:root {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #f0f2f5;
  background: #0b0c0e;
  font-synthesis: none;
  --surface: rgba(15, 16, 19, 0.84);
  --surface-subtle: rgba(16, 17, 20, 0.76);
  --line: rgba(255, 255, 255, 0.085);
  --mute: #8e939e;
  --accent: #dceef5;
  --cyan: #9ad8eb;
  --amber: #e2a452;
  --mono: 'DM Mono', ui-monospace, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  overflow: hidden;
  background: #0b0c0e;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
.slide:focus-visible {
  outline: 1.5px solid rgba(255, 255, 255, 0.45);
  outline-offset: 2px;
}

#app {
  position: fixed;
  inset: 0;
  isolation: isolate;
  user-select: none;
  overflow: hidden;
}

#world {
  position: absolute;
  inset: 0;
  z-index: -3;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

canvas:active {
  cursor: grabbing;
}

canvas.hover-interactive {
  cursor: pointer;
}

canvas.hover-drag-ns {
  cursor: ns-resize;
}

canvas.hover-drag-ew {
  cursor: ew-resize;
}

.vignette {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(8, 9, 11, 0.52), transparent 24%),
    radial-gradient(ellipse at 55% 50%, transparent 58%, rgba(5, 6, 8, 0.62) 100%);
}

#loading {
  position: absolute;
  top: 47%;
  width: 100%;
  text-align: center;
  color: var(--mute);
  font-size: 13px;
  letter-spacing: 0.05em;
}

/* 3D Floating Pill Labels */
#labels-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}

.pill-3d {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px 3px 6px;
  border-radius: 6px;
  background: rgba(15, 16, 19, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
  font-size: 9.8px;
  line-height: 1;
  color: #e8eaef;
  white-space: nowrap;
  pointer-events: auto;
  cursor: pointer;
  transition: opacity 0.2s ease, border-color 0.15s ease, background 0.15s ease;
  will-change: transform, opacity;
}

.pill-3d:hover {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(24, 26, 31, 0.94);
}

.pill-3d .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #d0e4ee;
  flex-shrink: 0;
}

.pill-3d.amber .dot {
  background: var(--amber);
}

.pill-3d b {
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.01em;
}

.pill-3d em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 9px;
  color: #8f95a2;
  margin-left: 2px;
}

/* Left Side Panel */
.side {
  position: absolute;
  left: 18px;
  top: 16px;
  width: 252px;
  pointer-events: none;
  z-index: 4;
}

.side > * {
  pointer-events: auto;
}

.brand {
  display: block;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.65);
}

.brand h1 {
  margin: 0;
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: -0.4px;
  text-transform: uppercase;
}

.brand h1 span {
  display: block;
  font-size: 12.5px;
  letter-spacing: 1.2px;
  font-weight: 600;
  color: #a8aeb9;
}

.brand h1 b {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: #f4f6f9;
}

.brand small {
  display: block;
  margin-top: 6px;
  font-size: 10.2px;
  line-height: 1.44;
  color: #adb2be;
  font-weight: 400;
  max-width: 26em;
}

.stats {
  display: flex;
  gap: 5px;
  margin-top: 9px;
  flex-wrap: wrap;
}

.stat {
  padding: 5px 8px 4px;
  border-radius: 7px;
  background: var(--surface-subtle);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  min-width: 62px;
}

.stat i {
  display: block;
  font: 500 7.8px/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #7f8591;
  font-style: normal;
}

.stat b {
  display: block;
  margin-top: 3px;
  font: 500 13px/1 var(--mono);
  color: #f4f6f9;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.stat.hot b {
  color: var(--accent);
}

.why {
  margin: 8px 0 0;
  padding: 7px 10px;
  border-radius: 8px;
  background: var(--surface-subtle);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 10px;
  line-height: 1.45;
  color: #b4b9c4;
  max-width: 238px;
  text-shadow: none;
}

.why b {
  color: #f4f6f9;
  font-weight: 600;
}

.why .c {
  color: #dceef5;
  font-weight: 500;
}

.why .a {
  color: var(--amber);
  font-weight: 500;
}

/* Right Top Control Card */
.card {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.55);
}

.ctl {
  position: absolute;
  right: 18px;
  top: 16px;
  z-index: 4;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.ctl .r1,
.ctl .r2 {
  display: flex;
  gap: 9px;
  align-items: flex-end;
}

.grp {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.slide-g {
  flex: 1;
  min-width: 146px;
}

.lab {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 9px;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 600;
  margin: 0 2px;
}

.lab em {
  font: 400 9px var(--mono);
  letter-spacing: 0;
  text-transform: none;
  color: #767c89;
  font-style: normal;
}

.seg {
  display: flex;
  gap: 2px;
  padding: 2px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.seg button {
  border: 0;
  background: transparent;
  border-radius: 5px;
  height: 25px;
  padding: 0 9px;
  font-size: 11.5px;
  font-weight: 500;
  color: #b8bec9;
  white-space: nowrap;
  transition: background 0.14s, color 0.14s;
}

