:root{--bg:#f4f1ea;--surface:#fff;--surface-sunken:#fbfaf6;--rail:#efebe2;--text-h:#1f1d1a;--text:#5e5a52;--text-disabled:#6f6a60;--border:#ddd7cb;--border-strong:#cfc8ba;--border-soft:#ece7dc;--dashed:#bdb5a5;--chip:#ece7dc;--accent:#c8402b;--accent-soft:#f2d9d3;--accent-ink:#7e2415;--on-accent:#fff;--ink-button:#1f1d1a;--on-ink-button:#fff;--ok:#2f6b45;--warn:#8a5a00;--fail:#b3261e;--sans:"IBM Plex Sans", system-ui, "Segoe UI", sans-serif;--mono:"IBM Plex Mono", ui-monospace, Consolas, monospace;font:15px/1.45 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text-h);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#1a1917;--surface:#24221f;--surface-sunken:#1f1e1b;--rail:#201f1c;--text-h:#f1ede5;--text:#aba59a;--text-disabled:#857f75;--border:#36332e;--border-strong:#46423b;--border-soft:#2e2c28;--dashed:#57524a;--chip:#33302b;--accent:#e0654f;--accent-soft:#4a2a23;--accent-ink:#f6c9bf;--on-accent:#1a1917;--ink-button:#f1ede5;--on-ink-button:#1a1917;--ok:#7cc795;--warn:#e0b04f;--fail:#f08a80}}#root{box-sizing:border-box;flex-direction:column;width:100%;min-height:100svh;display:flex}body,h1,h2,h3,p{margin:0}button,input{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{text-align:left;flex-direction:column;min-height:100svh;display:flex}.topbar{box-sizing:border-box;border-bottom:1px solid var(--border);background:var(--surface-sunken);align-items:center;gap:12px;height:64px;padding:0 24px;display:flex}.brand{letter-spacing:-.2px;flex-grow:1;align-items:center;gap:10px;font-size:18px;font-weight:600;display:flex}.brand svg{flex-shrink:0}.btn{border:1px solid var(--border-strong);background:var(--surface);height:44px;color:var(--text-h);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:0 18px;font-size:14px;font-weight:500;display:inline-flex}.btn:disabled{cursor:not-allowed;background:var(--chip);border-color:var(--border);color:var(--text-disabled)}.btn-sm{background:var(--surface-sunken);border-radius:6px;height:36px;padding:0 12px;font-size:13px}.btn-accent{border-color:var(--accent);background:var(--accent);color:var(--on-accent);font-weight:600}.btn-ink{border-color:var(--ink-button);background:var(--ink-button);color:var(--on-ink-button);font-weight:600}.btn-ghost,.btn-ghost:disabled{background:0 0}.badge{letter-spacing:.4px;text-transform:uppercase;background:var(--chip);color:var(--text);border-radius:4px;padding:2px 6px;font-size:11px;font-weight:600}.icon-btn{width:44px;height:44px;color:var(--text-h);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;display:flex}.icon-btn:disabled{color:var(--text-disabled);opacity:.5;cursor:not-allowed}.icon-btn.play{background:var(--ink-button);color:var(--on-ink-button);border-radius:22px}.layout{flex:1;min-height:0;display:flex}.sidebar{box-sizing:border-box;border-right:1px solid var(--border);background:var(--rail);flex-direction:column;flex-shrink:0;width:320px;display:flex}.sidebar-body{flex-direction:column;flex-grow:1;gap:28px;padding:24px;display:flex}.sidebar-footer{border-top:1px solid var(--border);background:var(--rail);flex-direction:column;gap:8px;padding:16px 24px 24px;display:flex;position:sticky;bottom:0}.sidebar-footer .btn{height:48px;font-size:15px}.sidebar-footer .hint{color:var(--text);text-align:center;font-size:13px}.stage{box-sizing:border-box;flex-direction:column;flex:1;gap:16px;min-width:0;padding:24px;display:flex}.rail-section{flex-direction:column;gap:14px;display:flex}.rail-section h2{letter-spacing:.8px;text-transform:uppercase;color:var(--text);font-size:12px;font-weight:600}.source-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;align-items:center;gap:12px;padding:10px 10px 10px 12px;display:flex}.source-card.empty{border-style:dashed;border-color:var(--dashed);color:var(--text);background:0 0;padding:12px;font-size:14px}.source-name{flex-direction:column;flex-grow:1;min-width:0;display:flex}.source-name strong{text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:500;overflow:hidden}.source-name span{color:var(--text);font-size:13px}.file-button{position:relative;overflow:hidden}.file-button input[type=file]{opacity:0;cursor:pointer;position:absolute;inset:0}.notches{flex-direction:column;gap:6px;display:flex}.notches-head{justify-content:space-between;align-items:baseline;font-size:14px;font-weight:500;display:flex}.notches-value{font:500 20px var(--mono)}.notches input[type=range]{width:100%;accent-color:var(--accent);margin:0}.notches-scale{font:400 12px var(--mono);color:var(--text);justify-content:space-between;display:flex}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.field{color:var(--text);flex-direction:column;gap:4px;min-width:0;font-size:13px;display:flex}.field-input{box-sizing:border-box;background:var(--surface);border:1px solid var(--border-strong);border-radius:6px;align-items:center;gap:4px;height:40px;padding:0 10px;display:flex}.field-input:focus-within{border-color:var(--accent)}.field-input input{width:100%;min-width:0;font:400 15px var(--mono);color:var(--text-h);background:0 