/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Base ───────────────────────────────────────────────────────────────── */
body {
  background: #0a0a0a;
  font-family: 'Courier New', Courier, monospace;
  color: #5cba60;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Layout wrapper ─────────────────────────────────────────────────────── */
.app-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 14px 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.app-header {
  text-align: center;
  padding: 12px 0 8px;
  border-bottom: 1px solid #1e3a1e;
}

.app-title {
  font-size: clamp(20px, 4vw, 28px);
  letter-spacing: 8px;
  font-weight: 700;
  color: #4CAF50;
  text-shadow: 0 0 20px rgba(76,175,80,.6), 0 0 40px rgba(76,175,80,.2);
}

.app-subtitle {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 3px;
  color: #4a8a4c;
  text-transform: uppercase;
}

/* ── Section label (reused) ─────────────────────────────────────────────── */
.section-label {
  font-size: 10px;
  letter-spacing: 4px;
  color: #4a8a4c;
  text-transform: uppercase;
}

/* ── Scenario selector ──────────────────────────────────────────────────── */
.scenario-section { display: flex; flex-direction: column; gap: 10px; }

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.scenario-card {
  --accent: #4CAF50;
  background: #111411;
  border: 1px solid #1e3a1e;
  border-top: 3px solid var(--accent);
  border-radius: 3px;
  padding: 10px 6px 9px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  transition: background 0.12s, box-shadow 0.12s;
  user-select: none;
}

.scenario-card:hover {
  background: #1a241a;
  box-shadow: 0 0 8px rgba(76,175,80,.2);
}

.scenario-card.active {
  background: #162016;
  border-top-color: var(--accent);
  border-left-color: var(--accent);
  border-right-color: var(--accent);
  box-shadow: 0 0 12px rgba(76,175,80,.3), inset 0 0 8px rgba(76,175,80,.05);
}

.sc-code {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
  line-height: 1;
}

.sc-name {
  font-size: 10px;
  font-weight: 700;
  color: #c0c0c0;
  text-align: center;
  line-height: 1.3;
}

.sc-sub {
  font-size: 9px;
  color: #5a7a5c;
  text-align: center;
}

.scenario-desc {
  font-size: 12px;
  color: #7abd7e;
  min-height: 2.4em;
  line-height: 1.6;
  padding: 8px 10px;
  background: #0e130e;
  border: 1px solid #1e3a1e;
  border-left: 3px solid #2a6a2a;
}

/* ── Main layout ────────────────────────────────────────────────────────── */
.sim-layout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

/* ── Left panel: canvas + graph ─────────────────────────────────────────── */
.sim-left {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border: 1px solid #1e3a1e;
}

#phaserContainer {
  width: 560px;
  height: 400px;
  display: block;
  overflow: hidden;
  background: #000;
}

#phaserContainer canvas {
  display: block;
}

#myChart {
  width: 560px;
  height: 240px;
  border-top: 1px solid #1e3a1e;
  background: #000;
}

/* ── Right panel: stats + controls ─────────────────────────────────────── */
.sim-right {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 644px;
  overflow-y: auto;
}

/* ── Stats dashboard ────────────────────────────────────────────────────── */
.stats-panel {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.stat-item {
  background: #0e130e;
  border: 1px solid #1e3a1e;
  border-radius: 3px;
  padding: 10px 4px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
  color: #4CAF50;
  letter-spacing: 1px;
  line-height: 1;
}

.stat-label {
  font-size: 9px;
  letter-spacing: 2px;
  color: #5a8a5c;
  text-transform: uppercase;
}

.stat-item.infected-stat .stat-value { color: #e84545; }
.stat-item.dead-stat     .stat-value { color: #909090; }

/* ── Controls panel ─────────────────────────────────────────────────────── */
.controls-panel {
  background: #0e130e;
  border: 1px solid #1e3a1e;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.group-label {
  font-size: 10px;
  letter-spacing: 3px;
  color: #4a8a4c;
  text-transform: uppercase;
  padding-bottom: 6px;
  border-bottom: 1px solid #1e3a1e;
  margin-bottom: 1px;
}

.divider {
  border: none;
  border-top: 1px solid #1a2e1a;
  margin: 2px 0;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.control-row label {
  display: flex;
  flex-direction: column;
  width: 138px;
  flex-shrink: 0;
  font-size: 12px;
  color: #5cba60;
  line-height: 1.3;
}

.hint {
  font-size: 10px;
  color: #4a7a4c;
  font-style: italic;
}

/* Slider track */
.slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 4px;
  background: #1a2e1a;
  outline: none;
  border-radius: 2px;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  background: #4CAF50;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.12s;
}

.slider::-webkit-slider-thumb:hover { background: #66bb6a; }

.slider::-moz-range-thumb {
  width: 15px; height: 15px;
  background: #4CAF50; border-radius: 2px; border: none; cursor: pointer;
}

.value {
  width: 32px;
  flex-shrink: 0;
  text-align: right;
  font-size: 12px;
  font-weight: 700;
  color: #4CAF50;
}

/* ── Legend ─────────────────────────────────────────────────────────────── */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 11px;
  color: #7abd7e;
  letter-spacing: 0.5px;
  padding: 2px 0;
}

.dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: middle;
}

.d-healthy   { background: #4CAF50; }
.d-vacc      { background: #4488ff; }
.d-infected  { background: #e84545; }
.d-asymp     { background: #ddaa00; }
.d-recovered { background: #00ddaa; }
.d-dead      { background: #666666; }

/* ── Simulate button ────────────────────────────────────────────────────── */
#sim {
  padding: 14px 0;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: #4CAF50;
  background: transparent;
  border: 1px solid #4CAF50;
  border-radius: 2px;
  cursor: pointer;
  width: 100%;
  transition: color 0.12s, background-color 0.12s;
}

#sim:hover  { color: #000; background-color: #4CAF50; }
#sim:active { background-color: #66bb6a; }

/* ── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #0a0a0a; }
::-webkit-scrollbar-thumb { background: #1e3a1e; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #2e5a2e; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .scenario-grid { grid-template-columns: repeat(4, 1fr); }

  .sim-layout { flex-direction: column; align-items: stretch; }

  .sim-left   { width: 100%; }
  #phaserContainer { width: 100%; height: 320px; }
  #myChart    { width: 100%; height: 220px; }

  .sim-right  { max-height: none; }
}

@media (max-width: 560px) {
  .scenario-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-panel   { grid-template-columns: repeat(3, 1fr); }
  .stat-value    { font-size: 16px; }
  .app-title     { letter-spacing: 4px; }
}