/* Article page base styles (page-specific only) */

/* Let header/footer span full width; constrain content via article container */
body {
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: #333;
  background-color: #fafafa;
}

/* Content container */
article {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Content header (article top section) */
.header,
.article-header {
  text-align: left;
  margin-bottom: 10px;
  background: transparent;
  color: inherit;
  padding: 40px 20px 10px;
  border-radius: 10px;
}

.header>p:last-child,
.article-header>p:last-child {
  margin-bottom: 0;
}

@media (min-width: 1024px) {

  .header,
  .article-header {
    padding-left: 260px;
  }
}

h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.7), 0 2px 8px rgba(0, 0, 0, 0.12);
}

h2 {
  color: #8B4513;
  border-bottom: 3px solid #DAA520;
  padding-bottom: 10px;
  margin-top: 40px;
}

h3 {
  color: #B8860B;
  margin-top: 30px;
}

/* Offset anchor jumps so headings sit ~220px below viewport top */
h2,
h3 {
  scroll-margin-top: 220px;
}

.image-container {
  margin: 30px 0;
  text-align: center;
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.image-container img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 10px;
}



.section-header-image {
  float: right;
  max-width: 150px;
  margin-left: 20px;
  margin-bottom: 10px;
  border-radius: 8px;
  cursor: zoom-in;
  border: 4px solid #fff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.section-header-group {
  float: right;
  display: flex;
  gap: 10px;
  margin-left: 20px;
  margin-bottom: 10px;
}

.caption {
  font-style: italic;
  color: #666;
  font-size: 0.9em;
  margin-top: 10px;
  line-height: 1.4;
}

.intro-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
}





.diagram-image {
  max-height: 600px;
}

.equipment-image {
  max-height: 400px;
}

.endoscopic-image {
  max-height: 450px;
}

/* Embedded panorama viewer container */
.panorama-container {
  position: relative;
  aspect-ratio: 21 / 9;
  /* adjust if your panorama needs another ratio */
  width: 100%;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.panorama-container iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.two-column {
  display: flex;
  gap: 20px;
  margin: 30px 0;
}

.two-column .image-container {
  flex: 1;
}

.highlight-box {
  background: linear-gradient(135deg, #F4F4F4 0%, #E8E8E8 100%);
  border-left: 5px solid #DAA520;
  padding: 20px;
  margin: 20px 0;
  border-radius: 5px;
}

.references {
  background: #f8f8f8;
  padding: 20px;
  border-radius: 10px;
  margin-top: 40px;
  border: 1px solid #ddd;
}

/* Header differences for article page only */
.brand-logo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  position: absolute;
  left: 28px;
  top: -20px;
  border: 14px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 24px 48px rgba(21, 57, 68, 0.25);
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0) 58%, rgba(255, 255, 255, 0.95) 80%);
}

footer {
  padding: 32px 28px 40px;
  text-align: center;
  color: rgba(21, 57, 68, 0.6);
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid rgba(21, 57, 68, 0.12);
}

footer p {
  margin: 6px 0;
  text-align: center;
}

@media (max-width: 768px) {
  .two-column {
    flex-direction: column;
  }

  h1 {
    font-size: 2em;
  }
}

/* Shared image modal (mirrors home page) */
.image-modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 26, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  z-index: 2000;
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.image-modal.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.image-modal img {
  max-width: min(90vw, 1400px);
  max-height: min(90vh, 900px);
  border-radius: 28px;
  box-shadow: 0 40px 90px rgba(5, 8, 16, 0.6);
  border: 10px solid rgba(255, 255, 255, 0.92);
}

.image-modal button {
  position: absolute;
  top: 28px;
  right: 40px;
  background: rgba(255, 255, 255, 0.85);
  color: #0e2d34;
  border: none;
  font-size: 1.2rem;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 18px 36px rgba(5, 8, 16, 0.25);
}

/* Wikipedia preview modal (bottom third) */
.preview-modal {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  height: 33vh;
  z-index: 3000;
  background: #ffffff;
  color: #0e2d34;
  border: 1px solid rgba(21, 57, 68, 0.12);
  border-radius: 12px;
  box-shadow: 0 22px 60px rgba(5, 8, 16, 0.25);
  display: none;
  overflow: auto;
}

.preview-modal.visible {
  display: block;
}

.preview-close {
  position: absolute;
  top: 8px;
  right: 12px;
  border: 0;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  color: inherit;
}

.preview-head {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 16px 0;
}

.preview-head img.preview-thumb {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 8px;
}

.preview-title {
  font-weight: 700;
}

.preview-desc {
  opacity: 0.85;
}

.preview-body {
  padding: 8px 16px 8px;
  line-height: 1.45;
}

.preview-foot {
  padding: 8px 16px 7px;
  font-size: 0.85em;
  color: #576b75;
  border-top: 1px solid rgba(21, 57, 68, 0.08);
}

.preview-foot a {
  color: inherit;
  text-decoration: underline;
}

/* Dark mode variant */
body.dark-mode .preview-modal {
  background: var(--dm-surface-1);
  color: var(--dm-text-1);
  border-color: var(--dm-border);
  box-shadow: 0 22px 60px rgba(8, 15, 30, 0.5);
}

body.dark-mode .preview-foot {
  color: var(--dm-text-3);
  border-top-color: var(--dm-border);
}

/* Compact pill link (matches About button style) */
.pill-link {
  display: inline-block;
  padding: 2px 10px;
  /* reduce height by 4px */
  border-radius: 999px;
  background: #DBEEF7;
  color: #0e2d34;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 10px 20px rgba(86, 147, 212, 0.25);
}

.pill-link:hover {
  filter: brightness(0.98);
}