/* --- Material 3 Color System & Typography (Approximation) --- */
:root {
  /* Dynamic colors - these would be generated programmatically in a real M3 app */
  --md-sys-color-primary: #006b53;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #82f8d0;
  --md-sys-color-on-primary-container: #002117;
  --md-sys-color-secondary: #4c635a;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #cee9dc;
  --md-sys-color-on-secondary-container: #092018;
  --md-sys-color-tertiary: #4c635a;
  --md-sys-color-on-tertiary: #ffffff;
  --md-sys-color-tertiary-container: #cee9dc;
  --md-sys-color-on-tertiary-container: #092018;
  --md-sys-color-surface: #fbfdf9;
  --md-sys-color-on-surface: #191c1b;
  --md-sys-color-surface-variant: #dce5e0;
  --md-sys-color-on-surface-variant: #404944;
  --md-sys-color-outline: #707974;
  --md-sys-color-error: #ba1a1a;
  --md-sys-color-on-error: #ffffff;

  /* Additional colors for ethnic group boxes, chosen to complement M3 palette */
  --color-kachin: #5d8e7e; /* Earthy Green-Blue */
  --color-kayar: #a05c6d; /* Muted Rose */
  --color-karen: #7e715d; /* Warm Grey-Brown */
  --color-chin: #5c7b8e; /* Dusty Blue */
  --color-bamar: #a08e5c; /* Golden Tan */
  --color-mon: #8e5d7e; /* Soft Purple */
  --color-rakhine: #5d8ea0; /* Light Teal */
  --color-shan: #7e5d5d; /* Rusty Red */
}

/* Global Box Sizing for consistency */
html {
  box-sizing: border-box;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}

/* --- Global Styles --- */
body {
  font-family: "Noto Sans Myanmar", sans-serif;
  color: var(--md-sys-color-on-surface);
  background-color: var(--md-sys-color-surface);
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand,
.navbar-nav .nav-link {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
}

/* --- Navbar (M3 style) --- */
#top-navbar {
  background-color: rgba(1, 1, 1, 0.3) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

#top-navbar .nav-link,
#top-navbar .navbar-brand {
  color: var(--md-sys-color-on-primary) !important;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.5); /* Optional: Adds readability */
}

.navbar-scrolled {
  background-color: var(--md-sys-color-surface) !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-scrolled .nav-link,
.navbar-scrolled .navbar-brand {
  color: var(--md-sys-color-on-surface) !important;
  text-shadow: none;
}

.dropdown-menu {
  background-color: var(--md-sys-color-surface);
  border: none;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dropdown-item {
  color: var(--md-sys-color-on-surface) !important;
}

.dropdown-item:hover {
  background-color: var(--md-sys-color-secondary-container);
}

/* --- Hero Section --- */
.hero-bg {
  background: linear-gradient(
    135deg,
    var(--md-sys-color-primary),
    var(--md-sys-color-secondary)
  );
  color: var(--md-sys-color-on-primary);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex; /* Makes the hero a flex container */
  align-items: center; /* Vertically centers content within the hero section */
}

/* --- Map Positioning --- */
/* The parent .col-lg-4 now handles all positioning to make it simple */
.map-box {
  /* No need for d-flex here, the parent column handles it */
  height: calc(100vh - 4rem);
  padding-bottom: 2rem;
  /* Removed padding from here as it's better on the parent element */
}

.map-box img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  display: block;
  box-shadow: none;
  border-radius: 0;
}

/* --- Cards (M3 style) --- */
.card {
  background-color: var(--md-sys-color-surface-variant);
  color: var(--md-sys-color-on-surface-variant);
  border: none;
  border-radius: 1.5rem; /* More rounded corners for M3 */
  box-shadow: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15); /* M3-style elevation */
}

.card-ethnic .card-body small {
  color: var(--md-sys-color-on-surface-variant);
}

/* Ethnic Color Boxes */
.ethnic-color-box {
  height: 160px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top-left-radius: calc(1.5rem - 1px);
  border-top-right-radius: calc(1.5rem - 1px);
}

