/* Modern CSS Variables and Base Styles */
:root {
    /* Color Palette - Mango Green & Fresh Theme */
    --primary-color: #84cc16;
    --primary-dark: #65a30d;
    --primary-light: #a3e635;
    --secondary-color: #fbbf24;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --info-color: #06b6d4;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    
    /* Gradients - Mango & Fresh Produce */
    --gradient-primary: linear-gradient(135deg, #84cc16 0%, #65a30d 100%);
    --gradient-secondary: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-info: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-fresh: linear-gradient(135deg, #84cc16 0%, #22c55e 50%, #fbbf24 100%);
    --gradient-nature: linear-gradient(135deg, #65a30d 0%, #84cc16 50%, #eab308 100%);
    --gradient-organic: linear-gradient(135deg, #a3e635 0%, #84cc16 25%, #fbbf24 75%, #f59e0b 100%);
    --gradient-mango: linear-gradient(135deg, #84cc16 0%, #a3e635 25%, #fbbf24 75%, #f97316 100%);
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #1e293b;
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    
    /* Shadows */
    --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);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Layout */
    --container-padding: 1rem;
    --container-padding-lg: 1.5rem;
    --navbar-height: 72px;
    --sidebar-width: 280px;
    --footer-height: 80px;
}

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

body.modern-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 400;
    overflow-x: hidden;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
}

/* Typography Improvements */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-weight: 600;
    color: var(--text-heading);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .page-title {
        font-size: 1.5rem;
    }
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.visually-hidden-focusable:not(:focus):not(:focus-within) {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip to content link */
.visually-hidden-focusable {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
}

/* Loading Spinner */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.modern-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--bg-tertiary);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

/* Modern Navigation */
.modern-navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: var(--transition-base);
    z-index: 1030 !important; /* Fixed navigation above other content */
}

.navbar-brand {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    text-decoration: none;
    transition: var(--transition-base);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-mango);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    animation: pulse 2s infinite;
    box-shadow: 0 4px 15px rgba(132, 204, 22, 0.3);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.brand-text {
    color: var(--text-primary);
    font-weight: 700;
}

.modern-nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    padding: 0.75rem 1rem !important;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

.modern-nav-link:hover,
.modern-nav-link:focus {
    color: var(--primary-color) !important;
    background: rgba(132, 204, 22, 0.1);
    transform: translateY(-1px);
}

.modern-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

.modern-nav-link:hover::after {
    width: 80%;
}

/* User Navigation */
.user-nav {
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-lg) !important;
    background: rgba(132, 204, 22, 0.1);
    border: 1px solid rgba(132, 204, 22, 0.2);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
}

/* Modern Dropdown */
.modern-dropdown {
    border: none !important;
    box-shadow: var(--shadow-xl) !important;
    border-radius: var(--radius-lg) !important;
    padding: 0.5rem !important;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.95) !important;
    margin-top: 0.5rem !important;
}

.modern-dropdown-item {
    padding: 0.75rem 1rem !important;
    border-radius: var(--radius-md) !important;
    font-weight: 500 !important;
    color: var(--text-secondary) !important;
    transition: var(--transition-base);
}

.modern-dropdown-item:hover {
    background: var(--gradient-primary) !important;
    color: white !important;
    transform: translateX(4px);
}

/* Search Form */
.modern-search-form {
    min-width: 300px;
}

.modern-search-input {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
    border-radius: var(--radius-md) 0 0 var(--radius-md) !important;
    color: var(--text-primary) !important;
    font-weight: 500;
    transition: var(--transition-base);
}

.modern-search-input:focus {
    background: white !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(132, 204, 22, 0.1) !important;
}

.modern-search-btn {
    background: var(--gradient-primary) !important;
    border: 1px solid var(--primary-color) !important;
    border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
    color: white !important;
    transition: var(--transition-base);
}

.modern-search-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* Main Content */
.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    background: var(--bg-secondary);
}

