/* ==========================================================================
   FRAME X STUDIO
   Layered frame preview (services/studio-engine.js → renderPreview) and the
   editor layout: big preview + option panel on desktop; preview, summary,
   sections and a sticky price bar on phones. Shared tokens only.
   ========================================================================== */

/* A task screen: warm page, white cards (as on the wall-art customiser, checkout and the account) */
.fs-crumbs,
.fs-section {
  background: var(--ivory);
}

.fs-section {
  padding-top: clamp(8px, 2vw, 16px);
}

.fs-loading {
  display: grid;
  gap: 24px;
}

@media (min-width: 960px) {
  .fs-loading {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* Header ------------------------------------------------------------------ */
.fs-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px 20px;
  margin-bottom: clamp(16px, 3vw, 28px);
}

.fs-brand span {
  color: var(--amber-strong);
}

.fs-tagline {
  margin-top: 6px;
  color: var(--taupe);
}

.fs-mode {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-warm);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--umber);
  font-size: var(--text-sm);
  font-weight: 600;
}

.fs-mode .icon {
  color: var(--gold-muted);
}

/* Layout -------------------------------------------------------------------- */
.fs-layout {
  display: grid;
  gap: clamp(18px, 3vw, 40px);
}

@media (min-width: 960px) {
  .fs-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(360px, 1fr);
    align-items: start;
  }

  .fs-stagecol {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }
}

/* The "wall" the frame hangs on */
.fs-stage {
  display: grid;
  place-items: center;
  min-height: clamp(300px, 52vw, 640px);
  padding: clamp(20px, 5vw, 56px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 50% 30%, rgba(255, 255, 255, 0.65), transparent 65%),
    linear-gradient(180deg, #efe6d8, #e3d6c2);
  overflow: hidden;
}

@media (min-width: 960px) {
  .fs-stage {
    height: calc(100svh - var(--header-h) - 140px);
    min-height: 460px;
    max-height: 760px;
  }
}

/* Bigger sizes look bigger on the wall (--size-scale); the frame never
   outgrows the stage (--frame-aspect keeps tall frames inside it). */
.fs-preview {
  display: grid;
  place-items: center;
  width: min(calc(var(--size-scale, 1) * 100%), calc(var(--size-scale, 1) * var(--frame-aspect, 0.8) * (min(100svh, 900px) - var(--header-h) - 230px)));
  transition: width 360ms var(--ease-out);
}

@media (max-width: 959px) {
  .fs-preview {
    width: min(calc(var(--size-scale, 1) * 100%), calc(var(--size-scale, 1) * var(--frame-aspect, 0.8) * 52svh));
  }
}

.fs-stage__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  margin-top: 10px;
  color: var(--taupe);
  font-size: var(--text-xs);
}

.fs-stage__meta span:first-child {
  color: var(--charcoal);
  font-weight: 700;
}

/* Frame layers ------------------------------------------------------------------ */
.fs-frame {
  position: relative;
  width: 100%;
  container-type: inline-size;
  filter: drop-shadow(0 2.2cqw 2.6cqw rgba(48, 34, 20, 0.35)) drop-shadow(0 0.4cqw 0.5cqw rgba(48, 34, 20, 0.25));
}

.fs-layer {
  position: absolute;
  display: block;
}

/* 1. Moulding */
.fs-layer--frame {
  background-color: var(--frame);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0) 38%, rgba(0, 0, 0, 0.2));
  box-shadow:
    inset 0 0 0 0.25cqw rgba(255, 255, 255, 0.12),
    inset 0 0 0 0.5cqw rgba(0, 0, 0, 0.12);
}

.fs-frame--bevel .fs-layer--frame {
  box-shadow:
    inset 0 0 0 0.25cqw rgba(255, 255, 255, 0.14),
    inset 0 0 0 calc(var(--fw) * 0.45) rgba(255, 255, 255, 0.05),
    inset 0 0 0 calc(var(--fw) * 0.5) rgba(0, 0, 0, 0.14);
}

.fs-frame--ornate .fs-layer--frame {
  background-image:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.22) 0.35cqw, transparent 0.45cqw),
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 40%, rgba(0, 0, 0, 0.28));
  background-size: 1.6cqw 1.6cqw, 100% 100%;
  box-shadow:
    inset 0 0 0 0.3cqw rgba(0, 0, 0, 0.3),
    inset 0 0 0 calc(var(--fw) * 0.3) rgba(255, 255, 255, 0.08),
    inset 0 0 0 calc(var(--fw) * 0.34) rgba(0, 0, 0, 0.22),
    inset 0 0 0 calc(var(--fw) * 0.7) rgba(255, 255, 255, 0.06),
    inset 0 0 0 calc(var(--fw) * 0.75) rgba(0, 0, 0, 0.2);
}

