/* Follow the shared site's system color scheme; no planner-specific override. */
.balloon-shell {
  color-scheme: inherit;
  --surface: light-dark(#fff, #18212d);
  --surface-muted: light-dark(#f4f6f9, #111a25);
  --surface-accent: light-dark(#edf3ff, #253650);
  --overlay: light-dark(#fffffff5, #18212df5);
  --ink: light-dark(#202b3a, #edf2f8);
  --muted: light-dark(#5d6b7c, #acb8c8);
  --line: light-dark(#dce2e9, #3b485a);
  --accent: light-dark(#285bb5, #9ac0ff);
  --on-accent: light-dark(#fff, #15243c);
  --up: light-dark(#285bb5, #9ac0ff);
  --down: light-dark(#b95724, #f5b07f);
  --warning-surface: light-dark(#fff6e6, #3c3020);
  --warning-ink: light-dark(#795016, #f0ce91);
  background: var(--surface-muted);
  color: var(--ink);
}
.balloon-shell .header { background: var(--surface); border-bottom: 1px solid var(--line); backdrop-filter: none; }
.balloon-shell .nav { max-width: 1600px; font-size: 13px; padding: 10px 24px; }
.balloon-shell .main { max-width: 1600px; padding: 0 24px 24px; }
.balloon-shell .footer { max-width: 1552px; font-size: 12px; color: var(--muted); padding-top: 10px; }
.balloon { scroll-margin-top: 44px; }
.balloon [hidden] { display: none !important; }
.balloon-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; }
.balloon-heading h1 { font-size: 25px; letter-spacing: -.045em; line-height: 1.2; font-weight: 650; margin: 0; }
.balloon-heading p { color: var(--muted); font-size: 12px; margin: 5px 0 0; }
.balloon-preferences { display: flex; gap: 10px; }
.balloon button, .balloon select, .balloon input { font: inherit; color: inherit; }
.balloon button, .balloon select, .balloon summary { cursor: pointer; }
.balloon button { min-height: 40px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 3px; background: var(--surface); font-size: 12px; font-weight: 550; }
.balloon button:hover:enabled { border-color: var(--accent); background: var(--surface-accent); }
.balloon :focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.balloon button:disabled { opacity: .5; cursor: default; }
.balloon input:not([type="checkbox"]):not([type="range"]), .balloon select { display: block; width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 3px; padding: 9px 10px; background: var(--surface); font-size: 13px; min-height: 40px; }
.balloon input:disabled, .balloon input[readonly] { color: var(--muted); background: var(--surface-muted); }
.balloon input[type="checkbox"], .balloon input[type="range"] { accent-color: var(--accent); }
.balloon input[type="checkbox"] { width: 17px; height: 17px; flex: 0 0 auto; }
.balloon label { font-size: 12px; }
.balloon-preferences label { font-size: 10px; color: var(--muted); }
.balloon .balloon-preferences select { min-height: 34px; padding: 5px 24px 5px 8px; margin-top: 3px; font-size: 12px; color: var(--ink); }
.balloon-modes { display: flex; gap: 6px; }
.balloon .balloon-modes button { border: 0; border-radius: 0; border-bottom: 2px solid transparent; background: none; padding: 12px 18px; font-size: 13px; }
.balloon button[aria-pressed="true"] { color: var(--accent); background: var(--surface-accent); border-color: var(--accent); }
.balloon .balloon-modes button[aria-pressed="true"] { background: none; border-bottom-color: var(--accent); }
.balloon-mobile-views { display: none; }
.balloon-workspace { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 0; align-items: start; background: var(--surface); border: 1px solid var(--line); }
.balloon-panel { position: sticky; top: calc(var(--site-header-offset, 40px) + 16px); max-height: calc(100dvh - 170px); display: flex; flex-direction: column; min-width: 0; background: var(--surface); }
.balloon-panel-scroll { min-height: 0; overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.balloon-section { padding: 22px; }
.balloon-panel form .balloon-section { border-top: 1px solid var(--line); }
.balloon h2 { font-size: 15px; font-weight: 650; letter-spacing: -.02em; margin: 0 0 18px; }
