:root {
  color-scheme: dark;
  --bg-900: #020617;
  --bg-850: #071026;
  --bg-800: #0f172a;
  --bg-750: #14213b;
  --border: rgba(148, 163, 184, 0.25);
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-warm: #f97316;
  --body-background: radial-gradient(circle at 15% -10%, rgba(56, 189, 248, 0.18), transparent 55%),
    radial-gradient(circle at 85% 0%, rgba(249, 115, 22, 0.12), transparent 45%),
    var(--bg-900);
  --surface-layer: rgba(8, 11, 23, 0.45);
  --surface-border: rgba(255, 255, 255, 0.04);
  --surface-header-border: rgba(255, 255, 255, 0.05);
  --column-scrollbar: rgba(148, 163, 184, 0.35);
  --signal-hover-border: rgba(148, 163, 184, 0.3);
  --signal-hover-bg: rgba(255, 255, 255, 0.02);
  --rank-chip-bg: rgba(56, 189, 248, 0.15);
  --rank-chip-color: var(--accent);
  --github-rank-bg: rgba(36, 41, 46, 0.4);
  --github-rank-color: #e6edf3;
  --chip-bg: rgba(148, 163, 184, 0.12);
  --chip-border: rgba(148, 163, 184, 0.28);
  --chip-color: var(--text-primary);
  --chip-top-bg: linear-gradient(120deg, rgba(56, 189, 248, 0.18), rgba(249, 115, 22, 0.16));
  --chip-top-border: rgba(56, 189, 248, 0.4);
  --chip-top-color: var(--text-primary);
  --chip-hn-bg: rgba(251, 146, 60, 0.18);
  --chip-hn-border: rgba(249, 115, 22, 0.3);
  --chip-hn-color: #fed7aa;
  --chip-gh-bg: rgba(99, 115, 129, 0.24);
  --chip-gh-border: rgba(226, 232, 240, 0.26);
  --chip-gh-color: #e2e8f0;
  --chip-showhn-bg: rgba(168, 85, 247, 0.18);
  --chip-showhn-border: rgba(168, 85, 247, 0.3);
  --chip-showhn-color: #e9d5ff;
  --midjourney-card-border: rgba(255, 255, 255, 0.04);
  --midjourney-card-bg: rgba(15, 23, 42, 0.55);
  --midjourney-overlay: linear-gradient(180deg, transparent 0%, rgba(0, 5, 15, 0.92) 90%);
  --midjourney-like-bg: rgba(0, 0, 0, 0.45);
  --midjourney-like-border: rgba(148, 163, 184, 0.35);
  --midjourney-like-active: #ef4444;
  --viewer-backdrop: rgba(2, 6, 23, 0.75);
  --viewer-content-bg: linear-gradient(135deg, rgba(15, 25, 50, 0.95), rgba(11, 17, 35, 0.95));
  --viewer-border: rgba(148, 163, 184, 0.35);
  --viewer-button-bg: rgba(15, 23, 42, 0.6);
  --viewer-button-border: rgba(148, 163, 184, 0.4);
  --viewer-button-color: #f8fafc;
  --viewer-nav-bg: rgba(2, 6, 23, 0.55);
  --viewer-image-border: rgba(148, 163, 184, 0.3);
  --loading-background: rgba(4, 12, 32, 0.7);
  --loading-border: rgba(148, 163, 184, 0.3);
  --error-border: rgba(248, 113, 113, 0.4);
  --fold-toggle-bg: rgba(15, 23, 42, 0.4);
  --fold-toggle-border: rgba(148, 163, 184, 0.35);
  --github-description-color: #cbd5f5;
  --ai-border-color: rgba(56, 189, 248, 0.4);
  --ai-background: linear-gradient(120deg, rgba(15, 23, 42, 0.65), rgba(8, 47, 73, 0.55));
  --ai-glow-base: rgba(56, 189, 248, 0.08);
  --ai-glow-strong: rgba(56, 189, 248, 0.35);
  --modal-bg: #0f172a;
}

