:root { --ink:#27231f; --muted:#756d64; --paper:#f5eee5; --panel:#fffaf4; --line:#ddcfc0; --wine:#8b3f4e; --wine-soft:#f3dfe2; --sage:#5d7e6e; --sage-soft:#e2ece5; --gold:#b77b36; --blue:#5274a6; font-family:Georgia,"Times New Roman",serif; color:var(--ink); background:var(--paper); font-synthesis:none; }
*{box-sizing:border-box} body{margin:0;background:radial-gradient(circle at 15% 20%,#fff8ef 0,transparent 28%),var(--paper)} button,input,select,textarea{font:inherit}.hidden{display:none!important}.skip{position:fixed;top:-50px;left:16px;z-index:100;background:var(--ink);color:white;padding:10px}.skip:focus{top:16px}
.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:0 34px;border-bottom:1px solid var(--line);background:rgba(255,250,244,.78);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;color:white;background:var(--wine);font-size:20px}.brand small,.brand strong{display:block}.brand small{font:700 9px/1.3 ui-sans-serif,system-ui;text-transform:uppercase;letter-spacing:.13em;color:var(--muted)}.brand strong{font-size:17px}nav{display:flex;gap:5px;padding:4px;border-radius:999px;background:#eadfd3}nav a{padding:8px 13px;border-radius:999px;color:var(--muted);font:700 11px ui-sans-serif,system-ui;text-decoration:none}nav a.active{color:var(--ink);background:white;box-shadow:0 2px 8px #4d382514}.header-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font:600 11px ui-sans-serif,system-ui}.tool-status{display:flex;align-items:center;gap:7px}.tool-status i{width:7px;height:7px;border-radius:50%;background:#aaa}.tool-status.connected i{background:var(--sage);box-shadow:0 0 0 3px var(--sage-soft)}
main{width:min(1580px,100%);margin:auto;padding:24px 30px 50px}.hero{position:relative;overflow:hidden;display:grid;grid-template-columns:1fr 390px;gap:36px;align-items:end;padding:42px;border-radius:28px;color:white;background:#372b29;box-shadow:0 24px 80px #4e39251d}.hero:after{content:"";position:absolute;right:-110px;top:-170px;width:420px;height:420px;border:1px solid #ffffff17;border-radius:50%;box-shadow:0 0 0 55px #ffffff0c,0 0 0 110px #ffffff08}.hero>*{position:relative;z-index:1}.eyebrow{margin:0 0 7px;color:var(--muted);font:800 9px ui-sans-serif,system-ui;text-transform:uppercase;letter-spacing:.14em}.hero .eyebrow{color:#d8aaaf}.hero h1{margin:0;font-size:clamp(39px,4.6vw,70px);line-height:.96;letter-spacing:-.055em;font-weight:500}.hero h1 em{color:#e4b6bc;font-weight:400}.hero-copy>p:nth-of-type(2){max-width:620px;margin:22px 0;color:#d1c5bf;font:400 15px/1.55 ui-sans-serif,system-ui}.hero-metrics{display:flex;gap:20px;margin-top:25px}.metric strong,.metric span{display:block}.metric strong{font-size:22px}.metric span{color:#bfb2ac;font:600 9px ui-sans-serif,system-ui;text-transform:uppercase;letter-spacing:.08em}.demo-guide{padding:21px;border:1px solid #ffffff25;border-radius:18px;background:#ffffff0d;backdrop-filter:blur(10px)}.demo-guide>div{display:flex;justify-content:space-between;color:#d5c8c1;font:700 9px ui-sans-serif,system-ui;text-transform:uppercase;letter-spacing:.08em}.demo-guide h2{margin:27px 0 7px;font-size:19px}.demo-guide p{min-height:42px;margin:0;color:#c5b8b2;font:12px/1.5 ui-sans-serif,system-ui}.demo-guide button{margin-top:18px;width:100%}
.primary-button,.dark-button,.quiet-button,.commit-button{border:0;border-radius:10px;padding:10px 14px;cursor:pointer;font:800 11px ui-sans-serif,system-ui}.primary-button{color:white;background:var(--wine);box-shadow:0 8px 24px #8b3f4e40}.dark-button,.commit-button{color:white;background:var(--ink)}.quiet-button{border:1px solid var(--line);background:#fffaf4b8}.commit-button:disabled{opacity:.35;cursor:not-allowed}
.branch-bar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;margin:18px 0;padding:13px 15px;border:1px solid var(--line);border-radius:15px;background:#fffaf4b5}.branch-bar.active{border-color:#c79ba5;background:var(--wine-soft)}.branch-bar.merged{border-color:#a9c4b5;background:var(--sage-soft)}.branch-symbol{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:white;font-size:20px}.branch-bar small,.branch-bar strong,.branch-bar p{display:block}.branch-bar small{color:var(--wine);font:800 9px ui-sans-serif,system-ui;text-transform:uppercase;letter-spacing:.1em}.branch-bar strong{margin-top:2px;font-size:14px}.branch-bar p{margin:2px 0 0;color:var(--muted);font:10px ui-sans-serif,system-ui}.branch-actions{display:flex;gap:7px}
