:root {
  color-scheme: dark;
  --bg: #090d10;
  --surface: #121920;
  --surface-2: #18232b;
  --line: #2a3944;
  --text: #edf5f6;
  --muted: #9db0b8;
  --accent: #58c7b8;
  --accent-strong: #f0c66a;
  --danger: #e47b74;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.36);
  --font-scale: 1;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-size: calc(16px * var(--font-scale));
}

body.colourblind-mode {
  --accent: #66c2ff;
  --accent-strong: #ffd166;
  --danger: #ff8a65;
}

button {
  border: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
}

.menu-screen,
.case-screen {
  min-height: 100vh;
  padding: clamp(24px, 5vw, 72px);
}

.menu-screen {
  display: grid;
  grid-template-columns: minmax(280px, 640px) minmax(260px, 380px);
  gap: clamp(28px, 6vw, 96px);
  align-items: center;
  background:
    radial-gradient(circle at 80% 18%, rgba(88, 199, 184, 0.18), transparent 31%),
    linear-gradient(135deg, #10171c, #080b0e 60%);
}

.menu-copy h1,
.case-screen h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.9;
  letter-spacing: 0;
}

.menu-lede {
  max-width: 46rem;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1.65;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.menu-actions,
.scene-toolbar,
.zoom-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.primary-action,
.secondary-action,
.icon-button,
.tool-stack button,
.room-list button {
  min-height: 42px;
  border-radius: 8px;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.primary-action {
  padding: 0 18px;
  background: var(--accent);
  color: #07110f;
  font-weight: 800;
}

.secondary-action,
.tool-stack button,
.room-list button {
  padding: 0 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.primary-action:hover,
.secondary-action:hover,
.icon-button:hover,
.tool-stack button:hover,
.room-list button:hover {
  transform: translateY(-1px);
}

.icon-button {
  width: 42px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: 1.35rem;
}

.menu-panel,
.panel,
.case-card,
.evidence-modal {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 25, 32, 0.86);
  box-shadow: var(--shadow);
}

.menu-panel {
  padding: 22px;
}

.profile-gate {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.7);
  z-index: 80;
}

.profile-gate form {
  width: min(420px, 100%);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.profile-gate h2 {
  margin: 0 0 16px;
}

.profile-gate label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.profile-gate input {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 10px;
  font: inherit;
}

.save-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  padding: 10px 14px;
  border: 1px solid rgba(88, 199, 184, 0.7);
  border-radius: 8px;
  background: rgba(18, 25, 32, 0.95);
  color: var(--accent);
  font-weight: 800;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.save-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.instrument-row {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.instrument-row:last-child {
  border-bottom: 0;
}

.instrument-row span {
  color: var(--muted);
}

.screen-header {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 34px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.case-card {
  min-height: 270px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.case-card h2 {
  margin: 4px 0 10px;
  font-size: 1.4rem;
}

.case-card p {
  color: var(--muted);
  line-height: 1.55;
}

.case-location {
  color: var(--accent-strong);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.investigation-layout {
  height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 320px;
  background: #0c1115;
  overflow: hidden;
}

.left-rail,
.right-rail {
  min-width: 0;
  padding: 18px;
  background: var(--surface);
  border-color: var(--line);
  overflow-y: auto;
}

.left-rail {
  border-right: 1px solid var(--line);
}

.right-rail {
  border-left: 1px solid var(--line);
}

.case-heading h1 {
  margin: 0 0 8px;
  font-size: 1.5rem;
}

.case-heading p:last-child {
  margin: 0 0 20px;
  color: var(--muted);
}

.room-list,
.tool-stack,
.item-list,
.note-list {
  display: grid;
  gap: 10px;
}

.room-list {
  margin-bottom: 24px;
}

.room-list button {
  text-align: left;
}

.room-list button.active {
  background: rgba(88, 199, 184, 0.16);
  border-color: var(--accent);
}

.tool-stack button.active {
  background: rgba(240, 198, 106, 0.16);
  border-color: var(--accent-strong);
  color: var(--accent-strong);
}

.scene-column {
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.scene-toolbar,
.tool-status,
.observation-bar {
  min-height: 58px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(18, 25, 32, 0.92);
}

.scene-toolbar {
  justify-content: space-between;
}

.tool-status {
  min-height: 38px;
  display: flex;
  align-items: center;
  color: var(--accent-strong);
  font-weight: 800;
  letter-spacing: 0.03em;
}

