/* Blogen — modern English blog theme */

:root {
  --ink: #18181B;
  --canvas: #F4F4F5;
  --paper: #FFFFFF;
  --line: #E4E4E7;
  --mute: #71717A;
  --sky: #0284C8;
  --sky-soft: #0EA5E9;
  --sky-deep: #0369A1;
  --sky-faint: #E0F2FE;
}

body {
  font-family: 'Outfit', system-ui, sans-serif;
  background-color: var(--canvas);
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
}

/* Soft backdrop */
.blogen-bg {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 45% at 0% -5%, rgba(2, 132, 200, 0.08), transparent 55%),
    radial-gradient(ellipse 50% 35% at 100% 100%, rgba(24, 24, 27, 0.04), transparent 50%),
    linear-gradient(180deg, #F8F8F9 0%, #F4F4F5 50%, #F0F0F1 100%);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-up {
  animation: fade-up 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@media (prefers-reduced-motion: reduce) {
  .animate-fade-up {
    animation: none;
  }
}

/* Navigation */
.nav-menu,
.nav-menu-mobile {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem;
}

.nav-menu > li > a {
  display: inline-block;
  padding: 0.45rem 0.7rem;
  border-radius: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--mute);
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
  color: var(--sky);
  background: var(--sky-faint);
}

.nav-menu li > ul {
  display: none;
}

.nav-menu-mobile li {
  margin-bottom: 0.35rem;
}

.nav-menu-mobile a {
  display: block;
  padding: 0.85rem 0.65rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-radius: 0.75rem;
  transition: background 0.2s, color 0.2s;
}

.nav-menu-mobile a:hover {
  background: var(--sky-faint);
  color: var(--sky-deep);
}

.nav-menu-mobile li > ul {
  margin-left: 0.85rem;
  margin-top: 0.2rem;
}

.menu-mobile {
  display: none;
}

.is-menu-open .menu-mobile {
  display: block;
}

.is-menu-open {
  overflow: hidden;
}

/* Search */
.search-form {
  display: none;
}

.is-search-open .search-form {
  display: flex;
}

.is-search-open {
  overflow: hidden;
}

/* Tags */
.tags a {
  display: inline-flex;
  align-items: center;
  margin-right: 0.4rem;
  margin-bottom: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--sky);
  background: var(--sky-faint);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.tags a:hover {
  background: var(--sky);
  color: #fff;
}

.category a {
  text-decoration: none;
}

/* Social */
.social-links a,
.social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.75rem;
  color: var(--mute);
  background: var(--canvas);
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
}

.social-links a:hover,
.social a:hover {
  background: var(--sky);
  color: #fff;
}

.social-links img,
.social img {
  width: 1.1rem;
  height: 1.1rem;
}

/* Prose */
.prose-blogen {
  line-height: 1.75;
  color: var(--mute);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.prose-blogen > *:first-child {
  margin-top: 0;
}

.prose-blogen h1,
.prose-blogen h2,
.prose-blogen h3,
.prose-blogen h4 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.35;
  margin-top: 1.75em;
  margin-bottom: 0.55em;
}

.prose-blogen h2 { font-size: 1.35rem; }
.prose-blogen h3 { font-size: 1.15rem; }

@media (min-width: 640px) {
  .prose-blogen h2 { font-size: 1.5rem; }
  .prose-blogen h3 { font-size: 1.25rem; }
}

.prose-blogen p,
.prose-blogen ul,
.prose-blogen ol {
  margin-bottom: 1.15em;
}

.prose-blogen a {
  color: var(--sky);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.prose-blogen a:hover {
  color: var(--sky-deep);
}

.prose-blogen img {
  max-width: 100%;
  height: auto;
  border-radius: 1rem;
  margin: 1.35em 0;
}

.prose-blogen blockquote,
.blogen-quote {
  margin: 1.5em 0;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--sky);
  background: var(--paper);
  border-radius: 0 0.75rem 0.75rem 0;
  color: var(--ink);
  font-style: normal;
}

.prose-blogen pre {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.9rem 1.1rem;
  border-radius: 0.75rem;
  background: var(--ink);
  color: #e4e4e7;
  font-size: 0.8125rem;
  margin: 1.35em 0;
}

.prose-blogen code {
  font-size: 0.875em;
  padding: 0.12em 0.35em;
  border-radius: 0.3rem;
  background: var(--line);
  color: var(--ink);
}

.prose-blogen pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.prose-blogen table {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-collapse: collapse;
  margin: 1.35em 0;
  font-size: 0.9rem;
}

.prose-blogen th,
.prose-blogen td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.75rem;
  text-align: left;
  white-space: nowrap;
}

.prose-blogen th {
  background: var(--paper);
  color: var(--ink);
  font-weight: 600;
}

.prose-blogen hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2.25em 0;
}

.prose-blogen iframe,
.prose-blogen video {
  max-width: 100%;
}

/* Related / recent */
.related-posts ul,
.recent-posts ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.related-posts li,
.recent-posts li {
  margin-bottom: 0.6rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.related-posts li:last-child,
.recent-posts li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.related-posts a,
.recent-posts a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.related-posts a:hover,
.recent-posts a:hover {
  color: var(--sky);
}

/* Thumbnails */
.thumbnail {
  position: relative;
  display: block;
}

.thumb-icon {
  background: rgba(24, 24, 27, 0.75);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 0.75rem;
  transition: background 0.3s, color 0.3s;
}

.thumbnail:hover .thumb-icon {
  background: #fff;
  color: var(--ink);
}

.read-more {
  color: var(--sky);
  font-weight: 600;
  text-decoration: none;
}

.read-more:hover {
  color: var(--sky-deep);
}

:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}

/* Safe area for notched phones */
@supports (padding: env(safe-area-inset-bottom)) {
  #scroll-up {
    bottom: calc(1.25rem + env(safe-area-inset-bottom));
  }

  footer {
    padding-bottom: env(safe-area-inset-bottom);
  }
}