/* Steem API Monitor — Phase 4 dashboard.
   Shares the steemapps.com design language: dark background, lime accent,
   Inter Tight (body / UI) and Fraunces (display numbers). Mobile-first,
   breakpoint at 600 px collapses the node grid to a single column. */

:root {
  /* Dark theme — default. Identical to the palette shipped before the
     theme switch landed, so a user without a stored preference keeps the
     exact visual they already knew. */
  --bg:           #0a0a0a;
  --bg-raised:   #141414;
  --bg-card:     #181818;
  --bg-card-hover: #1f1f1f;
  --border:      #262626;
  --text:        #ededed;
  --text-muted:  #8c8c8c;
  --text-dim:    #5e5e5e;

  --accent:      #b7e34a;       /* lime */
  --accent-dim:  #4c5a20;

  --status-ok:   #5eea88;
  --status-deg:  #e8c34a;
  --status-down: #ef6a6a;
  --status-unknown: #4b4b4b;

  --chart-grid:  #1e1e1e;
  --chart-tick:  #8c8c8c;

  --radius:      10px;
  --radius-sm:   6px;

  --mono:        ui-monospace, "SF Mono", SFMono-Regular, Menlo, Monaco, monospace;
  --display:     "Fraunces", Georgia, serif;
  --body:        "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

[data-theme="light"] {
  /* Light theme — picked for WCAG-AA on the body text and for accent
     readability on white. The lime becomes olive (#5a7d0f) so it still
     stands out against a paper background without losing brand feel. */
  --bg:           #fafafa;
  --bg-raised:   #ffffff;
  --bg-card:     #ffffff;
  --bg-card-hover: #f2f2f2;
  --border:      #e2e2e2;
  --text:        #1a1a1a;
  --text-muted:  #555555;
  --text-dim:    #8a8a8a;

  --accent:      #5a7d0f;
  --accent-dim:  #e4f0c9;

  --status-ok:   #1f8a45;
  --status-deg:  #bd8e1a;
  --status-down: #c9443f;
  --status-unknown: #b8b8b8;

  --chart-grid:  #ececec;
  --chart-tick:  #666666;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */

.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
}
.site-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 24px;
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  width: 10px;
  height: 40px;
  background: var(--accent);
  border-radius: 2px;
}
.brand-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.brand-tagline {
  color: var(--text-muted);
  font-size: 13px;
}
.meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--text-muted);
}
.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  min-width: 220px;
}
.meta-label { color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; font-size: 11px; }
.meta-value { font-family: var(--mono); color: var(--text); font-size: 12px; }

/* ---------- Main ---------- */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

.section-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 18px;
  margin: 0 0 16px;
  color: var(--text-muted);
}

.loading {
  color: var(--text-muted);
  padding: 32px 0;
}

/* ---------- Node cards ---------- */

.node-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background 120ms ease, border-color 120ms ease;
}
.node-card:hover {
  background: var(--bg-card-hover);
  border-color: #323232;
}

.node-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.node-url {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}
.node-region {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.status-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-unknown);
}
.status-pill[data-status="ok"]       .dot { background: var(--status-ok); }
.status-pill[data-status="degraded"] .dot { background: var(--status-deg); }
.status-pill[data-status="down"]     .dot { background: var(--status-down); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.stat {
  min-width: 0;
}
.stat-label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-value {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.15;
  margin-top: 2px;
}
.stat-value.muted { color: var(--text-muted); }
.stat-unit {
  font-family: var(--body);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 2px;
}

.spark-wrap {
  height: 56px;
  position: relative;
}

.reasons {
  font-size: 12px;
  color: var(--text-muted);
  padding-top: 4px;
  border-top: 1px solid var(--border);
}
.reasons .label {
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 10px;
  display: block;
  margin-bottom: 4px;
}
.reasons ul { margin: 0; padding-left: 18px; }

/* ---------- Footnote ---------- */

.footnote {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- Error banner ---------- */

.error-banner {
  background: rgba(239, 106, 106, 0.08);
  border: 1px solid rgba(239, 106, 106, 0.3);
  color: var(--status-down);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
}

