/* Atelier sombre : barre d'outils en tête, zone de dessin pleine page, panneau latéral repliable, ligne de commande en pied. */
:root {
  --bg: #12161b;        /* fond d'interface, acier bleuté */
  --panel: #1a1f26;     /* panneaux */
  --raise: #232a33;     /* survol, champs */
  --line: #2c3540;      /* filets */
  --fg: #d7dde4;        /* texte */
  --mute: #8592a0;      /* texte secondaire */
  --accent: #f0a81c;    /* craie de traçage, jaune chantier */
  --sel: #5aa9ff;       /* sélection */
  --err: #ff7a6b;
  --ok: #7fd49a;
  --ui: "Barlow Semi Condensed", "Arial Narrow", "Roboto Condensed", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--fg); font: 14px/1.35 var(--ui); overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.mono { font-family: var(--mono); }

#app { display: grid; grid-template-rows: auto auto 1fr auto; grid-template-columns: minmax(0, 1fr); height: 100%; padding-left: env(safe-area-inset-left, 0px); padding-right: env(safe-area-inset-right, 0px); }

/* ---- Barre d'outils ---- */
#top { display: flex; align-items: stretch; gap: 8px; background: var(--panel); border-bottom: 1px solid var(--line); min-width: 0; }
.brand { display: flex; align-items: center; gap: 8px; padding: 0 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; font-size: 13px; white-space: nowrap; border-right: 1px solid var(--line); }
.brand .mark { width: 14px; height: 14px; border: 2px solid var(--accent); border-radius: 2px; position: relative; }
.brand .mark::after { content: ""; position: absolute; left: -2px; top: 4px; width: 14px; height: 2px; background: var(--accent); }
#tools { display: flex; gap: 2px; overflow-x: auto; flex: 1; min-width: 0; scrollbar-width: thin; padding: 4px 0 2px; }
.grpwrap { display: flex; flex-direction: column; align-items: center; padding: 0 6px; border-right: 1px solid var(--line); }
.grp { display: flex; gap: 1px; }
.glabel { font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); margin-top: 1px; }
.tb { width: 32px; height: 30px; display: grid; place-items: center; background: transparent; border: 1px solid transparent; border-radius: 4px; color: var(--fg); cursor: pointer; }
.tb:hover { background: var(--raise); }
.tb.on { border-color: var(--accent); color: var(--accent); background: rgba(240,168,28,.08); }
#sidetoggle { align-self: center; margin-right: 6px; display: none; }

