/**
 * ============================================================================
 * DASHBOARD MODERN - PPG REFINISH CRM V2.0
 * ============================================================================
 * Modern, professional dashboard with enhanced UX
 * 
 * Features:
 * - Large, bold KPI numbers with gradients
 * - Modern card designs with shadows
 * - Enhanced charts with better visibility
 * - Advanced filters with smooth interactions
 * - Fully responsive (Desktop → Tablet → Mobile)
 * - Professional color palette
 * 
 * @version 2.0.0
 * @date 2025-01-21
 * ============================================================================
 */

/* ============================================
   VARIABLES & COLORS
   ============================================ */
:root {
    /* Primary Colors */
    --primary-blue: #0066CC;
    --primary-blue-dark: #0052A3;
    --success-green: #28A745;
    --warning-yellow: #FFC107;
    --danger-red: #DC3545;
    --info-cyan: #17A2B8;
    
    /* Neutral Colors */
    --gray-50: #F8F9FA;
    --gray-100: #E9ECEF;
    --gray-200: #DEE2E6;
    --gray-300: #CED4DA;
    --gray-400: #ADB5BD;
    --gray-500: #6C757D;
    --gray-600: #495057;
    --gray-700: #343A40;
    --gray-800: #212529;
    --gray-900: #000000;
    
    /* Gradients */
    --gradient-blue: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-green: linear-gradient(135deg, #28A745 0%, #20833a 100%);
    --gradient-orange: linear-gradient(135deg, #FFC107 0%, #FF9800 100%);
    --gradient-red: linear-gradient(135deg, #DC3545 0%, #c82333 100%);
    --gradient-cyan: linear-gradient(135deg, #17A2B8 0%, #138496 100%);
    --gradient-purple: linear-gradient(135deg, #6f42c1 0%, #5a32a3 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 6px 24px rgba(0,0,0,0.16);
    --shadow-xl: 0 8px 32px rgba(0,0,0,0.20);
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Fira Code', 'Consolas', monospace;
}

/* ============================================
   DASHBOARD HEADER
   ============================================ */
.dashboard-header-modern {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-2xl) var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    color: white;
}

.dashboard-title-section {
    margin-bottom: var(--spacing-lg);
}

.dashboard-title-section h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0 0 var(--spacing-sm) 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.dashboard-title-section .subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
    margin: 0;
}

.dashboard-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.dashboard-filters {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    flex: 1;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-select,
.filter-input {
    padding: 10px 16px;
    border-radius: var(--radius-md);
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 160px;
}

.filter-select:hover,
.filter-input:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.5);
}

.filter-select:focus,
.filter-input:focus {
    outline: none;
    background: rgba(255,255,255,0.3);
    border-color: white;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.2);
}

.filter-select option {
    background: #343A40;
    color: white;
}

.btn-refresh,
.btn-reset-filters {
    padding: 12px 24px;
    border-radius: var(--radius-md);
    border: 2px solid rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-refresh:hover,
.btn-reset-filters:hover {
    background: rgba(255,255,255,0.35);
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.btn-refresh:active,
.btn-reset-filters:active {
    transform: translateY(0);
}

/* ============================================
   KPI CARDS - ENHANCED
   ============================================ */
.dashboard-kpi-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.kpi-card-modern {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.kpi-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--kpi-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.kpi-card-modern:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--kpi-color);
}

.kpi-card-modern:hover::before {
    opacity: 1;
}

.kpi-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.kpi-icon-modern {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-lg);
    background: var(--kpi-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.kpi-card-modern:hover .kpi-icon-modern {
    transform: scale(1.1) rotate(5deg);
}

.kpi-icon-modern i {
    font-size: 2rem;
    color: white;
}

.kpi-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.kpi-trend.positive {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-green);
}

.kpi-trend.negative {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-red);
}

.kpi-trend.neutral {
    background: rgba(108, 117, 125, 0.1);
    color: var(--gray-500);
}