/* ---------- Filter + sort controls (Phase 6) ---------- */

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.match-count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 13px;
}

.ctrl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ctrl label {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.06em;
}

.ctrl-label {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.06em;
}

.ctrl select,
.ctrl input[type=range] {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font: inherit;
}

.ctrl input[type=range] { padding: 0; width: 110px; vertical-align: middle; }
.score-val {
  font-family: var(--mono);
  color: var(--accent);
  min-width: 2ch;
  text-align: right;
}

.ctrl-status label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-transform: none;
  font-size: 13px;
  letter-spacing: 0;
  color: var(--text);
}

.ctrl-status input[type=checkbox] { accent-color: var(--accent); }

.sort-dir {
  background: var(--bg-card);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font: inherit;
  cursor: pointer;
}
.sort-dir:hover { background: var(--bg-card-hover); }

.reset-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font: inherit;
  cursor: pointer;
  margin-left: auto;
}
.reset-btn:hover { color: var(--text); border-color: var(--accent-dim); }

/* ---------- Detail page (Phase 6 Etappe 2) ---------- */

.back-link {
  display: inline-block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  padding: 4px 8px 4px 0;
  margin-right: 14px;
  transition: color 120ms ease;
}
.back-link:hover { color: var(--accent); }

.brand-tagline .sep { color: var(--text-dim); margin: 0 8px; }
.status-pill .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 6px; }

.meta-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.range-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-raised);
}
.range-toggle button {
  background: transparent;
  color: var(--text-muted);
  border: 0;
  padding: 6px 14px;
  font: inherit;
  cursor: pointer;
  font-size: 13px;
}
.range-toggle button + button { border-left: 1px solid var(--border); }
.range-toggle button.active {
  background: var(--accent-dim);
  color: var(--accent);
}
.range-toggle button:hover:not(.active) { color: var(--text); }

.share-btn {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.share-btn:hover { color: var(--accent); border-color: var(--accent-dim); }

.detail-section {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.detail-section:last-child { border-bottom: 0; }

.section-sub {
  color: var(--text-dim);
  font-size: 13px;
}

.chart-wrap.tall { height: 320px; }
.chart-wrap { position: relative; height: 200px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; }

/* Compare picker */
.compare-controls {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: relative;
}
.compare-wrap { position: relative; }
.compare-toggle {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.compare-toggle:hover { color: var(--text); border-color: var(--accent-dim); }
.compare-picker {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  min-width: 260px;
  z-index: 10;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.compare-option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  font-size: 13px;
  cursor: pointer;
}
.compare-option input[type=checkbox] { accent-color: var(--accent); }
.compare-option .muted { color: var(--text-dim); }

.compare-legend {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
}
.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
}
.chip-swatch {
  display: inline-block;
  width: 14px;
  height: 4px;
  border-radius: 2px;
}
.chip-swatch.small { width: 10px; height: 3px; }

/* Data tables */
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table thead th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 11px;
  border-bottom: 1px solid var(--border);
}
.data-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
}
.data-table tbody tr:hover { background: var(--bg-card); }
.data-table td.muted { color: var(--text-dim); }
.data-table td.loading { color: var(--text-dim); text-align: center; }

/* Uptime calendar */
.uptime-calendar {
  display: grid;
  grid-template-columns: repeat(30, minmax(18px, 1fr));
  gap: 3px;
  margin-top: 4px;
  margin-bottom: 12px;
}
.cal-cell {
  aspect-ratio: 1;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: default;
}
.cal-cell.green  { background: var(--status-ok); }
.cal-cell.yellow { background: var(--status-deg); }
.cal-cell.red    { background: var(--status-down); }
.cal-cell.grey   { background: var(--status-unknown); }

.calendar-legend {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.calendar-legend .ck {
  display: inline-block;
  width: 12px; height: 12px;
  border-radius: 3px;
  margin-right: 4px;
  vertical-align: -2px;
}
.calendar-legend .ck.green  { background: var(--status-ok); }
.calendar-legend .ck.yellow { background: var(--status-deg); }
.calendar-legend .ck.red    { background: var(--status-down); }
.calendar-legend .ck.grey   { background: var(--status-unknown); }