.fs-frame--float .fs-layer--frame {
  box-shadow:
    inset 0 0 0 0.25cqw rgba(255, 255, 255, 0.12),
    inset 0 0 0 calc(var(--fw) * 0.55) var(--frame),
    inset 0 0 0 var(--fw) rgba(0, 0, 0, 0.35);
}

.fs-frame--none .fs-layer--frame {
  background: none;
  box-shadow: none;
}

/* Materials */
.fs-tex--wood .fs-layer--frame {
  background-image:
    repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.07) 0 0.25cqw, transparent 0.25cqw 0.9cqw, rgba(255, 255, 255, 0.05) 0.9cqw 1.1cqw, transparent 1.1cqw 1.9cqw),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.06) 0 0.2cqw, transparent 0.2cqw 1.3cqw),
    linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0) 40%, rgba(0, 0, 0, 0.22));
}

.fs-tex--metal .fs-layer--frame {
  background-image:
    linear-gradient(135deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, 0.25) 55%, rgba(0, 0, 0, 0.22)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 0.15cqw, transparent 0.15cqw 0.4cqw);
}

/* Finishes (drawn over the moulding) */
.fs-layer--frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.fs-finish--gloss .fs-layer--frame::after {
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0) 22%, rgba(255, 255, 255, 0) 70%, rgba(255, 255, 255, 0.18) 85%, rgba(255, 255, 255, 0) 100%);
}

.fs-finish--metallic .fs-layer--frame::after {
  background: linear-gradient(100deg, rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, 0.35) 45%, rgba(255, 255, 255, 0) 60%);
}

.fs-finish--textured .fs-layer--frame::after {
  background-image: radial-gradient(rgba(0, 0, 0, 0.12) 0.12cqw, transparent 0.16cqw), radial-gradient(rgba(255, 255, 255, 0.1) 0.1cqw, transparent 0.14cqw);
  background-size: 0.7cqw 0.7cqw, 1.1cqw 1.1cqw;
  background-position: 0 0, 0.35cqw 0.5cqw;
}

.fs-finish--wood-grain .fs-layer--frame::after {
  background-image: repeating-linear-gradient(88deg, rgba(0, 0, 0, 0.08) 0 0.18cqw, transparent 0.18cqw 0.6cqw);
}

/* 3. Mat (card with a bevelled window) */
.fs-layer--mat,
.fs-layer--mat2 {
  box-shadow: inset 0 0 0 0.12cqw rgba(0, 0, 0, 0.06);
}

.fs-layer--mat ~ .fs-layer--print {
  box-shadow:
    0 0 0 0.28cqw rgba(255, 255, 255, 0.75),
    0 0 0 0.36cqw rgba(0, 0, 0, 0.1);
}

.fs-layer--mat2 {
  box-shadow:
    0 0 0 0.28cqw rgba(255, 255, 255, 0.7),
    0 0 0 0.36cqw rgba(0, 0, 0, 0.1);
}

/* Floating frames: the print sits forward with its own shadow */
.fs-frame--float .fs-layer--print {
  box-shadow: 0 0.8cqw 1.6cqw rgba(0, 0, 0, 0.35);
}

/* 5. Artwork (photo / template) */
.fs-layer--art .tpl-canvas {
  width: 100%;
  height: 100%;
  box-shadow: none;
}

.fs-layer--art .tpl-slot img {
  cursor: grab;
  transition: transform 160ms var(--ease-out);
}

.fs-preview.is-adjusting .fs-layer--art .tpl-slot {
  touch-action: none;
}

.fs-layer--art .tpl-slot:active img {
  cursor: grabbing;
  transition: none;
}

/* 2. Inner edge: the frame's lip casts a soft shadow onto the mat / print */
.fs-layer--edge {
  pointer-events: none;
  box-shadow:
    inset 0 0.7cqw 1.2cqw rgba(0, 0, 0, 0.32),
    inset 0 0 0.3cqw rgba(0, 0, 0, 0.25),
    0 0 0 0.25cqw rgba(0, 0, 0, 0.18);
}

.fs-frame--none .fs-layer--edge {
  box-shadow: none;
}

/* 6. Acrylic / glass sheen */
.fs-layer--cover {
  pointer-events: none;
  background: linear-gradient(118deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 32%, rgba(255, 255, 255, 0) 62%, rgba(255, 255, 255, 0.1) 74%, rgba(255, 255, 255, 0) 86%);
  mix-blend-mode: screen;
}

/* Panel ------------------------------------------------------------------------ */
.fs-panel {
  display: grid;
  gap: 14px;
}

