@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Fira+Code:wght@400;500;600;700&family=Noto+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Progressive enhancement interpolation helpers */
  --in-oklab: ;
  --in-oklch: ;

  /* ================= AGRI MEKONG PALETTE: XANH LÁ – VÀNG LÚA – MÙA MÀNG ================= */
  --color-primary: #6A994E;             /* Xanh đồng ruộng - Chủ đạo của nền tảng */
  --color-primary-accessible: #537E3C;  /* Xanh đồng ruộng đậm (đạt chuẩn WCAG AA >=4.5:1 với chữ trắng) */
  --color-primary-dark: #386641;        /* Xanh lá đậm - Tiêu đề, chữ nhấn & Topbar */
  --color-primary-deep: #224228;        /* Xanh rừng sâu - Điểm neo gradient Hero & Footer */
  --color-primary-light: #EDF5E6;       /* Nền badge, bề mặt hover xanh dịu */
  --color-on-primary: #FFFFFF;

  --color-secondary: #A7C957;           /* Xanh mạ - Sức sống nông nghiệp, điểm nhấn */
  --color-secondary-dark: #4E7A38;      /* Xanh mạ đậm */
  --color-secondary-light: #F3F8E9;     /* Nền xanh mạ rất nhạt */
  --color-on-secondary: #1F3A24;

  --color-tech: #386641;                /* Xanh lá đậm */
  --color-tech-dark: #1F3A24;           /* Xanh lá cực đậm */
  --color-tech-light: #E2EED8;          /* Xanh lá nhạt */

  --color-accent: #F2CC60;              /* Vàng lúa - Nút CTA, sao nổi bật, điểm nhấn ấm */
  --color-accent-hover: #E5B940;        /* Vàng lúa chín - Hover */
  --color-accent-light: #FFF8E7;        /* Kem sáng */
  --color-on-accent: #1F3A24;           /* Chữ xanh đậm trên nền vàng lúa (>7.5:1) */

  --color-background: #FFF8E7;          /* Kem sáng - Nền tổng thể ấm áp mùa màng */
  --color-surface: #FFFFFF;
  --color-surface-alt: #F6F4EA;         /* Kem trung tính dịu */
  --color-foreground: #172B1C;          /* Chữ chính tối dịu, rõ nét trên nền kem & trắng */
  --color-card: #FFFFFF;
  --color-card-foreground: #1F3A24;
  --color-muted: #F2EFE2;
  --color-muted-foreground: #526456;    /* Chữ phụ xanh xám tự nhiên */
  --color-border: #D9E2D0;              /* Viền hài hòa xanh/kem */
  --color-border-soft: #E8EEDF;         /* Viền mềm */

  --color-destructive: #DC2626;         /* Red 600 */
  --color-on-destructive: #FFFFFF;
  --color-warning: #F2CC60;             /* Vàng lúa */
  --color-info: #0EA5E9;                /* Sky 500 */
  --color-success: #6A994E;             /* Xanh đồng ruộng */
  --color-ring: #386641;                /* Focus ring xanh lá đậm */

  /* Bootstrap 5.3 CSS variable overrides */
  --bs-primary: #6A994E;
  --bs-primary-rgb: 106, 153, 78;
  --bs-primary-text-emphasis: #224228;
  --bs-primary-bg-subtle: #EDF5E6;
  --bs-primary-border-subtle: #C8DFB4;
  --bs-success: #6A994E;
  --bs-success-rgb: 106, 153, 78;
  --bs-success-text-emphasis: #386641;
  --bs-success-bg-subtle: #EDF5E6;
  --bs-success-border-subtle: #C8DFB4;
  --bs-warning: #F2CC60;
  --bs-warning-rgb: 242, 204, 96;
  --bs-warning-text-emphasis: #6E4F05;
  --bs-warning-bg-subtle: #FFF8E7;
  --bs-warning-border-subtle: #F2CC60;
  --bs-link-color: #386641;
  --bs-link-color-rgb: 56, 102, 65;
  --bs-link-hover-color: #1F3A24;
  --bs-link-hover-color-rgb: 31, 58, 36;
  --bs-body-bg: #FFF8E7;
  --bs-body-color: #172B1C;
  --bs-dropdown-bg: #FFFFFF;
  --bs-dropdown-border-color: rgba(56, 102, 65, 0.14);
  --bs-dropdown-link-color: #172B1C;
  --bs-dropdown-link-hover-bg: #EDF5E6;
  --bs-dropdown-link-hover-color: #386641;
  --bs-dropdown-link-active-bg: #EDF5E6;
  --bs-dropdown-link-active-color: #386641;

  /* Glassmorphism Variables */
  --glass-bg: rgba(255, 255, 255, 0.88);
  --glass-border: rgba(255, 255, 255, 0.70);
  --glass-shadow: 0 8px 32px 0 rgba(56, 102, 65, 0.14);

  /* 9 Domain Accent Colors */
  --field-1: #386641; /* Nông nghiệp CNC - Xanh lá đậm */
  --field-2: #7C3AED; /* Công nghệ sinh học & Giống - Violet */
  --field-3: #D97706; /* Công nghệ thực phẩm & Chế biến - Amber */
  --field-4: #059669; /* Môi trường & BĐKH - Emerald */
  --field-5: #2563EB; /* Chuyển đổi số & IoT NN - Blue */
  --field-6: #0D9488; /* Sau thu hoạch & Logistics - Teal */
  --field-7: #9333EA; /* Vật liệu mới & Năng lượng - Purple */
  --field-8: #537E3C; /* CNTT, AI & CĐS tổng quát - Xanh đồng ruộng */
  --field-9: #0284C7; /* Cơ khí NN & Thiết bị thông minh - Sky */