.observation-bar {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

.viewport {
  position: relative;
  overflow: hidden;
  touch-action: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    #070a0d;
  background-size: 40px 40px;
}

.viewport::before,
.viewport::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.viewport::before {
  background-image:
    radial-gradient(circle, rgba(237, 245, 246, 0.16) 0 1px, transparent 1px),
    linear-gradient(115deg, transparent 0 22%, rgba(240, 198, 106, 0.08) 30%, transparent 46%);
  background-size: 96px 96px, 100% 100%;
  animation: dust-drift 16s linear infinite;
  opacity: 0.4;
}

.viewport::after {
  background: linear-gradient(90deg, transparent 0 64%, rgba(237, 245, 246, 0.04) 73%, transparent 86%);
  animation: light-shift 7s ease-in-out infinite alternate;
  opacity: 0.7;
}

.viewport.tool-camera {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Crect x='4' y='8' width='20' height='14' rx='2' fill='%23f0c66a' stroke='%2307110f' stroke-width='2'/%3E%3Cpath d='M10 8l2-3h5l2 3' fill='%23f0c66a' stroke='%2307110f' stroke-width='2'/%3E%3Ccircle cx='14' cy='15' r='4' fill='%2307110f'/%3E%3C/svg%3E") 14 14, crosshair;
}

.viewport.tool-magnifier {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3E%3Ccircle cx='12' cy='12' r='8' fill='none' stroke='%2358c7b8' stroke-width='4'/%3E%3Cpath d='M18 18l8 8' stroke='%2358c7b8' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E") 12 12, zoom-in;
}

.viewport.tool-bag {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath d='M8 10h12l2 14H6z' fill='%23edf5f6' stroke='%2307110f' stroke-width='2'/%3E%3Cpath d='M10 10c0-4 8-4 8 0' fill='none' stroke='%2307110f' stroke-width='2'/%3E%3C/svg%3E") 12 12, copy;
}

.magnifier-lens {
  position: absolute;
  width: 160px;
  height: 160px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  z-index: 20;
  box-shadow:
    0 8px 26px rgba(0, 0, 0, 0.4),
    inset 0 0 0 1px rgba(255, 255, 255, 0.25);
  transition: opacity 120ms ease;
}

.magnifier-lens.visible {
  opacity: 1;
}

.world {
  position: absolute;
  left: 50%;
  top: 50%;
  transform-origin: center center;
  transition: transform 90ms ease-out;
  z-index: 2;
}

.room-art {
  position: relative;
  transform: translate(-50%, -50%);
  border: 1px solid #334650;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  isolation: isolate;
  overflow: hidden;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.04), var(--shadow);
}

.room-art.has-image {
  border-color: rgba(237, 245, 246, 0.2);
}

.decor,
.scene-object {
  position: absolute;
}

.decor {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
}

.decor.counter,
.decor.console {
  background: #384049;
}

.decor.table {
  border-radius: 8px;
  background: #453b32;
}

.decor.rug,
.decor.mat {
  background: repeating-linear-gradient(90deg, #3b4850, #3b4850 14px, #303b42 14px, #303b42 28px);
}

.decor.cabinet {
  background: #2e383e;
}

.scene-object {
  display: grid;
  place-items: center;
  border: 1px solid rgba(237, 245, 246, 0.28);
  background: rgba(237, 245, 246, 0.08);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: transparent;
  outline: 0;
  padding: 0;
  z-index: 2;
  transform: rotate(var(--rotation, 0deg));
}

.scene-object.has-image {
  border-color: transparent;
  background-color: transparent;
  background-size: contain;
  opacity: var(--evidence-opacity, 1);
  filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.28));
}

.scene-object.requires-magnifier {
  opacity: 0.08;
}

.room-art.magnifier-active .scene-object.requires-magnifier {
  opacity: var(--evidence-opacity, 1);
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.36)) brightness(1.12);
}

.scene-object.collected-marker {
  opacity: 0.72;
  pointer-events: auto;
}

.scene-object.collected-marker::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px dashed rgba(88, 199, 184, 0.6);
  border-radius: inherit;
  pointer-events: none;
}

.scene-object:hover,
.scene-object:focus-visible {
  border-color: rgba(240, 198, 106, 0.85);
}

