/* DT 360 — Modelador 3D */
:root {
  --bg: #eef0f3; --panel: #ffffff; --panel-2: #f7f8fa; --ink: #15171a; --ink-2: #4b5160; --muted: #8b919c;
  --line: #e3e6eb; --line-2: #d3d8df; --accent: #e5361b; --accent-2: #ff5a3c; --blue: #2563eb; --sel: #0284c7;
  --hover: #f59e0b; --ok: #16a34a; --err: #dc2626; --warn: #d97706;
  --vis-a: #f6f8fb; --vis-b: #dfe5ee; --solid: #b9c3d1; --edge: #2a2f38;
  --sk-def: #111827; --sk-sub: #1d5bff; --sk-sel: #06b6d4; --sk-hov: #f59e0b; --sk-cons: #6b7280; --sk-cota: #111827; --sk-cond: #9ca3af; --sk-tmp: #f59e0b; --rejilla: #c7cfdb;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .08);
  --shadow-lg: 0 24px 60px rgba(16, 24, 40, .18);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1114; --panel: #171a1f; --panel-2: #1d2127; --ink: #eceef2; --ink-2: #b4bac5; --muted: #7e8590;
    --line: #262a31; --line-2: #343a43; --sel: #38bdf8;
    --vis-a: #22272f; --vis-b: #12151a; --solid: #9aa6b8; --edge: #0b0d10;
    --sk-def: #f3f4f6; --sk-sub: #60a5fa; --sk-sel: #22d3ee; --sk-cota: #e5e7eb; --sk-cond: #6b7280; --rejilla: #2f3640;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35); --shadow-lg: 0 24px 60px rgba(0, 0, 0, .55);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1114; --panel: #171a1f; --panel-2: #1d2127; --ink: #eceef2; --ink-2: #b4bac5; --muted: #7e8590;
  --line: #262a31; --line-2: #343a43; --sel: #38bdf8;
  --vis-a: #22272f; --vis-b: #12151a; --solid: #9aa6b8; --edge: #0b0d10;
  --sk-def: #f3f4f6; --sk-sub: #60a5fa; --sk-sel: #22d3ee; --sk-cota: #e5e7eb; --sk-cond: #6b7280; --rejilla: #2f3640;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .35); --shadow-lg: 0 24px 60px rgba(0, 0, 0, .55);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { font: 13.5px/1.4 var(--font); color: var(--ink); background: var(--bg); display: flex; flex-direction: column; overflow: hidden; -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; color: inherit; }
h2, h3, h4 { margin: 0; }
.ic { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.sp { flex: 1; }
.mono { font-family: var(--mono); font-size: 12px; }

/* ---------- Barra superior ---------- */
.barra { display: flex; align-items: center; gap: 10px; height: 48px; padding: 0 12px; background: var(--panel); border-bottom: 1px solid var(--line); }
.marca { display: flex; align-items: center; gap: 7px; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -.01em; }
.marca svg { width: 22px; height: 22px; fill: none; stroke: var(--accent); stroke-width: 2.6; stroke-linecap: round; }
.sep { width: 1px; height: 22px; background: var(--line); }
.doc-ic { color: var(--muted); }
.doc { border: 1px solid transparent; background: none; border-radius: 6px; padding: 4px 6px; font-weight: 600; width: 150px; }
.doc:hover { border-color: var(--line-2); }
.doc:focus { outline: none; border-color: var(--sel); background: var(--panel-2); }
.beta { font-size: 11px; font-weight: 600; color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); padding: 3px 8px; border-radius: 99px; white-space: nowrap; }
.hist { display: flex; gap: 2px; margin-left: 6px; }
.ib { width: 32px; height: 32px; display: grid; place-items: center; border: 0; background: none; border-radius: 8px; cursor: pointer; color: var(--ink-2); }
.ib:hover { background: var(--panel-2); color: var(--ink); }
.ib:disabled { opacity: .35; cursor: default; background: none; }
.ib.on { color: var(--sel); background: color-mix(in srgb, var(--sel) 12%, transparent); }
.ib.txt { font-weight: 700; font-size: 12px; }
.btn { display: inline-flex; align-items: center; gap: 7px; height: 32px; padding: 0 12px; border: 1px solid var(--line-2); background: var(--panel); border-radius: 8px; cursor: pointer; font-weight: 500; white-space: nowrap; }
.btn:hover { border-color: var(--ink-2); }
.btn.primario { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primario:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn .ic { width: 18px; height: 18px; }
.car { font-size: 10px; opacity: .7; }
.menu { position: relative; }
.pop { position: absolute; top: calc(100% + 6px); left: 0; z-index: 50; min-width: 260px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 6px; display: none; }
.pop.der { left: auto; right: 0; }
.menu.abierto .pop { display: block; animation: aparece .14s ease-out; }
.pop button { display: flex; gap: 10px; align-items: flex-start; width: 100%; text-align: left; border: 0; background: none; padding: 9px 10px; border-radius: 8px; cursor: pointer; }
.pop button:hover { background: var(--panel-2); }
.pop button .ic { color: var(--accent); margin-top: 1px; }
.pop b { display: block; font-weight: 600; }
.pop small { color: var(--muted); font-size: 12px; }
.pop hr { border: 0; border-top: 1px solid var(--line); margin: 4px 0; }
@keyframes aparece { from { opacity: 0; transform: translateY(-4px); } }

