:root {
  --bg: #0e110f;
  --panel: #131815;
  --card: #1a201c;
  --card-open: #1c231e;
  --field: #0f1311;
  --line: #2a322d;
  --line-strong: #39443d;
  --line-hover: #4f5c52;
  --ink: #f3efe6;
  --muted: #9ea69b;
  --faint: #6f786d;
  --accent: #e4f07a;
  --accent-ink: #1a1e14;
  --danger: #e38b73;
  --radius: 12px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
  font-family: Outfit, "Segoe UI", sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); }
/* Keep clear of the phone's status and navigation bars. The Android app
   (Capacitor) sets --safe-area-inset-*; browsers give env(); elsewhere 0. */
:root {
  --inset-top: var(--safe-area-inset-top, env(safe-area-inset-top, 0px));
  --inset-right: var(--safe-area-inset-right, env(safe-area-inset-right, 0px));
  --inset-bottom: var(--safe-area-inset-bottom, env(safe-area-inset-bottom, 0px));
  --inset-left: var(--safe-area-inset-left, env(safe-area-inset-left, 0px));
}
body { padding: var(--inset-top) var(--inset-right) var(--inset-bottom) var(--inset-left); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { opacity: 0.4; cursor: default; }
[hidden] { display: none !important; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 392px; height: calc(100vh - var(--inset-top) - var(--inset-bottom)); }

/* ---------- Stage ---------- */
.stage-wrap {
  min-width: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; padding: 16px 12px;
  background: radial-gradient(ellipse at 50% 40%, #18201b 0%, var(--bg) 70%);
}
.stage-box {
  position: relative; overflow: hidden; border-radius: 16px; background: #0b0d0c;
  box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, 0.06);
}
#stage { position: absolute; left: 0; top: 0; transform-origin: top left; background: #0b0d0c; }
#map { position: absolute; inset: 0; }
#space, #chrome { position: absolute; inset: 0; width: 100%; height: 100%; }
#chrome { pointer-events: none; }

.transport {
  display: flex; align-items: center; gap: 10px; width: min(100%, 720px);
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px 6px 6px;
}
.scrub-wrap { flex: 1; min-width: 60px; position: relative; display: flex; align-items: center; }
.transport input[type="range"] { width: 100%; margin: 0; accent-color: var(--accent); }
/* Stop markers sit on the track (inset by the thumb's half-width so they line up). */
.ticks { position: absolute; left: 8px; right: 8px; top: 50%; height: 12px; margin-top: -6px; pointer-events: none; }
.tick { position: absolute; top: 0; width: 2px; height: 12px; margin-left: -1px; border-radius: 1px; background: var(--ink); opacity: 0.55; }
.time { font-variant-numeric: tabular-nums; font-size: 0.82rem; color: var(--muted); min-width: 92px; text-align: right; }
.round { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; padding: 0; flex: none; }
.round svg { width: 20px; height: 20px; fill: currentColor; }
#play .i-stop, .is-playing #play .i-play { display: none; }
.is-playing #play .i-stop { display: block; }

/* ---------- Buttons ---------- */
.ghost, .solid, .samples button, .chip, .tab {
  border-radius: 999px; padding: 8px 14px; border: 1px solid var(--line-strong); background: transparent;
}
.ghost:hover:not(:disabled), .samples button:hover, .chip:hover, .tab:hover { border-color: #8d978c; }
.solid { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 600; }
.solid:hover:not(:disabled) { filter: brightness(1.06); }
.small { padding: 5px 12px; font-size: 0.8rem; }
.icon { width: 36px; height: 36px; padding: 0; display: grid; place-items: center; flex: none; }
.icon svg { width: 18px; height: 18px; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Panel ---------- */
.panel {
  border-left: 1px solid var(--line); background: var(--panel); overflow: auto;
  display: flex; flex-direction: column; gap: 10px; padding: 0 14px 28px; scroll-padding-top: 190px;
}
.panel-head {
  position: sticky; top: 0; z-index: 4; margin: 0 -14px; padding: 14px 14px 10px;
  background: rgba(15, 19, 17, 0.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 10px;
}
.brand { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.brand h1 { margin: 0 auto 0 0; font-family: Fraunces, Georgia, serif; font-weight: 600; font-size: 1.25rem; letter-spacing: -0.01em; }