.scene-object.has-image:hover,
.scene-object.has-image:focus-visible {
  background-color: rgba(240, 198, 106, 0.04);
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.36)) brightness(1.08);
}

.scene-object span {
  opacity: 0;
  pointer-events: none;
}

.scene-object.round {
  border-radius: 50%;
  background: rgba(220, 246, 255, 0.15);
}

.scene-object.has-image.round,
.scene-object.has-image.paper,
.scene-object.has-image.footprint {
  background-color: transparent;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.scene-object.paper {
  background: #d8d1ba;
}

.scene-object.footprint {
  border-radius: 60% 40% 55% 45%;
  background: #584938;
}

.panel {
  padding: 14px;
  margin-bottom: 14px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.panel-header h2 {
  margin: 0;
  font-size: 1rem;
}

.panel-header span {
  color: var(--accent-strong);
  font-weight: 800;
}

.progress-panel {
  display: grid;
  gap: 12px;
}

.progress-meter {
  display: grid;
  gap: 6px;
}

.progress-meter div,
.ready-line {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.86rem;
}

.progress-meter strong,
.ready-line span {
  color: var(--accent-strong);
}

.progress-meter meter {
  width: 100%;
  height: 10px;
}

.item-chip {
  width: 100%;
  padding: 11px;
  border-radius: 8px;
  background: rgba(88, 199, 184, 0.1);
  color: var(--text);
  text-align: left;
}

.item-chip span,
.item-chip small {
  display: block;
}

.item-chip small {
  margin-top: 4px;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.7rem;
}

.evidence-card {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.evidence-card img,
.evidence-card-fallback {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  border: 1px solid var(--line);
  object-fit: contain;
  background: #0b1014;
}

.evidence-card-fallback {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.evidence-card-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}

.evidence-card-title strong {
  font-size: 0.94rem;
}

.evidence-card-title span {
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.evidence-card p {
  margin: 6px 0 10px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.classification-field {
  display: grid;
  gap: 5px;
  margin-bottom: 10px;
}

.classification-field span,
.simulation-control span {
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.classification-field select,
.simulation-control select,
.simulation-control input {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 7px;
  font: inherit;
}

.evidence-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.evidence-card-actions button {
  min-height: 34px;
  padding: 0 10px;
}

.empty-state {
  color: var(--muted);
}

.note-category {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}

.note-category h3 {
  margin: 0 0 10px;
  font-size: 0.9rem;
  color: var(--accent-strong);
}

.note-list article {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.note-list p {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.note-list strong {
  display: block;
  margin: 0 0 5px;
  font-size: 0.95rem;
}

.note-list span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.photo-note dl {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
}

.photo-note div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px;
}

.photo-note dt {
  color: var(--accent-strong);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.photo-note dd {
  margin: 0;
  color: var(--muted);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.64);
}

.collection-confirm {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.48);
  z-index: 50;
}

.collection-confirm section {
  width: min(360px, 100%);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.collection-confirm h2 {
  margin: 0 0 8px;
}

.collection-confirm p {
  margin: 0;
  color: var(--muted);
}

.evidence-modal {
  width: min(560px, 100%);
  padding: 18px;
}

.evidence-modal header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.evidence-modal h2 {
  margin: 0;
}

.evidence-modal p {
  color: var(--muted);
  line-height: 1.6;
}

.evidence-visual {
  height: 220px;
  display: grid;
  place-items: center;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b1014;
  color: var(--text);
}

.evidence-photo {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  display: block;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0b1014;
}

.inspection-grid {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(220px, 1fr);
  gap: 16px;
}

.metadata-list {
  display: grid;
  gap: 10px;
}

.metadata-list p,
.note-field {
  display: grid;
  gap: 5px;
  margin: 0;
}

.metadata-list strong,
.note-field span {
  color: var(--accent-strong);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.metadata-list span {
  color: var(--muted);
  line-height: 1.45;
}

.note-field textarea,
.case-report textarea,
.case-report input,
.connection-form input,
.connection-form select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 10px;
  font: inherit;
}

.note-field textarea,
.case-report textarea {
  min-height: 96px;
  resize: vertical;
}

.modal-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.workstation-layout,
.dialogue-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 320px;
  background: #0c1115;
}

.workbench,
.dialogue-panel {
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
}

.instrument-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.instrument-card,
.test-card,
.witness-card,
.question-card,
.connection-card,
.evaluation-card,
.empty-workbench {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 25, 32, 0.86);
}