.workspace{display:grid;grid-template-columns:1fr 280px;gap:18px;align-items:start}.floor-shell,.activity-shell{border:1px solid var(--line);border-radius:21px;background:rgba(255,250,244,.88)}.floor-shell{padding:19px}.activity-shell{padding:18px 16px;position:sticky;top:94px;max-height:calc(100vh - 115px);overflow:hidden}.section-title{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:16px}.section-title h2{margin:0;font-size:20px}.legend{display:flex;gap:13px;color:var(--muted);font:600 9px ui-sans-serif,system-ui}.legend span{display:flex;align-items:center;gap:5px}.legend i{width:9px;height:9px;border-radius:50%;background:white;border:1px solid var(--line)}.legend i.proposal{border:2px dashed var(--wine);background:var(--wine-soft)}
.floor-plan{position:relative;min-height:640px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-areas:"head head head" "family garden college" ". terrace .";gap:18px;padding:28px;border:1px solid #dfd1c2;border-radius:18px;background:linear-gradient(90deg,#ffffff6b 1px,transparent 1px),linear-gradient(#ffffff6b 1px,transparent 1px),#e9ded1;background-size:25px 25px}.floor-plan:before{content:"DANCE FLOOR";position:absolute;left:24px;bottom:25px;padding:13px 24px;border:1px solid #bca68d;border-radius:4px;color:#917a62;background:#f6eadb;font:800 8px ui-sans-serif,system-ui;letter-spacing:.16em}.table{min-width:0;padding:15px;border:1px solid #cebca8;border-radius:50px;background:rgba(255,250,244,.9);box-shadow:0 12px 30px #5b43251a}.table[data-table="head"]{grid-area:head;width:66%;justify-self:center}.table[data-table="family"]{grid-area:family}.table[data-table="garden"]{grid-area:garden}.table[data-table="college"]{grid-area:college}.table[data-table="terrace"]{grid-area:terrace}.table.over{outline:3px solid #8b3f4e40}.table-header{text-align:center;margin-bottom:10px}.table-header h3{margin:0;font-size:15px}.table-header p{margin:2px 0;color:var(--muted);font:9px ui-sans-serif,system-ui}.table-header span{display:inline-block;margin-top:5px;padding:3px 7px;border-radius:999px;color:var(--sage);background:var(--sage-soft);font:800 8px ui-sans-serif,system-ui}.guest-list{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;min-height:62px}.guest{position:relative;border:1px solid var(--line);border-radius:999px;padding:7px 10px;color:var(--ink);background:white;cursor:pointer;font:700 9px ui-sans-serif,system-ui}.guest:hover{transform:translateY(-1px)}.guest.locked:after{content:"⌁";margin-left:5px;color:var(--gold)}.guest.has-proposal{border:1.5px dashed var(--wine);background:var(--wine-soft)}.guest.ghost{opacity:.7;border:1.5px dashed var(--wine);background:var(--wine-soft);cursor:default}.guest small{display:block;margin-top:2px;color:var(--wine);font-size:7px}.capacity-warning{color:#9c403b!important;background:#f7ded9!important}
.activity-count{width:27px;height:27px;display:grid;place-items:center;border-radius:50%;background:#ebe1d7;font:800 10px ui-sans-serif,system-ui}.activity-shell ol{list-style:none;margin:0;padding:0;max-height:calc(100vh - 190px);overflow:auto}.activity-item{display:grid;grid-template-columns:12px 1fr;gap:8px;padding-bottom:16px}.activity-item i{width:8px;height:8px;margin-top:4px;border-radius:50%;background:var(--sage)}.activity-item.human i{background:var(--blue)}.activity-item.agent i{background:var(--wine)}.activity-item strong{display:block;font:750 10px/1.3 ui-sans-serif,system-ui}.activity-item p{margin:3px 0;color:var(--muted);font:9px/1.4 ui-sans-serif,system-ui}.activity-item time{float:right;color:#aaa;font:8px ui-sans-serif,system-ui}
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;background:#211b18aa;backdrop-filter:blur(6px)}.modal-card{width:min(540px,100%);padding:23px;border-radius:20px;background:var(--panel);box-shadow:0 25px 80px #26170f38}.modal-card header,.merge-drawer>header{display:flex;justify-content:space-between;align-items:flex-start}.modal-card h2,.merge-drawer h2{margin:0;font-size:26px}.icon-button{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;background:white;cursor:pointer;font-size:19px}.modal-card label{display:grid;gap:6px;margin-top:14px;color:var(--muted);font:700 10px ui-sans-serif,system-ui}.modal-card input,.modal-card select,.modal-card textarea{width:100%;padding:11px;border:1px solid var(--line);border-radius:9px;background:white;color:var(--ink)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.modal-card label.checkbox{display:flex;align-items:center}.modal-card label.checkbox input{width:auto}.modal-card footer{display:flex;justify-content:flex-end;gap:8px;margin-top:19px}