.balloon-step { color: var(--muted); margin-right: 8px; font: 11px ui-monospace, monospace; }
.balloon-search { display: flex; gap: 6px; }
.balloon-search input { flex: 1; }
.balloon-search-results { display: grid; gap: 4px; margin-top: 5px; }
.balloon-search-results:empty { display: none; }
.balloon-search-results button { text-align: left; font-weight: 400; }
.balloon .balloon-note { margin: 8px 0 0; font-size: 12px; line-height: 1.55; color: var(--muted); }
.balloon-note:empty { display: none; }
.balloon a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
#choose-map { display: none; }
.balloon-location-actions { display: flex; gap: 6px; margin-top: 10px; }
.balloon-location-actions button { flex: 1; font-size: 11px; padding: 7px; }
.balloon-location-name { font-size: 13px; font-weight: 550; margin: 18px 0 9px; overflow-wrap: anywhere; }
.balloon-coordinates { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 5px; margin-top: 14px; }
.balloon-coordinates label { color: var(--muted); font-size: 11px; }
.balloon .balloon-coordinates input { font-size: 12px; padding: 8px 5px; margin-top: 5px; }
.balloon-elevation { display: flex; justify-content: space-between; font-size: 12px; margin-top: 12px; gap: 12px; }
.balloon-elevation strong { font-weight: 600; font-variant-numeric: tabular-nums; }
.balloon-saved { display: flex; gap: 5px; margin-top: 15px; }
.balloon .balloon-saved select { font-size: 12px; flex: 1; }
.balloon-time-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; }
.balloon .balloon-time-heading select { width: auto; font-size: 11px; border: none; min-height: 32px; padding: 4px 0; }
.balloon-field { display: block; margin-top: 14px; }
.balloon-field input, .balloon-field select, .balloon-fields input, .balloon-fields select { margin-top: 5px; }
.balloon label span[data-altitude-unit], .balloon label span[data-rate-unit], #float-field > span { color: var(--muted); font-size: 11px; float: right; }
.balloon-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; align-items: end; }
.balloon-fields > label { min-width: 0; }
.balloon summary { font-size: 12px; padding: 5px 0; color: var(--ink); }
.balloon-advanced { margin-top: 14px; font-size: 12px; color: var(--muted); }
.balloon-check { display: flex; gap: 8px; align-items: center; margin-top: 12px; color: var(--ink); }
.balloon-action-dock { border-top: 1px solid var(--line); padding: 14px 20px; background: var(--surface); }
.balloon .balloon-primary { width: 100%; display: flex; justify-content: space-between; align-items: center; min-height: 44px; background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-size: 13px; padding: 10px 14px; }
.balloon .balloon-primary:hover:enabled { background: var(--accent); filter: brightness(.92); }
.balloon .balloon-cancel { width: 100%; margin-top: 6px; }
.balloon-visual { min-width: 0; border-left: 1px solid var(--line); }
.balloon-map-wrap { position: relative; height: clamp(350px, 42vh, 500px); overflow: hidden; background: #e9edf0; border-bottom: 1px solid var(--line); }
.balloon:not(.has-result) .balloon-map-wrap { height: clamp(400px, 60vh, 650px); }
#balloon-map { height: 100%; width: 100%; scroll-margin-top: 64px; }
.balloon-map-top { position: absolute; left: 16px; right: 16px; top: 16px; pointer-events: none; }
.balloon-map-top span { display: block; position: relative; left: 50%; transform: translateX(-50%); width: max-content; max-width: calc(100% - 176px); text-align: center; background: var(--overlay); border: 1px solid var(--line); padding: 10px 12px; border-radius: 3px; font-size: 12px; }
.balloon-map-top button { position: absolute; right: 0; top: 0; pointer-events: auto; background: var(--overlay); }
.balloon .balloon-map-predict { position: absolute; bottom: 90px; left: 50%; transform: translateX(-50%); padding: 11px 22px; min-height: 44px; background: var(--accent); color: var(--on-accent); border-color: var(--accent); box-shadow: 0 2px 8px #15243c30; }
