/* ============================================================
   MCU MULTIVERSE SAGA TRACKER — STARK TECH × TVA DESIGN SYSTEM
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Inter:wght@300;400;500;600&family=Share+Tech+Mono&display=swap');

/* ── Design Tokens ── */
:root {
  --color-bg-deep: #050a18;
  --color-bg-panel: rgba(10, 20, 50, 0.6);
  --color-accent-gold: #e8a020;
  --color-accent-cyan: #00d4ff;
  --color-accent-purple: #7b4fff;
  --color-text-primary: #e8eaf0;
  --color-text-muted: #7a8aaa;
  --color-border-glass: rgba(0, 212, 255, 0.15);
  --color-legacy-glow: #ff6b35;
  --color-mainline-glow: #00d4ff;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --transition-fast: 200ms ease;
  --transition-med: 300ms ease;
  /* Sticky toolbars sit below the header; adjust if header content changes */
  --site-header-offset: 120px;
  --filter-sticky-top: var(--site-header-offset);
  --timeline-controls-sticky-top: calc(var(--site-header-offset) + 8px);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-deep);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(123, 79, 255, 0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 80%, rgba(232, 160, 32, 0.03) 0%, transparent 50%),
    linear-gradient(160deg, #050a18 0%, #0a1628 50%, #0d0a1f 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Star-field texture ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.55) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 40%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 40% 10%, rgba(255,255,255,0.45) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 65%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 30%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 82% 55%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 85%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 75%, rgba(255,255,255,0.45) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 90%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 35% 55%, rgba(255,255,255,0.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 48% 35%, rgba(0,212,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 75% 72%, rgba(123,79,255,0.25) 0%, transparent 100%);
}

/* ── CRT scanline overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* ── Content above overlays ── */
header, main, footer { position: relative; z-index: 2; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.3); border-radius: 3px; }

/* ============================================================
   STEP 2 — HEADER / HERO
   ============================================================ */
header {
  background: rgba(5, 10, 24, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-glass);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.08);
  padding: 1.5rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

header h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.5vw, 2.6rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #e8a020 0%, #ffffff 50%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

header p.subtitle {
  font-family: var(--font-body);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 0.35rem;
  max-width: 520px;
}

/* Animated sweep line under h1 */
.header-rule {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent-cyan) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: sweepRule 1.8s ease-out forwards;
  margin-top: 0.5rem;
}

@keyframes sweepRule {
  from { background-position: 200% 0; opacity: 0; }
  to   { background-position: -200% 0; opacity: 1; }
}

/* TVA Temporal Status badge */
.tva-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: rgba(232, 160, 32, 0.08);
  border: 1px solid var(--color-accent-gold);
  border-radius: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.tva-badge-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
}

.tva-badge-date {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  font-weight: 700;
}

/* ============================================================
   STEP 3 — KPI CARDS
   ============================================================ */
.glass-panel {
  background: var(--color-bg-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-glass);
  border-radius: 12px;
  position: relative;
}

/* Corner targeting frame accents */
.glass-panel::before,
.glass-panel::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
  z-index: 1;
}
.glass-panel::before {
  top: -1px; left: -1px;
  border-top: 2px solid var(--color-accent-cyan);
  border-left: 2px solid var(--color-accent-cyan);
  border-radius: 2px 0 0 0;
}
.glass-panel::after {
  bottom: -1px; right: -1px;
  border-bottom: 2px solid var(--color-accent-cyan);
  border-right: 2px solid var(--color-accent-cyan);
  border-radius: 0 0 2px 0;
}

.kpi-card {
  padding: 1.75rem;
  text-align: center;
}

.kpi-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-accent-gold);
  text-shadow: 0 0 20px rgba(232, 160, 32, 0.6);
  line-height: 1;
  display: block;
}

.kpi-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Status dot */
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 6px rgba(52, 211, 153, 0.8);
  animation: pulse-dot 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

/* ============================================================
   STEP 4 — CHART SECTION
   ============================================================ */
.chart-container {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  height: 320px;
  max-height: 360px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

/* Chart panel: title + hint (replaces prior inline styles) */
.chart-panel .chart-panel-title {
  font-size: 0.75rem;
  margin-bottom: 0.2rem;
}

.chart-hint {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-top: 0.75rem;
  text-transform: uppercase;
}

/* TVA-only universe enumeration (shown via JS when theme is TVA) */
.tva-universe-terminal {
  margin-bottom: 1rem;
}