.page-header {
    background: white;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.breadcrumb {
    margin-bottom: 0 !important;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
}

.page-content {
    padding-bottom: 3rem;
}

.content-wrapper {
    background: transparent;
}

/* Modern Cards */
.card {
    border: none !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
    transition: var(--transition-base);
    background: white;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl) !important;
}

.card-header {
    background: var(--gradient-primary) !important;
    color: white !important;
    border: none !important;
    padding: 1.5rem !important;
    font-weight: 600 !important;
    font-size: 1.1rem;
}

.card-body {
    padding: 2rem !important;
}

/* Modern Buttons */
.btn {
    font-weight: 600 !important;
    border-radius: var(--radius-md) !important;
    padding: 0.75rem 1.5rem !important;
    transition: var(--transition-base);
    border: none !important;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(110%);
}

.btn-success {
    background: var(--gradient-success) !important;
    color: white !important;
}

.btn-warning {
    background: var(--gradient-warning) !important;
    color: white !important;
}

.btn-outline-primary {
    background: transparent !important;
    border: 2px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.btn-outline-primary:hover {
    background: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Modern Forms */
.form-control,
.form-select {
    border-radius: var(--radius-md) !important;
    border: 2px solid var(--bg-tertiary) !important;
    padding: 0.75rem 1rem !important;
    font-weight: 500;
    transition: var(--transition-base);
    background: white;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(132, 204, 22, 0.1) !important;
    transform: translateY(-1px);
}

.form-label {
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin-bottom: 0.75rem !important;
}

/* Use DataTables default styling - keep only light tweaks for readability */
/* Cells */
.table tbody td,
table.dataTable tbody td,
#dataTable tbody td {
    padding: 0.75rem !important;
    vertical-align: middle;
}

/* Clean, neutral header for all DataTables */
.dataTables_wrapper .table thead th,
.dataTables_wrapper .table thead td,
table.dataTable thead th,
table.dataTable thead td,
#dataTable thead th,
#dataTable thead td {
    background-color: #f8f9fa !important;
    background-image: none !important;
    color: #212529 !important;
    border-bottom: 1px solid #dee2e6 !important;
    font-weight: 600 !important;
    padding: 0.65rem 0.75rem !important;
    text-transform: none !important;
    letter-spacing: normal !important;
}

/* Subtle row hover */
table.dataTable tbody tr:hover {
    background-color: #f9fafb !important;
}

/* Controls: search + length */
div.dataTables_wrapper div.dataTables_filter input {
    width: 220px !important;
    border-radius: var(--radius-md) !important;
    padding: 0.375rem 0.75rem !important;
}

div.dataTables_wrapper div.dataTables_length select {
    width: auto !important;
    border-radius: var(--radius-md) !important;
    padding: 0.375rem 1.75rem 0.375rem 0.75rem !important;
}

/* Pagination */
div.dataTables_wrapper .dataTables_paginate .pagination .page-link {
    border-radius: var(--radius-md) !important;
}

div.dataTables_wrapper .dataTables_info {
    color: var(--text-secondary);
}

/* Actions column buttons */
table.dataTable td .btn-group .btn {
    padding: 0.25rem 0.5rem !important;
}

/* Modern Alerts */
.modern-alert {
    border: none !important;
    border-radius: var(--radius-lg) !important;
    padding: 1.25rem 1.5rem !important;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border-left: 4px solid !important;
}

.modern-alert.alert-success {
    background: rgba(16, 185, 129, 0.1) !important;
    color: #065f46 !important;
    border-left-color: var(--success-color) !important;
}

.modern-alert.alert-danger {
    background: rgba(239, 68, 68, 0.1) !important;
    color: #991b1b !important;
    border-left-color: var(--danger-color) !important;
}

.modern-alert.alert-warning {
    background: rgba(245, 158, 11, 0.1) !important;
    color: #92400e !important;
    border-left-color: var(--warning-color) !important;
}

