:root{color-scheme:light;--paper:#f5f1e9;--surface:#fffcf7;--ink:#30252c;--muted:#675b60;--plum:#59364c;--line:#cfc6bc;--wash:#eae1e5;--error:#9b2437;--focus:#245f79}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.55}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{min-height:44px;min-width:44px;border:1px solid #a9959f;border-radius:4px;background:var(--surface);color:var(--plum);padding:10px 17px;font-size:14px;font-weight:650;cursor:pointer;line-height:1.4}button:hover{background:var(--wash);border-color:var(--plum)}button.primary{background:var(--plum);border-color:var(--plum);color:#fff}button.primary:hover{background:#412638}button:disabled,button.primary:disabled{cursor:default;background:#eeebe6;color:#756b70;border-color:#d8cec5}button:disabled:hover{background:#eeebe6;border-color:#d8cec5}a{color:var(--plum);text-underline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--focus);outline-offset:4px}input,textarea{display:block;width:100%;min-height:48px;border:1px solid #8d7181;border-radius:3px;padding:10px 12px;background:var(--surface);color:var(--ink);font-size:16px}textarea{resize:vertical;line-height:1.6}input[aria-invalid=true],textarea[aria-invalid=true]{border:2px solid var(--error)}label,.label{display:block;font-size:14px;font-weight:650;margin-bottom:6px}h1,h2,h3,p{margin:0}h1{font-size:clamp(28px,2.7vw,38px);line-height:1.17;letter-spacing:-1.1px;font-weight:700}h2{font-size:24px;line-height:1.3;letter-spacing:-.5px}h3{font-size:21px;line-height:1.35}p,h2,h3{overflow-wrap:anywhere}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.muted{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:750;color:var(--plum);margin-bottom:10px}.site-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:23px 40px;background:var(--surface);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:20px;min-width:0}.brand-name{font-size:25px;font-weight:750;letter-spacing:-.7px}.tagline{font-size:15px;color:var(--muted);margin-left:28px}.brand-mark{display:flex;flex:0 0 3px;flex-direction:column;justify-content:space-between;align-items:center;width:3px;height:36px;background:var(--plum);margin:0 5px}.brand-mark i{display:block;background:var(--plum);border-radius:50%;width:9px;height:9px}.catalog{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:96px;font-size:15px;white-space:nowrap}.session-note{max-width:1520px;margin:0 auto;padding:14px 40px 0;color:var(--muted);font-size:13px}.no-script{margin:20px 40px;padding:16px;border:1px solid var(--error)}.workspace{display:grid;grid-template-columns:330px minmax(0,1fr);gap:34px;max-width:1520px;margin:0 auto;padding:28px 40px 40px}.library{border-right:1px solid var(--line);padding-right:26px;min-width:0}.library-heading{margin-bottom:16px}.library-heading p{font-size:14px;margin-top:4px}.wide{width:100%}.library-help{font-size:14px;color:var(--muted);margin:18px 0}.library-card{padding:22px 0;border-top:1px solid var(--line)}.library-card p{font-size:14px;color:var(--muted);margin:8px 0 14px;white-space:pre-wrap}.library-card .sample-label{margin-top:7px}.library-actions{display:flex;flex-wrap:wrap;gap:8px}.library-actions button{flex:1;padding-left:12px;padding-right:12px}.library-foot{padding-top:21px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.library-empty{border-top:1px solid var(--line);padding:24px 0 32px;color:var(--muted);font-size:16px}.library-empty strong{display:block;color:var(--ink);margin-bottom:8px}#planner{min-width:0}.sheet-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:25px;flex-wrap:wrap}.sheet-heading .muted{margin-top:10px;font-size:15px}.heading-actions{display:flex;gap:10px;flex-wrap:wrap}.heading-actions button{font-size:15px}.timing{background:var(--wash);padding:22px 24px;display:grid;grid-template-columns:minmax(100px,.75fr) minmax(145px,1fr) minmax(160px,1.65fr);gap:22px;align-items:center;border-radius:5px;margin-bottom:24px;color:var(--plum)}.total-block{min-width:0}.total-block