:root {
  --bg-top: #0d1726;
  --bg-bottom: #050a12;
  --panel-bg: rgba(8, 12, 22, 0.72);
  --panel-border: rgba(255, 255, 255, 0.1);
  --text-main: #f5f4ef;
  --text-muted: #b2bbca;
  --accent: #72d3ff;
  --accent-strong: #20a6ff;
  --accent-soft: rgba(114, 211, 255, 0.14);
  --shadow-glow: rgba(32, 166, 255, 0.24);
  --grid-line: rgba(255, 255, 255, 0.05);
  --button-bg: rgba(255, 255, 255, 0.06);
  --button-border: rgba(255, 255, 255, 0.12);
  --track-fill: linear-gradient(90deg, var(--accent) 0%, var(--accent-strong) 100%);
  --track-empty: rgba(255, 255, 255, 0.08);
  --font-ui: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-display: "Georgia", "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 20%, transparent), transparent 38%),
    radial-gradient(circle at top right, rgba(255, 196, 130, 0.16), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.52), transparent 85%);
}

button,
input,
textarea,
select {
  font: inherit;
}

code {
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  font-size: 0.95em;
}

.app-shell {
  width: min(1380px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.panel {
  position: relative;
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background: var(--panel-bg);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.38),
    0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  backdrop-filter: blur(20px);
}

.hero {
  padding: 1.5rem;
  overflow: hidden;
}

.hero::after,
.stage-panel::after,
.dossier::after {
  content: "";
  position: absolute;
  inset: auto -10% 0 auto;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 68%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.76rem;
  color: var(--accent);
}

.hero-copy {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 1.5rem;
  align-items: end;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  line-height: 0.94;
  letter-spacing: -0.03em;
}

.hero-summary {
  max-width: 64ch;
  margin: 1rem 0 0;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.hero-stats {
  display: grid;
  gap: 0.9rem;
}

.stat-card {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    var(--accent-soft);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-card span,
.detail-card span {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-card strong,
.detail-card strong {
  font-size: 1rem;
  line-height: 1.4;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.9fr);
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.stage-panel,
.dossier {
  padding: 1.25rem;
  min-width: 0;
  overflow: hidden;
}

.side-panel {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.stage-toolbar,
.scrub-controls,
.scrubber-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.toolbar-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.toolbar-pill span {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
}

.ghost-button,
.nav-button,
.timeline-button {
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--text-main);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.ghost-button,
.nav-button {
  cursor: pointer;
  touch-action: manipulation;
}

.ghost-button {
  padding: 0.75rem 1rem;
  border-radius: 999px;
}

.nav-button {
  min-width: 110px;
  padding: 0.9rem 1rem;
  border-radius: 18px;
}

.ghost-button:hover,
.nav-button:hover,
.timeline-button:hover,
.ghost-button:focus-visible,
.nav-button:focus-visible,
.timeline-button:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 58%, white 12%);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

.ghost-button.is-playing {
  background: color-mix(in srgb, var(--accent) 22%, var(--button-bg));
}

.image-stage {
  position: relative;
  margin: 1rem 0 0;
  overflow: hidden;
  border-radius: 26px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(5, 7, 11, 0.55), rgba(5, 7, 11, 0.84));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#nocImage {
  width: 100%;
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  display: block;
  transition:
    opacity 220ms ease,
    transform 320ms ease;
}

#nocImage.is-loading {
  opacity: 0.24;
  transform: scale(1.02);
}

.image-caption {
  margin: 1rem 0 1.25rem;
  padding: 0;
}

.image-caption h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.3rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.caption-summary {
  margin: 0.6rem 0 0;
  max-width: 60ch;
  color: var(--text-muted);
  line-height: 1.6;
}

.scrub-controls {
  gap: 1rem;
}

.scrubber {
  flex: 1;
}

.scrubber-head {
  margin-bottom: 0.9rem;
  color: var(--text-muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

#timelineSlider {
  width: 100%;
  appearance: none;
  height: 12px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--accent) var(--progress, 0%), var(--track-empty) var(--progress, 0%));
  outline: none;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