:root[data-theme='dark'] {
  color-scheme: dark;
}

:root[data-theme='light'] {
  color-scheme: light;
  --bg-900: #f8fafc;
  --bg-850: #e2e8f0;
  --bg-800: #c7d2fe;
  --bg-750: #dbeafe;
  --text-primary: #0f172a;
  --text-muted: #475569;
  --body-background: radial-gradient(circle at 15% -10%, rgba(14, 165, 233, 0.22), transparent 55%),
    radial-gradient(circle at 85% 0%, rgba(251, 146, 60, 0.22), transparent 45%),
    #f8fafc;
  --surface-layer: rgba(255, 255, 255, 0.9);
  --surface-border: rgba(15, 23, 42, 0.08);
  --surface-header-border: rgba(15, 23, 42, 0.12);
  --column-scrollbar: rgba(100, 116, 139, 0.35);
  --signal-hover-border: rgba(15, 23, 42, 0.18);
  --signal-hover-bg: rgba(15, 23, 42, 0.05);
  --rank-chip-bg: rgba(56, 189, 248, 0.2);
  --rank-chip-color: #0f172a;
  --github-rank-bg: rgba(15, 23, 42, 0.1);
  --github-rank-color: #0f172a;
  --chip-bg: rgba(15, 23, 42, 0.06);
  --chip-border: rgba(15, 23, 42, 0.14);
  --chip-color: #0f172a;
  --chip-top-bg: linear-gradient(120deg, rgba(14, 165, 233, 0.16), rgba(251, 146, 60, 0.14));
  --chip-top-border: rgba(14, 165, 233, 0.38);
  --chip-top-color: #0f172a;
  --chip-hn-bg: rgba(251, 146, 60, 0.18);
  --chip-hn-border: rgba(249, 115, 22, 0.24);
  --chip-hn-color: #9a3412;
  --chip-gh-bg: rgba(15, 23, 42, 0.08);
  --chip-gh-border: rgba(15, 23, 42, 0.16);
  --chip-gh-color: #0f172a;
  --chip-showhn-bg: rgba(168, 85, 247, 0.15);
  --chip-showhn-border: rgba(147, 51, 234, 0.24);
  --chip-showhn-color: #7c3aed;
  --midjourney-card-border: rgba(15, 23, 42, 0.1);
  --midjourney-card-bg: rgba(248, 250, 252, 0.9);
  --midjourney-overlay: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.95) 90%);
  --midjourney-like-bg: rgba(255, 255, 255, 0.75);
  --midjourney-like-border: rgba(15, 23, 42, 0.2);
  --midjourney-like-active: #ef4444;
  --viewer-backdrop: rgba(15, 23, 42, 0.2);
  --viewer-content-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(241, 245, 249, 0.98));
  --viewer-border: rgba(148, 163, 184, 0.45);
  --viewer-button-bg: rgba(248, 250, 252, 0.9);
  --viewer-button-border: rgba(148, 163, 184, 0.55);
  --viewer-button-color: #0f172a;
  --viewer-nav-bg: rgba(15, 23, 42, 0.12);
  --viewer-image-border: rgba(148, 163, 184, 0.45);
  --loading-background: rgba(226, 232, 240, 0.7);
  --loading-border: rgba(148, 163, 184, 0.45);
  --error-border: rgba(248, 113, 113, 0.6);
  --fold-toggle-bg: rgba(255, 255, 255, 0.9);
  --fold-toggle-border: rgba(148, 163, 184, 0.55);
  --github-description-color: #475569;
  --ai-border-color: rgba(14, 165, 233, 0.55);
  --ai-background: linear-gradient(120deg, rgba(224, 242, 254, 0.95), rgba(191, 219, 254, 0.9));
  --ai-glow-base: rgba(14, 165, 233, 0.15);
  --ai-glow-strong: rgba(14, 165, 233, 0.45);
  --modal-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--body-background);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.dashboard {
  min-height: 100vh;
  padding: clamp(1rem, 3vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--accent);
}

.status {
  text-align: right;
  margin-left: auto;
}

.top-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

.theme-toggle {
  border: 1px solid var(--fold-toggle-border);
  background: var(--fold-toggle-bg);
  color: var(--text-primary);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.65rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: border 0.2s, color 0.2s;
}

.theme-toggle-icon {
  font-size: 1rem;
}

.status-label {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.6rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
  display: block;
}

