/* ── Variables (matches hayashi-website palette) ─────────────────────────── */
:root {
  --navy:      #1a2340;
  --navy-lt:   #2b3658;
  --slate:     #4a5568;
  --muted:     #8a95a3;
  --accent:    #b5895a;
  --bg:        #faf9f7;
  --bg-warm:   #f3f0eb;
  --rule:      #ddd8d0;
  --serif:     'EB Garamond', Georgia, serif;
  --sans:      'DM Sans', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; }

body {
  background: var(--bg);
  color: var(--navy);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
header {
  background: var(--navy);
  padding: 1.4rem 2rem;
  border-bottom: 3px solid var(--accent);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

h1 {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 400;
  color: #fff;
  line-height: 1.15;
}

.header-sub {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-top: 0.25rem;
}

.author-link {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  transition: color 0.2s, border-color 0.2s;
}
.author-link:hover { color: var(--accent); border-color: var(--accent); }

.author-block {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
}

.paper-link {
  font-size: 0.72rem;
  font-family: var(--serif);
  font-style: italic;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: color 0.2s, border-color 0.2s;
}
.paper-link:hover { color: var(--accent); border-color: var(--accent); }

/* ── Controls bar ────────────────────────────────────────────────────────── */
.controls {
  background: #fff;
  border-bottom: 1px solid var(--rule);
  padding: 0.9rem 2rem;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.controls-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.control-label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Year / epsilon sliders */
.slider-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.slider {
  flex: 1;
  min-width: 160px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-warm);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1.5px var(--navy);
  cursor: pointer;
}
.slider::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1.5px var(--navy);
  cursor: pointer;
}

.slider-bound {
  font-size: 0.7rem;
  color: var(--muted);
  white-space: nowrap;
  min-width: 2.5rem;
}

.slider-value {
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--navy);
  line-height: 1;
  min-width: 3rem;
}

/* Radio buttons */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 0.1rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--navy);
  cursor: pointer;
}
.radio-label input { cursor: pointer; accent-color: var(--navy); }

.view-hint {
  font-size: 0.68rem;
  color: var(--muted);
}

/* ── Info tooltip ────────────────────────────────────────────────────────── */
.info-tip {
  position: relative;
  display: inline-block;
  font-size: 0.72rem;
  color: var(--muted);
  cursor: default;
  vertical-align: middle;
  line-height: 1;
  margin-left: 0.2rem;
}

#info-tip-bubble {
  position: fixed;
  z-index: 9999;
  display: none;
  max-width: 280px;
  background: var(--navy);
  color: #fff;
  font-family: var(--sans);
  font-size: 0.73rem;
  font-weight: 400;
  line-height: 1.5;
  padding: 0.55rem 0.75rem;
  border-radius: 4px;
  white-space: normal;
  box-shadow: 0 3px 12px rgba(0,0,0,0.18);
  pointer-events: none;
  text-transform: none;
  letter-spacing: 0;
}

/* ── Loading overlay ─────────────────────────────────────────────────────── */
#loading {
  position: fixed;
  inset: 0;
  background: rgba(250,249,247,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(2px);
}
#loading.hidden { display: none; }

.loading-inner {
  text-align: center;
  color: var(--slate);
  font-size: 0.9rem;
}

.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--rule);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-error {
  color: #c0392b;
  max-width: 320px;
  line-height: 1.6;
}

/* ── Map ─────────────────────────────────────────────────────────────────── */
#map-container {
  flex: 1;
  padding: 1rem 1rem 0;
  position: relative;
}

#map { display: block; width: 100%; cursor: grab; user-select: none; background: #e2e2e2; }
#map:active { cursor: grabbing; }

/* ── Zoom controls ─────────────────────────────────────────────────────── */
#zoom-controls {
  position: absolute;
  bottom: 1rem;
  right: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  z-index: 10;
}
#zoom-controls button {
  width: 1.9rem;
  height: 1.9rem;
  border: 1px solid rgba(26,35,64,0.25);
  background: rgba(255,255,255,0.92);
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s;
}
#zoom-controls button:hover { background: #fff; border-color: var(--navy); }
#zoom-controls button:active { background: #e8ebf2; }

