/* --- THE BLUE: DESIGN TOKENS --- */
:root {
  color-scheme: light dark;

  /* Palette - Light (Verbatim from manifest) */
  --bg: #f4f7fb;
  --surface: #e6eef6;
  --fg: #101c28;
  --muted: #4e6074;
  --accent: #0c4cb4;
  --accent-fg: #ffffff;

  /* Derived System Tokens */
  --border: color-mix(in srgb, var(--fg) 14%, transparent);
  --border-subtle: color-mix(in srgb, var(--fg) 8%, transparent);
  --accent-tint: color-mix(in srgb, var(--accent) 12%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 24%, transparent);
  --selection: color-mix(in srgb, var(--accent) 20%, transparent);

  /* Typography Stacks */
  --font-display: "Familjen Grotesk", system-ui, -apple-system, sans-serif;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Fluid Type Scale (clamp-based per DESIGN.md §5) */
  --text-xs: clamp(0.72rem, 0.7rem + 0.1vw, 0.78rem);
  --text-sm: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.6rem + 2vw, 3rem);
  --text-hero: clamp(2.5rem, 1.8rem + 3.5vw, 4.25rem);

  /* Spacing Scale (4/8px rhythm per DESIGN.md §8) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2.5rem;
  --space-7: 4rem;
  --space-8: 6rem;

  /* Architectural Radii & Transition (Motion dial 4: ≤200ms ease-out) */
  --radius-sm: 3px;
  --radius: 6px;
  --radius-lg: 10px;
  --transition: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --measure: 68ch;
}

/* Palette - Dark (Verbatim from manifest) */
:root[data-theme="dark"] {
  --bg: #0b111a;
  --surface: #141f2e;
  --fg: #eaf0f8;
  --muted: #889bb0;
  --accent: #4a94f8;
  --accent-fg: #071527;
  --border: color-mix(in srgb, var(--fg) 14%, transparent);
  --border-subtle: color-mix(in srgb, var(--fg) 8%, transparent);
  --accent-tint: color-mix(in srgb, var(--accent) 15%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 30%, transparent);
  --selection: color-mix(in srgb, var(--accent) 25%, transparent);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b111a;
    --surface: #141f2e;
    --fg: #eaf0f8;
    --muted: #889bb0;
    --accent: #4a94f8;
    --accent-fg: #071527;
    --border: color-mix(in srgb, var(--fg) 14%, transparent);
    --border-subtle: color-mix(in srgb, var(--fg) 8%, transparent);
    --accent-tint: color-mix(in srgb, var(--accent) 15%, transparent);
    --accent-glow: color-mix(in srgb, var(--accent) 30%, transparent);
    --selection: color-mix(in srgb, var(--accent) 25%, transparent);
  }
}

/* Base Document Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

::selection {
  background: var(--selection);
  color: var(--fg);
}

html {
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  overflow-x: hidden;
  width: 100%;
}

img, svg {
  max-width: 100%;
}

/* Accessibility: Skip Link & Focus */
.skip-link {
  position: absolute;
  top: -999px;
  left: var(--space-4);
  background: var(--accent);
  color: var(--accent-fg);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 1000;
}

.skip-link:focus {
  top: var(--space-2);
}

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

/* Motion: Stagger entrance keyframes (Motion dial 4) */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-entrance {
  animation: fadeSlideUp 0.18s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--i, 0) * 60ms);
}

/* Reduced Motion Guard */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Typography Defaults */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  color: var(--fg);
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition);
}

a:hover {
  text-decoration: underline;
}

/* --- BAND 1: MASTHEAD (52px height) --- */
.site-head {
  height: 52px;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.head-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--fg);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  text-decoration: none;
  flex-shrink: 0;
}

.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

.brand-logo {
  display: flex;
  align-items: center;
  color: var(--accent);
}

.tape-counter {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 2px var(--space-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.tape-led {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.tape-ips {
  color: var(--muted);
  border-left: 1px solid var(--border);
  padding-left: var(--space-2);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.site-nav a:hover {
  color: var(--fg);
  background-color: var(--surface);
}

