:root{--paper:#f3f2ea;--paper-deep:#ebeae2;--ink:#172d35;--ink-soft:#31464d;--muted:#6d797b;--rule:#d1d6d1;--petrol:#174f67;--coral:#b35b3d;--focus:#e8a64b;--sans:Inter,Aptos,"Segoe UI",sans-serif;--serif:Iowan Old Style,"Palatino Linotype",Palatino,Georgia,serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-family:var(--sans);color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizelegibility}*{box-sizing:border-box}html{background:var(--paper);min-width:320px}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}::selection{color:var(--ink);background:#cde0dc}.app-shell{background:var(--paper);min-height:100vh;color:var(--ink)}.topbar{border-bottom:1px solid var(--rule);z-index:10;background:#f8f7f0f5;grid-template-columns:230px 1fr auto;align-items:center;height:58px;padding:0 22px;display:grid;position:sticky;top:0}.wordmark{color:var(--ink);font:700 18px/1 var(--sans);letter-spacing:-.03em;align-items:center;gap:10px;text-decoration:none;display:flex}.wordmark-mark{color:#fff;background:var(--petrol);width:29px;height:29px;font:700 13px/1 var(--mono);border-radius:8px 2px;place-items:center;display:grid}.project-crumb{color:var(--muted);align-items:center;gap:9px;font-size:13px;display:flex}.project-crumb strong{color:var(--ink-soft);font-weight:600}.project-crumb select{max-width:260px;color:var(--ink-soft);font:600 13px var(--sans);background:0 0;border:0;border-bottom:1px solid #c4ccc8;padding:4px 18px 4px 2px}.local-badge{color:#315e4c;font:600 11px/1 var(--sans);letter-spacing:.02em;background:#edf5ef;border:1px solid #afc8bc;border-radius:999px;padding:4px 9px}.topbar-actions{justify-content:flex-end;align-items:center;gap:7px;display:flex}.topbar-actions button{color:var(--petrol);cursor:pointer;font:650 11px var(--sans);background:0 0;border:0;padding:6px 7px}.topbar-actions button:hover{text-underline-offset:3px;text-decoration:underline}.topbar-actions button:disabled{color:#a5aeaa;cursor:default;text-decoration:none}.workspace{grid-template-columns:230px minmax(560px,1fr) 250px;min-height:calc(100vh - 59px);display:grid}.rail,.inspector{background:var(--paper-deep);padding:22px 14px}.rail{border-right:1px solid var(--rule);flex-direction:column;display:flex}.inspector{border-left:1px solid var(--rule)}.rail-heading{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;justify-content:space-between;align-items:flex-start;gap:8px;padding:0 7px 14px;font-size:11px;font-weight:700;display:flex}.rail-heading button{color:var(--petrol);font:600 11px var(--sans);cursor:pointer;text-transform:none;letter-spacing:0;background:0 0;border:0}.rail-actions{flex-direction:column;align-items:flex-end;gap:3px;display:flex}.new-item-form{background:#f7f6ef;border:1px solid #bec9c5;border-radius:4px;margin:0 5px 12px;padding:10px}.new-item-form 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0;border:0;border-radius:6px;align-items:center;gap:9px;padding:8px;display:flex;overflow:hidden}.tree-item.selected{color:var(--ink);background:#e8ece8;font-weight:650}.tree-glyph{color:var(--petrol);font-size:16px}.dataset-item{color:#43575d}.tree-folder{margin-top:7px}.folder-label{color:var(--ink-soft);align-items:center;gap:6px;padding:6px 8px 4px;font-size:11px;font-weight:700;display:flex}.folder-label span{color:var(--muted);font-size:9px}.folder-children{border-left:1px solid #cbd2ce;margin-left:11px;padding-left:12px}.rail-note{border-top:1px solid var(--rule);color:var(--muted);flex-direction:column;gap:3px;margin-top:auto;padding:14px 10px 3px;font-size:11px;display:flex}.rail-note strong{color:var(--ink-soft)}.rail-note button{color:var(--petrol);cursor:pointer;text-align:left;font:600 10px var(--sans);background:0 0;border:0;margin-top:7px;padding:0}.canvas-area{min-width:0;padding:42px clamp(28px,4vw,68px) 80px}.canvas-heading{justify-content:space-between;align-items:end;gap:24px;max-width:960px;margin:0 auto 28px;display:flex}.eyebrow{color:var(--coral);font:700 10px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;display:block}h1{font:500 