:root{color-scheme:dark;--bg:#090d12;--panel:#111821;--panel2:#0c1219;--border:#293540;--text:#eef4f8;--muted:#91a2b2;--cyan:#20c8f3}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 55% -25%,#233647 0,#090d12 55%);color:var(--text);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",system-ui,sans-serif}
button{font:inherit;color:inherit}
.app-shell{width:min(1280px,calc(100% - 32px));margin:auto;padding:18px 0}
.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);gap:10px;align-items:start}
.controls,.pipeline-panel{border:1px solid var(--border);border-radius:16px;background:rgba(17,24,33,.96);box-shadow:0 18px 70px #0008}
.controls{padding:18px;position:sticky;top:18px}
.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}
.eyebrow{margin:0 0 4px;color:var(--cyan);font-size:.72rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase}
h1,h2{margin:0;letter-spacing:-.025em;font-size:1.25rem}
.count-badge{display:grid;place-items:center;min-width:34px;height:28px;padding:0 9px;border:1px solid #36505e;border-radius:999px;color:var(--cyan);background:#15232d;font-size:.8rem;font-weight:800}
.hint,.footnote{color:var(--muted);font-size:.76rem;line-height:1.7}
.hint{margin:16px 0}.footnote{margin:14px 2px 0}
.parts{display:grid;gap:12px}
.part{display:flex;align-items:center;gap:12px;width:100%;min-height:58px;padding:14px;border:1px solid #344454;border-radius:9px;background:#1a2530;text-align:left;font-weight:600;cursor:grab;transition:background .15s,border-color .15s}
.part::before{content:"⠿";color:#627b8d;font-size:20px;font-weight:400}
.part:hover{background:#1d303b;border-color:var(--cyan)}
.part:active{cursor:grabbing}.part.dragging{opacity:.45}
button:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
.pipeline-panel{padding:18px;min-width:0}
.pipeline-heading{padding:0 2px 16px}
.dropzone{min-height:calc(100vh - 160px);padding:26px 28px;border:1px solid #26313b;border-radius:11px;background:#080d12;transition:border-color .15s,background .15s}
.dropzone.drag-over{border-color:var(--cyan);background:#0c1b25;box-shadow:inset 0 0 0 1px var(--cyan)}
.nodes{list-style:none;margin:0;padding:0}
.node-item{position:relative;margin:0;padding:0}
.node-item+.node-item{padding-top:46px}
.node-item+.node-item::before{content:"";position:absolute;top:7px;left:50%;width:3px;height:23px;transform:translateX(-50%);border-radius:999px;background:linear-gradient(180deg,#365b70,#20c8f3);box-shadow:0 0 10px #20c8f32b;pointer-events:none}
.node-item+.node-item::after{content:"";position:absolute;top:26px;left:50%;width:17px;height:12px;transform:translateX(-50%);background:var(--cyan);clip-path:polygon(0 0,50% 18%,100% 0,50% 100%);pointer-events:none}
.node{display:flex;align-items:center;gap:16px;width:100%;min-height:96px;padding:20px;border:1px solid #36505e;border-left:3px solid var(--cyan);border-radius:10px;background:#15212c;text-align:left;cursor:pointer;transition:border-color .15s,background .15s}
.node:hover{border-color:var(--cyan);background:#1a2c39}
.node-card{position:relative}
.node-card .node{padding-right:54px}
.node-delete{position:absolute;top:7px;right:7px;display:grid;place-items:center;width:30px;height:30px;padding:0;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--muted);font-size:23px;line-height:1;cursor:pointer;transition:color .15s,background .15s,border-color .15s}
.node-delete:hover{color:#ffaaa5;border-color:#7c4348;background:#40232b}
.node-number{color:#6d8799;font-size:.75rem;font-variant-numeric:tabular-nums}
.node-name{font-size:1.05rem;font-weight:650;flex:1}
.node-settings{padding:7px 12px;border:1px solid #3c5160;border-radius:7px;background:#192630;color:#b5c8d5;font-size:.76rem;white-space:nowrap}
