/* ============================================
   Gerakin.ID - Main Stylesheet
   Premium Dark Theme Design System
   ============================================ */

/* CSS Variables / Design Tokens */
:root {
    /* Primary Colors - Pramuka Brown/Earth tones */
    --primary: #C4841D;
    --primary-light: #E5A43A;
    --primary-dark: #9A6815;
    --primary-gradient: linear-gradient(135deg, #C4841D 0%, #E5A43A 100%);

    /* Accent Colors */
    --accent: #2E7D32;
    --accent-light: #4CAF50;
    --accent-dark: #1B5E20;

    /* Neutrals */
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-card: #1E293B;
    --bg-card-hover: #263548;
    --bg-surface: #0F172A;
    --bg-input: #1E293B;

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --text-on-primary: #FFFFFF;

    --border: #334155;
    --border-light: #475569;

    /* Status Colors */
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* 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: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(196, 132, 29, 0.3);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
}

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

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

.navbar-logo {
    height: 36px;
    width: auto;
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.brand-accent {
    color: var(--primary);
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-light);
    background: rgba(196, 132, 29, 0.1);
}

.nav-form {
    display: inline;
}

.nav-btn-link {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
}

.navbar-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xl);
    cursor: pointer;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-on-primary);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    color: var(--text-on-primary);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
}

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

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

.btn-warning {
    background: var(--warning);
    color: #1a1a1a;
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-control,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem var(--space-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    outline: none;
}

.form-input:focus,
.form-control:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(196, 132, 29, 0.15);
}

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

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-error {
    color: var(--danger);
    font-size: var(--font-size-xs);
    margin-top: var(--space-xs);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

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

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.card-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.card-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-price {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--primary-light);
}

.card-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.card-badge {
    display: inline-flex;
    padding: 2px 8px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    background: rgba(196, 132, 29, 0.15);
    color: var(--primary-light);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    margin: var(--space-md) auto;
    max-width: 1200px;
    font-size: var(--font-size-sm);
    transition: var(--transition);
    animation: alertSlideIn 0.3s ease;
}

@keyframes alertSlideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--font-size-xl);
    cursor: pointer;
    margin-left: auto;
    opacity: 0.7;
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(196,132,29,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(46,125,50,0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(196, 132, 29, 0.15);
    border: 1px solid rgba(196, 132, 29, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -1px;
}

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

.hero p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

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

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   Grid Layouts
   ============================================ */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

/* ============================================
   Tables
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

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

.table th {
    text-align: left;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.table td {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}

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

.table tr:hover td {
    background: rgba(255,255,255,0.02);
}

/* ============================================
   Badges / Status
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.badge-default {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
}

/* ============================================
   Auth Pages
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: var(--bg-primary);
    position: relative;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(196,132,29,0.05) 0%, rgba(46,125,50,0.03) 100%);
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-header .brand-text {
    font-size: var(--font-size-2xl);
    display: block;
    margin-bottom: var(--space-md);
}

.auth-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.auth-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--space-md);
    line-height: 1.7;
}

.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-links a,
.footer-links p {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-sm);
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--space-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

/* ============================================
   Stats Cards
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xl);
}

.stat-icon.primary {
    background: rgba(196, 132, 29, 0.15);
    color: var(--primary-light);
}

.stat-icon.success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.stat-icon.info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.page-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.page-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

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

.empty-state i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.empty-state p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.pagination a,
.pagination span {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: var(--transition);
}

.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary-light);
}

.pagination .active {
    background: var(--primary-gradient);
    color: var(--text-on-primary);
    border-color: var(--primary);
}

/* ============================================
   Utilities
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-light); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }

.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.hidden { display: none; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .navbar-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: var(--space-md);
    }

    .navbar-links.active {
        display: flex;
    }

    .navbar-toggle {
        display: block;
    }

    .hero h1 {
        font-size: var(--font-size-3xl);
    }

    .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-actions {
        flex-direction: column;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

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

.animate-slide-in {
    animation: slideInLeft 0.4s ease forwards;
}

/* Format Rupiah helper */
.price-tag { font-variant-numeric: tabular-nums; }