clamp(25px,3vw,38px)/1.08 var(--serif);letter-spacing:-.035em;color:var(--ink);margin:0}h2{color:var(--ink);font:500 23px/1.15 var(--serif);letter-spacing:-.02em;margin:0}.drop-zone{text-align:center;background-color:#fbfaf4;background-image:linear-gradient(#e4e7e0 1px,#0000 1px),linear-gradient(90deg,#e4e7e0 1px,#0000 1px);background-size:24px 24px;border:1px solid #b9c5c0;border-radius:2px;flex-direction:column;justify-content:center;align-items:center;max-width:900px;min-height:430px;margin:0 auto;padding:34px;transition:all .18s;display:flex;position:relative;box-shadow:0 18px 50px #1c303514}.drop-zone:after{content:"";pointer-events:none;border:1px dashed 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button{color:var(--ink-soft);text-align:left;cursor:pointer;background:#fff;border:1px solid #c9b9a8;border-radius:4px;flex-direction:column;align-items:flex-start;gap:4px;padding:14px;display:flex}.multi-file-actions button:hover{border-color:var(--coral);transform:translateY(-1px)}.multi-file-actions strong{font-size:12px}.multi-file-actions span{color:var(--muted);font-size:10px;line-height:1.4}.plot-panel{background:#fbfaf4;border:1px solid #b9c5c0;max-width:960px;margin:0 auto;box-shadow:0 18px 50px #1c303514}.plot-panel.span-1{width:calc(50% - 8px);max-width:472px}.plot-panel.span-1.col-1{margin-left:max(0px,50% - 480px);margin-right:auto}.plot-panel.span-1.col-2{margin-left:auto;margin-right:max(0px,50% - 480px)}.plot-navigator{grid-template-columns:1fr 1fr;gap:8px;max-width:960px;margin:0 auto 12px;display:grid}.plot-navigator button{min-width:0;color:var(--muted);cursor:pointer;text-align:left;background:#eeeee7;border:1px solid #c2cbc6;border-radius:4px;flex-direction:column;align-items:flex-start;padding:8px 10px 6px;display:flex;overflow:hidden}.plot-navigator button.selected{border-color:var(--petrol);color:var(--ink);box-shadow:inset 3px 0 var(--petrol);background:#f9f8f2}.plot-navigator span{text-transform:uppercase;letter-spacing:.08em;font-size:9px}.plot-navigator strong{text-overflow:ellipsis;white-space:nowrap;width:100%;margin-top:2px;font-size:11px;overflow:hidden}.mini-plot{width:100%;height:42px;margin-top:5px}.plot-navigator button.tile-compact .mini-plot{height:28px}.plot-navigator button.tile-tall .mini-plot{height:58px}.plot-toolbar{border-bottom:1px solid var(--rule);justify-content:space-between;align-items:center;gap:16px;min-height:58px;padding:10px 16px;display:flex}.plot-toolbar label{color:var(--muted);text-transform:uppercase;letter-spacing:.07em;align-items:center;gap:10px;font-size:11px;font-weight:700;display:flex}.plot-toolbar input{width:min(38vw,360px);color:var(--ink);font:500 14px var(--sans);background:0 0;border:1px solid #0000;border-bottom-color:#b9c5c0;padding:6px 4px}.plot-toolbar input:focus{outline:2px solid var(--focus);outline-offset:2px}.plot-facts{gap:8px;display:flex}.plot-facts span{color:#486067;background:#e9eeeb;border-radius:99px;padding:4px 8px;font-size:10px;font-weight:650}.plot-toolbar-end{align-items:center;gap:12px;display:flex}.export-actions{gap:4px;display:flex}.export-actions button{color:var(--petrol);cursor:pointer;font:650 10px var(--sans);background:#f7f6ef;border:1px solid #b7c4bf;border-radius:3px;padding:5px 7px}.export-actions button:hover{border-color:var(--petrol)}.plot-frame{min-height:480px;position:relative}.plot-target{width:100%;height:480px}.plot-panel.height-compact .plot-frame{min-height:340px}.plot-panel.height-compact .plot-target{height:340px}.plot-panel.height-tall .plot-frame{min-height:620px}.plot-panel.height-tall .plot-target{height:620px}.plot-status{color:var(--muted);place-items:center;font-size:13px;display:grid;position:absolute;inset:0}.inference-inspector{border-top:1px solid var(--rule)}.inference-inspector summary{cursor:pointer;color:var(--petrol);padding:14px 16px;font-size:12px;font-weight:650}.plot-editor{border-top:1px solid var(--rule);background:#f6f5ee}.plot-editor summary{cursor:pointer;color:var(--petrol);padding:14px 