.fs-config {
  padding: 16px clamp(14px, 2.4vw, 20px);
}

.fs-config__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.fs-total strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.fs-config__list {
  display: grid;
  gap: 6px;
  margin-top: 10px;
  font-size: var(--text-sm);
}

.fs-config__list li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 8px;
}

.fs-config__list span {
  color: var(--taupe);
}

.fs-config__list strong {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.fs-sections {
  display: grid;
  gap: 10px;
}

/* Sections (accordion) */
.sc-section {
  overflow: hidden;
}

.sc-section > summary {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 10px clamp(14px, 2.4vw, 18px);
  cursor: pointer;
  list-style: none;
}

.sc-section > summary::-webkit-details-marker {
  display: none;
}

.sc-section > summary:focus-visible {
  outline-offset: -3px;
}

.sc-section__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--champagne);
  font-size: 0.75rem;
  font-weight: 700;
}

.sc-section__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.sc-section__summary {
  overflow: hidden;
  color: var(--taupe);
  font-size: var(--text-xs);
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-section > summary .icon {
  color: var(--taupe);
  transition: transform var(--dur-base) var(--ease-out);
}

.sc-section[open] > summary .icon {
  transform: rotate(180deg);
}

.sc-section__body {
  display: grid;
  gap: 14px;
  padding: 2px clamp(14px, 2.4vw, 18px) 18px;
}

.sc-section__body > [data-dynamic] {
  display: grid;
  gap: 14px;
}

.fs-field {
  display: grid;
  gap: 8px;
}

.fs-field--inline {
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: center;
}

.fs-label {
  color: var(--charcoal);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fs-hint {
  color: var(--taupe);
  font-size: var(--text-xs);
  line-height: 1.55;
}

.fs-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.fs-tool {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-warm);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--charcoal);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.fs-tool:hover {
  background: var(--champagne);
}

.fs-tool--icon {
  justify-content: center;
  width: 40px;
  padding: 0;
}

.fs-nudge {
  display: flex;
  gap: 4px;
}

.fs-notice {
  display: flex;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--champagne);
  color: var(--umber);
  font-size: var(--text-sm);
}

.fs-notice > div {
  display: grid;
  gap: 6px;
  justify-items: start;
}

.fs-notice .icon {
  flex: none;
  color: var(--brown-deep);
}

/* Swatches */
.sc-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sc-swatch {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 4px;
  width: 64px;
  cursor: pointer;
  text-align: center;
}

.sc-swatch input {
  position: absolute;
  opacity: 0;
}

.sc-swatch__chip {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15);
  transition: box-shadow var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.sc-tex--wood {
  background-image: repeating-linear-gradient(80deg, rgba(0, 0, 0, 0.12) 0 2px, transparent 2px 6px);
}

.sc-tex--metal {
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 45%, rgba(0, 0, 0, 0.2));
}

.sc-swatch__name {
  color: var(--umber);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
}

.sc-swatch__price {
  color: var(--taupe);
  font-size: 10px;
}

.sc-swatch input:checked + .sc-swatch__chip {
  box-shadow: 0 0 0 2px var(--ivory), 0 0 0 4px var(--brown-deep);
}

.sc-swatch input:focus-visible + .sc-swatch__chip {
  box-shadow: 0 0 0 2px var(--ivory), var(--focus-ring);
}

.sc-swatch:hover .sc-swatch__chip {
  transform: scale(1.06);
}

/* Option cards */
.sc-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

@media (min-width: 520px) {
  .sc-cards--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.sc-card {
  position: relative;
  cursor: pointer;
}

.sc-card input {
  position: absolute;
  opacity: 0;
}

.sc-card__body {
  display: grid;
  align-content: start;
  gap: 2px;
  height: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-warm);
  border-radius: var(--radius-md);
  background: var(--white);
  font-size: var(--text-sm);
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.sc-card__desc {
  color: var(--taupe);
  font-size: var(--text-xs);
  line-height: 1.35;
}

.sc-card__price {
  margin-top: 4px;
  color: var(--brown-deep);
  font-size: var(--text-xs);
  font-weight: 700;
}

.sc-card input:checked + .sc-card__body {
  border-color: var(--brown-deep);
  background: var(--champagne);
  box-shadow: inset 0 0 0 1px var(--brown-deep);
}

.sc-card input:focus-visible + .sc-card__body {
  box-shadow: var(--focus-ring);
}

.sc-card:hover .sc-card__body {
  border-color: var(--gold-muted);
}

/* Little moulding sample on frame-type cards */
.sc-profile {
  display: block;
  height: 30px;
  margin-bottom: 6px;
  border: var(--w, 6px) solid var(--charcoal);
  border-radius: 2px;
  background: var(--beige);
}

