:root{
  --fondo: #000;
  --panel:var(--mx-fondo);
  --linea:var(--mx-linea);
  --linea-2:var(--mx-linea-2);
  --tenue:var(--mx-apagado);
  --texto:var(--mx-sec);
  --claro:var(--mx-texto);
  --mono:var(--mx-sans);
  --sans:var(--mx-sans);
  --tit:var(--mx-sans);
  color-scheme: dark;
}
*{ box-sizing: border-box; }
html, body{ height: 100%; margin: 0; background: var(--fondo); color: var(--texto); }
body{ font: 400 12px/1.3 var(--sans); -webkit-font-smoothing: antialiased; overflow: hidden; }
button, input{ font: inherit; color: inherit; }
button{ cursor: pointer; }
:focus{ outline: none; }
:focus-visible{ outline: 1px solid var(--claro); outline-offset: 2px; }

#app{ display: grid; grid-template-columns: 300px minmax(0, 1fr); height: 100dvh; }

/* Lienzo */
#escena{ position: relative; min-width: 0; min-height: 0; overflow: hidden; background: #000; }
#marco{ position: absolute; }
#marco canvas{ position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#capa{ touch-action: none; cursor: move; }
#capa.sobre{ cursor: grab; }
#capa.tira{ cursor: grabbing; }
#capa:focus-visible{ outline-offset: -3px; outline-color: rgba(255,255,255,.4); }
#estado{ position: absolute; left: 14px; bottom: 11px; right: 90px; margin: 0; font: 12px/1.3 var(--sans); color: var(--claro); opacity: .5; pointer-events: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#firma{ position: absolute; right: 12px; bottom: 10px; font: 12px/1 var(--sans); color: var(--claro); opacity: .4; text-decoration: none; }
#firma:hover{ opacity: 1; }
#suelta{ position: absolute; inset: 12px; display: grid; place-items: center; border: 1px dashed rgba(255,255,255,.8); background: rgba(0,0,0,.6); color: #fff; font-size: 13px; pointer-events: none; }
#suelta[hidden], #sinGL[hidden]{ display: none; }
#sinGL{ position: absolute; inset: 0; display: grid; place-content: center; padding: 32px; text-align: center; gap: 8px; max-width: 460px; margin: auto; color: var(--texto); font-size: 13px; line-height: 1.5; }
#sinGL p{ margin: 0; }

/* Panel */
#panel{ display: flex; flex-direction: column; min-height: 0; background: var(--panel); border-right: 1px solid var(--linea); }
.cab{ flex: none; display: flex; align-items: center; gap: 6px; height: 42px; padding: 0 12px; border-bottom: 1px solid var(--linea); }
h1{ margin: 0 auto 0 0;;;; }
.cab button{ height: 24px; padding: 0 9px; border: 1px solid var(--linea-2); background: transparent; border-radius:var(--mx-r); font: 12px/1 var(--sans); color: var(--claro); }
.cab button:hover{ border-color: var(--claro); }
.cab button[aria-pressed="true"]{ background: var(--claro); color:var(--mx-fondo); border-color: var(--claro); }
#cuerpo{ flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--linea-2) transparent; }
.grupo{ padding: 11px 12px; border-bottom: 1px solid var(--linea); }
h2{ margin: 0 0 8px;;; display: flex; gap: 8px; align-items: baseline; justify-content: space-between; }
.tenue{ color: var(--tenue); text-transform: none; font-weight: 400; }
.nom{ font: 12px/1 var(--sans); color: var(--texto); }

/* Fichas de los ajustes: cada una es la forma dibujada por el propio motor */
.fichas{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.fichas button{ position: relative; padding: 0 0 15px; border: 1px solid var(--linea); background: #000; border-radius:var(--mx-r); overflow: hidden; }
.fichas canvas{ display: block; width: 100%; aspect-ratio: 1; }
.fichas span{ position: absolute; left: 0; right: 0; bottom: 3px; font: 12px/1 var(--sans); color: var(--texto); text-align: center; white-space: nowrap; overflow: hidden; }
.fichas button:hover{ border-color: var(--linea-2); }
.fichas button:hover span{ color: var(--claro); }
.fichas button[aria-pressed="true"]{ border-color: var(--claro); }
.fichas button[aria-pressed="true"] span{ color: var(--claro); }

.chico, .grande{ height: 24px; padding: 0 8px; border: 1px solid var(--linea-2); background: transparent; color: var(--texto); border-radius:var(--mx-r); font: 12px/1 var(--sans); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chico:hover, .grande:hover{ border-color: var(--claro); color: var(--claro); }
.chico:disabled{ opacity: .4; cursor: default; }
.grande{ height: 30px; color: var(--claro); }
.grande:disabled{ opacity: .5; cursor: progress; }
.chico{ display: inline-flex; align-items: center; justify-content: center; }
.chico.ancho{ width: 100%; margin-top: 8px; }
.acciones{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; margin-top: 7px; }
.fila-btn{ display: flex; flex-wrap: wrap; gap: 5px; margin: 8px 0 2px; }
.subir{ position: relative; cursor: pointer; }
.subir input{ position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.subir:focus-within{ outline: 1px solid var(--claro); outline-offset: 2px; }

