;
    --text-light: #ABAEAF;
    
    /* Sombras suaves */
    --shadow: 0 2px 8px rgba(108, 92, 231, 0.08);
    --shadow-hover: 0 8px 32px rgba(108, 92, 231, 0.2);
    
    /* Espaciado responsive */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== HEADER ========== */
.header {
    position: relative;
    background: var(--bg-purple-gradient);
    color: white;
    padding: 2rem 2rem 1rem;
    text-align: left;
    box-shadow: var(--shadow);
}

.header .logo {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    width: 300px;
    height: auto;
    object-fit: contain;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.header p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ========== NAVEGACIÓN DESKTOP ========== */
.desktop-nav {
    display: flex;
    gap: 0.5rem;
    padding: 0 2rem;
    background: white;
    border-bottom: 2px solid #E0E0E0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.desktop-nav::-webkit-scrollbar {
    height: 3px;
}

.desktop-nav::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.desktop-nav::-webkit-scrollbar-thumb {
    background: var(--primary-purple-light);
    border-radius: 3px;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-height: 48px; /* Touch target mínimo */
}

.nav-tab:hover {
    color: var(--primary-purple);
    background: rgba(108, 92, 231, 0.05);
}

.nav-tab.active {
    color: var(--primary-purple);
    border-bottom-color: var(--primary-purple);
    font-weight: 600;
}

.nav-tab i {
    flex-shrink: 0;
}

/* ========== NAVEGACIÓN MÓVIL ========== */
.mobile-nav {
    display: none;
    background: white;
    border-bottom: 2px solid #E0E0E0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.mobile-nav-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: white;
    border: none;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    min-height: 56px; /* Touch target generoso */
    gap: 0.75rem;
}

.mobile-nav-toggle:active {
    background: rgba(108, 92, 231, 0.05);
}

.mobile-nav-toggle .chevron {
    transition: transform 0.3s ease;
}

.mobile-nav-toggle.active .chevron {
    transform: rotate(180deg);
}

.mobile-nav-dropdown {
    display: none;
    background: white;
    border-top: 1px solid #E0E0E0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-nav-dropdown.active {
    display: block;
    max-height: 400px;
}

.mobile-nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: white;
    border: none;
    border-bottom: 1px solid #f0f0f0;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-medium);
    cursor: pointer;
    text-align: left;
    min-height: 52px; /* Touch target */
    transition: all 0.2s ease;
}

.mobile-nav-item:active {
    background: rgba(108, 92, 231, 0.1);
}

.mobile-nav-item.active {
    background: rgba(108, 92, 231, 0.05);
    color: var(--primary-purple);
    font-weight: 600;
    border-left: 4px solid var(--primary-purple);
}

.mobile-nav-item i {
    flex-shrink: 0;
}

/* ========== CONTAINER ========== */
.container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.panel {
    display: none;
}

.panel.active {
    display: block;
    animation: fadeIn 0.4s ease-in;
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

.panel-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-title::before {
    content: '';
    width: 4px;
    height: 30px;
    background: var(--primary-purple);
    border-radius: 2px;
}

/* ========== KPI CARDS ========== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.kpi-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 120px;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--card-color) 0%, transparent 100%);
}

.kpi-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.kpi-card.green { --card-color: var(--success-green); }
.kpi-card.blue { --card-color: var(--primary-purple); }
.kpi-card.orange { --card-color: var(--warning-yellow); }
.kpi-card.purple { --card-color: var(--accent-pink); }
.kpi-card.red { --card-color: var(--danger-red); }
.kpi-card.cyan { --card-color: var(--accent-cyan); }

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.kpi-icon {
    font-size: 2rem;
    opacity: 0.4;
    flex-shrink: 0;
}

.kpi-icon svg {
    width: 32px;
    height: 32px;
    stroke: currentColor;
}

.alert-icon svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
}

.kpi-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0.5rem 0;
    line-height: 1.2;
}

.kpi-change {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-green);
}

.kpi-change.negative {
    background: rgba(229, 57, 53, 0.1);
    color: var(--danger-red);
}

/* ========== CHARTS ========== */
.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.chart-grid-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.chart-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: var(--shadow);
    min-height: 350px;
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.chart-container {
    position: relative;
    height: 300px;
    min-height: 300px;
    width: 100%;
}

.chart-container canvas {
    max-width: 100%;
    max-height: 100%;
    display: block !important;
}

.chart-container.tall {
    height: 500px;
    min-height: 400px;
}

/* ========== COMPARISON BARS ========== */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.comparison-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.comparison-header {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.comparison-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(90deg, rgba(108, 92, 231, 0.08) 0%, transparent 100%);
    border-radius: 12px;
}

.comparison-label {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.comparison-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-purple);
}

/* ========== TABLES ========== */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.desktop-table {
    display: block;
}