.tva-terminal-banner {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.tva-universe-terminal-body {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  line-height: 1.45;
  color: var(--color-text-primary);
  white-space: pre-wrap;
  overflow-x: auto;
  padding: 0.75rem;
  margin: 0;
  border: 1px solid var(--color-border-glass);
  border-radius: 8px;
  background: rgba(5, 10, 24, 0.35);
}

.tva-terminal-status {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  margin-top: 0.5rem;
  color: var(--color-text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-switcher-btn {
  background: transparent;
  border: 1px solid var(--color-border-glass);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  flex-shrink: 0;
}

.theme-switcher-btn:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

.theme-switcher-btn:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 2px;
}

.icon-toggle-btn:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 2px;
}

/* ============================================================
   STEP 5 — FILTER BAR
   ============================================================ */
.filter-bar {
  background: rgba(5, 10, 24, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-glass);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: sticky;
  top: var(--filter-sticky-top);
  z-index: 40;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .filter-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

#filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.filter-btn:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.3);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--color-accent-cyan);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
}

.filter-btn[data-filter="Legacy"].active {
  background: rgba(232, 160, 32, 0.12);
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  box-shadow: 0 0 20px rgba(232, 160, 32, 0.35);
}

#searchInput {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border-glass);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 0.55rem 1rem;
  outline: none;
  width: 100%;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

#searchInput::placeholder { color: var(--color-text-muted); }

#searchInput:focus {
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

@media (min-width: 768px) {
  #searchInput { width: 220px; }
}

/* ============================================================
   STEP 6 — WATCHLIST CARDS
   ============================================================ */
#card-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px)  { #card-container { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { #card-container { grid-template-columns: repeat(3, 1fr); } }

.watch-card {
  background: rgba(10, 20, 50, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition-med), transform var(--transition-med);
  position: relative;
}

/* Universe border variants */
.watch-card.universe-mainline {
  border: 1px solid rgba(0, 212, 255, 0.3);
}
.watch-card.universe-mainline:hover {
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.2);
  transform: translateY(-3px);
}

.watch-card.universe-legacy {
  border: 1px solid rgba(255, 107, 53, 0.4);
  border-top: 2px solid var(--color-legacy-glow);
}
.watch-card.universe-legacy:hover {
  box-shadow: 0 0 28px rgba(255, 107, 53, 0.25);
  transform: translateY(-3px);
}

.watch-card.universe-tva {
  border: 1px solid rgba(123, 79, 255, 0.4);
}
.watch-card.universe-tva:hover {
  box-shadow: 0 0 28px rgba(123, 79, 255, 0.25);
  transform: translateY(-3px);
}

/* Top edge gradient stripe via pseudo */
.watch-card::before {
  content: '';
  display: block;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--stripe-color, var(--color-accent-cyan)), transparent);
}

.watch-card.universe-mainline { --stripe-color: var(--color-accent-cyan); }
.watch-card.universe-legacy   { --stripe-color: var(--color-legacy-glow); }
.watch-card.universe-tva      { --stripe-color: var(--color-accent-purple); }

/* Card inner */
.card-inner { padding: 1.25rem; }

/* Card header row */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

/* Phase badge */
.phase-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  font-weight: 600;
  white-space: nowrap;
}

.phase-badge.phase-early {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.4);
  color: var(--color-accent-cyan);
}
.phase-badge.phase-mid {
  background: rgba(232, 160, 32, 0.1);
  border: 1px solid rgba(232, 160, 32, 0.4);
  color: var(--color-accent-gold);
}
.phase-badge.phase-late {
  background: rgba(123, 79, 255, 0.1);
  border: 1px solid rgba(123, 79, 255, 0.4);
  color: var(--color-accent-purple);
}
.phase-badge.phase-legacy {
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.4);
  color: var(--color-legacy-glow);
}

/* Release date */
.card-date {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.card-date::before { content: '◈ '; color: var(--color-accent-cyan); }

/* Card title */
.card-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: 0.75rem;
  letter-spacing: 0.03em;
}

/* Card meta */
.card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.card-meta-row {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-meta-row .meta-icon { color: var(--color-accent-cyan); font-size: 0.7rem; }

.card-universe {
  color: var(--color-text-muted);
}

/* Expand hint */
.expand-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border-glass);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  transition: color var(--transition-fast);
}

.watch-card:hover .expand-hint { color: var(--color-accent-cyan); }

.expand-chevron {
  display: inline-block;
  transition: transform var(--transition-med);
  font-size: 1rem;
}

.watch-card.expanded .expand-chevron { transform: rotate(180deg); }

/* ============================================================
   STEP 7 — CARD EXPAND INTERACTION
   ============================================================ */
.expanded-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.watch-card.expanded .expanded-content { max-height: 600px; }