.instrument-card {
  min-height: 74px;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.lab-panel,
.dialogue-panel > [data-dialogue-content] {
  padding: 18px;
  overflow: auto;
}

.lab-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 18px;
}

.lab-header h2,
.witness-card h2,
.board-surface h1,
.case-report h1,
.reconstruction-stage h1 {
  margin: 0;
}

.lab-header p,
.witness-card p,
.empty-workbench p {
  color: var(--muted);
  line-height: 1.55;
}

.test-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.test-card,
.question-card {
  min-height: 92px;
  padding: 14px;
  text-align: left;
}

.test-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.test-actions button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.test-card span,
.question-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.test-card.complete {
  border-color: var(--accent);
  background: rgba(88, 199, 184, 0.12);
}

.results-list {
  margin-top: 22px;
}

.experiment-panel {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(88, 199, 184, 0.08);
}

.experiment-panel h3 {
  margin-top: 0;
}

.experiment-panel p {
  color: var(--muted);
  line-height: 1.55;
}

.experiment-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.experiment-steps button {
  min-height: 48px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  text-align: left;
}

.experiment-steps button.complete {
  border-color: var(--accent);
  background: rgba(88, 199, 184, 0.16);
}

.simulation-control {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.simulation-control small {
  color: var(--danger);
  line-height: 1.4;
}

.comparison-control button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.results-list article,
.dialogue-answer,
.connection-card {
  padding: 14px;
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.results-list p,
.results-list span,
.dialogue-answer p,
.connection-card p {
  color: var(--muted);
}

.witness-card {
  padding: 18px;
  margin-bottom: 16px;
}

.witness-state {
  display: inline-block;
  margin-top: 10px;
  padding: 7px 9px;
  border: 1px solid rgba(88, 199, 184, 0.45);
  border-radius: 8px;
  color: var(--accent);
  background: rgba(88, 199, 184, 0.08);
  font-size: 0.82rem;
}

.suspect-facts {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
}

.suspect-facts div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.suspect-facts dt {
  color: var(--accent-strong);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.suspect-facts dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.question-list {
  display: grid;
  gap: 10px;
}

.question-card.asked {
  border-color: rgba(88, 199, 184, 0.65);
}

.question-card:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.board-layout,
.report-layout,
.reconstruction-screen {
  min-height: 100vh;
  background: #0c1115;
}

.board-surface,
.case-report,
.evaluation-panel,
.reconstruction-stage {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
}

.connection-form {
  display: grid;
  grid-template-columns: 1fr 1fr minmax(220px, 1.2fr) auto;
  gap: 10px;
  margin: 18px 0;
}

.board-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.board-column {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 25, 32, 0.72);
}

.board-column h2 {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-size: 0.9rem;
}

.board-column ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.45;
}

.connection-list {
  display: grid;
  gap: 12px;
}

.connection-card {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  gap: 12px;
  align-items: center;
}

.connection-card p {
  grid-column: 1 / 4;
  margin: 0;
}

.connection-actions {
  display: flex;
  gap: 6px;
  grid-row: span 2;
}

.connection-actions .icon-button {
  width: 34px;
  min-height: 34px;
  font-size: 1rem;
}

.case-report {
  display: grid;
  gap: 14px;
}

.case-report label {
  display: grid;
  gap: 8px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.evaluation-card {
  padding: 18px;
}

.evaluation-card.success {
  border-color: var(--accent);
  background: rgba(88, 199, 184, 0.12);
}

.completion-card {
  display: grid;
  gap: 12px;
}

.completion-card section {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.completion-card h3 {
  margin: 0 0 6px;
  color: var(--accent-strong);
}

.score-line {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.score-line strong {
  font-size: 1.8rem;
  color: var(--accent);
}

.score-line span {
  color: var(--accent-strong);
  font-weight: 900;
  text-transform: uppercase;
}

.reconstruction-timeline {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.reconstruction-timeline article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 25, 32, 0.86);
}

.reconstruction-timeline span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #07110f;
  font-weight: 800;
  grid-row: span 2;
}

.reconstruction-timeline h2,
.reconstruction-timeline p {
  margin: 0;
}

.reconstruction-timeline p {
  color: var(--muted);
  line-height: 1.55;
}

.reconstruction-video {
  width: 100%;
  margin-top: 18px;
  border-radius: 8px;
}

