/* Scenario editor, in the simulator's look (../style.css): deep navy, cards with soft edges,
   sky-blue accent, amber for the main action, coral for accidents and errors.
   Layout: top bar (file, history, try, export) — scene list and how-to | map with its tools,
   legend and layers | inspector with the checks pinned below — timeline. Controls are at least
   36 px high (44 px on touch screens); below 960 px the panels stack under the map. */
:root {
  --bg: #0b1220; --card: #16213a; --edge: #2c3c5e; --text: #f1f5f9; --sub: #a3b1c6;
  --accent: #7dd3fc; --amber: #f59e0b; --coral: #ff6b5e; --lime: #4ade80; --gold: #fde68a;
  --panel: #111a2e; --field: #0f172a; --hover: #1d2a47; --accent-soft: rgba(125, 211, 252, .14);
  --ok: var(--lime); --warn: #fbbf24; --error: var(--coral);
  --spawn: #38bdf8; --goal: #4ade80; --trigger: #ff6b5e;
  --control: 36px; --radius: 10px;
  --bar: 64px; --foot: 64px;
  font-family: system-ui, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 14px;
  color: var(--text);
  color-scheme: dark;
}
@media (pointer: coarse) { :root { --control: 44px; } }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; background: var(--bg); overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
button, .button, summary { cursor: pointer; touch-action: manipulation; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .button:focus-within, summary:focus-visible {
  box-shadow: 0 0 0 5px rgba(253, 230, 138, .35);
}
body:not(.server) .server-only { display: none !important; }
kbd {
  display: inline-block; min-width: 1.5em; padding: 0 5px; border: 1px solid var(--edge); border-bottom-width: 2px;
  border-radius: 5px; background: var(--field); color: var(--sub); font: 600 11px/1.5 ui-monospace, monospace; text-align: center;
}

/* ------------------------------------------------------------------ shared controls */
.actions button, .actions .button, .tool, .row-buttons button, .small, .dialog-buttons button, .wide {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: var(--control); padding: 0 12px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--edge); color: var(--text); white-space: nowrap;
  transition: border-color .12s, background-color .12s;
}
.actions button:hover, .actions .button:hover, .tool:hover, .row-buttons button:hover, .small:hover, .dialog-buttons button:hover, .wide:hover {
  border-color: var(--accent); background: var(--hover);
}
button:disabled { opacity: .4; cursor: default; }
button:disabled:hover { border-color: var(--edge); background: var(--card); }
.primary { background: var(--amber) !important; border-color: var(--amber) !important; color: #0f172a !important; font-weight: 700; }
.primary:hover { filter: brightness(1.08); }
/* white on #0369a1 is 5.9:1; hover darkens (7.6:1) instead of brightening */
.accent { background: #0369a1 !important; border-color: var(--accent) !important; color: #fff !important; font-weight: 700; }
.accent:hover { background: #075985 !important; }
.danger { background: transparent !important; border-color: rgba(255, 107, 94, .45) !important; color: var(--coral) !important; }
.danger:hover:not(:disabled) { border-color: var(--coral) !important; background: rgba(255, 107, 94, .1) !important; }
.i { font-weight: 700; line-height: 1; }

/* ------------------------------------------------------------------ top bar */
.bar {
  height: var(--bar); display: flex; align-items: center; gap: 14px; padding: 0 14px;
  background: rgba(11, 18, 32, .97); border-bottom: 1px solid var(--edge);
}
.brand { font-weight: 700; display: flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; flex: none; font-size: 15px; }
.brand small { display: block; color: var(--accent); font-weight: 600; font-size: 11px; }
.brand:hover .logo { transform: rotate(-8deg); }
.logo { width: 34px; height: 31px; transition: transform .2s; }
.file { flex: 1; min-width: 120px; display: flex; flex-direction: column; gap: 3px; }
.file-line { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
#fileName { color: var(--text); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.dirty { color: var(--amber); font-size: 12px; font-weight: 700; flex: none; }
.status { font-size: 12px; }
.status .pill { display: inline-block; padding: 1px 10px; border-radius: 999px; font-weight: 700; }
.pill.ok { background: rgba(74, 222, 128, .16); color: var(--lime); }
.pill.warn { background: rgba(251, 191, 36, .16); color: var(--warn); }
.pill.error { background: rgba(255, 107, 94, .18); color: var(--coral); }
.actions { display: flex; align-items: center; gap: 10px; flex: none; }
.group { display: flex; gap: 4px; padding-left: 10px; border-left: 1px solid var(--edge); }
.group:first-child { border-left: 0; padding-left: 0; }
.button { position: relative; overflow: hidden; }
.button input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
/* the history buttons are icons (with tooltips); the others lose their words only when space runs out */
.group.history .t { display: none; }
.group.history button { width: var(--control); padding: 0; font-size: 16px; }
@media (max-width: 1200px) { .group:not(.try) .t { display: none; } .group:not(.try) button, .group:not(.try) .button { min-width: var(--control); padding: 0 10px; } .group #btnSave .t { display: inline; } }
@media (max-width: 1100px) { .brand span { display: none; } .group.try .t { font-size: 13px; } }