strong{font-size:46px;line-height:1.2;font-weight:750;letter-spacing:-1px;color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.total-block>div{line-height:1.2}.target-block{border-left:1px solid #c8b8c0;padding-left:22px;min-width:0}.target-entry{display:flex;align-items:center;gap:10px}.target-entry input{width:96px;min-width:0;font-size:26px;font-weight:650;font-variant-numeric:tabular-nums;padding:5px 10px}.balance-block{min-width:0}.balance-block>p:first-child{font-size:clamp(21px,2vw,29px);font-weight:700;line-height:1.3;letter-spacing:-.4px}.balance-block>p:last-child{font-size:13px;margin-top:9px}.pending-note{grid-column:1/-1;font-size:14px;border-top:1px solid #c8b8c0;padding-top:12px;color:var(--error)}.sequence-heading{display:grid;grid-template-columns:68px 1fr;gap:12px;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.8px;margin-bottom:12px}.sequence{list-style:none;padding:0;margin:0;position:relative}.sequence:not(:empty):before{content:"";position:absolute;top:30px;bottom:0;left:27px;width:3px;background:#a27c8e}.occurrence{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:24px;margin-bottom:16px;scroll-margin-top:20px}.rail{position:relative;display:flex;flex-direction:column;align-items:center;padding-top:16px;gap:10px}.number{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:50%;background:var(--plum);color:white;font-size:21px;font-weight:700;padding:4px}.elapsed{background:var(--paper);padding:3px 0;font-size:12px;color:var(--plum);font-weight:700;max-width:64px;overflow-wrap:anywhere;text-align:center;font-variant-numeric:tabular-nums}.occurrence-content{background:var(--surface);border:1px solid #d8cec5;border-radius:4px;padding:20px 22px;min-width:0}.occurrence:focus .occurrence-content,.occurrence:focus-within .occurrence-content{border-color:var(--plum)}.occurrence-top{display:flex;align-items:flex-start;gap:16px;justify-content:space-between;margin-bottom:17px}.occurrence-title{min-width:0;padding-top:3px}.occurrence-title h3{font-size:25px;letter-spacing:-.4px}.sample-label{display:block;color:var(--muted);font-size:12px;font-weight:500;margin-top:5px}.duration{flex:0 0 112px}.duration label{font-size:14px}.duration-entry{display:flex;align-items:center;gap:8px}.duration input{width:76px;font-size:25px;font-weight:650;text-align:center;padding:4px 5px;font-variant-numeric:tabular-nums}.duration-entry span{font-size:14px;color:var(--muted)}.row-notes{display:grid;grid-template-columns:88px minmax(0,1fr);gap:10px 14px;margin:0}.row-notes dt{font-size:14px;font-weight:700}.row-notes dd{margin:0;font-size:16px;white-space:pre-wrap;overflow-wrap:anywhere}.row-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:20px}.row-actions button{font-size:14px;padding:8px 13px}.sequence-end{display:grid;grid-template-columns:56px 1fr;column-gap:24px;position:relative;margin:0 0 26px;font-size:13px;color:var(--muted)}.sequence-end strong{grid-column:1;text-align:center;color:var(--plum);font-size:12px;overflow-wrap:anywhere}.sequence-end>span:last-child{grid-column:2;grid-row:2;align-self:center}.end-dot{width:9px;height:9px;background:var(--plum);border-radius:50%;justify-self:center;margin-bottom:8px}.empty-class{border-top:1px solid var(--line);padding:40px 28px 44px 80px;position:relative}.empty-number{position:absolute;left:0;top:40px;color:#8d7181;font-size:30px;font-weight:500;letter-spacing:-1px}.empty-class h2{font-size:27px}.empty-class p{color:var(--muted);max-width:510px;margin:13px 0 22px}.sample-strip{display:flex;justify-content:space-between;align-items:center;gap:22px;padding:23px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.sample-strip h2{font-size:17px;letter-spacing:0}.sample-strip p{font-size:14px;color:var(--muted);margin-top:7px}.sample-strip