/* OSD-JSCC page additions on top of the template's index.css */

:root {
  --ours-color: #d62839;
  --ours-soft: #fdecee;
}

/* ---------- title block ---------- */

.osd-hero {
  padding-top: 3rem;
  padding-bottom: 1.5rem;
}

.osd-logo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.25rem;
}

.publication-title {
  font-size: clamp(1.7rem, 4.2vw, 2.9rem) !important;
  margin-bottom: 1.5rem !important;
}

.osd-name {
  color: var(--ours-color);
}

.osd-tldr {
  max-width: 640px;
  margin: 1.5rem auto 0;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ---------- comparison section ---------- */

.osd-compare-section {
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 1rem;
}

.osd-section-lead {
  color: var(--text-secondary);
  margin: -0.5rem auto 1.5rem;
  max-width: 760px;
}

.osd-chip {
  display: inline-block;
  padding: 0.1rem 0.6rem;
  margin: 0 0.15rem 0.3rem;
  border-radius: 999px;
  background: var(--background-accent);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.osd-chip-ours {
  background: var(--ours-soft);
  color: var(--ours-color);
}

.cmp {
  max-width: 1200px;
  margin: 0 auto;
}

.cmp-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.cmp-seg-btn {
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.cmp-seg-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.cmp-seg-btn[aria-pressed="true"] {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: #fff;
}

.cmp-seg-btn:focus-visible,
.cmp-btn:focus-visible,
.cmp-thumb:focus-visible,
.cmp-viewer:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 2px;
}

.cmp-tab {
  font-size: 1rem;
  padding: 0.45rem 1.1rem;
}

.cmp-tab-count {
  font-weight: 500;
  opacity: 0.6;
  margin-left: 0.25rem;
}

.cmp-controls {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  margin-bottom: 1rem;
}

.cmp-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

.cmp-group-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.cmp-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
}

/* ---------- viewer ---------- */

.cmp-frame {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cmp-viewer {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: #0f172a;
  box-shadow: var(--shadow-lg);
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
  cursor: ew-resize;
  min-height: 120px;
  min-width: 120px;
}

.cmp-viewer.is-zoomed {
  touch-action: none;
  cursor: grab;
}

.cmp-viewer.is-zoomed.is-near-divider,
.cmp-viewer.is-dragging-divider {
  cursor: ew-resize;
}

.cmp-viewer.is-dragging-pan {
  cursor: grabbing;
}

.cmp-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.cmp-layer img {
  position: absolute;
  top: 0;
  left: 0;
  max-width: none;
  transform-origin: 0 0;
  pointer-events: none;
  -webkit-user-drag: none;
}

.cmp-viewer.is-pixelated img {
  image-rendering: pixelated;
}

.cmp-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  pointer-events: none;
}

.cmp-divider::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -1px;
  width: 2px;
  background: #fff;
  box-shadow: 0 0 6px rgb(0 0 0 / 0.55);
}

.cmp-handle {
  position: absolute;
  top: 50%;
  left: 0;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 10px rgb(0 0 0 / 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--text-primary);
  font-size: 1.05rem;
}

.cmp-tag {
  position: absolute;
  top: 10px;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  background: rgb(15 23 42 / 0.72);
  backdrop-filter: blur(4px);
  pointer-events: none;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.cmp-tag-left {
  left: 10px;
  background: rgb(214 40 57 / 0.88);
}

.cmp-tag-right {
  right: 10px;
}

.cmp-viewer.tag-left-hidden .cmp-tag-left,
.cmp-viewer.tag-right-hidden .cmp-tag-right {
  opacity: 0;
}

.cmp-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  border-radius: 50%;
  border: 4px solid rgb(255 255 255 / 0.35);
  border-top-color: #fff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.cmp-viewer.is-loading .cmp-spinner {
  opacity: 1;
  animation: cmp-spin 0.8s linear infinite;
}

@keyframes cmp-spin {
  to { transform: rotate(360deg); }
}

.cmp-toolbar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.75rem;
}

.cmp-nav,
.cmp-zoom {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.cmp-nav {
  min-width: 0;
}

.cmp-btn {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 34px;
  height: 34px;
  padding: 0 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--background-primary);
  color: var(--text-primary);
  cursor: pointer;
}

.cmp-btn:hover:not(:disabled) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.cmp-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.cmp-counter {
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-width: 3.6rem;
  text-align: center;
}