/* ---------- Cinta de comandos ---------- */
.cinta { display: flex; align-items: stretch; background: var(--panel); border-bottom: 1px solid var(--line); padding: 0 8px; gap: 8px; min-height: 74px; overflow-x: auto; }
.pestanas { display: flex; flex-direction: column; justify-content: center; gap: 4px; padding-right: 8px; border-right: 1px solid var(--line); }
.pestanas button { border: 0; background: none; padding: 5px 12px; border-radius: 7px; cursor: pointer; color: var(--ink-2); font-weight: 500; text-align: left; }
.pestanas button.on { background: color-mix(in srgb, var(--accent) 10%, transparent); color: var(--accent); font-weight: 600; }
.grupo-cmd { display: flex; align-items: center; gap: 2px; padding: 6px 0; }
.grupo-cmd[hidden] { display: none; }
.cmd { display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 4px; min-width: 64px; height: 62px; padding: 6px 6px 4px; border: 1px solid transparent; background: none; border-radius: 10px; cursor: pointer; color: var(--ink-2); font-size: 11.5px; line-height: 1.15; text-align: center; transition: background .12s, color .12s; }
.cmd .ic { width: 24px; height: 24px; color: var(--ink); }
.cmd:hover { background: var(--panel-2); color: var(--ink); border-color: var(--line); }
.cmd:hover .ic { color: var(--accent); }
.cmd.on { background: color-mix(in srgb, var(--sel) 12%, transparent); border-color: color-mix(in srgb, var(--sel) 40%, transparent); color: var(--ink); }
.cmd.on .ic { color: var(--sel); }
.cmd:disabled { opacity: .38; cursor: default; background: none; border-color: transparent; }
.cmd:disabled:hover .ic { color: var(--ink); }
.cmd.grande { min-width: 76px; }
.cmd.grande .ic { width: 28px; height: 28px; color: var(--accent); }
.cmd.salir .ic { color: var(--ok); }
.cmd.pulso { animation: pulso 1.6s ease-in-out infinite; }
@keyframes pulso { 0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); } 50% { box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 22%, transparent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); } }
.vsep { width: 1px; align-self: stretch; margin: 8px 6px; background: var(--line); }

/* ---------- Área de trabajo ---------- */
.area { flex: 1; min-height: 0; display: flex; position: relative; }
.gestor { width: 280px; flex-shrink: 0; background: var(--panel); border-right: 1px solid var(--line); overflow: auto; display: flex; flex-direction: column; }
.visor { flex: 1; min-width: 0; position: relative; background: radial-gradient(120% 90% at 50% 0%, var(--vis-a), var(--vis-b)); overflow: hidden; }
#lienzo { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; outline: none; }
.capa { position: absolute; inset: 0; pointer-events: none; }