  /* Typography */
  --font-sans: 'Be Vietnam Pro', 'Noto Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Spacing Scale (8dp rhythm from MASTER.md) */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadow Depths */
  --shadow-sm: 0 1px 3px rgba(23, 43, 28, 0.06), 0 1px 2px rgba(23, 43, 28, 0.04);
  --shadow-md: 0 4px 12px rgba(23, 43, 28, 0.08), 0 2px 4px rgba(23, 43, 28, 0.04);
  --shadow-lg: 0 12px 24px rgba(23, 43, 28, 0.10), 0 4px 8px rgba(23, 43, 28, 0.05);
  --shadow-xl: 0 20px 32px rgba(23, 43, 28, 0.14), 0 8px 16px rgba(23, 43, 28, 0.06);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-sticky: 1020;
  --z-Gate: 1030;
  --z-offcanvas: 1045;
  --z-modal: 1055;
  --z-toast: 1080;
  --z-demo-panel: 1090;
}

@supports (linear-gradient(in oklab, white, black)) {
  :root {
    --in-oklab: in oklab;
    --in-oklch: in oklch;
  }
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  color: var(--color-foreground);
  accent-color: var(--color-primary-dark);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
}

main {
  flex: 1 0 auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-primary-dark);
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: -0.012em;
  overflow-wrap: break-word;
  word-break: normal;
}

p, li, td, th, a, span, div {
  overflow-wrap: break-word;
  word-break: normal;
}

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

a:hover {
  color: var(--color-tech-dark);
}

/* Keyboard Focus Ring */
:focus-visible {
  outline: 3px solid var(--color-ring) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 4px rgba(106, 153, 78, 0.30) !important;
}

/*Clickable elements cursor*/
button, a, [role="button"], input[type="submit"], input[type="button"], input[type="checkbox"], input[type="radio"], select, summary, .clickable, .card-interactive {
  cursor: pointer;
}

/* Touch Target Minimum >= 44x44px */
.btn, .nav-link, .page-link, .filter-chip, .btn-icon {
  min-height: 44px;
}

.btn-sm {
  min-height: 38px;
  padding: 8px 14px;
}

/* ==========================================================================
   FORM CONTROLS OPTIMIZATION (Inputs, Selects, Textareas & Checks)
   Chuẩn UI/UX Pro Max: Touch Target 44px, Soft Borders, Visible Focus Ring
   ========================================================================== */

/* Nhãn biểu mẫu (Form Labels) */
.form-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-card-foreground);
  margin-bottom: 0.45rem;
}

.form-label .text-danger {
  font-size: 0.95em;
  margin-left: 2px;
}

/* Base Form Control & Form Select */
.form-control,
.form-select {
  min-height: 44px;
  padding: 0.58rem 0.95rem;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-foreground);
  background-color: #FFFFFF;
  background-clip: padding-box;
  border: 1.5px solid #C5D1BF;
  border-radius: var(--radius-md);
  box-shadow: 0 1px 2px rgba(23, 43, 28, 0.04);
  transition: border-color var(--transition-fast), 
              box-shadow var(--transition-fast), 
              background-color var(--transition-fast);
}

/* Trạng thái Hover khi chưa focus */
.form-control:hover:not(:disabled):not(:focus),
.form-select:hover:not(:disabled):not(:focus) {
  border-color: var(--color-primary);
}

/* Trạng thái Focus - Focus Ring đạt chuẩn tương phản và nhận diện */
.form-control:focus,
.form-select:focus {
  color: var(--color-foreground);
  background-color: #FFFFFF;
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 3.5px rgba(106, 153, 78, 0.22), 0 1px 2px rgba(23, 43, 28, 0.04);
}

/* Placeholder tối ưu độ tương phản dịu mắt */
.form-control::placeholder {
  color: #6B7B6E;
  opacity: 1;
  font-size: 0.9rem;
}

/* Trạng thái Disabled & Readonly */
.form-control:disabled,
.form-control[readonly],
.form-select:disabled {
  background-color: var(--color-surface-alt);
  border-color: var(--color-border);
  color: var(--color-muted-foreground);
  cursor: not-allowed;
  opacity: 0.85;
}

/* Tối ưu riêng cho Textarea */
textarea.form-control {
  min-height: 110px;
  padding: 0.75rem 0.95rem;
  line-height: 1.6;
  resize: vertical;
}

/* Tối ưu riêng cho Form Select (Dropdown) */
.form-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  cursor: pointer;
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23386641' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 14px 10px;
}

.btn-close-white {
  opacity: 0.9;
}

.btn-close-white:hover,
.btn-close-white:focus {
  opacity: 1;
}

/* Form Check (Checkbox & Radio) */
.form-check {
  display: flex;
  align-items: center;
  min-height: 1.5rem;
  padding-left: 1.85rem;
  margin-bottom: 0.5rem;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0;
  margin-left: -1.85rem;
  border: 1.5px solid #8DA08E;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color var(--transition-fast), 
              border-color var(--transition-fast), 
              box-shadow var(--transition-fast);
}

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.form-check-input:hover:not(:disabled):not(:checked) {
  border-color: var(--color-primary);
}

.form-check-input:checked {
  background-color: var(--color-primary-accessible);
  border-color: var(--color-primary-accessible);
}

.form-check-input:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(106, 153, 78, 0.25);
}

.form-check-label {
  font-size: 0.9rem;
  color: #2A3F2E;
  cursor: pointer;
  user-select: none;
  padding-left: 0.35rem;
}

/* Switch toggle */
.form-switch .form-check-input {
  width: 2.25rem;
  height: 1.25rem;
  border-radius: var(--radius-pill);
}

/* Input Groups liên kết liền mạch */
.input-group {
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-fast);
}

.input-group > .input-group-text {
  background-color: var(--color-surface-alt);
  border: 1.5px solid #C5D1BF;
  color: var(--color-muted-foreground);
  font-size: 0.9375rem;
  padding: 0.58rem 0.9rem;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.input-group > :not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
  margin-left: -1.5px;
}