.merge-overlay{position:fixed;inset:0;z-index:60}.scrim{position:absolute;inset:0;width:100%;border:0;background:#211b18a8;backdrop-filter:blur(5px)}.merge-drawer{position:absolute;right:0;top:0;bottom:0;width:min(680px,100%);display:flex;flex-direction:column;background:var(--panel);box-shadow:-25px 0 80px #26170f38}.merge-drawer>header{padding:24px 27px 17px;border-bottom:1px solid var(--line)}.merge-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:14px 27px;border-bottom:1px solid var(--line)}.merge-stat{padding:11px;border-radius:10px;background:#eee5dc}.merge-stat strong,.merge-stat span{display:block}.merge-stat strong{font-size:22px}.merge-stat span{color:var(--muted);font:700 9px ui-sans-serif,system-ui}.merge-stat.safe{background:var(--sage-soft)}.merge-stat.conflict{background:var(--wine-soft)}.merge-content{flex:1;overflow:auto;padding:5px 27px 120px}.merge-content section{margin-top:22px}.merge-section-title{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}.merge-section-title h3{margin:0;font-size:15px}.merge-section-title span{color:var(--muted);font:9px ui-sans-serif,system-ui}.safe-list{display:grid;grid-template-columns:1fr 1fr;gap:7px}.safe-item{padding:9px;border:1px solid #c9ddd1;border-radius:9px;background:#f3f8f4}.safe-item strong{display:block;font:750 10px ui-sans-serif,system-ui}.safe-item span{color:var(--muted);font:8px ui-sans-serif,system-ui}.conflict-list{display:grid;gap:10px}.conflict-card{padding:14px;border:1px solid #deb1b9;border-radius:13px;background:#fff8f8}.conflict-card.resolved{border-color:#b8d2c3;background:#f6faf7}.conflict-card h4{margin:0 0 3px;font-size:14px}.conflict-card>p{margin:0;color:var(--muted);font:9px/1.4 ui-sans-serif,system-ui}.base{margin:10px 0 7px;padding:7px;border-radius:7px;background:#eee8e0;font:9px ui-sans-serif,system-ui}.choices{display:grid;grid-template-columns:1fr 1fr;gap:7px}.choice{padding:10px;border:1px solid var(--line);border-radius:9px;background:white;text-align:left;cursor:pointer}.choice span,.choice strong{display:block}.choice span{color:var(--muted);font:800 8px ui-sans-serif,system-ui;text-transform:uppercase;letter-spacing:.08em}.choice strong{margin-top:3px;font:750 11px ui-sans-serif,system-ui}.choice.selected{border-color:var(--sage);box-shadow:inset 0 0 0 1px var(--sage);background:var(--sage-soft)}.impact{margin-top:8px!important;color:var(--wine)!important}.merge-drawer>footer{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:17px 27px;border-top:1px solid var(--line);background:#fffaf4ed;backdrop-filter:blur(12px)}.merge-drawer>footer strong,.merge-drawer>footer span{display:block}.merge-drawer>footer strong{font:800 11px ui-sans-serif,system-ui}.merge-drawer>footer span{margin-top:3px;color:var(--muted);font:8px ui-sans-serif,system-ui}
.toasts{position:fixed;right:22px;bottom:22px;z-index:80;display:grid;gap:8px}.toast{width:min(360px,calc(100vw - 44px));padding:13px 15px;border-radius:12px;color:white;background:var(--ink);box-shadow:0 15px 45px #28191135;font:10px/1.4 ui-sans-serif,system-ui}.toast strong{display:block;font-size:11px}.toast p{margin:3px 0 0;color:#d8cec8}
@media(max-width:1050px){.workspace{grid-template-columns:1fr}.activity-shell{position:static;max-height:340px}.activity-shell ol{max-height:240px}.floor-plan{grid-template-columns:1fr 1fr;grid-template-areas:"head head" "family garden" "college terrace"}.table[data-table="head"]{width:80%}}
@media(max-width:760px){.topbar{height:auto;min-height:72px;padding:12px 16px;flex-wrap:wrap}nav{order:3;width:100%;justify-content:center}.header-meta>span:not(.tool-status){display:none}main{padding:16px 12px 36px}.hero{grid-template-columns:1fr;padding:27px 21px}.hero h1{font-size:42px}.branch-bar{grid-template-columns:auto 1fr}.branch-actions{grid-column:1/-1}.floor-plan{grid-template-columns:1fr;grid-template-areas:"head" "family" "garden" "college" "terrace";padding:15px}.table[data-table="head"]{width:100%}.safe-list,.choices{grid-template-columns:1fr}.merge-drawer>footer{align-items:stretch;flex-direction:column}.commit-button{width:100%}.form-grid{grid-template-columns:1fr}}