.balloon .balloon-map-predict:hover:enabled { background: var(--accent); filter: brightness(1.08); }
.balloon-map-wrap .maplibregl-ctrl-top-right { top: 66px; }
.balloon-map-wrap .maplibregl-ctrl { color-scheme: light; color: #202b3a; }
.balloon-map-wrap .maplibregl-ctrl-attrib { font-size: 10px; }
.balloon-legend { position: absolute; bottom: 34px; left: 16px; right: 55px; width: fit-content; max-width: calc(100% - 71px); background: var(--overlay); border: 1px solid var(--line); border-radius: 3px; display: flex; flex-wrap: wrap; padding: 8px 10px; gap: 8px 14px; font-size: 11px; }
.balloon-legend > span { display: flex; gap: 5px; align-items: center; }
.balloon-legend i { width: 16px; height: 3px; background: var(--up); }
.balloon-legend .descent { height: 0; background: none; border-top: 3px solid var(--down); }
.balloon-legend .comparison { height: 0; background: none; border-top: 2px dashed #7778a1; }
.balloon-legend .gps { background: light-dark(#6543a5, #c4aff0); }
.balloon-legend .updated { height: 0; background: none; border-top: 3px dashed light-dark(#a32ca3, #e2a1e2); }
.balloon-legend .uncertainty { background: #7560b7; opacity: .6; }
.balloon-marker { height: 26px; width: 26px; display: grid; place-items: center; border: 3px solid #fff; box-shadow: 0 1px 5px #172c2b60; background: #285bb5; color: #fff; border-radius: 50%; font: 600 10px system-ui; }
.balloon-marker--peak { background: #fff; color: #654b32; border-color: #654b32; }
.balloon-marker--end { background: #b95724; }
.balloon-marker--cursor { height: 14px; width: 14px; background: #202b3a; border-width: 2px; }
.balloon-marker--gps { background: #6543a5; }
.balloon-marker--updated { background: #a32ca3; }
.balloon-map-error { position: absolute; bottom: 85px; left: 15px; right: 15px; padding: 12px; background: var(--warning-surface); color: var(--warning-ink); font-size: 12px; }
.balloon-empty { display: flex; gap: 18px; align-items: center; padding: 28px; }
.balloon-empty svg { width: 28px; height: 44px; flex-shrink: 0; fill: none; stroke: var(--accent); stroke-width: 1.4; }
.balloon-empty h2 { margin: 0 0 5px; font-size: 17px; }
.balloon-empty p { margin: 0; font-size: 13px; color: var(--muted); }
.balloon-result-summary { padding: 20px 24px 14px; border-bottom: 1px solid var(--line); }
.balloon-result-summary:focus { outline: none; }
.balloon-result-heading { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.balloon-result-heading h2 { margin: 0; font-size: 12px; color: var(--muted); font-weight: 500; }
#result-badge { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.balloon-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 14px 0; }
.balloon-metrics > div { padding: 0 18px; border-left: 1px solid var(--line); }
.balloon-metrics > div:first-child { padding-left: 0; border-left: none; }
.balloon-metrics span, .balloon-metrics small { display: block; color: var(--muted); font-size: 11px; }
.balloon-metrics strong { display: block; font-size: clamp(21px, 2.2vw, 30px); line-height: 1.5; letter-spacing: -.045em; font-weight: 550; font-variant-numeric: tabular-nums; }
.balloon-landing { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 12px; border-top: 1px solid var(--line); }
.balloon-landing span { color: var(--muted); font-size: 11px; }
.balloon-landing strong { display: block; font: 12px/1.8 ui-monospace, monospace; }
.balloon-landing a { font-size: 12px; white-space: nowrap; }
.balloon #model-info { font-size: 10px; margin-top: 8px; }
.balloon-result { padding: 20px 24px; }
#flight-chart { display: block; width: 100%; margin-top: 8px; overflow: visible; touch-action: pan-y; }
#flight-chart text { fill: var(--muted); font: 10px system-ui; }
#timeline { display: block; width: 100%; margin: 0; min-height: 34px; cursor: ew-resize; }
.balloon-scrub { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; padding-bottom: 16px; }
.balloon-scrub strong { color: var(--accent); }
