:root{
 --font:Verdana,Geneva,sans-serif;
 font-family:var(--font);font-size:14px;
 --bg-app:#ffffff;--bg-panel:#ffffff;--bg-soft:#f7f8f9;--bg-hover:#eef2f5;--bg-tab:#f2f3f4;--bg-tab-active:#e7e9eb;
 --border:#d9dce0;--border-subtle:#e9eaeb;--text-main:#202328;--text-dim:#747981;--text-id:#58606b;
 --accent-fox:#d9531e;--accent-fox-bg:#fff6ee;--accent-fox-border:#f59e0b;
 --accent-berry:#c01540;--accent-berry-bg:#fff0f3;--accent-berry-border:#fb7185;
 --green:#187f53;--green-bg:#f0fdf4;--green-border:#16a34a;
 --red:#b52b3a;--red-bg:#fbebeb;
 --code-bg:#eff0f1;--input-bg:#ffffff;
 color:var(--text-main);background:var(--bg-app);
}

[data-theme="dark"]{
 --bg-app:#121418;--bg-panel:#191c23;--bg-soft:#21252f;--bg-hover:#282d39;--bg-tab:#1e222a;--bg-tab-active:#2c3240;
 --border:#313745;--border-subtle:#262b37;--text-main:#e3e6ec;--text-dim:#949aa6;--text-id:#878f9f;
 --accent-fox:#fb923c;--accent-fox-bg:#331b0e;--accent-fox-border:#ea580c;
 --accent-berry:#fb7185;--accent-berry-bg:#341119;--accent-berry-border:#f43f5e;
 --green:#34d399;--green-bg:#0e281b;--green-border:#059669;
 --red:#f87171;--red-bg:#361517;
 --code-bg:#232733;--input-bg:#1a1d25;
 color:var(--text-main);background:var(--bg-app);
}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg-app);color:var(--text-main)}
body{line-height:1.48}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:var(--bg-tab);border:1px solid var(--border);border-radius:0;padding:8px 12px;color:var(--text-main)}
button:hover{background:var(--bg-hover)}
button:disabled{opacity:.4;cursor:not-allowed}
input,select,textarea{background:var(--input-bg);border:1px solid var(--border);border-radius:0;padding:8px;min-width:0;color:var(--text-main)}
input:focus,select:focus,textarea:focus,button:focus-visible{outline:2px solid var(--accent-fox);outline-offset:1px}
textarea{width:100%;min-height:110px;resize:vertical}
a{color:var(--accent-fox);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4,p{margin:0 0 12px}
h1{font-size:22px;line-height:1.3}
h2{font-size:18px}
h3{font-size:15px}
h4{font-size:14px}
small,.muted{color:var(--text-dim)}

.shell{max-width:1390px;margin:auto;padding:24px 38px 16px;min-height:100vh}
.top{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;margin-bottom:20px}
.brand{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:bold;letter-spacing:1px;white-space:nowrap}
.brand-text{color:var(--text-main)}
.fox-logo{display:inline-flex;align-items:center;color:var(--accent-fox);filter:drop-shadow(0 1px 2px rgba(230,81,0,0.25))}
.sweetberry-brand{display:inline-flex;align-items:center;color:var(--accent-berry);margin-left:1px}
.brand select{max-width:170px;font-weight:normal;letter-spacing:0;border:0;padding:3px;background:transparent;color:var(--text-main)}

.tabs{display:flex}
.tabs button{min-width:128px;background:var(--bg-tab);padding:9px 18px;border-right:0;border-color:var(--border)}
.tabs button:last-child{border-right:1px solid var(--border)}
.tabs button.active{background:var(--bg-tab-active);border-bottom:2px solid var(--accent-fox);font-weight:bold}

.top-actions{display:flex;align-items:center;justify-self:end;gap:9px}
.gear{width:37px;height:37px;font-size:21px;background:var(--bg-tab);padding:0;display:flex;align-items:center;justify-content:center}