.status-value {
  font-size: 1rem;
  font-weight: 600;
}

.columns {
  flex: 1;
  min-height: 0;
  display: flex;
  gap: 1rem;
}

.column {
  flex: 1;
  background: var(--surface-layer);
  border: 1px solid var(--surface-border);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  box-shadow: 0 15px 32px rgba(2, 8, 23, 0.3);
  backdrop-filter: blur(6px);
}

.column-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--surface-header-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.column-title {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.column-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--text-muted);
}

.source-selector {
  position: relative;
}

.source-selector-toggle {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  color: var(--text-primary);
}

.source-selector-label {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.source-selector-chevron {
  width: 12px;
  height: 12px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.source-selector.is-open .source-selector-chevron {
  transform: rotate(180deg);
}

.source-selector-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
  background: var(--bg-800);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.25rem;
  z-index: 100;
  min-width: 160px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.source-selector.is-open .source-selector-menu {
  display: block;
}

.source-selector-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: transparent;
  border: none;
  border-radius: 0.25rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  text-align: left;
  color: var(--text-primary);
  transition: background-color 0.15s ease, opacity 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.source-option-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.source-option-label {
  flex: 1;
}

.source-option-status {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.source-type-icon {
  width: 14px;
  height: 14px;
}

.source-selector-option:hover:not(.is-disabled),
.source-selector-option:active:not(.is-disabled) {
  background: var(--bg-750);
}

.source-selector-option.is-selected .source-option-icon,
.source-selector-option.is-selected .source-option-label {
  color: var(--accent);
}

.source-selector-option.is-selected .source-option-status svg {
  stroke: var(--accent);
}

/* Source used in another column (clickable to swap) */
.source-selector-option.is-elsewhere {
  opacity: 0.7;
}

.source-selector-option.is-elsewhere .source-option-status {
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .source-selector-toggle {
    padding: 0.25rem 0;
  }
  .source-selector-menu {
    min-width: 180px;
  }
  .source-selector-option {
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
}

.column.is-collapsed .column-body {
  display: none;
}

.column-body {
  padding: 0.5rem 1.25rem 1.25rem;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.column-body::-webkit-scrollbar {
  width: 6px;
}

.column-body::-webkit-scrollbar-thumb {
  background: var(--column-scrollbar);
  border-radius: 999px;
}

.signal-item {
  display: flex;
  gap: 1rem;
  padding: 0.65rem 3rem 0.65rem 0.35rem;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: opacity 0.2s ease;
  position: relative;
}

.signal-item.is-visited {
  opacity: 0.65;
}

.rank-chip {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--rank-chip-bg);
  color: var(--rank-chip-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
}

.rank-chip.github {
  background: var(--github-rank-bg);
  color: var(--github-rank-color);
}

.signal-content {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.hn-title,
.github-repo {
  font-size: 1rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  width: 100%;
}

.hn-host {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.hn-meta,
.github-meta,
.github-description {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

.hn-comments-link {
  color: inherit;
  font-weight: 600;
}

.github-description {
  color: var(--github-description-color);
}

.midjourney-body {
  padding: 0.5rem 1rem 1.25rem;
  --midjourney-height-hint: auto;
  max-height: var(--midjourney-height-hint);
  overflow-y: auto;
}

.midjourney-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  min-height: 0;
}

/* When grid is applied to column-body, use consistent padding */
.column-body.midjourney-grid {
  padding: 0.75rem;
  gap: 0.75rem;
}

.midjourney-liked-section {
  display: contents;
}

.saved-separator {
  grid-column: 1 / -1;
  margin: 0.25rem 0;
  padding: 0.2rem 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.75;
}

.midjourney-separator {
  justify-self: center;
}

.midjourney-item {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--midjourney-card-border);
  background: var(--midjourney-card-bg);
  display: block;
  aspect-ratio: 1 / 1;
  padding: 0;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  font: inherit;
  color: inherit;
}

.midjourney-like {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  height: 2.4rem;
  width: 2.4rem;
  border-radius: 999px;
  border: 1px solid var(--midjourney-like-border);
  background: var(--midjourney-like-bg);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.midjourney-like .like-icon {
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.like-icon svg {
  width: 1.1rem;
  height: 1.1rem;
  display: block;
  fill: #fff;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
  transition: fill 0.2s ease;
}