.county {
  stroke: rgba(255,255,255,0.25);
  stroke-width: 0.3;
}
/* ZIP code view: ~34k features need much thinner strokes */
.county--zip {
  stroke: rgba(255,255,255,0.15);
  stroke-width: 0.1;
}
/* GeoJSON views (zip, district, metro): slightly thinner than county default */
.county--geo {
  stroke: rgba(255,255,255,0.2);
  stroke-width: 0.25;
}
.county:hover {
  stroke: var(--navy);
  stroke-width: 1.2;
  cursor: pointer;
}

.state-border {
  fill: none;
  stroke: rgba(26,35,64,0.35);
  stroke-width: 0.7;
  pointer-events: none;
}

.county-border {
  fill: none;
  stroke: rgba(26,35,64,0.18);
  stroke-width: 0.35;
  pointer-events: none;
}

/* ── Tooltip ─────────────────────────────────────────────────────────────── */
#tooltip {
  position: fixed;
  background: #fff;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  padding: 0.65rem 0.9rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s;
  font-family: var(--sans);
  font-size: 0.8rem;
  line-height: 1.55;
  z-index: 100;
  max-width: 210px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.09);
}
#tooltip.visible { opacity: 1; }

.tooltip-county { font-weight: 500; color: var(--navy); margin-bottom: 0.1rem; }
.tooltip-meta   { font-size: 0.7rem; color: var(--muted); }
.tooltip-value  { font-family: var(--serif); font-size: 1.15rem; color: var(--navy); margin-top: 0.15rem; }
.tooltip-mean   { font-size: 0.75rem; color: var(--slate); margin-top: 0.1rem; }

/* ── Legend ──────────────────────────────────────────────────────────────── */
#legend {
  padding: 0.75rem 0 1rem;
  max-width: 360px;
}

.legend-title {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.legend-bar {
  height: 8px;
  border-radius: 3px;
  width: 100%;
}

.legend-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.3rem;
}

.legend-label { font-size: 0.7rem; color: var(--slate); }
.legend-label--center { color: var(--muted); font-size: 0.65rem; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer {
  background: #fff;
  border-top: 1px solid var(--rule);
  padding: 0.9rem 2rem;
  margin-top: 0.5rem;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

footer p {
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  header, .controls, footer { padding-left: 1rem; padding-right: 1rem; }
  .controls-inner { gap: 1.5rem; }
  .slider { min-width: 110px; }
  #map-container { padding: 0.5rem 0 0; }
}

/* ── National statistics ─────────────────────────────────────────────────── */
.nat-stats {
  display: flex;
  flex-direction: row;
  gap: 1.5rem;
  padding-top: 0.1rem;
  align-items: flex-start;
}

.nat-stats-col {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.nat-stat {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
}

.nat-stat-label {
  font-size: 0.75rem;
  color: var(--slate);
  white-space: nowrap;
}

.nat-stat-value {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--navy);
  min-width: 4.5rem;
  text-align: right;
}

.nat-stat--sub {
  padding-left: 0.9rem;
}
.nat-stat--sub .nat-stat-label {
  font-size: 0.7rem;
  color: var(--muted);
}
.nat-stat--sub .nat-stat-value {
  font-size: 0.95rem;
  color: var(--slate);
}

/* ── Extremes panel ──────────────────────────────────────────────────────── */
#extremes-panel {
  display: flex;
  gap: 0.75rem;
}

.extremes-table {
  flex: 1;
  border-collapse: collapse;
  font-size: 0.72rem;
  width: 100%;
}

.extremes-head {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.15rem 0.3rem 0.25rem;
  border-bottom: 1px solid var(--rule);
}

.extremes-head--high { color: #8b1a1a; }
.extremes-head--low  { color: #1a4a8b; }

.extremes-table td {
  padding: 0.12rem 0.3rem;
  vertical-align: middle;
  line-height: 1.3;
}

.extremes-name {
  color: var(--slate);
  max-width: 9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.extremes-val {
  text-align: right;
  font-family: var(--serif);
  font-size: 0.8rem;
  color: var(--navy);
  white-space: nowrap;
  padding-left: 0.4rem;
}

