:root {
  --bg0: #05070b;
  --bg1: #09111b;
  --bg2: #0f1724;
  --panel: rgba(10, 16, 26, .56);
  --panel2: rgba(11, 18, 30, .38);
  --stroke: rgba(255, 255, 255, .10);
  --text: #ecf2fb;
  --muted: #94a7bd;
  --accent: #7dd3fc;
  --accent2: #f9a8d4;
  --good: #54d18c;
  --warn: #ff9f43;
  --bad: #ff6b6b;
  --shadow: 0 20px 80px rgba(0, 0, 0, .45);
  --cluster1: #ff6b6b;
  --cluster2: #4ea3ff;
  --cluster3: #54d18c;
  --cluster4: #b388ff;
  --cluster5: #ffd166;
  --perceptionGood: #7e1919;
  --perceptionBad: #361E0E;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 35%, rgba(93, 132, 196, .18) 0%, rgba(13, 18, 30, .25) 20%, rgba(5, 7, 11, .95) 64%, var(--bg0) 100%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: -20%;
  background:
    radial-gradient(circle at 15% 20%, rgba(125, 211, 252, .10), transparent 25%),
    radial-gradient(circle at 80% 15%, rgba(249, 168, 212, .10), transparent 22%),
    radial-gradient(circle at 75% 75%, rgba(84, 209, 140, .08), transparent 24%);
  filter: blur(50px);
  animation: drift 18s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes drift {
  from { transform: translate3d(-1.5%, -1%, 0) scale(1); }
  to   { transform: translate3d(1.5%, 1%, 0) scale(1.03); }
}

.wrap { position: relative; width: 100vw; height: 100vh; overflow: hidden; }
svg { width: 100%; height: 100%; display: block; transition: filter 900ms ease; }
.panel { position: absolute; inset: 0; pointer-events: none; }

.hero {
  position: absolute;
  left: clamp(16px, 2.5vw, 34px);
  top: clamp(16px, 2.5vw, 34px);
  width: min(460px, calc(42vw - 24px));
  max-width: calc(100vw - 32px);
  padding: 18px 20px 18px;
  border: 1px solid var(--stroke);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(12, 18, 30, .72), rgba(8, 12, 20, .42));
  backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: var(--shadow);
  z-index: 25;
  overflow: hidden;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(125, 211, 252, .12), transparent 25%, transparent 55%, rgba(249, 168, 212, .08));
  pointer-events: none;
}

.hero-top-row {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .10);
  background: rgba(255, 255, 255, .045);
  color: #d9e7fb;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
  backdrop-filter: blur(12px) saturate(1.2);
  width: 100%;
}

.kicker-left { display: inline-flex; align-items: center; gap: 8px; }
.kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--accent), #fff);
  box-shadow: 0 0 18px rgba(125, 211, 255, .6);
}

.state-nav-group { display: inline-flex; align-items: center; gap: 6px; }

.state-btn {
  pointer-events: auto;
  appearance: none;
  border: 1px solid rgba(255, 255, 255, .10);
  color: var(--text);
  background: rgba(255, 255, 255, .04);
  border-radius: 999px;
  padding: 6px 9px;
  font: inherit;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(12px) saturate(1.2);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.state-btn:hover { transform: translateY(-1px); border-color: rgba(255, 255, 255, .22); }
.state-btn:active { transform: translateY(1px); }

h1 {
  margin: 0;
  font-size: clamp(26px, 3vw, 52px);
  line-height: .98;
  letter-spacing: -.05em;
}

.subcopy {
  margin: 0;
  max-width: 48ch;
  color: #94a7bd;
  font-size: 14px;
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

.cluster-toggle-row,
.perception-row {
  position: relative;
  z-index: 1;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 4px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
}

.cluster-toggle-row.visible,
.perception-row.visible { display: flex; }

.toggle-label {
  font-size: 12px;
  color: #dce7f6;
  letter-spacing: .02em;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  pointer-events: auto;
  flex: none;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: rgba(255,255,255,.16);
  transition: .25s;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 2px;
  top: 2px;
  background-color: white;
  transition: .25s;
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(0,0,0,.25);
}

input:checked + .slider {
  background: rgba(125, 211, 252, .35);
  border-color: rgba(125, 211, 252, .55);
}

input:checked + .slider:before { transform: translateX(20px); }

.cluster-legend,
.perception-legend {
  position: relative;
  z-index: 1;
  display: none;
  margin-top: 2px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,.08);
  gap: 8px;
  flex-direction: column;
}