.midjourney-like.is-liked {
  color: var(--midjourney-like-active);
  border-color: var(--midjourney-like-active);
  background: rgba(239, 68, 68, 0.18);
  box-shadow: 0 10px 35px rgba(239, 68, 68, 0.25);
}

.midjourney-like.is-liked .like-icon svg,
.viewer-action-btn.like.is-liked .like-icon svg {
  fill: var(--midjourney-like-active);
}

.midjourney-like.is-animating {
  animation: like-pop 320ms ease;
}

@keyframes like-pop {
  0% { transform: scale(0.9); }
  45% { transform: scale(1.15); }
  70% { transform: scale(0.97); }
  100% { transform: scale(1); }
}

.midjourney-item:focus-visible {
  outline: none;
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.25);
}

.midjourney-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: rgba(0, 0, 0, 0.2);
}

.midjourney-prompt {
  position: absolute;
  inset: auto 0 0;
  padding: 0.6rem 0.7rem;
  font-size: 0.78rem;
  line-height: 1.4;
  background: var(--midjourney-overlay);
  color: var(--text-primary);
  transform: translateY(100%);
  transition: transform 0.25s ease;
}

.fold-hidden {
  display: none !important;
}

.save-toggle {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid var(--midjourney-like-border);
  background: var(--midjourney-like-bg);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.save-toggle .save-icon svg {
  width: 1.1rem;
  height: 1.1rem;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  transition: stroke 0.2s ease, fill 0.2s ease;
}

.save-toggle.is-saved {
  color: var(--midjourney-like-active);
  border-color: var(--midjourney-like-active);
  background: rgba(239, 68, 68, 0.12);
  box-shadow: 0 10px 35px rgba(239, 68, 68, 0.2);
}

.save-toggle.is-saved .save-icon svg {
  fill: var(--midjourney-like-active);
  stroke: var(--midjourney-like-active);
}

.saved-section {
  margin-top: 0.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.85rem;
  padding: 0.25rem 0.35rem 0.35rem;
  grid-auto-rows: 1fr;
  grid-auto-flow: dense;
  align-items: stretch;
}

.highlight-card {
  position: relative;
  border: 1px solid var(--surface-border);
  background: linear-gradient(160deg, rgba(56, 189, 248, 0.08), rgba(255, 255, 255, 0.03));
  padding: 0.9rem 1rem;
  border-radius: 16px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(6px);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 100%;
  overflow: hidden;
  isolation: isolate;
  will-change: transform, opacity;
}

.highlight-card > * {
  position: relative;
  z-index: 1;
}

.highlight-strip.is-ready .highlight-card {
  animation: fadeInUp 0.45s ease forwards;
  animation-delay: calc(var(--card-index, 0) * 90ms);
}

.highlight-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  color: var(--chip-color);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.highlight-chip.is-top {
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.16);
}

.flame-icon {
  position: relative;
  width: 12px;
  height: 16px;
  display: inline-block;
  margin-right: 0.1rem;
  filter: drop-shadow(0 0 6px rgba(249, 115, 22, 0.35));
  animation: flameWiggle 1s ease-in-out infinite alternate;
  will-change: transform;
}

.flame-icon::before,
.flame-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50% 50% 40% 40% / 60% 60% 40% 40%;
}

.flame-icon::before {
  background: radial-gradient(ellipse at 50% 60%, #facc15 0%, #fb923c 45%, #f97316 65%, rgba(0, 0, 0, 0) 70%);
  animation: flamePulse 0.85s ease-in-out infinite alternate;
  will-change: transform, opacity;
}

.flame-icon::after {
  inset: 2px 3px 0 3px;
  background: radial-gradient(ellipse at 50% 70%, #fde68a 0%, #fb923c 55%, rgba(0, 0, 0, 0) 65%);
  opacity: 0.9;
}

@keyframes flamePulse {
  0% { transform: translateY(0) scale(1); opacity: 0.9; }
  50% { transform: translateY(-1px) scale(1.04); opacity: 1; }
  100% { transform: translateY(1px) scale(0.98); opacity: 0.85; }
}

@keyframes flameWiggle {
  0% { transform: rotate(-2deg) scale(1); }
  50% { transform: rotate(2deg) scale(1.02); }
  100% { transform: rotate(-1deg) scale(0.99); }
}