0;border:none;outline:none;padding:0}.field-input .unit{color:var(--text);font-size:12px}.disclosures{border-top:1px solid var(--border);flex-direction:column;display:flex}.disclosures details{border-bottom:1px solid var(--border)}.disclosures summary{cursor:pointer;align-items:center;gap:8px;min-height:52px;list-style:none;display:flex}.disclosures summary::-webkit-details-marker{display:none}.disclosures summary .summary-text{flex-direction:column;flex-grow:1;display:flex}.disclosures summary .summary-title{font-size:14px;font-weight:500}.disclosures summary .summary-values{font:400 12px var(--mono);color:var(--text)}.disclosures summary .chevron{color:var(--text);transition:transform .15s}.disclosures details[open] .chevron{transform:rotate(90deg)}.disclosures .field-grid{padding:4px 0 16px}.error-banner{border:1px solid var(--fail);color:var(--fail);background:var(--surface);border-radius:10px;padding:12px 16px;font-weight:500}.health{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;display:flex}.health-row{flex-wrap:wrap;align-items:stretch;display:flex}.health-cell{border-right:1px solid var(--border-soft);flex-direction:column;flex:140px;min-width:0;padding:12px 18px;display:flex}.health-cell.status{flex-direction:row;flex:1.4 220px;align-items:center;gap:12px}.health-cell .label,.health-cell .sub{color:var(--text);font-size:12px}.health-cell .value{font:500 18px var(--mono)}.health-cell .headline{font-size:15px;font-weight:600}.health-actions{align-items:center;padding:0 16px;display:flex}.tone-ok{color:var(--ok)}.tone-warn{color:var(--warn)}.tone-fail{color:var(--fail)}.health-details{border-top:1px solid var(--border-soft);flex-direction:column;gap:12px;padding:14px 18px;font-size:14px;display:flex}.health-details ul{margin:4px 0 0;padding-left:20px}.preview{flex-grow:1;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.preview-pane{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;min-width:0;margin:0;display:flex;overflow:hidden}.preview-pane figcaption{border-bottom:1px solid var(--border-soft);flex-wrap:wrap;align-items:baseline;column-gap:10px;padding:14px 18px;display:flex}.preview-pane figcaption strong{font-size:16px;font-weight:600}.preview-pane figcaption span{color:var(--text);font-size:13px}.preview-canvas{background:var(--surface-sunken);flex-grow:1;justify-content:center;align-items:center;padding:16px;display:flex}.preview-canvas svg{width:100%;max-width:560px;height:auto;display:block}.disc-face{fill:var(--surface)}.step-bar{box-sizing:border-box;background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;min-height:64px;padding:10px;display:flex}.step-transport{gap:4px;display:flex}.step-readout{font:500 14px var(--mono);white-space:nowrap;min-width:92px}.step-segments{flex:240px;grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;gap:4px;display:grid}.step-segment{background:var(--chip);min-width:0;height:36px;color:var(--text);font:500 12px var(--mono);cursor:pointer;border:none;border-radius:4px;padding:0}.step-segment.done{background:var(--accent-soft);color:var(--accent-ink)}.step-segment.current{background:var(--accent);color:var(--on-accent);font-weight:600}.toggle{white-space:nowrap;cursor:pointer;align-items:center;gap:8px;min-height:44px;padding:0 8px;font-size:14px;display:flex}.toggle input{width:18px;height:18px;accent-color:var(--accent);margin:0}.dropzone-card{box-sizing:border-box;border:2px dashed var(--dashed);background:var(--surface-sunken);text-align:center;border-radius:16px;flex-direction:column;flex-grow:1;justify-content:center;align-items:center;gap:16px;padding:32px;display:flex}.dropzone-card.dragging{border-color:var(--accent)}.dropzone-card .title{letter-spacing:-.3px;font-size:26px;font-weight:600}.dropzone-card .subtitle{color:var(--text);font-size:15px}.dropzone-actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:8px;display:flex}.how-it-works{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.how-it-works li{background:var(--surface);border:1px solid var(--border);border-radius:12px;gap:14px;padding:18px;display:flex}.how-it-works .num{background:var(--accent-soft);width:32px;height:32px;color:var(--accent-ink);font:600 14px var(--mono);border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.how-it-works .text{flex-direction:column;gap:4px;display:flex}.how-it-works strong{font-size:15px}.how-it-works .text span{color:var(--text);font-size:14px}.loading-overlay{background:color-mix(in srgb, var(--bg) 92%, transparent);z-index:100;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex;position:fixed;inset:0}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=900px){.topbar{padding:0 16px}.topbar .btn-ghost,.topbar .wide-only{display:none}.layout{flex-direction:column}.sidebar{border-right:none;border-bottom:1px solid var(--border);width:auto}.sidebar-body{padding:16px}.sidebar-footer{padding:16px;position:static}.stage{padding:16px}.preview,.how-it-works{grid-template-columns:minmax(0,1fr)}.health-cell{border-right:none;border-bottom:1px solid var(--border-soft)}}