/* ---- Zone centrale ---- */
#main { display: grid; grid-template-columns: minmax(0, 1fr) 300px; min-height: 0; min-width: 0; }
#top, #bottom { min-width: 0; }
#propbar { display: flex; align-items: center; gap: 10px; padding: 3px 8px; background: var(--panel); border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: thin; min-width: 0; font-size: 12px; }
#propbar .pbgroup { display: flex; align-items: center; gap: 4px; flex: none; padding-right: 10px; border-right: 1px solid var(--line); }
#propbar .pbgroup:last-of-type { border-right: 0; }
#propbar select { background: var(--raise); border: 1px solid var(--line); border-radius: 3px; padding: 2px 4px; font-size: 12px; color: var(--fg); max-width: 170px; }
#propbar #pb-layer { min-width: 130px; }
#propbar .pblab { color: var(--mute); font-size: 11px; }
#propbar .pbsw { width: 12px; height: 12px; border-radius: 2px; background: var(--c); border: 1px solid rgba(255,255,255,.3); flex: none; }
#propbar .pbt { width: 24px; height: 24px; padding: 0; font-size: 12px; color: var(--mute); }
#propbar .pbt.off, #propbar .pbt.on { color: var(--acc, #ffb000); }
#propbar .pbt:disabled { opacity: .35; }
#propbar .pbmode { color: var(--acc, #ffb000); font-size: 11px; flex: none; }
#stage { position: relative; min-width: 0; min-height: 0; }
#stage.drop::after { content: "Déposer un fichier DXF, DWG ou ECAD"; position: absolute; inset: 12px; border: 2px dashed var(--accent); display: grid; place-items: center; font-size: 18px; color: var(--accent); background: rgba(18,22,27,.6); }
#progress { position: absolute; left: 50%; bottom: 18px; translate: -50% 0; z-index: 3; display: grid; gap: 6px; min-width: 260px; padding: 10px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; font-size: 12px; color: var(--fg); box-shadow: 0 4px 16px rgba(0,0,0,.35); pointer-events: none; }
#progress b { display: block; height: 4px; background: var(--raise); border-radius: 2px; overflow: hidden; }
#progress i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .12s linear; }
#cv { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: none; touch-action: none; }
#side { background: var(--panel); border-left: 1px solid var(--line); overflow-y: auto; min-width: 0; }
details { border-bottom: 1px solid var(--line); }
summary { padding: 8px 12px; cursor: pointer; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; font-size: 12px; color: var(--mute); display: flex; align-items: center; gap: 8px; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "▸"; font-size: 10px; transition: transform .15s; }
details[open] > summary::before { transform: rotate(90deg); }
.mini { margin-left: auto; background: var(--raise); border: 1px solid var(--line); border-radius: 3px; padding: 1px 8px; font-size: 12px; text-transform: none; letter-spacing: 0; color: var(--fg); cursor: pointer; }
#layers, #props, #blocks { padding: 0 8px 10px; }
.lrow { display: grid; grid-template-columns: 18px 20px 20px 16px 1fr 74px 18px; align-items: center; gap: 4px; padding: 3px 4px; border-radius: 3px; font-size: 13px; }
.lrow.cur { background: rgba(240,168,28,.07); }
.lrow button { background: none; border: 0; cursor: pointer; padding: 0; color: var(--mute); font-size: 11.5px; text-align: left; }
.lrow .lcur { color: var(--accent); font-size: 12px; }
.lrow .lvis, .lrow .llock { display: grid; place-items: center; height: 20px; border-radius: 3px; }
.lrow .lvis { color: var(--fg); }
.lrow .lvis:hover, .lrow .llock:hover { background: rgba(255,255,255,.08); }
.lrow .lvis.off { color: var(--mute); opacity: .55; }
.lrow .llock.on { color: var(--err); }
.pbt svg { display: block; }
.lcol, .pcol, .sw { width: 14px; height: 14px; border-radius: 2px; border: 1px solid rgba(255,255,255,.25) !important; background: var(--c) !important; }
.pcol { width: auto; height: auto; padding: 2px 8px 2px 22px !important; position: relative; color: var(--fg); background: var(--raise) !important; text-align: left; border-radius: 3px; cursor: pointer; }
.pcol::before { content: ""; position: absolute; left: 6px; top: 50%; translate: 0 -50%; width: 11px; height: 11px; background: var(--c); border: 1px solid rgba(255,255,255,.3); border-radius: 2px; }
.lname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: default; }
.lname small, .brow small { color: var(--mute); font-family: var(--mono); font-size: 10.5px; }
select.lt, .pgrid select, .pgrid input { background: var(--raise); border: 1px solid var(--line); border-radius: 3px; padding: 2px 4px; font-size: 12px; width: 100%; min-width: 0; }
.ldel { color: var(--mute) !important; font-size: 15px !important; text-align: center !important; }
.ldel:hover { color: var(--err) !important; }
.empty { color: var(--mute); font-size: 13px; margin: 4px 4px 0; }
.selsum { margin: 4px 4px 8px; font-weight: 500; }
.pgrid { display: grid; grid-template-columns: 96px 1fr; gap: 6px 8px; align-items: center; font-size: 13px; color: var(--mute); padding: 0 4px; }
.pgrid > * { min-width: 0; }
.pgeo { margin-top: 8px; }
.ptype { margin-bottom: 8px; }
.ptype select { font-weight: 600; color: var(--fg); }
.pgeo input[type=text] { font-family: var(--mono); font-size: 12px; }
.pgeo input[type=checkbox] { justify-self: start; }
.psec { grid-column: 1 / -1; margin-top: 6px; padding: 3px 4px; font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--fg); background: var(--raise); border-radius: 3px; }
.psec + span { display: none; }
.pgrid input.ro { background: transparent; border-color: transparent; color: var(--mute); }
.pvnav { display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.pvnav .btn { padding: 1px 8px; }
.pvnav span { font-family: var(--mono); font-size: 11.5px; color: var(--fg); }
.pinfo { font-family: var(--mono); font-size: 11.5px; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 3px; padding: 6px 8px; margin: 8px 4px; word-break: break-word; }
.brow { display: flex; justify-content: space-between; width: 100%; background: none; border: 0; border-radius: 3px; padding: 4px 6px; cursor: pointer; text-align: left; }
.brow:hover { background: var(--raise); }

