:root {
    --primary-green: #2E7D32;
    --primary-green-light: #4CAF50;
    --primary-green-dark: #1B5E20;
    --secondary-green: #66BB6A;
    --accent-green: #81C784;
    --light-green: #A5D6A7;
    --very-light-green: #C8E6C9;
    --dark-green: #0D4F14;
    --success-green: #43A047;
    --warning-green: #7CB342;
    --info-green: #4DB6AC;
    --danger-green: #388E3C;
    --text-on-green: #FFFFFF;
    --text-on-light-green: #2E7D32;
    --border-green: #4CAF50;
    --shadow-green: rgba(46, 125, 50, 0.2);
    --gradient-green: linear-gradient(135deg, #2E7D32 0%, #4CAF50 100%);
    --gradient-green-dark: linear-gradient(135deg, #1B5E20 0%, #2E7D32 100%);
    --gradient-green-light: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
}

/* Global Green Theme */
body {
    background-color: #F1F8E9;
    color: #2E7D32;
}

/* Primary Buttons */
.btn-primary {
    background: var(--gradient-green);
    border-color: var(--primary-green);
    color: var(--text-on-green);
}

.btn-primary:hover {
    background: var(--gradient-green-dark);
    border-color: var(--primary-green-dark);
    color: var(--text-on-green);
    box-shadow: 0 4px 12px var(--shadow-green);
}

.btn-primary:focus {
    box-shadow: 0 0 0 0.2rem rgba(46, 125, 50, 0.25);
}

/* Secondary Buttons */
.btn-secondary {
    background: var(--secondary-green);
    border-color: var(--secondary-green);
    color: var(--text-on-green);
}

.btn-secondary:hover {
    background: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--text-on-green);
}

/* Success Buttons */
.btn-success {
    background: var(--success-green);
    border-color: var(--success-green);
    color: var(--text-on-green);
}

.btn-success:hover {
    background: var(--primary-green-dark);
    border-color: var(--primary-green-dark);
    color: var(--text-on-green);
}

/* Info Buttons */
.btn-info {
    background: var(--info-green);
    border-color: var(--info-green);
    color: var(--text-on-green);
}

.btn-info:hover {
    background: var(--secondary-green);
    border-color: var(--secondary-green);
    color: var(--text-on-green);
}

/* Warning Buttons */
.btn-warning {
    background: var(--warning-green);
    border-color: var(--warning-green);
    color: var(--text-on-green);
}

.btn-warning:hover {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: var(--text-on-green);
}

/* Danger Buttons */
.btn-danger {
    background: var(--danger-green);
    border-color: var(--danger-green);
    color: var(--text-on-green);
}

.btn-danger:hover {
    background: var(--primary-green-dark);
    border-color: var(--primary-green-dark);
    color: var(--text-on-green);
}

/* Outline Buttons */
.btn-outline-primary {
    color: var(--primary-green);
    border-color: var(--primary-green);
}

.btn-outline-primary:hover {
    background: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--text-on-green);
}

.btn-outline-success {
    color: var(--success-green);
    border-color: var(--success-green);
}

.btn-outline-success:hover {
    background: var(--success-green);
    border-color: var(--success-green);
    color: var(--text-on-green);
}

.btn-outline-purple {
    color: #6f42c1;
    border-color: #6f42c1;
}

.btn-outline-purple:hover {
    background: #6f42c1;
    border-color: #6f42c1;
    color: white;
}

/* Cards */
.card {
    border-color: var(--border-green);
    box-shadow: 0 2px 8px var(--shadow-green);
}

.card-header {
    background: var(--gradient-green);
    color: var(--text-on-green);
    border-bottom-color: var(--border-green);
}

.card-title {
    color: var(--primary-green);
}

/* Forms */
.form-control:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 0.2rem rgba(46, 125, 50, 0.25);
}

.form-control {
    border-color: var(--light-green);
}

.form-control:focus {
    border-color: var(--primary-green);
}

/* Alerts */
.alert-primary {
    background-color: var(--very-light-green);
    border-color: var(--light-green);
    color: var(--text-on-light-green);
}

.alert-success {
    background-color: var(--very-light-green);
    border-color: var(--success-green);
    color: var(--text-on-light-green);
}

