@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500;600&display=swap');

:root {
  --bg-0: #090a0e;
  --bg-1: #0e1017;
  --bg-2: #13151e;
  --bg-3: #191c27;
  --border: #1c1f2c;
  --border-h: #252938;
  --text-0: #c8cad4;
  --text-1: #888c9c;
  --text-2: #555968;
  --text-3: #363944;
  --accent: #c49a3c;
  --accent-dim: rgba(196, 154, 60, 0.07);
  --accent-glow: rgba(196, 154, 60, 0.3);
  --red: #a04040;
  --green: #508050;
  --font: 'IBM Plex Mono', 'Menlo', 'Consolas', monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-1);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  z-index: 10001;
  opacity: 0.6;
}

::selection { background: var(--accent); color: var(--bg-0); }

/* ── HEADER ── */
#header {
  padding: 9px 16px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 12px;
}

#header h1 {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  white-space: nowrap;
}

#header p {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── LAYOUT ── */
#main-container { display: flex; height: calc(100vh - 37px); }

/* ── SIDEBAR ── */
#controls {
  width: 272px;
  min-width: 272px;
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
}

#controls::-webkit-scrollbar { width: 3px; }
#controls::-webkit-scrollbar-track { background: transparent; }
#controls::-webkit-scrollbar-thumb { background: var(--border-h); }

/* ── COLLAPSIBLE SECTIONS ── */
.section { border-bottom: 1px solid var(--border); }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 10px 16px;
  background: none;
  border: none;
  color: var(--text-2);
  font: 500 11px/1 var(--font);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s, background 0.15s;
  user-select: none;
}

.section-header:hover { color: var(--text-1); background: var(--accent-dim); }
.section-header[aria-expanded="true"] { color: var(--text-1); }
.section-num { color: var(--accent); margin-right: 8px; font-weight: 600; }
.section-indicator { font-size: 12px; color: var(--text-3); font-weight: 400; letter-spacing: 0; }

.section-body {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-body.collapsed { grid-template-rows: 0fr; }

.section-inner { overflow: hidden; }

.section-pad { padding: 6px 16px 14px; }

/* ── SLIDERS ── */
.slider-group { margin-bottom: 10px; }

.slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.slider-label span:first-child {
  color: var(--text-2);
  font: 500 11px/1 var(--font);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.slider-value {
  color: var(--accent);
  font-weight: 600;
  font-size: 12px;
  min-width: 32px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 1px;
  background: var(--border-h);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 8px;
  height: 8px;
  background: var(--accent);
  cursor: pointer;
  border: none;
  transition: box-shadow 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 10px var(--accent-glow);
}

input[type="range"]::-moz-range-thumb {
  width: 8px;
  height: 8px;
  background: var(--accent);
  cursor: pointer;
  border: none;
  border-radius: 0;
}

/* ── WEIGHT TOTAL ── */
.weight-total {
  padding: 6px 0;
  margin-bottom: 10px;
  font-size: 12px;
  text-align: right;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  font-weight: 500;
}

.weight-total.over { color: var(--red); }
.weight-total.ok { color: var(--green); }

/* ── BUTTONS ── */
#reset-btn {
  display: block;
  width: 100%;
  padding: 7px;
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border);
  cursor: pointer;
  font: 500 10px/1 var(--font);
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all 0.2s;
  margin-top: 6px;
}

#reset-btn:hover {
  color: var(--text-1);
  border-color: var(--border-h);
  background: var(--bg-2);
}

#back-btn {
  display: none;
  width: 100%;
  padding: 9px 16px;
  background: var(--accent-dim);
  color: var(--accent);
  border: none;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font: 500 11px/1 var(--font);
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: background 0.2s;
}

#back-btn:hover { background: rgba(196, 154, 60, 0.12); }

/* ── COUNTY HINT ── */
#county-hint {
  display: none;
  font-size: 11px;
  color: var(--text-3);
  margin-top: 10px;
  padding: 6px 0;
  border-top: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── RANKING ── */
.ranking-header {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  transition: background 0.1s;
}

.rank-item.rank-clickable { cursor: pointer; }
.rank-item.rank-clickable:hover { background: var(--accent-dim); margin: 0 -16px; padding: 4px 16px; }

.rank-pos {
  color: var(--text-3);
  font-size: 11px;
  min-width: 16px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.rank-name { flex: 1; color: var(--text-1); font-weight: 400; }

.rank-drill {
  color: var(--accent);
  font-size: 10px;
  opacity: 0;
  transition: opacity 0.15s;
  letter-spacing: 1px;
}

