:root {
  --background-100: hsl(0, 0%, 0%);
  --background-200: hsl(0, 0%, 4%);
  --background-300: hsl(0, 0%, 8%);
  --background-400: hsl(0, 0%, 12%);
  --background-500: hsl(0, 0%, 16%);
  --background-alpha-100: hsla(0, 0%, 5%, 0.8);
  --background-alpha-200: hsla(0, 0%, 5%, 0.6);
  --background-alpha-300: hsla(0, 0%, 5%, 0.4);
  --border-100: hsl(0, 0%, 12%);
  --border-200: hsl(0, 0%, 20%);
  --border-300: hsl(0, 0%, 50%);
  --text-100: hsl(0, 0%, 93%);
  --text-200: hsl(0, 0%, 63%);
  --text-300: rgb(155, 155, 155);
  --text-400: rgb(105, 105, 105);
  --teal-100: rgb(0, 52, 66);
  --teal-500: rgb(0, 167, 225);
  --cyan-100: rgb(0, 60, 52);
  --cyan-500: rgb(20, 203, 183);
  --red-100: rgb(66, 17, 17);
  --red-500: rgb(251, 114, 114);
  --pink-100: rgb(66, 17, 46);
  --pink-500: rgb(251, 114, 178);
  --green-100: rgb(17, 66, 17);
  --green-500: rgb(114, 251, 114);
}

@font-face {
  font-family: "Geist";
  src: local("Geist"), url("../font/Geist.woff2") format("woff2");
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: local("Geist Mono"), url("../font/GeistMono.woff2") format("woff2");
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}

body {
  background-color: var(--background-100);
  margin: 0;
  padding: 0;
  font-family: Geist, sans-serif;
  overflow: hidden;
  text-rendering: optimizeLegibility;
}

header {
  position: fixed;
  top: .5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
}

.header-content {
  background: var(--background-alpha-100);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-100);
  border-radius: 100px;
  padding: 0.5rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-name {
  color: var(--cyan-500);
  font-family: 'Geist Mono', monospace;
  text-transform: uppercase;
  font-size: .875rem;
  font-weight: 400;
}

footer {
  position: fixed;
  bottom: .5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
}

.site-nav {
  display: flex;
  gap: .5rem;
}

.site-nav button {
  color: var(--text-200);
  background-color: transparent;
  padding: .25rem 1rem;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  font-family: 'Geist Mono', monospace;
  font-size: .875rem;
  font-weight: 400;
  transition: all 0.3s ease;
}

.site-nav button.active {
  background-color: var(--background-alpha-300);
  backdrop-filter: blur(10px);
  outline: 1px solid var(--border-100);
}

.site-nav button#filter-none, .site-nav button#infobox {
  padding: .25rem;
}

.site-nav button#filter-none.active, .site-nav button#infobox.active {
  background-color: inherit;
  backdrop-filter: none;
  outline: none;
}

.site-nav button svg {
  height: 16px;
  width: auto;
}

.site-nav button#infobox:hover {
  color: var(--text-100);
}

.site-nav button#filter-none:hover {
  color: var(--text-100);
}

.site-nav button#filter-gdp:hover {
  color: var(--teal-500);
}

.site-nav button#filter-inflation:hover {
  color: var(--red-500);
}

.site-nav button#filter-population:hover {
  color: var(--green-500);
}

.header-tools {
  display: flex;
  gap: 1rem;
  align-items: center;
}

#map-container {
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

svg {
  width: 100%;
  height: 100%;
  display: block;
}

.country {
  fill: var(--background-300);
  stroke: var(--border-200);
  stroke-width: 0.5;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  transition: fill 0.3s ease, stroke 0.3s ease, stroke-width 0.3s ease, transform 0.2s ease;
  transform-origin: center;
  transform-box: fill-box;
}

.country.hover,
.country.selected,
.country:hover {
  fill: var(--cyan-100);
  stroke: var(--cyan-500);
  stroke-width: 1.5;
  cursor: pointer;
}

.tooltip {
  position: absolute;
  padding: 8px 12px;
  font-size: 0.875rem;
  font-family: 'Geist Mono', monospace;
  background: var(--background-alpha-100);
  backdrop-filter: blur(10px);
  color: var(--text-200);
  border: 1px solid var(--border-200);
  border-radius: 8px;
  pointer-events: none;
  z-index: 1000;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.country-label {
  fill: var(--text-200);
  font-size: 12px;
  font-family: 'Geist Mono', monospace;
  pointer-events: none;
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: fill 0.3s ease;
  paint-order: stroke;
  text-rendering: geometricPrecision;
  shape-rendering: geometricPrecision;
  will-change: font-size;
  z-index: 10;
}