/**
 * Bank Sampah Modern Layout - 60:30:10 Color Scheme
 * 
 * Color Composition:
 * - 60% Primary (Background/Base): #0F1B2D (Dark Navy)
 * - 30% Secondary (Cards/Sections): #1A2B3D (Lighter Navy)
 * - 10% Accent (CTA/Highlights): #10B981 (Emerald Green)
 * 
 * Additional Colors:
 * - Text Primary: #FFFFFF
 * - Text Secondary: #94A3B8
 * - Success: #10B981
 * - Warning: #F59E0B
 * - Danger: #EF4444
 */

:root {
    /* Primary Colors (60%) */
    --bs-primary-bg: #0F1B2D;
    --bs-primary-dark: #0A1520;
    --bs-primary-light: #1A2B3D;
    
    /* Secondary Colors (30%) */
    --bs-secondary-bg: #1A2B3D;
    --bs-secondary-light: #243447;
    --bs-secondary-dark: #15202B;
    
    /* Accent Colors (10%) */
    --bs-accent: #10B981;
    --bs-accent-hover: #059669;
    --bs-accent-light: #34D399;
    --bs-accent-dark: #047857;
    
    /* Text Colors */
    --bs-text-primary: #FFFFFF;
    --bs-text-secondary: #94A3B8;
    --bs-text-muted: #64748B;
    
    /* Status Colors */
    --bs-success: #10B981;
    --bs-warning: #F59E0B;
    --bs-danger: #EF4444;
    --bs-info: #3B82F6;
    
    /* Gradients */
    --bs-gradient-primary: linear-gradient(135deg, #0F1B2D 0%, #1A2B3D 100%);
    --bs-gradient-accent: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    --bs-gradient-card: linear-gradient(135deg, rgba(26, 43, 61, 0.95) 0%, rgba(15, 27, 45, 0.95) 100%);
    
    /* Shadows */
    --bs-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --bs-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --bs-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --bs-shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.4);
    --bs-shadow-accent: 0 8px 24px rgba(16, 185, 129, 0.3);
    
    /* Spacing */
    --bs-spacing-xs: 0.5rem;
    --bs-spacing-sm: 1rem;
    --bs-spacing-md: 1.5rem;
    --bs-spacing-lg: 2rem;
    --bs-spacing-xl: 3rem;
    --bs-spacing-2xl: 4rem;
    
    /* Border Radius */
    --bs-radius-sm: 0.5rem;
    --bs-radius-md: 1rem;
    --bs-radius-lg: 1.5rem;
    --bs-radius-xl: 2rem;
    --bs-radius-full: 9999px;
    
    /* Transitions */
    --bs-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bs-primary-bg);
    color: var(--bs-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Pattern */
.bs-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bs-gradient-primary);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
}

.bs-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(26, 43, 61, 0.03) 2px, rgba(26, 43, 61, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(26, 43, 61, 0.03) 2px, rgba(26, 43, 61, 0.03) 4px);
    pointer-events: none;
}

/* Container */
.bs-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--bs-spacing-md);
}

/* Header/Navigation */
.bs-header {
    background: rgba(26, 43, 61, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(16, 185, 129, 0.1);
    padding: var(--bs-spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--bs-transition);
}

.bs-header.scrolled {
    background: rgba(15, 27, 45, 0.95);
    box-shadow: var(--bs-shadow-md);
}

.bs-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--bs-spacing-md);
}

.bs-brand {
    display: flex;
    align-items: center;
    gap: var(--bs-spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bs-text-primary);
    text-decoration: none;
}

.bs-brand-icon {
    width: 40px;
    height: 40px;
    background: var(--bs-gradient-accent);
    border-radius: var(--bs-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: var(--bs-shadow-accent);
}

.bs-nav-actions {
    display: flex;
    gap: var(--bs-spacing-sm);
    align-items: center;
}

/* Buttons */
.bs-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--bs-radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--bs-transition);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.bs-btn-primary {
    background: var(--bs-gradient-accent);
    color: white;
    box-shadow: var(--bs-shadow-accent);
}

.bs-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(16, 185, 129, 0.4);
}

.bs-btn-secondary {
    background: var(--bs-secondary-bg);
    color: var(--bs-text-primary);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.bs-btn-secondary:hover {
    background: var(--bs-secondary-light);
    border-color: var(--bs-accent);
    transform: translateY(-2px);
}

