/* Main workbench only; exported reports keep their original styles. */
.tool-app {
  --paper: #f3f6f8; --surface: #fff; --ink: #1e2b35; --muted: #63727e;
  --line: #dde3e8; --red: #c85063; --blue: #a93d50; --blue-soft: #fff1f3;
  --accent-soft: #fff1f3; --success: #a93d50; --accent-hover: #ad4053;
  background: var(--paper); color: var(--ink); min-height: 100dvh; font-size: 14px;
}
.tool-app :is(button,a.button,select,summary) { min-height: 40px; }
.tool-app :is(button,a,summary,select,input):focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
.tool-app .header { height: 76px; max-width: 1760px; margin: auto; padding: 0 28px; background: transparent; border: 0; }
.tool-app .brand h1 { font-size: 21px; letter-spacing: -.5px; }
.tool-app .brand svg { width: 30px; height: 30px; }
.tool-app .brand-logo { display: block; width: 38px; height: 38px; object-fit: contain; flex: 0 0 38px; }
.tool-app .local-note { font-size: 12px; }
.tool-app .quiet-button { font-size: 13px; }
.tool-app main { max-width: 1760px; padding: 10px 28px 0; }
.tool-app .workbench { grid-template-columns: 220px minmax(0,1fr) 272px; grid-template-areas: 'sources result controls'; gap: 20px; }
.tool-app .input-column { grid-area: sources; min-width: 0; padding: 18px 14px; border-radius: 12px; background: transparent; }
.tool-app .output-column { grid-area: result; }
.tool-app .controls-column { grid-area: controls; min-width: 0; background: var(--surface); padding: 20px; border: 1px solid transparent; border-radius: 12px; box-shadow: 0 0 0 1px rgb(0 0 0 / .045), 0 2px 5px rgb(0 0 0 / .02); }
.material-heading,.control-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.material-heading { margin-bottom: 18px; }
.material-heading h2,.control-heading h2 { font-size: 14px; font-weight: 650; }
.material-heading > span { font-size: 11px; color: var(--muted); white-space: nowrap; }
.tool-app .dropzone { flex-direction: column; justify-content: center; min-height: 144px; gap: 9px; padding: 20px 10px; border: 1px dashed #a8b3bc; background: #ffffff80; border-radius: 9px; }
.tool-app .dropzone svg { width: 24px; height: 24px; margin-bottom: 3px; }
.tool-app .dropzone strong { font-size: 14px; }
.tool-app .dropzone span { margin: 0; font-size: 11px; }
.tool-app .dropzone.dragover { outline: 2px solid var(--red); background: var(--accent-soft); }
.tool-app .selection { margin-top: 16px; }
.tool-app .selection-heading > :is(span,button) { font-size: 12px; }
.tool-app .input-list { gap: 6px; padding: 3px; margin: -3px; }
.tool-app .source-card { grid-template-columns: 44px minmax(0,1fr) 28px; gap: 0 8px; padding: 8px; border: 1px solid transparent; background: transparent; border-radius: 9px; }
.tool-app .source-card.is-reference { background: var(--surface); border-color: var(--red); }
.tool-app .source-preview { grid-row: 1 / 3; width: 44px; height: 56px; border-radius: 3px; }
.tool-app .source-preview img { outline: 1px solid oklch(0 0 0 / .1); outline-offset: -1px; }
.tool-app .source-info { grid-column: 2; grid-row: 1; }
.tool-app .source-name { font-size: 12px; font-weight: 550; }
.tool-app .source-size { font-size: 10px; }
.tool-app .source-actions { display: contents; }
.tool-app .source-actions .reference-button { grid-column: 2; grid-row: 2; justify-self: start; padding: 0; min-height: 28px; font-size: 11px; }
.tool-app .reference-button:disabled { color: var(--success); background: transparent; font-weight: 650; }
.tool-app .source-actions .remove-image { grid-column: 3; grid-row: 1 / 3; width: 28px; min-height: 40px; align-self: center; font-size: 21px; padding: 0; }
.tool-app .source-details { grid-column: 2 / -1; border: 0; margin-top: 2px; }
.tool-app .source-details summary { min-height: 28px; font-size: 11px; padding-top: 4px; }
.tool-app .source-details p { font-size: 11px; line-height: 1.6; }
.tool-app .source-details:has(.status-reference) { display: none; }
.small-badge { padding: 3px 6px; border-radius: 4px; color: var(--success); background: var(--blue-soft); font-size: 10px; white-space: nowrap; }
.control-note { font-size: 11px; color: var(--muted); margin: 9px 0 14px; line-height: 1.7; }
.tool-app #auto-reference { width: 100%; min-height: 44px; margin: 0; border: 1px solid transparent; border-radius: 7px; background: var(--red); color: #fff; font-size: 13px; font-weight: 600; }
.tool-app #auto-reference:disabled { background: #edf0f2; color: var(--muted); opacity: 1; }