.modern-alert.alert-info {
    background: rgba(59, 130, 246, 0.1) !important;
    color: #1e40af !important;
    border-left-color: var(--info-color) !important;
}

/* Modern Badges */
.badge {
    font-weight: 600 !important;
    padding: 0.5rem 0.75rem !important;
    border-radius: var(--radius-md) !important;
    font-size: 0.75rem !important;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Modern Footer */
.modern-footer {
    background: white;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modern-search-form {
        min-width: auto;
        width: 100%;
        margin: 1rem 0;
    }
    
    .main-content {
        margin-top: 70px;
    }
    
    .page-header {
        padding: 1rem 0;
    }
    
    .card-body {
        padding: 1.5rem !important;
    }
    
    .btn {
        padding: 0.6rem 1.2rem !important;
        font-size: 0.9rem !important;
    }
}

@media (max-width: 576px) {
    .container-fluid {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    
    .card-body {
        padding: 1rem !important;
    }
    
    .table-responsive {
        border-radius: var(--radius-md);
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-mango);
}

/* Loading States */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Interactive Elements */
.interactive-card {
    cursor: pointer;
    transition: var(--transition-base);
}

.interactive-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* Dashboard Specific Styles */
.metric-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border-left: 4px solid transparent;
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.metric-card.metric-primary {
    border-left-color: var(--primary-color);
}

.metric-card.metric-success {
    border-left-color: var(--success-color);
}

.metric-card.metric-warning {
    border-left-color: var(--warning-color);
}

.metric-card.metric-danger {
    border-left-color: var(--danger-color);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Status Indicators */
.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

.status-active {
    background: var(--success-color);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

.status-inactive {
    background: var(--text-muted);
}

.status-warning {
    background: var(--warning-color);
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}

.status-danger {
    background: var(--danger-color);
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}

.status-fresh {
    background: var(--gradient-mango);
    box-shadow: 0 0 12px rgba(132, 204, 22, 0.5);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 8px rgba(132, 204, 22, 0.4); }
    to { box-shadow: 0 0 16px rgba(132, 204, 22, 0.8); }
}

/* Enhanced Messages Framework */
.messages-container {
    position: relative;
    z-index: 1000;
}

.modern-alert .btn-close {
    font-size: 0.75rem;
    opacity: 0.8;
}

.modern-alert .btn-close:hover {
    opacity: 1;
}

/* Message animations */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modern-alert {
    animation: slideInDown 0.3s ease-out;
}

/* Layout Utilities */
.d-flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.d-flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sticky-top-custom {
    position: sticky;
    top: calc(var(--navbar-height) + 1rem);
    z-index: 100;
}

/* Content spacing */
.content-section {
    margin-bottom: 2rem;
}

.content-section:last-child {
    margin-bottom: 0;
}

/* Enhanced loading states */
.loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Enhanced responsive design for larger screens */
@media (min-width: 1400px) {
    .container-fluid {
        max-width: 1320px;
        margin: 0 auto;
    }
}

@media (max-width: 1200px) {
    .container-fluid {
        padding-left: 1.5rem !important;
        padding-right: 1.5rem !important;
    }
}

@media (max-width: 992px) {
    .navbar-nav {
        padding: 1rem 0;
    }
    
    .modern-nav-link {
        padding: 0.75rem 0 !important;
        margin: 0.25rem 0;
    }
    
    .page-actions {
        margin-top: 1rem;
    }
    
    .page-actions .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .modern-search-form {
        order: 3;
        width: 100%;
        margin-top: 1rem;
    }
}

/* Enhanced accessibility and animation performance */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .modern-navbar {
        border-bottom: 2px solid var(--text-primary);
    }
    
    .modern-nav-link {
        border: 1px solid transparent;
    }
    
    .modern-nav-link:hover,
    .modern-nav-link:focus {
        border-color: var(--primary-color);
    }
}