.bs-btn-ghost {
    background: transparent;
    color: var(--bs-text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.bs-btn-ghost:hover {
    background: var(--bs-secondary-bg);
    color: var(--bs-text-primary);
    border-color: var(--bs-accent);
}

/* Hero Section */
.bs-hero {
    padding: var(--bs-spacing-2xl) 0;
    text-align: center;
}

.bs-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.bs-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--bs-radius-full);
    color: var(--bs-accent-light);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--bs-spacing-md);
}

.bs-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--bs-spacing-md);
    background: linear-gradient(135deg, #FFFFFF 0%, #94A3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bs-hero h1 span {
    background: var(--bs-gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bs-hero p {
    font-size: 1.125rem;
    color: var(--bs-text-secondary);
    margin-bottom: var(--bs-spacing-lg);
    line-height: 1.8;
}

/* Cards */
.bs-card {
    background: var(--bs-gradient-card);
    border: 1px solid rgba(16, 185, 129, 0.1);
    border-radius: var(--bs-radius-lg);
    padding: var(--bs-spacing-lg);
    box-shadow: var(--bs-shadow-lg);
    transition: var(--bs-transition);
    backdrop-filter: blur(10px);
}

.bs-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bs-shadow-xl);
    border-color: rgba(16, 185, 129, 0.3);
}

.bs-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--bs-spacing-md);
    margin: var(--bs-spacing-lg) 0;
}

/* Price Cards */
.bs-price-card {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.bs-price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--bs-gradient-accent);
}

.bs-price-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--bs-spacing-md);
    border-radius: var(--bs-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    box-shadow: var(--bs-shadow-md);
}

.bs-price-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--bs-spacing-xs);
    color: var(--bs-text-primary);
}

.bs-price-card p {
    color: var(--bs-text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--bs-spacing-md);
}

.bs-price-amount {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--bs-accent);
    margin-bottom: var(--bs-spacing-xs);
}

.bs-price-points {
    color: var(--bs-text-muted);
    font-size: 0.875rem;
}

/* KPI Cards */
.bs-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--bs-spacing-md);
    margin: var(--bs-spacing-xl) 0;
}

.bs-kpi-card {
    text-align: center;
    padding: var(--bs-spacing-lg);
}

.bs-kpi-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--bs-gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--bs-spacing-xs);
}

.bs-kpi-label {
    color: var(--bs-text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Leaderboard */
.bs-leaderboard {
    max-width: 400px;
    margin: 0 auto;
}

.bs-leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--bs-spacing-md);
    padding: var(--bs-spacing-md);
    background: var(--bs-secondary-bg);
    border-radius: var(--bs-radius-md);
    margin-bottom: var(--bs-spacing-sm);
    transition: var(--bs-transition);
}

.bs-leaderboard-item:hover {
    background: var(--bs-secondary-light);
    transform: translateX(4px);
}

.bs-leaderboard-rank {
    width: 40px;
    height: 40px;
    border-radius: var(--bs-radius-md);
    background: var(--bs-gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
}

.bs-leaderboard-name {
    flex: 1;
    font-weight: 600;
    color: var(--bs-text-primary);
}

.bs-leaderboard-points {
    font-weight: 700;
    color: var(--bs-accent);
}

/* How It Works */
.bs-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--bs-spacing-lg);
    margin: var(--bs-spacing-2xl) 0;
}

.bs-step {
    text-align: center;
    position: relative;
}

.bs-step-number {
    width: 60px;
    height: 60px;
    border-radius: var(--bs-radius-full);
    background: var(--bs-gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin: 0 auto var(--bs-spacing-md);
    box-shadow: var(--bs-shadow-accent);
}

.bs-step h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--bs-spacing-sm);
    color: var(--bs-text-primary);
}

.bs-step p {
    color: var(--bs-text-secondary);
    line-height: 1.7;
}

/* Sections */
.bs-section {
    padding: var(--bs-spacing-2xl) 0;
}

.bs-section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--bs-spacing-sm);
    color: var(--bs-text-primary);
}

.bs-section-subtitle {
    text-align: center;
    color: var(--bs-text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--bs-spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.bs-footer {
    background: var(--bs-primary-dark);
    border-top: 1px solid rgba(16, 185, 129, 0.1);
    padding: var(--bs-spacing-lg) 0;
    text-align: center;
    color: var(--bs-text-muted);
    font-size: 0.875rem;
    margin-top: var(--bs-spacing-2xl);
}

