/* CSS Variables for Enhanced Green-Purple Theme */
:root {
    /* Colores principales */
    --primary-purple: #8b5fbf;
    --primary-green: #27ae60;
    --secondary-purple: #9d6dd0;
    --secondary-green: #2ecc71;
    --accent-purple: #6a4c93;
    --accent-green: #1abc9c;
    
    /* Colores de fondo */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    
    /* Colores de texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    
    /* Colores de borde */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-dark: #94a3b8;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-purple) 0%, var(--secondary-purple) 50%, var(--primary-green) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Estados */
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --info-color: #0284c7;
    
    /* Fuentes */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Mode Variables */
.dark-mode {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --border-light: #334155;
    --border-medium: #475569;
    --border-dark: #64748b;
    
    --gradient-card: linear-gradient(145deg, #1e293b 0%, #334155 100%);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo-icon {
    font-size: 3rem;
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.header-content h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.header-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

/* Theme Switch */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.theme-switch-wrapper span {
    color: var(--text-white);
    font-weight: 500;
    font-size: 0.875rem;
}

.theme-switch {
    position: relative;
    width: 60px;
    height: 30px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.3);
    transition: var(--transition-normal);
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-normal);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

input:checked + .slider {
    background-color: var(--primary-green);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    gap: var(--spacing-sm);
}

.tab-btn:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tab-btn:hover::before {
    left: 0;
}

.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.tab-btn.active::before {
    left: 0;
}

.tab-btn i {
    font-size: 1.25rem;
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeInUp 0.4s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-purple);
}

.header-title h2 {
    font-family: var(--font-heading);
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-title .subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-width: 120px;
    justify-content: center;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--text-white);
}

.btn-export {
    background: linear-gradient(135deg, var(--danger-color) 0%, #ef4444 100%);
    color: var(--text-white);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
    min-width: auto;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #ef4444 100%);
    color: var(--text-white);
}

/* Filters Card */
.filters-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.filters-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.filter-group input,
.filter-group select {
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(139, 95, 191, 0.1);
    transform: translateY(-1px);
}

.filter-group input::placeholder {
    color: var(--text-muted);
}

.filter-actions {
    display: flex;
    align-items: end;
}

/* Table Styles */
.table-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--gradient-primary);
}

th {
    padding: var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    color: var(--text-white);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    position: relative;
}

th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
}

td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
    vertical-align: middle;
}

tbody tr {
    transition: all var(--transition-normal);
    background: var(--bg-secondary);
}

tbody tr:hover {
    background: var(--bg-tertiary);
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
}

tbody tr:nth-child(even) {
    background: var(--bg-primary);
}

tbody tr:nth-child(even):hover {
    background: var(--bg-tertiary);
}

/* Status Badges */
.status-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    display: inline-block;
}

.status-activo {
    background: linear-gradient(135deg, var(--success-color), var(--secondary-green));
    color: white;
}

.status-inactivo {
    background: linear-gradient(135deg, var(--text-muted), #94a3b8);
    color: white;
}

.status-suspendido {
    background: linear-gradient(135deg, var(--danger-color), #ef4444);
    color: white;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-primary::before { background: var(--gradient-primary); }
.stat-success::before { background: var(--gradient-secondary); }
.stat-warning::before { background: linear-gradient(135deg, var(--warning-color), #f59e0b); }
.stat-info::before { background: linear-gradient(135deg, var(--info-color), #3b82f6); }

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-white);
    flex-shrink: 0;
}

.stat-primary .stat-icon { background: var(--gradient-primary); }
.stat-success .stat-icon { background: var(--gradient-secondary); }
.stat-warning .stat-icon { background: linear-gradient(135deg, var(--warning-color), #f59e0b); }
.stat-info .stat-icon { background: linear-gradient(135deg, var(--info-color), #3b82f6); }

.stat-content {
    flex: 1;
}

.stat-content h3 {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.stat-number,
.stat-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.chart-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.chart-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.chart-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.chart-header h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.chart-wrapper {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-wrapper canvas {
    max-height: 100% !important;
    max-width: 100% !important;
}

/* Export Section */
.export-section {
    margin-top: var(--spacing-2xl);
}

.export-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    text-align: center;
}

.export-header {
    margin-bottom: var(--spacing-xl);
}

.export-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.export-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.export-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-card);
    margin: 5vh auto;
    padding: 0;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gradient-primary);
    color: var(--text-white);
}

.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-white);
    transition: all var(--transition-normal);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* Form Styles */
form {
    padding: var(--spacing-xl);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(139, 95, 191, 0.1);
    transform: translateY(-1px);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

/* Loading Spinner */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.loading.hidden {
    display: none;
}

.spinner-container {
    text-align: center;
    color: var(--text-white);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner-container p {
    font-size: 1.125rem;
    font-weight: 500;
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--text-white);
    font-weight: 600;
    z-index: 3000;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xl);
    min-width: 300px;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast.success {
    background: var(--gradient-secondary);
}

.toast.error {
    background: linear-gradient(135deg, var(--danger-color), #ef4444);
}

.toast.info {
    background: linear-gradient(135deg, var(--info-color), #3b82f6);
}

.toast.warning {
    background: linear-gradient(135deg, var(--warning-color), #f59e0b);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-muted);
}

.empty-state h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 1rem;
}

/* Footer */
.footer {
    margin-top: auto;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-info h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--spacing-xs);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

.social-icons {
    display: flex;
    gap: var(--spacing-lg);
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.social-icons a:hover {
    background: var(--secondary-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .logo-section {
        justify-content: center;
    }
    
    .nav-tabs {
        flex-direction: column;
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--spacing-lg);
        align-items: stretch;
    }
    
    .filters {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .modal-content {
        width: 95%;
        margin: 2vh auto;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header-content h1 {
        font-size: 2rem;
    }
    
    .tab-btn {
        flex-direction: column;
        gap: var(--spacing-xs);
        padding: var(--spacing-md);
    }
    
    .tab-btn span {
        font-size: 0.75rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-purple);
}

/* Selection */
::selection {
    background: rgba(139, 95, 191, 0.3);
    color: var(--text-primary);
}

/* Focus Visible */
*:focus-visible {
    outline: 2px solid var(--primary-purple);
    outline-offset: 2px;
}
.tab-btn {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--transition-normal);
    z-index: 0;
}

.tab-btn span,
.tab-btn i {
    position: relative;
    z-index: 1;
    transition: color var(--transition-normal);
}

/* 3. AGREGAR: Estilos faltantes para botones de limpiar filtros */
.btn-clear {
    background: linear-gradient(135deg, var(--text-muted), #94a3b8);
    color: var(--text-white);
}

.btn-clear:hover {
    background: linear-gradient(135deg, var(--border-dark), var(--text-muted));
}