.expanded-inner {
  border-top: 1px solid var(--color-border-glass);
  padding: 1rem 1.25rem 1.25rem;
}

.synopsis-label,
.relevance-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.synopsis-text {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: 1rem;
  opacity: 0;
  animation: none;
}

.watch-card.expanded .synopsis-text {
  animation: fadeInText 0.5s ease forwards 0.15s;
}

@keyframes fadeInText {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.relevance-block {
  background: rgba(232, 160, 32, 0.07);
  border-left: 3px solid var(--color-accent-gold);
  border-radius: 0 8px 8px 0;
  padding: 0.75rem 1rem;
}

.relevance-label { color: var(--color-accent-gold); }

.relevance-text {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: #c9aa6e;
  line-height: 1.55;
}

/* ============================================================
   STEP 9 — NO RESULTS
   ============================================================ */
#no-results {
  display: none;
  text-align: center;
  padding: 3.5rem 2rem;
  background: rgba(10, 20, 50, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(123, 79, 255, 0.3);
  border-radius: 16px;
}

#no-results.visible { display: block; }

.null-glyph {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.2em;
  color: rgba(123, 79, 255, 0.5);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

#no-results p {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

#resetSearch {
  margin-top: 1.25rem;
  background: transparent;
  border: 1px solid var(--color-accent-cyan);
  color: var(--color-accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

#resetSearch:hover {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.3);
}

/* ============================================================
   STEP 10 — FOOTER
   ============================================================ */
footer {
  background: rgba(5, 10, 24, 0.9);
  border-top: 1px solid var(--color-border-glass);
  padding: 2rem 1.5rem;
  text-align: center;
}

.footer-separator {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: rgba(0, 212, 255, 0.25);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

footer p {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .overview-grid { grid-template-columns: 1fr 2fr; }
}

.kpi-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chart-panel {
  padding: 1.5rem;
}

/* ============================================================
   STEP 11 — ACCESSIBILITY & RESPONSIVE
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Backdrop-filter fallback */
@supports not (backdrop-filter: blur(1px)) {
  .glass-panel,
  .watch-card,
  header,
  .filter-bar,
  #no-results {
    background: rgba(5, 15, 40, 0.95);
  }
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-accent-cyan);
  outline-offset: 2px;
}

/* Mobile header sticky offset */
@media (max-width: 640px) {
  header { padding: 1rem; }
  .filter-bar { top: 90px; }
  .main-content { padding: 1.5rem 1rem 3rem; }
}

/* Selection */
::selection {
  background: rgba(0, 212, 255, 0.25);
  color: var(--color-text-primary);
}

/* ============================================================
   OVERHAUL 2 — NEW COMPONENT STYLES
   ============================================================ */

/* ── Section 1: Nav Tabs ── */
.main-nav {
  border-top: 1px solid var(--color-border-glass);
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  display: flex;
  gap: 0.25rem;
}

.nav-tab {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.4rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-tab:hover {
  color: var(--color-text-primary);
}

.nav-tab.active {
  color: var(--color-accent-cyan);
  border-bottom: 2px solid var(--color-accent-cyan);
  background: rgba(0, 212, 255, 0.06);
}

/* ── Section 3a: Order Toggle Pill ── */
.filter-bar-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.filter-bar-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  flex-shrink: 0;
}

#order-toggle {
  display: flex;
  border: 1px solid var(--color-border-glass);
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
}

.order-btn {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.order-btn.active {
  background: rgba(0, 212, 255, 0.12);
  color: var(--color-accent-cyan);
}

/* ── Section 3b–3c: Icon Toggle Buttons (Nerd Mode, Spoiler Shield) ── */
.icon-toggle-btn {
  background: transparent;
  border: 1px solid var(--color-border-glass);
  border-radius: 6px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  min-height: 2rem;
  padding: 0 0.45rem;
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  position: relative;
}

.icon-toggle-btn:hover {
  color: var(--color-text-primary);
  border-color: rgba(255,255,255,0.2);
}

.icon-toggle-btn.active-gold {
  color: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 12px rgba(232, 160, 32, 0.5);
}

.icon-toggle-btn.active-cyan {
  color: var(--color-accent-cyan);
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

/* ── Section 4: Completion Checkbox ── */
.completion-check-wrapper {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 3;
}

.completion-check {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.completion-check + .completion-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: rgba(5,10,24,0.6);
}

.completion-check + .completion-label:hover {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 8px rgba(0,212,255,0.3);
}

.completion-check:checked + .completion-label {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 10px var(--color-accent-cyan);
}