/* ------------------------------------------------------------------ layout */
.layout { display: grid; grid-template-columns: 280px 1fr 360px; height: calc(100% - var(--bar) - var(--foot)); }
@media (max-width: 1280px) { .layout { grid-template-columns: 240px 1fr 330px; } }
.panel { background: var(--panel); overflow-y: auto; }
.panel.left { border-right: 1px solid var(--edge); }
.panel.right { border-left: 1px solid var(--edge); display: flex; flex-direction: column; overflow: hidden; }
.panel section { padding: 14px; border-bottom: 1px solid var(--edge); }
.panel h2 { font-size: 13px; letter-spacing: .04em; color: var(--accent); margin: 0 0 10px; font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.panel h3 { font-size: 14px; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.count { color: var(--sub); font-weight: 400; }
.mode { font-size: 11px; font-weight: 600; letter-spacing: 0; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--edge); color: var(--accent); cursor: help; }
body.server .mode { color: var(--lime); border-color: rgba(74, 222, 128, .45); }

/* scene list: names wrap to two lines instead of being cut short */
.list .group { display: block; border: 0; padding: 0; font-size: 11px; font-weight: 700; color: var(--sub); margin: 12px 0 6px; letter-spacing: .03em; }
.list .group:first-child { margin-top: 0; }
.list .item {
  display: flex; align-items: center; gap: 9px; min-height: 48px; padding: 7px 9px; margin-bottom: 3px;
  border-radius: var(--radius); cursor: pointer; border: 1px solid transparent;
}
.list .item:hover { background: var(--hover); }
.list .item.active { background: var(--accent-soft); border-color: rgba(125, 211, 252, .6); }
.list .item .name {
  flex: 1; min-width: 0; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.list .item .id { display: block; font-size: 11px; color: var(--sub); }
.list .dot { width: 9px; height: 9px; border-radius: 50%; flex: none; background: var(--ok); }
.list .dot.warn { background: var(--warn); }
.list .dot.error { background: var(--error); }
.list .note { color: var(--sub); font-size: 12px; line-height: 1.6; }
.chip { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--card); border: 1px solid var(--edge); color: var(--sub); flex: none; }
.wide { width: 100%; margin-top: 10px; }

.steps ol { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 7px; line-height: 1.55; font-size: 13px; color: var(--sub); }
.steps ol b { color: var(--text); }
.keys { margin-top: 12px; }
.keys summary { color: var(--accent); font-size: 13px; font-weight: 600; padding: 4px 0; }
.keys ul { margin: 6px 0 0; padding-left: 18px; color: var(--sub); line-height: 1.9; font-size: 12px; }

.check { display: flex; align-items: center; gap: 8px; min-height: 30px; cursor: pointer; }
input[type=checkbox] { width: 16px; height: 16px; }
input[type=checkbox], input[type=range] { accent-color: var(--accent); }

