:root {
  color-scheme: dark;

  /* Tinted archival neutrals (slight green hint) */
  --ink: oklch(94% 0.008 145);
  --ink-strong: oklch(98% 0.005 145);
  --muted: oklch(72% 0.014 145);
  --dim: oklch(54% 0.014 145);

  --field: oklch(13% 0.014 150);
  --field-2: oklch(16% 0.018 150);
  --field-3: oklch(22% 0.022 150);

  --panel: oklch(15% 0.014 145 / 0.94);
  --panel-strong: oklch(19% 0.018 145);
  --panel-glass: oklch(11% 0.015 145 / 0.78);

  --line: oklch(30% 0.018 145);
  --line-soft: oklch(26% 0.014 145 / 0.7);
  --line-bright: oklch(45% 0.04 80);

  /* Single sober amber accent (less garish than before) */
  --amber: oklch(76% 0.105 78);
  --amber-soft: oklch(60% 0.07 78);
  --amber-glow: oklch(76% 0.105 78 / 0.16);
  --amber-strong: oklch(84% 0.13 78);

  /* Status (rare, used only for alerts and feedback) */
  --red: oklch(64% 0.14 28);
  --green: oklch(72% 0.07 156);

  --shadow: 0 16px 60px oklch(2% 0.01 145 / 0.5);
  --shadow-sm: 0 4px 14px oklch(2% 0.01 145 / 0.4);

  --font-sans: "Inter", "Inter var", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --radius: 2px;

  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11", "tnum";
}

* {
  box-sizing: border-box;
}

html {
  background: var(--field);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 8%, oklch(26% 0.04 150 / 0.32), transparent 32rem),
    radial-gradient(circle at 92% 92%, oklch(22% 0.05 80 / 0.18), transparent 30rem),
    linear-gradient(180deg, var(--field-2), var(--field));
}

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

button,
select {
  border-radius: var(--radius);
}

button {
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  transform: translateY(-160%);
  border: 1px solid var(--amber);
  background: var(--panel-strong);
  color: var(--ink);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.atlas-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(22rem, 27rem);
  min-height: 100vh;
}

/* ─── Map stage ───────────────────────────────────────────────── */

.map-stage {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  border-right: 1px solid var(--line);
}

.archive-header {
  position: absolute;
  z-index: 500;
  top: 1.1rem;
  left: 1.1rem;
  right: 1.1rem;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 0.85rem;
  pointer-events: none;
}

.archive-title {
  pointer-events: auto;
  max-width: 38rem;
  padding: 0.85rem 1rem 0.95rem;
  border: 1px solid var(--line);
  background: var(--panel-glass);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.35rem;
  color: var(--amber);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 0.35rem;
  height: 0.35rem;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 0 0.18rem var(--amber-glow);
  animation: dot-pulse 2.4s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

@media (prefers-reduced-motion: reduce) {
  .eyebrow-dot { animation: none; }
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.35rem;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--ink-strong);
}

h2 {
  margin-bottom: 0;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ink-strong);
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--ink-strong);
}

.lede {
  max-width: 56ch;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.signal-readout {
  pointer-events: auto;
  min-width: 9.5rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  background: var(--panel-glass);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  box-shadow: var(--shadow);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.readout-line {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.35rem;
}

.readout-label {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-readout strong {
  color: var(--amber);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
}

.readout-suffix {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.readout-meta {
  margin-top: 0.25rem;
  color: var(--dim);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-map {
  min-height: 100vh;
  width: 100%;
  background: var(--field);
}

/* Subtle frame corners — gives the map a chart/document feel */
.map-frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 410;
}

.frame-corner {
  position: absolute;
  width: 1.4rem;
  height: 1.4rem;
  border: 0 solid var(--amber);
  opacity: 0.55;
}

.frame-corner-tl { top: 0.6rem; left: 0.6rem; border-top-width: 1px; border-left-width: 1px; }
.frame-corner-tr { top: 0.6rem; right: 0.6rem; border-top-width: 1px; border-right-width: 1px; }
.frame-corner-bl { bottom: 0.6rem; left: 0.6rem; border-bottom-width: 1px; border-left-width: 1px; }
.frame-corner-br { bottom: 0.6rem; right: 0.6rem; border-bottom-width: 1px; border-right-width: 1px; }

/* Coordinate HUD bottom-right */
.map-hud {
  position: absolute;
  z-index: 500;
  bottom: 1.1rem;
  left: 1.1rem;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.map-hud-coord {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--panel-glass);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.hud-key {
  color: var(--amber);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.hud-val {
  color: var(--ink);
  min-width: 4.4rem;
  display: inline-block;
}

