/* Capa de apoyos visuales transparentes interactivos en el bosque 3D */
.procedimiento-layer {
  position: fixed;
  left: var(--deck-left);
  top: 50%;
  transform: translateY(-50%);
  width: var(--deck-width);
  max-height: 88vh;
  z-index: 4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  perspective: 1200px;
  transform-style: preserve-3d;
  pointer-events: auto;
  transition: top 380ms cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 380ms cubic-bezier(0.2, 0.8, 0.2, 1),
              max-height 380ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Reacomodación cuando el Visor 3D Cartesiano está abierto */
.app-shell.has-active-3d-graph .procedimiento-layer {
  top: auto;
  bottom: calc(clamp(74px, 7vh, 90px) + min(34vh, 360px) + var(--deck-gap));
  transform: none;
  max-height: 88vh;
}

/* Grillas adaptativas proporcionales */
.procedimiento-grid {
  display: grid;
  width: 100%;
  min-height: 0;
  gap: 16px;
  align-items: stretch;
  justify-items: stretch;
  transform-style: preserve-3d;
}

.procedimiento-grid.grid-s1 {
  grid-template-columns: 585fr 715fr;
  gap: 18px;
}

.procedimiento-grid.grid-s2 {
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.procedimiento-grid.grid-s3,
.procedimiento-grid.grid-s4 {
  grid-template-columns: 405fr 445fr 445fr;
  gap: 16px;
}

.procedimiento-grid.grid-s5,
.procedimiento-grid.grid-s9 {
  grid-template-columns: 645fr 655fr;
  gap: 18px;
}

.procedimiento-grid.grid-s6 {
  grid-template-columns: 425fr 435fr 425fr;
  gap: 14px;
}

.procedimiento-grid.grid-s6 .col-span-full {
  grid-column: 1 / -1;
}

.procedimiento-grid.grid-s7 {
  grid-template-columns: 1fr;
}

.procedimiento-grid.grid-s8 {
  grid-template-columns: 645fr 655fr;
  grid-template-rows: repeat(2, auto);
  gap: 16px 20px;
}

.procedimiento-grid.grid-s10 {
  grid-template-columns: 418fr 415fr 418fr;
  gap: 16px;
}

/* Ítems / Cards Matemáticas */
.proc-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: grab;
  border-radius: 12px;
  transform-origin: center center;
  transform-style: preserve-3d;
  will-change: transform, opacity;
  backface-visibility: visible;
  outline: none;
  opacity: 0.92;
  filter: drop-shadow(0 14px 32px rgba(0, 0, 0, 0.5));
  transition: opacity 300ms ease, filter 300ms ease;
}

.proc-card-surface {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  transform-origin: center center;
  backface-visibility: visible;
}

.proc-item:focus-visible {
  outline: 2px solid rgba(117, 211, 192, 0.6);
  outline-offset: 4px;
}

.proc-item.is-dragging {
  cursor: grabbing !important;
  z-index: 10 !important;
}

.proc-card-img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 86vh;
  object-fit: fill;
  image-rendering: auto;
  backface-visibility: visible;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.proc-item:hover {
  filter: drop-shadow(0 0 20px rgba(117, 211, 192, 0.5)) drop-shadow(0 18px 36px rgba(0, 0, 0, 0.55));
}

/* Marco Spotlight de Iluminación Exacta de Texto/Desarrollo */
.proc-spotlight-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  border: 1.5px solid var(--orange);
  background: radial-gradient(circle at center, rgba(240, 179, 108, 0.18) 0%, rgba(240, 179, 108, 0.04) 70%, transparent 100%);
  box-shadow: 0 0 24px rgba(240, 179, 108, 0.65), inset 0 0 16px rgba(240, 179, 108, 0.25);
  pointer-events: none;
  opacity: 0;
  z-index: 5;
  will-change: top, left, width, height, opacity, transform;
  transition: border-color 200ms ease;
}

.spotlight-bracket {
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: #fff;
  border-style: solid;
}

.spotlight-bracket.top-left {
  top: -2px;
  left: -2px;
  border-width: 2px 0 0 2px;
}

.spotlight-bracket.top-right {
  top: -2px;
  right: -2px;
  border-width: 2px 2px 0 0;
}

.spotlight-bracket.bottom-left {
  bottom: -2px;
  left: -2px;
  border-width: 0 0 2px 2px;
}

.spotlight-bracket.bottom-right {
  bottom: -2px;
  right: -2px;
  border-width: 0 2px 2px 0;
}

@media (max-width: 900px) {
  .procedimiento-layer {
    left: 4vw;
    top: 32%;
    width: min(92vw, 760px);
    max-height: 70vh;
  }
}

@media (max-width: 560px) {
  .procedimiento-layer {
    left: 4vw;
    top: 28%;
    width: 92vw;
  }
  .procedimiento-grid.grid-s1,
  .procedimiento-grid.grid-s2,
  .procedimiento-grid.grid-s3,
  .procedimiento-grid.grid-s4,
  .procedimiento-grid.grid-s5,
  .procedimiento-grid.grid-s6,
  .procedimiento-grid.grid-s8,
  .procedimiento-grid.grid-s9,
  .procedimiento-grid.grid-s10 {
    grid-template-columns: 1fr;
  }
}