/* Specific colors for each ethnic group */
.bg-kachin {
  background-color: var(--color-kachin);
}
.bg-kayar {
  background-color: var(--color-kayar);
}
.bg-karen {
  background-color: var(--color-karen);
}
.bg-chin {
  background-color: var(--color-chin);
}
.bg-bamar {
  background-color: var(--color-bamar);
}
.bg-mon {
  background-color: var(--color-mon);
}
.bg-rakhine {
  background-color: var(--color-rakhine);
}
.bg-shan {
  background-color: var(--color-shan);
}

/* --- Buttons (M3 style) --- */
.btn-outline-primary {
  border-color: var(--md-sys-color-on-primary);
  color: var(--md-sys-color-on-primary);
  border-radius: 1.5rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn-outline-primary:hover {
  background-color: var(--md-sys-color-on-primary);
  color: var(--md-sys-color-primary);
}

/* --- Footer --- */
footer {
  background-color: var(--md-sys-color-surface-variant) !important;
  color: var(--md-sys-color-on-surface-variant) !important;
}

footer a {
  color: var(--md-sys-color-on-surface-variant) !important;
}

/* --- Responsive Adjustments --- */
@media (max-width: 992px) {
  .hero-bg {
    padding-top: 7rem;
  }
}

.dropdown-menu {
  background-color: var(--md-sys-color-surface);
  border: none;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dropdown-item {
  color: var(--md-sys-color-on-surface) !important;
}

.dropdown-item:hover {
  background-color: var(--md-sys-color-secondary-container);
}

/* --- Hero Section --- */
.ethnic-hero {
  background: linear-gradient(135deg, #5c7b8e, #4c635a);
  color: var(--md-sys-color-on-primary);
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ethnic-hero h1 {
  font-size: 3rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* --- Two-Column Layout --- */
.two-column-layout {
  flex: 1; /* Take up remaining space */
}
.sidebar {
  background-color: var(--md-sys-color-surface-variant);
  padding: 2rem;
  flex-shrink: 0;
}
.sidebar-title {
  text-align: center;
  border-bottom: 2px solid var(--md-sys-color-outline);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}
.sidebar-list {
  list-style-type: none;
  padding-left: 0;
}
.sidebar-list a {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 500;
  border-radius: 0.75rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.sidebar-list a:hover {
  background-color: #d2e4d9;
  color: var(--md-sys-color-on-secondary-container);
}
.sidebar-list a.active {
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}
.main-content {
  padding: 2rem;
}

/* --- Content Sections --- */
.content-section {
  padding: 4rem 0;
}

.div_padding {
  padding: 4rem 0;
}

.content-image-box {
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.content-image-box img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- Footer --- */
footer {
  background-color: var(--md-sys-color-surface-variant) !important;
  color: var(--md-sys-color-on-surface-variant) !important;
}

footer a {
  color: var(--md-sys-color-on-surface-variant) !important;
}

/* --- Responsive Adjustments --- */
@media (max-width: 992px) {
  .ethnic-hero {
    padding-top: 7rem;
  }
}

/* Specific styles for sticky sidebar */
@media (min-width: 992px) {
  .sidebar {
    position: sticky;
    top: 3.5rem; /* Account for the fixed navbar height */
    height: calc(100vh - 3.5rem); /* Make it fill the viewport height */
    overflow-y: auto; /* Allow scrolling if content is too long */
  }
}

.offcanvas {
  height: 100vh !important;
  background-color: #0b433a;
  color: white;
}

.arrow {
  color: white;
  transition: transform 0.3s;
}

a[data-bs-toggle="collapse"].collapsed .arrow {
  transform: rotate(0deg);
}

a[data-bs-toggle="collapse"]:not(.collapsed) .arrow {
  transform: rotate(180deg);
}

.ethnic-a {
  font-size: 12px;
  padding-bottom: 4px;
  padding-top: 4px;
}

.navbar-toggler {
  border: none !important;
  box-shadow: none !important;
  background: transparent !important;
  padding: 0.25rem 0.5rem;
}

.dropdown-item.active,
.dropdown-item:active {
  background-color: #0b433a !important;
  color: #fff !important;
}

.dropdown-item:hover {
  background-color: #145c52 !important;
  color: #fff !important;
}