.highlight-card[data-source='hacker news'] .highlight-chip {
  background: var(--chip-hn-bg);
  color: var(--chip-hn-color);
  border-color: var(--chip-hn-border);
}

.highlight-card[data-source='github'] .highlight-chip {
  background: var(--chip-gh-bg);
  color: var(--chip-gh-color);
  border-color: var(--chip-gh-border);
}

.highlight-card[data-source='show hn'] .highlight-chip {
  background: var(--chip-showhn-bg);
  color: var(--chip-showhn-color);
  border-color: var(--chip-showhn-border);
}

.highlight-title {
  display: block;
  margin: 0.5rem 0 0.1rem;
  font-size: 1rem;
  line-height: 1.4;
  font-weight: 700;
}

.highlight-meta,
.highlight-secondary {
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

.highlight-secondary {
  margin-top: 0.25rem;
}

.highlight-placeholder {
  padding: 0.9rem 1rem;
  border: 1px dashed var(--loading-border);
  color: var(--text-muted);
  border-radius: 14px;
  text-align: center;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOutDown {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(8px);
  }
}

.highlight-strip.is-leaving .highlight-card {
  animation: fadeOutDown 0.35s ease forwards;
  animation-delay: calc(var(--card-index, 0) * 50ms);
}

.fold-toggle {
  align-self: center;
  border: 1px solid var(--fold-toggle-border);
  background: var(--fold-toggle-bg);
  color: var(--text-primary);
  padding: 0.5rem 1.6rem;
  border-radius: 999px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.72rem;
  cursor: pointer;
  margin: 0.85rem auto 1.25rem;
  transition: border 0.2s, color 0.2s;
}

.site-footer {
  margin-top: 1rem;
  margin-bottom: 3rem;
  padding: 0 clamp(1rem, 3vw, 1.75rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.footer-credit {
  text-align: right;
}

.site-footer a {
  color: var(--text-primary);
}

.signal-item.ai-item {
  border-color: var(--ai-border-color);
  background: var(--ai-background);
  animation: aiGlow 2.8s ease-in-out infinite;
  will-change: box-shadow;
}

@keyframes aiGlow {
  0%, 100% {
    box-shadow: 0 0 0 var(--ai-glow-base);
  }
  50% {
    box-shadow: 0 0 20px var(--ai-glow-strong);
  }
}

.viewer {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--viewer-backdrop);
  backdrop-filter: blur(12px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.viewer.is-active {
  opacity: 1;
  pointer-events: auto;
}

.viewer-backdrop {
  position: absolute;
  inset: 0;
}

.viewer-content {
  position: relative;
  width: min(900px, 92vw);
  max-height: 90vh;
  background: var(--viewer-content-bg);
  border: 1px solid var(--viewer-border);
  border-radius: 28px;
  padding: clamp(1rem, 2vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 25px 65px rgba(2, 6, 23, 0.65);
}

.viewer-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--viewer-button-bg);
  border: 1px solid var(--viewer-button-border);
  color: var(--viewer-button-color);
  border-radius: 999px;
  width: 40px;
  height: 40px;
  font-size: 1.4rem;
  cursor: pointer;
}

.viewer-media {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.viewer-image {
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--viewer-image-border);
  background: #010914;
}

.viewer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.viewer-prompt {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.viewer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.viewer-action-btn {
  border: 1px solid var(--viewer-button-border);
  background: var(--viewer-button-bg);
  color: var(--viewer-button-color);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

@media (hover: hover) {
  html:not(.is-touch) a:hover {
    color: var(--accent);
  }

  html:not(.is-touch) .theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
  }

  html:not(.is-touch) .signal-item:hover {
    border-color: var(--signal-hover-border);
    background: var(--signal-hover-bg);
  }

  html:not(.is-touch) .signal-item.is-visited:hover {
    opacity: 1;
  }

  html:not(.is-touch) .hn-comments-link:hover {
    text-decoration: underline;
  }

  html:not(.is-touch) .midjourney-item:hover {
    border-color: rgba(56, 189, 248, 0.5);
    transform: translateY(-1px);
  }

  html:not(.is-touch) .midjourney-item:hover .midjourney-image {
    transform: scale(1.04);
  }

  html:not(.is-touch) .midjourney-item:hover .midjourney-prompt {
    transform: translateY(0);
  }

  html:not(.is-touch) .fold-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
  }

  html:not(.is-touch) .viewer-action-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
}