.balloon-result-detail, .balloon-compare { border-top: 1px solid var(--line); padding: 12px 0; font-size: 12px; }
.balloon-result-detail > summary, .balloon-compare > summary { font-weight: 550; }
.balloon-result-actions { display: flex; gap: 6px; margin: 10px 0 16px; flex-wrap: wrap; }
.balloon .balloon-result-actions select { width: auto; font-size: 12px; }
.balloon-share-link { margin: 12px 0; }
.balloon-share-link input { margin-top: 5px; }
.balloon-compare-actions { display: flex; gap: 6px; margin-top: 10px; }
.balloon-compare-actions select { flex: 1; }
.balloon-comparison-row { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.balloon-comparison-row small { display: block; color: var(--muted); }
.balloon .balloon-message { padding: 10px 12px; background: var(--warning-surface); border-left: 3px solid #b88322; font-size: 12px; color: var(--warning-ink); }
.balloon-equipment { margin: 18px 0 14px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
#equipment-fields { margin-top: 16px; }
#equipment-fields > summary { font-weight: 600; }
.balloon-equipment-compact { display: block; font-size: 12px; color: var(--muted); font-weight: 400; margin: 6px 0 0; line-height: 1.6; }
.balloon-edit-label { display: inline-block; color: var(--accent); margin-top: 5px; font-size: 11px; font-weight: 500; text-decoration: underline; }
#equipment-fields[open] .balloon-edit-label { display: none; }
.balloon-sizing-summary { padding: 10px 0; margin: 12px 0 0; border-top: 1px solid var(--line); color: var(--accent); font-size: 12px; line-height: 1.6; }
.balloon-sizing-summary:empty { display: none; }
.balloon .balloon-input-error, #track-error { color: light-dark(#943d1f, #ffb497); }
#derived-rates-note { margin-bottom: 8px; }
.balloon-wind { padding: 14px 0 0; }
.balloon-wind-heading { display: grid; gap: 6px; margin-bottom: 8px; }
.balloon-wind h3 { margin: 0; font-size: 12px; color: var(--muted); font-weight: 500; }
.balloon-wind-heading time { color: var(--ink); font-size: clamp(18px, 2vw, 24px); font-weight: 600; line-height: 1.4; font-variant-numeric: tabular-nums; }
.balloon-wind-context { display: flex; flex-wrap: wrap; gap: 4px 20px; color: var(--muted); font-size: 12px; }
.balloon-wind-source time { display: block; color: var(--muted); font-size: 11px; margin-top: 4px; }
.balloon-wind-explanation { margin-top: 14px; }
.balloon-wind-explanation summary { font-size: 12px; }
.balloon-wind h4 { margin: 22px 0 6px; font-size: 13px; }
.balloon-wind-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 16px; }
.balloon-wind-metrics > div { padding-left: 12px; border-left: 2px solid var(--line); }
.balloon-wind-metrics span, .balloon-wind-metrics small { display: block; font-size: 11px; color: var(--muted); }
.balloon-wind-metrics strong { display: block; margin: 6px 0; font-size: 22px; font-weight: 600; }
.balloon-wind-table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 12px; }
.balloon-wind-table th, .balloon-wind-table td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; font-weight: 400; }
.balloon-wind-table th:first-child { padding-left: 0; width: 34%; }
.balloon-wind-table thead th { color: var(--muted); font-size: 11px; }
.balloon-wind-table td:nth-child(2) { color: var(--accent); white-space: nowrap; font-weight: 600; }
.balloon .balloon-wind-source { margin-top: 16px; }
.balloon-help { max-width: 1040px; background: var(--surface); padding: 32px; border: 1px solid var(--line); }
.balloon-help > h2 { font-size: 24px; margin-bottom: 8px; }
.balloon-help-intro { font-size: 15px; color: var(--muted); max-width: 62ch; }
.balloon-wind-guide { margin: 28px 0; padding-top: 24px; border-top: 1px solid var(--line); }
.balloon-wind-guide h2 { font-size: 18px; }
.balloon-about-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 32px; padding-top: 12px; }
.balloon-about-grid h3 { font-size: 14px; }
.balloon-about-grid p { font-size: 13px; line-height: 1.7; color: var(--muted); }
.balloon-about { border-top: 1px solid var(--line); padding-top: 16px; }