/* Árbol de operaciones */
.arbol { padding: 10px 8px; }
.arbol h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 6px 8px; display: flex; align-items: center; gap: 6px; }
.nodo { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 8px; cursor: pointer; user-select: none; position: relative; }
.nodo:hover { background: var(--panel-2); }
.nodo.sel { background: color-mix(in srgb, var(--sel) 14%, transparent); }
.nodo .ic { width: 18px; height: 18px; color: var(--ink-2); }
.nodo.op .ic { color: var(--accent); }
.nodo.cq .ic { color: var(--blue); }
.nodo.plano .ic { color: var(--muted); }
.nodo .nom { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nodo.sup .nom { color: var(--muted); text-decoration: line-through; }
.nodo .aviso { color: var(--err); font-weight: 700; }
.nodo .sub-n { font-size: 11px; color: var(--muted); }
.nodo.hijo { padding-left: 30px; }
.nodo .flecha { width: 14px; color: var(--muted); font-size: 10px; text-align: center; }
.nodo.nuevo { animation: entra .5s ease-out; }
@keyframes entra { from { background: color-mix(in srgb, var(--ok) 25%, transparent); } }
.arbol .vacio-arbol { margin: 8px; padding: 12px; border: 1px dashed var(--line-2); border-radius: 10px; color: var(--muted); font-size: 12.5px; }

/* Gestor de propiedades */
.pm { display: flex; flex-direction: column; }
.pm-cab { display: flex; align-items: center; gap: 8px; padding: 12px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.pm-cab .ic { width: 22px; height: 22px; color: var(--accent); }
.pm-cab h3 { flex: 1; font-size: 14px; }
.pm-cab .ok, .pm-cab .no { width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line-2); background: var(--panel); display: grid; place-items: center; cursor: pointer; }
.pm-cab .ok { color: #fff; background: var(--ok); border-color: var(--ok); }
.pm-cab .ok:hover { filter: brightness(1.08); }
.pm-cab .no { color: var(--err); }
.pm-cab .ok .ic, .pm-cab .no .ic { width: 18px; height: 18px; color: inherit; stroke-width: 2.2; }
.pm-g { padding: 12px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.pm-g h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.pm-g label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--ink-2); }
.pm-g select, .pm-g input[type="number"] { height: 34px; border: 1px solid var(--line-2); background: var(--panel); border-radius: 8px; padding: 0 10px; }
.pm-g input[type="number"] { font-family: var(--mono); font-size: 14px; }
.pm-g input:focus, .pm-g select:focus { outline: none; border-color: var(--sel); box-shadow: 0 0 0 3px color-mix(in srgb, var(--sel) 20%, transparent); }
.fila { display: flex; gap: 6px; align-items: center; }
.fila > * { flex: 1; }
.fila .ib { flex: 0 0 34px; height: 34px; border: 1px solid var(--line-2); }
.pm-ayuda { font-size: 12px; color: var(--muted); margin: 0; }
.pm-aviso { font-size: 12px; color: var(--err); background: color-mix(in srgb, var(--err) 8%, transparent); border-radius: 8px; padding: 8px 10px; margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-b { display: inline-flex; align-items: center; gap: 6px; padding: 4px 6px 4px 10px; border-radius: 99px; background: var(--panel-2); border: 1px solid var(--line); font-size: 12px; }
.chip-b button { border: 0; background: none; cursor: pointer; color: var(--muted); padding: 0 4px; }
.rel-btns { display: flex; flex-wrap: wrap; gap: 6px; }
.rel-btns button { border: 1px solid var(--line-2); background: var(--panel); border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 12.5px; }
.rel-btns button:hover { border-color: var(--sel); color: var(--sel); }
.pm-g label.interr { flex-direction: row; flex-wrap: wrap; }
.interr { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-2); }
.atajo { font-family: var(--mono); font-size: 11px; color: var(--muted); border: 1px solid var(--line-2); border-radius: 4px; padding: 0 4px; }

