/* Statecraft — Dark economic simulator theme */
:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #64748b;
  --accent: #3b82f6;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --purple: #a78bfa;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 20px;
}

#app { max-width: 960px; width: 100%; }

/* ─── Header ─── */
.header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--border); margin-bottom: 20px;
}
.country-name { font-size: 24px; font-weight: 700; color: #f1f5f9; }
.country-name span { color: var(--muted); font-weight: 400; }
.year-display { font-size: 20px; color: var(--muted); }
.score { font-size: 18px; font-weight: 600; }
.score .val { color: #fbbf24; }

/* ─── KPI Row ─── */
.kpi-row {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin-bottom: 20px;
}
.kpi-card {
  background: var(--surface); border-radius: 10px; padding: 12px 8px; text-align: center;
  border: 1px solid var(--border);
}
.kpi-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--muted); margin-bottom: 5px; }
.kpi-value { font-size: 24px; font-weight: 700; }
.good { color: var(--green); }
.warn { color: var(--amber); }
.bad { color: var(--red); }
.info { color: var(--accent); }

/* ─── Rate Indicator ─── */
.rate-indicator {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 14px; margin-bottom: 16px; font-size: 13px; color: var(--muted);
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
}
.rate-indicator .current { color: #f1f5f9; font-weight: 600; }
.rate-indicator .label { color: var(--muted); }

/* ─── KPI Flash Animations ─── */
@keyframes kpi-flash-good {
  0% { background-color: rgba(34, 197, 94, 0.35) !important; transform: scale(1.03); border-color: var(--green) !important; }
  50% { background-color: rgba(34, 197, 94, 0.12) !important; transform: scale(1.01); }
  100% { background-color: var(--surface); transform: scale(1); border-color: var(--border); }
}
@keyframes kpi-flash-bad {
  0% { background-color: rgba(239, 68, 68, 0.35) !important; transform: scale(1.03); border-color: var(--red) !important; }
  50% { background-color: rgba(239, 68, 68, 0.12) !important; transform: scale(1.01); }
  100% { background-color: var(--surface); transform: scale(1); border-color: var(--border); }
}
.kpi-card {
  transition: background-color 0.3s, transform 0.3s, border-color 0.3s;
}
.kpi-card.flash-good { animation: kpi-flash-good 0.7s ease-out; }
.kpi-card.flash-bad  { animation: kpi-flash-bad 0.7s ease-out; }

/* ─── Alert Slide-in ─── */
.alert {
  padding: 12px 16px; border-radius: 8px; margin-bottom: 16px;
  font-weight: 600; font-size: 14px; display: none;
  transform: translateY(-100%); transition: transform 0.35s ease-out, opacity 0.35s ease-out;
  opacity: 0;
}
.alert.show {
  display: block; transform: translateY(0); opacity: 1;
}
.alert.hiding {
  transform: translateY(-100%); opacity: 0;
}
.alert.danger { background: #450a0a; border: 1px solid var(--red); color: #fca5a5; }
.alert.warning { background: #451a03; border: 1px solid var(--amber); color: #fcd34d; }
.alert.success { background: #052e16; border: 1px solid var(--green); color: #86efac; }

/* Alert glow for danger/warning */
.alert.danger.show { box-shadow: 0 0 12px rgba(239, 68, 68, 0.3); }
.alert.warning.show { box-shadow: 0 0 12px rgba(245, 158, 11, 0.3); }
.alert.success.show { box-shadow: 0 0 12px rgba(34, 197, 94, 0.2); }

/* ─── Mini-bar chart animation ─── */
.mini-chart { height: 80px; display: flex; align-items: flex-end; gap: 3px; overflow: hidden; }
.mini-bar {
  flex: 1; border-radius: 2px 2px 0 0; min-height: 2px;
  transition: height 0.4s ease-out, opacity 0.4s ease-out;
  opacity: 1;
}
.mini-bar.new-bar {
  opacity: 0;
}