.kpi-content-modern {
    margin-top: var(--spacing-md);
}

.kpi-label-modern {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.kpi-value-modern {
    font-size: 2.75rem;
    font-weight: 900;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.kpi-subtitle {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

/* KPI Color Variants */
.kpi-card-modern.revenue {
    --kpi-color: #28A745;
    --kpi-gradient: var(--gradient-green);
}

.kpi-card-modern.customers {
    --kpi-color: #0066CC;
    --kpi-gradient: var(--gradient-blue);
}

.kpi-card-modern.activities {
    --kpi-color: #FFC107;
    --kpi-gradient: var(--gradient-orange);
}

.kpi-card-modern.trainings {
    --kpi-color: #6f42c1;
    --kpi-gradient: var(--gradient-purple);
}

.kpi-card-modern.tickets {
    --kpi-color: #DC3545;
    --kpi-gradient: var(--gradient-red);
}

.kpi-card-modern.pipeline {
    --kpi-color: #17A2B8;
    --kpi-gradient: var(--gradient-cyan);
}

/* ============================================
   CHARTS - ENHANCED
   ============================================ */
.dashboard-charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-card-modern {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.chart-card-header-modern {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 2px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(to bottom, var(--gray-50), white);
}

.chart-card-header-modern h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chart-card-header-modern h3 i {
    color: var(--primary-blue);
}

.chart-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-chart-action {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-300);
    background: white;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-chart-action:hover {
    background: var(--gray-100);
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.chart-body-modern {
    padding: var(--spacing-xl);
    min-height: 380px;
    background: var(--gray-50);
}

.chart-body-modern canvas {
    max-height: 400px;
}

/* Chart Legend Custom */
.chart-legend-modern {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--gray-700);
}

.chart-legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

/* ============================================
   INSIGHTS & STATS
   ============================================ */
.dashboard-insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.insight-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.insight-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.insight-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.insight-title {
    flex: 1;
}

.insight-title h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-800);
    margin: 0 0 4px 0;
}

.insight-title p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin: 0;
}

.insight-content {
    margin-top: var(--spacing-md);
}

.insight-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.insight-stat:last-child {
    border-bottom: none;
}

.insight-stat-label {
    font-size: 0.9375rem;
    color: var(--gray-700);
}

.insight-stat-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (< 1024px) */
@media (max-width: 1024px) {
    .dashboard-kpi-grid-modern {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-charts-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-filters {
        flex-direction: column;
        width: 100%;
    }
    
    .filter-select,
    .filter-input {
        width: 100%;
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    .dashboard-header-modern {
        padding: var(--spacing-lg);
    }
    
    .dashboard-title-section h1 {
        font-size: 1.75rem;
    }
    
    .dashboard-title-section .subtitle {
        font-size: 1rem;
    }
    
    .dashboard-kpi-grid-modern {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .kpi-card-modern {
        padding: var(--spacing-lg);
    }
    
    .kpi-icon-modern {
        width: 56px;
        height: 56px;
    }
    
    .kpi-icon-modern i {
        font-size: 1.5rem;
    }
    
    .kpi-value-modern {
        font-size: 2.25rem;
    }
    
    .chart-card-header-modern {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .chart-card-header-modern h3 {
        font-size: 1rem;
    }
    
    .chart-body-modern {
        padding: var(--spacing-lg);
        min-height: 300px;
    }
    
    .dashboard-insights-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-controls {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-refresh,
    .btn-reset-filters {
        width: 100%;
        justify-content: center;
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
    .kpi-value-modern {
        font-size: 2rem;
    }
    
    .kpi-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .chart-body-modern {
        min-height: 250px;
    }
}

/* ============================================
   LOADING & EMPTY STATES
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    text-align: center;
}