.theme-toggle-btn {
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--accent-tint);
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 768px) {
  .site-head {
    height: auto;
    min-height: 52px;
    padding: var(--space-2) 0;
  }
  .head-inner {
    padding: 0 var(--space-3);
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: space-between;
  }
  .brand {
    font-size: var(--text-base);
    gap: 6px;
  }
  .brand-group {
    gap: var(--space-2);
  }
  .site-nav {
    gap: 4px;
    flex-wrap: wrap;
    width: 100%;
    justify-content: flex-start;
  }
  .site-nav a {
    font-size: 11px;
    padding: 2px 4px;
    letter-spacing: 0.02em;
  }
  .tape-counter {
    display: none;
  }
  .theme-toggle-btn {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }
}

/* --- MAIN CONTAINER --- */
#main {
  flex: 1;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

.screen-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-5);
  box-sizing: border-box;
  width: 100%;
}

@media (max-width: 768px) {
  .screen-container {
    padding: 0 var(--space-3);
  }
}

/* --- BAND 2: HERO BENTO (340px height at desktop) --- */
.hero-bento-band {
  min-height: 340px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  display: flex;
  align-items: stretch;
  width: 100%;
}

.hero-bento-grid {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: var(--space-5);
  align-items: stretch;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .hero-bento-band {
    min-height: auto;
  }
  .hero-bento-grid {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-4) var(--space-3);
    gap: var(--space-4);
  }
}

.hero-left-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-5) 0;
  border-right: 1px solid var(--border);
  padding-right: var(--space-5);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .hero-left-panel {
    border-right: none;
    padding-right: 0;
    padding: var(--space-2) 0;
  }
}

.hero-kicker-strip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  flex-wrap: wrap;
}

.hero-title {
  font-size: clamp(1.65rem, 1.3rem + 1.6vw, 2.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: var(--space-2) 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.hero-title .accent-text {
}

.hero-tagline {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.5;
  max-width: 52ch;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Signature Element: Reid Miles Datum Rail */
.signature-datum-rail {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
  box-sizing: border-box;
  max-width: 100%;
}

@media (max-width: 768px) {
  .signature-datum-rail {
    gap: var(--space-2);
    margin-top: var(--space-4);
  }
}

.datum-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  white-space: nowrap;
}

.datum-label {
  color: var(--fg);
  font-weight: 700;
}

.datum-val {
}

/* Signature Element: Concentric Vinyl Groove Diagram */
.hero-right-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) 0;
  position: relative;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .hero-right-panel {
    padding: 0;
  }
}

.groove-visual-wrap {
  width: 100%;
  max-width: 100%;
  height: auto;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
}

.vinyl-svg {
  width: 100%;
  max-width: 240px;
  max-height: 240px;
  height: auto;
  filter: drop-shadow(0 2px 8px color-mix(in srgb, var(--fg) 6%, transparent));
}

.groove-arc {
  cursor: pointer;
  transition: stroke var(--transition), stroke-width var(--transition), opacity var(--transition);
}

.groove-arc:hover, .groove-arc:focus {
  stroke: var(--accent) !important;
  stroke-width: 3.5px !important;
  opacity: 1 !important;
}

.groove-meta-display {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
  text-align: center;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--space-1);
  flex-wrap: wrap;
  gap: var(--space-1);
  box-sizing: border-box;
}

/* --- BAND 3: SECONDARY BENTO (310px height at desktop) --- */
.secondary-bento-band {
  min-height: 310px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: stretch;
  width: 100%;
}

.secondary-bento-grid {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: var(--space-5);
  align-items: stretch;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .secondary-bento-band {
    min-height: auto;
  }
  .secondary-bento-grid {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-4) var(--space-3);
    gap: var(--space-4);
  }
}

/* Featured Episode Player Card */
.player-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-right: 1px solid var(--border);
  padding-right: var(--space-5);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .player-card {
    border-right: none;
    padding-right: 0;
    padding-bottom: var(--space-2);
  }
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-1);
  min-width: 0;
  max-width: 100%;
}

.player-status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.player-take-code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
}

.player-title-block {
  margin: var(--space-2) 0;
}

.player-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: var(--space-1);
  overflow-wrap: break-word;
  word-break: break-word;
}