.seg button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #e8ebf0;
}

.seg button.on {
  background: #eceef2;
  color: #111215;
  font-weight: 600;
}

#seg-ap button {
  font-family: var(--mono);
  font-size: 11px;
}

.tools {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.tools button {
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 7px;
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  color: #c9ced8;
  transition: background 0.14s, color 0.14s, border-color 0.14s;
}

.tools button:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.tools button.on {
  background: #eceef2;
  color: #111215;
  border-color: #eceef2;
}

.tools button svg {
  width: 13.5px;
  height: 13.5px;
  fill: currentColor;
}

/* Distance Slider — Minimal monochrome hardware track (no neon blue gradients) */
.slide {
  position: relative;
  height: 29px;
  margin: 0 6px;
  cursor: pointer;
  touch-action: none;
}

.slide .tr {
  position: absolute;
  left: 0;
  right: 0;
  top: 14px;
  height: 2px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.slide .fl {
  position: absolute;
  left: 0;
  top: 14px;
  height: 2px;
  border-radius: 1px;
  background: #e4e7ed;
}

.slide .dz {
  position: absolute;
  top: 11px;
  height: 8px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.24);
  pointer-events: none;
}

.slide .tk {
  position: absolute;
  top: 19px;
  width: 1px;
  height: 4px;
  background: rgba(255, 255, 255, 0.28);
  pointer-events: none;
}

.slide .kn {
  position: absolute;
  top: 8px;
  width: 14px;
  height: 14px;
  margin-left: -7px;
  border-radius: 50%;
  background: #f4f5f8;
  border: 1.5px solid #121316;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.65);
  pointer-events: none;
}

/* Bottom Right Buttons */
.br {
  position: absolute;
  right: 18px;
  bottom: 16px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  pointer-events: none;
}

.brb {
  display: flex;
  gap: 6px;
  pointer-events: auto;
}

.icb {
  pointer-events: auto;
  width: 29px;
  height: 29px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: 0;
  transition: background 0.14s, border-color 0.14s;
}

.icb svg {
  width: 12.5px;
  height: 12.5px;
  fill: #d5d9e2;
}

.icb:hover {
  background: rgba(28, 30, 36, 0.94);
  border-color: rgba(255, 255, 255, 0.2);
}

.follow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  color: #c2c7d2;
  text-decoration: none;
  padding: 0 10px;
  height: 29px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.follow:hover {
  color: #fff;
}

.follow svg {
  width: 10px;
  height: 10px;
  fill: currentColor;
}

/* Tooltip & Hints */
#ui-hint {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translate(-50%);
  z-index: 6;
  font-size: 11px;
  color: #e4e7ee;
  background: rgba(15, 16, 19, 0.88);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 12px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

#ui-hint.on {
  opacity: 1;
}

#app.ui-off > :not(#world):not(.vignette):not(#ui-hint) {
  opacity: 0 !important;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s, visibility 0s 0.25s;
}

#tip {
  position: absolute;
  z-index: 7;
  pointer-events: none;
  font: 500 10.5px var(--mono);
  color: #f0f2f6;
  background: rgba(14, 15, 18, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  padding: 4px 8px;
  white-space: nowrap;
  opacity: 0;
  transform: translate(-50%, -145%);
  transition: opacity 0.15s;
}

#tip.on {
  opacity: 1;
}

/* Info Modal */
dialog {
  color: #eceef2;
  background: #121316;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 26px;
  max-width: 560px;
  max-height: 84vh;
  overflow-y: auto;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.72);
}

dialog::backdrop {
  background: rgba(5, 6, 8, 0.7);
  backdrop-filter: blur(4px);
}

dialog h2 {
  font-size: 23px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.4px;
}

dialog h3 {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #8f98b3;
  margin: 20px 0 6px;
  font-weight: 600;
}

dialog p {
  font-size: 13.5px;
  color: #c0c7dc;
  line-height: 1.65;
  margin: 0 0 10px;
}

dialog b {
  color: #fff;
  font-weight: 600;
}

dialog code {
  font-family: var(--mono);
  font-size: 12px;
  background: #ffffff12;
  padding: 1px 5px;
  border-radius: 5px;
}

#close {
  float: right;
  background: none;
  border: 0;
  font-size: 24px;
  line-height: 1;
  color: #8f98b3;
}

@media (max-width: 900px) {
  .side {
    left: 12px;
    top: 12px;
    right: 12px;
    width: auto;
  }
  .brand h1 span {
    font-size: 12px;
    display: inline;
  }
  .brand h1 b {
    font-size: 22px;
    display: inline;
  }
  .brand small,
  .why {
    display: none;
  }
  .ctl {
    inset: auto 10px 10px;
    padding: 8px;
  }
  .br {
    display: none;
  }
}