/* ============================================================
   Colour visualiser styles (NEW - architecture-plan.md §5.1)
   Kept as a separate file from instant-price.css, which stays unchanged, per §3's file
   breakdown: "existing CSS, unchanged, + new visualiser styles."
   ============================================================ */

.pf-visualiser { max-width: 720px; margin: 0 auto; }

.pf-visualiser-consent {
  font-size: var(--text-sm);
  color: var(--color-text-dark);
  background: var(--color-bg-light);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
}

.pf-visualiser-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}
.pf-visualiser-upload input[type="file"] {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0;
  overflow: hidden;
}
.pf-visualiser-upload-btn { cursor: pointer; }
.pf-visualiser-skip { background: none; border: none; text-decoration: underline; }

.pf-visualiser-correct { display: flex; flex-direction: column; gap: var(--space-sm); }

.pf-mask-correct-stage { max-width: 100%; touch-action: none; }
.pf-mask-correct-base, .pf-mask-correct-overlay { max-width: 100%; height: auto; display: block; }
.pf-mask-correct-controls { display: flex; gap: var(--space-xs); margin-top: var(--space-xs); }
.pf-mask-correct-controls .btn.is-active { background: var(--color-accent); color: #fff; }

.pf-visualiser-preview-wrap { margin-bottom: var(--space-sm); }
.pf-visualiser-preview { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--color-border); }

.pf-visualiser-advanced-check { display: block; margin: var(--space-sm) 0; }
.pf-visualiser-mode-grid { display: flex; gap: var(--space-xs); margin-bottom: var(--space-sm); flex-wrap: wrap; }
.pf-visualiser-mode-grid .btn.is-active { background: var(--color-accent); color: #fff; }

.pf-visualiser-fee-notice {
  display: none;
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
  margin: var(--space-xs) 0;
}

.pf-visualiser-target-block {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.pf-visualiser-target-title { margin: 0 0 var(--space-xs); font-size: var(--text-base); }
.pf-visualiser-entry-chooser { display: flex; gap: var(--space-xs); margin-bottom: var(--space-sm); }
.pf-visualiser-namecode { font-size: var(--text-sm); color: var(--color-text-dark); margin-top: var(--space-xs); }

.pf-visualiser-individual-list { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-sm); }
.pf-visualiser-chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--color-bg-light); border: 1px solid var(--color-border);
  border-radius: 20px; padding: 4px 10px; font-size: var(--text-sm);
}
.pf-visualiser-chip-remove { background: none; border: none; cursor: pointer; font-size: 1rem; line-height: 1; }

/* Colour wheel */
.pf-colour-wheel { display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); }
.pf-colour-wheel-ring-wrap { position: relative; width: 220px; height: 220px; }
.pf-colour-wheel-ring-cursor {
  position: absolute; width: 14px; height: 14px; margin: -7px;
  border: 2px solid #fff; border-radius: 50%; box-shadow: 0 0 0 1px rgba(0,0,0,0.4);
  pointer-events: none;
}
.pf-colour-wheel-sv-wrap { border-radius: 4px; overflow: hidden; cursor: crosshair; }
.pf-colour-wheel-sv-cursor {
  position: absolute; width: 10px; height: 10px; margin: -5px;
  border: 2px solid #fff; border-radius: 50%; box-shadow: 0 0 0 1px rgba(0,0,0,0.4);
  pointer-events: none;
}
.pf-colour-wheel-swatch {
  width: 60px; height: 32px; border-radius: 6px; border: 1px solid var(--color-border);
}

/* Farrow & Ball list */
.pf-fb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-xs);
  max-height: 320px;
  overflow-y: auto;
}
.pf-fb-chip {
  display: flex; align-items: center; gap: var(--space-xs);
  border: 1px solid var(--color-border); border-radius: 8px; padding: var(--space-xs);
  background: #fff; cursor: pointer; text-align: left;
}
.pf-fb-chip.is-selected { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent); }
.pf-fb-swatch {
  width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--color-border);
  flex-shrink: 0; display: inline-block;
}
.pf-fb-name { display: block; font-size: var(--text-sm); font-weight: 600; }
.pf-fb-code { display: block; font-size: var(--text-xs); color: var(--color-text-dark); }