.loading-spinner i {
    font-size: 3rem;
    color: var(--primary-blue);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.loading-spinner p {
    margin-top: var(--spacing-md);
    font-size: 1rem;
    color: var(--gray-600);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--gray-500);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-400);
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    font-size: 0.9375rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

.slide-in-right {
    animation: slideInRight 0.4s ease-out;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* ============================================================================
   ADVANCED FILTERS BAR
   ============================================================================ */

.dashboard-filters-bar {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    animation: slideInRight 0.5s ease;
}

.filters-group-modern {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-item-modern {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 180px;
    flex: 1;
}

.filter-item-modern label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.filter-item-modern label i {
    color: var(--primary-blue);
}

.filter-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-800);
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-select:hover {
    border-color: var(--primary-blue);
    background: var(--gray-50);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.btn-reset {
    padding: 0.75rem 1.5rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.btn-reset:hover {
    background: var(--gray-200);
    border-color: var(--gray-300);
    transform: translateY(-1px);
}

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

.btn-reset i {
    font-size: 0.875rem;
}

.filter-select.active {
    border-color: var(--primary-blue);
    background: rgba(0, 102, 204, 0.05);
    font-weight: 600;
}

/* Responsive Filters */
@media (max-width: 768px) {
    .filters-group-modern {
        flex-direction: column;
    }
    
    .filter-item-modern {
        width: 100%;
        min-width: 100%;
    }
}

/* ============================================================================
   ENHANCED RESPONSIVE DESIGN
   ============================================================================ */

/* Large Desktop (> 1440px) */
@media (min-width: 1440px) {
    .dashboard-kpi-grid-modern {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .kpi-value-modern {
        font-size: 3rem;
    }
}

/* Desktop (1024px - 1440px) - Default */
@media (min-width: 1024px) and (max-width: 1439px) {
    .dashboard-kpi-grid-modern {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablet Landscape (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .dashboard-header-modern {
        padding: var(--spacing-md);
    }
    
    .dashboard-hero-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .dashboard-kpi-grid-modern {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .kpi-value-modern {
        font-size: 2.25rem;
    }
    
    .kpi-icon-modern {
        width: 64px;
        height: 64px;
    }
    
    .kpi-icon-modern i {
        font-size: 1.75rem;
    }
    
    .dashboard-charts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .chart-card-modern {
        min-height: 300px;
    }
    
    .filters-group-modern {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet Portrait (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    :root {
        --spacing-xs: 6px;
        --spacing-sm: 10px;
        --spacing-md: 14px;
        --spacing-lg: 18px;
        --spacing-xl: 24px;
    }
    
    .dashboard-header-modern {
        padding: var(--spacing-md);
    }
    
    .dashboard-title-section h1 {
        font-size: 1.5rem;
    }
    
    .dashboard-title-section .subtitle {
        font-size: 0.875rem;
    }
    
    .dashboard-kpi-grid-modern {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .kpi-card-modern {
        padding: var(--spacing-md);
    }
    
    .kpi-value-modern {
        font-size: 2rem;
    }
    
    .kpi-icon-modern {
        width: 56px;
        height: 56px;
    }
    
    .kpi-icon-modern i {
        font-size: 1.5rem;
    }
    
    .kpi-label-modern {
        font-size: 0.8125rem;
    }
    
    .chart-card-modern {
        min-height: 280px;
    }
    
    .chart-header-modern h3,
    .chart-header-modern h4 {
        font-size: 1rem;
    }
    
    .dashboard-filters-bar {
        padding: var(--spacing-md);
    }
    
    .filters-group-modern {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .filter-item-modern {
        width: 100%;
        min-width: 100%;
    }
    
    .quick-actions-bar {
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .quick-action-btn {
        min-width: 120px;
    }
}

/* Mobile (< 480px) */
@media (max-width: 480px) {
    :root {
        --spacing-xs: 4px;
        --spacing-sm: 8px;
        --spacing-md: 12px;
        --spacing-lg: 16px;
        --spacing-xl: 20px;
    }
    