.completion-check:checked + .completion-label::after {
  content: '✓';
  font-size: 0.65rem;
  color: var(--color-accent-cyan);
  font-weight: 700;
}

/* Watched stamp */
.watched-stamp {
  position: absolute;
  top: 1rem;
  right: 3rem;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: rgba(0, 212, 255, 0.22);
  transform: rotate(-8deg);
  text-transform: uppercase;
  pointer-events: none;
  border: 1px solid rgba(0,212,255,0.12);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  white-space: nowrap;
  display: none;
}

.watch-card.is-watched .watched-stamp { display: block; }

/* Spoiler blur */
.spoiler-blurred .synopsis-text,
.spoiler-blurred .relevance-text {
  filter: blur(5px);
  user-select: none;
  transition: filter 300ms;
}

/* ── Section 5: Detail Modal / Slide-Over ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 5, 0.6);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.detail-modal {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(500px, 100vw);
  background: rgba(5, 10, 24, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--color-border-glass);
  transform: translateX(100%);
  transition: transform 380ms cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 101;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.detail-modal.open {
  transform: translateX(0);
}

#modal-close {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 1.25rem 1.5rem;
  text-align: right;
  border-bottom: 1px solid var(--color-border-glass);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
}

#modal-close:hover { color: var(--color-accent-cyan); }

#modal-content {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,212,255,0.2) transparent;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-text-primary);
  letter-spacing: 0.04em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.modal-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.modal-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--color-border-glass);
  border-bottom: 1px solid var(--color-border-glass);
  margin-bottom: 1.25rem;
}

.modal-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.modal-meta-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.modal-meta-value {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-primary);
}

.modal-section-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  margin-top: 1.25rem;
}

.modal-synopsis {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  line-height: 1.65;
}

.modal-relevance-block {
  background: rgba(232, 160, 32, 0.07);
  border-left: 3px solid var(--color-accent-gold);
  border-radius: 0 8px 8px 0;
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
}

.modal-relevance-text {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: #c9aa6e;
  line-height: 1.6;
}

.prerequisites-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.prerequisite-chip {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--color-accent-cyan);
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: 4px;
  padding: 0.3rem 0.65rem;
  background: rgba(0,212,255,0.06);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
}

.prerequisite-chip:hover {
  background: rgba(0,212,255,0.15);
  box-shadow: 0 0 10px rgba(0,212,255,0.3);
}

.importance-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.importance-badge.critical {
  background: rgba(232,160,32,0.12);
  border: 1px solid rgba(232,160,32,0.4);
  color: var(--color-accent-gold);
}

.importance-badge.recommended {
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--color-accent-cyan);
}

.importance-badge.optional {
  background: rgba(122,138,170,0.08);
  border: 1px solid rgba(122,138,170,0.2);
  color: var(--color-text-muted);
}

.type-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(123,79,255,0.1);
  border: 1px solid rgba(123,79,255,0.3);
  color: var(--color-accent-purple);
}

/* Open Dossier button */
.open-modal-btn {
  display: block;
  width: 100%;
  background: transparent;
  border: 1px solid var(--color-border-glass);
  border-top: none;
  color: var(--color-accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.65rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.open-modal-btn:hover {
  background: rgba(0,212,255,0.08);
  box-shadow: 0 0 16px rgba(0,212,255,0.2);
  color: #fff;
}

/* Modal completion check */
.modal-completion-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-glass);
}

.modal-completion-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
}

/* ── Section 6: Timeline Page ── */
.timeline-main {
  max-width: 100%;
  padding: 1.5rem 1.5rem 4rem;
  position: relative;
  z-index: 2;
}

.timeline-controls {
  max-width: 1200px;
  margin: 0 auto 2rem;
  background: rgba(5, 10, 24, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-glass);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: var(--timeline-controls-sticky-top);
  z-index: 40;
}

.timeline-controls .timeline-legend {
  flex: 1 1 100%;
  margin-bottom: 0;
}

.timeline-zoom-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.timeline-zoom-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}

#timeline-zoom {
  -webkit-appearance: none;
  appearance: none;
  width: 120px;
  height: 3px;
  background: rgba(0,212,255,0.2);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

#timeline-zoom::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent-cyan);
  box-shadow: 0 0 8px rgba(0,212,255,0.6);
  cursor: pointer;
}

.phase-jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.phase-jump-btn {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  background: transparent;
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.phase-jump-btn:hover {
  border-color: var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

