:root{color-scheme:light;--ice: #f7f9f7;--porcelain: #fefffc;--frost: #e8eeea;--rim: #d5dfda;--slate: #1e2927;--shale: #52615e;--cobalt: #315b75;--cobalt-deep: #244658;--moss: #3e6751;--ochre: #8a5b19;--ochre-pale: #f6ebd8;--clay: #9a4037;--shadow: 0 18px 45px rgba(42, 66, 61, .08), 0 2px 5px rgba(42, 66, 61, .06);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--slate);background:var(--ice);font-synthesis:none}*{box-sizing:border-box}html{background:var(--ice);scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;font-size:16px;line-height:1.55;background:radial-gradient(circle at 76% 0%,rgba(214,228,223,.48),transparent 38rem),var(--ice)}button,input,select,textarea{font:inherit;color:inherit}button,.button-link{min-height:44px;border:1px solid var(--rim);border-radius:999px;padding:.65rem 1.05rem;background:#fefffcd1;cursor:pointer;font-weight:700;transition:transform .18s ease,background .18s ease,border-color .18s ease}button:hover,.button-link:hover{border-color:var(--cobalt);background:var(--porcelain)}button:active,.button-link:active{transform:translateY(1px)}button:disabled{opacity:.45;cursor:not-allowed}a{color:var(--cobalt-deep);text-underline-offset:3px}:focus-visible{outline:3px solid #d58d24;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,Cambria,Times New Roman,serif;font-weight:400;letter-spacing:-.035em}h1{font-size:clamp(2.45rem,6vw,4.9rem);line-height:.98;margin-bottom:1.6rem}h2{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.08;margin-bottom:1rem}h3{font-size:1.05rem}em{color:var(--cobalt);font-weight:400}.skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:.65rem 1rem;border-radius:6px;color:#fff;background:var(--cobalt-deep);transform:translateY(-150%)}.skip-link:focus{transform:none}.site-header{min-height:76px;max-width:1440px;margin:0 auto;padding:14px clamp(18px,4vw,56px);display:flex;align-items:center;justify-content:space-between;gap:1rem}.site-header.compact{max-width:900px}.brand{display:inline-flex;align-items:center;gap:.7rem;min-height:44px;color:var(--slate);font-family:Georgia,serif;font-size:1.2rem;font-weight:700;text-decoration:none}.brand-mark{width:31px;height:23px;position:relative;display:inline-block;border:2px solid var(--cobalt);border-radius:7px 10px 8px 6px;transform:rotate(-2deg);background:var(--porcelain);box-shadow:0 5px 12px #315b751a}.brand-mark:after{content:"";position:absolute;left:13px;bottom:-8px;height:9px;border-left:2px solid var(--cobalt)}nav{display:flex;align-items:center;gap:.7rem}nav>a{display:inline-flex;min-height:44px;align-items:center}.text-button{border-color:transparent;background:transparent}.buy-link{display:inline-flex;align-items:center;min-height:44px;padding:.55rem 1rem;color:var(--porcelain);border-radius:999px;background:var(--cobalt-deep);font-weight:700;text-decoration:none}.hero{max-width:1440px;min-height:calc(100vh - 76px);margin:0 auto;padding:clamp(36px,6vw,88px) clamp(18px,4vw,56px) 90px;display:grid;grid-template-columns:minmax(320px,.82fr) minmax(420px,1.18fr);align-items:center;gap:clamp(28px,5vw,86px);overflow:hidden}.hero-copy{position:relative;z-index:1;max-width:650px}.eyebrow{margin-bottom:.8rem;color:var(--cobalt-deep);font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.lede{max-width:39rem;color:var(--shale);font-size:clamp(1.08rem,1.6vw,1.3rem);line-height:1.55}.