/* Simple mode hides the fine-tuning (anything tagged data-adv). */
body:not(.advanced) [data-adv] { display: none !important; }
.switch { display: flex; align-items: center; gap: 7px; font-size: 0.8rem; color: var(--muted); cursor: pointer; user-select: none; }
.switch input { appearance: none; width: 34px; height: 20px; margin: 0; border-radius: 99px; background: var(--line); position: relative; cursor: pointer; transition: background 0.15s; }
.switch input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: var(--ink); transition: transform 0.15s; }
.switch input:checked { background: var(--accent); }
.switch input:checked::after { transform: translateX(14px); background: var(--accent-ink); }
.preset-row { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto auto; gap: 6px; align-items: center; }
.preset-row select, .preset-row input { min-height: 36px; padding-top: 6px; padding-bottom: 6px; }
.preset-row.unsaved select { border-color: var(--accent); }
.preset-row.unsaved #savePreset { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 600; }
.status { min-height: 1.2em; margin: 0; color: var(--muted); font-size: 0.8rem; }
.status.error { color: var(--danger); }
.chips { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; margin: 0 -14px; padding: 0 14px; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; padding: 4px 11px; font-size: 0.76rem; color: var(--muted); }
.chip.on { color: var(--accent-ink); background: var(--accent); border-color: transparent; font-weight: 600; }

/* Sections: each one a card. The open one is lifted and its title underlined. */
.group {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 0 14px;
  transition: border-color 0.15s, background 0.15s;
}
.group:hover:not([open]) { border-color: var(--line-strong); }
.group[open] { background: var(--card-open); border-color: var(--line-strong); padding-bottom: 16px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28); }
.group > summary {
  list-style: none; cursor: pointer; padding: 13px 0; display: flex; align-items: center; gap: 10px;
  font-size: 0.95rem; font-weight: 600; color: var(--ink);
}
.group > summary::-webkit-details-marker { display: none; }
.group > summary::before { content: ""; width: 4px; height: 16px; border-radius: 2px; background: var(--line-hover); flex: none; transition: background 0.15s; }
.group[open] > summary::before { background: var(--accent); }
.group > summary::after {
  content: ""; margin-left: auto; width: 7px; height: 7px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translate(-2px, -2px); transition: transform 0.15s;
}
.group[open] > summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.group[open] > summary { border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.group > *:not(summary) + *:not(summary) { margin-top: 12px; }
.scope {
  font-size: 0.64rem; letter-spacing: 0.02em; text-transform: none; font-weight: 500;
  color: var(--muted); border: 1px solid var(--line-strong); border-radius: 99px; padding: 1px 7px;
}
/* Groups inside a section: a small heading with a rule. */
.sub {
  display: flex; align-items: center; gap: 10px; margin: 0; padding-top: 6px;
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600; color: var(--muted);
}
.sub::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.group > * + .sub { margin-top: 20px !important; }
.group > summary + .sub { margin-top: 0 !important; padding-top: 0; }
.hint { margin: 0; color: var(--muted); font-size: 0.78rem; line-height: 1.45; }
/* "Your PC is online" (green dot) / offline (grey dot), for Render on my PC. */
.pc-status { display: flex; align-items: baseline; gap: 8px; }
.pc-status::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--faint); transform: translateY(-1px); }
.pc-status.ok::before { background: #7dcea0; box-shadow: 0 0 0 3px rgba(125, 206, 160, 0.18); }
.shortcuts { margin: 8px 0 0; color: var(--faint); font-size: 0.74rem; text-align: center; }

/* Fields */
.field { display: flex; flex-direction: column; gap: 5px; position: relative; font-size: 0.76rem; color: var(--muted); min-width: 0; }
.grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px 10px; }
.field.wide { grid-column: 1 / -1; }
input:not([type]), input[type="text"], input[type="datetime-local"], select {
  width: 100%; min-height: 40px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--field); color: var(--ink); font-size: 0.9rem;
}
select {
  appearance: none; padding-right: 30px; text-overflow: ellipsis;
  background: var(--field) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23e4f07a' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 11px center;
}
input:hover, select:hover { border-color: var(--line-hover); }
input.invalid { border-color: var(--danger); box-shadow: 0 0 0 1px var(--danger); }

