:root {
  --bg-hobby-room: #14191f;
  --walnut-dark: #1d150f;
  --walnut-mid: #2f2117;
  --walnut-border: #4d3726;
  --brass-bright: #f4d998;
  --brass-mid: #cfa34d;
  --brass-deep: #856121;
  --cream-text: #f9f0db;
  --muted-gold: #c7b085;
  --emerald-signal: #28c76f;
  --amber-signal: #f0932b;
  --crimson-signal: #e84c3d;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Georgia", "Times New Roman", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body,
#root {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-hobby-room);
  color: var(--cream-text);
  font-family: var(--font-sans);
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

.tabletop-simulator-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: radial-gradient(circle at 50% 42%, #242e3a 0%, #10151b 100%);
}

.tabletop-webgl-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}

.tabletop-webgl-canvas:active {
  cursor: grabbing;
}

/* Optical Miniature Tilt-Shift Lens Effect */
.tilt-shift-lens-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  backdrop-filter: blur(5px) saturate(1.18);
  -webkit-backdrop-filter: blur(5px) saturate(1.18);
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.92) 0%,
    rgba(0, 0, 0, 0.28) 22%,
    rgba(0, 0, 0, 0) 36%,
    rgba(0, 0, 0, 0) 64%,
    rgba(0, 0, 0, 0.32) 78%,
    rgba(0, 0, 0, 0.92) 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.92) 0%,
    rgba(0, 0, 0, 0.28) 22%,
    rgba(0, 0, 0, 0) 36%,
    rgba(0, 0, 0, 0) 64%,
    rgba(0, 0, 0, 0.32) 78%,
    rgba(0, 0, 0, 0.92) 100%
  );
}

/* ==========================================================================
   TOP FLOATING BRASS TELEMETRY & LANDMARK BAR
   ========================================================================== */
.top-brass-bar {
  position: absolute;
  top: 10px;
  left: 12px;
  right: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 8px;
  padding: 6px 12px;
  background: linear-gradient(180deg, rgba(35, 25, 18, 0.9) 0%, rgba(20, 15, 11, 0.93) 100%);
  border: 1.5px solid var(--brass-mid);
  border-radius: 10px;
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(244, 217, 152, 0.35);
  backdrop-filter: blur(12px);
  overflow-x: auto;
  scrollbar-width: none;
}

.top-brass-bar::-webkit-scrollbar {
  display: none;
}

.brand-plaque {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.brand-emblem {
  padding: 4px 7px;
  background: linear-gradient(135deg, var(--brass-bright) 0%, var(--brass-mid) 55%, var(--brass-deep) 100%);
  color: #1c1309;
  font-weight: 900;
  font-size: 10px;
  letter-spacing: 0.7px;
  border-radius: 5px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 2px 6px rgba(0, 0, 0, 0.4);
}

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--brass-bright);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
  white-space: nowrap;
}

.brand-text p {
  font-size: 9.5px;
  font-weight: 600;
  color: var(--muted-gold);
  letter-spacing: 0.3px;
  margin-top: 1px;
  white-space: nowrap;
}

@media (max-width: 1320px) {
  .brand-text p {
    display: none;
  }
}

.landmark-quickbar {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: nowrap;
  flex-shrink: 0;
}

.quickbar-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.9px;
  color: var(--brass-mid);
  margin-right: 4px;
}

.landmark-pill {
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--cream-text);
  background: rgba(255, 245, 220, 0.06);
  border: 1px solid rgba(207, 163, 77, 0.35);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.landmark-pill:hover {
  background: rgba(244, 217, 152, 0.18);
  border-color: var(--brass-bright);
  transform: translateY(-1px);
}

.landmark-pill.active {
  background: linear-gradient(180deg, var(--brass-bright) 0%, var(--brass-mid) 100%);
  color: #1b1208;
  border-color: #fff3c4;
  box-shadow: 0 0 12px rgba(244, 217, 152, 0.45);
}

.env-controls-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
}

.pill-group {
  display: flex;
  background: rgba(10, 8, 6, 0.65);
  border: 1px solid rgba(207, 163, 77, 0.35);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.env-btn {
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted-gold);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(207, 163, 77, 0.28);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pill-group .env-btn {
  border: none;
  background: transparent;
}

