:root {
  --bg: #f6f5f2;
  --panel: #ffffff;
  --ink: #1d1d1f;
  --muted: #6b6b70;
  --line: #e2e0da;
  --accent: #2a5bd7;
  --accent-ink: #fff;
  --ok: #1f8a4c;
  --bad: #c53030;
  --warn: #a86400;
  --code-bg: #fbfaf8;
  --term-bg: #15171c;
  --term-ink: #d8dee9;
  --menu-blue: #2f6fe0;
  --menu-green: #2a9d4a;
  --menu-red: #d33a3a;
  --menu-white: #9a9aa0;
  --syn-keyword: #8b2fc9;
  --syn-api: #1f5fbf;
  --syn-number: #b35900;
  --syn-string: #2a7d32;
  --syn-comment: #8a8a8f;
  --syn-meta: #a4285b;
  --radius: 8px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316;
    --panel: #1b1d22;
    --ink: #e8e8ea;
    --muted: #9a9ca3;
    --line: #2c2f36;
    --accent: #6d95ff;
    --accent-ink: #0d1220;
    --ok: #4cc27c;
    --bad: #ff6b6b;
    --warn: #e0a440;
    --code-bg: #16181c;
    --term-bg: #0c0d10;
    --syn-keyword: #c792ea;
    --syn-api: #82aaff;
    --syn-number: #f78c6c;
    --syn-string: #a5d6a7;
    --syn-comment: #6c7280;
    --syn-meta: #f07178;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
h1 { font-size: 16px; margin: 0; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
h1 a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo {
  width: 18px; height: 18px; border-radius: 3px;
  background:
    linear-gradient(90deg, var(--menu-red) 33%, var(--menu-blue) 33% 66%, var(--menu-red) 66%) top / 100% 34% no-repeat,
    linear-gradient(90deg, var(--menu-blue) 33%, #fff 33% 66%, var(--menu-blue) 66%) center / 100% 33% no-repeat,
    var(--menu-green);
}
nav { display: flex; gap: 2px; }
nav button { border: none; background: none; padding: 6px 12px; border-radius: 6px; color: var(--muted); }
nav button[aria-selected="true"] { background: var(--bg); color: var(--ink); font-weight: 600; }
.conn { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.status { color: var(--muted); font-size: 13px; }
.status.on { color: var(--ok); }

button, .button-like {
  font: inherit;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
}
button:hover, .button-like:hover { border-color: var(--muted); }
button:disabled { opacity: .45; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
input { font: inherit; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); }
label { display: inline-flex; align-items: center; gap: 6px; }
.check { color: var(--muted); }

.banner { padding: 10px 16px; background: #fff3cd; color: #5c4400; border-bottom: 1px solid #e6d28a; }

main { flex: 1; min-height: 0; display: flex; }
.tab { flex: 1; min-height: 0; display: flex; }
.tab[hidden] { display: none; }

.files {
  width: 230px;
  flex: none;
  border-right: 1px solid var(--line);
  background: var(--panel);
  padding: 12px;
  overflow: auto;
}
.aside-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
h2 { font-size: 14px; margin: 0; }
h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 14px 0 4px; }
.hint { color: var(--muted); font-size: 12.5px; margin: 6px 0; }
.list { list-style: none; margin: 0; padding: 0; }
.list li {
  padding: 5px 8px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}
.list li:hover { background: var(--bg); }
.list li.active { background: var(--bg); font-weight: 600; }
.list li .x { margin-left: auto; color: var(--muted); border: none; background: none; padding: 0 4px; }

.editor-col, .menus-col, .sounds-col, .shell-col { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: 12px; gap: 8px; }
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.spacer { flex: 1; }
#script-name { width: 220px; font-family: var(--mono); }