button{flex-shrink:0}.sheet-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:13px;font-size:13px;color:var(--muted)}.quiet{background:transparent;border-color:transparent;text-decoration:underline;text-underline-offset:4px}.status{max-width:1440px;margin:0 auto;padding:0 40px 24px;color:var(--plum);font-size:14px;min-height:46px}.status:empty{padding-bottom:0;min-height:0}.error{font-size:13px;line-height:1.45;color:var(--error);margin-top:7px}.occurrence-content>.error{margin:0 0 16px}.skip{position:fixed;left:15px;top:-100px;min-height:44px;padding:12px 18px;background:var(--surface);z-index:20}.skip:focus{top:12px}.mobile-library{display:none}dialog{border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--ink);width:min(600px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:28px;box-shadow:0 20px 80px #30252c33;overflow:auto}dialog::backdrop{background:#30252c99}.dialog-heading{margin-bottom:24px}.dialog-heading h2{font-size:30px}.dialog-heading>p:last-child{font-size:14px;color:var(--muted);margin-top:10px}#card-form>label{margin-top:18px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--line);padding-top:20px;margin-top:26px}#confirm-description{margin-top:15px;white-space:pre-wrap;color:var(--muted)}.teaching-dialog{width:100%;max-width:none;height:100dvh;max-height:none;margin:0;padding:0;border:0;border-radius:0;background:var(--paper);overflow:hidden}.teaching-shell{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr) auto}.teaching-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:19px 32px;border-bottom:1px solid var(--line);background:var(--surface)}.teaching-header .eyebrow{margin:0}.teaching-header p{font-size:14px;color:var(--muted);margin-top:4px}.teaching-scroll{overflow-y:auto;overscroll-behavior:contain;min-height:0}.teaching-scroll:focus-visible{outline-offset:-4px}.teaching-content{max-width:1040px;padding:48px 42px 60px;margin:auto}.teaching-meta{color:var(--plum);font-size:16px;font-weight:650;font-variant-numeric:tabular-nums;margin-bottom:18px}.teaching-content h2{font-size:clamp(34px,5vw,60px);letter-spacing:-1.6px;line-height:1.15}.teaching-content h3{font-size:14px;letter-spacing:1px;text-transform:uppercase;color:var(--plum);margin-top:34px;margin-bottom:12px}.note{white-space:pre-wrap;overflow-wrap:anywhere}.teaching-cue{font-size:clamp(28px,3.5vw,42px);line-height:1.5}.teaching-transition{border-top:1px solid var(--line);margin-top:32px}.teaching-transition p{font-size:clamp(24px,2.7vw,32px);line-height:1.5}.teaching-nav{display:grid;grid-template-columns:140px minmax(0,1fr) 140px;align-items:center;gap:16px;padding:16px 32px max(16px,env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line)}.teaching-nav span{text-align:center;font-size:17px;font-weight:650;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.teaching-nav button{font-size:16px;min-height:48px}body.modal-open{overflow:hidden}
@media(min-width:981px) and (max-width:1200px){.workspace{grid-template-columns:270px minmax(0,1fr);gap:24px;padding-left:28px;padding-right:28px}.library{padding-right:22px}.timing{gap:16px;padding:20px}.target-block{padding-left:16px}.occurrence{gap:16px}.sequence-heading{grid-template-columns:60px 1fr}.sample-strip{align-items:flex-start;flex-direction:column}.tagline{display:none}.occurrence-top{flex-wrap:wrap}.duration{flex-basis:112px}}
@media(max-width:980px){.site-header{padding:18px 24px}.tagline{display:none}.session-note{padding:14px 24px 0}.workspace{display:flex;flex-direction:column;gap:22px;padding:24px}.mobile-library{display:flex;align-items:center;justify-content:space-between;text-align:left;font-size:16px}.mobile-library span{font-size:21px}.library{display:none;border-right:0;padding:20px;border:1px solid var(--line);background:var(--surface)}.library.library-open{display:block}.library-heading{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.library-actions button{flex:0 1 auto;min-width:82px}.status{padding-left:24px;padding-right:24px}.sheet-heading{gap:18px}.timing{grid-template-columns:minmax(0,1fr) minmax(145px,1fr) minmax(0,1.4fr)}.sheet-heading h1{font-size:34px}}