.extremes-table tr:hover td { background: rgba(0,0,0,0.04); }

/* ── Policy Simulator ────────────────────────────────────────────────────── */
.policy-bar {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--rule);
  padding: 0.75rem 2rem;
}

.policy-bar-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.policy-header-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.policy-toggle-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  user-select: none;
}

.policy-toggle-label input[type="checkbox"] {
  accent-color: var(--navy);
  width: 14px;
  height: 14px;
  cursor: pointer;
  flex-shrink: 0;
}

.policy-title {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--navy);
}

.policy-hint {
  font-size: 0.72rem;
  color: var(--muted);
}

.policy-inputs {
  display: none;
  margin-top: 0.8rem;
}
.policy-inputs.active { display: block; }

.policy-table {
  border-collapse: collapse;
  font-size: 0.82rem;
}

.policy-table th {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  padding: 0 2rem 0.4rem 0;
  text-align: left;
}

.policy-table td {
  padding: 0.18rem 2rem 0.18rem 0;
  vertical-align: middle;
}

.pt-band-label {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--navy);
  width: 2rem;
}

.pt-open {
  color: var(--muted);
  font-style: italic;
}

.policy-threshold,
.policy-amount {
  width: 96px;
  padding: 0.22rem 0.45rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--navy);
  background: #fff;
  text-align: right;
  transition: border-color 0.15s;
}
.policy-threshold:focus,
.policy-amount:focus {
  outline: none;
  border-color: var(--navy);
}

/* ── Policy band add / remove ────────────────────────────────────────────── */
.policy-band-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.policy-band-btn {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--slate);
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.2rem 0.6rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.policy-band-btn:hover:not(:disabled) {
  border-color: var(--navy);
  color: var(--navy);
}
.policy-band-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

/* ── Tooltip policy rows ─────────────────────────────────────────────────── */
.tooltip-policy-grid {
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: auto auto;
  column-gap: 0.8rem;
  row-gap: 0.05rem;
  font-size: 0.78rem;
}
.tooltip-policy-label { color: var(--muted); }
.tooltip-policy-num   { font-family: var(--serif); text-align: right; }

.tooltip-delta {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin-top: 0.2rem;
}
.tooltip-delta--neg { color: #1d4ed8; }
.tooltip-delta--pos { color: #b91c1c; }

/* ── Policy stats results ────────────────────────────────────────────────── */
.policy-inputs-row {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  flex-wrap: wrap;
}

#policy-stats {
  padding-left: 2rem;
  border-left: 1px solid var(--rule);
  min-width: 0;
}
#policy-stats:empty { border-left: none; }

.ps-title {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.ps-table {
  border-collapse: collapse;
  font-size: 0.82rem;
}

.ps-table thead th {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  padding: 0 1.5rem 0.35rem 0;
  text-align: left;
}
.ps-table thead th:not(:first-child) { text-align: right; }

.ps-table td {
  padding: 0.18rem 1.5rem 0.18rem 0;
  vertical-align: middle;
}

.ps-label {
  color: var(--slate);
  font-size: 0.78rem;
  white-space: nowrap;
}

.ps-base {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--navy);
  text-align: right;
}

.ps-delta {
  font-family: var(--serif);
  font-size: 1rem;
  text-align: right;
  font-weight: 500;
}

.ps-table tr.ps-sub .ps-label {
  padding-left: 0.8rem;
  font-size: 0.72rem;
  color: var(--muted);
}
.ps-table tr.ps-sub .ps-base,
.ps-table tr.ps-sub .ps-delta {
  font-size: 0.82rem;
  color: var(--slate);
  font-family: var(--sans);
  font-weight: 400;
}

.ps-good { color: #1d4ed8; }   /* improvement — blue */
.ps-bad  { color: #b91c1c; }   /* worsening  — red  */
.ps-zero { color: var(--muted); }
.ps-na   { color: var(--muted); }

@media (max-width: 700px) {
  .policy-bar { padding-left: 1rem; padding-right: 1rem; }
  .policy-hint { display: none; }
}