.tool-app #reference-progress { width: 100%; height: 5px; margin-top: 12px; accent-color: var(--red); }
.tool-app .settings-panel { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.tool-app .text-button { min-height: 32px; padding: 4px 0 4px 8px; border: 0; background: transparent; color: var(--muted); font-size: 11px; }
.tool-app .settings-content { position: static; width: 100%; max-height: none; padding: 14px 0 0; margin: 0; overflow: visible; border: 0; border-radius: 0; box-shadow: none; }
.tool-app .settings-grid { grid-template-columns: minmax(0,1fr); gap: 17px; }
.tool-app .field label { font-size: 12px; font-weight: 500; margin-bottom: 7px; }
.tool-app .field output { background: var(--paper); color: var(--ink); font-size: 12px; padding: 1px 6px; min-width: 32px; text-align: center; border-radius: 4px; font-variant-numeric: tabular-nums; }
.tool-app select { font-size: 12px; min-height: 40px; border-color: #a8b3bc; background-color: #fff; }
.tool-app select:disabled { background: var(--paper); opacity: .65; }
.tool-app input[type=range] { display: block; min-height: 24px; margin-top: 0; }
.tool-app .range-field { padding: 0; }
.tool-app .field p { font-size: 11px; }
.tool-app #rotate-note { display: block; }
.advanced-settings { margin-top: 14px; }
.advanced-settings > summary { display: flex; justify-content: space-between; align-items: center; list-style: none; font-size: 11px; color: var(--muted); }
.advanced-settings > summary::-webkit-details-marker { display: none; }
.advanced-settings[open] > summary span { font-size: 0; }
.advanced-settings[open] > summary span::after { content: '−'; font-size: 15px; }
.advanced-grid { display: grid; gap: 16px; padding: 10px 0 16px; }
.tool-app .manual-button { width: 100%; margin-top: 8px; min-height: 44px; background: var(--red); color: #fff; border: 1px solid transparent; font-size: 13px; font-weight: 600; }
.tool-app.has-multiple .manual-button { background: #fff; border-color: #d7a0aa; color: var(--blue); }
.tool-app .manual-button:disabled { background: #edf0f2; border-color: transparent; color: var(--muted); opacity: 1; }
.tool-app .status { font-size: 11px; margin-top: 14px; line-height: 1.7; }
.tool-app .status.error { padding: 10px; border: 0; border-radius: 6px; }
.undo-bar { display: flex; align-items: center; justify-content: space-between; gap: 6px; padding: 8px; margin-top: 12px; background: var(--ink); color: white; border-radius: 6px; font-size: 11px; }
.undo-bar span { overflow-wrap: anywhere; }
.tool-app .undo-bar button { padding: 4px; border: 0; background: transparent; color: white; flex-shrink: 0; font-size: 12px; text-decoration: underline; }
.tool-app .comparison { margin: 0; border: 1px solid transparent; border-radius: 12px; box-shadow: 0 0 0 1px rgb(0 0 0 / .045), 0 2px 5px rgb(0 0 0 / .02); }
.tool-app .panel-heading { min-height: 66px; padding: 12px 18px; border: 0; }
.tool-app .result-heading { display: block; }
.tool-app .result-heading h2 { font-size: 14px; font-weight: 600; }
.tool-app .result-heading > span { display: block; margin-top: 3px; font-size: 10px; }
.tool-app .download { min-height: 38px; padding: 8px 12px 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--ink); color: white; font-size: 12px; }
.tool-app .download.disabled { background: var(--paper); color: var(--muted); opacity: .55; }
.tool-app .result-panel .stage { height: clamp(330px,48vh,510px); padding: 22px; }
.tool-app .result-image-frame { max-width: 600px; max-height: 600px; }
.tool-app .checker { background-image: conic-gradient(#edf0f2 25%,transparent 0 50%,#edf0f2 0 75%,transparent 0); background-size: 20px 20px; }
.tool-app:not(.has-result) #result-stage { background: #fcfdfe; border-block: 1px solid #edf0f2; }
.tool-app .gray { background: #a8b2bb; }
.tool-app .dark { background: #1e2b35; }
.tool-app .placeholder { padding: 24px; color: var(--muted); }
.empty-art { display: block; width: 80px; height: 80px; margin: 0 auto 22px; fill: none; stroke: #bec8d0; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.empty-art circle,.empty-art path:last-child { stroke: var(--red); }
.tool-app .placeholder strong { display: block; font-size: 19px; font-weight: 500; color: var(--ink); letter-spacing: -.4px; }
.tool-app .placeholder span { display: block; margin-top: 8px; font-size: 12px; max-width: 340px; }
