:root {
    --primary-color: #0051a2;
    --secondary-color: #f0f4f8;
    --accent-color: #14a3e0;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    --card-radius: 1rem;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    --shadow-2xl: 0 25px 50px rgba(0,0,0,0.25);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    
    --sidebar-width: 280px;
    --topnav-height: 70px;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--gray-100);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 700; }
h3 { font-size: 1.75rem; font-weight: 600; }
h4 { font-size: 1.5rem; font-weight: 600; }
h5 { font-size: 1.25rem; font-weight: 600; }
h6 { font-size: 1rem; font-weight: 600; }

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-color);
}

.btn {
    font-weight: 600;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    transition: var(--transition-fast);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    color: white;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(10px);
}

.global-loader .spinner-border {
    width: 3rem;
    height: 3rem;
}

.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9998;
    width: 350px;
}

.toast {
    margin-bottom: 1rem;
    border-radius: var(--card-radius);
    border: none;
    box-shadow: var(--shadow-lg);
}

.toast-success {
    background: var(--success-color);
    color: white;
}

.toast-error {
    background: var(--danger-color);
    color: white;
}

.toast-info {
    background: var(--info-color);
    color: white;
}

.toast-warning {
    background: var(--warning-color);
    color: var(--gray-900);
}

.currency-display {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--primary-color);
}

.currency-display::before {
    content: "UGX ";
    font-size: 0.85em;
    font-weight: 500;
    color: var(--gray-600);
}

.currency-large {
    font-size: 1.5rem;
}

.currency-small {
    font-size: 0.875rem;
}

.icon-badge {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    margin-right: 0.75rem;
}

.icon-badge.primary { background: var(--primary-color); }
.icon-badge.success { background: var(--success-color); }
.icon-badge.warning { background: var(--warning-color); }
.icon-badge.danger { background: var(--danger-color); }
.icon-badge.info { background: var(--info-color); }

.text-primary-custom { color: var(--primary-color) !important; }
.text-muted-custom { color: var(--gray-600) !important; }
.text-success-custom { color: var(--success-color) !important; }
.text-warning-custom { color: var(--warning-color) !important; }
.text-danger-custom { color: var(--danger-color) !important; }

.bg-primary-custom { background-color: var(--primary-color) !important; }
.bg-secondary-custom { background-color: var(--secondary-color) !important; }
.bg-accent-custom { background-color: var(--accent-color) !important; }

.border-primary-custom { border-color: var(--primary-color) !important; }
.border-secondary-custom { border-color: var(--secondary-color) !important; }

.shadow-custom { box-shadow: var(--shadow-lg) !important; }
.shadow-xl-custom { box-shadow: var(--shadow-xl) !important; }

.rounded-custom { border-radius: var(--card-radius) !important; }

.transition-custom {
    transition: var(--transition) !important;
}

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

.hover-scale:hover {
    transform: scale(1.02);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.active {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.status-badge.pending {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
}

.status-badge.inactive {
    background: rgba(108, 117, 125, 0.1);
    color: var(--gray-600);
}

.status-badge.processing {
    background: rgba(23, 162, 184, 0.1);
    color: var(--info-color);
}

.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; }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    h5 { font-size: 1.125rem; }
    h6 { font-size: 1rem; }
    
    .btn {
        padding: 0.625rem 1.25rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.75rem;
    }
    
    .notification-container {
        width: calc(100% - 40px);
        left: 20px;
        right: 20px;
    }
}