/**
 * MBG Website - Main Stylesheet
 * Program Makan Bergizi Gratis
 * Modern Government + Health Theme
 */

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
:root {
    /* Primary Colors */
    --primary-navy: #0A2A66;
    --primary-navy-dark: #061B45;
    --primary-navy-light: #1A4A9E;
    
    /* Health Green */
    --health-green: #0EB37D;
    --health-green-dark: #0A8F63;
    --health-green-light: #12D494;
    
    /* Support Colors */
    --support-green: #1F7A54;
    --soft-green-bg: #D9F3EB;
    --soft-green-hover: #C4EBE0;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --grey-50: #F9FAFB;
    --grey-100: #F1F4F9;
    --grey-200: #E5E7EB;
    --grey-300: #D1D5DB;
    --grey-400: #9CA3AF;
    --grey-500: #6B7280;
    --grey-600: #4B5563;
    --grey-700: #374151;
    --grey-800: #1F2937;
    --grey-900: #111827;
    
    /* Alert Colors */
    --alert-red: #E63946;
    --alert-red-light: #FEE2E2;
    --alert-yellow: #F59E0B;
    --alert-yellow-light: #FEF3C7;
    --alert-blue: #3B82F6;
    --alert-blue-light: #DBEAFE;
    
    /* Category Colors */
    --cat-lauk: #3B82F6;
    --cat-sayur: #22C55E;
    --cat-karbo: #EAB308;
    --cat-minuman: #06B6D4;
    --cat-snack: #F97316;
    --cat-buah: #EC4899;
    --cat-lainnya: #6B7280;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--grey-800);
    background-color: var(--grey-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--grey-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

.text-primary { color: var(--primary-navy); }
.text-green { color: var(--health-green); }
.text-white { color: var(--white); }
.text-muted { color: var(--grey-500); }

.bg-primary { background-color: var(--primary-navy); }
.bg-green { background-color: var(--health-green); }
.bg-white { background-color: var(--white); }
.bg-soft-green { background-color: var(--soft-green-bg); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

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

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

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ============================================
   Navbar
   ============================================ */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-brand-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-navy);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.navbar-menu a {
    font-weight: 500;
    color: var(--grey-700);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-menu a:hover,
.navbar-menu a.active {
    background-color: var(--soft-green-bg);
    color: var(--health-green);
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--grey-700);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .navbar-toggle {
        display: block;
    }
    
    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--space-md);
        box-shadow: var(--shadow-lg);
        display: none;
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-menu a {
        width: 100%;
        text-align: center;
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 42, 102, 0.9) 0%, rgba(26, 74, 158, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    padding: var(--space-3xl) 0;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

@media (max-width: 768px) {
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-stats { gap: var(--space-md); }
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--grey-200);
}

.card-body {
    padding: var(--space-lg);
}

.card-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--grey-200);
    background: var(--grey-50);
}

/* Stat Card */
.stat-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    transition: all var(--transition-normal);
}

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

.stat-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-card-icon.green {
    background: var(--soft-green-bg);
    color: var(--health-green);
}

.stat-card-icon.blue {
    background: var(--alert-blue-light);
    color: var(--alert-blue);
}

.stat-card-icon.yellow {
    background: var(--alert-yellow-light);
    color: var(--alert-yellow);
}

.stat-card-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--grey-900);
    line-height: 1.2;
}

.stat-card-content p {
    color: var(--grey-500);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

/* Menu Card */
.menu-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.menu-card:hover {
    box-shadow: var(--shadow-md);
}

.menu-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.menu-card-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.menu-card-content p {
    font-size: 0.875rem;
    color: var(--grey-500);
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-sasaran {
    background: var(--soft-green-bg);
    color: var(--support-green);
}

.badge-lauk { background: rgba(59, 130, 246, 0.1); color: var(--cat-lauk); }
.badge-sayur { background: rgba(34, 197, 94, 0.1); color: var(--cat-sayur); }
.badge-karbo { background: rgba(234, 179, 8, 0.1); color: var(--cat-karbo); }
.badge-minuman { background: rgba(6, 182, 212, 0.1); color: var(--cat-minuman); }
.badge-snack { background: rgba(249, 115, 22, 0.1); color: var(--cat-snack); }
.badge-buah { background: rgba(236, 72, 153, 0.1); color: var(--cat-buah); }
.badge-lainnya { background: rgba(107, 114, 128, 0.1); color: var(--cat-lainnya); }

.badge-ok { background: rgba(34, 197, 94, 0.1); color: #22C55E; }
.badge-tidak { background: rgba(230, 57, 70, 0.1); color: var(--alert-red); }

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--primary-navy);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-navy-dark);
    color: var(--white);
}

.btn-green {
    background: var(--health-green);
    color: var(--white);
}

.btn-green:hover {
    background: var(--health-green-dark);
    color: var(--white);
}

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

.btn-outline:hover {
    background: var(--primary-navy);
    color: var(--white);
}

.btn-white {
    background: var(--white);
    color: var(--primary-navy);
}

.btn-white:hover {
    background: var(--grey-100);
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* ============================================
   Tables
   ============================================ */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--grey-200);
}

.table th {
    background: var(--grey-50);
    font-weight: 600;
    color: var(--grey-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr:hover {
    background: var(--grey-50);
}

.table-striped tbody tr:nth-child(even) {
    background: var(--grey-50);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--grey-700);
}

.form-control {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--grey-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--health-green);
    box-shadow: 0 0 0 3px rgba(14, 179, 125, 0.1);
}

.form-control::placeholder {
    color: var(--grey-400);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

/* ============================================
   Grid System
   ============================================ */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .grid-4,
    .grid-3,
    .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: var(--space-3xl) 0;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--space-xs);
}

.section-subtitle {
    text-align: center;
    color: var(--grey-500);
    margin-bottom: var(--space-2xl);
}

/* ============================================
   Photo Gallery
   ============================================ */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-md);
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-md);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-caption {
    color: var(--white);
    font-size: 0.875rem;
}

/* ============================================
   Chart Container
   ============================================ */
.chart-container {
    position: relative;
    height: 300px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--primary-navy);
    color: var(--white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-brand img {
    height: 48px;
    filter: brightness(0) invert(1);
}

.footer-text {
    opacity: 0.8;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--health-green);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--space-xl);
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.7;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.fade-in-up {
    animation: fadeInUp 0.5s ease;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--grey-200) 25%, var(--grey-100) 50%, var(--grey-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

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

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.lightbox-close:hover {
    opacity: 0.7;
}

/* ============================================
   Filter Bar
   ============================================ */
.filter-bar {
    background: var(--white);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    align-items: center;
    margin-bottom: var(--space-xl);
}

.filter-bar.sticky {
    position: sticky;
    top: 80px;
    z-index: var(--z-sticky);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.filter-group label {
    font-weight: 500;
    color: var(--grey-600);
    white-space: nowrap;
}

.filter-group input[type="date"] {
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--grey-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
}

/* ============================================
   Alert Messages
   ============================================ */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: #15803D;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.alert-error {
    background: rgba(230, 57, 70, 0.1);
    color: var(--alert-red);
    border: 1px solid rgba(230, 57, 70, 0.3);
}

.alert-warning {
    background: var(--alert-yellow-light);
    color: #B45309;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.alert-info {
    background: var(--alert-blue-light);
    color: #1D4ED8;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--grey-500);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--grey-700);
    margin-bottom: var(--space-sm);
}