dialog{width:min(680px,calc(100% - 32px));padding:0;border:1px solid #36505e;border-radius:16px;background:var(--panel);color:var(--text);box-shadow:0 24px 100px #000a}
dialog::backdrop{background:rgba(3,8,13,.35);backdrop-filter:blur(1px)}
.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--border)}
.dialog-heading h2{font-size:1.1rem}.close-button{width:36px;height:36px;border:1px solid #344454;border-radius:8px;background:#1a2530;cursor:pointer;font-size:24px;line-height:1}.close-button:hover{border-color:var(--cyan)}
.settings-body{min-height:320px}
.settings-body{padding:24px}
.field-label{display:block;margin-bottom:12px;font-size:.88rem;font-weight:650}
.load-button{padding:10px 26px;border:1px solid #3c7386;border-radius:8px;background:#173442;color:var(--text);font-weight:650;cursor:pointer}
.load-button:hover{border-color:var(--cyan);background:#204657}
.load-button:disabled{opacity:.5;cursor:wait}
.loaded-file{font-size:.88rem;color:var(--text);overflow-wrap:anywhere}
.part-help-wrap{position:relative;min-width:0}
.mode-help-wrap{position:relative;display:block;min-width:0}
.pipeline-title-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
#downloadCLF,#clearPipeline{padding:8px 12px;font-size:.78rem}
.pipeline-heading{flex-wrap:wrap}
.mode-help-wrap > .context-help-button{top:-10px;right:1px}
.context-help-button{position:absolute;z-index:2;top:-7px;right:-7px;width:22px;height:22px;padding:0;color:var(--text);background:#111a23;border:1px solid #526b7c;border-radius:50%;font-size:.72rem;font-weight:700;line-height:20px;text-align:center;cursor:pointer}
.context-help-button:hover{color:var(--cyan);border-color:var(--cyan);background:#17232e}
.settings-spec-help{position:static;display:inline-block;margin-left:10px;vertical-align:middle;text-decoration:none}
.custom-log-style-field{display:flex;flex-direction:column;gap:10px}
.context-help-popup{position:fixed;margin:0;max-width:min(520px,calc(100vw - 32px));padding:12px 16px;color:#fff;background:#464646;border:1px solid #69747b;border-radius:6px;box-shadow:0 8px 24px #0008;font-size:.86rem;line-height:1.7}
.tone-curve{cursor:zoom-in}.tone-curve:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
#graphDialog{width:min(760px,calc(100vw - 24px));max-height:calc(100dvh - 24px);overflow:auto}
.graph-dialog-body{padding:16px 24px}.graph-dialog-body canvas{display:block;width:min(100%,calc(100dvh - 230px));height:auto;aspect-ratio:1;margin:auto;background:#080d12}
.graph-dialog-body .dialog-footer{margin-top:12px}
.drop-instructions{margin:0 0 20px;color:#c3d3df;font-size:.95rem;line-height:1.8;text-align:center}
#fileDropStatus{white-space:pre-wrap;overflow-wrap:anywhere}
.drop-error-body{padding:20px 24px}.drop-error-body p{white-space:pre-wrap;overflow-wrap:anywhere;color:#ffd0cb;max-height:50vh;overflow:auto;line-height:1.6}
.lut-endpoints{white-space:pre-wrap;color:#d3dfe8;font:11px/1.45 ui-monospace,monospace;overflow-wrap:anywhere}
.node[draggable="true"]{cursor:grab}.node[draggable="true"]:active{cursor:grabbing}
.node-dragging{opacity:.4}
.node-card.insert-before::after,.node-card.insert-after::after{content:"";position:absolute;left:0;right:0;height:3px;background:var(--cyan);box-shadow:0 0 8px #20c8f366;pointer-events:none}
.node-card.insert-before::after{top:-8px}.node-card.insert-after::after{bottom:-8px}
.pipeline-actions{display:flex;align-items:center;gap:12px}
.view-modes{display:flex;gap:4px}.view-modes .load-button{padding:8px 12px;font-size:.78rem;white-space:nowrap}
.view-modes button[aria-pressed="true"]{background:#20c8f3;color:#071017;border-color:#72e1ff}