16px;font-size:12px;font-weight:650}.plot-editor-grid{grid-template-columns:repeat(5,minmax(105px,1fr));gap:12px;padding:2px 16px 18px;display:grid}.plot-editor-grid label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:10px;font-weight:700}.plot-editor-grid input:not([type=checkbox]):not([type=color]),.plot-editor-grid select{width:100%;color:var(--ink-soft);text-transform:none;letter-spacing:0;background:#fbfaf4;border:1px solid #b9c5c0;border-radius:3px;margin-top:5px;padding:6px 7px;font-size:11px}.plot-editor-grid 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select{width:100%;color:var(--ink-soft);background:#fff;border:1px solid #b9c5c0;margin-top:4px;padding:5px 6px;font-size:11px;display:block}.series-editor .check-field{min-height:29px;color:var(--ink-soft);text-transform:none;letter-spacing:0;align-items:center;gap:6px;display:flex}.series-order{gap:4px;display:flex}.series-order button{color:var(--petrol);cursor:pointer;background:#f7f6ef;border:1px solid #b7c4bf;border-radius:3px;padding:5px 7px;font-size:10px}.series-order button:disabled{opacity:.35;cursor:default}.plot-panel.span-1 .plot-toolbar{flex-direction:column;align-items:flex-start}.plot-panel.span-1 .plot-toolbar-end{justify-content:space-between;width:100%}.plot-panel.span-1 .plot-editor-grid,.plot-panel.span-1 .series-editor fieldset{grid-template-columns:repeat(2,minmax(0,1fr))}.range-editor{background:#fbfaf4;border:1px solid #c7cfca;flex-wrap:wrap;align-items:end;gap:8px;margin:0 16px 14px;padding:10px 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18px;padding-top:13px;display:flex}.column-correction>strong{color:var(--ink-soft);flex-basis:100%;font-size:11px}.column-correction label{color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-size:9px;font-weight:700}.column-correction select{min-width:120px;color:var(--ink-soft);text-transform:none;letter-spacing:0;background:#fff;border:1px solid #b9c5c0;margin-top:4px;padding:6px 7px;font-size:11px;display:block}.column-correction button{border:1px solid var(--petrol);background:var(--petrol);color:#fff;cursor:pointer;font:650 11px var(--sans);border-radius:3px;padding:7px 10px}.column-correction>span{color:var(--muted);font-size:10px}.inspector h2{font:600 17px/1.3 var(--sans);overflow-wrap:anywhere}.inspector p{color:var(--muted);margin-top:12px;font-size:12px;line-height:1.55}.inspector dl{margin:22px 0 0}.inspector dl div{border-top:1px solid var(--rule);padding:12px 0}.inspector dt{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:10px}.inspector dd{color:var(--ink-soft);margin:4px 0 0;font-size:12px}.location-field{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-top:18px;font-size:10px;font-weight:700;display:block}.location-field select{width:100%;color:var(--ink-soft);text-transform:none;letter-spacing:0;background:#f9f8f2;border:1px solid #b7c2bd;border-radius:3px;margin-top:6px;padding:7px 8px;font-size:12px;display:block}.local-badge.saving{color:#795e2a;background:#fff7e7;border-color:#d8bd88}.local-badge.error{color:#8a3f2b;background:#fff0eb;border-color:#d6a38f}.visually-hidden{clip:rect(0,0,0,0);width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}button:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:3px}input:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:2px}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=1050px){.workspace{grid-template-columns:190px minmax(0,1fr)}.inspector{display:none}.topbar{grid-template-columns:190px 1fr auto}}@media (width<=1200px){.plot-editor-grid{grid-template-columns:repeat(3,minmax(105px,1fr))}}@media (width<=760px){.workspace{display:block}.rail{display:none}.topbar{grid-template-columns:1fr auto}.project-crumb,.topbar-actions button{display:none}.canvas-area{padding:28px 16px 50px}.canvas-heading{align-items:start}.drop-zone{min-height:370px}.plot-toolbar,.plot-toolbar-end{flex-direction:column;align-items:flex-start}.plot-toolbar input{width:60vw}.plot-target,.plot-frame{height:410px;min-height:410px}}