.editor {
  flex: 1;
  min-height: 200px;
  display: flex;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--code-bg);
  overflow: hidden;
}
.editor .cm-editor { flex: 1; min-width: 0; height: 100%; font-size: 13px; }
.editor .cm-editor.cm-focused { outline: none; }
.editor .cm-scroller { font-family: var(--mono); line-height: 1.5; }
.editor .cm-gutters { background: var(--code-bg); border-right: 1px solid var(--line); color: var(--muted); }
.editor .cm-activeLine { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.editor .cm-activeLineGutter { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.editor .cm-content { caret-color: var(--ink); }
.editor .cm-cursor { border-left-color: var(--ink); }
.editor .cm-selectionBackground, .editor .cm-focused .cm-selectionBackground { background: color-mix(in srgb, var(--accent) 25%, transparent) !important; }
.editor .cm-tooltip { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 6px 20px rgba(0,0,0,.18); }
.editor .cm-tooltip-autocomplete ul li[aria-selected] { background: var(--accent); color: var(--accent-ink); }
.editor .cm-completionDetail { color: var(--muted); font-style: normal; margin-left: 8px; }
.editor .cm-completionInfo { max-width: 320px; padding: 6px 9px; }
.api-help { max-width: 440px; padding: 8px 10px; font: 13px/1.45 system-ui, sans-serif; }
.api-help code { font-family: var(--mono); font-size: 12.5px; }
.api-help > code { display: block; font-weight: 600; margin-bottom: 4px; }
.api-help p { margin: 4px 0; }
.api-help ul { margin: 4px 0; padding-left: 18px; }
.api-help .notes { color: var(--muted); }
.api-help a { color: var(--accent); }

.output {
  font: 12.5px/1.5 var(--mono);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
  max-height: 180px;
  overflow: auto;
  white-space: pre-wrap;
}
.output:empty { display: none; }
.output .ok { color: var(--ok); }
.output .bad { color: var(--bad); }
.output .warn { color: var(--warn); }
.output a { color: inherit; cursor: pointer; text-decoration: underline dotted; }

/* menus */
.menus { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 12px; overflow: auto; }
.menu { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 10px; }
.menu h3 { margin: 0 0 8px; display: flex; align-items: center; gap: 6px; color: var(--ink); }
.menu h3::before { content: ""; width: 10px; height: 10px; border-radius: 2px; background: var(--c); }
.slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.slot {
  border: 1.5px dashed var(--line);
  border-radius: 6px;
  min-height: 92px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}
.slot.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.slot.filled { border-style: solid; color: var(--ink); cursor: grab; }
.slot .side { font-size: 11px; color: var(--muted); }
.slot .remove, .slot-actions button { border: none; background: none; color: var(--muted); padding: 0; font-size: 11px; text-decoration: underline dotted; }
.slot-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.icon { display: grid; grid-template-columns: repeat(3, 12px); gap: 2px; padding: 3px; background: #111; border-radius: 4px; }
.icon i { width: 12px; height: 12px; border-radius: 2px; background: #2a2a2a; }
.pool li { cursor: grab; }
.pool li .size { margin-left: auto; color: var(--muted); font-size: 12px; }

/* sounds */
table.sounds { border-collapse: collapse; width: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.sounds th, .sounds td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); }
.sounds th { font-size: 12px; color: var(--muted); font-weight: 500; }
.sounds input { font-family: var(--mono); width: 200px; }
.sounds input.invalid { border-color: var(--bad); }
.sounds audio { height: 28px; }

/* shell */
.terminal {
  flex: 1;
  margin: 0;
  min-height: 200px;
  overflow: auto;
  background: var(--term-bg);
  color: var(--term-ink);
  border-radius: var(--radius);
  padding: 10px 12px;
  font: 12.5px/1.45 var(--mono);
  white-space: pre-wrap;
}
.terminal .l2 { color: #8fd18f; }
.terminal .sent { color: #8fb4ff; }
.shell-input { display: flex; align-items: center; gap: 8px; font-family: var(--mono); }
.shell-input input { flex: 1; font-family: var(--mono); }

footer#toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 8px;
  max-width: min(90vw, 560px);
  box-shadow: 0 6px 24px rgba(0,0,0,.25);
}
footer#toast.bad { background: var(--bad); color: #fff; }

progress { width: 160px; }

@media (max-width: 760px) {
  header { gap: 8px 16px; }
  nav { max-width: 100%; overflow-x: auto; scrollbar-width: none; }
  .tab { flex-direction: column; }
  .files { width: auto; border-right: none; border-bottom: 1px solid var(--line); max-height: 200px; }
  .conn { margin-left: 0; }
}

/* robot voice */
.tts { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.tts h3 { margin: 0; color: var(--ink); }
.tts-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tts .grow { flex: 1; min-width: 220px; }
#tts-name { width: 170px; font-family: var(--mono); }
.tts select { font: inherit; padding: 5px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); }
.tts input[type="range"] { width: 110px; padding: 0; }
.tts .hint { margin: 0; }
.tts .hint a { color: inherit; }
.sounds-col { overflow: auto; }
@media (max-width: 760px) { #tts-name { width: 100%; } .tts .grow { min-width: 0; width: 100%; } }