.env-btn:hover {
  color: var(--cream-text);
  background: rgba(244, 217, 152, 0.14);
}

.env-btn.active {
  background: linear-gradient(180deg, #e7bf6a 0%, #b68632 100%);
  color: #181006;
  border-color: var(--brass-bright);
}

.brass-select {
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 700;
  color: var(--cream-text);
  background: #1a130d;
  border: 1px solid rgba(207, 163, 77, 0.45);
  border-radius: 6px;
  cursor: pointer;
}

.hud-toggle-btn {
  border-color: var(--brass-mid);
  color: var(--brass-bright);
}

/* ==========================================================================
   TELEMETRY RIBBON BELOW TOP BAR
   ========================================================================== */
.telemetry-ribbon {
  position: absolute;
  top: 54px;
  left: 12px;
  right: 12px;
  z-index: 18;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3px 12px;
  background: rgba(16, 13, 10, 0.72);
  border: 1px solid rgba(207, 163, 77, 0.25);
  border-radius: 7px;
  font-size: 10px;
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.telemetry-toast {
  color: var(--brass-bright);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.telemetry-stats {
  display: flex;
  gap: 16px;
  color: var(--muted-gold);
  font-size: 10.5px;
  letter-spacing: 0.6px;
}

.telemetry-stats strong {
  color: #ffffff;
  font-weight: 800;
}

/* ==========================================================================
   BOTTOM VINTAGE BRASS & WALNUT TRANSFORMER CONSOLE
   ========================================================================== */
.brass-transformer-deck {
  position: absolute;
  bottom: 12px;
  left: 16px;
  right: 16px;
  z-index: 20;
  display: grid;
  grid-template-columns: 1.22fr 0.92fr 1.26fr;
  gap: 12px;
  padding: 10px 12px;
  background: linear-gradient(180deg, rgba(42, 29, 20, 0.95) 0%, rgba(22, 15, 10, 0.98) 100%);
  border: 2px solid var(--brass-mid);
  border-radius: 16px;
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.8),
    inset 0 1px 0 rgba(244, 217, 152, 0.45),
    inset 0 0 24px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(14px);
}

.transformer-panel {
  background: linear-gradient(180deg, rgba(24, 18, 13, 0.9) 0%, rgba(14, 11, 8, 0.94) 100%);
  border: 1px solid rgba(207, 163, 77, 0.38);
  border-radius: 11px;
  padding: 9px 11px;
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.65);
}

/* LEFT WING: Gauges + Master Throttle */
.throttle-wing {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gauges-column {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.brass-gauge {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.brass-gauge-svg {
  width: 62px;
  height: 62px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.6));
}

.master-controls-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.panel-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-heading {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.1px;
  color: var(--brass-bright);
}

.throttle-readout {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--emerald-signal);
  background: rgba(40, 199, 111, 0.12);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid rgba(40, 199, 111, 0.35);
}

.throttle-slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider-end {
  font-size: 9px;
  font-weight: 800;
  color: var(--muted-gold);
  letter-spacing: 0.6px;
}

.brass-range-slider {
  flex: 1;
  appearance: none;
  -webkit-appearance: none;
  height: 8px;
  background: linear-gradient(90deg, #3c2d1e 0%, #8f6b29 50%, #e5533d 100%);
  border-radius: 999px;
  border: 1px solid rgba(244, 217, 152, 0.4);
  cursor: pointer;
}

.brass-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff4cf 0%, #d4a449 60%, #6e4e16 100%);
  border: 2px solid #231709;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.65);
  cursor: grab;
}

.drive-buttons-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
}

.brass-drive-btn {
  padding: 7px 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  border-radius: 7px;
  border: 1px solid rgba(207, 163, 77, 0.45);
  background: linear-gradient(180deg, #2d2218 0%, #19130d 100%);
  color: var(--cream-text);
  cursor: pointer;
  transition: all 0.14s ease;
}

.brass-drive-btn:hover {
  border-color: var(--brass-bright);
  background: linear-gradient(180deg, #3b2d20 0%, #241b13 100%);
}

.brass-drive-btn.forward.engaged {
  background: linear-gradient(180deg, #2fb868 0%, #1b7d43 100%);
  border-color: #8df0b4;
  color: #ffffff;
  box-shadow: 0 0 12px rgba(47, 184, 104, 0.45);
}