.input-group:focus-within > .input-group-text {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.input-group:focus-within {
  box-shadow: 0 0 0 3.5px rgba(106, 153, 78, 0.22);
  border-radius: var(--radius-md);
}

.input-group:focus-within > .form-control {
  box-shadow: none;
}

/* File selector input */
.form-control[type="file"] {
  padding: 0.4rem 0.6rem;
}

.form-control[type="file"]::file-selector-button {
  padding: 0.4rem 0.85rem;
  margin: -0.4rem -0.6rem;
  margin-inline-end: 0.75rem;
  color: #1E293B;
  background-color: #F1F5F9;
  border: 0;
  border-inline-end: 1.5px solid #CBD5E1;
  border-radius: 0;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.form-control[type="file"]:hover:not(:disabled)::file-selector-button {
  background-color: #E2E8F0;
}

/* Size Variants */
.form-control-sm,
.form-select-sm {
  min-height: 36px;
  padding: 0.35rem 0.65rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.form-control-lg,
.form-select-lg {
  min-height: 50px;
  padding: 0.75rem 1.15rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Validation states (Lỗi & Hợp lệ) */
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-destructive);
  padding-right: calc(1.5em + 0.75rem);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
  border-color: var(--color-destructive);
  box-shadow: 0 0 0 3.5px rgba(220, 38, 38, 0.18);
}

.invalid-feedback {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-destructive);
  margin-top: 0.35rem;
  display: none;
}

.was-validated :invalid ~ .invalid-feedback,
.is-invalid ~ .invalid-feedback {
  display: block;
}

.form-control.is-valid,
.form-select.is-valid {
  border-color: var(--color-primary);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3.5px rgba(106, 153, 78, 0.22);
}

.valid-feedback {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  margin-top: 0.35rem;
}

/* Gợi ý hỗ trợ nhập liệu (Help Text) */
.form-text {
  font-size: 0.8125rem;
  color: var(--color-muted-foreground);
  margin-top: 0.35rem;
}

/* Skip to content link for screen readers / keyboard */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-primary-dark);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 2000;
  font-weight: 600;
}
.skip-link:focus {
  top: 12px;
  color: #fff;
}

/* Top Government Brand Bar */
.gov-topbar {
  background: linear-gradient(90deg var(--in-oklab), var(--color-primary-deep) 0%, var(--color-primary-dark) 55%, var(--color-primary-accessible) 100%);
  color: #FFFFFF;
  font-size: 0.85rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.gov-topbar a {
  color: rgba(255, 255, 255, 0.94);
}
.gov-topbar a:hover {
  color: var(--color-accent);
}

/* Main Header / Navbar */
.site-navbar {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(56, 102, 65, 0.12);
  box-shadow: 0 2px 12px rgba(23, 43, 28, 0.04);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.site-navbar .navbar {
  min-height: 64px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-img {
  width: auto;
  height: 36px;
  max-width: 140px;
  flex-shrink: 0;
  object-fit: contain;
}

.brand-title-main {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.25;
  display: block;
  white-space: nowrap;
}

.brand-title-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-tech-dark);
  letter-spacing: 0.01em;
  display: block;
  white-space: nowrap;
}

.site-navbar .navbar-nav {
  gap: 0.25rem;
}

.site-navbar .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: -0.005em;
  white-space: nowrap;
  color: var(--color-foreground);
  padding: 0.48rem 0.85rem !important;
  border-radius: var(--radius-pill);
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  transition: color 160ms ease, background-color 160ms ease;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link:focus,
.site-navbar .nav-link:focus-visible {
  background-color: rgba(106, 153, 78, 0.08);
  color: var(--color-primary-dark);
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
}

.site-navbar .nav-link.active,
.site-navbar .nav-link.show,
.site-navbar .nav-link[aria-current="page"] {
  color: var(--color-primary-dark);
  font-weight: 600;
}

@media (min-width: 1200px) {
  .site-navbar .navbar-nav {
    align-items: center;
    gap: 0.2rem;
  }

  .site-navbar .nav-link {
    min-height: 38px;
    padding: 0.4rem 0.85rem !important;
    border-radius: var(--radius-pill);
  }

  .site-navbar .nav-link.show {
    background-color: rgba(106, 153, 78, 0.09);
  }

  .site-navbar .nav-link.active,
  .site-navbar .nav-link[aria-current="page"] {
    background-color: transparent;
  }

  .site-navbar .nav-link.active:hover,
  .site-navbar .nav-link[aria-current="page"]:hover {
    background-color: rgba(106, 153, 78, 0.08);
  }

  /* Thanh gạch chân thanh mảnh nhận diện trang hiện tại (tránh khối vuông thô) */
  .site-navbar .nav-link.active::before,
  .site-navbar .nav-link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0.85rem;
    right: 0.85rem;
    bottom: 2px;
    height: 2.5px;
    border-radius: var(--radius-pill);
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  }

  /* Vùng đệm tàng hình nối từ nút cha xuống menu thả xuống khi rê chuột */
  .site-navbar .dropdown-menu::before {
    content: "";
    position: absolute;
    inset-inline: 0;
    inset-block-end: 100%;
    block-size: 12px;
  }
}

/* Mũi tên dropdown dạng chevron SVG mảnh thay tam giác đen mặc định */
.site-navbar .dropdown-toggle::after {
  content: "";
  display: inline-block;
  width: 0.88em;
  height: 0.88em;
  margin-left: 0.1rem;
  border: none !important;
  vertical-align: middle;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='black' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m4 6 4 4 4-4'/%3e%3c/svg%3e") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='black' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m4 6 4 4 4-4'/%3e%3c/svg%3e") center / contain no-repeat;
  transition: transform 160ms ease;
}