.hud-sep {
  color: var(--dim);
  margin: 0 0.05rem;
}

/* Quiet film grain — replaces the old harsh scanline */
.scanline {
  position: absolute;
  inset: 0;
  z-index: 415;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      180deg,
      oklch(95% 0.005 145 / 0.018),
      oklch(95% 0.005 145 / 0.018) 1px,
      transparent 1px,
      transparent 4px
    ),
    radial-gradient(circle at 50% 50%, transparent 60%, oklch(0% 0 0 / 0.45) 100%);
  mix-blend-mode: normal;
  opacity: 0.5;
}

.map-fallback {
  position: absolute;
  left: 1.1rem;
  bottom: 4rem;
  z-index: 700;
  max-width: 22rem;
  border: 1px solid var(--red);
  background: oklch(18% 0.03 30 / 0.94);
  color: var(--ink);
  padding: 0.85rem 1rem;
  font-size: 0.86rem;
  line-height: 1.45;
}

/* ─── Control deck ────────────────────────────────────────────── */

.control-deck {
  display: grid;
  align-content: start;
  gap: 0.65rem;
  max-height: 100vh;
  overflow: auto;
  padding: 0.85rem;
  background:
    linear-gradient(180deg, oklch(18% 0.022 150), oklch(12% 0.014 150)),
    var(--field);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.control-deck::-webkit-scrollbar { width: 8px; }
.control-deck::-webkit-scrollbar-thumb { background: var(--line); }
.control-deck::-webkit-scrollbar-track { background: transparent; }

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.filter-panel,
.dossier-panel,
.case-list-panel,
.coin-strip {
  border: 1px solid var(--line);
  background: oklch(15% 0.015 145 / 0.96);
  box-shadow: var(--shadow-sm);
  padding: 0.9rem;
}

.dossier-panel:focus { outline: none; }

label {
  display: grid;
  gap: 0.3rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.filter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.filter-grid .full-row {
  grid-column: 1 / -1;
}

select {
  width: 100%;
  min-height: 2.45rem;
  padding: 0 0.65rem;
  border: 1px solid var(--line);
  background: var(--field-3);
  color: var(--ink);
  font-size: 0.85rem;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 14px) calc(50% - 2px),
                       calc(100% - 9px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 1.6rem;
  transition: border-color 160ms ease, background-color 160ms ease;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

select:hover { border-color: var(--amber); }

button,
.coin-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.45rem;
  padding: 0 0.85rem;
  border: 1px solid var(--line);
  background: var(--field-3);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
  text-transform: none;
  letter-spacing: 0;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease, transform 80ms ease;
}

button:hover,
.coin-actions a:hover {
  border-color: var(--amber);
  background: oklch(24% 0.028 145);
}

button:active,
.coin-actions a:active {
  transform: translateY(1px);
}

button:disabled,
button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.4;
}

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

.icon-button {
  width: 2.45rem;
  padding: 0;
}

.icon-button svg,
.coin-actions svg,
.dossier-nav svg {
  width: 0.95rem;
  height: 0.95rem;
}

/* ─── Timeline sparkline ──────────────────────────────────────── */

.timeline {
  margin-top: 0.95rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-soft);
}

.timeline-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.timeline-eyebrow {
  margin: 0 0 0.3rem;
}

.timeline-range {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

#timeline-svg {
  display: block;
  width: 100%;
  height: 60px;
  overflow: visible;
}

.timeline-axis {
  stroke: var(--line);
  stroke-width: 1;
}

.timeline-decade-tick {
  stroke: var(--line);
  stroke-width: 1;
}

.timeline-decade-label {
  fill: var(--dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.05em;
}

.timeline-case {
  stroke: var(--muted);
  stroke-width: 1.5;
  cursor: pointer;
  transition: stroke 140ms ease, stroke-width 140ms ease;
}

.timeline-case:hover { stroke: var(--ink-strong); }

.timeline-case.dimmed {
  stroke: var(--dim);
  stroke-opacity: 0.35;
  cursor: default;
}