.science-modal {
  width: min(720px, 100%);
  max-height: min(86vh, 820px);
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 25, 32, 0.97);
  box-shadow: var(--shadow);
}

.science-modal.compact {
  width: min(520px, 100%);
}

.science-modal header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 14px;
}

.science-modal h2,
.science-modal h3,
.science-modal p {
  margin-top: 0;
}

.lesson-illustration {
  height: 120px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(228, 123, 116, 0.18), rgba(240, 198, 106, 0.18), rgba(88, 199, 184, 0.18)),
    #0b1014;
}

.lesson-illustration span {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(237, 245, 246, 0.08);
  color: var(--accent-strong);
  font-weight: 900;
}

.lesson-illustration.pulse span {
  animation: lesson-pulse 1.6s ease-in-out infinite;
}

.lesson-illustration.ph-scale span {
  animation: ph-slide 2.4s ease-in-out infinite alternate;
}

.lesson-section,
.interactive-example {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.lesson-section h3,
.interactive-example h3 {
  color: var(--accent-strong);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.lesson-section p,
.interactive-example p,
.assistant-nudge {
  color: var(--muted);
  line-height: 1.55;
}

.assistant-nudge {
  padding: 12px;
  border-radius: 8px;
  background: rgba(88, 199, 184, 0.1);
}

.example-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.example-steps span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.library-layout {
  min-height: 100vh;
  background: #0c1115;
}

.library-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
}

.library-shell h1 {
  margin: 0 0 14px;
}

.library-shell input {
  width: min(520px, 100%);
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 10px;
  font: inherit;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.library-card {
  min-height: 170px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 25, 32, 0.86);
  text-align: left;
}

.library-card span {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.library-card strong {
  display: block;
  margin: 8px 0;
  font-size: 1.05rem;
}

.library-card p {
  color: var(--muted);
  line-height: 1.5;
}

.timeline-layout,
.settings-layout {
  min-height: 100vh;
  background: #0c1115;
}

.timeline-shell,
.settings-form {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
}

.timeline-shell h1,
.settings-form h1 {
  margin: 0 0 18px;
}

.timeline-form {
  display: grid;
  grid-template-columns: minmax(150px, 0.6fr) minmax(220px, 1.4fr) minmax(150px, 0.5fr) auto;
  gap: 10px;
  margin-bottom: 18px;
}

.timeline-form input,
.timeline-form select,
.settings-form input,
.settings-form select {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 10px;
  font: inherit;
}

.timeline-list {
  display: grid;
  gap: 12px;
}

.timeline-card {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 25, 32, 0.86);
}

.timeline-card > span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #07110f;
  font-weight: 900;
}

.timeline-card strong,
.timeline-card p {
  display: block;
  margin: 0 0 5px;
}

.timeline-card p,
.timeline-card small {
  color: var(--muted);
}

.settings-form {
  display: grid;
  gap: 16px;
  max-width: 680px;
}

.settings-form label {
  display: grid;
  gap: 8px;
  color: var(--accent-strong);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.settings-form .switch-line {
  grid-template-columns: 1fr auto;
  align-items: center;
  text-transform: none;
  color: var(--text);
}

@keyframes lesson-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}

@keyframes ph-slide {
  from {
    transform: translateX(-70px);
  }
  to {
    transform: translateX(70px);
  }
}

@keyframes dust-drift {
  from {
    background-position: 0 0, center;
  }
  to {
    background-position: 96px 96px, center;
  }
}

@keyframes light-shift {
  from {
    transform: translateX(-2%);
  }
  to {
    transform: translateX(2%);
  }
}

.result-strip {
  padding: 12px;
  border-radius: 8px;
  background: rgba(88, 199, 184, 0.13);
  color: var(--accent);
  font-weight: 800;
}

.result-strip.neutral {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 980px) {
  .menu-screen {
    grid-template-columns: 1fr;
  }

  .investigation-layout {
    height: auto;
    min-height: 100vh;
    grid-template-columns: 1fr;
  }

  .workstation-layout,
  .dialogue-layout {
    grid-template-columns: 1fr;
  }

  .connection-form,
  .timeline-form,
  .inspection-grid {
    grid-template-columns: 1fr;
  }

  .left-rail,
  .right-rail {
    border: 0;
  }

  .scene-column {
    min-height: 72vh;
  }
}