/* Custom visual flair for the site */
body {
  font-family: 'Avenir', 'Segoe UI', 'Arial', sans-serif;
}
.header {
  background: linear-gradient(90deg, #1e3a8a 0%, #2563eb 100%);
  color: #fff;
}
.site-title {
  font-weight: 700;
  letter-spacing: 1px;
}
.read-more {
  color: #2563eb;
  text-decoration: underline;
}
@media (prefers-color-scheme: dark) {
  body {
    background: #18181b;
    color: #e5e7eb;
  }
  .header {
    background: linear-gradient(90deg, #2563eb 0%, #1e3a8a 100%);
  }
  .read-more {
    color: #60a5fa;
  }
}
.pdf-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 2rem auto;
  padding: 2rem;
  background: rgba(255,255,255,0.85);
  border-radius: 1.5rem;
  box-shadow: 0 8px 32px rgba(30,58,138,0.18);
  max-width: 900px;
  animation: fadeInUp 1s cubic-bezier(.39,.575,.565,1) both;
}
.pdf-card embed {
  border-radius: 1rem;
  box-shadow: 0 4px 16px rgba(30,58,138,0.12);
  width: 100%;
  max-width: 1000px;
  height: 1000px;
  background: #f8fafc;
}
@media (max-width: 1200px) {
  .pdf-card embed {
    max-width: 90vw;
    height: 70vw;
  }
}
@media (max-width: 600px) {
  .pdf-card embed {
    max-width: 100vw;
    height: 60vw;
  }
}
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
.glass {
  background: rgba(255,255,255,0.25);
  box-shadow: 0 8px 32px 0 rgba(31,38,135,0.37);
  backdrop-filter: blur(8px);
  border-radius: 1rem;
  border: 1px solid rgba(255,255,255,0.18);
}
.btn {
  display: inline-block;
  padding: 0.75em 1.5em;
  border-radius: 2em;
  background: linear-gradient(90deg, #2563eb 0%, #1e3a8a 100%);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(30,58,138,0.12);
  transition: background 0.3s, transform 0.2s;
  text-decoration: none;
}
.btn:hover {
  background: linear-gradient(90deg, #1e3a8a 0%, #2563eb 100%);
  transform: scale(1.05);
}
.ananke-socials a {
  transition: transform 0.2s;
}
.ananke-socials a:hover {
  transform: scale(1.2);
}
.theme-toggle {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  z-index: 1000;
  background: #fff;
  color: #2563eb;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  box-shadow: 0 2px 8px rgba(30,58,138,0.12);
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, color 0.3s;
}
.theme-toggle.dark {
  background: #18181b;
  color: #fff;
}
/* Language toggle button (flags) */
.theme-toggle.btn {
  padding: 0.25em 0.5em;
  display: flex;
  align-items: center;
  gap: 0.5em;
  background: rgba(255,255,255,0.85);
  border-radius: 2em;
  box-shadow: 0 2px 8px rgba(30,58,138,0.12);
  min-width: 60px;
  min-height: 40px;
  height: auto;
  width: auto;
  border: none;
  font-size: 1em;
  font-weight: 600;
  color: #2563eb;
  transition: background 0.3s, color 0.3s, box-shadow 0.2s;
}
.theme-toggle.btn:hover, .theme-toggle.btn:focus {
  background: #e0e7ff;
  box-shadow: 0 4px 16px rgba(30,58,138,0.18);
  outline: none;
}
.theme-toggle.btn img {
  height: 2em;
  width: 2.5em;
  vertical-align: middle;
  display: inline-block;
  border-radius: 0.25em;
  box-shadow: 0 1px 4px rgba(30,58,138,0.10);
}
.theme-toggle.btn span {
  font-size: 1em;
  color: #2563eb;
  font-weight: 600;
  letter-spacing: 0.5px;
}
@media (max-width: 600px) {
  .theme-toggle.btn {
    min-width: 40px;
    min-height: 32px;
    font-size: 0.9em;
    gap: 0.25em;
    padding: 0.15em 0.3em;
  }
  .theme-toggle.btn img {
    height: 1.5em;
    width: 2em;
  }
}