.cmp-title {
  margin-left: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 0.6rem;
  min-width: 0;
}

.cmp-title span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cmp-zoom-level {
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  color: var(--text-secondary);
  min-width: 3.4rem;
  text-align: center;
}

/* full screen: dark backdrop, viewer centred */
.cmp-frame:fullscreen {
  background: #0b1120;
  justify-content: center;
  padding: 8px 16px;
}

.cmp-frame:fullscreen .cmp-viewer {
  border-radius: 0;
  box-shadow: none;
}

.cmp-frame:fullscreen .cmp-title strong,
.cmp-frame:fullscreen .cmp-title span,
.cmp-frame:fullscreen .cmp-counter,
.cmp-frame:fullscreen .cmp-zoom-level {
  color: #e2e8f0;
}

.cmp-frame:fullscreen .cmp-btn {
  background: #1e293b;
  border-color: #334155;
  color: #e2e8f0;
}

/* ---------- metrics, thumbnails, hint ---------- */

.cmp-details {
  margin: 1rem auto 0;
  max-width: 640px;
}

.cmp-metrics {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
  background: var(--background-primary);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.cmp-metrics th,
.cmp-metrics td {
  padding: 0.4rem 0.8rem;
  text-align: right;
  border-bottom: 1px solid var(--border-color);
}

.cmp-metrics thead th {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
}

.cmp-metrics th:first-child {
  text-align: left;
}

.cmp-metrics tbody tr:last-child th,
.cmp-metrics tbody tr:last-child td {
  border-bottom: none;
}

.cmp-metrics tr.is-ours th {
  color: var(--ours-color);
}

.cmp-metrics td.is-best {
  font-weight: 800;
}

.cmp-note {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
}

.cmp-thumbs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.75rem 0.25rem 0.5rem;
  margin-top: 1rem;
  scrollbar-width: thin;
}

.cmp-thumb {
  flex: 0 0 auto;
  width: 104px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 8px;
  background: none;
  cursor: pointer;
  text-align: center;
  font: inherit;
  opacity: 0.75;
  transition: opacity 0.15s, border-color 0.15s;
}

.cmp-thumb img {
  display: block;
  width: 100%;
  height: 68px;
  object-fit: cover;
  border-radius: 6px;
}

.cmp-thumb span {
  display: block;
  font-size: 0.72rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0.15rem 0.2rem;
}

.cmp-thumb:hover {
  opacity: 1;
}

.cmp-thumb[aria-selected="true"] {
  opacity: 1;
  border-color: var(--ours-color);
}

.cmp-hint {
  margin-top: 0.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-light);
}

.cmp-hint i {
  margin: 0 0.15rem 0 0.4rem;
}

.cmp-hint kbd {
  font-size: 0.75rem;
  padding: 0 0.3rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--background-primary);
}

/* ---------- other sections ---------- */

.osd-stats-section {
  padding: 2.5rem 1.5rem;
}

.osd-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.osd-stat {
  text-align: center;
  padding: 1.25rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background-primary);
}

.osd-stat-value {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--ours-color);
  line-height: 1.2;
}

.osd-stat-label {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.osd-figure {
  margin: 0 0 1.5rem;
}

.osd-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  background: #fff;
}

.osd-figure figcaption,
.osd-caption {
  margin-top: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-align: center;
}

.osd-subtitle {
  margin-top: 2rem;
}

.osd-table-wrap {
  max-width: 620px;
  margin: 0 auto;
  overflow-x: auto;
}

.osd-table {
  font-variant-numeric: tabular-nums;
  background: transparent;
}

.osd-table tr.is-ours td {
  font-weight: 700;
  color: var(--ours-color);
}

@media screen and (max-width: 768px) {
  .osd-compare-section {
    padding: 2rem 1rem;
  }

  .osd-stats {
    grid-template-columns: 1fr;
  }

  .cmp-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 0.25rem;
  }

  .cmp-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .cmp-group {
    justify-content: flex-start;
  }

  .cmp-seg {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 0.2rem;
  }

  .cmp-toolbar {
    justify-content: center;
  }

  .cmp-tag {
    font-size: 0.72rem;
  }

  .cmp-metrics th,
  .cmp-metrics td {
    padding: 0.35rem 0.45rem;
  }

  .cmp-hint {
    display: none;
  }
}