/* Severity pills */
.sev-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: 0.06em;
}
.sev-short { background: rgba(232, 195, 74, 0.15); color: var(--status-deg); }
.sev-real  { background: rgba(239, 106, 106, 0.15); color: var(--status-down); }

/* Make the whole card clickable but keep colours */
a.node-card {
  color: inherit;
  text-decoration: none;
  display: block;
}
a.node-card:hover { border-color: var(--accent-dim); }

/* ---------- Stats page (Phase 6 Etappe 3) ---------- */

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

/* Top-right toolbar: auto-refresh select + theme toggle. Identical on
   every page so the controls "feel" like part of the browser chrome. */
.toolbar {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.toolbar-btn,
.toolbar-select {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  min-height: 30px;
}
.toolbar-btn:hover,
.toolbar-select:hover { color: var(--accent); border-color: var(--accent-dim); }
.toolbar-select { padding: 4px 6px; }

.nav-links {
  display: inline-flex;
  gap: 18px;
  align-items: center;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); border-bottom-color: var(--accent); }

.stats-section {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.stats-section:last-child { border-bottom: 0; }

.rankings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.ranking-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px 14px;
}
.ranking-card h3 {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 2px;
}
.card-sub {
  color: var(--text-dim);
  font-size: 12px;
  margin: 0 0 12px;
}
.ranking-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ranking-list li {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 13px;
  border-top: 1px dashed var(--border);
}
.ranking-list li:first-child { border-top: 0; }
.ranking-list .rank { color: var(--text-dim); }
.ranking-list .rank-name { color: var(--text); }
.ranking-list .rank-value { color: var(--accent); text-align: right; }
.ranking-list li.loading { color: var(--text-dim); text-align: center; }

/* Day-comparison table */
.compare-table .group-head {
  text-align: center !important;
  border-left: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px !important;
}
.compare-table tbody td { font-size: 12px; }
.trend-val { margin-right: 6px; }
.trend-arrow {
  display: inline-block;
  font-weight: bold;
  font-size: 13px;
  width: 1em;
  text-align: center;
}
.trend-arrow.better { color: var(--status-ok); }
.trend-arrow.worse { color: var(--status-down); }
.trend-arrow.flat { color: var(--text-dim); }

.inline-link { color: var(--accent); text-decoration: none; }
.inline-link:hover { text-decoration: underline; }

/* ---------- Regions / map (Phase 6 Etappe 4) ---------- */

.region-map {
  width: 100%;
  height: 520px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

/* Leaflet imposes white attribution/control backgrounds — force dark variants
   so the map chrome doesn't clash with the rest of the dashboard. */
.leaflet-container {
  background: var(--bg-card) !important;
  font-family: var(--body);
}
.leaflet-control-attribution,
.leaflet-control-zoom a {
  background: rgba(20, 20, 20, 0.85) !important;
  color: var(--text-muted) !important;
  border-color: var(--border) !important;
}
.leaflet-control-zoom a {
  border-bottom: 1px solid var(--border) !important;
}
.leaflet-control-attribution a { color: var(--accent) !important; }

/* Popup styling */
.region-popup .leaflet-popup-content-wrapper {
  background: var(--bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
}
.region-popup .leaflet-popup-tip { background: var(--bg-raised); border: 1px solid var(--border); }
.region-popup .leaflet-popup-content { margin: 10px 12px; font-size: 13px; }
.popup-region { font-weight: 600; font-size: 14px; color: var(--text); }
.popup-sub { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.popup-status[data-status=ok] { color: var(--status-ok); }
.popup-status[data-status=warning], .popup-status[data-status=critical] { color: var(--status-deg); }
.popup-status[data-status=down] { color: var(--status-down); }
.popup-status[data-status=unknown] { color: var(--text-dim); }
.popup-nodes {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--mono); font-size: 12px;
}
.popup-nodes li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  padding: 3px 0;
  border-top: 1px dashed var(--border);
}
.popup-nodes li:first-child { border-top: 0; }
.popup-node { color: var(--accent); text-decoration: none; }
.popup-node:hover { text-decoration: underline; }
.popup-lat { color: var(--text); }
.popup-up  { color: var(--text-muted); }