.hero.cluster-expanded .cluster-legend { display: flex; }
.hero.perception-expanded .perception-legend { display: flex; }

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #cfdbea;
  line-height: 1.3;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex: none;
  border: 1px solid rgba(255,255,255,.25);
}

.story-meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.pill {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  color: #dce7f6;
  font-size: 11px;
}

.year-controls {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 40;
  display: flex;
  gap: 10px;
  align-items: center;
  pointer-events: auto;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(10, 16, 26, .56);
  border: 1px solid rgba(255, 255, 255, .10);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

button {
  pointer-events: auto;
  appearance: none;
  border: none;
  color: var(--text);
  background: linear-gradient(180deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .05));
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  padding: 11px 13px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .18);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}

button:hover { transform: translateY(-1px); border-color: rgba(255, 255, 255, .22); }
button:active { transform: translateY(1px); }

.hud {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  width: min(360px, calc(100vw - 36px));
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(12, 18, 30, .72), rgba(8, 12, 20, .38));
  border: 1px solid rgba(255, 255, 255, .10);
  backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: max-height .45s ease, padding .45s ease, opacity .2s ease;
  max-height: 54px;
  padding: 12px 16px;
}

.hud.expanded { max-height: 420px; padding: 14px 16px 16px; }

.hud-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hud-title {
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #d7e4f5;
}

.legend-toggle {
  pointer-events: auto;
  appearance: none;
  border: none;
  color: var(--text);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .10);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.legend-wrap {
  margin-top: 12px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s ease;
}

.hud.expanded .legend-wrap { max-height: 320px; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 10px;
  font-size: 11px;
  color: #c6d2e0;
}

.legend-meta {
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.legend-meta:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.tooltip {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  background: rgba(6, 10, 16, .96);
  color: #eff5ff;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 18px 48px rgba(0, 0, 0, .35);
  max-width: 280px;
  z-index: 50;
  transition: opacity 0.12s ease;
}

.big-word {
  position: absolute;
  right: clamp(14px, 3vw, 38px);
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(42px, 9vw, 120px);
  letter-spacing: -.08em;
  font-weight: 800;
  color: rgba(255, 255, 255, .06);
  text-transform: uppercase;
  pointer-events: none;
  user-select: none;
  z-index: 8;
}

.fade-mask {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, transparent 0 38%, rgba(5, 7, 11, .18) 70%, rgba(5, 7, 11, .55) 100%);
  pointer-events: none;
  z-index: 5;
}

.selected-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 12;
  text-align: center;
  pointer-events: none;
  width: 240px;
  opacity: 1;
  transition: opacity 700ms ease, transform 700ms ease;
}

.selected-center .year {
  font-size: 30px;
  font-weight: 700;
  color: #e8eef6;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.selected-center .name,
.selected-center .score {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.selected-center.focus .year {
  opacity: 1;
  transform: translateY(0);
}

.selected-center.focus .name,
.selected-center.focus .score {
  opacity: 1;
  transform: translateY(0);
}

.selected-center .name {
  font-size: 14px;
  font-weight: 700;
  color: #a1a1a1;
  margin-top: 8px;
}

.selected-center .score {
  font-size: 12px;
  color: #95a6b8;
  margin-top: 6px;
}

.country-name {
  paint-order: stroke;
  stroke: rgba(0, 0, 0, .35);
  stroke-width: 3px;
}

.cluster-outline {
  fill: none;
  stroke-width: 4.5px;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  opacity: 0;
}

.cluster-outline.visible { opacity: 1; }
.cluster-outline.c1 { stroke: var(--cluster1); }
.cluster-outline.c2 { stroke: var(--cluster2); }
.cluster-outline.c3 { stroke: var(--cluster3); }
.cluster-outline.c4 { stroke: var(--cluster4); }
.cluster-outline.c5 { stroke: var(--cluster5); }

.perception-ext {
  pointer-events: none;
  mix-blend-mode: screen;
}

.perception-ext.good {
  fill: rgba(228, 93, 70, 0.3);
  stroke: rgba(150, 28, 6, 0.85);
  filter: url(#perceptionGlow);
}

.perception-ext.bad {
  fill: rgba(54, 30, 14, 0.30);
  stroke: rgba(54, 30, 14, 0.95);
  filter: url(#perceptionGlowSoft);
}

@media (max-width: 900px) {
  .hero { width: min(420px, calc(50vw - 22px)); }
}

@media (max-width: 700px) {
  .hero {
    width: calc(100vw - 32px);
    max-width: none;
  }
  .hud {
    width: calc(100vw - 36px);
    bottom: 84px;
  }
}