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin:2rem 0 1.2rem}.primary{color:#fff;border-color:var(--cobalt-deep);background:var(--cobalt-deep)}.primary:hover{color:#fff;background:var(--cobalt)}.privacy-note{color:var(--shale);font-size:.88rem}.action-note{margin:-.55rem 0 1.15rem;color:var(--shale);font-size:.88rem}.plain-facts{display:grid;gap:5px;margin:0;padding:0;color:var(--shale);font-size:.88rem;list-style:none}.plain-facts li:before{content:"◌";margin-right:.5rem;color:var(--cobalt)}.license-status{display:inline-flex;min-height:44px;align-items:center;color:var(--moss);font-size:.86rem;font-weight:800}.hero-art{position:relative;display:block}.hero-art:before{content:"";position:absolute;inset:9% -7% -8% 11%;z-index:-1;border-radius:45% 52% 38% 55%;background:#cfddd780;filter:blur(20px)}.hero-art img{display:block;width:min(100%,820px);height:auto;border-radius:44% 36% 42% 31%/22% 25% 19% 30%;box-shadow:0 28px 70px #2948421f;transform:rotate(.6deg)}.principles{max-width:1180px;margin:0 auto 100px;padding:76px clamp(18px,4vw,56px);border-top:1px solid var(--rim)}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,5vw,72px);margin-top:42px}.principle-grid article>span{display:inline-block;margin-bottom:1.2rem;color:var(--cobalt);font:1.4rem Georgia,serif}.principle-grid p{color:var(--shale)}footer{max-width:1440px;min-height:84px;margin:0 auto;padding:20px clamp(18px,4vw,56px);border-top:1px solid var(--rim);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem 2rem;color:var(--shale);font-size:.82rem}footer span{display:flex;gap:1.2rem}footer a{display:inline-flex;min-width:44px;min-height:44px;align-items:center;justify-content:center}.workspace{max-width:1440px;min-height:calc(100vh - 76px);margin:0 auto;padding:0 clamp(18px,3vw,42px) 80px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:clamp(22px,3vw,48px)}.case-rail{padding:28px 0;border-right:1px solid var(--rim)}.case-rail>div{display:flex;align-items:center;justify-content:space-between;padding-right:22px}.rail-label{margin:0;font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.icon-button{width:44px;padding:0;font-size:1.5rem;line-height:1}.case-rail ul{list-style:none;margin:22px 0;padding:0 20px 0 0;display:grid;gap:8px}.case-tab{width:100%;min-height:58px;padding:7px;display:grid;grid-template-columns:38px 1fr;gap:8px;align-items:center;border:1px solid transparent;border-radius:12px;text-align:left;background:transparent;font-weight:700}.case-tab>span:first-child{display:grid;width:38px;height:38px;place-items:center;border:1px solid var(--rim);border-radius:10px;background:var(--porcelain);font-family:Georgia,serif}.case-tab small{display:block;color:var(--shale);font-weight:400}.case-tab.active{border-color:var(--rim);background:#fefffccc;box-shadow:0 7px 18px #2a423d0d}.rail-import{margin:8px 20px 0 0;border:0;padding:0;text-align:left;text-decoration:underline;text-underline-offset:3px;background:transparent;color:var(--cobalt-deep);font-size:.82rem}.workbench{min-width:0;padding-top:28px}.work-top{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:32px}.work-top h1{margin-bottom:.5rem;font-size:clamp(2.1rem,4vw,3.5rem)}.work-top p:last-child{margin-bottom:0;color:var(--shale)}.actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.7rem}.summary-strip{display:grid;grid-template-columns:repeat(4,1fr);margin-bottom:36px;border:1px solid var(--rim);border-radius:18px;background:#fefffcbd;box-shadow:var(--shadow);overflow:hidden}.summary-strip>div{min-width:0;padding:20px clamp(16px,2vw,28px);border-right:1px solid var(--rim)}.summary-strip>div:last-child{border:0}.summary-strip span,.summary-strip small{display:block;color:var(--shale);font-size:.78rem}.summary-strip strong{display:block;margin:3px 