.tool-app .result-toolbar { min-height: 59px; padding: 9px 14px; border: 0; gap: 8px; }
.tool-app .preview-modes { padding: 3px; background: var(--paper); border-radius: 8px; gap: 0; }
.tool-app .preview-modes button { min-height: 34px; padding: 6px 10px; font-size: 11px; border: 0; border-radius: 5px; }
.tool-app .preview-modes button[aria-pressed=true] { background: white; color: var(--ink); box-shadow: 0 1px 3px rgb(0 0 0 / .06); }
.tool-app .backgrounds { gap: 3px; }
.tool-app button.swatch { box-sizing: border-box; flex: 0 0 40px; width: 40px; height: 40px; min-width: 40px; max-width: 40px; min-height: 40px; max-height: 40px; aspect-ratio: 1; padding: 0; border-width: 6px; border-radius: 50%; outline: 0; }
.tool-app .swatch.active { outline: 2px solid var(--ink); outline-offset: -3px; }
.tool-app .swatch.white:not(.active) { outline: 1px solid #a8b3bc; outline-offset: -6px; }
.tool-app .swatch:focus-visible { outline: 2px solid var(--red); outline-offset: 1px; }
.tool-app .scheme-comparison { margin-top: 22px; }
.tool-app .scheme-heading { margin-bottom: 12px; }
.tool-app .scheme-heading h2 { font-size: 14px; }
.tool-app #scheme-count { font-size: 12px; }
.tool-app #compare-schemes { padding: 6px 0 6px 10px; border: 0; background: transparent; color: var(--muted); font-size: 12px; }
.tool-app .scheme-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.tool-app .optimized-comparison .scheme-list { grid-template-columns: repeat(3,minmax(0,1fr)); }
.tool-app .reference-comparison .scheme-list { grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); }
.tool-app .scheme-card { border: 1px solid var(--line); border-radius: 9px; }
.tool-app .scheme-card.is-selected { outline: 1px solid var(--success); border-color: var(--success); }
.tool-app .scheme-preview { height: 166px; padding: 26px 14px 12px; border: 0; }
.tool-app .scheme-card-heading { min-height: 42px; padding: 9px 10px; }
.tool-app .scheme-card-heading h3 { font-size: 12px; font-weight: 550; }
.tool-app .scheme-card.is-selected .scheme-card-heading { background: var(--blue-soft); color: var(--success); }
.tool-app .scheme-selected-mark { font-size: 10px; color: var(--success); }
.tool-app .recommendation-badge { top: 8px; left: 8px; font-size: 10px; background: var(--blue-soft); color: var(--success); }
.reference-score { position: absolute; top: 8px; right: 8px; z-index: 1; font-size: 10px; background: #ffffffed; color: var(--muted); padding: 2px 5px; border-radius: 4px; pointer-events: none; font-variant-numeric: tabular-nums; }
.scheme-reference,.scheme-parameters { font-size: 10px; color: var(--muted); padding: 6px 10px 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.scheme-parameters { padding-top: 2px; padding-bottom: 10px; }
.tool-app .reference-summary { display: none; }
.tool-app .result-details { margin-top: 12px; }
.tool-app .result-details > summary { min-height: 40px; font-size: 12px; }
.tool-app .details-content { font-size: 12px; padding: 18px; }
.tool-app footer { max-width: 1760px; padding: 24px 28px; font-size: 10px; }
.tool-app .viewer-actions button { min-height: 40px; }
.tool-app .viewer-actions [aria-pressed="true"] { background: var(--blue-soft); color: var(--blue); border-color: #d7a0aa; }
.tool-app .recommendation strong { color: var(--blue); }
.tool-app #extract.is-pointer-pressed:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
@media (hover:hover) {
  .tool-app .dropzone:hover { background: #fff; border-color: var(--success); }
  .tool-app :is(.quiet-button,.text-button,.advanced-settings>summary,#compare-schemes):hover { color: var(--ink); background: var(--blue-soft); }
  .tool-app .source-card:hover { background: var(--accent-soft); }
  .tool-app .source-card.is-reference:hover { background: #fff; }
  .tool-app #auto-reference:not(:disabled):hover { background: var(--accent-hover); }
  .tool-app .manual-button:not(:disabled):hover { background: var(--accent-hover); color: white; }
  .tool-app .download:not(.disabled):hover { background: var(--accent-hover); color: white; }
  .tool-app .viewer-actions button:hover { background: var(--blue-soft); }
  .tool-app .choose-scheme:not(:disabled):hover { background: var(--blue-soft); }
}
@media (prefers-reduced-motion:no-preference) {
  .tool-app :is(#auto-reference,#extract,#sample,#download,#reset-settings) { transition: transform 150ms ease-out; }