.brass-drive-btn.reverse.engaged {
  background: linear-gradient(180deg, #d9822b 0%, #995514 100%);
  border-color: #ffd099;
  color: #ffffff;
  box-shadow: 0 0 12px rgba(217, 130, 43, 0.45);
}

.brass-drive-btn.stop.engaged {
  background: linear-gradient(180deg, #d64535 0%, #8f261b 100%);
  border-color: #ff9e94;
  color: #ffffff;
  box-shadow: 0 0 12px rgba(214, 69, 53, 0.45);
}

.action-switches-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.brass-action-btn {
  padding: 5px 6px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.4px;
  border-radius: 6px;
  border: 1px solid rgba(207, 163, 77, 0.35);
  background: rgba(255, 245, 220, 0.05);
  color: var(--muted-gold);
  cursor: pointer;
  transition: all 0.14s ease;
}

.brass-action-btn:hover {
  color: var(--cream-text);
  border-color: var(--brass-bright);
  background: rgba(244, 217, 152, 0.14);
}

.brass-action-btn.whistle {
  background: linear-gradient(180deg, rgba(212, 164, 73, 0.25) 0%, rgba(133, 97, 33, 0.35) 100%);
  color: var(--brass-bright);
  border-color: var(--brass-mid);
}

.brass-action-btn.active {
  background: linear-gradient(180deg, var(--brass-bright) 0%, var(--brass-mid) 100%);
  color: #1a1208;
  border-color: #ffffff;
}

/* ==========================================================================
   CENTER WING: 2D TABLETOP DISPATCH SCHEMATIC & SWITCH LEVERS
   ========================================================================== */
.dispatch-wing {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.dispatch-map-wrap {
  display: flex;
  flex-direction: column;
  gap: 5px;
  height: 100%;
}

.dispatch-map-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dispatch-map-title {
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.9px;
  color: var(--brass-bright);
}

.loop-badge {
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.4px;
}

.loop-badge.outer {
  background: rgba(234, 185, 87, 0.18);
  color: #f6cf7a;
  border: 1px solid rgba(234, 185, 87, 0.45);
}

.loop-badge.inner {
  background: rgba(82, 217, 139, 0.18);
  color: #6df0a3;
  border: 1px solid rgba(82, 217, 139, 0.45);
}

.dispatch-svg {
  width: 100%;
  height: 76px;
  display: block;
  border-radius: 7px;
  background: #0d1218;
}

.switch-levers-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.switch-lever-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px 7px;
  font-size: 9.5px;
  font-weight: 700;
  color: var(--cream-text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(207, 163, 77, 0.4);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.switch-lever-btn:hover {
  border-color: var(--brass-bright);
  background: rgba(244, 217, 152, 0.14);
}

.switch-lever-btn .sw-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald-signal);
  box-shadow: 0 0 6px var(--emerald-signal);
}

.switch-lever-btn.diverging {
  border-color: var(--amber-signal);
  background: rgba(240, 147, 43, 0.14);
}

.switch-lever-btn.diverging .sw-dot {
  background: var(--amber-signal);
  box-shadow: 0 0 6px var(--amber-signal);
}

/* ==========================================================================
   RIGHT WING: CAMERAS, ROUNDHOUSE ROSTER, CARGO CRANE & PASSPORT
   ========================================================================== */
.operations-wing {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.ops-collapsed-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  background: rgba(255, 245, 220, 0.03);
  border: 1px dashed rgba(207, 163, 77, 0.25);
  border-radius: 6px;
  font-size: 10px;
  color: var(--muted-gold);
}

.ops-collapsed-summary strong {
  color: var(--brass-bright);
}

.ops-tabs-header {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  background: rgba(8, 6, 4, 0.65);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid rgba(207, 163, 77, 0.3);
}

.ops-tab-btn {
  padding: 5px 6px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.4px;
  color: var(--muted-gold);
  background: transparent;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.14s ease;
}

.ops-tab-btn:hover {
  color: var(--cream-text);
}

.ops-tab-btn.active {
  background: linear-gradient(180deg, var(--brass-bright) 0%, var(--brass-mid) 100%);
  color: #191107;
}