/* ------------------------------------------------------------------ stage */
.stage { position: relative; overflow: hidden; background: #1b2433; }
#map { width: 100%; height: 100%; display: block; cursor: grab; outline: none; user-select: none; touch-action: none; }
#map.panning { cursor: grabbing; }
#map.drawing { cursor: crosshair; }
.tools { position: absolute; top: 12px; left: 12px; }
.view-tools { position: absolute; top: 12px; right: 12px; display: flex; gap: 6px; align-items: flex-start; }
.segmented { display: flex; background: rgba(11, 18, 32, .9); border: 1px solid var(--edge); border-radius: 12px; padding: 3px; gap: 3px; box-shadow: 0 4px 16px rgba(0, 0, 0, .35); }
.segmented .tool { border: 0; background: transparent; box-shadow: none; font-weight: 600; }
.segmented .tool kbd { background: transparent; }
.tool { background: rgba(11, 18, 32, .9); box-shadow: 0 4px 16px rgba(0, 0, 0, .35); }
.tool.icon { width: var(--control); padding: 0; font-size: 18px; font-weight: 700; }
.tool.active { background: var(--accent) !important; color: #0f172a; }
.tool.active kbd { color: #0f172a; border-color: rgba(15, 23, 42, .4); }
.layers { position: relative; }
.layers summary { list-style: none; font-weight: 600; }
.layers summary::-webkit-details-marker { display: none; }
.layers[open] summary { border-color: var(--accent); }
.layers-menu {
  position: absolute; right: 0; top: calc(100% + 6px); min-width: 230px; padding: 10px 14px; z-index: 5;
  background: rgba(11, 18, 32, .97); border: 1px solid var(--edge); border-radius: 12px; box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
}
.layers-menu hr { border: 0; border-top: 1px solid var(--edge); margin: 6px 0; }
.hint {
  position: absolute; top: 64px; left: 50%; transform: translateX(-50%); background: rgba(2, 132, 199, .95); color: #fff;
  padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; box-shadow: 0 6px 20px rgba(0, 0, 0, .4); white-space: nowrap;
}
.hint kbd { background: rgba(255, 255, 255, .2); color: #fff; border-color: rgba(255, 255, 255, .4); }
.legend {
  position: absolute; left: 12px; bottom: 12px; margin: 0; padding: 7px 10px; list-style: none; display: flex; flex-wrap: wrap; gap: 4px 12px;
  max-width: calc(100% - 200px); background: rgba(11, 18, 32, .85); border: 1px solid var(--edge); border-radius: 10px; font-size: 12px; color: var(--sub);
}
.legend li { display: flex; align-items: center; gap: 5px; }
.sw { display: inline-block; width: 14px; height: 10px; border-radius: 3px; }
.sw.spawn { background: var(--spawn); border-radius: 50%; width: 10px; }
.sw.goal { background: rgba(74, 222, 128, .45); border: 1.5px solid var(--goal); }
.sw.trigger { background: rgba(255, 107, 94, .16); border: 1.5px dashed var(--trigger); }
.sw.car { background: #f59e0b; height: 4px; }
.sw.accident { background: var(--coral); height: 4px; }
.sw.lane { border-top: 2px dashed rgba(241, 245, 249, .7); height: 0; }
.sw.wall { background: rgba(217, 70, 239, .5); border: 1px solid #e879f9; height: 6px; }
.coords {
  position: absolute; bottom: 12px; right: 12px; background: rgba(11, 18, 32, .85); color: var(--sub); padding: 4px 10px;
  border-radius: 8px; font-size: 12px; font-variant-numeric: tabular-nums;
}
.coords:empty { display: none; }
.loading { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; color: var(--text); background: var(--bg); font-size: 15px; }

/* map layers (SVG) */
.surface-carriageway { fill: rgba(56, 140, 255, .28); }
.surface-sidewalk { fill: rgba(253, 230, 138, .26); }
.surface-ramp { fill: rgba(245, 158, 11, .38); }
.surface-ground { fill: none; }
.lane { fill: none; stroke: rgba(241, 245, 249, .6); stroke-dasharray: 6 5; }
.wall { fill: rgba(217, 70, 239, .32); stroke: #e879f9; }
.signal { fill: var(--gold); stroke: #0f172a; }
.walkline { stroke: var(--spawn); stroke-dasharray: 8 6; fill: none; opacity: .85; }
.area { cursor: move; }
.area.goal { fill: rgba(74, 222, 128, .3); stroke: var(--goal); }
.area.trigger { fill: rgba(255, 107, 94, .16); stroke: var(--trigger); stroke-dasharray: 7 5; }
.area.selected, .spawn.selected circle { stroke: #fff; }
.spawn { cursor: move; }
.route { fill: none; cursor: pointer; }
.route-hit { fill: none; stroke: transparent; cursor: pointer; }
.handle { fill: #fff; stroke: #0f172a; cursor: move; }
.handle.rotate { fill: var(--gold); }
.handle.point.selected { fill: var(--gold); }
.label { font-size: 12px; font-weight: 700; paint-order: stroke; stroke: rgba(11, 18, 32, .8); stroke-width: 3px; fill: #fff; pointer-events: none; }
.conflict { fill: none; stroke: var(--coral); }
.conflict-label { font-size: 11px; font-weight: 700; paint-order: stroke; stroke: #0b1220; stroke-width: 3px; fill: #ffb4ab; pointer-events: none; }
.car { stroke: #0b1220; }
.preview { fill: none; stroke: #fff; stroke-dasharray: 5 4; pointer-events: none; }