/* Outage-log export controls */
.ctrl-export {
  margin-left: auto;
  gap: 6px;
}
.ctrl-export .share-btn {
  padding: 5px 10px;
  font-size: 12px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

/* Status-pill in the regional aggregate table (smaller variant) */
.status-pill.small {
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  border-radius: 10px;
  font-family: var(--mono);
  border: 1px solid var(--border);
}
.status-pill.small[data-status=ok]      { color: var(--status-ok); border-color: rgba(94,234,136,0.3); }
.status-pill.small[data-status=warning] { color: var(--status-deg); border-color: rgba(232,195,74,0.3); }
.status-pill.small[data-status=critical]{ color: var(--status-deg); border-color: rgba(232,195,74,0.3); }
.status-pill.small[data-status=down]    { color: var(--status-down); border-color: rgba(239,106,106,0.3); }
.status-pill.small[data-status=unknown] { color: var(--text-dim); }
.status-pill.small .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; margin-right: 6px;
}

/* ---------- Mobile ---------- */

/* ---------- Tablet (≤ 768 px) ---------- */
@media (max-width: 768px) {
  .site-inner {
    padding: 20px 16px;
    /* Stack header vertically so the toolbar + nav always stay on one
       line below the brand block. */
    flex-direction: column;
    align-items: flex-start;
  }
  .header-right {
    width: 100%;
    align-items: flex-start;
  }
  .container { padding: 24px 16px 48px; }
  .meta { width: 100%; }
  .node-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-value { font-size: 20px; }
  .brand-title { font-size: 18px; }
  .brand-tagline { font-size: 12px; }

  .controls {
    gap: 10px 14px;
    padding: 12px;
    /* Keep the control panel scannable — one row per ctrl becomes the
       norm on tablet width. */
  }
  .reset-btn { margin-left: 0; }
  .ctrl-export { margin-left: 0; }

  .uptime-calendar { grid-template-columns: repeat(15, 1fr); }
  .chart-wrap.tall { height: 280px; }
  .compare-picker { left: 0; right: auto; }

  .rankings-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 12px; flex-wrap: wrap; }
  .compare-table { font-size: 12px; }

  /* Touch-friendly tap targets on tablet + phone. */
  .range-toggle button,
  .toolbar-btn,
  .share-btn,
  .reset-btn,
  .sort-dir,
  .compare-toggle,
  .ctrl-export a {
    min-height: 40px;
    padding-top: 8px;
    padding-bottom: 8px;
  }
}

/* ---------- Phone (≤ 480 px) ---------- */
@media (max-width: 480px) {
  .rankings-grid { grid-template-columns: 1fr; }
  .uptime-calendar { grid-template-columns: repeat(10, 1fr); }
  .chart-wrap.tall { height: 220px; }
  .chart-wrap { height: 160px; }

  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .brand-title { font-size: 16px; }

  /* Collapsible filter panel: gets a details/summary-like affordance.
     We do the actual toggle in JS on outages.html; this rule handles
     the purely visual "compact on phone" side of things. */
  .controls {
    flex-direction: column;
    align-items: stretch;
  }
  .ctrl {
    justify-content: space-between;
    width: 100%;
  }
  .ctrl select,
  .ctrl input[type=range] {
    width: 100%;
  }

  .data-table { font-size: 11px; }
  .data-table thead th,
  .data-table tbody td { padding: 8px 6px; }

  .region-map { height: 340px; }

  /* A touch larger on phones — Apple HIG recommends 44 px minimum. */
  .range-toggle button,
  .toolbar-btn,
  .share-btn,
  .reset-btn,
  .sort-dir,
  .compare-toggle,
  .ctrl-export a {
    min-height: 44px;
  }
}