.balloon-tracking { padding: 22px; min-width: 0; }
.balloon-tracking-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px; }
.balloon-tracking h2 { font-size: 18px; margin: 0; }
.balloon-tracking-heading > span { font-size: 10px; color: var(--muted); white-space: nowrap; }
.balloon-track-import { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 16px; }
.balloon-track-import label { flex: 1; min-width: 0; margin: 0; }
.balloon-tracking input[type=file] { font-size: 12px; padding: 8px; }
.balloon-tracking input::file-selector-button { border: 0; background: var(--surface-muted); color: var(--ink); padding: 6px 8px; margin-right: 8px; }
.balloon-resume { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 16px; }
.balloon-resume summary { font-size: 13px; font-weight: 600; }
.balloon-resume .balloon-fields { grid-template-columns: 1fr; margin: 16px 0; }
.balloon-tracking-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.balloon-uncertainty { padding-top: 6px; }
@media (max-width: 1050px) {
  .balloon-shell .main { padding: 0 16px 20px; }
  .balloon-heading { flex-wrap: wrap; gap: 12px; }
  .balloon-modes { order: 3; width: 100%; }
  .balloon-workspace { grid-template-columns: 290px minmax(0, 1fr); }
  .balloon-section, .balloon-tracking { padding: 18px; }
  .balloon-result, .balloon-result-summary { padding: 18px; }
  .balloon-metrics > div { padding: 0 10px; }
  .balloon-wind-metrics { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 700px) {
  #choose-map { display: block; }
  .balloon-shell .nav { padding: 10px 14px; font-size: 12px; }
  .balloon-shell .main { padding: 0 12px 16px; }
  .balloon-heading { padding: 18px 2px 8px; }
  .balloon-title { flex: 1 1 100%; }
  .balloon-heading h1 { font-size: 26px; }
  .balloon-modes { order: 0; width: auto; gap: 0; }
  .balloon .balloon-modes button { padding: 10px 13px; }
  .balloon-preferences { gap: 6px; margin-left: auto; }
  .balloon .balloon-preferences select { padding: 5px; font-size: 12px; }
  .balloon-mobile-views { display: flex; gap: 0; position: sticky; top: var(--site-header-offset, 38px); z-index: 5; background: var(--surface-muted); padding: 8px 0; }
  .balloon-mobile-views button { flex: 1; min-height: 44px; border-radius: 0; }
  .balloon-workspace { display: block; }
  .balloon-panel { position: static; max-height: none; }
  .balloon-panel-scroll { overflow: visible; }
  .balloon-action-dock { position: sticky; bottom: 0; z-index: 4; padding: 12px 18px; box-shadow: 0 -4px 12px #17253808; }
  .balloon-section { padding: 20px; }
  .balloon-visual { border-left: 0; }
  .balloon-map-wrap, .balloon:not(.has-result) .balloon-map-wrap { height: clamp(330px, 50svh, 440px); }
  .balloon-map-top { left: 12px; right: 12px; top: 12px; gap: 8px; }
  .balloon-map-top span { max-width: calc(100% - 164px); font-size: 11px; padding: 10px; }
  .balloon-result-summary, .balloon-result { padding: 16px; }
  .balloon-metrics { gap: 0; }
  .balloon-metrics > div { padding: 0 8px; }
  .balloon-metrics strong { font-size: 22px; letter-spacing: -.055em; }
  .balloon-metrics small { font-size: 10px; }
  .balloon-metrics span { font-size: 10px; }
  .balloon-scrub { font-size: 11px; }
  .balloon-empty { padding: 22px 18px; }
  .balloon-help { padding: 22px; }
  .balloon-about-grid { grid-template-columns: 1fr; gap: 6px; }
  .balloon input:not([type="checkbox"]):not([type="range"]), .balloon select { font-size: 16px; }
  .balloon .balloon-coordinates input { font-size: 16px; }
}
@media (max-width: 380px) {
  .balloon-preferences { width: 100%; margin-left: 0; }
  .balloon-preferences label { flex: 1; }
  .balloon-metrics strong { font-size: 19px; }
  .balloon-result-summary, .balloon-result { padding: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .balloon *, .balloon *::before, .balloon *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}

/* Text labels identify launch, burst, and landing without color alone. */
