/* =============================================================
 * Utilities Bunker — Pick Color from Image (v2.1)
 * File: /assets/css/modules/colors/pick-from-image.v2.1.css
 * Purpose:
 *  - Tool-only layout + canvas/loupe/palette styling
 *  - Mobile-first, 44x44 targets, clamp typography
 *  - NO edits to ub-toolkit.v2.1.css
 * ============================================================= */

/* ============================== Local tokens (tool-scoped) ============================== */
:root{
  --pfi-radius: 16px;
  --pfi-gap: 14px;
  --pfi-soft: rgba(0,0,0,.06);
  --pfi-soft-dark: rgba(255,255,255,.08);
  --pfi-loupe-shadow: 0 18px 40px rgba(0,0,0,.22);
}

/* ============================== Hero layout (lab + controls) ============================== */
.ub-hero{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--pfi-gap);
}

@media (max-width: 980px){
  .ub-hero{ grid-template-columns: 1fr; }
}

/* ============================== Lab panel (uses toolkit tokens) ============================== */
.ub-lab{
  background: var(--ub-surface-2);
  border: 1px solid var(--ub-border);
  border-radius: var(--pfi-radius);
  padding: 12px;
}

.ub-lab-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 10px;
  flex-wrap:wrap;
  margin-bottom: 10px;
}

.ub-lab-title{
  font-size: clamp(13px, 1.2vw, 14px);
  font-weight: 950;
  letter-spacing: .01em;
}

.ub-lab-sub{
  font-size: 12px;
  color: var(--ub-muted);
  margin-top: 2px;
}

/* ============================== KPI tiles ============================== */
.ub-kpis{
  display:flex;
  flex-wrap:wrap;
  gap: 8px;
  justify-content:flex-end;
}

.ub-kpi{
  min-width: 118px;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
}

.ub-kpi .k{
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ub-muted);
}

.ub-kpi .v{
  font-family: var(--ub-mono);
  font-weight: 950;
  font-size: 14px;
  margin-top: 2px;
}

/* ============================== Status pill (re-uses ub-risk style) ============================== */
.ub-risk{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
  font-size: 12px;
  font-weight: 950;
  min-height: 44px;
}

.ub-dot{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ub-muted);
}

/* ============================== Mode "wheel" chips (2-column) ============================== */
.ub-wheel{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
  align-items:stretch;
}

.ub-wheel .ub-chip{
  min-height: 44px;
  padding: 10px 12px;
}

.ub-wheel .ub-chip[aria-pressed="true"]{
  border-color: rgba(249,58,19,.55);
  box-shadow: 0 0 0 4px rgba(249,58,19,.12);
}

/* ============================== Dropzone ============================== */
.ub-dropzone{
  border: 2px dashed rgba(249,58,19,.35);
  border-radius: var(--pfi-radius);
  background: var(--ub-card-bg);
  padding: 14px;
  cursor: pointer;
  user-select:none;
  min-height: 120px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.ub-dropzone:focus{
  outline: none;
  box-shadow: 0 0 0 4px var(--ub-focus);
}

.ub-dropzone.is-drag{
  background: var(--ub-surface-2);
  border-color: rgba(249,58,19,.6);
  box-shadow: 0 0 0 4px rgba(249,58,19,.12);
}

.ub-dropzone-inner{
  width:100%;
  max-width: 540px;
}

.ub-dropzone-title{
  font-size: var(--ub-fs-3);
  font-weight: 950;
  letter-spacing: -0.01em;
}

.ub-dropzone-sub{
  margin-top: 6px;
  color: var(--ub-muted);
  font-size: var(--ub-fs-1);
}

/* ============================== Canvas stage ============================== */
.ub-canvas-wrap{
  margin-top: 12px;
}

.ub-canvas-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 10px;
  flex-wrap:wrap;
  margin-bottom: 10px;
}

