/* ==========================================================================
   Frasso Studio — Elements Explorer Stylesheet (Interactive Canvas & Accordion)
   ========================================================================== */

.elements-explorer-root {
  width: 100%;
  height: 100vh;
  height: 100svh;
  min-height: 650px;
  position: relative;
  background-color: var(--wool);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* Desktop Stage Canvas */
.elements-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: default;
}

/* Precision Crosshairs Grid Lines */
.elements-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--duration-mid) var(--ease-out);
}
.elements-stage.is-engaged .elements-grid {
  opacity: 1;
}

.gridLine-v, .gridLine-h {
  position: absolute;
  background-color: rgba(48, 38, 32, 0.16);
  will-change: transform;
}
.gridLine-v {
  width: 1px;
  top: 0;
  bottom: 0;
}
.gridLine-h {
  height: 1px;
  left: 0;
  right: 0;
}

/* Detail Photo Collage Crops */
.elements-crops {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}

.element-crop {
  position: absolute;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--linen);
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.45s var(--ease-out), transform 0.65s var(--ease-out), box-shadow 0.45s ease;
  box-shadow: 0 4px 16px rgba(48, 38, 32, 0.08);
}
.element-crop.is-in {
  opacity: 1;
  transform: scale(1);
  box-shadow: 0 12px 32px rgba(48, 38, 32, 0.14);
}
.element-crop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Architectural Markers & Tags */
.elements-markers, .elements-labels {
  position: absolute;
  inset: 0;
}
.elements-labels {
  pointer-events: none;
  z-index: 5;
}
.elements-markers {
  z-index: 6;
}

.element-marker {
  position: absolute;
  width: 38px;
  height: 38px;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  transition: opacity var(--duration-mid) var(--ease-out);
}
.marker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--slate);
  opacity: 0.7;
  position: relative;
  transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}
.marker-dot::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(48, 38, 32, 0.35);
  transform: translate(-50%, -50%) scale(0.4);
  opacity: 0;
  transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}

.element-marker:hover .marker-dot, .element-marker.active .marker-dot {
  opacity: 1;
  transform: scale(1.15);
}
.element-marker.active .marker-dot::after, .element-marker.locked .marker-dot::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  border-color: var(--slate);
}

.element-tag {
  position: absolute;
  transform: translate(-50%, -50%);
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--slate);
  opacity: 0.75;
  cursor: pointer;
  pointer-events: auto;
  white-space: nowrap;
  transition: opacity var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.element-tag:hover, .element-tag.active, .element-tag.locked {
  opacity: 1;
  font-weight: 500;
}

/* Non-active markers fade out when engaged */
.elements-stage.is-engaged .element-marker:not(.active):not(.locked),
.elements-stage.is-engaged .element-tag:not(.active):not(.locked) {
  opacity: 0;
  pointer-events: none;
}

/* Glassmorphic Element Detail Aside Panel */
.element-panel {
  position: absolute;
  z-index: 20;
  width: 360px;
  background: rgba(246, 242, 235, 0.88);
  backdrop-filter: blur(28px) saturate(160%) brightness(1.02);
  -webkit-backdrop-filter: blur(28px) saturate(160%) brightness(1.02);
  border: 1px solid rgba(48, 38, 32, 0.14);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 48px rgba(48, 38, 32, 0.12);
  padding: clamp(20px, 2.2vw, 32px) clamp(22px, 2.4vw, 36px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.99);
  transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
}
.elements-stage.is-locked .element-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.element-panel-title {
  font-family: var(--font-display);
  font-size: clamp(19px, 1.7vw, 26px);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--slate);
  margin-bottom: 12px;
}
.element-panel-rule {
  width: 32px;
  height: 1px;
  background-color: rgba(48, 38, 32, 0.25);
  margin-bottom: 16px;
}
.element-panel-desc {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--slate);
  margin-bottom: 24px;
}
.element-panel-refs-label {
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--walnut);
  margin-bottom: 8px;
}
.element-panel-refs {
  display: flex;
  flex-direction: column;
}
.element-ref-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid rgba(48, 38, 32, 0.12);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  text-decoration: none;
  transition: padding-left var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.element-ref-link:last-child {
  border-bottom: 1px solid rgba(48, 38, 32, 0.12);
}
.element-ref-link:hover {
  padding-left: 6px;
  color: var(--walnut);
}
.element-ref-num {
  font-size: 9.5px;
  color: var(--walnut);
  font-variant-numeric: tabular-nums;
}

.element-panel-close {
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--walnut);
  cursor: pointer;
  padding: 4px 6px;
  transition: opacity var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.element-panel-close:hover {
  opacity: 0.6;
  color: var(--slate);
}

/* --------------------------------------------------------------------------
   Mobile Accordion View
   -------------------------------------------------------------------------- */
.elements-mobile {
  display: none;
}

@media (max-width: 900px) {
  .elements-explorer-root {
    height: auto;
    min-height: 0;
    overflow: visible;
  }
  .elements-stage {
    display: none;
  }
  .elements-mobile {
    display: block;
    padding: clamp(96px, 20vw, 132px) clamp(20px, 6vw, 40px) clamp(48px, 16vw, 96px);
  }

  .elements-m-list {
    list-style: none;
    border-top: 1px solid var(--color-border);
  }
  .elements-m-item {
    border-bottom: 1px solid var(--color-border);
  }
  .elements-m-row {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(18px, 5vw, 26px) 0;
    cursor: pointer;
    text-align: left;
  }
  .elements-m-name {
    font-family: var(--font-display);
    font-size: clamp(20px, 6vw, 28px);
    font-weight: 300;
    color: var(--slate);
  }
  .elements-m-sign {
    width: 14px;
    height: 14px;
    position: relative;
    opacity: 0.7;
    transition: transform var(--duration-fast) var(--ease-out);
  }
  .elements-m-sign::before, .elements-m-sign::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    background-color: var(--slate);
  }
  .elements-m-sign::before {
    width: 14px;
    height: 1px;
    transform: translate(-50%, -50%);
  }
  .elements-m-sign::after {
    width: 1px;
    height: 14px;
    transform: translate(-50%, -50%);
  }
  .elements-m-row[aria-expanded="true"] .elements-m-sign {
    transform: rotate(90deg);
  }
  .elements-m-row[aria-expanded="true"] .elements-m-sign::before {
    transform: translate(-50%, -50%) scaleX(0);
  }

  .elements-m-panel {
    display: none;
    padding-bottom: 28px;
  }
  .elements-m-panel.open {
    display: block;
  }

  .elements-m-strip {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 20px;
    scroll-snap-type: x mandatory;
  }
  .elements-m-crop {
    flex-shrink: 0;
    width: clamp(160px, 45vw, 220px);
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-sm);
    overflow: hidden;
    scroll-snap-align: start;
    background-color: var(--linen);
  }
  .elements-m-crop img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .elements-m-desc {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: var(--leading-body);
    color: var(--slate);
    margin-bottom: 20px;
  }
  .elements-m-refs-label {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--walnut);
    margin-bottom: 8px;
  }
  .elements-m-refs {
    display: flex;
    flex-direction: column;
  }
  .elements-m-ref {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 10px 0;
    border-top: 1px solid var(--color-border);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--slate);
    text-decoration: none;
  }
  .elements-m-ref:last-child {
    border-bottom: 1px solid var(--color-border);
  }
}