:root {
  --bg: #1b2027;
  --panel: #252b33;
  --panel2: #2d343d;
  --border: #3a424d;
  --text: #dfe3e8;
  --muted: #8b95a1;
  --accent: #2f81f7;
  --on: #2f81f7;
  --input: #1b2027;
}
body.light {
  --bg: #eef0f3;
  --panel: #f8f9fb;
  --panel2: #e9ecf0;
  --border: #cfd5dc;
  --text: #1d232a;
  --muted: #66707b;
  --input: #ffffff;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 13px -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}
button, select, input, textarea { font: inherit; color: inherit; }

/* Barre du haut */
#topbar {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; background: var(--panel); border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: 0.02em; margin-right: 8px; }
.group { display: flex; gap: 4px; flex-wrap: wrap; }
.spacer { flex: 1; }
.btn {
  background: var(--panel2); border: 1px solid var(--border); border-radius: 5px;
  padding: 4px 10px; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.field { display: flex; align-items: center; gap: 4px; color: var(--muted); }
.field select, .field input { background: var(--input); border: 1px solid var(--border); border-radius: 4px; padding: 2px 4px; color: var(--text); }
.field input { width: 64px; }

/* Zone centrale */
main { display: grid; grid-template-columns: auto 1fr 272px; min-height: 0; }
#tools {
  background: var(--panel); border-right: 1px solid var(--border); width: 132px;
  padding: 8px 6px; overflow-y: auto; display: flex; flex-direction: column; gap: 3px;
}
#simpleTools { display: flex; flex-direction: column; gap: 3px; }
#tools .tool {
  display: flex; align-items: center; gap: 8px; width: 100%; padding: 6px 8px;
  background: transparent; border: 1px solid transparent; border-radius: 6px; cursor: pointer; text-align: left; font-size: 13px;
}
#tools .tool:hover { background: var(--panel2); border-color: var(--border); }
#tools .tool.active { background: var(--accent); color: #fff; }
#tools svg { width: 20px; height: 20px; flex: none; }
#tools .more { margin-top: 10px; background: none; border: none; color: var(--muted); cursor: pointer; font-size: 12px; text-align: left; padding: 4px 8px; }
#tools .more:hover { color: var(--text); }
#tools .sep { font-size: 10px; text-transform: uppercase; color: var(--muted); padding: 8px 4px 2px; letter-spacing: 0.05em; }
#tools .grid { display: grid; grid-template-columns: repeat(3, 36px); gap: 2px; }
#tools .grid button {
  width: 36px; height: 32px; display: grid; place-items: center;
  background: transparent; border: 1px solid transparent; border-radius: 5px; cursor: pointer;
}
#tools .grid button:hover { background: var(--panel2); border-color: var(--border); }
#tools .grid button.active { background: var(--accent); color: #fff; }
#view { position: relative; min-width: 0; min-height: 0; }
#canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: default; display: block; }
#hint {
  position: absolute; top: 10px; left: 0; right: 0; margin-inline: auto; width: max-content; max-width: calc(100% - 32px);
  display: flex; align-items: center; gap: 10px; padding: 6px 12px; border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 88%, transparent); border: 1px solid var(--border);
  color: var(--muted); font-size: 12.5px; pointer-events: none; box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
#hint.active { color: var(--text); font-size: 14px; font-weight: 500; border-color: var(--accent); pointer-events: auto; }
#hint .btn { padding: 3px 10px; font-size: 12.5px; font-weight: 400; }
#hintBtns { display: flex; gap: 6px; flex: none; }
#hintBtns[hidden], #hintBtns [hidden] { display: none; }

/* Panneau de droite */
#panel { background: var(--panel); border-left: 1px solid var(--border); overflow-y: auto; }
#panel section { padding: 8px 10px 12px; border-bottom: 1px solid var(--border); }
#panel h3 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); display: flex; justify-content: space-between; align-items: center; }
.mini { background: var(--panel2); border: 1px solid var(--border); border-radius: 4px; cursor: pointer; padding: 0 7px; line-height: 18px; }
.layer {
  display: grid; grid-template-columns: 16px 18px 1fr 22px 22px; gap: 5px; align-items: center;
  padding: 3px 4px; border-radius: 4px; cursor: pointer;
}
.layer:hover { background: var(--panel2); }
.layer.current { background: color-mix(in srgb, var(--accent) 22%, transparent); }
.layer .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.layer input[type=color] { width: 18px; height: 18px; padding: 0; border: 1px solid var(--border); border-radius: 3px; background: none; cursor: pointer; }
.layer input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
.layer input[type=color]::-webkit-color-swatch { border: none; border-radius: 2px; }
.icon-btn { background: none; border: none; cursor: pointer; padding: 0; opacity: 0.85; font-size: 13px; }
.icon-btn.off { opacity: 0.3; }
.layer .cur { color: var(--accent); font-size: 10px; }
.layer-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin: 2px 0 6px 23px; }