/* ─── Ghost Preview Arrows ─── */
.kpi-preview {
  display: inline-block; margin-left: 4px; padding: 1px 4px;
  border-radius: 4px; font-size: 13px; font-weight: 700;
  transition: opacity 0.2s, background-color 0.2s;
  vertical-align: middle; line-height: 1;
}
.kpi-preview.up {
  color: #fff; background: rgba(34, 197, 94, 0.25);
}
.kpi-preview.down {
  color: #fff; background: rgba(239, 68, 68, 0.25);
}
.kpi-preview.flat {
  color: var(--muted); background: transparent;
}
.kpi-preview.hidden { opacity: 0; }

/* ─── Controls Panel ─── */
.controls {
  background: var(--surface); border-radius: 12px; padding: 20px; margin-bottom: 16px;
  border: 1px solid var(--border);
}
.controls h3 { font-size: 14px; color: var(--muted); margin-bottom: 14px; text-transform: uppercase; letter-spacing: 1px; }
.control-group {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 12px;
}
.slider-group label { display: flex; justify-content: space-between; font-size: 13px; color: #cbd5e1; margin-bottom: 3px; }
.slider-group label .val { color: #f1f5f9; font-weight: 600; }
.slider-group input[type="range"] {
  width: 100%; -webkit-appearance: none; background: var(--border);
  height: 6px; border-radius: 3px; outline: none; margin-top: 4px;
}
.slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); cursor: pointer;
}
.slider-group .range-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); margin-top: 2px; }
.slider-desc { font-size: 11px; color: var(--muted); margin-top: 3px; }

/* ─── Action Row ─── */
.action-row {
  display: flex; gap: 12px; align-items: center; justify-content: space-between;
  padding-top: 12px; border-top: 1px solid var(--border); flex-wrap: wrap;
}
.action-row .left, .action-row .right { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.btn {
  padding: 10px 24px; border: none; border-radius: 8px; font-size: 15px;
  font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-danger { background: var(--red); color: #fff; }
.btn-success { background: var(--green); color: #fff; }
.btn-warning { background: #d97706; color: #fff; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

.money-print-zone { display: flex; gap: 8px; align-items: center; }
.money-print-zone span { font-size: 13px; color: var(--muted); }

.debt-target-group {
  display: flex; gap: 4px; background: var(--bg); border-radius: 8px; padding: 3px;
}
.debt-target-group input[type="radio"] { display: none; }
.debt-target-group label {
  padding: 5px 12px; font-size: 12px; border-radius: 6px; cursor: pointer;
  color: var(--muted); transition: all 0.15s; white-space: nowrap;
}
.debt-target-group input:checked + label {
  background: #1e40af; color: #fff; font-weight: 600;
}
.debt-target-group label:hover { color: #e2e8f0; }

.compact-target-group {
  display: flex; gap: 4px; background: var(--bg); border-radius: 8px; padding: 3px;
}
.compact-target-group input[type="radio"] { display: none; }
.compact-target-group label {
  padding: 5px 12px; font-size: 12px; border-radius: 6px; cursor: pointer;
  color: var(--muted); transition: all 0.15s; white-space: nowrap;
}
.compact-target-group input:checked + label {
  background: #1e40af; color: #fff; font-weight: 600;
}
.compact-target-group label:hover { color: #e2e8f0; }

.fund-badge {
  background: var(--bg); border-radius: 8px; padding: 6px 14px;
  font-size: 13px; display: flex; align-items: center; gap: 8px;
}
.fund-badge .fund-val { color: var(--accent); font-weight: 700; font-size: 16px; }
.fund-badge .fund-label { color: var(--muted); }

/* ─── Event Log ─── */
.event-log {
  background: var(--surface); border-radius: 12px; padding: 16px;
  border: 1px solid var(--border); margin-bottom: 20px;
  max-height: 200px; overflow-y: auto;
}
.event-log h3 { font-size: 13px; color: var(--muted); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1px; }
.event-item {
  padding: 6px 0; border-bottom: 1px solid var(--bg);
  font-size: 13px; display: flex; gap: 8px; align-items: flex-start;
}
.event-item .year-tag { color: var(--muted); font-size: 11px; min-width: 48px; padding-top: 1px; }
.event-pos { color: #86efac; }
.event-neg { color: #fca5a5; }
.event-neu { color: #fde68a; }

