.btn-primary,
.btn-secondary {
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-active-color: #fff;
  --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
  --bs-btn-disabled-color: #fff;
}
.article img,
.logo-wrap img {
  max-width: 100%;
}
.footer-title,
.section-title {
  font-weight: 700;
}
:root {
  color-scheme: dark;
}
*,
::after,
::before {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family:
    Roboto,
    system-ui,
    -apple-system,
    Segoe UI,
    Arial,
    sans-serif;
  background: var(--page-bg-color);
  color: rgba(255, 255, 255, 0.92);
}
.app {
  min-height: 100vh;
}
.site-header {
  background: var(--header-bg-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.content-card {
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 6px rgba(255, 255, 255, 0.1);
}
.logo-wrap img {
  display: block;
  width: auto;
  max-height: 56px;
}
.navbar-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
}
.hero-inner,
.to-top {
  display: grid;
  place-items: center;
}
.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  padding: 8px 16px;
  border-radius: 0;
}
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link:hover {
  color: var(--primary-color);
  background: 0 0;
}
.scroll-target {
  scroll-margin-top: 96px;
}
.btn-pill {
  border-radius: 999px;
}
.btn {
  transition:
    transform 0.12s,
    filter 0.12s;
}
.accordion-button,
.toc-list a {
  transition:
    background 0.3s,
    color 0.3s;
}
.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}
.btn-primary {
  --bs-btn-bg: var(--primary-color);
  --bs-btn-border-color: var(--primary-color);
  --bs-btn-hover-bg: var(--primary-color-hover);
  --bs-btn-hover-border-color: var(--primary-color-hover);
  --bs-btn-focus-shadow-rgb: 49, 132, 253;
  --bs-btn-active-bg: var(--primary-color-hover);
  --bs-btn-active-border-color: var(--primary-color-hover);
  --bs-btn-disabled-bg: var(--primary-color);
  --bs-btn-disabled-border-color: var(--primary-color);
}
.btn-secondary {
  --bs-btn-bg: var(--secondary-color);
  --bs-btn-border-color: var(--secondary-color);
  --bs-btn-hover-bg: var(--secondary-color-hover);
  --bs-btn-hover-border-color: var(--secondary-color-hover);
  --bs-btn-focus-shadow-rgb: 130, 138, 145;
  --bs-btn-active-bg: var(--secondary-color-hover);
  --bs-btn-active-border-color: var(--secondary-color-hover);
  --bs-btn-disabled-bg: var(--secondary-color);
  --bs-btn-disabled-border-color: var(--secondary-color);
}
.btn-pulse {
  background-color: var(--secondary-color);
  color: #fff;
  animation: 1.5s infinite pulse;
}
@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}
.table-primary {
  --bs-table-color: #fff;
  --bs-table-bg: var(--primary-color);
  --bs-table-border-color: var(--primary-color);
  --bs-table-striped-bg: var(--primary-color);
  --bs-table-striped-color: #fff;
  --bs-table-active-bg: var(--primary-color);
  --bs-table-active-color: #fff;
  --bs-table-hover-bg: var(--primary-color-hover);
  --bs-table-hover-color: #fff;
  color: var(--bs-table-color);
  border-color: var(--bs-table-border-color);
}
.hover-white:hover,
.table-primary td {
  color: #fff !important;
}
.table td p {
  color: inherit;
  margin-bottom: 0;
}
.table tr.table-primary p {
  font-size: 1.1rem;
}
.hero {
  position: relative;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: 56px 12px;
}
.hero-card {
  max-width: 860px;
  padding: 28px;
  border-radius: 18px;
  background: rgba(17, 24, 39, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
}
.text-white-75 {
  color: rgba(255, 255, 255, 0.75) !important;
}
.content-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}
.accordion-button {
  background: var(--primary-color);
}
.accordion-body,
.accordion-item,
.inline-banner {
  backdrop-filter: blur(5px);
}
.section-title {
  letter-spacing: 0.2px;
}
.article h2,
.article h3 {
  margin-top: 1.6rem;
}
.article h2 {
  font-size: 1.8rem;
}
.article h3 {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.88);
}
.article * {
  color: #fff;
}
.article img[style*="float:left"] {
  margin: 5px 15px 0 0;
}
.article img[style*="float:right"] {
  margin: 5px 0 0 15px;
}
.accordion-item {
  border-radius: var(--bs-accordion-border-radius) !important;
}
.accordion-body,
.accordion-button {
  border-radius: var(--bs-accordion-border-radius-inner) !important;
}
.accordion-button:not(.collapsed) {
  background: var(--primary-color);
  box-shadow: none !important;
}
.accordion-body {
  background: var(--page-bg-color);
}
.toc-list a {
  display: block;
  padding: 8px 10px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}
.toc-list a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}
.accordion-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  overflow: hidden;
}
.accordion-button {
  background: var(--primary-color);
  color: rgba(255, 255, 255, 0.92) !important;
  border: none;
  border-radius: 16px;
  padding: 12px;
}
.accordion-body {
  background: var(--page-bg-color);
  color: rgba(255, 255, 255, 0.85);
  padding: 1rem;
  border-radius: 16px;
}
.inline-banner {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(
      700px 300px at 10% 20%,
      rgba(34, 197, 94, 0.18),
      transparent 55%
    ),
    radial-gradient(
      800px 400px at 90% 40%,
      rgba(59, 130, 246, 0.18),
      transparent 60%
    ),
    rgba(255, 255, 255, 0.03);
  position: relative;
  min-height: 200px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.inline-banner::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  bottom: 0;
  background: 0 0;
}
.site-footer {
  background: var(--footer-bg-color);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-top {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-link {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}
.footer-link:hover {
  color: #fff;
  text-decoration: underline;
}
.offcanvas {
  background-color: var(--page-bg-color);
  max-width: 80%;
}
.to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 44px;
  height: 44px;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity 0.15s,
    transform 0.15s,
    visibility 0.15s;
  z-index: 1055;
}
@media (max-width: 991.98px) {
  .hero {
    min-height: 300px;
  }
  .hero-inner {
    padding: 42px 12px;
  }
  .hero-card {
    padding: 20px;
    border-radius: 16px;
  }
  .scroll-target {
    scroll-margin-top: 88px;
  }
  .logo-wrap {
    max-width: 80%;
  }
  .inline-banner::before {
    background: rgba(0, 0, 0, 0.1);
  }
}
@media (max-width: 767px) {
  .hero--mob-right {
    background-position: right top;
  }
  .hero--mob-left {
    background-position: left top;
  }
  .hero--mob-center {
    background-position: center top;
  }
}