/* ---- Pied : historique, ligne de commande, état ---- */
#bottom { position: relative; background: var(--panel); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom, 0px); }
#hist { height: 66px; overflow-y: auto; overflow-wrap: anywhere; padding: 4px 12px 0; font: 12px/1.45 var(--mono); color: var(--mute); }
#hist .cmd { color: var(--fg); }
#hist .err { color: var(--err); }
#hist .res { color: var(--ok); }
#hist .dim { color: var(--mute); }
#cmdline { display: flex; align-items: center; gap: 8px; padding: 3px 12px 4px; font: 13px var(--mono); border-top: 1px solid var(--line); }
#prompt { color: var(--accent); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 70%; }
#prompt .kw { background: none; border: 0; padding: 0 1px; color: #ffd27a; cursor: pointer; font: inherit; }
#prompt .kw:hover { text-decoration: underline; }
#prompt .kw u { text-decoration-color: var(--accent); }
#cmd { flex: 1; min-width: 60px; background: transparent; border: 0; outline: 0; font: 13px var(--mono); color: var(--fg); padding: 3px 0; }
#status { display: flex; align-items: center; gap: 2px; padding: 3px 8px; border-top: 1px solid var(--line); font-size: 12px; overflow-x: auto; }
#coords { min-width: 170px; color: var(--fg); font-size: 12px; padding-left: 4px; }
.unit { color: var(--mute); }
.sp { flex: 1; }
.tabs { display: flex; margin-left: 10px; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
#status .tabs button { border: 0; border-radius: 0; padding: 2px 9px; }
#status .tabs button.on { background: var(--raise); color: var(--fg); }
#ltabs { display: flex; gap: 1px; overflow-x: auto; scrollbar-width: thin; border-bottom: 1px solid var(--line); background: var(--bg); padding: 0 6px; }
#ltabs button { flex: none; max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; border: 1px solid transparent; border-bottom: 0; border-radius: 4px 4px 0 0; background: transparent; color: var(--mute); font: inherit; font-size: 12px; padding: 3px 10px; margin-top: 3px; cursor: pointer; }
#ltabs button:hover { color: var(--fg); background: var(--raise); }
#ltabs button.on { color: var(--accent); background: var(--panel); border-color: var(--line); }
#status button { background: none; border: 1px solid transparent; border-radius: 3px; padding: 2px 7px; letter-spacing: .06em; color: var(--mute); cursor: pointer; font-size: 11.5px; white-space: nowrap; }
#status button.on { color: var(--accent); border-color: rgba(240,168,28,.35); background: rgba(240,168,28,.06); }
#status .caret { padding: 2px 4px; margin-left: -4px; }

/* ---- Popovers ---- */
.pop { position: fixed; z-index: 50; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 8px; box-shadow: 0 10px 30px rgba(0,0,0,.45); }
.palette { display: grid; grid-template-columns: repeat(8, 20px); gap: 6px; }
.palette .sw { width: 20px; height: 20px; cursor: pointer; padding: 0; }
.palette .sw.cur { outline: 2px solid var(--accent); outline-offset: 1px; }
.palette .by { grid-column: 1 / -1; width: auto; height: auto; background: var(--raise) !important; color: var(--fg); padding: 3px 6px; font-size: 12px; }
.snaps { display: grid; gap: 4px; font-size: 13px; }
.snaps label { display: flex; align-items: center; gap: 6px; cursor: pointer; }

/* ---- Dialogues ---- */
#dlgback { position: fixed; inset: 0; background: rgba(5,8,12,.55); z-index: 60; }
#dlg { position: fixed; z-index: 61; left: 50%; top: 12%; translate: -50% 0; width: min(560px, calc(100vw - 32px)); max-height: 76vh; display: flex; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.dlgform { display: flex; flex-direction: column; gap: 12px; padding: 16px; width: 100%; min-height: 0; }
.dlgform h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: .03em; }
.dlgbody { display: flex; flex-direction: column; gap: 10px; overflow-y: auto; min-height: 0; }
.dlgbody.pgrid { display: grid; grid-template-columns: 1fr 120px; }
.dlgbody input[type=text], .dlgbody textarea, .dlgbody input[type=number] { background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 6px 8px; width: 100%; }
.dlgbody textarea { font-family: var(--mono); font-size: 13px; resize: vertical; }
.inl { display: flex; align-items: center; gap: 8px; color: var(--mute); }
.inl input { width: 100px !important; }
.hint { color: var(--mute); font-size: 12.5px; margin: 0; }
#dlg.wide { width: min(900px, calc(100vw - 32px)); top: 6%; max-height: 88vh; }
.plbody { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 16px; align-items: start; }
.plgrid { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 8px 10px; align-items: center; font-size: 13px; }
.plgrid label { color: var(--mute); }
.plgrid select, .plgrid input[type=number] { background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 5px 6px; color: var(--fg); min-width: 0; width: 100%; }
.plgrid input[type=checkbox] { justify-self: start; width: 16px; height: 16px; accent-color: var(--accent); }
.plzone { display: flex; gap: 6px; min-width: 0; }
.plzone select { flex: 1; }
.plzone input[type=number] { width: 90px; flex: none; }
.plset { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.plprev { display: flex; flex-direction: column; gap: 6px; }
#pl-prev { background: #2a3038; border-radius: 6px; width: 100%; height: auto; }
@media (max-width: 760px) { .plbody { grid-template-columns: 1fr; } }
.dlgbtns { display: flex; justify-content: flex-end; gap: 8px; }
.btn { background: var(--raise); border: 1px solid var(--line); border-radius: 4px; padding: 5px 14px; cursor: pointer; }
.btn:hover { border-color: var(--mute); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #1a1406; font-weight: 600; }
.btn.ghost { background: transparent; }
#props > .btn { margin: 0 4px; }
.help p { margin: 0; color: var(--mute); }
.help code { font-family: var(--mono); color: var(--fg); background: var(--bg); padding: 0 4px; border-radius: 3px; }
.tblwrap { overflow: auto; }
.help table { border-collapse: collapse; width: 100%; font-size: 13px; }
.help th, .help td { text-align: left; padding: 3px 8px; border-bottom: 1px solid var(--line); }
.help td:first-child { font-family: var(--mono); color: var(--accent); }
.help td:nth-child(2) { font-family: var(--mono); color: var(--mute); }