.rank-item:hover .rank-drill { opacity: 1; }

.rank-score {
  font-weight: 600;
  font-size: 13px;
  min-width: 32px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── MAP ── */
#map-container { flex: 1; position: relative; }
#map { width: 100%; height: 100%; background: var(--bg-0); }

/* ── LEGEND ── */
#legend {
  position: absolute;
  bottom: 20px;
  right: 16px;
  background: rgba(14, 16, 23, 0.92);
  padding: 10px 14px;
  border: 1px solid var(--border);
  z-index: 1000;
  min-width: 170px;
  backdrop-filter: blur(12px);
}

#legend h3 {
  font-size: 10px;
  color: var(--text-3);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
}

.legend-bar {
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, #8B0000, #D4380D, #FAAD14, #95DE64, #52C41A, #1D6B1D);
  margin-bottom: 4px;
}

.legend-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.5px;
}

/* ── INFO PANEL ── */
#info-panel {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(14, 16, 23, 0.92);
  padding: 14px 16px;
  border: 1px solid var(--border);
  z-index: 1000;
  min-width: 250px;
  max-width: 290px;
  display: none;
  backdrop-filter: blur(12px);
}

#info-panel h3 {
  font-size: 14px;
  color: var(--text-0);
  margin-bottom: 2px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.info-subtitle {
  font-size: 11px;
  color: var(--text-2);
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

#info-panel .score-big {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -1px;
}

.param-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}

.param-row:last-child { border-bottom: none; }

.param-bar-bg {
  width: 50px;
  height: 2px;
  background: var(--border-h);
  margin: 0 6px;
}

.param-bar { height: 100%; transition: width 0.3s; }

.param-name {
  color: var(--text-2);
  min-width: 85px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.param-score {
  color: var(--text-1);
  min-width: 22px;
  text-align: right;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.raw-value {
  font-size: 11px;
  color: var(--text-3);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.3px;
}

.raw-value div { margin-bottom: 2px; }

.info-meta {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.drill-prompt {
  margin-top: 8px;
  padding: 5px;
  background: var(--accent-dim);
  text-align: center;
  font-size: 10px;
  color: var(--accent);
  cursor: pointer;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  transition: background 0.2s;
}

.drill-prompt:hover { background: rgba(196, 154, 60, 0.14); }

/* ── OVERLAY CONTROLS ── */
#overlay-controls {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1000;
  background: rgba(14, 16, 23, 0.92);
  padding: 8px 12px;
  border: 1px solid var(--border);
  font-size: 12px;
  backdrop-filter: blur(12px);
}

#overlay-controls label {
  cursor: pointer;
  display: block;
  margin: 2px 0;
  color: var(--text-2);
  letter-spacing: 0.5px;
  transition: color 0.15s;
}

#overlay-controls label:hover { color: var(--text-1); }

#overlay-controls input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  border: 1px solid var(--border-h);
  background: transparent;
  cursor: pointer;
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
}

#overlay-controls input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

/* ── LEAFLET OVERRIDES ── */
.leaflet-popup-content-wrapper {
  background: rgba(14, 16, 23, 0.95);
  color: var(--text-1);
  border-radius: 0;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  font-family: var(--font);
  font-size: 10px;
}

.leaflet-popup-tip { background: rgba(14, 16, 23, 0.95); }
.leaflet-popup-content { font-size: 12px; line-height: 1.5; margin: 8px 10px; }
.leaflet-popup-content b { color: var(--text-0); font-weight: 600; }
.leaflet-popup-close-button { color: var(--text-3) !important; }

.leaflet-control-zoom a {
  background: rgba(14, 16, 23, 0.92) !important;
  color: var(--text-2) !important;
  border-color: var(--border) !important;
  font-family: var(--font) !important;
  width: 28px !important;
  height: 28px !important;
  line-height: 28px !important;
  border-radius: 0 !important;
}

.leaflet-control-zoom a:hover {
  background: var(--bg-3) !important;
  color: var(--text-0) !important;
}

.leaflet-control-zoom { border: none !important; border-radius: 0 !important; }

/* ── LOADING ── */
#loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2000;
  color: var(--text-2);
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 500;
}

#loading::after {
  content: '\2588';
  animation: blink 1s step-end infinite;
  margin-left: 2px;
  color: var(--accent);
}