0;font-size:clamp(1.15rem,2vw,1.55rem);font-variant-numeric:tabular-nums}.summary-strip .amount-open{background:var(--ochre-pale)}.summary-strip .amount-open span,.summary-strip .amount-open strong{color:#70470f}.summary-strip .amount-clear strong{color:var(--moss)}.work-columns{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,.8fr);gap:clamp(28px,4vw,58px);align-items:start}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:24px}.section-heading h2{margin-bottom:0}.thread{--thread-x: 27px;position:relative;list-style:none;margin:0;padding:0}.thread:before{content:"";position:absolute;z-index:0;left:var(--thread-x);top:22px;bottom:22px;border-left:2px solid var(--cobalt);opacity:.45}.thread-item{position:relative;margin-bottom:12px}.record-button{position:relative;z-index:1;width:100%;min-height:82px;padding:13px 16px 13px 7px;display:grid;grid-template-columns:42px minmax(120px,1fr) auto 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.record-button{border-color:#c68b34;background:#fffbf4}.thread-item.unresolved .record-icon{background:var(--ochre)}.thread-item.unresolved .record-amount small{color:#70470f;font-weight:700}.explain-panel{position:sticky;top:20px;padding:26px;border:1px solid var(--rim);border-radius:18px 24px 16px 22px;background:#fefffcc2;box-shadow:var(--shadow)}.explain-panel h2{font-size:1.7rem}.attention,.resolved{margin:22px 0;padding:16px;border-radius:12px}.attention{color:#66430e;border:1px solid #d6ab6d;background:var(--ochre-pale)}.resolved{color:#31533f;border:1px solid #a8c5b2;background:#edf5ef}.attention p,.resolved p{margin:5px 0 0;font-size:.88rem}.math{margin:24px 0;font-variant-numeric:tabular-nums}.math>div{display:flex;justify-content:space-between;gap:1rem;padding:8px 0;border-bottom:1px solid var(--frost)}.math dd{margin:0;font-weight:700}.math-total{margin-top:4px;color:var(--cobalt-deep);font-size:1.08rem}.source-note,.export-block p{color:var(--shale);font-size:.8rem}.export-block{margin-top:30px;padding-top:24px;border-top:1px solid var(--rim)}.export-block button{width:100%;margin:0 0 8px}.casefile-button{color:#fff;border-color:var(--cobalt-deep);background:var(--cobalt-deep)}.empty-records{padding:70px 22px;border:1px dashed #a9b9b3;border-radius:18px;text-align:center;background:#fefffc80}.empty-records p{color:var(--shale)}.empty-records>div{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.empty-knot{display:inline-block;width:54px;height:28px;margin-bottom:20px;border:2px solid var(--cobalt);border-radius:50%;transform:rotate(-8deg)}dialog{width:min(620px,calc(100% - 28px));max-height:calc(100dvh - 28px);padding:0;border:1px solid var(--rim);border-radius:20px 26px 18px 24px;background:var(--porcelain);box-shadow:0 30px 100px #12252140}dialog::backdrop{background:#1c2b286b;backdrop-filter:blur(3px)}.dialog-shell{padding:clamp(22px,5vw,38px);overflow:auto;max-height:calc(100dvh - 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var(--cobalt);background:var(--frost);font-size:.85rem}.source-box code,.issue-list code{display:block;overflow-wrap:anywhere;color:var(--shale);font-size:.75rem}.file-drop{min-height:130px;margin:22px 0 10px;place-items:center;align-content:center;border:2px dashed #94aaa2;border-radius:16px;background:var(--ice);text-align:center;cursor:pointer}.file-drop span{color:var(--shale);font-size:.85rem;font-weight:400}.template-link{display:inline-block;margin:4px 0 20px}.import-counts{display:flex;gap:10px;margin:16px 0}.import-counts span{padding:7px 11px;border-radius:999px;font-size:.82rem;font-weight:800}.accepted{color:#31533f;background:#e6f1e9}.rejected{color:#70470f;background:var(--ochre-pale)}.issue-list{max-height:230px;overflow:auto;padding-left:1.5rem}.issue-list