.site-navbar .dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

/* Dropdown menu gọn nhẹ, thanh lịch */
.site-navbar .dropdown-menu {
  background-color: #FFFFFF;
  border: 1px solid rgba(56, 102, 65, 0.14);
  border-radius: 12px;
  padding: 0.35rem;
  min-width: 224px;
  margin-top: 0.45rem;
  overflow: visible;
  box-shadow: 0 10px 24px -6px rgba(23, 43, 28, 0.12), 0 2px 8px -2px rgba(23, 43, 28, 0.05);
}

@media (max-width: 1199.98px) {
  .site-navbar .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 0.65rem 0.9rem !important;
    border-radius: var(--radius-sm);
  }

  .site-navbar .nav-link.active,
  .site-navbar .nav-link[aria-current="page"] {
    background-color: var(--color-primary-light);
    border-left: 3px solid var(--color-primary);
  }

  .site-navbar .dropdown-menu {
    margin-top: 0.25rem;
    margin-bottom: 0.35rem;
    box-shadow: none;
    border-color: var(--color-border-soft);
    background-color: var(--color-surface-alt);
  }
}

.site-navbar .dropdown-menu > li + li {
  margin-top: 2px;
}

.site-navbar .dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.78rem;
  border-radius: 8px;
  font-size: 0.885rem;
  font-weight: 500;
  color: var(--color-foreground);
  transition: background-color 140ms ease, color 140ms ease;
}

.site-navbar .dropdown-item-icon {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  flex-shrink: 0;
  transition: background-color 140ms ease, color 140ms ease;
}

.site-navbar .dropdown-item:hover,
.site-navbar .dropdown-item:focus,
.site-navbar .dropdown-item:focus-visible {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  outline: none !important;
  box-shadow: none !important;
}

.site-navbar .dropdown-item:hover .dropdown-item-icon,
.site-navbar .dropdown-item:focus-visible .dropdown-item-icon {
  background-color: var(--color-primary-accessible);
  color: #FFFFFF;
}

.site-navbar .dropdown-item.active,
.site-navbar .dropdown-item[aria-current="page"],
.site-navbar .dropdown-item:active {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.site-navbar .dropdown-item.active .dropdown-item-icon,
.site-navbar .dropdown-item[aria-current="page"] .dropdown-item-icon,
.site-navbar .dropdown-item:active .dropdown-item-icon {
  background-color: var(--color-primary-accessible);
  color: #FFFFFF;
}

@media (prefers-reduced-motion: no-preference) {
  .site-navbar .dropdown-menu.show {
    animation: casicDropdownReveal 140ms ease-out;
  }
}

@keyframes casicDropdownReveal {
  from {
    opacity: 0;
    translate: 0 -4px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}

@media (min-width: 1200px) and (max-width: 1399.98px) {
  .site-navbar .nav-link {
    font-size: 0.84rem;
    padding: 0.38rem 0.65rem !important;
  }
  .site-navbar .nav-link.active::before,
  .site-navbar .nav-link[aria-current="page"]::before {
    left: 0.65rem;
    right: 0.65rem;
  }
  .brand-logo-img {
    height: 32px;
    max-width: 120px;
  }
  .brand-title-main {
    font-size: 0.92rem;
  }
}

/* Nút Tra cứu trên header gọn gàng hài hòa cùng nút đổi ngôn ngữ */
.site-navbar .navbar-search-btn {
  min-height: 36px;
  padding: 0.36rem 0.95rem !important;
  font-size: 0.84rem;
  gap: 6px;
}

/* Language Switcher */
.lang-switch {
  display: inline-flex;
  padding: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--color-surface-alt);
}

.lang-switch button {
  border: none;
  background: transparent;
  padding: 3px 10px;
  min-height: 30px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-muted-foreground);
  transition: all var(--transition-fast);
}

.lang-switch button.active {
  background: var(--color-primary-accessible);
  color: #FFFFFF;
}

/* Custom Buttons */
.btn-primary-casic {
  background: linear-gradient(135deg var(--in-oklab), var(--color-primary) 0%, var(--color-primary-accessible) 45%, var(--color-primary-dark) 100%);
  background-color: var(--color-primary-accessible);
  color: var(--color-on-primary);
  border: 2px solid var(--color-primary-accessible);
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-shadow: 0 1px 1px rgba(20, 45, 25, 0.22);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.btn-primary-casic:hover:not(:disabled),
.btn-primary-casic:focus {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-accent-casic {
  background-color: var(--color-accent);
  color: var(--color-on-accent);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 700;
  padding: 0.6rem 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-accent-casic:hover:not(:disabled),
.btn-accent-casic:focus {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-tech-dark);
  box-shadow: var(--shadow-md);
}

.btn-outline-casic {
  background-color: transparent;
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-outline-casic:hover:not(:disabled),
.btn-outline-casic:focus {
  background-color: var(--color-primary-accessible);
  border-color: var(--color-primary-accessible);
  color: #FFFFFF;
}

/* Hero Section with Vibrant Agricultural Paddy Green Overlay */
.hero-section {
  background:
    /* Lớp phủ đa tầng xanh đồng ruộng & xanh lá đậm đảm bảo độ tương phản chữ trắng */
    linear-gradient(135deg var(--in-oklab), rgba(28, 56, 33, 0.93) 0%, rgba(56, 102, 65, 0.90) 50%, rgba(83, 126, 60, 0.88) 100%),
    radial-gradient(circle at 85% 20%, rgba(167, 201, 87, 0.35) 0%, transparent 55%),
    radial-gradient(circle at 15% 80%, rgba(106, 153, 78, 0.32) 0%, transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(242, 204, 96, 0.16) 0%, transparent 50%),
    url('../img/res-01.jpg') center center / cover no-repeat;
  background-attachment: scroll;
  color: #FFFFFF;
  padding: calc(var(--space-2xl) * 1.25) 0 var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