/* ---- Étroit (tablette, téléphone) ---- */
@media (max-width: 900px) {
  #main { grid-template-columns: minmax(0, 1fr); }
  #side { position: fixed; right: 0; top: 56px; bottom: 120px; width: min(320px, 92vw); z-index: 40; transform: translateX(105%); transition: transform .2s; box-shadow: -10px 0 30px rgba(0,0,0,.4); }
  #side.open { transform: none; }
  #sidetoggle { display: grid; }
  .brand span:last-child { display: none; }
  .glabel { display: none; }
  #hist { height: 44px; }
  #coords { min-width: 120px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---- Autocomplétion de la ligne de commande ---- */
.ac { position: absolute; left: 12px; bottom: calc(100% - 66px); z-index: 30; min-width: 260px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 4px; box-shadow: 0 10px 30px rgba(0,0,0,.45); display: flex; flex-direction: column; }
.acitem { display: flex; gap: 10px; align-items: baseline; text-align: left; background: none; border: 0; border-radius: 4px; padding: 4px 8px; cursor: pointer; font: 13px var(--mono); }
.acitem b { color: var(--accent); font-weight: 500; min-width: 64px; }
.acitem span { color: var(--mute); font-family: var(--ui); }
.acitem.on, .acitem:hover { background: var(--raise); }

/* ---- Menus déroulants des commandes ---- */
.mnuwrap { justify-content: center; }
.mnubtn { background: transparent; border: 1px solid transparent; border-radius: 4px; color: var(--fg); cursor: pointer; white-space: nowrap; }
.mnubtn:hover, .mnubtn.on { background: var(--raise); }
.mnubtn.on { border-color: var(--accent); }
.mnumain { font-weight: 600; padding: 6px 10px; }
.mnucat { padding: 6px 8px; font-size: 12.5px; }
button.glabel { padding: 0 4px; line-height: 1.3; }
.mnu { display: flex; flex-direction: column; padding: 4px; min-width: 240px; overflow-y: auto; }
.mnuall { display: block; columns: 5 210px; column-gap: 10px; width: min(1150px, calc(100vw - 16px)); }
.mnucol { display: flex; flex-direction: column; break-inside: avoid; margin-bottom: 6px; }
.mnuhead { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); padding: 6px 8px 3px; border-bottom: 1px solid var(--line); margin-bottom: 2px; }
.mnuitem { display: flex; justify-content: space-between; gap: 12px; text-align: left; background: transparent; border: 0; border-radius: 3px; padding: 4px 8px; color: var(--fg); cursor: pointer; font-size: 13px; }
.mnuitem:hover, .mnuitem:focus-visible { background: var(--raise); }
.mnuitem kbd { font-family: var(--mono); font-size: 11px; color: var(--mute); }
.mnuitem { align-items: center; }
.mnuic { width: 22px; height: 20px; display: grid; place-items: center; flex: none; color: var(--fg); }
.mnuic svg { width: 18px; height: 18px; }
.mnulab { flex: 1; }
.mnumono { font: 600 9px/1 var(--mono); border: 1px solid var(--mute); border-radius: 3px; padding: 2px 2px; color: var(--mute); }