*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; background: #030507; color: #d0d8ee; font-family: 'Archivo', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
:root {
  --data-font: 'DIN Condensed', 'DIN Alternate', 'Bahnschrift', 'Aptos Narrow', 'Roboto Condensed', 'Arial Narrow', sans-serif;
}

/* ═══ TOP NAV BAR ═══════════════════════════════════════════════════════════ */
#topbar {
  position: fixed; top: 0; left: 0; right: 0; height: 48px; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
  background: rgba(3,5,7,.88);
  border-bottom: 1px solid rgba(180,200,255,.07);
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand .mark { font-family: 'Fraunces', serif; font-weight: 600; font-size: 22px; line-height: 1; color: #d0d8ee; }
.brand .dotmark { color: #c84038; }
.brand .tag { font-family: 'Space Mono', monospace; font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: #4a5468; }
.nav-links { display: flex; gap: 20px; font-family: 'Space Mono', monospace; font-size: 9px; letter-spacing: .14em; text-transform: uppercase; }
.nav-links a { color: #4a5468; text-decoration: none; transition: color .15s; border-bottom: 1px solid transparent; padding-bottom: 2px; }
.nav-links a:hover { color: #8090b0; }
.nav-links a.active { color: #c84038; border-bottom-color: #c84038; }
.nav-right { display: flex; align-items: center; gap: 14px; }
.mode-toggle { display: flex; gap: 1px; }
.mode-btn { font-family: 'Space Mono', monospace; font-size: 8px; letter-spacing: .1em; text-transform: uppercase; padding: 4px 10px; background: rgba(180,200,255,.05); border: 1px solid rgba(180,200,255,.08); color: #4a5468; cursor: pointer; transition: all .15s; }
.mode-btn:first-child { border-radius: 2px 0 0 2px; }
.mode-btn:last-child { border-radius: 0 2px 2px 0; }
.mode-btn.active { background: rgba(200,64,56,.15); border-color: rgba(200,64,56,.4); color: #c84038; }

/* ═══ STAGE ═════════════════════════════════════════════════════════════════ */
#stage {
  position: fixed; top: 48px; left: 0; right: 0; bottom: 0;
  background:
    linear-gradient(rgba(180,200,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180,200,255,.012) 1px, transparent 1px),
    radial-gradient(ellipse 54% 60% at 50% 50%, rgba(200,64,56,.045) 0%, transparent 68%),
    radial-gradient(ellipse 48% 48% at 58% 48%, rgba(46,138,110,.035) 0%, transparent 72%),
    #030507;
  background-size: 72px 72px, 72px 72px, auto, auto, auto;
}

/* ═══ CHART AREA ════════════════════════════════════════════════════════════ */
#chart-area { position: absolute; inset: 0; }
#chart { position: absolute; inset: 0; }

/* ═══ CENTER OVERLAY ════════════════════════════════════════════════════════ */
#center-overlay {
  position: absolute; left: 0; top: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  width: min(19vw, 172px); aspect-ratio: 1;
  display: none;
}
#center-overlay svg {
  width: 100%; height: 100%; overflow: visible;
}

/* ═══ PAGE TITLE (floating top-left of chart) ════════════════════════════ */
#page-title {
  position: absolute; top: 16px; left: 22px;
  pointer-events: none;
}
#page-title h1 {
  font-family: 'Fraunces', serif; font-weight: 400;
  font-size: clamp(18px, 2.2vw, 34px); line-height: 1.03;
  letter-spacing: -.016em; color: rgba(208,216,238,.6);
}
#page-title h1 em { font-style: italic; font-weight: 300; color: rgba(208,216,238,.35); }
#page-title .sub {
  font-family: 'Space Mono', monospace; font-size: 7.5px;
  letter-spacing: .2em; text-transform: uppercase;
  color: rgba(74,84,104,.65); margin-top: 7px;
  display: flex; align-items: center; gap: 8px;
}
#page-title .sub::before {
  content: ''; display: inline-block; width: 18px; height: 1px;
  background: rgba(200,64,56,.4);
}

