:root {
  --km-bg: hsl(214 40% 97%);
  --km-bg-alt: hsl(214 34% 94%);
  --km-surface: #ffffff;
  --km-surface-2: hsl(214 36% 98%);
  --km-text: hsl(222 34% 16%);
  --km-text-muted: hsl(221 12% 42%);
  --km-border: hsl(218 23% 85%);
  --km-accent: hsl(210 78% 52%);
  --km-accent-soft: hsl(210 54% 74%);
  --km-accent-deep: hsl(210 78% 38%);
  --km-navbar-bg: rgba(255, 255, 255, 0.94);
  --km-sidebar-bg: #ffffff;
  --km-shadow: 0 18px 42px rgba(20, 32, 58, 0.12);
  --km-backdrop: rgba(12, 21, 36, 0.35);
  --km-radius: 16px;
}

body[data-site-mode="dark-night"] {
  color-scheme: dark;
}

body {
  color: var(--km-text);
  background-color: var(--km-bg);
  background-image:
    radial-gradient(circle at 10% -20%, var(--km-accent-soft), transparent 42%),
    radial-gradient(circle at 100% 0, var(--km-accent-soft), transparent 48%),
    linear-gradient(180deg, var(--km-bg-alt), var(--km-bg));
  min-height: 100vh;
}

a {
  color: var(--km-accent-deep);
}

a:hover {
  color: var(--km-accent);
}

#content {
  padding-bottom: 2rem;
}

.site-navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: var(--km-navbar-bg);
  backdrop-filter: saturate(145%) blur(10px);
  border-bottom: 1px solid var(--km-border);
}

.navbar-logo .site-logo,
.navbar-brand .site-logo {
  max-height: 58px;
  width: auto;
}

.home-search-box .form-control,
.home-search-box .input-group-text,
.sidebar-body .form-control,
.sidebar-body .input-group-text {
  border-color: var(--km-border);
  color: var(--km-text);
  background: var(--km-surface);
}

.home-search-box .btn-primary,
.home-search-box .input-group-text,
.btn-primary,
.btn-secondary,
.btn-info,
.btn-success,
.btn-warning,
.btn-danger {
  border-color: transparent;
  border-radius: 12px;
}

.btn-primary,
.home-search-box .btn-primary {
  background: linear-gradient(135deg, var(--km-accent), var(--km-accent-deep));
  box-shadow: 0 10px 20px rgba(13, 71, 161, 0.28);
}

.btn-primary:hover,
.home-search-box .btn-primary:hover {
  filter: brightness(1.06);
}

.btn-outline-dark {
  border-color: var(--km-border);
  color: var(--km-text);
}

.btn-outline-dark:hover {
  background: var(--km-surface-2);
  color: var(--km-accent-deep);
}

.site-heading > span,
.sidebar-heading > span {
  color: var(--km-text);
}

.post-item,
.sidebar-post-item,
.sidebar-block,
.post-single,
.single-comments,
.carousel-inner,
.ad-block > div {
  background: var(--km-surface);
  color: var(--km-text);
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius);
  box-shadow: var(--km-shadow);
}

.post-item,
.sidebar-post-item,
.sidebar-block,
.single-comments {
  overflow: hidden;
}

.post-item .post-title,
.sidebar-post-item .post-title,
.post-single-title {
  color: var(--km-text);
}

.post-footer,
.post-time,
.text-muted,
.breadcrumb,
.breadcrumb a,
.footer-block,
.footer-block a {
  color: var(--km-text-muted) !important;
}

.post-single-content,
.post-single-content p,
.post-single-content li,
.post-single-content blockquote {
  color: var(--km-text);
}

.post-single-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.post-single-content iframe,
.post-single-content video {
  width: 100%;
  max-width: 100%;
  border-radius: 12px;
}

.post-single-content table {
  display: block;
  width: 100%;
  overflow-x: auto;
}

.post-single-image {
  border-top: 1px solid var(--km-border);
  border-bottom: 1px solid var(--km-border);
}

.carousel-caption {
  background: linear-gradient(180deg, transparent, var(--km-backdrop));
  border-radius: 0 0 var(--km-radius) var(--km-radius);
}

.caption-label {
  color: hsl(0 0% 100%);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.42);
}

.navbar-categories .nav-link {
  border-radius: 12px;
  color: var(--km-text);
}

.navbar-categories .nav-link:hover,
.navbar-categories .nav-link.active {
  color: var(--km-accent-deep);
  background: var(--km-accent-soft);
}

.sidebar {
  background: transparent;
}

.progress-container {
  background: var(--km-border);
}

#progressbar {
  background: linear-gradient(90deg, var(--km-accent), var(--km-accent-deep));
}

.back-top {
  background: var(--km-accent);
  color: #fff;
  border-radius: 999px;
  width: 42px;
  height: 42px;
  line-height: 42px;
  text-align: center;
  box-shadow: 0 10px 24px rgba(13, 71, 161, 0.32);
}

.pagination .page-link {
  border-color: var(--km-border);
  background: var(--km-surface);
  color: var(--km-text);
}

.pagination .page-item.active .page-link,
.pagination .page-link:hover {
  background: var(--km-accent);
  border-color: var(--km-accent);
  color: #fff;
}

.offcanvas-collapse {
  background: var(--km-sidebar-bg);
}

input,
select,
textarea {
  background-color: var(--km-surface);
  color: var(--km-text);
  border-color: var(--km-border);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--km-accent);
  box-shadow: 0 0 0 0.15rem rgba(13, 71, 161, 0.22);
}

.post-single-content blockquote {
  border-left: 4px solid var(--km-accent);
  background: var(--km-surface-2);
  border-radius: 12px;
  padding: 0.85rem 1rem;
}

@media (max-width: 991.98px) {
  .container {
    max-width: 100%;
  }

  .site-navbar .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .navbar-logo .site-logo,
  .navbar-brand .site-logo {
    max-height: 50px;
  }

  .sidebar-left,
  .sidebar-right {
    margin-top: 0.75rem;
  }
}

@media (max-width: 767.98px) {
  body {
    background-image: linear-gradient(180deg, var(--km-bg-alt), var(--km-bg));
  }

  .post-item > .d-flex,
  .sidebar-post-item .d-flex {
    flex-direction: column;
  }

  .post-feat-image,
  .post-feat-image .post-img-link,
  .post-feat-image .post-feat-img {
    width: 100%;
  }

  .post-feat-image .post-feat-img {
    border-radius: 12px;
  }

  .post-info {
    padding: 0.8rem !important;
  }

  .carousel-caption {
    padding: 0.8rem;
  }

  .caption-label {
    font-size: 0.95rem;
  }

  .post-single,
  .sidebar-block,
  .post-item {
    border-radius: 14px;
  }
}