/* Global light/dark theme controls. Dark mode remains the original default. */
html[data-theme="dark"] {
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
  --leo-navy: #dce9f1;
  --leo-navy-soft: #edf4f8;
  --leo-blue: #477f9a;
  --leo-blue-bright: #397b9b;
  --leo-gold: #a9791d;
  --leo-ink: #172235;
  --leo-muted: #4c5a6e;
  --leo-surface: #ffffff;
  --leo-surface-raised: #f4f8fb;
  --leo-canvas: #edf3f7;
  --leo-line: rgba(55, 108, 136, 0.20);
  --leo-shadow: 0 18px 42px rgba(39, 64, 84, 0.12);
}

body,
.navbar,
.navbar-collapse,
.navbar .dropdown-menu,
.footer,
.officer_card,
.president_card,
.award-card-2025-26,
.newsletter,
.service-item,
.about-tab,
.award,
.pro-award,
.app-award {
  transition:
    color 260ms ease,
    background-color 300ms ease,
    border-color 260ms ease,
    box-shadow 300ms ease;
}

/* Theme control */
.theme-toggle {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 9px;
  margin: 0 0 0 10px;
  padding: 5px 11px 5px 6px;
  border: 1px solid rgba(109, 180, 213, 0.28);
  border-radius: 999px;
  color: #eaf0f8;
  background: rgba(109, 180, 213, 0.10);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: color 220ms ease, background 220ms ease, border-color 220ms ease, transform 180ms ease;
}

.theme-toggle:hover {
  border-color: rgba(109, 180, 213, 0.60);
  background: rgba(109, 180, 213, 0.18);
  transform: translateY(-1px);
}

.theme-toggle__track {
  position: relative;
  display: inline-flex;
  width: 45px;
  height: 26px;
  align-items: center;
  justify-content: space-between;
  padding: 0 6px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  background: #0c1320;
}

.theme-toggle__track i {
  position: relative;
  z-index: 1;
  font-size: 10px;
}

.theme-toggle__sun {
  color: #f6c85f;
}

.theme-toggle__moon {
  color: #cbd7e6;
}

.theme-toggle__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.32);
  transform: translateX(19px);
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1), background 220ms ease;
}

html[data-theme="light"] .theme-toggle__thumb {
  background: #fff8df;
  transform: translateX(0);
}

html[data-theme="light"] .theme-toggle {
  border-color: rgba(55, 108, 136, 0.24);
  color: #263449;
  background: rgba(71, 127, 154, 0.10);
}

html[data-theme="light"] .theme-toggle__track {
  background: #dce9f1;
}

/* Light palette overrides for shared navigation and page surfaces. */
html[data-theme="light"] body {
  color: var(--leo-muted);
  background-color: var(--leo-canvas);
  background-image:
    radial-gradient(circle at 5% 8%, rgba(84, 140, 168, 0.12), transparent 26%),
    radial-gradient(circle at 94% 40%, rgba(109, 180, 213, 0.10), transparent 22%);
}

html[data-theme="light"] .navbar,
html[data-theme="light"] .navbar.nav-sticky {
  border-bottom-color: rgba(55, 108, 136, 0.18);
  background: rgba(249, 252, 254, 0.97) !important;
  box-shadow: 0 9px 28px rgba(39, 64, 84, 0.13);
}

html[data-theme="light"] .navbar .navbar-brand,
html[data-theme="light"] .navbar .navbar-brand:hover {
  color: #172235 !important;
  text-shadow: none;
}

html[data-theme="light"] .navbar-dark .navbar-nav .nav-link,
html[data-theme="light"] .navbar-dark .navbar-nav .nav-link:focus {
  color: #334155;
}

html[data-theme="light"] .navbar-dark .navbar-nav .nav-link:hover,
html[data-theme="light"] .navbar-dark .navbar-nav .nav-link.active {
  color: #214f68;
  background: rgba(71, 127, 154, 0.14);
}

html[data-theme="light"] .navbar .dropdown-menu {
  border-color: rgba(55, 108, 136, 0.18);
  background: rgba(255, 255, 255, 0.99);
  box-shadow: 0 18px 42px rgba(39, 64, 84, 0.16);
}

html[data-theme="light"] .navbar .dropdown-item {
  color: #273449;
}

html[data-theme="light"] .navbar-toggler {
  border-color: rgba(55, 108, 136, 0.32);
}