.player-title a {
  color: var(--fg);
  text-decoration: none;
}

.player-title a:hover {
  color: var(--accent);
}

.player-summary {
  font-size: var(--text-xs);
  color: var(--muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* Audio Player Controls */
.player-controls-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--bg);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.play-btn {
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}

.play-btn:hover {
  transform: scale(1.05);
}

.play-btn:active {
  transform: scale(0.95);
}

.timeline-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.timeline-track {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.timeline-progress {
  width: 38%;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}

.timeline-stamps {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 2px;
}

.tape-spec-rail {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: var(--space-2);
  flex-wrap: wrap;
  gap: var(--space-1);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .tape-spec-rail {
    font-size: 10px;
    gap: 4px var(--space-2);
    justify-content: flex-start;
  }
}

.tape-spec-badge {
  color: var(--fg);
  font-weight: 600;
}

/* Latest Track Breakdown Panel */
.breakdown-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-4) 0;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .breakdown-card {
    padding-top: 0;
  }
}

.breakdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.breakdown-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--fg);
}

.breakdown-feed-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
}

.chapter-segment-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  max-width: 100%;
}

.chapter-segment-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px var(--space-3);
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  transition: border-color var(--transition), background var(--transition);
  gap: var(--space-2);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.chapter-segment-item:hover {
  border-color: var(--accent);
  background: var(--accent-tint);
}

.segment-name {
  font-weight: 500;
  color: var(--fg);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  flex: 1;
}

.segment-time {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* --- BAND 4: MULTI-COLUMN ARCHIVE & SEARCH BAND --- */
.archive-section {
  padding: var(--space-7) 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  width: 100%;
}

@media (max-width: 768px) {
  .archive-section {
    padding: var(--space-5) 0;
  }
}

/* Archival Overview Layout (eliminating empty right half) */
.archival-intro-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  align-items: start;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 900px) {
  .archival-intro-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
  }
}

.archival-intro-block {
  max-width: var(--measure);
  min-width: 0;
}

.archival-telemetry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
  box-sizing: border-box;
}

.telemetry-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-2);
}

.telemetry-card-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--fg);
}

.telemetry-card-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.telemetry-datum-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.telemetry-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.telemetry-key {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.telemetry-val {
  font-size: var(--text-xs);
  color: var(--fg);
  font-weight: 500;
  overflow-wrap: break-word;
  word-break: break-word;
}

.archive-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .archive-header-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
  }
}

.archive-heading-group h2 {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
}

.archive-heading-group p {
  font-size: var(--text-sm);
  color: var(--muted);
  margin-top: 4px;
}

/* Inline Search Form */
.session-search-form {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
  max-width: 320px;
}

@media (max-width: 768px) {
  .session-search-form {
    max-width: 100%;
  }
}

.session-search-input {
  width: 100%;
  padding: var(--space-2) var(--space-4);
  padding-left: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  transition: border-color var(--transition), box-shadow var(--transition);
  box-sizing: border-box;
}

.session-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-tint);
}

.search-icon-symbol {
  position: absolute;
  left: var(--space-2);
  color: var(--muted);
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.search-status-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  margin-top: 4px;
  min-height: 1.2em;
}

/* Session Cards Multi-column Grid (Variance dial 6) */
.session-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 1024px) {
  .session-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .session-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }
}

.session-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  word-break: break-word;
  overflow-wrap: break-word;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

@media (max-width: 768px) {
  .session-card {
    padding: var(--space-4);
  }
}

.session-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 4px 16px var(--accent-tint);
}

.card-session-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  flex-wrap: wrap;
  gap: var(--space-1);
}

.session-code {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.session-date {
  color: var(--muted);
}

.session-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-2);
  overflow-wrap: break-word;
  word-break: break-word;
}

.session-card-title a {
  color: var(--fg);
  text-decoration: none;
}

.session-card-title a:hover {
  color: var(--accent);
}

.session-card-desc {
  font-size: var(--text-sm);
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  list-style: none;
}

.card-tags li a {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  background: var(--bg);
  padding: 2px var(--space-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.card-tags li a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.session-card-link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.session-card-link:hover {
  text-decoration: underline;
}