@media(max-width:600px){.site-header{padding:15px 16px;gap:10px}.brand{gap:11px}.brand-name{font-size:19px;letter-spacing:-.5px}.catalog{font-size:14px;min-width:84px}.brand-mark{height:31px}.session-note{padding:12px 16px 0;font-size:12px}.workspace{padding:20px 16px 28px;gap:22px}.sheet-heading h1{font-size:30px}.heading-actions{width:100%}.heading-actions button{flex:1}.timing{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;padding:19px}.total-block strong{font-size:44px}.target-block{padding-left:18px}.target-entry{gap:7px}.target-entry input{width:82px}.balance-block{grid-column:1/-1;border-top:1px solid #c8b8c0;padding-top:16px}.balance-block>p:first-child{font-size:26px}.balance-block>p:last-child{margin-top:4px}.sequence-heading{grid-template-columns:44px minmax(0,1fr);gap:12px;font-size:12px;letter-spacing:0}.sequence:not(:empty):before{left:20px}.occurrence{grid-template-columns:42px minmax(0,1fr);gap:12px}.number{min-width:40px;min-height:40px;font-size:18px}.rail{padding-top:15px}.elapsed{max-width:44px}.occurrence-content{padding:16px 14px}.occurrence-top{display:block}.occurrence-title h3{font-size:23px}.duration{margin-top:15px}.duration-entry input{width:80px}.row-notes{display:block}.row-notes dt{margin-top:13px;margin-bottom:3px;font-size:14px}.row-notes dd{font-size:16px}.row-actions{gap:7px;justify-content:flex-start}.row-actions button{font-size:14px;padding:8px 10px;flex:1 1 auto}.sequence-end{grid-template-columns:42px minmax(0,1fr);gap:8px 12px}.empty-class{padding:28px 0 32px 56px}.empty-number{font-size:26px;top:27px}.empty-class h2{font-size:24px}.empty-class p{font-size:16px}.sample-strip{flex-direction:column;align-items:flex-start;gap:16px}.sample-strip button{width:100%}.sheet-foot{align-items:flex-start}.sheet-foot>span{padding-top:10px;max-width:200px}.status{padding-left:16px;padding-right:16px}.library{padding:18px}.library-heading h2{font-size:22px}dialog{padding:22px;max-height:calc(100dvh - 24px)}.dialog-actions button{flex:1}.teaching-dialog{max-height:none}.teaching-header{padding:14px 16px;gap:10px}.teaching-header p{font-size:12px}.teaching-header button{padding:10px 12px;flex-shrink:0}.teaching-content{padding:28px 22px 40px}.teaching-content h2{font-size:36px;letter-spacing:-1px}.teaching-cue{font-size:32px}.teaching-transition p{font-size:28px}.teaching-nav{grid-template-columns:minmax(0,1fr) 70px minmax(0,1fr);padding:12px 16px max(12px,env(safe-area-inset-bottom));gap:8px}.teaching-nav button{padding:10px 6px}.teaching-nav span{font-size:16px}.no-script{margin:16px}}
@media(prefers-reduced-motion:no-preference){button{transition:background-color .15s,border-color .15s}}
@media(forced-colors:active){.number{border:1px solid CanvasText}.occurrence-content,.timing{border:1px solid CanvasText}}

.save-tools{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 16px;padding:12px 16px;border:1px solid var(--line);border-radius:8px;background:#fffcf6;margin:16px 0}
.save-tools p{margin:0 0 8px;font-size:14px;overflow-wrap:anywhere}
.save-tools .save-hint{font-size:12px;color:var(--muted);margin:10px 0 0;max-width:75ch}
.save-actions{display:flex;flex-wrap:wrap;gap:8px;grid-column:2;grid-row:1}
.save-actions button{min-height:42px;font-size:12px;padding:8px 10px}
#storage-status{align-self:center;margin:0;font-size:13px}
.save-tools .save-hint,#file-status{grid-column:1/-1}
@media(max-width:700px){.save-tools{display:block}.save-tools #storage-status{margin-bottom:8px}}
#storage-status[data-state="error"],#storage-status[data-state="conflict"]{color:#8d2437;font-weight:600}
#file-status:empty{display:none}
#file-status:not(:empty){margin-top:10px}
@media print{.save-tools{display:none!important}}

.save-tools{margin:16px 28px}