/* Tone-browse grid (CEO ruling 2026-09-19): squares of tones, drill into shades on click */
.pf-fb-tone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-sm);
}
.pf-fb-tone-tile {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-xs);
  border: 1px solid var(--color-border); border-radius: 10px; padding: var(--space-sm);
  background: #fff; cursor: pointer; text-align: center;
}
.pf-fb-tone-tile:hover { border-color: var(--color-accent); }
.pf-fb-swatch-lg {
  width: 64px; height: 64px; border-radius: 8px; border: 1px solid var(--color-border);
}
.pf-fb-tone-label { font-weight: 600; font-size: var(--text-sm); margin-top: var(--space-xs); }
.pf-fb-tone-count { font-size: var(--text-xs); color: var(--color-text-dark); }
.pf-fb-back {
  background: none; border: none; color: var(--color-accent); font-weight: 600;
  cursor: pointer; padding: 0; margin-bottom: var(--space-sm); font-size: var(--text-sm);
}
.pf-fb-selected-banner {
  display: flex; align-items: center; gap: var(--space-xs);
  background: var(--color-bg-light); border-radius: 8px; padding: var(--space-xs) var(--space-sm);
  margin-bottom: var(--space-sm); font-size: var(--text-sm);
}

/* Colour mode choice + bespoke form (CEO ruling 2026-09-21) */
.pf-colour-mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-sm);
}
.pf-colour-mode-option {
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-xs);
  border: 1px solid var(--color-border); border-radius: 10px; padding: var(--space-md);
  background: #fff; cursor: pointer; text-align: left;
}
.pf-colour-mode-option:hover { border-color: var(--color-accent); }
.pf-colour-mode-option strong { font-size: var(--text-base); color: var(--color-heading); }
.pf-colour-mode-option span { font-size: var(--text-sm); color: var(--color-text-dark); }
.pf-bespoke-form { display: flex; flex-direction: column; gap: var(--space-md); max-width: 420px; }
.pf-bespoke-unknown {
  display: flex; align-items: center; gap: var(--space-xs); margin-top: var(--space-xs);
  font-size: var(--text-sm); color: var(--color-text-dark); cursor: pointer;
}
.pf-bespoke-unknown input[type="checkbox"] { width: auto; margin: 0; }

/* Guarantee banner + deposit block (Milestone 3/5) */
.ip-guarantee-banner {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-sm) 0;
  background: var(--color-bg-light);
}
.ip-guarantee-banner.is-qualified { border-color: var(--color-accent); }
.ip-deposit { margin-top: var(--space-sm); }
.ip-btn-send-quote { margin-right: var(--space-xs); }

/* Carousel (v1 default entry point - see colour-visualiser.js file header) */
.pf-visualiser-carousel { text-align: center; }
.pf-carousel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}
.pf-carousel-card {
  background: none;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease;
}
.pf-carousel-card:hover, .pf-carousel-card:focus-visible { border-color: var(--color-accent); }
.pf-carousel-card img { width: 100%; height: 160px; object-fit: cover; display: block; }
.pf-carousel-card-style {
  display: block;
  padding: var(--space-xs) var(--space-sm) 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-heading);
}
.pf-carousel-card-material {
  display: block;
  padding: 0 var(--space-sm) var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-text-dark);
}

/* Generated cabinet illustrations (v1.2 - cabinet-svg.js), used on both the Step 1 style cards
   and the Step 2 colour preview. */
.pf-carousel-card-svg, .pf-cabinet-preview-svg {
  background: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pf-carousel-card-svg { height: 140px; padding: var(--space-xs) 0; }
.pf-carousel-card-svg svg, .pf-cabinet-preview-svg svg { max-width: 100%; height: 100%; }

.pf-cabinet-preview-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-sm);
}
.pf-cabinet-preview-item {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  width: 160px;
}
.pf-cabinet-preview-svg { height: 160px; }
.pf-cabinet-preview-label {
  margin: 0;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-heading);
  text-align: center;
  border-top: 1px solid var(--color-border);
}