#xmlView{margin:0;width:100%;height:calc(100vh - 220px);min-height:320px;overflow:auto;white-space:pre;color:#d3dfe8;font:12px/1.65 ui-monospace,monospace;tab-size:2;scrollbar-color:#587082 #0c1219}
.dropzone.xml-mode{padding:16px;min-height:0}
@media(max-width:700px){.pipeline-heading{flex-wrap:wrap}.pipeline-actions{margin-left:auto}}
#expandPipeline[aria-pressed="true"]{background:#20c8f3;color:#071017;border-color:#72e1ff;box-shadow:0 0 0 2px #20c8f32b}
.expanded-node{cursor:default;min-height:76px}.expanded-node:hover{background:#15212c;border-color:#36505e;border-left-color:var(--cyan)}
.expanded-description{white-space:pre-wrap;overflow-wrap:anywhere}
.expanded-node .node-text{flex:0 1 210px}.process-details{min-width:0;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted);font:12px/1.65 ui-monospace,monospace}.process-matrix{border-collapse:collapse}.process-matrix td{padding:3px 10px;text-align:right}.expanded-node{gap:18px}.expanded-node .tone-curve{margin-left:auto}
@media(max-width:700px){.expanded-node{flex-wrap:wrap}.process-matrix td{padding:3px 5px}}
.expanded-node{padding:10px 14px;min-height:66px;gap:12px}
.expanded-node .node-text{flex:0 1 150px;gap:4px}
.expanded-node .node-name{font-size:.94rem}
.expanded-node .node-file{font-size:.7rem;line-height:1.35}
.process-details{font-size:11px;line-height:1.4}
.process-horizontal{display:flex;align-items:center;gap:16px;flex:1;overflow-x:auto;white-space:nowrap;overflow-wrap:normal;padding:2px 0}
.process-style{flex:0 0 auto;max-width:170px;white-space:normal;overflow-wrap:anywhere}
.process-parameter-columns{display:flex;gap:16px;align-items:flex-start}
.process-parameter-column{flex:0 0 auto}
.process-matrix{flex:0 0 auto;line-height:1.2}
.process-matrix td{padding:1px 7px}
.node-file,.node-cdl,.matrix-gamuts,.node-matrix,.process-details{color:#d3dfe8}
.node-number{color:#a8bdcc}
@media(max-width:700px){.expanded-node{padding:9px 12px}.process-horizontal{flex-basis:100%}.process-style{max-width:140px}}
.tone-curve{width:101px;height:101px;flex:0 0 101px;border:0;border-radius:0}
.node:has(.tone-curve){padding-top:5px;padding-bottom:5px}
@media(max-width:500px){.node:has(.tone-curve){flex-wrap:wrap}.tone-curve{width:90px;height:90px;flex-basis:90px;margin-left:auto}}
.cdl-table{width:100%;border-collapse:collapse;table-layout:fixed;margin-top:18px;font-size:.82rem}
.cdl-table th,.cdl-table td{padding:8px 5px;border-bottom:1px solid var(--border);text-align:left}
.cdl-table th:first-child{width:29%}.cdl-table thead th{color:var(--muted)}
.cdl-table input{width:100%;min-width:0;padding:9px 6px;border:1px solid #3c5160;border-radius:6px;background:var(--panel2);color:var(--text);font:inherit}
.cdl-table input:focus{outline:1px solid var(--cyan)}.cdl-table input[aria-invalid="true"]{border-color:#ff8a84}
.node-cdl{white-space:pre-line;color:var(--muted);font:12px/1.6 ui-monospace,monospace;overflow-wrap:anywhere}
.node-cdl{margin-left:auto;flex:0 1 auto;text-align:left}.dialog-footer{display:flex;justify-content:flex-end;margin-top:24px}
.has-cdl .node-text{flex:0 0 auto}.has-cdl .node-cdl{margin-left:0}
.matrix-gamuts{white-space:pre-line;color:var(--muted);font-size:12px;line-height:1.6}
.node:has(.node-matrix) .node-text{flex:0 1 auto}
.node .node-matrix{margin-left:0}
.node-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px 12px;margin-left:auto;font:12px/1.6 ui-monospace,monospace;color:var(--muted);text-align:right}
.matrix-table input{width:100%;min-width:0;padding:8px 3px;background:var(--panel2);color:var(--text);border:1px solid var(--border);border-radius:5px;font:inherit}
.matrix-table input[aria-invalid="true"]{border-color:#ff8a84}