/* ═══ LEGEND (floating bottom-left) ════════════════════════════════════════ */
#legend-bar {
  position: absolute; bottom: 18px; left: 22px;
  display: flex; gap: 20px; align-items: center;
  pointer-events: none;
}
.leg-item {
  display: flex; align-items: center; gap: 8px;
  font-family: 'Space Mono', monospace; font-size: 8px;
  letter-spacing: .16em; text-transform: uppercase;
  color: rgba(90,100,120,.8);
}
.leg-swatch {
  width: 9px; height: 9px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 0 14px currentColor;
  flex: 0 0 auto;
}
.leg-hint {
  font-family: 'Space Mono', monospace; font-size: 7px;
  color: rgba(74,84,104,.4); letter-spacing: .06em;
  border-left: 1px solid rgba(180,200,255,.07); padding-left: 16px;
  margin-left: 6px;
}

/* ═══ INFO PANEL (sliding overlay from right) ════════════════════════════ */
#info-panel {
  position: fixed; top: 48px; right: 0; bottom: 0;
  width: 340px;
  background: rgba(4,6,10,.30);
  border-left: 1px solid rgba(180,200,255,.10);
  backdrop-filter: blur(22px) saturate(1.4);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
  transform: translateX(100%);
  /* Opening easing — CSS reads transition from the STARTING state,
     so this curve fires when transitioning FROM base TO .open */
  transition: transform .38s cubic-bezier(.22,.68,0,1.2);
  z-index: 50;
  display: flex; flex-direction: column;
  overflow: hidden;
}
#info-panel.open {
  transform: translateX(0);
  /* Closing easing — fires when transitioning FROM .open back to base */
  transition: transform .44s cubic-bezier(.4,0,.2,1);
}

/* Pull tab */
#info-panel::before {
  content: ''; display: block; position: absolute;
  left: -24px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 72px;
  background: rgba(4,6,10,.7);
  border: 1px solid rgba(180,200,255,.08);
  border-right: none;
  border-radius: 4px 0 0 4px;
}
#info-close {
  position: absolute; top: 12px; right: 14px; z-index: 2;
  width: 24px; height: 24px; border: 1px solid rgba(180,200,255,.12);
  border-radius: 50%; background: rgba(200,64,56,.12);
  color: #c84038; font-size: 14px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}
#info-close:hover { background: rgba(200,64,56,.25); }

#info-inner { padding: 22px 20px 20px; display: flex; flex-direction: column; gap: 0; overflow-y: auto; height: 100%; }

/* Empty state */
#info-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  flex: 1; gap: 12px; opacity: .4;
}
#info-empty p { font-family: 'Space Mono', monospace; font-size: 8px; letter-spacing: .16em; text-transform: uppercase; color: #4a5468; text-align: center; }
.empty-rings { width: 56px; height: 56px; position: relative; display: flex; align-items: center; justify-content: center; }
.empty-rings span { position: absolute; border-radius: 50%; border: 1px solid rgba(180,200,255,.3); }