/* 8 Camera Modes Grid */
.camera-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  flex: 1;
}

.camera-mode-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 5px 8px;
  background: rgba(255, 245, 220, 0.04);
  border: 1px solid rgba(207, 163, 77, 0.3);
  border-radius: 7px;
  color: var(--cream-text);
  cursor: pointer;
  text-align: left;
  transition: all 0.14s ease;
}

.camera-mode-btn strong {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--brass-bright);
}

.camera-mode-btn span {
  font-size: 9px;
  color: var(--muted-gold);
  margin-top: 1px;
}

.camera-mode-btn:hover {
  border-color: var(--brass-bright);
  background: rgba(244, 217, 152, 0.12);
}

.camera-mode-btn.active {
  background: linear-gradient(135deg, rgba(244, 217, 152, 0.25) 0%, rgba(184, 137, 56, 0.35) 100%);
  border-color: var(--brass-bright);
  box-shadow: inset 0 0 10px rgba(244, 217, 152, 0.25);
}

/* 5-Locomotive Roundhouse Selector */
.locomotive-roster-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  flex: 1;
}

.loco-card-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 7px;
  background: rgba(255, 245, 220, 0.04);
  border: 1px solid rgba(207, 163, 77, 0.3);
  border-radius: 7px;
  color: var(--cream-text);
  cursor: pointer;
  text-align: left;
}

.loco-card-btn.active {
  border-color: var(--brass-bright);
  background: rgba(244, 217, 152, 0.18);
}

.loco-swatch {
  width: 12px;
  height: 24px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
}

.loco-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.loco-meta strong {
  font-size: 10px;
  color: var(--brass-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.loco-meta span {
  font-size: 8.5px;
  color: var(--muted-gold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Cargo Crane Loader */
.cargo-loader-bay {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.wagon-selector-row {
  display: flex;
  gap: 5px;
}

.wagon-pill {
  flex: 1;
  padding: 4px 7px;
  font-size: 9.5px;
  font-weight: 700;
  color: var(--muted-gold);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(207, 163, 77, 0.3);
  border-radius: 5px;
  cursor: pointer;
}

.wagon-pill.active {
  color: #181006;
  background: var(--brass-bright);
  border-color: #ffffff;
}

.wagon-pill.clear-btn {
  flex: 0 0 auto;
  color: #ff9c8f;
  border-color: rgba(232, 76, 61, 0.4);
}

.cargo-items-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  flex: 1;
}

.cargo-item-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 5px 4px;
  background: rgba(255, 245, 220, 0.05);
  border: 1px solid rgba(207, 163, 77, 0.32);
  border-radius: 6px;
  color: var(--cream-text);
  cursor: pointer;
  text-align: center;
}

.cargo-item-btn:hover {
  border-color: var(--brass-bright);
  background: rgba(244, 217, 152, 0.15);
}

.cargo-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.cargo-item-btn strong {
  font-size: 9px;
  line-height: 1.15;
}

/* Passport Badges Grid */
.passport-badges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  max-height: 88px;
  overflow-y: auto;
}

.passport-badge-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 7px;
  border-radius: 6px;
  border: 1px solid rgba(207, 163, 77, 0.25);
  background: rgba(255, 255, 255, 0.03);
}

.passport-badge-chip.unlocked {
  border-color: var(--brass-mid);
  background: rgba(244, 217, 152, 0.12);
}

.passport-badge-chip.locked {
  opacity: 0.48;
}

.stamp-icon {
  font-size: 12px;
  color: var(--brass-bright);
}

.passport-badge-chip strong {
  display: block;
  font-size: 9.5px;
  color: var(--cream-text);
}

.passport-badge-chip span {
  display: block;
  font-size: 8px;
  color: var(--muted-gold);
}

@media (max-width: 1180px) {
  .brass-transformer-deck {
    grid-template-columns: 1fr 1fr;
  }
  .dispatch-wing {
    display: none;
  }
}

@media (max-width: 780px) {
  .top-brass-bar {
    flex-wrap: wrap;
    padding: 6px 10px;
  }
  .landmark-quickbar {
    display: none;
  }
  .brass-transformer-deck {
    grid-template-columns: 1fr;
  }
}