@media(max-width:500px){.node:has(.node-matrix){flex-wrap:wrap}.node-matrix{font-size:10px;gap:4px 8px}}
.matrix-selectors{display:grid;grid-template-columns:1fr 1fr;gap:16px}.matrix-selectors label{min-width:0}.matrix-table{width:100%;table-layout:fixed;border-collapse:collapse;margin-top:20px}.matrix-table td{padding:12px 5px;text-align:center;border:1px solid var(--border);font:13px ui-monospace,monospace}
@media(max-width:500px){.node:has(.node-cdl){flex-wrap:wrap}.node-cdl{font-size:10px}.matrix-selectors{grid-template-columns:1fr}}
.clf-select{width:100%;min-width:0;padding:12px;border:1px solid #3c5160;border-radius:8px;background:#0c1219;color:var(--text);font:inherit;font-size:.9rem}
.clf-select:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.node-text{flex:1;min-width:0;display:grid;gap:7px}
.node-file{color:var(--muted);font-size:.78rem;line-height:1.5;overflow-wrap:anywhere}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:700px){.app-shell{width:calc(100% - 18px);padding:9px 0}.workspace{grid-template-columns:1fr}.controls{position:static}.parts{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.part{padding:10px;font-size:.85rem;min-height:48px;gap:8px}.pipeline-panel{padding:14px}.dropzone{padding:18px 12px;min-height:400px}.node{padding:14px;gap:10px}.node-name{font-size:.92rem}.node-settings{padding:6px 8px}.settings-body{min-height:260px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Readable secondary text in normal and expanded pipeline nodes. */
.node .node-file,.node .node-cdl,.node .matrix-gamuts,.node .node-matrix,.node .process-details{color:#d3dfe8}.node .node-number{color:#a8bdcc}

/* Keep view controls anchored across node-count and mode changes. */
html{scrollbar-gutter:stable}
.pipeline-actions{margin-left:auto;flex-shrink:0}
.pipeline-actions .count-badge{width:52px;min-width:52px;font-variant-numeric:tabular-nums}
.view-modes{display:grid;grid-template-columns:repeat(3,92px);gap:4px}
.view-modes .load-button{width:100%;padding:8px 4px;box-sizing:border-box}
@media(max-width:500px){.view-modes{grid-template-columns:repeat(3,76px)}.pipeline-actions{gap:8px}.pipeline-actions .count-badge{width:42px;min-width:42px}}
.has-cdl > .tone-curve{margin-left:auto}
.node-cdl{display:flex;align-items:flex-start;gap:18px;min-width:0}.cdl-sop{white-space:pre;min-width:0}.cdl-saturation{white-space:nowrap}.has-cdl{flex-wrap:wrap}
/* Matrix brackets and CDL channel values. */
.node-matrix,.process-matrix{position:relative;margin-inline:8px;padding-inline:8px}
.node-matrix::before,.node-matrix::after,.process-matrix::before,.process-matrix::after{content:"";position:absolute;top:-3px;bottom:-3px;width:7px;border-top:2px solid #d3dfe8;border-bottom:2px solid #d3dfe8;pointer-events:none}
.node-matrix::before,.process-matrix::before{left:-5px;border-left:2px solid #d3dfe8}
.node-matrix::after,.process-matrix::after{right:-5px;border-right:2px solid #d3dfe8}
.cdl-red{color:#ff7070}.cdl-green{color:#65e69b}.cdl-blue{color:#83b1ff}
#partCount,#nodeCount{display:none}
.node > .matrix-chromaticity{margin-left:auto}.matrix-chromaticity[hidden]{display:none}
.matrix-visuals{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}.matrix-visuals .tone-curve{margin-left:0}.node:has(.matrix-visuals){flex-wrap:wrap}
.custom-log-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.85rem}.custom-log-table th,.custom-log-table td{padding:5px;text-align:left}.custom-log-table input{width:100%;min-width:0;box-sizing:border-box;background:#0b141d;color:var(--text);border:1px solid #344454;border-radius:5px;padding:7px}.custom-log-table input[aria-invalid=true]{border-color:#f88181}