/* Hiệu ứng họa tiết nhẹ phủ trên nền */
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 248, 231, 0.14) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: 0.55;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section h1 {
  color: #FFFFFF;
  font-size: clamp(1.75rem, 3.2vw, 2.99rem);
  font-weight: 800;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.40);
}

.hero-section p.lead {
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 248, 231, 0.16);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(242, 204, 96, 0.45);
  color: #FFF8E7;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.hero-search-box {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 8px 12px;
  box-shadow: none !important;
  border: none !important;
}

.hero-search-box .input-group,
.hero-search-box .input-group:focus-within {
  background: transparent !important;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}

.hero-search-box .btn-accent-casic {
  border: none !important;
  box-shadow: none !important;
  border-radius: 10px;
}

.hero-search-box .btn-accent-casic:hover:not(:disabled),
.hero-search-box .btn-accent-casic:focus {
  border: none !important;
  box-shadow: none !important;
}

.hero-search-box .form-control {
  border: none !important;
  font-size: 0.95rem;
  box-shadow: none !important;
  outline: none !important;
  background-color: transparent !important;
}

.hero-search-box .input-group-text {
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
  background-color: transparent !important;
}

.hero-search-box .form-select {
  border: none !important;
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
  box-shadow: none !important;
  outline: none !important;
  background-color: transparent !important;
}

.hero-search-box .form-control:focus,
.hero-search-box .form-select:focus,
.hero-search-box .input-group:focus-within > .input-group-text,
.hero-search-box .input-group:focus-within > .form-control {
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
  background-color: transparent !important;
}

/* Research Page Search Box - Borderless & clean like Homepage */
.research-search-box {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 6px 8px;
  box-shadow: none !important;
  border: 1px solid rgba(56, 102, 65, 0.14) !important;
}

.research-search-box .input-group,
.research-search-box .input-group:focus-within {
  background: transparent !important;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}

.research-search-box .form-control {
  border: none !important;
  font-size: 0.95rem;
  box-shadow: none !important;
  outline: none !important;
  background-color: transparent !important;
}

.research-search-box .input-group-text {
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
  background-color: transparent !important;
}

.research-search-box .form-control:focus,
.research-search-box .input-group:focus-within > .input-group-text,
.research-search-box .input-group:focus-within > .form-control {
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
  background-color: transparent !important;
}

.research-search-box .btn-accent-casic {
  border: none !important;
  box-shadow: none !important;
  border-radius: 10px;
}

.research-search-box .btn-accent-casic:hover:not(:disabled),
.research-search-box .btn-accent-casic:focus {
  border: none !important;
  box-shadow: none !important;
}

.research-search-box .btn-outline-casic {
  border-radius: 10px;
  border-width: 1.5px;
}

@media (min-width: 992px) {
  .border-start-lg {
    border-left: 1px solid var(--color-border) !important;
  }
}

/* Quick Keyword Chips */
.keyword-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  min-height: 28px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.35;
  white-space: normal;
  word-break: break-word;
  max-width: 100%;
  background: rgba(255, 255, 255, 0.16);
  color: #FFFFFF;
  border: 1px solid rgba(255, 248, 231, 0.30);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.keyword-chip:hover {
  background: rgba(255, 248, 231, 0.26);
  color: var(--color-accent);
}

.keyword-chip-light {
  background: var(--color-surface);
  color: var(--color-foreground);
  border: 1px solid var(--color-border);
}

.keyword-chip-light:hover,
.keyword-chip-light.active {
  background: var(--color-primary-accessible);
  color: #FFFFFF;
  border-color: var(--color-primary-accessible);
}

/* KPI Counter Strip */
.kpi-strip {
  margin-top: -2rem;
  position: relative;
  z-index: 10;
}

.kpi-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.25rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-primary);
  height: 100%;
  transition: box-shadow var(--transition-base);
}

.kpi-card:nth-child(2) { border-left-color: var(--color-primary-dark); }
.kpi-card:nth-child(3) { border-left-color: var(--color-accent); }
.kpi-card:nth-child(4) { border-left-color: var(--color-secondary); }

.kpi-number {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 2.5vw, 2.35rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.1;
}

.kpi-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-muted-foreground);
  margin-top: 4px;
}

/* Cards & Surface Components */
.casic-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 102, 65, 0.14);
  box-shadow: 0 1px 3px 0 rgba(23, 43, 28, 0.05), 0 1px 2px -1px rgba(23, 43, 28, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.casic-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -6px rgba(106, 153, 78, 0.18), 0 6px 12px -4px rgba(56, 102, 65, 0.08);
  border-color: rgba(106, 153, 78, 0.45);
}

.casic-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  background-color: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  transition: transform 0.35s ease;
}

.casic-card:hover .casic-card-img {
  transform: scale(1.03);
}

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

.casic-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.9em;
  word-break: normal;
  overflow-wrap: break-word;
}

.casic-card-title a {
  color: inherit;
}
.casic-card-title a:hover {
  color: var(--color-primary);
}

.badge {
  white-space: nowrap;
}

/* 9 Domain Field Cards - Bento Style Enhancement */
.field-card {
  background: radial-gradient(circle at 100% 0%, var(--field-bg, rgba(237, 245, 230, 0.65)) 0%, transparent 45%), #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1.5px solid var(--color-border);
  box-shadow: 0 4px 14px rgba(23, 43, 28, 0.05), 0 1px 3px rgba(23, 43, 28, 0.03);
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

/* Dải màu nhận diện trên đỉnh thẻ */
.field-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg var(--in-oklab), var(--field-color, var(--color-primary)) 0%, var(--field-bg, var(--color-primary-light)) 100%);
  transition: height 0.2s ease;
}