.ub-stage{
  position: relative;
  border-radius: var(--pfi-radius);
  overflow: hidden;
  border: 1px solid var(--ub-border);
  background:
    linear-gradient(45deg, rgba(0,0,0,.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0,0,0,.06) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,.06) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0,0,0,.06) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

html.ub-theme-dark .ub-stage{
  background:
    linear-gradient(45deg, rgba(255,255,255,.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,.06) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,.06) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.06) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.ub-canvas{
  width: 100%;
  height: min(60vh, 520px);
  display:block;
  touch-action: none; /* we handle gestures in JS */
  background: transparent;
}

/* Mobile sizing */
@media (max-width: 520px){
  .ub-canvas{ height: min(62vh, 460px); }
  .ub-kpi{ min-width: 102px; }
}

/* ============================== Loupe overlay ============================== */
.ub-loupe{
  position: fixed; /* JS positions */
  z-index: 10000;
  width: 200px;
  border-radius: 16px;
  border: 1px solid var(--ub-border);
  background: var(--ub-card-bg);
  box-shadow: var(--pfi-loupe-shadow);
  overflow:hidden;
  pointer-events:none; /* purely informational */
}

.ub-loupe canvas{
  width: 200px;
  height: 200px;
  display:block;
  background: var(--ub-surface-2);
}

.ub-loupe-bar{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border-top: 1px solid var(--ub-border);
  background: var(--ub-surface-2);
}

.ub-swatch{
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid var(--ub-border);
  background: transparent;
}

.ub-loupe-meta .k{
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ub-muted);
}

.ub-loupe-meta .v{
  font-family: var(--ub-mono);
  font-weight: 950;
  font-size: 12px;
  margin-top: 2px;
}

/* ============================== Preset row (buttons) ============================== */
.ub-preset-row{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 10px;
}

.ub-preset-row .ub-chip{
  min-height: 44px;
  padding: 10px 12px;
}

/* ============================== Palette grid ============================== */
.ub-palette{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 900px){
  .ub-palette{ grid-template-columns: 1fr; }
}

.ub-pal-item{
  display:grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  border: 1px solid var(--ub-border);
  border-radius: var(--pfi-radius);
  background: var(--ub-surface-2);
  padding: 12px;
}

.ub-pal-swatch{
  width: 72px;
  height: 72px;
  border-radius: 16px;
  border: 1px solid var(--ub-border);
  background: transparent;
  position: relative;
  overflow:hidden;
}

.ub-pal-swatch::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(45deg, rgba(0,0,0,.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0,0,0,.06) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,.06) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0,0,0,.06) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  opacity: .18;
  pointer-events:none;
}

html.ub-theme-dark .ub-pal-swatch::after{
  background:
    linear-gradient(45deg, rgba(255,255,255,.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,.06) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,.06) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.06) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  opacity: .18;
}

.ub-pal-meta{
  min-width: 0;
}

.ub-pal-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  flex-wrap:wrap;
}

.ub-pal-hex{
  font-family: var(--ub-mono);
  font-weight: 950;
  font-size: var(--ub-fs-3);
}

.ub-pal-actions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}

.ub-pal-actions .ub-chip{
  min-height: 44px;
  padding: 10px 12px;
}

.ub-pal-lines{
  display:grid;
  grid-template-columns: 52px 1fr;
  gap: 6px 10px;
  margin-top: 10px;
}

.ub-pal-lines .k{
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ub-muted);
}

.ub-pal-lines .v{
  font-family: var(--ub-mono);
  font-weight: 900;
  font-size: 12px;
  overflow-wrap:anywhere;
}

.ub-pal-foot{
  margin-top: 10px;
  font-size: 12px;
  color: var(--ub-muted);
  min-height: 14px;
}

/* ============================== Small polishing ============================== */
.ub-field input[readonly]{
  cursor: text;
}

.ub-field .ub-inline-error{
  min-height: 16px;
}

/* If loupe is disabled, don't leave space (JS hides, but CSS keeps safe) */
#loupe[hidden]{
  display:none !important;
}