/* HUD de vistas y cubo */
.hud { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 2px; padding: 4px; background: color-mix(in srgb, var(--panel) 88%, transparent); backdrop-filter: blur(8px); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.hsep { width: 1px; height: 20px; background: var(--line); margin: 0 4px; }
.cubo { position: absolute; top: 14px; right: 18px; width: 86px; height: 86px; perspective: 400px; }
.cubo-in { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transform-style: preserve-3d; }
.cara { position: absolute; width: 56px; height: 56px; left: -28px; top: -28px; display: grid; place-items: center; font: 600 9px/1 var(--font); letter-spacing: .04em; color: var(--ink-2); background: color-mix(in srgb, var(--panel) 92%, transparent); border: 1px solid var(--line-2); cursor: pointer; backface-visibility: hidden; user-select: none; }
.cara:hover { background: color-mix(in srgb, var(--sel) 22%, var(--panel)); color: var(--sel); }

/* Bienvenida */
.bienvenida { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.bienvenida[hidden] { display: none; }
.bv-card { pointer-events: auto; width: min(460px, calc(100% - 32px)); background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-lg); padding: 26px; text-align: center; animation: sube .35s ease-out; }
@keyframes sube { from { opacity: 0; transform: translateY(10px) scale(.98); } }
.bv-ic { width: 54px; height: 54px; margin: 0 auto 12px; border-radius: 14px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); }
.bv-ic .ic { width: 30px; height: 30px; }
.bv-card h2 { font-size: 22px; letter-spacing: -.02em; }
.bv-card p { color: var(--ink-2); margin: 8px 0 16px; }
.pasos { list-style: none; padding: 0; margin: 0 0 18px; display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.pasos li { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-2); }
.pasos b { width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: var(--panel); display: grid; place-items: center; font-size: 11px; }
.bv-acc { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.enlace { border: 0; background: none; color: var(--blue); cursor: pointer; margin-top: 14px; font-weight: 500; }

/* Siguiente paso, avisos y menú contextual */
.siguiente { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 8px; padding: 8px 8px 8px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-lg); animation: sube .3s ease-out; white-space: nowrap; }
.siguiente[hidden] { display: none; }
.siguiente > span { font-size: 12.5px; color: var(--ink-2); margin-right: 4px; }
.siguiente .cerrar { border: 0; background: none; color: var(--muted); cursor: pointer; padding: 4px 6px; }
.toast { position: absolute; bottom: 18px; right: 18px; max-width: 360px; padding: 10px 14px; border-radius: 10px; background: var(--ink); color: var(--panel); box-shadow: var(--shadow-lg); font-size: 12.5px; animation: sube .25s ease-out; }
.toast.err { background: var(--err); color: #fff; }
.toast[hidden] { display: none; }
.ctx { position: absolute; z-index: 40; min-width: 200px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-lg); padding: 5px; }
.ctx[hidden] { display: none; }
.ctx button { display: flex; align-items: center; gap: 8px; width: 100%; border: 0; background: none; padding: 8px 10px; border-radius: 7px; cursor: pointer; text-align: left; }
.ctx button:hover { background: var(--panel-2); }
.ctx button.peligro { color: var(--err); }
.ctx .ic { width: 16px; height: 16px; }
.cargando { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--ink-2); background: color-mix(in srgb, var(--vis-a) 85%, transparent); z-index: 30; }
.cargando[hidden] { display: none; }
.spin { width: 30px; height: 30px; border-radius: 50%; border: 3px solid var(--line-2); border-top-color: var(--accent); animation: gira .8s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }

/* Croquis: etiquetas sobre el visor */
.sk-capa { position: absolute; inset: 0; pointer-events: none; }
.sk-cota { position: absolute; left: 0; top: 0; pointer-events: auto; cursor: pointer; font: 600 12px/1 var(--mono); color: var(--sk-cota); background: color-mix(in srgb, var(--panel) 92%, transparent); padding: 3px 5px; border-radius: 5px; border: 1px solid transparent; white-space: nowrap; }
.sk-cota:hover { border-color: var(--sk-hov); }
.sk-cota.sel { border-color: var(--sk-sel); color: var(--sk-sel); }
.sk-cota.cond { color: var(--sk-cond); font-weight: 500; }
.sk-cota.tmp { color: var(--sk-tmp); pointer-events: none; }
.sk-rel { position: absolute; left: 0; top: 0; font: 700 10px/14px var(--font); width: 14px; height: 14px; text-align: center; border-radius: 3px; background: #16a34a; color: #fff; pointer-events: auto; }
.sk-badge { position: absolute; left: 0; top: 0; font-size: 11px; font-weight: 600; color: #fff; background: var(--hover); padding: 2px 7px; border-radius: 99px; pointer-events: none; white-space: nowrap; box-shadow: var(--shadow); }
.sk-badge[hidden] { display: none; }
.sk-entrada { position: absolute; left: 0; top: 0; pointer-events: auto; display: flex; align-items: center; gap: 4px; padding: 4px; background: var(--panel); border: 1px solid var(--sel); border-radius: 9px; box-shadow: var(--shadow-lg); animation: aparece .12s ease-out; }
.sk-entrada input { width: 86px; height: 30px; border: 1px solid var(--line-2); border-radius: 6px; padding: 0 8px; font: 600 14px var(--mono); background: var(--panel-2); }
.sk-entrada input:focus { outline: none; border-color: var(--sel); }
.sk-entrada input.mal { border-color: var(--err); background: color-mix(in srgb, var(--err) 8%, var(--panel)); }
.sk-entrada button { width: 30px; height: 30px; border-radius: 6px; border: 0; cursor: pointer; font-weight: 700; }
.sk-entrada .ok { background: var(--ok); color: #fff; }
.sk-entrada .no { background: var(--panel-2); color: var(--err); }
.flecha-lbl { position: absolute; left: 0; top: 0; font: 600 12px var(--mono); color: #fff; background: var(--hover); padding: 3px 7px; border-radius: 6px; pointer-events: none; box-shadow: var(--shadow); }

/* Vistas DT */
.hojadt { width: min(46vw, 640px); flex-shrink: 0; background: var(--panel); border-left: 1px solid var(--line); display: flex; flex-direction: column; animation: desliza .25s ease-out; }
.hojadt[hidden] { display: none; }
@keyframes desliza { from { transform: translateX(30px); opacity: 0; } }
.hd-cab { display: flex; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.hd-cab h3 { flex: 1; font-size: 13px; }
.hd-hoja { flex: 1; min-height: 0; overflow: auto; padding: 16px; background: #fff; }
.hd-hoja svg { width: 100%; height: auto; max-height: 100%; }
.hd-hoja .vis { stroke: #111; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.hd-hoja .ocu { stroke: #111; fill: none; stroke-dasharray: 2 1.2; }
.hd-hoja text { fill: #6b7280; font: 3.5px var(--font); }
.hd-hoja .vacio { color: #6b7280; }

/* Barra de estado */
.estado { display: flex; align-items: center; gap: 12px; height: 30px; padding: 0 12px; background: var(--panel); border-top: 1px solid var(--line); font-size: 12px; color: var(--ink-2); white-space: nowrap; overflow: hidden; }
#pista { overflow: hidden; text-overflow: ellipsis; }
.chip { font-size: 11.5px; font-weight: 600; padding: 2px 9px; border-radius: 99px; }
.chip.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.chip.sub { color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, transparent); }
.chip[hidden] { display: none; }

.solo-movil { display: none; }
@media (max-width: 900px) {
  .solo-movil { display: grid; }
  .gestor { position: absolute; left: 0; top: 0; bottom: 0; z-index: 20; width: 260px; box-shadow: var(--shadow-lg); transform: translateX(-105%); transition: transform .2s ease-out; }
  body.ver-arbol .gestor { transform: none; }
  .beta, .doc-ic { display: none; }
  .hojadt { position: absolute; right: 0; top: 0; bottom: 0; z-index: 25; width: 100%; }
  .cubo { top: 60px; }
}