.search-no-results {
  grid-column: 1 / -1;
  padding: var(--space-6);
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* --- PROSE & ARTICLE STYLES --- */
.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-7) var(--space-5);
  box-sizing: border-box;
  width: 100%;
}

@media (max-width: 768px) {
  .page-container {
    padding: var(--space-5) var(--space-3);
  }
}

.prose-wrapper {
  max-width: var(--measure);
  margin-inline: auto;
  width: 100%;
}

/* 2-Column Article Layout with Supporting Rail (Finding 2) */
.article-layout {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: var(--space-7);
  align-items: start;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-5);
  }
}

.article-main {
  min-width: 0;
  max-width: var(--measure);
  width: 100%;
}

.meta-datum {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.sidebar-datum-card, .sidebar-nav-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-sizing: border-box;
}

.sidebar-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-3);
}

.sidebar-card-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--fg);
}

.sidebar-card-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.sidebar-datum-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar-datum-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-xs);
  border-bottom: 1px dashed var(--border-subtle);
  padding-bottom: 4px;
}

.sidebar-datum-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-datum-key {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 11px;
}

.sidebar-datum-val {
  font-family: var(--font-mono);
  color: var(--fg);
  font-weight: 600;
  text-align: right;
  overflow-wrap: break-word;
  word-break: break-word;
}

.sidebar-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar-nav-links li a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--fg);
  display: block;
  padding: 4px var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.sidebar-nav-links li a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-tint);
}

.article-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.article-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.article-title {
  font-size: var(--text-2xl);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
  word-break: break-word;
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
}

.prose {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--fg);
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: var(--measure);
}

.prose > * + * {
  margin-top: var(--space-4);
}

.prose h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
}

.prose h3 {
  font-size: var(--text-lg);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}

.prose ul, .prose ol {
  padding-left: var(--space-5);
}

.prose li {
  margin-bottom: var(--space-2);
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: var(--space-3) var(--space-5);
  background: var(--surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--fg);
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-6) 0;
}

/* Callout / Session Note Shortcodes */
.callout {
  padding: var(--space-4) var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  margin: var(--space-5) 0;
  font-size: var(--text-sm);
}

.callout p:last-child {
  margin-bottom: 0;
}

/* Code Blocks & Highlight Theme Override per DESIGN.md §6 */
.prose pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  margin: var(--space-5) 0;
  max-width: 100%;
  box-sizing: border-box;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.prose pre code {
  background: transparent;
  padding: 0;
  border: none;
}

.hljs {
  background: transparent !important;
}

/* Syntax colors remapped to palette tokens in dark scheme */
:root[data-theme="dark"] .hljs-keyword { color: var(--accent); }
:root[data-theme="dark"] .hljs-string { color: color-mix(in srgb, var(--accent) 70%, #fff); }
:root[data-theme="dark"] .hljs-comment { color: var(--muted); }
:root[data-theme="dark"] .hljs-number { color: var(--fg); }

/* --- TAXONOMY PAGES --- */
.taxonomy-term-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
  list-style: none;
  width: 100%;
  box-sizing: border-box;
}

.taxonomy-term-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: var(--fg);
  transition: border-color var(--transition), transform var(--transition);
  box-sizing: border-box;
}

.taxonomy-term-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}

.term-tag-name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
}

.term-badge-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: var(--bg);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* --- 404 NOT FOUND --- */
.error-page-wrap {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  max-width: 50ch;
  margin: 0 auto;
  box-sizing: border-box;
}

.error-code-badge {
  font-family: var(--font-mono);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--space-4);
}

/* --- BAND 5: COLOPHON FOOTER --- */
.site-foot {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-6) 0;
  margin-top: auto;
  width: 100%;
}

.foot-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  box-sizing: border-box;
  width: 100%;
}

@media (max-width: 768px) {
  .foot-inner {
    padding: 0 var(--space-3);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}

.colophon-block {
  max-width: 65ch;
  min-width: 0;
}

.colophon-text {
  font-size: var(--text-sm);
  color: var(--fg);
  font-weight: 500;
}

.colophon-sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
  margin-top: 4px;
}

.foot-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.foot-nav a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.foot-nav a:hover {
  color: var(--accent);
  text-decoration: underline;
}