/* Filled state */
#info-filled { display: none; flex-direction: column; gap: 0; height: 100%; }
#info-img-wrap {
  display: none; margin: 0 0 14px; border-radius: 2px; overflow: hidden;
  position: relative;
}
#info-img {
  width: 100%; height: 160px; object-fit: cover; display: block;
  opacity: 0; transition: opacity .5s ease;
}
#info-img.loaded { opacity: 1; }
#info-img-credit {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 4px 8px;
  font-family: 'Space Mono', monospace; font-size: 7px;
  letter-spacing: .08em; color: rgba(180,200,255,.5);
  background: linear-gradient(transparent, rgba(3,5,7,.75));
  text-align: right;
}
#info-class-badge {
  font-family: 'Space Mono', monospace; font-size: 7.5px; letter-spacing: .22em;
  text-transform: uppercase; padding: 3px 10px; border-radius: 999px; border: 1px solid;
  display: inline-flex; align-items: center; gap: 6px;
  width: fit-content; margin-bottom: 14px;
}
#info-class-dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }
#info-name {
  font-family: 'Fraunces', serif; font-weight: 300;
  font-size: 30px; line-height: 1.0; letter-spacing: -.02em;
  margin-bottom: 16px; color: #d0d8ee;
}
#info-deaths-row {
  padding: 13px 0; border-top: 1px solid rgba(180,200,255,.07);
  border-bottom: 1px solid rgba(180,200,255,.07); margin-bottom: 13px;
}
#info-deaths-label {
  font-family: 'Space Mono', monospace; font-size: 7.5px;
  letter-spacing: .2em; text-transform: uppercase; color: #3a4458; margin-bottom: 5px;
}
#info-deaths-val {
  font-family: 'Archivo', sans-serif; font-weight: 100;
  font-size: 34px; letter-spacing: -.025em; line-height: 1; color: #d0d8ee;
}
#info-period {
  font-family: 'Space Mono', monospace; font-size: 8.5px;
  letter-spacing: .1em; color: #3a4458; margin-bottom: 13px;
}
#info-note { font-size: 12.5px; color: rgba(150,162,188,.8); line-height: 1.7; flex: 1; }
#info-stats { margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(180,200,255,.07); }
.istat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-bottom: 7px; }
.istat { padding: 9px 11px; border: 1px solid rgba(180,200,255,.06); border-radius: 2px; background: rgba(255,255,255,.015); }
.istat .v { font-family: 'Archivo', sans-serif; font-weight: 300; font-size: 13px; line-height: 1.25; color: rgba(208,216,238,.9); }
.istat .k { font-family: 'Space Mono', monospace; font-size: 6.5px; letter-spacing: .14em; text-transform: uppercase; color: #3a4458; margin-top: 4px; }

/* ═══ HOVER HINT ════════════════════════════════════════════════════════════ */
#hover-hint {
  position: absolute; right: 22px; bottom: 18px;
  font-family: var(--data-font); font-size: 8px;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(132,146,176,.58);
  transition: opacity .3s;
  pointer-events: none;
}

/* ═══ RESPONSIVE ════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  #info-panel { width: 100%; }
  .nav-links { display: none; }
  #hover-hint { display: none; }
  #center-overlay { width: min(28vw, 130px); }
  #center-overlay::after {
    box-shadow:
      0 -44px 0 rgba(200,64,56,.78),
      38px -22px 0 rgba(184,120,24,.72),
      38px 22px 0 rgba(30,120,96,.76),
      0 44px 0 rgba(80,72,152,.72),
      -38px 22px 0 rgba(180,200,255,.34),
      -38px -22px 0 rgba(180,200,255,.34);
  }
}

.menu-toggle {
  display: none;
  position: relative;
  z-index: 1301;
  width: 36px;
  height: 32px;
  border: 1px solid rgba(180,200,255,.12);
  border-radius: 2px;
  background: rgba(180,200,255,.035);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.menu-toggle span {
  width: 17px;
  height: 1px;
  background: rgba(208,216,238,.74);
  transition: transform .22s ease, opacity .18s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 768px) {
  #topbar { padding: 0 14px; }
  .menu-toggle { display: inline-flex; }
  #topbar .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1300;
    display: flex !important;
    width: min(82vw, 320px);
    height: 100dvh;
    padding: 74px 24px 28px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: rgba(3,5,7,.54);
    border-left: 1px solid rgba(180,200,255,.12);
    box-shadow: -30px 0 80px rgba(0,0,0,.34);
    backdrop-filter: blur(22px) saturate(1.2);
    -webkit-backdrop-filter: blur(22px) saturate(1.2);
    opacity: 0;
    pointer-events: none;
    transform: translateX(105%);
    transition: transform .28s cubic-bezier(.22,.72,.18,1), opacity .2s ease;
  }
  #topbar .nav-links a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(180,200,255,.08);
    color: rgba(208,216,238,.72);
    font-size: 10px;
    letter-spacing: .18em;
  }
  body.menu-open #topbar .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
  }
  body.menu-open { overflow: hidden; }
}