#timelineSlider::-webkit-slider-thumb {
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.8);
  background: linear-gradient(180deg, #ffffff, color-mix(in srgb, var(--accent) 45%, #ffffff));
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 24%, transparent);
  cursor: ew-resize;
}

#timelineSlider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.8);
  background: linear-gradient(180deg, #ffffff, color-mix(in srgb, var(--accent) 45%, #ffffff));
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 24%, transparent);
  cursor: ew-resize;
}

#timelineSlider::-moz-range-track {
  height: 12px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--accent) var(--progress, 0%), var(--track-empty) var(--progress, 0%));
}

.scrubber-note {
  margin: 0.75rem 0 0;
  color: var(--text-muted);
  line-height: 1.5;
  min-height: 3em;
}

.timeline-strip {
  margin-top: 1rem;
}

.timeline-buttons {
  display: flex;
  gap: 0.65rem;
  overflow-x: auto;
  padding-bottom: 0.3rem;
  scrollbar-width: thin;
}

.timeline-button {
  flex: 0 0 auto;
  padding: 0.75rem 0.9rem;
  border-radius: 16px;
  cursor: pointer;
  white-space: nowrap;
  touch-action: manipulation;
}

.timeline-button.is-active {
  background: color-mix(in srgb, var(--accent) 20%, rgba(255, 255, 255, 0.04));
  border-color: color-mix(in srgb, var(--accent) 70%, white 12%);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 15%, transparent);
}

.dossier h3 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  line-height: 1.05;
}

.dossier-body {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.7;
}

.detail-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.detail-card {
  padding: 1rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.025)),
    var(--accent-soft);
}

.nav-button:disabled,
.ghost-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

@media (max-width: 1120px) {
  .hero-copy,
  .layout {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100vw - 1rem, 100%);
    padding: 0.6rem 0 1.4rem;
  }

  .panel {
    border-radius: 20px;
  }

  .hero,
  .stage-panel,
  .dossier {
    padding: 1rem;
  }

  .hero h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .hero-summary {
    font-size: 0.95rem;
  }

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

  .hero-stats .stat-card:last-child {
    grid-column: 1 / -1;
  }

  .stat-card {
    padding: 0.75rem 0.9rem;
    border-radius: 14px;
  }

  .image-stage {
    border-radius: 18px;
  }

  .image-caption {
    margin: 0.85rem 0 1rem;
  }

  .scrub-controls {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav-button {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.85rem 0.75rem;
    border-radius: 14px;
    text-align: center;
  }

  .scrubber {
    order: 1;
    flex-basis: 100%;
  }

  .scrubber-head span:nth-child(2) {
    display: none;
  }

  .scrubber-note {
    font-size: 0.85rem;
  }

  .ghost-button {
    width: 100%;
    padding: 0.85rem 1rem;
  }

  .stage-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

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

  .timeline-button {
    padding: 0.65rem 0.85rem;
    border-radius: 12px;
    font-size: 0.88rem;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .detail-card {
    padding: 0.85rem;
    border-radius: 14px;
  }

  .dossier h3 {
    font-size: 1.4rem;
  }

  .dossier-body {
    font-size: 0.92rem;
  }
}

@media (max-width: 400px) {
  .app-shell {
    width: 100vw;
    padding: 0.4rem 0 1rem;
  }

  .hero,
  .stage-panel,
  .dossier {
    padding: 0.75rem;
    border-radius: 16px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

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

  .hero-stats .stat-card:last-child {
    grid-column: auto;
  }

  .image-stage {
    border-radius: 14px;
  }

  .image-caption h2 {
    font-size: 1.5rem;
  }

  .nav-button {
    font-size: 0.88rem;
    padding: 0.75rem 0.6rem;
  }
}

@media (pointer: coarse) {
  #timelineSlider {
    height: 16px;
  }

  #timelineSlider::-webkit-slider-thumb {
    width: 32px;
    height: 32px;
  }

  #timelineSlider::-moz-range-thumb {
    width: 32px;
    height: 32px;
  }

  #timelineSlider::-moz-range-track {
    height: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}