.timeline-case.selected {
  stroke: var(--amber);
  stroke-width: 2;
}

/* ─── Dossier ─────────────────────────────────────────────────── */

.dossier-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.7rem;
}

.dossier-nav {
  display: inline-flex;
  margin-left: auto;
  gap: 0.25rem;
}

.dossier-nav button {
  width: 2rem;
  min-height: 2rem;
  padding: 0;
}

.status-pill {
  border: 1px solid var(--line);
  background: oklch(20% 0.022 145 / 0.6);
  color: var(--muted);
  padding: 0.22rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.status-pill.status-pill-amber {
  border-color: var(--line-bright);
  background: oklch(26% 0.045 78 / 0.5);
  color: var(--amber);
}

.dossier-eyebrow {
  margin: 0 0 0.35rem;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dossier-title {
  margin-bottom: 0.3rem;
  font-size: 1.32rem;
  line-height: 1.18;
}

.dossier-location {
  margin-bottom: 0.7rem;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin: 0.75rem 0;
}

.meta-chip {
  border: 1px solid var(--line-soft);
  background: oklch(19% 0.018 145 / 0.55);
  padding: 0.5rem 0.6rem;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta-chip strong {
  display: block;
  margin-top: 0.2rem;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0;
  text-transform: none;
}

.case-summary,
.archive-note {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.case-summary { margin-bottom: 0; }

.archive-note {
  border-top: 1px solid var(--line-soft);
  margin: 0.85rem 0 0;
  padding-top: 0.75rem;
  font-size: 0.8rem;
}

.archive-note strong {
  color: var(--ink);
  font-weight: 600;
}

/* ─── Case list ───────────────────────────────────────────────── */

.list-hint {
  margin-top: 0.7rem;
  color: var(--dim);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.list-hint kbd {
  display: inline-grid;
  place-items: center;
  min-width: 1.2rem;
  height: 1.2rem;
  padding: 0 0.3rem;
  border: 1px solid var(--line);
  background: var(--field-3);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-radius: var(--radius);
}

.case-list {
  display: grid;
  gap: 0.4rem;
  margin-top: 0.7rem;
}

.list-count {
  min-width: 2rem;
  border: 1px solid var(--line);
  padding: 0.15rem 0.45rem;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.case-item {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.6rem;
  align-items: center;
  min-height: auto;
  padding: 0.6rem 0.75rem;
  text-align: left;
  border: 1px solid var(--line-soft);
  background: oklch(17% 0.014 145 / 0.4);
}

.case-item:hover {
  border-color: var(--amber-soft);
  background: oklch(22% 0.024 145 / 0.7);
}

.case-item-id {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.case-item-body {
  display: grid;
  gap: 0.15rem;
}

.case-item-body strong {
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
}

.case-item-body small {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.3;
}

.case-item-arrow {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 140ms ease, transform 140ms ease, color 140ms ease;
}

.case-item:hover .case-item-arrow {
  opacity: 1;
  color: var(--amber);
  transform: translateX(2px);
}

.case-item[aria-current="true"] {
  border-color: var(--amber);
  background: oklch(24% 0.04 78 / 0.45);
}

.case-item[aria-current="true"] .case-item-id { color: var(--amber); }
.case-item[aria-current="true"] .case-item-arrow { opacity: 1; color: var(--amber); }

.empty-state {
  border: 1px dashed var(--line);
  margin-top: 0.85rem;
  padding: 0.85rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.empty-state p { margin-bottom: 0.65rem; }

/* ─── Coin strip ──────────────────────────────────────────────── */

.coin-strip {
  position: relative;
}

.contract {
  margin-top: 0.7rem;
  margin-bottom: 0.55rem;
  padding: 0.55rem 0.65rem;
  border: 1px dashed var(--line);
  background: oklch(11% 0.015 145 / 0.6);
  overflow-wrap: anywhere;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
  letter-spacing: 0;
}

.coin-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.copy-status {
  min-height: 1.2em;
  margin: 0.55rem 0 0;
  color: var(--green);
  font-size: 0.78rem;
  font-family: var(--font-mono);
}

/* ─── Markers ─────────────────────────────────────────────────── */

.case-marker-root {
  background: transparent;
  border: 0;
}

.case-marker-button {
  display: grid;
  place-items: center;
  width: 2.4rem;
  min-height: 2.4rem;
  height: 2.4rem;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.case-marker-button:hover { border: 0; background: transparent; }

.marker-svg {
  width: 2rem;
  height: 2rem;
  overflow: visible;
  transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.marker-svg .marker-ring {
  fill: oklch(60% 0.07 78 / 0.06);
  stroke: oklch(72% 0.085 78 / 0.55);
  stroke-width: 1;
  transition: stroke 180ms ease, stroke-width 180ms ease, fill 180ms ease;
}