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

/* ── INFRA LEGEND ── */
.infra-legend { margin-top: 8px; padding-top: 6px; border-top: 1px solid var(--border); }
.infra-legend div { font-size: 10px; color: var(--text-3); margin: 2px 0; letter-spacing: 0.5px; }
.infra-legend span { display: inline-block; width: 6px; height: 6px; margin-right: 4px; vertical-align: middle; }

/* ── CHINA BENCHMARK ── */
.china-benchmark-row {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed rgba(196, 154, 60, 0.3);
}

.china-benchmark-label {
  font-size: 9px;
  color: var(--accent);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 600;
}

.rank-item.rank-china {
  cursor: pointer;
  background: var(--accent-dim);
  margin: 0 -16px;
  padding: 4px 16px;
  border-bottom: 1px solid rgba(196, 154, 60, 0.1);
  transition: background 0.15s;
}

.rank-item.rank-china:hover { background: rgba(196, 154, 60, 0.12); }
.rank-item.rank-china .rank-name { color: var(--accent); font-weight: 500; }
.rank-item.rank-china .rank-pos { color: var(--accent); opacity: 0.6; }

.china-context {
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.5px;
  margin-top: 2px;
}

/* China compare in info panel */
.china-compare {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px dashed rgba(196, 154, 60, 0.3);
}

.china-compare-header {
  font-size: 9px;
  color: var(--accent);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 600;
}

.china-delta-row { border-bottom: none !important; padding: 1px 0 !important; }

.china-delta {
  font-weight: 600;
  font-size: 12px;
  min-width: 30px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.3px;
}

.china-compare-net {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0 0;
  margin-top: 4px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* China thesis in info panel */
.china-thesis {
  margin-top: 8px;
  padding: 6px 8px;
  background: var(--accent-dim);
  font-size: 10px;
  color: var(--text-2);
  line-height: 1.5;
  border-left: 2px solid var(--accent);
}

.china-asia-note {
  margin-top: 4px;
  padding: 4px 8px;
  font-size: 10px;
  color: var(--green);
  line-height: 1.4;
  border-left: 2px solid var(--green);
  background: rgba(80, 128, 80, 0.07);
}

/* China summary sidebar section */
.china-summary-score {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 2px;
}

.china-summary-rank {
  font-size: 12px;
  color: var(--text-2);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.china-summary-ctx {
  font-size: 10px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}

.china-summary-delta {
  font-size: 12px;
  color: var(--red);
  margin-bottom: 8px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.china-param-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  margin-bottom: 8px;
}

.china-param-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 2px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  font-size: 12px;
}

.china-param-label {
  font-size: 9px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1px;
}

.china-thesis-box {
  padding: 6px 8px;
  background: var(--accent-dim);
  font-size: 10px;
  color: var(--text-2);
  line-height: 1.5;
  border-left: 2px solid var(--accent);
}

.china-asia-box {
  margin-top: 4px;
  padding: 4px 8px;
  font-size: 10px;
  color: var(--green);
  line-height: 1.4;
  border-left: 2px solid var(--green);
  background: rgba(80, 128, 80, 0.07);
}

/* ── CHINA MAP LABEL ── */
.china-map-label .label-rank {
  color: var(--accent) !important;
}

/* ── ESTIMATE DISCLAIMER ── */
#estimate-disclaimer {
  display: none;
  position: absolute;
  bottom: 56px;
  left: 16px;
  z-index: 1000;
  background: rgba(14, 16, 23, 0.92);
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  font-size: 10px;
  color: var(--text-3);
  letter-spacing: 0.5px;
  backdrop-filter: blur(12px);
  max-width: 320px;
  line-height: 1.4;
}

/* ── ANIMATIONS ── */
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.section { animation: fadeSlideIn 0.4s ease both; }
.section:nth-child(2) { animation-delay: 0.06s; }
.section:nth-child(3) { animation-delay: 0.12s; }

/* ── FLOATING BACK BUTTON ── */
#map-back-btn {
  display: none;
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1001;
  padding: 12px 28px;
  background: rgba(14, 16, 23, 0.95);
  color: var(--accent);
  border: 2px solid var(--accent);
  font: 600 11px/1 var(--font);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 16px rgba(0,0,0,0.5);
}

#map-back-btn:hover {
  background: rgba(196, 154, 60, 0.2);
  box-shadow: 0 0 20px var(--accent-glow), 0 2px 16px rgba(0,0,0,0.5);
}

/* ── STATE LABELS ── */
.state-label {
  font: 600 11px/1 var(--font);
  color: #fff;
  text-align: center;
  white-space: nowrap;
  text-shadow: 0 0 4px rgba(0,0,0,0.9), 0 0 8px rgba(0,0,0,0.7), 1px 1px 2px rgba(0,0,0,0.9);
  pointer-events: none;
}