/* ------------------------------------------------------------------ inspector */
.inspector { flex: 1; min-height: 0; overflow-y: auto; }
.inspector > section, .inspector > div { padding: 14px; }
.checks { flex: none; max-height: 38%; overflow-y: auto; border-top: 1px solid var(--edge); border-bottom: 0 !important; background: #0e1628; }
.form { display: grid; grid-template-columns: 96px 1fr; gap: 9px 10px; align-items: center; }
.form label { color: var(--sub); font-size: 13px; }
.form .full { grid-column: 1 / -1; }
.form input[type=text], .form input[type=number], .form select, .form textarea {
  width: 100%; min-height: var(--control); border: 1px solid var(--edge); border-radius: 8px; padding: 6px 9px; background: var(--field);
}
.form input:hover, .form select:hover, .form textarea:hover { border-color: #3d527d; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--accent); }
.form textarea { resize: vertical; min-height: 64px; line-height: 1.5; }
.form .pair { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.form .triple { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
.form .unit { display: flex; align-items: center; gap: 5px; }
.form .unit span { color: var(--sub); font-size: 12px; white-space: nowrap; }
.tabs { display: flex; width: 100%; margin-bottom: 14px; border: 1px solid var(--edge); border-radius: 12px; overflow: hidden; background: var(--field); }
.tabs button { flex: 1; border: 0; background: transparent; min-height: var(--control); padding: 0 10px; font-size: 13px; font-weight: 600; color: var(--sub); }
.tabs button + button { border-left: 1px solid var(--edge); }
.tabs button:hover { background: var(--hover); color: var(--text); }
.tabs button.active { background: var(--accent); color: #0f172a; }
.vehicles { display: flex; flex-direction: column; gap: 5px; }
.vehicle-row { display: flex; align-items: center; border: 1px solid var(--edge); border-radius: var(--radius); background: var(--card); }
.vehicle-row:hover { border-color: var(--accent); }
.vehicle-row.active { border-color: var(--accent); background: var(--accent-soft); }
.vehicle-select {
  display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; min-height: 44px; padding: 7px 10px;
  border: 0; border-radius: 9px; background: transparent; text-align: left;
}
.vehicle-delete {
  flex: none; min-width: 44px; min-height: 44px; margin-right: 2px; padding: 6px;
  border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--coral); font-size: 12px;
}
.vehicle-delete:hover { border-color: var(--coral); background: var(--bg); }
.vehicle-row .swatch { width: 12px; height: 12px; border-radius: 4px; flex: none; }
.vehicle-row .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag { font-size: 11px; padding: 1px 7px; border-radius: 999px; background: var(--bg); color: var(--sub); }
.tag.accident { background: var(--coral); color: #0f172a; font-weight: 800; letter-spacing: 1px; }
.row-buttons { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.row-buttons button, .small { font-size: 13px; }
.row-buttons .danger { color: var(--coral); }
.timing { background: var(--card); border: 1px solid var(--edge); border-radius: var(--radius); padding: 10px 12px; font-size: 13px; line-height: 1.65; color: var(--sub); }
.timing b { color: var(--text); }
.note { font-size: 12px; color: var(--sub); line-height: 1.55; }

.problems { display: flex; flex-direction: column; gap: 6px; }
.problem { display: flex; gap: 8px; padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; line-height: 1.5; border-left: 4px solid; }
.problem:hover { filter: brightness(1.15); }
.problem.error { background: rgba(255, 107, 94, .14); border-color: var(--coral); color: #ffd2cc; }
.problem.warning { background: rgba(251, 191, 36, .12); border-color: var(--warn); color: #fde68a; }
.problem .icon { flex: none; font-weight: 700; }
.all-good { color: var(--ok); font-size: 13px; }