.fila{ display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 7px 0 0; min-height: 24px; }
.seg{ display: inline-flex; border: 1px solid var(--linea-2); }
.seg.tres{ display: grid; grid-template-columns: repeat(3, 1fr); width: 100%; }
.seg.cuatro{ display: grid; grid-template-columns: repeat(4, 1fr); width: 100%; }
.seg button{ border: 0; border-right: 1px solid var(--linea-2); background: transparent; height: 22px; padding: 0 7px; font: 12px/1 var(--sans); color: var(--texto); border-radius:var(--mx-r); }
.seg.tres button:nth-child(3n){ border-right: 0; }
.seg.tres button:nth-child(n+4){ border-top: 1px solid var(--linea-2); }
.seg button:last-child{ border-right: 0; }
.seg button:hover{ color: var(--claro); }
.seg button[aria-checked="true"]{ background: var(--claro); color:var(--mx-fondo); }
.seg button:focus-visible{ outline-offset: -2px; }

/* Deslizadores: una raya fina y el valor a la derecha */
.ctl{ display: grid; grid-template-columns: 72px minmax(0, 1fr) 36px; align-items: center; column-gap: 8px; min-height: 20px; }
.ctl .nom{ white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ctl output{ font: 12px/1 var(--mono); color: var(--claro); text-align: right; font-variant-numeric: tabular-nums; }
#g-forma .ctl:first-child, #g-def .ctl:first-child{ margin-top: 5px; }
#g-forma{ margin-top: 5px; }

.texto{ display: flex; align-items: center; gap: 8px; margin: 6px 0; }
.texto .nom{ flex: 0 0 72px; }
input[type="text"]{ flex: 1; min-width: 0; height: 24px; padding: 0 7px; background: #000; border: 1px solid var(--linea-2); border-radius:var(--mx-r); font: 12px/1 var(--sans); color: var(--claro); }
input[type="text"]::placeholder{ color: var(--tenue); }
input[type="text"]:focus-visible{ outline-offset: 0; border-color: var(--claro); }

.chips-fila{ display: flex; align-items: center; gap: 5px; margin-bottom: 4px; }
.chips{ display: flex; flex-wrap: wrap; gap: 3px; margin-right: auto; min-height: 24px; align-items: center; }
.chips button{ width: 24px; height: 24px; padding: 0; border: 1px solid var(--linea-2); background: transparent; font: 12px/1 var(--mono); color: var(--texto); border-radius:var(--mx-r); }
.chips button[aria-selected="true"]{ background: var(--claro); color:var(--mx-fondo); border-color: var(--claro); }
.chips:empty::before{ content: "Sin esferas"; font: 12px/1 var(--sans); color: var(--tenue); }

.luz-fila{ display: grid; grid-template-columns: 66px minmax(0, 1fr); gap: 10px; align-items: center; }
#pad{ position: relative; width: 66px; height: 66px; border-radius: 50%; border: 1px solid var(--linea-2); background:
  linear-gradient(var(--linea), var(--linea)) center / 1px 100% no-repeat,
  linear-gradient(var(--linea), var(--linea)) center / 100% 1px no-repeat; cursor: crosshair; touch-action: none; }
#pad i{ position: absolute; width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; border-radius: 50%; background: var(--claro); left: 50%; top: 50%; }
.luz-sl .ctl{ grid-template-columns: 56px minmax(0, 1fr) 30px; column-gap: 6px; }

.colores{ display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.color{ display: flex; align-items: center; gap: 6px; }
input[type="color"]{ -webkit-appearance: none; appearance: none; width: 24px; height: 20px; padding: 0; border: 1px solid var(--linea-2); background: none; border-radius:var(--mx-r); cursor: pointer; }
input[type="color"]::-webkit-color-swatch-wrapper{ padding: 2px; }
input[type="color"]::-webkit-color-swatch{ border: 0; }
.muestras{ display: flex; gap: 4px; margin-left: auto; }
.muestras button{ width: 16px; height: 16px; border: 1px solid var(--linea-2); border-radius:var(--mx-r); padding: 0; }
.muestras button:hover{ border-color: var(--claro); }
.msg{ margin: 6px 0 0; min-height: 12px; font: 12px/1.3 var(--sans); color: var(--tenue); }

.salida{ flex: none; padding: 5px 12px 9px; border-top: 1px solid var(--linea-2); background: var(--panel); }
.salida .fila{ margin-top: 3px; }

@media (max-width: 760px) {
  #app{ grid-template-columns: minmax(0, 1fr); grid-template-rows: 52dvh minmax(0, 1fr); }
  #escena{ order: -1; }
  #panel{ border-right: 0; border-top: 1px solid var(--linea); overflow-y: auto; display: block; }
  #cuerpo{ overflow: visible; }
  .salida{ position: static; }
  .ctl{ min-height: 30px; }
  .chico, .seg button, .chips button{ height: 32px; }
  .chips button{ width: 32px; }
  .grande{ height: 38px; }
  .cab button{ height: 30px; }
  .seg:not(.tres):not(.cuatro) button{ padding: 0 9px; }
  #estado{ font-size: 12px; right: 70px; }
}
@media (prefers-reduced-motion: reduce) { *{ transition: none !important; } }

/* ── Moxen: lo propio de esta herramienta ── */
.seg.tres button:nth-child(n+4) { border-top: 0; }
.ctl { grid-template-columns: 80px minmax(0, 1fr) 36px; }
.luz-sl .ctl { grid-template-columns: 62px minmax(0, 1fr) 30px; }
.seg { border: 0; }