.state-label .label-rank {
  color: var(--accent);
  font-weight: 600;
}

.state-label .label-score {
  color: var(--text-0);
  font-weight: 400;
  margin-left: 2px;
}

/* ── SIDEBAR TOGGLE ── */
#sidebar-toggle {
  width: 20px;
  min-width: 20px;
  background: var(--bg-2);
  border: none;
  border-right: 1px solid var(--border);
  border-left: 1px solid var(--border);
  color: var(--text-3);
  font: 400 12px/1 var(--font);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s;
  padding: 0;
}

#sidebar-toggle:hover {
  color: var(--text-1);
  background: var(--bg-3);
}

/* ── SIDEBAR COLLAPSE ── */
#controls {
  transition: width 0.3s ease, min-width 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
}

#controls.collapsed {
  width: 0;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: none;
  opacity: 0;
}

/* ── REGION TOGGLE ── */
#region-toggle {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.region-btn {
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-3);
  font: 500 10px/1 var(--font);
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.region-btn:hover {
  color: var(--text-1);
  border-color: var(--border-h);
}

.region-btn.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ── MOBILE OVERLAY BACKDROP ── */
#sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
}

/* ══════════════════════════════════════════
   RESPONSIVE – TABLET (≤ 900px)
   ══════════════════════════════════════════ */
@media (max-width: 900px) {
  #header p { display: none; }

  #controls {
    width: 240px;
    min-width: 240px;
  }
}

/* ══════════════════════════════════════════
   RESPONSIVE – MOBILE (≤ 640px)
   ══════════════════════════════════════════ */
@media (max-width: 640px) {
  /* Header */
  #header {
    padding: 8px 12px;
    gap: 8px;
  }

  #header h1 { font-size: 10px; letter-spacing: 2px; }

  .region-btn { padding: 4px 8px; font-size: 7px; }

  /* Sidebar as overlay */
  #controls {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    min-width: 280px;
    height: 100vh;
    z-index: 2000;
    transform: translateX(-100%);
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 1;
    border-right: 1px solid var(--border);
  }

  #controls.mobile-open {
    transform: translateX(0);
  }

  /* Override desktop collapsed state on mobile */
  #controls.collapsed {
    width: 280px;
    min-width: 280px;
    opacity: 1;
    border-right: 1px solid var(--border);
    padding: 0;
    transform: translateX(-100%);
  }

  #controls.collapsed.mobile-open {
    transform: translateX(0);
    overflow-y: auto;
  }

  #sidebar-overlay.visible {
    display: block;
  }

  /* Hide desktop toggle, show hamburger */
  #sidebar-toggle { display: none; }

  #mobile-menu-btn {
    display: flex !important;
  }

  /* Map fills full width */
  #map-container { width: 100%; }

  /* Floating panels – adapt sizing */
  #info-panel {
    top: auto;
    bottom: 40px;
    left: 8px;
    right: 8px;
    max-width: none;
    min-width: 0;
    max-height: 45vh;
    overflow-y: auto;
  }

  #legend {
    bottom: 8px;
    right: 8px;
    min-width: 140px;
    padding: 8px 10px;
  }

  #overlay-controls {
    top: 8px;
    left: 8px;
    padding: 6px 10px;
    font-size: 9px;
  }

  #map-back-btn {
    padding: 10px 20px;
    font-size: 10px;
    top: 8px;
  }

  /* Larger touch targets for sliders */
  input[type="range"] { height: 3px; }

  input[type="range"]::-webkit-slider-thumb {
    width: 14px;
    height: 14px;
  }

  input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
  }

  /* Larger touch targets for checkboxes */
  #overlay-controls input[type="checkbox"] {
    width: 14px;
    height: 14px;
  }

  #overlay-controls label {
    padding: 4px 0;
  }

  /* Rank items – more touch padding */
  .rank-item { padding: 6px 0; }

  /* Drill prompt always visible (no hover on mobile) */
  .rank-drill { opacity: 0.6; }
}

/* ══════════════════════════════════════════
   RESPONSIVE – SMALL MOBILE (≤ 380px)
   ══════════════════════════════════════════ */
@media (max-width: 380px) {
  #controls {
    width: 100vw;
    min-width: 100vw;
  }

  #controls.collapsed {
    width: 100vw;
    min-width: 100vw;
  }

  #header h1 { font-size: 9px; letter-spacing: 1.5px; }

  .region-btn { padding: 3px 6px; }
}