:root {
  --black: #000000;
  --phosphor: #e4e4e0;
  --phosphor-mid: #9a9a96;
  --phosphor-dim: #5a5a57;
  --land-unvisited: #1c1c1b;
  --border-unvisited: #3c3c3a;
  --glow: 0 0 2px rgba(228, 228, 224, 0.8), 0 0 8px rgba(228, 228, 224, 0.35);

  --font: "VT323", "Courier New", monospace;
  --text-size: 1.3rem;
  --heading-size: 1.45rem;
  --gap: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--black);
  color: var(--phosphor);
  font-family: var(--font);
  font-size: var(--text-size);
  line-height: 1.2;
}

body { padding: 12px; }

/* The "tube": rounded glass, dark vignette at the edges and scanlines on top.
   Real barrel distortion isn't possible in CSS, the vignette and inner glow sell the curvature. */
.screen {
  position: relative;
  min-height: calc(100vh - 24px);
  padding: 18px 22px;
  border-radius: 28px / 22px;
  background: radial-gradient(ellipse at center, #0d0d0d 0%, #050505 70%, #000 100%);
  box-shadow:
    inset 0 0 60px rgba(0, 0, 0, 0.9),
    inset 0 0 14px rgba(228, 228, 224, 0.08),
    0 0 0 2px #1a1a1a;
  overflow: hidden;
  text-shadow: var(--glow);
}

.screen::before,
.screen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  z-index: 10;
}

.screen::before {
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.28) 3px
  );
}

.screen::after {
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0.55) 100%);
}

/* Title bar */
.titlebar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0 16px;
  border-bottom: 1px solid var(--phosphor-dim);
  padding-bottom: 6px;
  margin-bottom: var(--gap);
}

h1 {
  margin: 0;
  font-size: 2.4rem;
  font-weight: normal;
  letter-spacing: 0.04em;
}

h2 {
  margin: 0 0 8px;
  font-size: var(--heading-size);
  font-weight: normal;
}

.prompt { color: var(--phosphor-mid); }
.dim { color: var(--phosphor-mid); }

/* Layout: globe and region map share the top, three small stat panels below */
.layout {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-template-rows: minmax(380px, 62vh) auto;
}

.panel-globe  { grid-column: span 2; }
.panel-region { grid-column: span 4; }
.layout > .panel:nth-child(n + 3) { grid-column: span 2; }

.panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 10px 12px;
  border: 1px solid var(--phosphor-dim);
}

.hint {
  margin: 6px 0 0;
  font-size: 1.05rem;
}

.viz {
  position: relative;
  flex: 1;
  min-height: 0;
}

.viz > svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  /* One glow filter on the whole SVG is far cheaper than one per country path */
  filter: drop-shadow(0 0 1.5px rgba(228, 228, 224, 0.55));
  touch-action: none;
}

/* Region presets */
.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin-bottom: 8px;
}

.presets button {
  font: inherit;
  font-size: 1.15rem;
  color: var(--phosphor);
  background: none;
  border: none;
  padding: 0 4px;
  cursor: pointer;
  text-shadow: inherit;
}

.presets button::before { content: "["; color: var(--phosphor-dim); }
.presets button::after  { content: "]"; color: var(--phosphor-dim); }

.presets button:hover,
.presets button[aria-pressed="true"] {
  background: var(--phosphor);
  color: var(--black);
  text-shadow: none;
}

.presets button:focus-visible {
  outline: 1px dashed var(--phosphor);
  outline-offset: 2px;
}

/* Map shapes. Monochrome means the status is carried by texture, not colour. */
.sphere { fill: var(--black); stroke: var(--phosphor-mid); stroke-width: 1; }
.graticule { fill: none; stroke: var(--phosphor-dim); stroke-width: 0.4; stroke-opacity: 0.6; }

.country {
  fill: var(--land-unvisited);
  stroke: var(--border-unvisited);
  stroke-width: 0.5;
  vector-effect: non-scaling-stroke;
  cursor: pointer;
}

.country.lived   { fill: var(--phosphor); stroke: var(--black); }
.country.visited { fill: url(#scanline-hatch); stroke: var(--phosphor-mid); }
.country.transit { fill: url(#sparse-dots); stroke: var(--phosphor); stroke-width: 1; stroke-dasharray: 2 2; }

.country:hover    { stroke: var(--phosphor); stroke-width: 1.5; }
.country.selected { stroke: var(--phosphor); stroke-width: 2; stroke-dasharray: none; }

.hatch-line { fill: var(--phosphor); }
.dot { fill: var(--phosphor); }
.dot-background { fill: var(--land-unvisited); }

.pattern-defs {
  position: absolute;
  width: 0;
  height: 0;
}

/* Stats and legend */
.readout-block {
  margin: 0;
  font: inherit;
  white-space: pre;
  overflow-x: auto;
}

.legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.legend li { display: flex; align-items: center; gap: 10px; }
.legend svg { width: 36px; height: 24px; }

/* Status line */
.statusline {
  margin-top: var(--gap);
  padding-top: 6px;
  border-top: 1px solid var(--phosphor-dim);
  min-height: 1.6em;
}

.cursor { animation: blink 1s steps(1) infinite; margin-left: 2px; }

@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
}

/* Narrow screens: stack everything */
@media (max-width: 860px) {
  body { padding: 6px; }
  .screen { padding: 12px 12px; border-radius: 16px; }
  .layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: none;
  }
  .panel-globe,
  .panel-region,
  .layout > .panel:nth-child(n + 3) { grid-column: auto; }
  .panel-globe .viz  { height: 88vw; flex: none; }
  .panel-region .viz { height: 75vw; flex: none; }
  h1 { font-size: 2rem; }
  .readout-block { font-size: 1.15rem; }
}