:root {
  --bg: #0b1220;
  --panel: rgba(10, 18, 34, 0.88);
  --panel-border: rgba(120, 190, 255, 0.22);
  --text: #eef5ff;
  --muted: #9db2d0;
  --accent: #f97316;
  --accent-2: #3ecf8e;
  --primary: #3b82f6;
  --glow: rgba(62, 207, 142, 0.35);
  --radius: 16px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --side-w: min(360px, 92vw);
  font-family: "Nunito", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: radial-gradient(1100px 700px at 55% 20%, #163058 0%, var(--bg) 52%, #060a12 100%);
  color: var(--text);
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
}

#c {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.label-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  overflow: hidden;
}

a { color: #7dd3fc; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Top bar ---- */
.top-bar {
  position: absolute;
  top: 14px;
  left: 14px;
  right: calc(var(--side-w) + 28px);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  pointer-events: none;
  z-index: 6;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(14px);
  padding: 12px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  pointer-events: auto;
  max-width: 520px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: #041018;
  background: linear-gradient(135deg, #3ecf8e, #38bdf8);
  box-shadow: 0 0 24px var(--glow);
  flex-shrink: 0;
}

.detail-placeholder {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px dashed rgba(120, 190, 255, 0.25);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.4;
  background: rgba(255, 255, 255, 0.03);
}

.detail-placeholder[hidden] {
  display: none !important;
}

.brand h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.load-status {
  pointer-events: auto;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(12px);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

.load-status.ready {
  color: #86efac;
  border-color: rgba(62, 207, 142, 0.35);
}

/* ---- Side panel ---- */
.side-panel {
  position: absolute;
  top: 14px;
  right: 14px;
  bottom: 14px;
  width: var(--side-w);
  overflow-y: auto;
  z-index: 6;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-block h2 {
  margin: 0 0 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
}

.panel-block h3 {
  margin: 0 0 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.lede strong { color: #7dd3fc; }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 11px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.12s;
}

.chip:hover { background: rgba(255, 255, 255, 0.08); }
.chip.active {
  background: rgba(59, 130, 246, 0.25);
  border-color: rgba(59, 130, 246, 0.55);
  color: #dbeafe;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--muted);
  margin: 4px 0;
  cursor: pointer;
  user-select: none;
}

.check input { accent-color: var(--primary); }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn {
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 800;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.12s, background 0.15s;
}

.btn:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border-color: transparent;
}
.btn.ghost {
  background: transparent;
}

.detail-card {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(62, 207, 142, 0.35);
  background: rgba(16, 40, 32, 0.55);
  animation: fadeIn 0.25s ease;
}

.detail-card[hidden] { display: none !important; }

.detail-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.detail-card h3 {
  margin: 0 0 4px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
}

.detail-card p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.4;
}

.glossary dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 10px;
  font-size: 0.82rem;
}

.glossary dt {
  color: #7dd3fc;
  font-weight: 800;
}

.glossary dd {
  margin: 0;
  color: var(--muted);
}

/* ---- Floating callout labels ---- */
.callout {
  position: absolute;
  transform: translate(-50%, -100%);
  pointer-events: auto;
  cursor: pointer;
  max-width: 200px;
  transition: opacity 0.2s, filter 0.2s;
  z-index: 5;
}

.callout.hidden-callout {
  opacity: 0;
  pointer-events: none;
  filter: blur(2px);
}

.callout-bubble {
  background: rgba(8, 14, 28, 0.92);
  border: 1.5px solid var(--callout-color, #38bdf8);
  border-radius: 12px;
  padding: 8px 11px 9px;
  box-shadow:
    0 8px 28px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  backdrop-filter: blur(10px);
}

.callout-bubble:hover {
  filter: brightness(1.12);
}

.callout.active .callout-bubble {
  box-shadow:
    0 0 0 2px var(--callout-color, #38bdf8),
    0 10px 32px rgba(0, 0, 0, 0.5);
}

.callout-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
}

.callout-icon {
  color: var(--callout-color, #38bdf8);
  font-size: 0.9rem;
}

/* Snippets removed — titles only; full text lives in the sidebar */

/* Leader line drawn on a shared SVG overlay */
.leaders-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 3;
}

.leaders-svg line {
  stroke-width: 1.5;
  stroke-linecap: round;
}

.leaders-svg polygon {
  opacity: 0.95;
}

/* ---- HUD ---- */
.hud-hint {
  position: absolute;
  left: 14px;
  bottom: 14px;
  right: calc(var(--side-w) + 28px);
  z-index: 5;
  pointer-events: none;
  text-align: center;
}

.hud-hint span {
  display: inline-block;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--muted);
  box-shadow: var(--shadow);
}

/* ---- Loading ---- */
.loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgba(6, 10, 18, 0.72);
  backdrop-filter: blur(8px);
  transition: opacity 0.4s;
}

.loading-overlay.done {
  opacity: 0;
  pointer-events: none;
}

.loader-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 28px 32px;
  text-align: center;
  min-width: 280px;
  box-shadow: var(--shadow);
}

.loader-card h2 {
  margin: 12px 0 4px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
}

.loader-card p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto;
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: #3ecf8e;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 8%;
  background: linear-gradient(90deg, #3ecf8e, #38bdf8);
  border-radius: 999px;
  transition: width 0.25s;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 820px) {
  :root { --side-w: 100%; }

  .side-panel {
    top: auto;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: 42vh;
    border-radius: 18px 18px 0 0;
  }

  .top-bar {
    right: 14px;
  }

  .hud-hint {
    display: none;
  }

  .brand p { display: none; }
}