.mobile-cards {
    display: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

thead {
    background: var(--bg-purple-gradient);
    color: white;
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
}

td {
    padding: 1rem;
    border-bottom: 1px solid #E0E0E0;
    font-size: 0.9rem;
}

tbody tr:hover {
    background: rgba(108, 92, 231, 0.05);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ========== MOBILE CARDS (Para tablas en móvil) ========== */
.data-card {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-purple);
}

.data-card-header {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.data-card-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.data-card-row:last-child {
    border-bottom: none;
}

.data-card-label {
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 500;
}

.data-card-value {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
}

/* ========== BADGES & ALERTS ========== */
.badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge.success { 
    background: rgba(0, 210, 160, 0.1); 
    color: var(--success-green); 
}

.badge.warning { 
    background: rgba(253, 203, 110, 0.1); 
    color: var(--warning-yellow); 
}

.badge.danger { 
    background: rgba(255, 118, 117, 0.1); 
    color: var(--danger-red); 
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.alert.warning {
    background: rgba(253, 203, 110, 0.1);
    border-left: 4px solid var(--warning-yellow);
    color: #E17055;
}

.alert.danger {
    background: rgba(255, 118, 117, 0.1);
    border-left: 4px solid var(--danger-red);
    color: var(--danger-red);
}

.alert-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ========== RESPONSIVE BREAKPOINTS ========== */

/* Tablets grandes y Desktop */
@media (min-width: 1024px) and (max-width: 1400px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .chart-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    }
}

/* Tablets (768px - 1023px) */
@media (max-width: 1023px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-md: 1rem;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .header {
        text-align: center;
        padding: 1.5rem 1rem 2rem;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .header .logo {
        position: static;
        width: 240px;
        margin-bottom: 1rem;
    }
    
    .header h1 {
        font-size: 1.5rem;
        margin-top: 0;
    }
    
    .header p {
        font-size: 0.9rem;
    }
    
    .chart-grid-summary {
        grid-template-columns: 1fr;
    }
    
    .chart-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Móviles grandes (600px - 767px) */
@media (max-width: 767px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .chart-container {
        height: 280px;
        min-height: 280px;
    }
    
    .chart-container.tall {
        height: 550px;
        min-height: 350px;
    }
    
    .kpi-value {
        font-size: 1.75rem;
    }
    
    .panel-title {
        font-size: 1.25rem;
    }
    
    .panel-title::before {
        height: 24px;
    }
    
    /* Tablas convertidas en cards */
    .desktop-table {
        display: none;
    }
    
    .mobile-cards {
        display: block;
    }
}

/* Móviles medianos (430px - 599px) */
@media (max-width: 599px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .kpi-card {
        padding: 1.25rem;
    }
    
    .comparison-label,
    .comparison-value {
        font-size: 0.85rem;
    }
    
    .comparison-value {
        font-size: 1rem;
    }
}

/* Móviles pequeños (hasta 429px) */
@media (max-width: 429px) {
    .header h1 {
        font-size: 1.25rem;
    }
    
    .header p {
        font-size: 0.8rem;
    }
    
    .header .logo {
        width: 200px;
    }
    
    .mobile-nav-toggle {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }
    
    .mobile-nav-item {
        padding: 0.875rem 1rem;
        font-size: 0.875rem;
    }
    
    .kpi-label {
        font-size: 0.75rem;
    }
    
    .kpi-value {
        font-size: 1.5rem;
    }
    
    .kpi-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .kpi-change {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .chart-title {
        font-size: 0.95rem;
    }
    
    .panel-title {
        font-size: 1.1rem;
    }
    
    .alert {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
    
    .comparison-bar {
        padding: 0.75rem;
    }
    
    .data-card {
        padding: 0.875rem;
    }
    
    .data-card-header {
        font-size: 0.95rem;
    }
}

/* Landscape móvil */
@media (max-height: 500px) and (orientation: landscape) {
    .header {
        padding: 1rem;
    }
    
    .header .logo {
        width: 180px;
    }
    
    .header h1 {
        font-size: 1.25rem;
    }
    
    .chart-container {
        height: 250px;
        min-height: 250px;
    }
    
    .chart-container.tall {
        height: 500px;
        min-height: 300px;
    }
    
    .kpi-card {
        min-height: 100px;
    }
}

/* Optimizaciones de impresión */
@media print {
    .nav-tabs,
    .mobile-nav {
        display: none;
    }
    
    .panel {
        display: block !important;
        page-break-after: always;
    }
    
    .chart-card {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
}

/* Accesibilidad - Modo alto contraste */
@media (prefers-contrast: high) {
    :root {
        --text-light: #666;
        --shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }
    
    .kpi-card,
    .chart-card {
        border: 1px solid #333;
    }
}

/* Reducción de animaciones */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}