.prop { display: grid; grid-template-columns: 90px 1fr; gap: 6px; align-items: center; margin-bottom: 6px; }
.prop label { color: var(--muted); }
.prop select, .prop input, .prop textarea, .layer-detail select {
  width: 100%; background: var(--input); border: 1px solid var(--border); border-radius: 4px; padding: 3px 5px; color: var(--text);
}
.prop textarea { resize: vertical; min-height: 44px; }
.prop .inline { display: flex; gap: 6px; align-items: center; }
.prop .inline input[type=color] { width: 32px; padding: 0; height: 24px; }
.info { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
#materials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.mat {
  display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 4px 2px 3px;
  background: transparent; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-size: 10.5px; line-height: 1.15;
}
.mat:hover { border-color: var(--accent); }
.mat.on { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.swatch { width: 46px; height: 30px; border-radius: 3px; border: 1px solid var(--border); }
.seg { display: flex; border: 1px solid var(--border); border-radius: 5px; overflow: hidden; }
.seg button { flex: 1; background: var(--input); border: none; border-left: 1px solid var(--border); padding: 3px 2px; cursor: pointer; font-size: 11.5px; }
.seg button:first-child { border-left: none; }
.seg button.on { background: var(--accent); color: #fff; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.pair .prop { grid-template-columns: 1fr; gap: 2px; }
.pair .prop label { font-size: 11.5px; }
.actions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin-bottom: 6px; }
.actions-grid.six { grid-template-columns: repeat(3, 1fr); }
.actions-row { margin-top: 8px; }
.act { background: var(--panel2); border: 1px solid var(--border); border-radius: 5px; padding: 5px 4px; cursor: pointer; font-size: 12px; }
.act:hover { border-color: var(--accent); }
.actions-row .act { width: 100%; }
.tips { margin: 0; padding-left: 16px; color: var(--muted); font-size: 12.5px; line-height: 1.45; }
.tips li { margin-bottom: 5px; }
details.adv { margin-top: 12px; }
details summary { cursor: pointer; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
#layersBox { padding: 8px 10px 12px; }
#layersBox summary { font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; display: flex; justify-content: space-between; align-items: center; }
.modal .box.small { max-width: 380px; }
#inlineText {
  position: absolute; z-index: 5; margin: 0; padding: 2px 5px; resize: none; overflow: hidden;
  font-family: Arial, Helvetica, sans-serif; line-height: 1.25; white-space: pre;
  background: color-mix(in srgb, var(--panel) 92%, transparent); color: var(--text);
  border: 1.5px solid var(--accent); border-radius: 4px; outline: none; box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.sizes { display: grid; gap: 6px; margin-bottom: 4px; }
.sizes .inline { display: flex; gap: 6px; align-items: center; }
.sizes input { width: 70px; background: var(--input); border: 1px solid var(--border); border-radius: 4px; padding: 3px 5px; color: var(--text); }
.unit { color: var(--muted); font-size: 12px; }
.colors { display: flex; gap: 8px; margin-bottom: 6px; }
.dot { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--border); cursor: pointer; padding: 0; }
.dot.on { outline: 2px solid var(--accent); outline-offset: 2px; }
.info.tip { margin-top: 10px; }
.modal input[type=number] { width: 90px; background: var(--input); border: 1px solid var(--border); border-radius: 4px; padding: 3px 6px; color: var(--text); }
.sub { margin: 12px 0 6px; font-size: 11px; text-transform: uppercase; color: var(--muted); letter-spacing: 0.05em; }

/* Ligne de commande */
footer { background: var(--panel); border-top: 1px solid var(--border); }
#history {
  height: 36px; overflow-y: auto; padding: 4px 10px; font: 12px ui-monospace, "SF Mono", Menlo, monospace; color: var(--muted);
}
#cmdline { display: flex; align-items: center; gap: 8px; padding: 4px 10px; border-top: 1px solid var(--border); background: var(--input); }
#prompt { font: 12.5px ui-monospace, "SF Mono", Menlo, monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 70%; }
#cmd { flex: 1; min-width: 80px; background: transparent; border: none; outline: none; font: 12.5px ui-monospace, "SF Mono", Menlo, monospace; text-transform: uppercase; }
#statusbar { display: flex; align-items: center; gap: 6px; padding: 4px 10px; border-top: 1px solid var(--border); font-size: 11.5px; }
#coords { font: 12px ui-monospace, "SF Mono", Menlo, monospace; min-width: 170px; color: var(--muted); }
.tog { background: transparent; border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; cursor: pointer; color: var(--muted); font-size: 11px; letter-spacing: 0.03em; }
.tog.on { background: var(--on); border-color: var(--on); color: #fff; }
#docname { color: var(--muted); }

/* Fenêtres modales */
.modal { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.45); display: none; place-items: center; z-index: 10; padding: 16px; }
.modal.open { display: grid; }
.modal .box { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; max-width: 720px; width: 100%; max-height: 85vh; overflow-y: auto; }
.modal h2 { margin: 0 0 12px; font-size: 17px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.modal .form { display: grid; gap: 10px; }
.modal .form label { display: flex; gap: 8px; align-items: center; }
.modal select { background: var(--input); border: 1px solid var(--border); border-radius: 4px; padding: 3px 6px; }
.hint { color: var(--muted); font-size: 12px; }
#helpContent table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
#helpContent td { padding: 3px 6px; border-bottom: 1px solid var(--border); vertical-align: top; }
#helpContent td:first-child { font-family: ui-monospace, "SF Mono", Menlo, monospace; white-space: nowrap; color: var(--accent); }
#helpContent h4 { margin: 14px 0 6px; }

@media (max-width: 900px) {
  main { grid-template-columns: auto 1fr; }
  #panel { display: none; }
  .field { display: none; }
}