.balloon-marker[data-caption]::after { content: attr(data-caption); position: absolute; top: 26px; left: 50%; transform: translateX(-50%); background: #fffffff2; border: 1px solid #c8d0db; color: #202b3a; padding: 3px 6px; border-radius: 2px; font: 10px/1.2 system-ui; white-space: nowrap; pointer-events: none; }

.balloon-altitude-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px 0; padding: 12px 0; border-block: 1px solid var(--line); }
.balloon-altitude-comparison span, .balloon-altitude-comparison strong { display: block; }
.balloon-altitude-comparison span { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.balloon-altitude-comparison strong { font-size: 19px; font-variant-numeric: tabular-nums; }
.balloon input[readonly] { background: var(--surface-muted); }

/* One altitude scale for the flight and sampled launch-site winds. */
.balloon-wind { max-width: 680px; margin-inline: auto; }
.balloon-wind-motion { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); cursor: pointer; min-height: 36px; }
.balloon-wind-motion input { margin: 0; }
.balloon-profile-key { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 12px; font-size: 11px; }
.balloon-profile-key span { display: flex; align-items: center; gap: 5px; }
.balloon-profile-key i { width: 12px; height: 3px; background: var(--up); }
.balloon-profile-key i:nth-child(2) { background: var(--down); margin-left: 6px; }
.balloon #flight-chart { overflow: hidden; border-radius: 4px; background: #1c344f; cursor: crosshair; user-select: none; -webkit-user-select: none; }
.balloon #flight-chart text { fill: #e1edfa; font: 10px system-ui; }
.balloon #flight-chart .profile-wind-speed { fill: #fff; font-weight: 650; font-size: 11px; }
.balloon-flight-profile #timeline { width: 100%; margin: 0; }
.balloon-timeline-label { display: block; margin-top: 10px; font-size: 11px; color: var(--muted); }
.balloon-flight-profile .balloon-scrub { padding-bottom: 0; }
#scrub-wind { min-height: 2.8em; }
.balloon-wind-context { margin-top: 16px; }
.wind-trail { opacity: .45; animation: wind-flow var(--wind-period) linear var(--wind-phase) infinite; }
@keyframes wind-flow { to { transform: translateY(-128px); } }
.balloon-wind:has(#wind-motion:not(:checked)) .wind-trail { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) {
  .balloon-wind-motion { display: none; }
  .balloon-wind .wind-trail { animation: none; }
}
.balloon-wind-data { margin: 14px 0; }
.balloon-wind-data summary { font-size: 12px; }

.balloon-route-heading { display: grid; gap: 4px; margin: 10px 0; }
.balloon-route-heading > span { color: var(--muted); font-size: 12px; }
.balloon-route-heading time { font-size: 21px; font-weight: 650; }
.balloon-route-data, .balloon-route-details, .balloon-launch-wind { margin-top: 14px; }
#route-wind-bands { display: grid; gap: 4px; margin-top: 8px; }
#route-wind-bands button { text-align: left; min-height: 44px; font-size: 12px; line-height: 1.5; }

.balloon-date-toggle { width: 100%; text-align: left; font-weight: 400; }
.balloon-date-toggle::after { content: "▦"; float: right; }
.balloon-calendar { margin-top: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); }
.balloon-calendar-heading { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.balloon-calendar-heading button { padding: 4px 10px; }
.balloon-weekdays, #launch-days { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); text-align: center; }
.balloon-weekdays { font-size: 11px; color: var(--muted); padding-block: 8px; }
#launch-days button { padding: 0; min-width: 0; min-height: 34px; border: 0; border-radius: 3px; font-size: 12px; }
#launch-days button:disabled { color: var(--muted); opacity: .35; cursor: not-allowed; background: transparent; }
#launch-days button[aria-pressed="true"]:not(:disabled) { color: var(--on-accent); background: var(--accent); }
.balloon-calendar .balloon-field { margin-top: 10px; }
#launch-date-done { margin-top: 8px; width: 100%; }