.marker-svg .marker-tick {
  stroke: oklch(72% 0.085 78 / 0.55);
  stroke-width: 1;
  stroke-linecap: round;
  transition: stroke 180ms ease;
}

.marker-svg .marker-dot {
  fill: oklch(78% 0.13 78);
  transition: fill 180ms ease, r 180ms ease;
}

.case-marker-button:hover .marker-svg .marker-ring,
.case-marker-button:hover .marker-svg .marker-tick {
  stroke: var(--amber-strong);
}

.case-marker-button:hover .marker-svg {
  transform: scale(1.1);
}

.marker-svg.selected .marker-ring {
  stroke: var(--amber-strong);
  stroke-width: 1.5;
  fill: oklch(60% 0.07 78 / 0.16);
}

.marker-svg.selected .marker-tick {
  stroke: var(--amber-strong);
  stroke-width: 1.25;
}

.marker-svg.selected .marker-dot {
  fill: var(--amber-strong);
  filter: drop-shadow(0 0 6px oklch(78% 0.13 78 / 0.7));
}

.marker-svg.selected .marker-pulse {
  fill: none;
  stroke: var(--amber);
  stroke-width: 1;
  transform-origin: center;
  animation: marker-pulse 2.4s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@keyframes marker-pulse {
  0% { transform: scale(0.7); opacity: 0.55; }
  100% { transform: scale(1.6); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .marker-svg.selected .marker-pulse { animation: none; opacity: 0; }
  .marker-svg { transition: none; }
}

/* Leaflet customisation */

.leaflet-container {
  background: var(--field);
  font: inherit;
  outline: none;
}

.leaflet-tile-pane { filter: saturate(0.85) brightness(0.96); }

.leaflet-control-zoom {
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  margin: 1.1rem !important;
}

.leaflet-control-zoom a {
  border-color: var(--line);
  background: var(--panel-strong);
  color: var(--ink);
  width: 2rem !important;
  height: 2rem !important;
  line-height: 2rem !important;
  font-weight: 500;
  border-radius: 0;
}

.leaflet-control-zoom a:hover {
  background: oklch(24% 0.028 145);
  color: var(--amber);
}

.leaflet-control-attribution {
  background: oklch(13% 0.015 145 / 0.85) !important;
  color: var(--dim) !important;
  font-size: 0.66rem !important;
  padding: 0.15rem 0.45rem !important;
}

.leaflet-control-attribution a {
  color: var(--muted) !important;
}

.leaflet-graticule {
  stroke: oklch(60% 0.025 145);
  stroke-opacity: 0.18;
  stroke-width: 0.6;
  fill: none;
  pointer-events: none;
}

/* Custom Leaflet tooltip */
.leaflet-tooltip.case-tooltip {
  background: var(--panel-glass);
  color: var(--ink);
  border: 1px solid var(--amber-soft);
  box-shadow: var(--shadow-sm);
  border-radius: 0;
  padding: 0.45rem 0.55rem;
  font-size: 0.78rem;
  line-height: 1.35;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.leaflet-tooltip.case-tooltip::before { display: none; }

.leaflet-tooltip.case-tooltip strong {
  display: block;
  color: var(--ink-strong);
  font-weight: 600;
  font-size: 0.8rem;
  margin-bottom: 0.1rem;
}

.leaflet-tooltip.case-tooltip small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
}

/* ─── Responsive ──────────────────────────────────────────────── */

@media (max-width: 1240px) {
  .atlas-shell {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 24rem);
  }
}

@media (max-width: 960px) {
  .atlas-shell {
    grid-template-columns: 1fr;
  }

  .map-stage,
  .case-map {
    min-height: 64vh;
  }

  .map-stage {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .archive-header {
    position: relative;
    inset: auto;
    padding: 0.85rem;
    background: var(--field);
    flex-direction: column;
    gap: 0.65rem;
  }

  .archive-title { width: 100%; max-width: none; }

  .signal-readout {
    width: 100%;
    text-align: left;
  }

  .readout-line { justify-content: flex-start; }

  .control-deck { max-height: none; }
}

@media (max-width: 640px) {
  h1 { font-size: 1.55rem; }

  .filter-grid,
  .meta-grid,
  .coin-actions {
    grid-template-columns: 1fr;
  }

  .map-hud { left: 0.7rem; bottom: 0.7rem; }
  .map-hud-coord { padding: 0.35rem 0.55rem; font-size: 0.7rem; }
}