/* Tick boxes as tiles, so each option is a clear target. */
.checks { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 6px; font-size: 0.84rem; }
.checks label {
  display: flex; align-items: center; gap: 9px; min-width: 0; cursor: pointer;
  padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--field);
}
.checks label:hover { border-color: var(--line-hover); }
.checks label:has(input:checked) { border-color: rgba(228, 240, 122, 0.45); }
.checks input { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; flex: none; }
.checks small { color: var(--muted); font-size: 0.7rem; margin-left: auto; }

.swatches { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 6px; font-size: 0.82rem; }
.swatches label { display: flex; align-items: center; gap: 9px; min-width: 0; padding: 6px 8px; border: 1px solid var(--line); border-radius: 10px; background: var(--field); }
.swatches input {
  flex: none; width: 30px; height: 26px; padding: 0; border: 1px solid var(--line); border-radius: 7px; background: none; cursor: pointer;
}
.swatches input::-webkit-color-swatch-wrapper { padding: 2px; }
.swatches input::-webkit-color-swatch { border: 0; border-radius: 5px; }
.swatches input::-moz-color-swatch { border: 0; border-radius: 5px; }

/* ---------- Stops and legs ----------
   Stops are cards with a letter; between two stops sits that leg's card,
   joined to the letters by a rail in the leg's transport colour (--mode). */
.stops { display: flex; flex-direction: column; }
.stop {
  display: grid; grid-template-columns: 26px minmax(0, 1fr) 36px; gap: 8px; align-items: start;
  padding: 8px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--field);
  position: relative; z-index: 1;
}
.pin {
  width: 26px; height: 26px; margin-top: 7px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 0.78rem;
}
.stop-fields { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 6px; }
.place { position: relative; }
.stop .icon { margin-top: 2px; font-size: 1.2rem; line-height: 1; border-color: transparent; }
.stop .icon:hover:not(:disabled) { border-color: var(--line-strong); }

.segment {
  --mode: var(--line-hover);
  margin-left: 20px; padding: 12px 0 12px 18px; border-left: 3px solid var(--mode);
  display: flex; flex-direction: column; gap: 9px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--mode) 9%, transparent), transparent 75%);
}
.segment-head { display: flex; align-items: baseline; justify-content: space-between; gap: 4px 10px; flex-wrap: wrap; }
.segment-title { font-size: 0.78rem; font-weight: 600; color: var(--ink); }
.leg-info { font-size: 0.72rem; color: var(--muted); }
.leg { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; }
.leg label { display: block; }
.leg input { position: absolute; opacity: 0; pointer-events: none; }
.leg span {
  display: block; text-align: center; padding: 5px 2px; border-radius: 8px; border: 1px solid var(--line-strong);
  font-size: 0.78rem; color: var(--muted); cursor: pointer; background: var(--field);
}
.leg span:hover { border-color: var(--line-hover); color: var(--ink); }
.leg input:focus-visible + span { outline: 2px solid var(--accent); }
.leg input:checked + span {
  color: var(--ink); font-weight: 600; border-color: var(--mode);
  background: color-mix(in srgb, var(--mode) 22%, var(--field));
}
/* Under each leg: its duration, and its zooms when the camera is "Per leg". */
.leg-zoom { display: grid; grid-template-columns: repeat(auto-fit, minmax(70px, 1fr)); gap: 6px; }
.leg-zoom .leg-z { display: none; }
.stops.show-zooms .leg-zoom .leg-z { display: flex; }
.leg-zoom label { display: flex; flex-direction: column; gap: 3px; font-size: 0.7rem; color: var(--muted); min-width: 0; }
.leg-zoom select { min-height: 32px; padding: 4px 24px 4px 8px; font-size: 0.82rem; background-position: right 8px center; }
.hint.total { grid-column: 1 / -1; align-self: center; }
.row-buttons { display: flex; gap: 6px; }

.suggest {
  list-style: none; margin: 4px 0 0; padding: 4px; position: absolute; top: 100%; left: 0; z-index: 6; width: max(100%, 300px);
  background: #222824; border: 1px solid var(--line); border-radius: 10px; max-height: 240px; overflow: auto; box-shadow: var(--shadow);
}
.suggest button { width: 100%; text-align: left; background: transparent; border: 0; color: var(--ink); padding: 8px; border-radius: 8px; font-size: 0.86rem; }
.suggest button:hover { background: #2c342f; }