/* Bottom Navigation (Mobile) */
.bs-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 27, 45, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(16, 185, 129, 0.1);
    display: flex;
    justify-content: space-around;
    padding: var(--bs-spacing-sm);
    z-index: 100;
}

.bs-bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: var(--bs-spacing-xs);
    color: var(--bs-text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    transition: var(--bs-transition);
    border-radius: var(--bs-radius-md);
    flex: 1;
    max-width: 80px;
}

.bs-bottom-nav a:hover,
.bs-bottom-nav a.active {
    color: var(--bs-accent);
    background: rgba(16, 185, 129, 0.1);
}

.bs-bottom-nav a i {
    font-size: 1.25rem;
}

.bs-bottom-nav-spacer {
    height: 80px;
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.bs-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.bs-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.bs-scale-in {
    animation: scaleIn 0.5s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .bs-nav {
        flex-direction: column;
        gap: var(--bs-spacing-sm);
    }
    
    .bs-nav-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .bs-btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .bs-card-grid {
        grid-template-columns: 1fr;
    }
    
    .bs-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .bs-steps {
        grid-template-columns: 1fr;
    }
    
    .bs-container {
        padding: 0 var(--bs-spacing-sm);
    }
}

@media (max-width: 480px) {
    .bs-kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .bs-hero {
        padding: var(--bs-spacing-lg) 0;
    }
}

/* Forms */
.bs-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--bs-spacing-md);
}

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

.bs-form-label {
    font-weight: 600;
    color: var(--bs-text-primary);
    font-size: 0.9rem;
}

.bs-form-control {
    padding: 0.75rem 1rem;
    background: var(--bs-secondary-bg);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--bs-radius-md);
    color: var(--bs-text-primary);
    font-size: 0.95rem;
    transition: var(--bs-transition);
    font-family: inherit;
}

.bs-form-control:focus {
    outline: none;
    border-color: var(--bs-accent);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.bs-form-control::placeholder {
    color: var(--bs-text-muted);
}

.bs-form-control small {
    color: var(--bs-text-muted);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Tables */
.bs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--bs-spacing-md);
}

.bs-table thead {
    background: var(--bs-secondary-bg);
}

.bs-table th {
    padding: var(--bs-spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--bs-text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid rgba(16, 185, 129, 0.2);
}

.bs-table td {
    padding: var(--bs-spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--bs-text-primary);
}

.bs-table tbody tr:hover {
    background: var(--bs-secondary-bg);
}

.bs-table tbody tr:last-child td {
    border-bottom: none;
}

/* Chips/Badges */
.bs-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--bs-radius-full);
    color: var(--bs-accent-light);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Status Badges */
.bs-status-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--bs-success);
    border-color: rgba(16, 185, 129, 0.3);
}

.bs-status-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--bs-warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.bs-status-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--bs-danger);
    border-color: rgba(239, 68, 68, 0.3);
}

.bs-status-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--bs-info);
    border-color: rgba(59, 130, 246, 0.3);
}

/* Message Alerts */
.bs-alert {
    padding: var(--bs-spacing-md);
    border-radius: var(--bs-radius-md);
    border: 1px solid;
    margin-bottom: var(--bs-spacing-md);
}

.bs-alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--bs-success);
}

.bs-alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--bs-danger);
}

.bs-alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--bs-info);
}

/* Search Bar */
.bs-search-bar {
    display: flex;
    gap: var(--bs-spacing-sm);
    margin: var(--bs-spacing-lg) 0;
    flex-wrap: wrap;
}

.bs-search-bar input,
.bs-search-bar select {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem 1rem;
    background: var(--bs-secondary-bg);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--bs-radius-md);
    color: var(--bs-text-primary);
    font-size: 0.95rem;
}

.bs-search-bar input:focus,
.bs-search-bar select:focus {
    outline: none;
    border-color: var(--bs-accent);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Utility Classes */
.bs-text-center {
    text-align: center;
}

.bs-text-accent {
    color: var(--bs-accent);
}

.bs-mt-sm {
    margin-top: var(--bs-spacing-sm);
}

.bs-mt-md {
    margin-top: var(--bs-spacing-md);
}

.bs-mt-lg {
    margin-top: var(--bs-spacing-lg);
}

.bs-mb-sm {
    margin-bottom: var(--bs-spacing-sm);
}

.bs-mb-md {
    margin-bottom: var(--bs-spacing-md);
}

.bs-mb-lg {
    margin-bottom: var(--bs-spacing-lg);
}