.field-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 32px -8px rgba(56, 102, 65, 0.14), 0 8px 16px -4px rgba(106, 153, 78, 0.08);
  border-color: var(--field-color, var(--color-primary));
}

.field-card:hover::before {
  height: 6px;
}

.field-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background-color: var(--field-bg, var(--color-primary-light));
  color: var(--field-color, var(--color-primary-dark));
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.field-card:hover .field-icon-box {
  transform: scale(1.1) rotate(-4deg);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
}

.field-badge-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  background-color: var(--color-surface-alt);
  color: var(--color-muted-foreground);
  border: 1px solid var(--color-border);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

.field-badge-count {
  font-size: 0.78rem;
  font-weight: 600;
  background-color: var(--field-bg, var(--color-primary-light));
  color: var(--field-color, var(--color-primary-dark));
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.field-card-title {
  color: var(--color-foreground);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.4rem;
  transition: color 0.2s ease;
}

.field-card:hover .field-card-title {
  color: var(--field-color, var(--color-primary-dark));
}

.field-card-sub {
  color: var(--color-muted-foreground);
  font-size: 0.85rem;
  line-height: 1.5;
}

.field-card-footer {
  padding-top: 0.85rem;
  border-top: 1px dashed var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--field-color, var(--color-primary-dark));
}

.field-action-arrow {
  font-size: 1.1rem;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.field-card:hover .field-action-arrow {
  transform: translateX(6px);
}

/* Status Badges (Accessible: Icon + Text + Color) */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
}

.badge-featured {
  background-color: var(--color-accent-light);
  color: #6E4F05;
  border: 1px solid var(--color-accent);
}

.badge-published {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary);
}

.badge-pending {
  background-color: #E0F2FE;
  color: #075985;
  border: 1px solid #38BDF8;
}

.badge-draft {
  background-color: var(--color-surface-alt);
  color: #334155;
  border: 1px solid #94A3B8;
}

/* Active Filter Chips */
.active-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
}

.active-filter-chip button {
  border: none;
  background: transparent;
  color: var(--color-primary-dark);
  padding: 0 2px;
  font-size: 1rem;
  line-height: 1;
}

/* Interactive Mekong Delta SVG Map */
.map-container-box {
  background: linear-gradient(180deg var(--in-oklab), #FFFDF7 0%, #F3F8EB 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  position: relative;
}

.mekong-svg-map {
  width: 100%;
  height: auto;
  max-height: 520px;
  display: block;
  margin: 0 auto;
}

.mekong-province {
  stroke: #FFFFFF;
  stroke-width: 2;
  transition: opacity var(--transition-fast), stroke-width var(--transition-fast), stroke var(--transition-fast);
  cursor: pointer;
}

.mekong-province:hover,
.mekong-province:focus {
  stroke: var(--color-tech-dark);
  stroke-width: 3.5;
  opacity: 0.92;
  outline: none;
}

.mekong-province.selected {
  stroke: var(--color-accent);
  stroke-width: 4;
  filter: drop-shadow(0 4px 10px rgba(242, 204, 96, 0.55));
}

.mekong-province-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  fill: var(--color-foreground);
  pointer-events: none;
  text-anchor: middle;
  paint-order: stroke;
  stroke: rgba(255, 255, 255, 0.88);
  stroke-width: 3px;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.map-tooltip {
  position: fixed;
  pointer-events: none;
  background: rgba(25, 48, 30, 0.96);
  color: #FFFFFF;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  display: none;
  max-width: 240px;
  border-left: 4px solid var(--color-secondary);
}

/* Auth Gate Blur Overlay - Vô hiệu hoá hoàn toàn để mở quyền tra cứu tự do */
.auth-gated-wrapper {
  position: relative;
}

.auth-gated-content.is-blurred {
  filter: none !important;
  pointer-events: auto !important;
  user-select: auto !important;
  max-height: none !important;
  overflow: visible !important;
}

.auth-gate-overlay {
  display: none !important;
}

.auth-gate-card {
  background: #FFFFFF;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-xl);
}

/* Internal PDF Summary Box (Requirement B.8) */
.pdf-internal-box {
  background: linear-gradient(135deg var(--in-oklab), #FFFDF7 0%, var(--color-accent-light) 100%);
  border: 1px solid var(--color-accent);
  border-left: 5px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

/* Full-width Research Infographic & Introduction Block */
.research-infographic-section {
  width: 100%;
  background: #F8FBF5;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.research-infographic-poster {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(56, 102, 65, 0.14);
  background: #FFFFFF;
}

.research-infographic-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  cursor: zoom-in;
}

.research-infographic-intro {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
}

.research-infographic-poster + .research-infographic-intro {
  margin-top: 1rem;
}

.research-infographic-intro-body {
  color: var(--color-foreground);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* Future Scope Muted Cards */
.future-scope-card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  opacity: 0.9;
  height: 100%;
}

/* Skeleton Loading Effect */
.skeleton-box {
  background: linear-gradient(90deg, #E8EFE2 25%, #F4F7EF 50%, #E8EFE2 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

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

/* Floating Demo Panel (.demo-panel) */
.demo-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: var(--z-demo-panel);
  font-family: var(--font-sans);
}

.demo-panel-toggle {
  background: var(--color-tech-dark);
  color: #FFFFFF;
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: var(--shadow-xl);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.demo-panel-toggle:hover {
  background: var(--color-primary-dark);
  color: var(--color-accent);
}

.demo-panel-body {
  position: absolute;
  bottom: 58px;
  right: 0;
  width: 340px;
  max-width: calc(100vw - 32px);
  background: var(--color-tech-dark);
  color: #FFF8E7;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  box-shadow: var(--shadow-xl);
  display: none;
}

.demo-panel.open .demo-panel-body {
  display: block;
}

.demo-panel-body label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #C8DFB4;
  font-weight: 700;
  margin-bottom: 4px;
  display: block;
}

