/* ==========================================================================
   Cortador de piezas — la piel del editor. Solo la carga /cortador/.

   styles.css (compartido con el cotizador) pone los cimientos: tokens,
   botones, .pieza-fila, .plano-fila, .pincel-*. Aquí vive la retícula del
   editor — barra de herramientas vertical, visor protagonista, panel en
   tarjetas — todo bajo el prefijo .ctr para no rozar al resto del sitio.
   ========================================================================== */

/* Barra de herramientas a la izquierda, visor al lado, y los paneles de
   piezas/transformar/cortes en una fila debajo del visor. */
.ctr {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  grid-template-areas:
    "tools stage"
    "panel panel";
  gap: 14px;
  align-items: start;
}

/* --------------------------------------------- barra de herramientas --- */

.ctr-tools {
  grid-area: tools;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 7px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  position: sticky;
  top: 82px;
}
.ctr-sep {
  width: 26px; height: 1px;
  background: var(--border);
  margin: 4px 0;
}
.ctr-tool {
  position: relative;
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border: 0; border-radius: 11px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: background .14s var(--ease), color .14s var(--ease);
}
.ctr-tool svg { width: 20px; height: 20px; display: block; }
.ctr-tool:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }
.ctr-tool:disabled { opacity: .32; cursor: default; }
.ctr-tool.visor-btn--activo { background: var(--ink); color: #fff; }
.ctr-tool--cargar { background: var(--brand); color: #fff; }
.ctr-tool--cargar:hover { background: var(--brand-600); color: #fff; }
/* la letra del atajo, abajo a la derecha del botón */
.ctr-tool[data-key]::after {
  content: attr(data-key);
  position: absolute; right: 4px; bottom: 2px;
  font-family: var(--font-mono);
  font-size: 8px; font-weight: 700;
  opacity: .55;
}

/* ------------------------------------------------------------- visor --- */

.ctr-stage {
  grid-area: stage;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.ctr-marco { position: relative; }
.ctr-marco canvas { touch-action: none; }

/* la zona de carga llena el visor cuando no hay piezas */
.ctr .dropzone {
  border: 0; border-radius: 0;
  background: var(--bg-2);
  min-height: clamp(340px, 58vh, 600px);
  display: grid;
  place-content: center;
}
.ctr .dropzone:hover, .ctr .dropzone.is-over { background: var(--brand-dim); }

.ctr-chip {
  position: absolute; top: 10px; right: 12px;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(5px);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 4px 11px;
  pointer-events: none;
}
.ctr-chip:empty { display: none; }

/* el panel del pincel flota sobre el visor, no empuja el layout */
.ctr .pincel-panel {
  position: absolute; top: 10px; left: 50%;
  transform: translateX(-50%);
  margin: 0;
  max-width: calc(100% - 20px);
  padding: 8px 13px;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-radius: 13px;
  box-shadow: 0 8px 26px rgba(13, 17, 23, .10);
}

.ctr .pincel-sec--borrar { color: var(--text-2); width: auto; padding: 0 10px; }

.ctr-status {
  margin: 0;
  padding: 9px 16px;
  border-top: 1px solid var(--border-soft);
  background: var(--bg-2);
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.45;
}

/* ------------------------------------------------------ panel lateral --- */

.ctr-side {
  grid-area: panel;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
  align-items: start;
}
.ctr-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 15px;
}
.ctr-card__titulo {
  font-family: var(--font-mono);
  font-size: .665rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

/* --------------------------------------------- desplegable de piezas --- */

.ctr-desplegable-caja { position: relative; }
.ctr-desplegable {
  display: flex; align-items: center; gap: 9px;
  width: 100%;
  font: inherit; font-size: .85rem; font-weight: 560;
  padding: 9px 11px;
  background: var(--bg-2);
  border: 1px solid var(--border); border-radius: 10px;
  color: var(--text);
  cursor: pointer;
  transition: border-color .14s var(--ease);
}
.ctr-desplegable:hover:not(:disabled) { border-color: #cfd8e3; }
.ctr-desplegable:disabled { opacity: .55; cursor: default; }
.ctr-desplegable__nombre {
  flex: 1; text-align: left;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ctr-desplegable > svg {
  width: 15px; height: 15px; flex: none;
  color: var(--muted);
  transition: transform .15s var(--ease);
}
.ctr-desplegable[aria-expanded="true"] > svg { transform: rotate(180deg); }

.ctr-piezas-menu {
  position: absolute;
  left: 0; right: 0;
  top: calc(100% + 6px);
  z-index: 30;
  margin: 0;
  padding: 6px;
  max-height: 330px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 14px 34px rgba(13, 17, 23, .14);
}

/* grupos de controles: etiqueta arriba, campos en fila o rejilla de tres */
.ctr .ctl-grupo { display: block; margin: 13px 0 0; }
.ctr .ctl-grupo:first-of-type { margin-top: 0; }
.ctr .ctl-grupo > span:first-child {
  display: block;
  font-family: var(--font-mono);
  font-size: .62rem;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}
.ctr-tres {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.ctr-tres label {
  display: flex; align-items: center; gap: 6px;
  font-size: .74rem; color: var(--muted);
}
.ctr-tres b { font-weight: 600; }
.ctr-tres .ctl-num { width: 100%; min-width: 0; }
.ctr-fila {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 7px;
}
.ctr-fila input[type="range"] { flex: 1; min-width: 80px; accent-color: var(--brand); }
.ctr-check {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 8px;
  font-size: .8rem; color: var(--text-2);
  cursor: pointer; user-select: none;
}
.ctr-check input { accent-color: var(--brand); }

.ctr-mini {
  font: inherit; font-size: .76rem; font-weight: 580;
  padding: 6px 11px;
  border: 1px solid var(--border); border-radius: 8px;
  background: #fff; color: var(--text-2);
  cursor: pointer;
  transition: border-color .14s var(--ease), color .14s var(--ease);
}
.ctr-mini:hover { border-color: #cfd8e3; color: var(--text); }
.ctr-mini--rojo:hover { border-color: rgba(180, 35, 24, .4); color: var(--bad); }

/* la lista de planos, compacta para 300 px de ancho */
.ctr .plano-fila {
  grid-template-columns: auto 1fr 46px auto;
  gap: 7px;
  margin-top: 8px;
  font-size: .68rem;
}
.ctr-cortar { width: 100%; margin-top: 12px; justify-content: center; }
.ctr-cortar:disabled { opacity: .38; cursor: default; }

/* --------------------------------------------------------- cotización --- */

.ctr-quote { margin-top: 14px; }
.ctr-quote .quote-total { margin-top: 0; padding: 20px 24px; border-radius: 16px; }

/* ---------------------------------------------------------- angosto --- */

@media (max-width: 980px) {
  .ctr {
    grid-template-columns: 1fr;
    grid-template-areas: "tools" "stage" "panel";
  }
  .ctr-tools {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 14px;
  }
  .ctr-sep { width: 1px; height: 26px; margin: 0 4px; }
  .ctr .dropzone { min-height: 300px; }
}