:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f4f6f8;color:#17202a}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,input,select{font:inherit}button{min-height:34px;border:1px solid #b8c2cc;border-radius:6px;background:#fff;color:#17202a;cursor:pointer}button:hover{background:#eef2f6}.app{display:grid;grid-template-columns:320px minmax(0,1fr);height:100dvh}.panel{display:flex;flex-direction:column;gap:18px;min-height:0;overflow:auto;border-right:1px solid #d6dde5;background:#fff;padding:20px}.panel h1{margin:0 0 8px;font-size:20px}.panel p{margin:0;color:#5b6673;line-height:1.45}.controlGroup{display:grid;gap:8px}.controlGroup label{display:grid;gap:6px;color:#42505f;font-size:13px;font-weight:600}.controlGroup input[type=number],.controlGroup select{width:100%;border:1px solid #c8d1dc;border-radius:6px;padding:7px 9px}.stats{display:grid;gap:10px;margin:auto 0 0}.stats div{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid #e2e8ef;padding-top:10px}.stats dt{color:#5b6673;font-size:13px}.stats dd{margin:0;font-variant-numeric:tabular-nums}.feedShell{display:grid;grid-template-rows:auto minmax(0,1fr);min-height:0;min-width:0}.feedHeader{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d6dde5;background:#fff;padding:12px 18px}.feedHeader div{display:grid;gap:2px}.feedHeader span{color:#667382;font-size:13px}.feedScroller{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:20px 18px 28px}.edgeRow{display:flex;justify-content:center;padding:16px}.messageRow{max-width:880px;margin:0 auto}.messageRow.clickableMessage{cursor:pointer}.dateDivider{display:flex;align-items:center;gap:12px;margin:22px 0 14px;color:#667382;font-size:12px;font-weight:700;text-transform:uppercase}.dateDivider:before,.dateDivider:after{content:"";height:1px;flex:1;background:#dce3eb}.message{display:grid;grid-template-columns:42px minmax(0,1fr);gap:10px;padding:3px 0}.message.grouped{padding-top:1px}.avatar,.avatarSpacer{width:36px}.avatar{display:grid;place-items:center;height:36px;border-radius:50%;color:#fff;font-weight:800}.bubble{min-width:0;border-radius:8px;padding:7px 10px 9px}.message:hover .bubble{background:#eaf0f6}.messageRow.editedFlash .bubble{animation:edited-flash 1.8s ease-out}.meta{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px;margin-bottom:3px}.meta strong{color:#1b2733}.meta time,.meta span{color:#6b7785;font-size:12px}.bubble p{margin:0;line-height:1.45;overflow-wrap:anywhere}.deleted{color:#7b8794;font-style:italic}.attachments{display:grid;gap:6px;margin-top:8px;max-width:540px}.attachments.count2,.attachments.count3{grid-template-columns:repeat(2,minmax(0,1fr))}.attachments img{display:block;width:100%;max-height:360px;object-fit:cover;border-radius:8px;background:#dce3eb}.preview{display:grid;grid-template-columns:112px minmax(0,1fr);gap:10px;max-width:520px;margin-top:8px;overflow:hidden;border:1px solid #ced7e1;border-radius:8px;color:inherit;text-decoration:none}.preview img{width:112px;height:78px;object-fit:cover}.preview span{display:grid;align-content:center;gap:3px;min-width:0;padding:8px 10px 8px 0}.preview strong,.preview small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.preview small{color:#667382}.reactions{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.reactions span{border:1px solid #ced7e1;border-radius:999px;background:#fff;padding:2px 8px;color:#42505f;font-size:12px}@keyframes edited-flash{0%{background:#fff4bf;box-shadow:inset 0 0 0 2px #f59e0b}to{background:transparent;box-shadow:inset 0 0 #f59e0b00}}@media(max-width:760px){.app{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.panel{max-height:42dvh;border-right:0;border-bottom:1px solid #d6dde5}.preview{grid-template-columns:88px minmax(0,1fr)}.preview img{width:88px}}.engineSmoke{display:grid;grid-template-rows:minmax(0,1fr);width:100%;height:100dvh;min-height:0;margin-inline:auto;background:#f4f6f8}.engineSmoke.narrow{max-width:620px;border-right:1px solid #d6dde5;border-left:1px solid #d6dde5}.engineToolbarToggle{position:fixed;top:8px;left:8px;z-index:30;min-height:30px;padding:5px 9px;border-color:#8794a3;box-shadow:0 2px 8px #17202a29}.engineSmokeHeader{position:fixed;top:0;right:0;left:0;z-index:20;display:flex;flex-wrap:wrap;align-items:center;gap:12px;border-bottom:1px solid #d6dde5;background:#fff;padding:10px 14px 10px 124px}.engineSmoke.narrow .engineSmokeHeader{left:50%;width:min(620px,100vw);transform:translate(-50%)}.engineSmokeHeader span{flex:1 1 260px;min-width:160px;color:#667382;font-size:13px}.engineScroller{position:relative;min-height:0;overflow-y:auto;overflow-anchor:none;overscroll-behavior:contain}.engineCanvas{position:relative;width:100%}.engineItem{contain:layout}.engineEdgeZone{display:flex;align-items:center;justify-content:center;gap:8px;color:#667382;font-size:13px;pointer-events:none}.engineEdgeZone button{pointer-events:auto}.engineEdgeSpinner{width:14px;height:14px;border:2px solid #c8d1dc;border-top-color:#42505f;border-radius:50%;animation:engine-edge-spin .8s linear infinite}.engineLine{display:grid;grid-template-columns:38px minmax(0,1fr);gap:10px;max-width:880px;margin-inline:auto;padding:12px 18px;cursor:pointer}.engineLine.grouped{padding-top:8px}.engineAvatar{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;color:#fff;font-weight:800}.engineLine.grouped .engineAvatar{visibility:hidden}.engineText{display:grid;row-gap:2px;align-content:start;min-width:0}.engineMeta{display:flex;gap:8px;align-items:baseline}.engineMeta time{color:#667382;font-size:12px}.engineText p{margin:0;overflow-wrap:anywhere;white-space:pre-wrap}.engineDate{grid-column:1 / -1;color:#667382;font-size:12px;font-weight:700;text-align:center;text-transform:uppercase}.engineAttachments{display:grid;gap:6px;max-width:520px;padding-top:6px}.engineAttachments.count2,.engineAttachments.count3{grid-template-columns:repeat(2,minmax(0,1fr))}.engineAttachments img{display:block;width:100%;max-height:360px;border-radius:8px;background:#dce3eb;object-fit:cover}@keyframes engine-edge-spin{to{transform:rotate(360deg)}}