    .dashboard-header-modern {
        padding: var(--spacing-sm) var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .dashboard-hero-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .dashboard-title-section h1 {
        font-size: 1.25rem;
        line-height: 1.3;
    }
    
    .dashboard-title-section .subtitle {
        font-size: 0.8125rem;
        display: none; /* Hide subtitle on very small screens */
    }
    
    .btn-refresh {
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
    }
    
    .dashboard-filters-bar {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .filters-group-modern {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .filter-item-modern {
        width: 100%;
        min-width: 100%;
    }
    
    .filter-item-modern label {
        font-size: 0.8125rem;
    }
    
    .filter-select {
        padding: 0.625rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .btn-reset {
        width: 100%;
        justify-content: center;
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
    
    .dashboard-kpi-grid-modern {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .kpi-card-modern {
        padding: var(--spacing-md);
    }
    
    .kpi-icon-modern {
        width: 48px;
        height: 48px;
    }
    
    .kpi-icon-modern i {
        font-size: 1.25rem;
    }
    
    .kpi-label-modern {
        font-size: 0.75rem;
        margin-bottom: 4px;
    }
    
    .kpi-value-modern {
        font-size: 1.75rem;
        margin-bottom: 4px;
    }
    
    .kpi-trend-modern,
    .kpi-detail-modern {
        font-size: 0.75rem;
    }
    
    .kpi-badge {
        padding: 3px 8px;
        font-size: 0.6875rem;
    }
    
    .quick-actions-bar {
        padding: var(--spacing-sm);
        overflow-x: auto;
        gap: var(--spacing-xs);
    }
    
    .quick-action-btn {
        min-width: 100px;
        padding: var(--spacing-sm);
        font-size: 0.75rem;
    }
    
    .quick-action-btn i {
        font-size: 1rem;
    }
    
    .dashboard-charts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .chart-card-modern {
        padding: var(--spacing-md);
        min-height: 250px;
    }
    
    .chart-header-modern {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .chart-header-modern h3,
    .chart-header-modern h4 {
        font-size: 0.9375rem;
    }
    
    .chart-action-btn {
        display: none; /* Hide expand buttons on mobile */
    }
    
    .chart-body-modern {
        padding: var(--spacing-sm) var(--spacing-md);
        min-height: 200px;
    }
    
    .dashboard-bottom-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .dashboard-activities-card,
    .dashboard-alerts-card {
        padding: var(--spacing-md);
    }
    
    .card-header-v2 h4 {
        font-size: 1rem;
    }
    
    .activity-item,
    .alert-item {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .activity-icon,
    .alert-icon {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
    
    .activity-title,
    .alert-message {
        font-size: 0.875rem;
    }
    
    .activity-meta {
        font-size: 0.75rem;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .kpi-card-modern,
    .chart-card-modern,
    .quick-action-btn,
    .filter-select,
    .btn-reset {
        -webkit-tap-highlight-color: transparent;
    }
    
    .kpi-card-modern:active {
        transform: scale(0.98);
    }
    
    .quick-action-btn:active,
    .btn-reset:active {
        transform: scale(0.95);
    }
    
    /* Increase touch target sizes */
    .filter-select,
    .btn-reset {
        min-height: 44px; /* iOS recommended minimum */
    }
    
    .quick-action-btn {
        min-height: 48px;
        min-width: 48px;
    }
    
    .chart-action-btn {
        min-width: 40px;
        min-height: 40px;
    }
}

/* Print Styles */
@media print {
    .dashboard-header-modern,
    .dashboard-filters-bar,
    .quick-actions-bar,
    .btn-refresh,
    .chart-action-btn {
        display: none;
    }
    
    .dashboard-kpi-grid-modern {
        grid-template-columns: repeat(3, 1fr);
        page-break-after: avoid;
    }
    
    .kpi-card-modern {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .chart-card-modern {
        break-inside: avoid;
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}