/* ==========================================================================
   BOOTSTRAP UTILITIES MAPPING SANG PALETTE MỚI (XANH ĐỒNG RUỘNG - VÀNG LÚA)
   Đồng bộ toàn bộ các thành phần Bootstrap (primary, success, warning, navs)
   ========================================================================== */
.text-primary {
  color: var(--color-primary-dark) !important; /* #386641 đạt chuẩn tương phản chữ */
}

.bi.text-primary,
.kpi-number sup.text-primary,
.field-icon-box.text-primary {
  color: var(--color-primary) !important; /* #6A994E sắc xanh đồng ruộng cho icon & biểu tượng */
}

.bg-primary {
  --bs-bg-opacity: 1;
  background-color: rgba(83, 126, 60, var(--bs-bg-opacity)) !important;
}

.bg-primary-subtle {
  background-color: var(--color-primary-light) !important;
  color: var(--color-primary-dark) !important;
}

.border-primary {
  border-color: var(--color-primary) !important;
}

.border-primary-subtle {
  border-color: #C8DFB4 !important;
}

.badge.bg-primary-subtle {
  background-color: var(--color-primary-light) !important;
  color: var(--color-primary-dark) !important;
  border-color: #C8DFB4 !important;
}

.text-bg-primary {
  background-color: var(--color-primary-accessible) !important;
  color: #FFFFFF !important;
}

.text-bg-success {
  background-color: var(--color-primary-accessible) !important;
  color: #FFFFFF !important;
}

.text-bg-warning {
  background-color: var(--color-accent) !important;
  color: var(--color-on-accent) !important;
}

.btn-primary {
  --bs-btn-color: #FFFFFF;
  --bs-btn-bg: var(--color-primary-accessible);
  --bs-btn-border-color: var(--color-primary-accessible);
  --bs-btn-hover-color: #FFFFFF;
  --bs-btn-hover-bg: var(--color-primary-dark);
  --bs-btn-hover-border-color: var(--color-primary-dark);
  --bs-btn-active-color: #FFFFFF;
  --bs-btn-active-bg: var(--color-tech-dark);
  --bs-btn-active-border-color: var(--color-tech-dark);
}

.btn-outline-primary {
  --bs-btn-color: var(--color-primary-dark);
  --bs-btn-border-color: var(--color-primary);
  --bs-btn-hover-color: #FFFFFF;
  --bs-btn-hover-bg: var(--color-primary-accessible);
  --bs-btn-hover-border-color: var(--color-primary-accessible);
  --bs-btn-active-color: #FFFFFF;
  --bs-btn-active-bg: var(--color-primary-dark);
  --bs-btn-active-border-color: var(--color-primary-dark);
}

.btn-success {
  --bs-btn-color: #FFFFFF;
  --bs-btn-bg: var(--color-primary-accessible);
  --bs-btn-border-color: var(--color-primary-accessible);
  --bs-btn-hover-color: #FFFFFF;
  --bs-btn-hover-bg: var(--color-primary-dark);
  --bs-btn-hover-border-color: var(--color-primary-dark);
  --bs-btn-active-color: #FFFFFF;
  --bs-btn-active-bg: var(--color-primary-dark);
  --bs-btn-active-border-color: var(--color-primary-dark);
}

.nav-pills .nav-link {
  color: var(--color-primary-dark);
}

.nav-pills .nav-link:hover {
  background-color: var(--color-primary-light);
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  background-color: var(--color-primary-accessible) !important;
  color: #FFFFFF !important;
}

.text-success {
  color: var(--color-primary-dark) !important;
}

.bi.text-success {
  color: var(--color-primary) !important;
}

.text-success-emphasis {
  color: var(--color-primary-dark) !important;
}

.bg-success {
  --bs-bg-opacity: 1;
  background-color: rgba(83, 126, 60, var(--bs-bg-opacity)) !important;
}

.bg-success-subtle {
  background-color: var(--color-primary-light) !important;
  color: var(--color-primary-dark) !important;
}

.border-success {
  border-color: var(--color-primary) !important;
}

.border-success-subtle {
  border-color: #C8DFB4 !important;
}

.badge.bg-success-subtle {
  background-color: var(--color-primary-light) !important;
  color: var(--color-primary-dark) !important;
  border: 1px solid #C8DFB4 !important;
}

.text-warning {
  color: #9C6B07 !important; /* Tối ưu tương phản trên nền sáng */
}

.gov-topbar .text-warning,
.hero-section .text-warning,
.site-footer .text-warning,
.bg-dark .text-warning,
.map-tooltip .text-warning {
  color: var(--color-accent) !important; /* #F2CC60 - Vàng lúa rực rỡ trên nền tối */
}

.text-warning-emphasis {
  color: #6E4F05 !important;
}

.bg-warning-subtle {
  background-color: var(--color-accent-light) !important;
  color: #6E4F05 !important;
}

.border-warning-subtle {
  border-color: var(--color-accent) !important;
}

.badge.bg-warning {
  --bs-bg-opacity: 1;
  background-color: rgba(242, 204, 96, var(--bs-bg-opacity)) !important;
  color: var(--color-on-accent) !important;
}

.badge.bg-warning-subtle {
  background-color: var(--color-accent-light) !important;
  color: #6E4F05 !important;
  border: 1px solid var(--color-accent) !important;
}

/* Call to Action Section - Agricultural Paddy Green Gradient */
.cta-banner {
  background: linear-gradient(135deg var(--in-oklab), var(--color-primary-deep) 0%, var(--color-primary-dark) 48%, var(--color-primary-accessible) 100%);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2.25rem;
  color: #FFFFFF;
  box-shadow: 0 20px 35px -10px rgba(56, 102, 65, 0.35), 0 8px 16px -6px rgba(106, 153, 78, 0.25);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 248, 231, 0.22);
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 248, 231, 0.16) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.6;
}

