/* ============================================================
   DESIGN SYSTEM - WEBSITE KOMUNITAS UMKM INDONESIA
   Modern, Professional, Clean, Glassmorphism, Fully Responsive
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #0f172a;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --info: #06b6d4;
  
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
  
  --transition: all 0.25s ease-in-out;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-dark);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

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

ul {
  list-style: none;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.main-content {
  flex: 1;
  padding-bottom: 4rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  background-color: var(--secondary);
  color: #ffffff;
}
.btn-secondary:hover {
  background-color: #1e293b;
  color: #ffffff;
}

.btn-success {
  background-color: var(--success);
  color: #ffffff;
}
.btn-success:hover {
  background-color: #059669;
  color: #ffffff;
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  font-weight: 700;
}
.btn-whatsapp:hover {
  background-color: #1eb956;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-dark);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
}

/* Header & Navigation Bar */
.navbar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--secondary);
}

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

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-dark);
  cursor: pointer;
}

/* User Dropdown */
.user-dropdown {
  position: relative;
}

.user-avatar-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  cursor: pointer;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--primary-light);
}

.user-dropdown-menu {
  position: absolute;
  right: 0;
  top: 110%;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 220px;
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 100;
}

.user-dropdown-menu.show {
  display: flex;
}

.dropdown-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-body);
}

.dropdown-header strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.dropdown-header small {
  color: var(--text-muted);
}

.dropdown-item {
  padding: 0.65rem 1rem;
  color: var(--text-dark);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-item:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 5rem 0 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.25) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(37, 99, 235, 0.4);
  color: #60a5fa;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: linear-gradient(90deg, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: #94a3b8;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

.hero-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.hero-stat-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.stat-label {
  color: #94a3b8;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Card Components */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.card-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-color: #f1f5f9;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card-img-wrapper img {
  transform: scale(1.05);
}

.card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid #f1f5f9;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.product-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

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

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--secondary);
  margin-bottom: 0.4rem;
}

.form-control, .form-select {
  width: 100%;
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--text-dark);
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

/* Filter Bar */
.filter-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.filter-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 1rem;
  align-items: end;
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
}

.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: #e0f2fe; color: #075985; border: 1px solid #bae6fd; }

.btn-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: inherit;
  opacity: 0.7;
}
.btn-close:hover { opacity: 1; }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--text-dark);
  font-weight: 600;
}

.page-link:hover, .page-link.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Forum Styles */
.forum-topic-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: var(--transition);
}

.forum-topic-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.forum-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.forum-topic-main {
  flex: 1;
}

.forum-reply-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

/* Footer */
.footer {
  background-color: var(--secondary);
  color: #94a3b8;
  padding: 4rem 0 2rem 0;
  margin-top: auto;
  border-top: 1px solid #1e293b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-title {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #1e293b;
  font-size: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .filter-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-color);
  }
  
  .navbar-nav.show { display: flex; }
  .mobile-menu-btn { display: block; }
  
  .hero-title { font-size: 2.25rem; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: 1fr; }
}