/* ------------------------------------------------------------------ timeline */
.timeline {
  min-height: var(--foot); display: flex; align-items: center; gap: 18px; padding: 8px 14px;
  background: rgba(11, 18, 32, .97); border-top: 1px solid var(--edge);
}
.playback { flex: 1; min-width: 260px; display: flex; align-items: center; gap: 12px; }
.play { width: 44px; height: 44px; border-radius: 50%; border: none; background: var(--amber); color: #0f172a; font-size: 17px; font-weight: 700; flex: none; }
.play:hover { filter: brightness(1.08); }
#timeSlider { flex: 1; min-width: 120px; height: 28px; }
.time { width: 70px; font-variant-numeric: tabular-nums; font-weight: 700; color: var(--accent); font-size: 15px; }
.trigger-box {
  display: flex; align-items: center; gap: 14px; margin: 0; padding: 4px 12px 6px; flex: none;
  border: 1px solid var(--edge); border-radius: var(--radius); white-space: nowrap;
}
.trigger-box legend { padding: 0 6px; font-size: 11px; font-weight: 700; color: var(--trigger); letter-spacing: .04em; }
.trigger-box .num { display: flex; align-items: center; gap: 6px; }
.trigger-box .num input { width: 70px; min-height: 32px; border: 1px solid var(--edge); border-radius: 8px; padding: 4px 8px; background: var(--field); }
.trigger-box input:disabled { opacity: .45; }
.timeline .info { color: var(--sub); font-size: 12px; line-height: 1.4; max-width: 340px; }
@media (max-width: 1280px) { .timeline .info { display: none; } }

.toast {
  position: fixed; bottom: 84px; left: 50%; transform: translateX(-50%); background: var(--card); color: var(--text); padding: 12px 18px;
  border: 1px solid var(--edge); border-radius: 12px; box-shadow: 0 10px 30px rgba(0, 0, 0, .45); max-width: min(580px, calc(100vw - 32px)); z-index: 10;
}
.toast.error { border-color: var(--coral); background: #3a1a22; }

/* ------------------------------------------------------------------ Quest dialog */
.dialog {
  border: 1px solid var(--edge); border-radius: 18px; padding: 22px 26px; width: min(540px, calc(100vw - 32px));
  background: rgba(11, 18, 32, .97); color: var(--text); box-shadow: 0 20px 60px rgba(0, 0, 0, .55);
}
.dialog::backdrop { background: rgba(5, 9, 18, .6); }
.dialog h2 { margin: 0 0 8px; font-size: 18px; color: var(--accent); }
.dialog .note { margin: 0 0 12px; line-height: 1.6; font-size: 13px; }
.quest-status, .quest-result { background: var(--card); border: 1px solid var(--edge); border-radius: 10px; padding: 10px 12px; font-size: 13px; line-height: 1.7; margin-bottom: 10px; }
.quest-result:empty { display: none; }
.quest-status .device { display: flex; gap: 8px; align-items: center; }
.quest-status .ok { color: var(--ok); font-weight: 700; }
.quest-status .bad { color: var(--error); font-weight: 700; }
.quest-result .error { color: var(--error); }
.dialog-buttons { display: flex; justify-content: flex-end; gap: 8px; }

/* ------------------------------------------------------------------ narrow screens: everything stacks and the page scrolls */
@media (max-width: 960px) {
  html, body { overflow: auto; height: auto; }
  .bar { height: auto; flex-wrap: wrap; padding: 10px 12px; gap: 10px; }
  .file { order: 3; flex-basis: 100%; }
  .actions { flex-wrap: wrap; gap: 8px; }
  .layout { display: flex; flex-direction: column; height: auto; }
  .stage { order: 1; height: 62vh; min-height: 360px; }
  .panel.right { order: 2; overflow: visible; border-left: 0; border-top: 1px solid var(--edge); }
  .panel.left { order: 3; overflow: visible; border-right: 0; border-top: 1px solid var(--edge); }
  .inspector, .checks { overflow: visible; max-height: none; }
  .legend { max-width: calc(100% - 24px); bottom: 46px; }
  .timeline { flex-wrap: wrap; position: sticky; bottom: 0; z-index: 4; }
  .playback { flex-basis: 100%; }
  .timeline .info { display: none; }
}

@media (prefers-reduced-motion: reduce) { .logo, .actions button, .tool { transition: none; } }
@media (forced-colors: active) { .actions button, .tool, .tabs button, .play, .vehicle-select, .vehicle-delete, .wide { border: 1px solid ButtonText; } }