.alert-info {
    background-color: var(--very-light-green);
    border-color: var(--info-green);
    color: var(--text-on-light-green);
}

.alert-warning {
    background-color: var(--very-light-green);
    border-color: var(--warning-green);
    color: var(--text-on-light-green);
}

.alert-danger {
    background-color: var(--very-light-green);
    border-color: var(--danger-green);
    color: var(--text-on-light-green);
}

/* Navigation */
.navbar-dark.bg-primary {
    background: var(--gradient-green) !important;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-on-green) !important;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--light-green) !important;
}

.navbar-brand {
    color: var(--text-on-green) !important;
}

/* Tables */
.table thead th {
    background: var(--gradient-green);
    color: var(--text-on-green);
    border-color: var(--border-green);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--very-light-green);
}

.table-hover tbody tr:hover {
    background-color: var(--light-green);
}

/* Pagination */
.page-link {
    color: var(--primary-green);
    border-color: var(--light-green);
}

.page-link:hover {
    color: var(--primary-green-dark);
    background-color: var(--very-light-green);
    border-color: var(--primary-green);
}

.page-item.active .page-link {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    color: var(--text-on-green);
}

/* Progress Bars */
.progress-bar {
    background-color: var(--primary-green);
}

.progress-bar-striped {
    background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
}

/* Badges */
.badge-primary {
    background-color: var(--primary-green);
    color: var(--text-on-green);
}

.badge-success {
    background-color: var(--success-green);
    color: var(--text-on-green);
}

.badge-info {
    background-color: var(--info-green);
    color: var(--text-on-green);
}

.badge-warning {
    background-color: var(--warning-green);
    color: var(--text-on-light-green);
}

.badge-danger {
    background-color: var(--danger-green);
    color: var(--text-on-green);
}

/* Links */
a {
    color: var(--primary-green);
}

a:hover {
    color: var(--primary-green-dark);
}

/* Text Colors */
.text-primary {
    color: var(--primary-green) !important;
}

.text-success {
    color: var(--success-green) !important;
}

.text-info {
    color: var(--info-green) !important;
}

.text-warning {
    color: var(--warning-green) !important;
}

.text-danger {
    color: var(--danger-green) !important;
}

/* Background Colors */
.bg-primary {
    background-color: var(--primary-green) !important;
}

.bg-success {
    background-color: var(--success-green) !important;
}

.bg-info {
    background-color: var(--info-green) !important;
}

.bg-warning {
    background-color: var(--warning-green) !important;
}

.bg-danger {
    background-color: var(--danger-green) !important;
}

.bg-light {
    background-color: var(--very-light-green) !important;
}

/* Custom Components */
.feature-card {
    border-color: var(--border-green);
    box-shadow: 0 2px 8px var(--shadow-green);
}

.feature-card:hover {
    box-shadow: 0 4px 16px var(--shadow-green);
}

.hero-section {
    background: var(--gradient-green-dark);
    color: var(--text-on-green);
}

.search-box {
    background: var(--very-light-green);
    border: 2px solid var(--light-green);
}

/* Footer */
footer {
    background-color: var(--primary-green-dark) !important;
    color: var(--text-on-green) !important;
}

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

::-webkit-scrollbar-track {
    background: var(--very-light-green);
}

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

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

/* Chart click-to-expand */
.chart-expandable {
    position: relative;
    transition: all 0.2s ease;
}
.chart-expandable:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.chart-expandable::after {
    content: 'Click to enlarge';
    position: absolute;
    bottom: 8px;
    right: 12px;
    font-size: 11px;
    color: #666;
    pointer-events: none;
    opacity: 0.7;
}
.chart-expandable.chart-expanded {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 9999;
    background: rgba(0,0,0,0.92);
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 20px;
    margin: 0 !important;
    border-radius: 0;
}
.chart-expandable.chart-expanded::after {
    content: 'Click or press ESC to close';
    bottom: 20px;
    right: 50%;
    transform: translateX(50%);
    color: #fff;
}
.chart-expandable.chart-expanded canvas,
.chart-expandable.chart-expanded svg {
    max-width: 95vw !important;
    max-height: 90vh !important;
    width: auto !important;
    height: auto !important;
}
.chart-expandable.chart-expanded .mermaid {
    display: flex;
    justify-content: center;
    align-items: center;
}