  .tool-app :is(#auto-reference,#extract,#sample,#download,#reset-settings).is-pointer-pressed:not(:disabled):not(.disabled) { transform: scale(.96); }
}
@media (prefers-reduced-motion:reduce) {
  .tool-app :is(#auto-reference,#extract,#sample,#download,#reset-settings) { transition: opacity 100ms ease-out; }
  .tool-app .is-pointer-pressed:not(:disabled):not(.disabled) { opacity: .8; }
}
@media (max-width:1250px) {
  .tool-app :is(main,.header,footer) { padding-inline: 20px; }
  .tool-app .workbench { grid-template-columns: 190px minmax(0,1fr) 248px; gap: 16px; }
  .tool-app .input-column { padding-inline: 4px; }
  .tool-app .controls-column { padding: 16px; }
  .tool-app .result-toolbar { flex-wrap: wrap; justify-content: center; }
  .tool-app .scheme-preview { height: 145px; }
}
@media (max-width:1050px) {
  .tool-app .workbench { grid-template-columns: 240px minmax(0,1fr); grid-template-areas: 'sources result' 'controls result'; }
  .tool-app .input-column { padding: 12px 4px 0; }
  .tool-app .input-list { max-height: 260px; overflow-y: auto; overscroll-behavior: contain; }
  .tool-app .dropzone { min-height: 100px; padding: 12px; gap: 6px; }
  .tool-app .optimized-comparison .scheme-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tool-app .result-panel .stage { height: 420px; }
}
@media (max-width:760px) {
  .tool-app .header { height: 64px; }
  .tool-app :is(main,.header,footer) { padding-inline: 16px; }
  .tool-app main { padding-top: 0; }
  .tool-app .brand h1 { font-size: 19px; }
  .tool-app .header-actions { gap: 8px; }
  .tool-app .workbench { grid-template-columns: minmax(0,1fr); grid-template-areas: 'sources' 'controls' 'result'; gap: 18px; }
  .tool-app .input-column { padding: 12px 0 0; }
  .material-heading { margin-bottom: 12px; }
  .tool-app .dropzone { flex-direction: row; min-height: 66px; gap: 10px; padding: 12px; }
  .tool-app .dropzone svg { width: 20px; height: 20px; margin: 0; }
  .tool-app .dropzone span { font-size: 10px; margin-left: auto; }
  .tool-app .input-list { display: flex; max-height: none; overflow-x: auto; padding: 3px 3px 8px; scroll-snap-type: x proximity; }
  .tool-app .source-card { flex: 0 0 200px; scroll-snap-align: start; }
  .tool-app .source-actions .remove-image { min-height: 44px; }
  .tool-app .controls-column { padding: 18px; }
  .tool-app .auto-panel { display: grid; grid-template-columns: 1fr auto; gap: 0 12px; align-items: center; }
  .tool-app .auto-panel .control-heading { justify-content: flex-start; }
  .tool-app #auto-reference { grid-column: 2; grid-row: 1 / 3; width: auto; padding-inline: 12px; font-size: 12px; }
  .control-note { margin: 5px 0 0; font-size: 10px; }
  .small-badge { display: none; }
  .tool-app #reference-progress { grid-column: 1 / -1; }
  .tool-app .settings-panel { margin-top: 16px; padding-top: 10px; }
  .tool-app .settings-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px 20px; }
  .tool-app .settings-content { padding-top: 10px; }
  .advanced-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
  .tool-app .manual-button { margin-top: 6px; }
  .tool-app .result-panel .stage { height: min(88vw,450px); padding: 18px; }
  .tool-app .result-toolbar { justify-content: space-between; padding: 10px; }
  .tool-app .panel-heading { padding: 12px; }
  .tool-app .optimized-comparison .scheme-list { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(220px,78%); overflow-x: auto; padding: 3px 3px 10px; scroll-snap-type: x proximity; overscroll-behavior-x: contain; }
  .tool-app .optimized-comparison .scheme-card { scroll-snap-align: start; }
  .tool-app .scheme-preview { height: 180px; }
}
@media (max-width:430px) {
  .tool-app .result-toolbar { justify-content: center; gap: 8px; }
  .tool-app .preview-modes { width: 100%; }
  .tool-app .preview-modes button { flex: 1; min-height: 40px; }
  .tool-app .backgrounds { gap: 8px; }
  .tool-app .swatch { width: 40px; height: 40px; min-height: 40px; border-width: 9px; }
  .tool-app .placeholder strong { font-size: 18px; }
  .tool-app .placeholder span { font-size: 11px; }
}
@media (forced-colors:active) {
  .tool-app :is(.controls-column,.comparison,.scheme-card,select,.dropzone,#extract,#auto-reference,.download) { border: 1px solid ButtonText; }
  .tool-app :is(.source-card.is-reference,.scheme-card.is-selected,.preview-modes button[aria-pressed=true]) { outline: 2px solid Highlight; }
}