.viewer-action-btn.is-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--viewer-button-border);
  background: var(--viewer-nav-bg);
  color: var(--viewer-button-color);
  font-size: 1.5rem;
  cursor: pointer;
}

.viewer-nav:disabled {
  opacity: 0.35;
  cursor: default;
}

.viewer-nav.prev {
  left: -24px;
}

.viewer-nav.next {
  right: -24px;
}

.viewer-counter {
  margin-left: auto;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .column-header {
    cursor: pointer;
    position: relative;
  }

  .brand {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
  }

  .top-controls {
    width: auto;
    justify-content: flex-end;
    flex-wrap: nowrap;
    gap: 0.5rem;
  }

  .topline {
    flex-wrap: wrap;
  }

  .status {
    order: 1;
    width: 100%;
    text-align: center;
    margin-top: 0.4rem;
    margin-left: 0;
  }

  .status-label {
    display: inline;
    margin-right: 0.3em;
  }

  .status-value {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--text-muted);
  }

  .subscribe-btn-label {
    display: none;
  }

  .subscribe-btn {
    padding: 0.4rem 0.5rem;
  }

  .column-header::after {
    content: attr(data-collapse-indicator);
    margin-left: auto;
    font-size: 1.1rem;
    color: var(--text-muted);
  }

  .column.is-collapsed .fold-toggle {
    display: none;
  }

  .viewer-content {
    width: calc(100vw - 2rem);
    max-height: 95vh;
    border-radius: 22px;
    padding-bottom: 3.25rem;
  }

  .viewer-media {
    max-height: 55vh;
  }

  .viewer-nav {
    top: auto;
    bottom: 1rem;
    transform: none;
  }

  .viewer-nav.prev {
    left: 1rem;
  }

  .viewer-nav.next {
    right: 1rem;
  }

  .columns {
    flex-direction: column;
    height: auto;
  }

  .status {
    text-align: left;
  }
}

.loading-placeholder,
.error-placeholder {
  width: 100%;
  padding: 1.5rem;
  text-align: center;
  border-radius: 14px;
  border: 1px dashed var(--loading-border);
  color: var(--text-muted);
  background: var(--loading-background);
}

.error-placeholder {
  color: #fda4af;
  border-color: var(--error-border);
}

@media (max-width: 1000px) {
  .columns {
    flex-direction: column;
    height: auto;
  }

  .status {
    text-align: left;
  }
}

@media (max-width: 720px) {
  .midjourney-grid {
    grid-template-columns: 1fr;
  }
}

[hidden] {
  display: none !important;
}

/* Subscribe button in topline */
.subscribe-btn {
  border: 1px solid var(--fold-toggle-border);
  background: var(--fold-toggle-bg);
  color: var(--text-primary);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.65rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: border 0.2s, color 0.2s;
}

.subscribe-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.subscribe-btn-icon {
  font-size: 1rem;
}

/* Subscribe modal */
.subscribe-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.subscribe-modal.is-active {
  opacity: 1;
  pointer-events: auto;
}

.subscribe-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.subscribe-content {
  position: relative;
  background: var(--modal-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  max-width: 420px;
  width: calc(100% - 2rem);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.subscribe-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.subscribe-close:hover {
  color: var(--text-primary);
}

#subscribe-title {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.subscribe-notice {
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.subscribe-row {
  display: flex;
  gap: 0.5rem;
}

.subscribe-turnstile {
  display: flex;
  justify-content: center;
  min-height: 65px;
}

.subscribe-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.subscribe-input {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 1px solid var(--fold-toggle-border);
  border-radius: 8px;
  background: var(--bg-body);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.subscribe-input:focus {
  outline: none;
  border-color: var(--accent);
}

.subscribe-submit {
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #000;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.subscribe-submit:hover {
  opacity: 0.9;
}

.subscribe-status {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 1.25rem;
}

@media (max-width: 480px) {
  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-row {
    flex-direction: column;
  }

  .subscribe-submit {
    width: 100%;
  }

  .subscribe-btn {
    padding: 0.3rem 0.6rem;
    font-size: 0.6rem;
  }
}