html[data-theme="light"] .navbar-toggler-icon {
  filter: invert(1) grayscale(1) brightness(0.35);
}

html[data-theme="light"] .service .service-text::before,
html[data-theme="light"] .testimonial .testimonial-profile,
html[data-theme="light"] .about .about-tab .nav.nav-pills .nav-link {
  border-color: rgba(55, 108, 136, 0.16);
}

html[data-theme="light"] .service .service-text::before {
  background: rgba(55, 108, 136, 0.16);
}

html[data-theme="light"] body.page-internal .officer_card,
html[data-theme="light"] body.page-internal .president_card,
html[data-theme="light"] body.page-internal .dir_card {
  border-color: rgba(55, 108, 136, 0.20);
  background: linear-gradient(145deg, #ffffff, #f4f8fb) !important;
  box-shadow: var(--leo-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

html[data-theme="light"] body.page-internal .officer_card .officer_pos,
html[data-theme="light"] body.page-internal .officer_card .dir_pos,
html[data-theme="light"] body.page-internal .president_card .officer_pos,
html[data-theme="light"] body.page-internal .president_card .dir_pos {
  color: #243247 !important;
}

html[data-theme="light"] body.page-internal .officer_card .officer_name,
html[data-theme="light"] body.page-internal .president_card .officer_name,
html[data-theme="light"] body.page-internal .officer_year,
html[data-theme="light"] body.page-internal .only-name {
  color: #43526a !important;
}

html[data-theme="light"] body.page-internal .desc,
html[data-theme="light"] body.page-internal .logo-desc,
html[data-theme="light"] body.page-internal .dis-desc,
html[data-theme="light"] body.page-internal .mul-dis-desc,
html[data-theme="light"] body.page-internal .president_desc,
html[data-theme="light"] .newsletter-text,
html[data-theme="light"] .award_org {
  color: #4c5a6e !important;
}

html[data-theme="light"] .award-card-2025-26,
html[data-theme="light"] .newsletter-container .newsletter {
  background: #ffffff;
}

html[data-theme="light"] .award-card-2025-26 h4,
html[data-theme="light"] .award,
html[data-theme="light"] .pro-award,
html[data-theme="light"] .app-award {
  background: linear-gradient(145deg, #ffffff, #f4f8fb);
}

html[data-theme="light"] .award-card-2025-26 h4,
html[data-theme="light"] .awards-2025-26 .award_ceremony,
html[data-theme="light"] .awards-2025-26 .award-section-title,
html[data-theme="light"] .award_ceremony {
  color: #8c651b;
}

html[data-theme="light"] .award .award-text,
html[data-theme="light"] .pro-award .award-text,
html[data-theme="light"] .pro-award .pro-award-text,
html[data-theme="light"] .app-award .award-text {
  color: #334155;
}

html[data-theme="light"] .footer {
  border-top-color: rgba(55, 108, 136, 0.18);
  background:
    radial-gradient(circle at 15% 10%, rgba(84, 140, 168, 0.16), transparent 28%),
    linear-gradient(145deg, #e5eef4, #f6f9fb);
}

html[data-theme="light"] .footer h2,
html[data-theme="light"] .footer p,
html[data-theme="light"] .footer a {
  color: #334155;
}

html[data-theme="light"] .form-control {
  border-color: rgba(55, 108, 136, 0.22);
  color: #263449;
  background: #ffffff;
}

@media (max-width: 991.98px) {
  .theme-toggle {
    width: 100%;
    justify-content: flex-start;
    margin: 6px 0 2px;
    padding: 7px 12px 7px 8px;
  }

  html[data-theme="light"] .navbar,
  html[data-theme="light"] .navbar.nav-sticky,
  html[data-theme="light"] .navbar-collapse {
    background: rgba(249, 252, 254, 0.99) !important;
  }

  html[data-theme="light"] .navbar-collapse {
    border-color: rgba(55, 108, 136, 0.18);
    box-shadow: 0 18px 32px rgba(39, 64, 84, 0.16);
  }
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle,
  .theme-toggle__thumb,
  body,
  .navbar,
  .navbar-collapse,
  .navbar .dropdown-menu,
  .footer,
  .officer_card,
  .president_card,
  .award-card-2025-26,
  .newsletter,
  .service-item,
  .about-tab,
  .award,
  .pro-award,
  .app-award {
    transition: none !important;
  }
}