/* Timeline track */
#timeline-wrapper {
  overflow-x: auto;
  padding: 0 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,212,255,0.2) transparent;
  position: relative;
  border-radius: 12px;
  background:
    radial-gradient(ellipse 80% 50% at 50% 50%, rgba(0, 212, 255, 0.04) 0%, transparent 55%),
    linear-gradient(rgba(5, 10, 24, 0.35), rgba(5, 10, 24, 0.35)),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 47px,
      rgba(0, 212, 255, 0.04) 47px,
      rgba(0, 212, 255, 0.04) 48px
    );
}

.timeline-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.timeline-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.timeline-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.timeline-legend-dot.mainline {
  background: var(--color-accent-cyan);
  box-shadow: 0 0 6px rgba(0, 212, 255, 0.45);
}

.timeline-legend-dot.legacy {
  background: var(--color-legacy-glow);
  box-shadow: 0 0 6px rgba(255, 107, 53, 0.45);
}

.timeline-legend-dot.tva-univ {
  background: var(--color-accent-purple);
  box-shadow: 0 0 6px rgba(123, 79, 255, 0.45);
}

#timeline-track {
  display: flex;
  align-items: center;
  position: relative;
  padding: 6rem 3rem;
  gap: var(--node-gap, 3rem);
  width: max-content;
  min-width: 100%;
  scroll-snap-type: x proximity;
}

/* The axis line */
#timeline-track::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-accent-cyan) 10%, var(--color-accent-cyan) 90%, transparent 100%);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

/* Phase group marker */
.phase-marker {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  writing-mode: horizontal-tb;
  position: absolute;
  top: calc(50% - 2.5rem);
  transform: translateX(-50%);
  white-space: nowrap;
  background: rgba(5,10,24,0.8);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  border: 1px solid var(--color-border-glass);
  pointer-events: none;
  display: none;
}

#timeline-track.zoom-mid .phase-marker,
#timeline-track.zoom-high .phase-marker { display: block; }

/* Timeline node */
.timeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex-shrink: 0;
  cursor: pointer;
  scroll-snap-align: start;
  --node-size: 18px;
}

.timeline-node:hover .node-marker {
  transform: scale(1.4);
  box-shadow: 0 0 20px var(--node-color, var(--color-accent-cyan));
}

/* Node markers */
.node-marker {
  width: var(--node-size);
  height: var(--node-size);
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--node-color, var(--color-accent-cyan));
}

.node-marker.movie {
  border-radius: 50%;
}

.node-marker.series {
  border-radius: 2px;
  transform: rotate(45deg);
}

.node-marker.series:hover { transform: rotate(45deg) scale(1.4); }

.node-marker.special {
  border-radius: 1px;
  position: relative;
}

.node-marker.special::before,
.node-marker.special::after {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  border-radius: 1px;
}

.node-marker.special::before { transform: rotate(45deg); }
.node-marker.special::after  { transform: rotate(-45deg); }

/* Node colors by universe */
.timeline-node.universe-mainline .node-marker { background: var(--color-accent-cyan); --node-color: var(--color-accent-cyan); }
.timeline-node.universe-legacy   .node-marker { background: var(--color-legacy-glow); --node-color: var(--color-legacy-glow); }
.timeline-node.universe-tva      .node-marker { background: var(--color-accent-purple); --node-color: var(--color-accent-purple); }

/* Critical pulse */
.timeline-node.importance-critical .node-marker {
  animation: node-pulse 2.5s infinite;
}

@keyframes node-pulse {
  0%, 100% { box-shadow: 0 0 6px var(--node-color, var(--color-accent-cyan)); }
  50%       { box-shadow: 0 0 18px var(--node-color, var(--color-accent-cyan)); }
}

/* Node label */
.node-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  position: absolute;
  width: 100px;
  text-align: center;
  transition: opacity var(--transition-fast);
}

.node-label.above {
  bottom: calc(var(--node-size) / 2 + 1.2rem);
}

.node-label.below {
  top: calc(var(--node-size) / 2 + 1.2rem);
}

.node-title {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.node-date {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.node-stream {
  font-family: var(--font-mono);
  font-size: 0.5rem;
  color: rgba(0,212,255,0.5);
  letter-spacing: 0.05em;
  display: none;
}

/* Zoom levels */
#timeline-track.zoom-low  .node-label  { opacity: 0; pointer-events: none; }
#timeline-track.zoom-low  .node-stream { display: none; }
#timeline-track.zoom-high .node-stream { display: block; }
#timeline-track.zoom-high .node-marker { --node-size: 26px; width: 26px; height: 26px; }

@supports not (backdrop-filter: blur(1px)) {
  .detail-modal, .timeline-controls { background: rgba(3, 8, 20, 0.98); }
}