/* ─── Charts ─── */
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.chart-box {
  background: var(--surface); border-radius: 10px; padding: 14px; border: 1px solid var(--border);
}
.chart-box h4 { font-size: 12px; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; }
.mini-chart { height: 80px; display: flex; align-items: flex-end; gap: 3px; }
.mini-bar {
  flex: 1; border-radius: 2px 2px 0 0; min-height: 2px; transition: height 0.3s;
}

/* ─── Overlays ─── */
.overlay {
  display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.85); z-index: 100; justify-content: center; align-items: center;
}
.overlay.show { display: flex; }
.overlay-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 40px; max-width: 560px; text-align: center;
}
.overlay-card h2 { font-size: 26px; margin-bottom: 10px; }
.overlay-card p { color: var(--muted); margin-bottom: 16px; line-height: 1.5; }
.overlay-card .stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 20px; text-align: left; }
.overlay-card .stats div { font-size: 14px; color: #cbd5e1; padding: 6px 10px; background: var(--bg); border-radius: 6px; }
.overlay-card .stats .label { color: var(--muted); }
.persistent-note {
  font-size: 11px; color: var(--muted); border-top: 1px solid var(--border);
  padding-top: 10px; margin-top: 6px; text-align: left;
}
.overlay-footnote { font-size: 12px; color: #475569; margin-top: 12px; }

/* ─── Event Choices ─── */
.event-choice {
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; margin-bottom: 10px; cursor: pointer; transition: all 0.15s;
  text-align: left;
}
.event-choice:hover { border-color: var(--accent); background: #1a2332; }
.event-choice h4 { color: #f1f5f9; font-size: 15px; margin-bottom: 4px; }
.event-choice p { color: var(--muted); font-size: 13px; margin: 0; }

/* ─── Game Over Colors ─── */
.death-depression { color: var(--red); }
.death-hyperinflation { color: var(--amber); }
.death-default { color: var(--purple); }
.win { color: var(--green); }

/* ─── Loading ─── */
.loading {
  text-align: center; padding: 40px; color: var(--muted); font-size: 18px;
}
.loading .spinner {
  display: inline-block; width: 24px; height: 24px;
  border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite;
  margin-right: 8px; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Taxation Toggle & Progressive Controls ─── */
.tax-model-toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; }
.toggle-option { cursor: pointer; color: var(--muted); padding: 2px 8px; border-radius: 4px; transition: all 0.15s; }
.toggle-option:hover { color: #f1f5f9; background: var(--border); }
.toggle-option.active { color: #f1f5f9; background: var(--accent); }
.toggle-sep { color: var(--border); font-size: 12px; }
.tax-slider-row {
  display: flex; align-items: center; gap: 10px; margin-bottom: 6px;
}
.tax-slider-row:last-child { margin-bottom: 0; }
.tax-slider-label { font-size: 11px; color: var(--muted); min-width: 120px; white-space: nowrap; }
.tax-slider-val { font-size: 12px; color: #f1f5f9; font-weight: 600; min-width: 36px; text-align: right; }
.tax-slider-row input[type="range"] { height: 4px; }
.tax-eff-rate {
  margin-top: 6px; padding: 4px 8px; background: var(--bg); border-radius: 4px;
  font-size: 11px; color: var(--muted); text-align: center;
}
.tax-eff-rate strong { color: #f1f5f9; }

/* ─── Responsive ─── */
@media (max-width: 700px) {
  .kpi-row { grid-template-columns: repeat(3, 1fr); }
  .control-group { grid-template-columns: 1fr; }
  .charts { grid-template-columns: 1fr; }
  .action-row { flex-direction: column; align-items: stretch; }
  .action-row .left, .action-row .right { justify-content: center; }
  .debt-target-group { width: 100%; justify-content: center; }
  .money-print-zone { justify-content: center; }
}