Change one meeting

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<html lang="en-US"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Change one meeting</title><style>*{box-sizing:border-box}body{margin:0;background:#f3f4f2;color:#202c32;font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}main{max-width:1120px;margin:auto;padding:30px 28px 60px}header{margin-bottom:22px}.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:750;color:#59676b}h1{font-size:clamp(25px,4vw,36px);line-height:1.15;letter-spacing:-.035em;margin:7px 0 10px}h2{font-size:21px;line-height:1.3;margin:0 0 16px}h3{font-size:17px;margin:0 0 10px}p{margin:8px 0 16px}label{display:block;font-size:14px;font-weight:650;margin:12px 0 5px}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;min-width:0;border:1px solid #b6c0bf;border-radius:7px;background:#fff;color:#202c32;padding:10px 12px}textarea{resize:vertical;min-height:88px}input[type=checkbox]{width:18px;height:18px;vertical-align:middle;margin-right:8px}button{border:1px solid #b8c3c1;border-radius:7px;padding:10px 15px;background:#fff;color:#203632;font-weight:650;cursor:pointer}button.primary{background:#243f3c;color:white;border-color:#243f3c}button:hover{filter:brightness(.95)}button:disabled{opacity:.48;cursor:not-allowed}:focus-visible{outline:3px solid #b05814;outline-offset:3px}.buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.panel{background:#fff;border:1px solid #d7ddda;border-radius:12px;padding:24px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:22px}.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.result{background:#e4eee8;border:1px solid #c5d6ca;border-radius:12px;padding:28px}.big{font-size:clamp(32px,5vw,56px);font-weight:740;line-height:1.14;letter-spacing:-.04em;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.muted{color:#59686a;font-size:14px}.tag{display:inline-block;background:#edf0ed;border-radius:4px;padding:3px 8px;font-size:12px;font-weight:700}.error{color:#9d301b;font-weight:650;min-height:24px;margin-top:10px}.note{border-left:3px solid #9a794a;padding:10px 15px;background:#faf5e9;margin:18px 0}.below{margin-top:28px}.record{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;background:#f2f4f1;padding:18px;border-radius:8px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid #dce1dd;padding:12px 10px;overflow-wrap:anywhere}th{color:#59686a;font-size:12px}a{color:#2c5a6a;overflow-wrap:anywhere}details{margin-top:20px}summary{cursor:pointer;font-weight:650}hr{border:0;border-top:1px solid #d6dcd6;margin:22px 0}[hidden]{display:none!important}ol,ul{padding-left:23px}.statline{display:flex;gap:20px;flex-wrap:wrap;margin:18px 0}.statline strong{display:block;font-size:24px}.inline{display:flex;align-items:center;gap:8px}.inline label{margin:0} .blank{min-height:36px;border-bottom:1px dashed #aebbb5;color:#66736d;font-size:13px;padding:8px 0}@media(max-width:720px){main{padding:22px 18px 45px}.split{grid-template-columns:1fr}.panel,.result{padding:20px}.row{gap:12px}th,td{padding:10px 6px}}@media(max-width:400px){main{padding:18px 14px 40px}.big{font-size:34px}button{padding:10px 12px}.row{grid-template-columns:1fr}.panel,.result{padding:17px}}.scheduleHead{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:24px;padding:22px 0}.scheduleHead p{margin-bottom:0}.occurrence{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:14px;border-top:1px solid #dce1dd;padding:16px 0;font-size:14px}.timeline{padding:15px 0}.track{height:22px;background:#ced9ce;border-radius:4px;position:relative;overflow:hidden}.track span{position:absolute;height:100%;background:#3e6059;border-radius:4px}.track.other span{background:#a06638}.trackLabel{font-size:13px;margin:10px 0 5px}.axis{display:flex;justify-content:space-between;font-size:12px;margin-top:5px}@media(max-width:650px){.scheduleHead{grid-template-columns:1fr;gap:4px}.occurrence{grid-template-columns:1fr;gap:8px}}</style></head><body><main><header><div class="eyebrow">SER01 · Four Tuesdays · America/New_York</div><h1>Change one meeting</h1></header>
<section class="scheduleHead"><div><span class="eyebrow">Planned series</span><div class="big">4 × 30 min</div><p>120 planned minutes · Dana · Room A</p></div><div><label for="candidate">Review SER01-03 only</label><select id="candidate"><option value="baseline">Baseline · 10:00–10:30</option><option value="E01" selected>E01 · 11:00–11:30 · Room B</option><option value="E02">E02 · 11:45–12:15 · Room B</option></select></div></section>