.cta-banner > * {
  position: relative;
  z-index: 1;
}

/* Footer - Deep Forest Green Theme */
.site-footer {
  background: linear-gradient(180deg var(--in-oklab), var(--color-primary-deep) 0%, #132517 100%);
  color: #EDF2EB;
  padding: 3.5rem 0 1.5rem;
  margin-top: 4rem;
  border-top: 4px solid var(--color-primary);
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 248, 231, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.5;
}

.site-footer .container {
  position: relative;
  z-index: 1;
}

.site-footer h5 {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.15rem;
  letter-spacing: -0.01em;
}

.site-footer a {
  color: #DCE8D5;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer a:hover {
  color: var(--color-accent); /* Vàng lúa */
}

/* Nút gửi thông tin liên hệ ở Footer (Theo giao diện cũ: viền trắng mảnh, nền trong suốt) */
.site-footer .btn-footer-contact {
  background-color: transparent !important;
  color: #FFFFFF !important;
  border: 1px solid rgba(255, 255, 255, 0.55) !important;
  border-radius: var(--radius-sm);
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.site-footer .btn-footer-contact:hover,
.site-footer .btn-footer-contact:focus {
  background-color: rgba(255, 255, 255, 0.12) !important;
  color: #FFFFFF !important;
  border-color: #FFFFFF !important;
}

.demo-disclaimer-banner {
  background: rgba(242, 204, 96, 0.14);
  border: 1px solid rgba(242, 204, 96, 0.45);
  color: var(--color-accent-light);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 0.85rem;
}

/* Print Stylesheet (for chi-tiet.html window.print) */
@media print {
  .gov-topbar, .site-navbar, .site-footer, .demo-panel, .no-print, .breadcrumb {
    display: none !important;
  }
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
  }
  .casic-card, .pdf-internal-box {
    box-shadow: none !important;
    border: 1px solid #CBD5E1 !important;
  }
}

/* Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Support Windows High Contrast / Forced Colors Mode */
@media (forced-colors: active) {
  .hero-section,
  .cta-banner,
  .gov-topbar,
  .site-footer {
    background: Canvas !important;
    color: CanvasText !important;
    border: 2px solid CanvasText !important;
  }
  .hero-section h1,
  .cta-banner h2,
  .site-footer h5 {
    color: CanvasText !important;
  }
  .casic-card,
  .field-card,
  .kpi-card,
  .research-infographic-section,
  .research-infographic-poster,
  .research-infographic-intro {
    border: 1px solid CanvasText !important;
  }
  .btn-primary-casic,
  .btn-accent-casic,
  .btn-outline-casic,
  .badge-status,
  .site-navbar .dropdown-menu,
  .site-navbar .mega-primary-pane {
    border: 1px solid ButtonText !important;
  }
  .site-navbar .mega-caret {
    background-color: Canvas !important;
    border-color: ButtonText !important;
  }
  .site-navbar .mega-link-card.active,
  .site-navbar .mega-field-link.active,
  .site-navbar .mega-field-link[aria-current="page"] {
    border: 2px solid Highlight !important;
  }
  .site-navbar .nav-link.active::before,
  .site-navbar .nav-link[aria-current="page"]::before,
  .site-navbar .dropdown-toggle::after {
    background-color: CanvasText !important;
  }
}

/* ==========================================================================
   ENHANCED SMART PAGINATION COMPONENT (UI/UX PRO MAX)
   ========================================================================== */
.pagination {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 0;
  padding: 6px 12px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  box-shadow: 0 2px 8px rgba(23, 43, 28, 0.05);
}

.pagination .page-item {
  margin: 0;
}

.pagination .page-item .page-link {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px !important;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-foreground);
  background-color: transparent;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  cursor: pointer;
  box-shadow: none;
}

.pagination .page-item .page-link:hover:not(:disabled) {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: #C8DFB4;
  box-shadow: 0 2px 6px rgba(106, 153, 78, 0.18);
  transform: translateY(-1px);
}

.pagination .page-item.active .page-link {
  background: linear-gradient(135deg var(--in-oklab), var(--color-primary-accessible) 0%, var(--color-primary-dark) 100%) !important;
  color: #FFFFFF !important;
  border-color: transparent !important;
  box-shadow: 0 4px 12px rgba(56, 102, 65, 0.35) !important;
  font-weight: 700;
  transform: translateY(-1px);
}

.pagination .page-item.disabled .page-link {
  color: #94A3B8 !important;
  opacity: 0.45;
  pointer-events: none;
  background-color: transparent !important;
  border-color: transparent !important;
  cursor: not-allowed;
}

.pagination .page-item .page-nav-btn {
  font-size: 0.84rem;
  padding: 0 16px;
  background-color: var(--color-surface-alt);
  border-color: var(--color-border);
}

.pagination .page-item .page-ellipsis {
  cursor: default;
  pointer-events: none;
  color: #94A3B8;
  padding: 0 8px;
  min-width: auto;
}

#research-pagination-info {
  font-size: 0.85rem;
  color: var(--color-muted-foreground);
  background: var(--color-surface-alt);
  display: inline-block;
  padding: 4px 16px;
  border-radius: 9999px;
  border: 1px solid var(--color-border);
}

/* Responsive Adjustments (360px / 768px / 1024px / 1440px) */
@media (max-width: 767.98px) {
  .kpi-strip {
    margin-top: 1rem;
  }
  .brand-title-main {
    font-size: 0.92rem;
  }
  .brand-title-sub {
    font-size: 0.7rem;
  }
  .hero-section {
    padding: 2rem 0;
  }
}


.kpi-number sup {
  font-size: 0.6em;
  top: -0.55em;
  font-weight: 700;
  vertical-align: super;
}