.sc-profile--ornate {
  border-style: double;
  border-color: var(--gold);
}

.sc-profile--float {
  box-shadow: inset 0 0 0 4px var(--beige), inset 0 0 0 6px rgba(0, 0, 0, 0.25);
}

/* Segmented choices */
.sc-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sc-seg__item {
  position: relative;
  cursor: pointer;
}

.sc-seg__item input {
  position: absolute;
  opacity: 0;
}

.sc-seg__item span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-warm);
  border-radius: var(--radius-pill);
  background: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.sc-seg__item input:checked + span {
  border-color: var(--charcoal);
  background: var(--charcoal);
  color: var(--champagne);
}

.sc-seg__item input:focus-visible + span {
  box-shadow: var(--focus-ring);
}

/* Range */
.sc-range {
  display: grid;
  gap: 6px;
}

.sc-range label {
  display: flex;
  justify-content: space-between;
  color: var(--charcoal);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sc-range output {
  color: var(--brown-deep);
  letter-spacing: 0;
}

.sc-range input {
  width: 100%;
  height: 44px;
  accent-color: var(--brown-deep);
}

/* Custom size (coming soon) */
.fs-soon {
  display: grid;
  gap: 4px;
  justify-items: start;
  padding: 12px;
  border: 1px dashed var(--line-warm);
  border-radius: var(--radius-md);
  color: var(--taupe);
  font-size: var(--text-xs);
}

.fs-soon strong {
  color: var(--charcoal);
  font-size: var(--text-sm);
}

.fs-soon__inputs {
  display: grid;
  grid-template-columns: 1fr auto 1fr 72px;
  align-items: center;
  gap: 6px;
  width: 100%;
  margin-top: 6px;
  opacity: 0.55;
}

.fs-soon__inputs .input,
.fs-soon__inputs .select {
  min-height: 40px;
  min-width: 0;
}

/* Text style drawer under each text field */
.fs-textstyle {
  margin-top: 6px;
  border-top: 1px dashed var(--line-warm);
}

.fs-textstyle > summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  color: var(--brown-deep);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
}

.fs-textstyle[open] {
  display: grid;
  gap: 10px;
  padding-bottom: 6px;
}

/* Price */
.fs-price {
  padding: 16px clamp(14px, 2.4vw, 20px);
}

.fs-price__title {
  margin-bottom: 8px;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fs-price__lines {
  display: grid;
  gap: 6px;
}

.fs-price__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: var(--text-sm);
}

.fs-price__row dt span {
  display: block;
  color: var(--taupe);
  font-size: var(--text-xs);
}

.fs-price__row dd {
  margin: 0;
  font-weight: 600;
  white-space: nowrap;
}

.fs-price__total {
  display: flex;
  justify-content: space-between;
  margin: 10px 0 6px;
  padding-top: 10px;
  border-top: 1px solid var(--line-warm);
  font-size: var(--text-lg);
}

.fs-actions {
  display: grid;
  gap: 10px;
}

.fs-actions__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.fs-actions__row .btn {
  padding-inline: 10px;
  white-space: normal;
  text-align: center;
  line-height: 1.2;
}

.fs-reset.is-confirming {
  border-color: var(--danger);
  color: var(--danger);
}

/* Sticky price bar (phones + tablets) */
.fs-buybar {
  position: fixed;
  inset: auto 0 0;
  z-index: calc(var(--z-header) - 1);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line-warm);
  background: rgba(250, 246, 238, 0.97);
  box-shadow: 0 -8px 24px -16px rgba(43, 43, 43, 0.4);
}

.fs-buybar__thumb {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-warm);
  border-radius: 50%;
  background: var(--white);
}

.fs-buybar__price {
  display: grid;
  flex: 1;
  min-width: 0;
  line-height: 1.2;
}

.fs-buybar__price strong {
  font-size: 1.15rem;
}

.fs-buybar__price span {
  overflow: hidden;
  color: var(--taupe);
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (min-width: 960px) {
  .fs-buybar {
    display: none;
  }
}

@media (max-width: 959px) {
  .fs-section {
    padding-bottom: 100px;
  }
}

.pdp-studio-link {
  margin-top: 10px;
}

/* Uploading the originals when the design is ordered */
.fs-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--brown-deep);
  font-size: var(--text-sm);
  font-weight: 700;
}

.fs-status[hidden] {
  display: none;
}

.fs-status .icon {
  flex: none;
  width: 16px;
  height: 16px;
}

.fs-quality {
  margin-top: 10px;
}

.fs-quality + .fs-hint {
  margin-top: 8px;
}