.samples { display: flex; flex-wrap: wrap; gap: 6px; }
.samples button { font-size: 0.74rem; color: var(--muted); padding: 4px 10px; }

/* Text style tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab { padding: 4px 11px; font-size: 0.78rem; color: var(--muted); }
.tab[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 600; }
.text-group { display: flex; flex-direction: column; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.text-group .small { align-self: flex-start; }

/* ---------- Export progress and result ---------- */
.busy {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60; display: flex; align-items: center; gap: 12px;
  background: var(--panel); color: var(--ink); border: 1px solid var(--line);
  border-radius: 12px; padding: 10px 12px 10px 16px; box-shadow: var(--shadow); overflow: hidden;
}
.busy span { position: absolute; inset: 0 auto 0 0; width: 0; background: rgba(228, 240, 122, 0.22); transition: width 0.2s; }
.busy b { position: relative; font-weight: 500; flex: 1; font-size: 0.9rem; }
.busy button { position: relative; }
.is-exporting .panel, .is-exporting .transport { opacity: 0.45; pointer-events: none; }
#result {
  position: fixed; inset: 0; z-index: 80; display: grid; place-items: center;
  background: rgba(0, 0, 0, 0.55); padding: 18px;
}
#result > div {
  width: min(460px, 100%); background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 20px; box-shadow: var(--shadow);
}
#resultVideo { display: block; width: 100%; max-height: 50vh; margin: 0 0 12px; border-radius: 10px; background: #000; }
.result h3 { margin: 0 0 8px; font-family: Fraunces, Georgia, serif; }
.result p { margin: 0 0 16px; white-space: pre-wrap; color: var(--ink); line-height: 1.5; }
.result.fail h3 { color: var(--danger); }
.result.ok h3 { color: var(--accent); }
.result a, .result button {
  border: 0; border-radius: 999px; padding: 9px 16px; background: var(--accent); color: var(--accent-ink);
  font-weight: 600; text-decoration: none; display: inline-block; margin-right: 8px;
}
.result button { background: transparent; color: var(--ink); border: 1px solid var(--line); }

@media (max-width: 520px) {
  .preset-row { grid-template-columns: minmax(0, 1fr) auto auto; }
  .preset-row select { grid-column: 1 / -1; }
  .time { min-width: 0; font-size: 0.74rem; }
  .transport { gap: 6px; }
  .brand { flex-wrap: wrap; row-gap: 8px; }
  .brand h1 { font-size: 1.1rem; flex: 1 1 100%; }
  .brand #export { margin-left: auto; }
  /* Zoom names ("Half the world · 21,110 km") need the full width. */
  #sec-camera .grid { grid-template-columns: minmax(0, 1fr); }
  .segment { margin-left: 12px; padding-left: 12px; }
}

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); height: auto; min-height: 100vh; }
  .stage-wrap { padding: 10px 8px; overflow: hidden; }
  .panel { border-left: 0; border-top: 1px solid var(--line); overflow: visible; padding-bottom: calc(28px + env(safe-area-inset-bottom)); }
  .panel-head { position: static; }
  .stop-fields { grid-template-columns: 1fr; }
  /* Under 16px, phones zoom the whole page in when a field is tapped. */
  input:not([type]), input[type="text"], input[type="datetime-local"], select, .leg-zoom select { font-size: 16px; }
  .busy { left: 8px; right: 8px; bottom: calc(8px + env(safe-area-inset-bottom)); }
}

/* Touch screens: bigger targets for fingers. */
@media (pointer: coarse) {
  .leg span { padding: 9px 2px; font-size: 0.82rem; }
  .chip { padding: 8px 13px; font-size: 0.8rem; }
  .tab { padding: 8px 13px; }
  .samples button { padding: 8px 12px; }
  .small { padding: 8px 14px; }
  .leg-zoom select { min-height: 40px; }
  .checks label { padding: 11px 10px; }
  .checks input { width: 20px; height: 20px; }
  .swatches input { width: 38px; height: 32px; }
  .transport input[type="range"] { height: 32px; }
}