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

body {
  font-family: 'Inter', sans-serif;
  background: #eef2ea;
  color: #1d2f2a;
}

/* ============================================
   APP CONTAINER
   ============================================ */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  width: 300px;
  background: linear-gradient(180deg, #1b4d3c 0%, #0f2e23 100%);
  color: white;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar .logo {
  padding: 1.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}

.sidebar .logo i {
  font-size: 2rem;
}

/* ============================================
   NAVIGATION MENU
   ============================================ */
.nav-menu {
  flex: 1;
  padding: 1rem 0;
}

.nav-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin-bottom: 0.25rem;
}

.nav-header {
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  cursor: pointer;
  transition: 0.2s;
  font-weight: 500;
  border-radius: 8px;
  margin: 0 0.5rem;
}

.nav-header:hover {
  background: rgba(255,255,255,0.1);
}

.nav-header i:first-child {
  width: 24px;
}

.nav-header .arrow {
  margin-left: auto;
  transition: transform 0.3s ease;
}

.nav-item.open .nav-header .arrow {
  transform: rotate(180deg);
}

/* ============================================
   SUBMENU CHÍNH
   ============================================ */
.submenu {
  list-style: none;
  padding: 0.5rem 0.5rem 0.5rem 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-in-out, opacity 0.3s ease-in-out;
  opacity: 0;
}

.nav-item.open .submenu {
  max-height: 500px;
  opacity: 1;
}

/* Style cho các mục trong submenu */
.submenu li {
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
}

.submenu li:hover {
  background: rgba(255,255,255,0.1);
  color: white;
  transform: translateX(5px);
}

.submenu li.active {
  background: rgba(255,255,255,0.15);
  color: #d4e6b3;
  border-left: 3px solid #d4e6b3;
}

.submenu li i {
  width: 24px;
  font-size: 1rem;
}

/* ============================================
   SUBMENU DỌC (Sản xuất nông nghiệp)
   ============================================ */
.submenu li.has-submenu-vertical {
  display: block;
  cursor: pointer;
  padding: 0;
}

.submenu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  width: 100%;
  border-radius: 8px;
  transition: all 0.2s ease;
  color: rgba(255,255,255,0.8);
}

.submenu-header:hover {
  background: rgba(255,255,255,0.1);
  color: white;
}

.submenu-header span {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.submenu-header .arrow-vertical {
  font-size: 0.7rem;
  transition: transform 0.3s ease;
}

.submenu li.has-submenu-vertical.open .arrow-vertical {
  transform: rotate(180deg);
}

.submenu-vertical {
  list-style: none;
  padding-left: 2rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.submenu li.has-submenu-vertical.open .submenu-vertical {
  max-height: 400px;
}

.submenu-vertical li {
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

.submenu-vertical li:hover {
  background: rgba(255,255,255,0.1);
  color: white;
  transform: translateX(5px);
}

.submenu-vertical li.active {
  background: rgba(255,255,255,0.15);
  color: #d4e6b3;
  border-left: 3px solid #d4e6b3;
}

.submenu-vertical li i {
  width: 20px;
  font-size: 0.85rem;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
  flex: 1;
  background: #f5f7f0;
  padding: 1rem 2rem 2rem 2rem;
  overflow-y: auto;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  background: linear-gradient(120deg, #1b4d3c, #2f7553);
  padding: 2rem;
  border-radius: 1.5rem;
  color: white;
  margin-bottom: 2rem;
}

.hero-agriculture {
  background: linear-gradient(135deg, #3e2723 0%, #5d4037 40%, #795548 100%);
  border-left: 6px solid #ff8a65;
}

.hero h1 {
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero h1 i {
  background: #e0f0c4;
  color: #1f543f;
  border-radius: 60%;
  padding: 0.5rem;
}

.hero p {
  margin-top: 0.6rem;
  opacity: 0.92;
}

/* ============================================
   CONTENT AREA
   ============================================ */
.content-area {
  background: white;
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  min-height: 400px;
}