li{margin-bottom:12px}.success-message{color:var(--moss);font-weight:700}.how-list{margin:0;padding:0;list-style:none;counter-reset:steps}.how-list li{position:relative;padding:8px 0 22px 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button{color:#fff;border-color:#829a94;background:transparent}.offline-banner{position:sticky;z-index:900;top:0;padding:7px 16px;color:#fff;background:var(--cobalt-deep);text-align:center;font-size:.82rem;font-weight:700}.demo-banner{position:sticky;z-index:901;top:0;min-height:44px;padding:6px clamp(18px,4vw,56px);display:flex;align-items:center;justify-content:space-between;gap:12px;color:#17322b;background:#e7f0eb;border-bottom:1px solid #a8c5b2;font-size:.84rem}.demo-banner>span{display:flex;align-items:center;gap:12px}.demo-banner a,.demo-action{min-height:32px;padding:.2rem .45rem;color:var(--cobalt-deep);border:0;border-radius:4px;background:transparent;font-size:inherit;font-weight:800;text-decoration:underline;text-underline-offset:3px}.not-found{text-align:center}.not-found .button-link{width:fit-content;min-width:210px;margin:28px auto}.legal{max-width:760px;min-height:calc(100vh - 160px);margin:0 auto;padding:70px 22px 100px}.legal h1{font-size:clamp(2.8rem,7vw,4.8rem)}.legal h2{margin-top:42px;font-size:1.7rem}.legal p:not(.eyebrow){max-width:45rem}.policy-date{margin-top:50px;color:var(--shale)}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}@keyframes toast-in{0%{opacity:0;transform:translateY(10px)}}@media(max-width:980px){.workspace{grid-template-columns:1fr}.case-rail{padding:8px 0 16px;border-right:0;border-bottom:1px solid var(--rim)}.case-rail>div{padding-right:0}.case-rail ul{grid-auto-flow:column;grid-auto-columns:minmax(170px,230px);overflow-x:auto;margin:10px 0;padding:0 0 8px}.rail-import{margin-right:0}.work-columns{grid-template-columns:1fr}.explain-panel{position:static}}@media(max-width:760px){.site-header{min-height:68px}.text-button{display:none}.buy-link.small{padding:.5rem .75rem;font-size:.76rem}.demo-banner{align-items:flex-start;flex-direction:column}.hero{min-height:0;padding-top:50px;grid-template-columns:1fr}.hero-art{order:-1;margin:0 -7vw}.hero-art img{border-radius:28% 23% 26% 20%/18% 20% 17% 23%}.principle-grid{grid-template-columns:1fr;gap:28px}.workspace{padding-left:14px;padding-right:14px}.work-top{align-items:flex-start;flex-direction:column;gap:18px}.actions{justify-content:flex-start}.summary-strip{grid-template-columns:1fr 1fr}.summary-strip>div:nth-child(2){border-right:0}.summary-strip>div:nth-child(-n+2){border-bottom:1px solid var(--rim)}.record-button{grid-template-columns:42px 1fr 16px}.record-amount{grid-column:2;text-align:left}.chevron{grid-column:3;grid-row:1 / span 2}.form-grid{grid-template-columns:1fr}footer{align-items:flex-start;flex-direction:column}}@media(max-width:420px){.brand{font-size:1.05rem}.brand-mark{width:27px}.buy-link.small{max-width:128px;text-align:center;line-height:1.2}.hero{padding-left:18px;padding-right:18px}.hero h1{font-size:2.75rem}.hero-actions button{width:100%}.summary-strip strong{font-size:1rem}.section-heading{align-items:flex-start}.section-heading button{padding-inline:.75rem}.explain-panel{padding:20px 16px}dialog{width:calc(100% - 16px);max-height:calc(100dvh - 16px)}.dialog-shell{max-height:calc(100dvh - 18px);padding:22px 16px}}@media print{.site-header,footer,.case-rail,.actions,.export-block,.section-heading 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