<section class="result below" aria-live="polite"><h2 id="finding">E01 overlaps X01 by 15 minutes</h2><p id="interval">11:15–11:30 · Room B and Dana both conflict</p><div class="timeline"><div class="timeLine" id="timeLine"></div></div><div class="muted">November 3, 2026 · Local time in America/New_York</div></section>
<section class="panel below"><h2>Four original occurrences</h2><div id="ledger"></div><p class="muted">Alternatives retain SER01-03 and its original time. The other three occurrences stay unchanged; the series remains four meetings.</p></section>
<section class="panel below"><h2>Unsent proposal</h2><div id="draft" class="record"></div><h3 class="below">Actual decision and communication record</h3><div class="row"><div><label for="decision">Decision and selected candidate</label><input id="decision"></div><div><label for="approval">Authorized organizer / approval reference</label><input id="approval"></div><div><label for="availability">Room, attendee and buffer confirmation</label><input id="availability"></div><div><label for="effective">Effective native-calendar details</label><input id="effective"></div><div><label for="updated">Calendar updated by / evidence</label><input id="updated"></div><div><label for="sent">Update sent to / time / evidence</label><input id="sent"></div></div><label for="ack">Acknowledgment or follow-up</label><input id="ack"><p class="muted">All entries are fictional or proposed. Reviewing an option fills no approval or sent fields. Setup, travel, other bookings and actual availability require confirmation. No zone conversion is performed.</p><a href="https://support.microsoft.com/en-us/outlook/calendar/change-an-appointment-meeting-or-event-in-outlook">Outlook: one occurrence versus series scope</a></section><footer class="below muted">Local working example · Changes last only while this page is open.</footer></main><script>
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const dates=['2026-10-20','2026-10-27','2026-11-03','2026-11-10'],choices={baseline:{start:600,end:630,room:'Room A'},E01:{start:660,end:690,room:'Room B'},E02:{start:705,end:735,room:'Room B'}};const time=n=>String(Math.floor(n/60)).padStart(2,'0')+':'+String(n%60).padStart(2,'0');function review(id){if(!Object.hasOwn(choices,id))throw Error('Unknown candidate');const c=choices[id],overlap=Math.max(0,Math.min(c.end,705)-Math.max(c.start,675));return {...c,overlap,total:120,dates:[...dates]}}
function render(){const id=$('candidate').value,r=review(id);txt('finding',id==='baseline'?'Baseline retained for review':id+' '+(r.overlap?'overlaps X01 by '+r.overlap+' minutes':'has no interval overlap with supplied X01'));txt('interval',r.overlap?'11:15–11:30 · Room B and Dana both conflict':id==='baseline'?'10:00–10:30 · Room A · Proposed original time':'Starts at 11:45 when X01 ends; buffers and availability remain unconfirmed.');$('timeLine').innerHTML='<div class="trackLabel">Candidate '+esc(id)+' · '+time(r.start)+'–'+time(r.end)+'</div><div class="track"><span style="left:'+((r.start-600)/150*100)+'%;width:20%"></span></div><div class="trackLabel">X01 · 11:15–11:45 · Room B · Dana</div><div class="track other"><span style="left:50%;width:20%"></span></div><div class="axis"><span>10:00</span><span>11:15</span><span>12:30</span></div>';$('ledger').innerHTML=dates.map((d,i)=>'<div class="occurrence"><div><strong>SER01-0'+(i+1)+'</strong><br>'+d+' · Tuesday</div><div>Original: 10:00–10:30 · Room A<br><span class="muted">America/New_York · Dana</span></div><div>'+(i===2&&id!=='baseline'?'<strong>Review '+id+': '+time(r.start)+'–'+time(r.end)+' · Room B</strong>':'Unchanged baseline')+'</div></div>').join('');txt('draft',id==='baseline'?'Baseline review: no single-occurrence change selected. No calendar action taken.':'Proposed '+id+' change for SER01-03 only: November 3, 2026, from 10:00–10:30 in Room A to '+time(r.start)+'–'+time(r.end)+' in '+r.room+', America/New_York. October 20, October 27 and November 10 remain unchanged. '+(r.overlap?'A supplied 15-minute room and lead conflict remains. ':'No interval overlap with supplied X01. ')+'Room, buffer and attendee confirmations are pending. This proposal is not a confirmed calendar update.')}
on('candidate','change',render);window.app={review,render};render();
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