/* ============================================
   DATA SECTION (IDSEA)
   ============================================ */
.data-section {
  padding: 0.5rem 0;
}

.data-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.2rem;
  border-bottom: 2px solid #1b4d3c;
  margin-bottom: 1rem;
}

/* ============================================
   CARD GRID
   ============================================ */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin: 1rem 0;
}

.feature-card {
  background: #fefef8;
  border-radius: 1rem;
  padding: 1.2rem;
  border: 1px solid #e2ecd6;
  transition: 0.2s;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.feature-card h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  border-left: 3px solid;
  padding-left: 0.6rem;
}

.feature-card p {
  color: #2e443b;
  line-height: 1.5;
  font-size: 0.9rem;
  white-space: pre-line;
}

.badge-sm {
  display: inline-block;
  background: #ecf5e6;
  border-radius: 20px;
  padding: 0.2rem 0.7rem;
  font-size: 0.7rem;
  margin-top: 0.6rem;
  color: #2a734b;
}

.highlight-block {
  background: #f4fbf0;
  border-radius: 1rem;
  padding: 1rem;
  margin-top: 1rem;
  border-left: 4px solid #2a9d6e;
}

/* ============================================
   AGRICULTURE CARDS
   ============================================ */
.agri-section {
  padding: 0.5rem 0;
}

.agri-section-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #3e2723;
  padding-bottom: 0.8rem;
  border-bottom: 3px solid #ff8a65;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.agri-page-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.2rem;
  border-bottom: 2px solid #d7ccc8;
  margin-bottom: 1.5rem;
}

.agri-page-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #3e2723;
  margin: 0;
}

/* List */
.agri-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin: 1rem 0;
}

/* Card */
.agri-card {
  background: #faf7f5;
  border-radius: 16px;
  padding: 1.5rem 2rem;
  border: 1px solid #d7ccc8;
  transition: all 0.3s ease;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.agri-card:hover {
  transform: translateX(6px);
  box-shadow: 0 6px 25px rgba(62, 39, 35, 0.08);
  border-color: #ff8a65;
}

.agri-card-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: #efe5e0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #5d4037;
  transition: all 0.3s ease;
}

.agri-card:hover .agri-card-icon {
  background: #5d4037;
  color: white;
  transform: scale(1.05) rotate(-5deg);
}

.agri-card-content {
  flex: 1;
}

.agri-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #3e2723;
  margin: 0 0 0.4rem 0;
}

.agri-card-text {
  font-size: 0.92rem;
  color: #5a4a4a;
  line-height: 1.7;
  margin: 0;
  white-space: pre-line;
}

.agri-badge {
  display: inline-block;
  margin-top: 0.6rem;
  background: #5d4037;
  color: white;
  padding: 0.2rem 1.2rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.agri-highlight {
  background: #f5edea;
  border-radius: 12px;
  padding: 1.2rem 1.8rem;
  margin-top: 1.5rem;
  border-left: 5px solid #ff8a65;
  font-size: 0.95rem;
  color: #3e2723;
}

.agri-empty {
  color: #8a7a7a;
  font-style: italic;
  text-align: center;
  padding: 2rem;
}

/* ============================================
   IMAGE STYLES
   ============================================ */
.agri-card-image-wrapper {
  margin-top: 0.8rem;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #d7ccc8;
  background: #f5f0ed;
  max-width: 650px;
}

.agri-card-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px 10px 0 0;
  box-shadow: 0 2px 8px rgba(62, 39, 35, 0.06);
}

.agri-card-image-caption {
  font-size: 0.75rem;
  color: #8a7a7a;
  padding: 0.4rem 1rem;
  background: #f5f0ed;
  border-top: 1px solid #d7ccc8;
  text-align: center;
  font-style: italic;
}

/* Grid images */
.agri-card-images-wrapper {
  margin-top: 0.8rem;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #d7ccc8;
  background: #f5f0ed;
  max-width: 100%;
}