/* simulator */
.sim-col { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: 12px; gap: 8px; }
.sim-col select { font: inherit; padding: 5px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); color: var(--ink); max-width: 220px; }
.sim-stage { flex: 1; min-height: 0; display: flex; gap: 12px; }
.sim-view { flex: 1; min-width: 0; position: relative; border-radius: var(--radius); background: radial-gradient(circle at 50% 40%, #3a3d46, #17181c 70%); overflow: hidden; }
#sim-canvas { width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; outline: none; }
#sim-canvas:active { cursor: grabbing; }
#sim-overlay { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); background: rgba(0,0,0,.7); color: #fff; padding: 8px 14px; border-radius: 8px; text-align: center; pointer-events: none; }
.sim-side { width: 300px; flex: none; display: flex; flex-direction: column; gap: 8px; min-height: 0; }
#sim-net { width: 100%; aspect-ratio: 4 / 3; display: block; background: var(--term-bg); border-radius: var(--radius); cursor: pointer; }
.sim-side .hint { margin: 0; }
.sim-log { flex: 1; max-height: none; min-height: 60px; }
.sim-log:empty { display: block; }
@media (max-width: 760px) {
  .sim-stage { flex-direction: column; }
  .sim-view { min-height: 320px; }
  .sim-side { width: auto; }
}

/* gallery */
.gallery-col { flex: 1; min-width: 0; overflow: auto; padding: 16px; }
.gallery-intro h2 { font-size: 18px; }
.gallery-intro .hint { margin: 4px 0 4px; }
.gallery-col > h3 { margin-top: 20px; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.card canvas { width: 100%; aspect-ratio: 16 / 10; display: block; background: radial-gradient(circle at 50% 40%, #3a3d46, #17181c 75%); cursor: pointer; }
.card-body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card h4 { margin: 0; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.card .badge { font-size: 11px; font-weight: 500; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 7px; margin-left: auto; white-space: nowrap; }
.card p { margin: 0; color: var(--muted); font-size: 13px; flex: 1; }
.card-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.card-actions button { padding: 4px 10px; font-size: 13px; }
.gallery-col .hint a { color: inherit; }
.card .author { font-size: 12px; color: var(--muted); margin-top: -4px; }
.card .badge { font-size: 11px; font-weight: 600; color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; padding: 0 7px; vertical-align: 2px; margin-left: 4px; }
.card.featured { border-color: var(--accent); }
.card canvas.plain { cursor: default; }
dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--ink); max-width: 520px; padding: 18px 20px; }
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog h2 { font-size: 16px; margin-bottom: 8px; }
dialog ol { padding-left: 20px; }
dialog li { margin: 6px 0; }
dialog .row { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; }
dialog input { width: 100%; }

/* tutorial */
.tutorial { width: 340px; flex: none; border-left: 1px solid var(--line); background: var(--panel); padding: 14px 16px; overflow: auto; display: flex; flex-direction: column; gap: 10px; }
.tutorial[hidden] { display: none; }
.tut-head { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12.5px; }
.tut-head .x { border: none; background: none; color: var(--muted); font-size: 18px; padding: 0 4px; }
.tut-steps { display: flex; gap: 4px; }
.tut-steps button { width: 26px; height: 26px; padding: 0; border-radius: 50%; font-size: 12px; }
.tut-steps button.done { background: color-mix(in srgb, var(--ok) 18%, var(--panel)); border-color: var(--ok); color: var(--ok); }
.tut-steps button.here { border-color: var(--accent); border-width: 2px; font-weight: 700; }
.tutorial h2 { font-size: 16px; }
.tut-text p { margin: 0 0 8px; }
.tut-text code, .tut-text pre { font-family: var(--mono); font-size: 12.5px; }
.tut-text pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px; overflow-x: auto; margin: 0 0 8px; }
.tut-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.tut-result { border-radius: 6px; padding: 8px 10px; font-size: 13.5px; }
.tut-result:empty { display: none; }
.tut-result.ok { background: color-mix(in srgb, var(--ok) 12%, var(--panel)); color: var(--ok); }
.tut-result.bad { background: color-mix(in srgb, var(--warn) 12%, var(--panel)); color: var(--warn); }
.tutorial details pre { font: 12px/1.45 var(--mono); background: var(--code-bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px; overflow: auto; max-height: 300px; margin: 6px 0 0; }
.tutorial summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.tut-nav { display: flex; justify-content: space-between; margin-top: auto; padding-top: 8px; }
@media (max-width: 760px) { .tutorial { width: auto; border-left: none; border-top: 1px solid var(--line); } }
#sim-rec.recording { color: #fff; background: #c62828; border-color: #c62828; }