.agri-card-images-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0.5rem;
  background: #f5f0ed;
}

.agri-card-image-item {
  border-radius: 8px;
  overflow: hidden;
  background: white;
  border: 1px solid #e8e0da;
  transition: all 0.3s ease;
}

.agri-card-image-item:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(62, 39, 35, 0.15);
  z-index: 2;
}

.agri-card-image-item .agri-card-image {
  border-radius: 8px;
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   VERTICAL LIST
   ============================================ */
.vertical-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 0;
}

.feature-card-vertical {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid #e8f0e0;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.feature-card-vertical:hover {
  border-color: #2e7d32;
  box-shadow: 0 4px 16px rgba(46, 125, 50, 0.1);
}

.card-icon-large {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f7ec;
  border-radius: 12px;
  font-size: 2rem;
  color: #2e7d32;
  transition: all 0.3s ease;
}

.feature-card-vertical:hover .card-icon-large {
  background: #2e7d32;
  color: white;
  transform: scale(1.05);
}

.card-content {
  flex: 1;
}

.card-title-vertical {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1a3a2a;
  margin: 0 0 0.4rem 0;
  letter-spacing: 0.5px;
}

.card-text-vertical {
  font-size: 0.95rem;
  color: #3d5a4a;
  line-height: 1.7;
  margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer-note {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #deecd2;
  font-size: 0.75rem;
  color: #5a7a62;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
}

/* ============================================
   IDSEA SPECIFIC STYLES
   ============================================ */
/* Style cho Dữ liệu menu */
#submenu-data li {
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
}

#submenu-data li:hover {
  border-left-color: #4caf50;
}

#submenu-data li.active {
  border-left-color: #4caf50;
  background: rgba(76, 175, 80, 0.15);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    width: 250px;
  }
  
  .hero h1 {
    font-size: 1.2rem;
  }
  
  .main-content {
    padding: 1rem;
  }
  
  .agri-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
  }
  
  .agri-section-title {
    font-size: 1.3rem;
  }
  
  .agri-page-title {
    font-size: 1.4rem;
  }
  
  .agri-page-header {
    flex-direction: column;
    text-align: center;
  }
  
  .agri-card-image-wrapper {
    max-width: 100%;
  }
  
  .agri-card-images-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  
  .submenu {
    padding-left: 0.5rem;
  }
  
  .submenu li {
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
  }
  
  .submenu-vertical {
    padding-left: 1rem;
  }
  
  .submenu-vertical li {
    padding: 0.5rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .feature-card-vertical {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
  }
  
  .card-icon-large {
    width: 56px;
    height: 56px;
    font-size: 1.6rem;
  }
  
  .page-title {
    font-size: 1.4rem;
  }
  
  .card-title-vertical {
    font-size: 1.1rem;
  }
  
  .data-header {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .sidebar {
    width: 200px;
  }
  
  .sidebar .logo {
    font-size: 1.2rem;
    padding: 1rem;
  }
  
  .agri-card {
    padding: 1rem;
  }
  
  .agri-card-icon {
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
  }
  
  .agri-card-title {
    font-size: 1rem;
  }
  
  .agri-card-text {
    font-size: 0.85rem;
  }
  
  .agri-section-title {
    font-size: 1.1rem;
  }
  
  .agri-page-title {
    font-size: 1.2rem;
  }
  
  .agri-highlight {
    padding: 1rem;
    font-size: 0.85rem;
  }
  
  .agri-card-images-grid {
    padding: 0.3rem;
    gap: 0.5rem;
  }
  
  .agri-card-image-caption {
    font-size: 0.65rem;
    padding: 0.3rem 0.6rem;
  }
  
  .submenu li {
    padding: 0.5rem 0.6rem;
    font-size: 0.8rem;
  }
  
  .submenu li i {
    width: 20px;
    font-size: 0.85rem;
  }
  
  .submenu-vertical li {
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
  }
  
  .submenu-vertical li i {
    width: 18px;
    font-size: 0.8rem;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
}