.inbox-wrapper{position:relative}
.inbox-btn{position:relative;width:37px;height:37px;font-size:17px;background:var(--bg-tab);padding:0;display:flex;align-items:center;justify-content:center}
.inbox-badge{position:absolute;top:-5px;right:-5px;background:var(--accent-berry);color:#fff;font-size:10px;font-weight:bold;border-radius:10px;padding:1px 5px;min-width:16px;text-align:center;line-height:14px;box-shadow:0 1px 3px rgba(0,0,0,0.3)}
.inbox-dropdown{position:absolute;right:0;top:44px;width:370px;max-width:calc(100vw - 24px);max-height:490px;background:var(--bg-panel);border:1px solid var(--border);box-shadow:0 12px 36px rgba(0,0,0,0.25);z-index:1000;display:flex;flex-direction:column;overflow:hidden}
.inbox-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--bg-soft);border-bottom:1px solid var(--border);font-size:13px;font-weight:bold}
.inbox-clear-btn{font-size:11px;padding:3px 8px;background:var(--bg-panel);border:1px solid var(--border)}
.inbox-list{overflow-y:auto;max-height:430px}
.inbox-item{padding:10px 13px;border-bottom:1px solid var(--border-subtle);cursor:pointer;display:flex;flex-direction:column;gap:4px;font-size:12px;transition:background .15s}
.inbox-item:hover{background:var(--bg-hover)}
.inbox-item.unread{background:var(--accent-fox-bg);font-weight:500}
.inbox-item-header{display:flex;align-items:center;justify-content:space-between;gap:6px}
.inbox-tag{font-size:10px;font-weight:bold;padding:1px 5px;border-radius:2px}
.inbox-tag.change{background:var(--accent-fox-bg);color:var(--accent-fox);border:1px solid var(--accent-fox-border)}
.inbox-tag.completion{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border)}
.inbox-tag.question{background:rgba(59,130,246,0.15);color:#3b82f6;border:1px solid rgba(59,130,246,0.3)}
.inbox-tag.sync{background:rgba(168,85,247,0.15);color:#a855f7;border:1px solid rgba(168,85,247,0.3)}
.inbox-tag.chat{background:rgba(99,102,241,0.15);color:#818cf8;border:1px solid rgba(99,102,241,0.3)}
.inbox-time{font-size:10px;color:var(--text-dim)}
.inbox-text{font-size:12px;line-height:1.35;color:var(--text-main);overflow-wrap:anywhere}
.inbox-counter{display:inline-block;background:var(--accent-fox-bg);color:var(--accent-fox);border:1px solid var(--accent-fox-border);font-size:10px;font-weight:bold;padding:0 5px;border-radius:3px}
.inbox-empty{padding:25px;text-align:center;color:var(--text-dim);font-size:12px}

.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:11px;min-height:42px;margin-bottom:17px}
.toolbar label{font-size:12px;display:flex;align-items:center;gap:6px;color:var(--text-dim)}
.toolbar select{padding:6px 8px;max-width:160px}
.toolbar input{flex:1;max-width:280px;padding:7px 9px}
.spacer{flex:1}
.action{background:var(--accent-fox-bg);border-color:var(--accent-fox-border);color:var(--accent-fox);font-weight:bold}
.action:hover{background:var(--accent-fox);color:#fff}

.main-grid{display:grid;grid-template-columns:275px minmax(0,1fr) 230px;gap:16px;align-items:start}
.panel{border:1px solid var(--border);min-width:0;background:var(--bg-panel)}
.panel-head{display:flex;align-items:center;justify-content:space-between;background:var(--bg-soft);padding:10px 12px;border-bottom:1px solid var(--border);font-size:13px;font-weight:bold;gap:8px}
.panel-head button{padding:2px 6px}

.issue-list{max-height:calc(100vh - 170px);min-height:400px;overflow:auto}
.issue-row{padding:12px 13px;border-bottom:1px solid var(--border-subtle);cursor:pointer}
.issue-row:hover,.issue-row.selected{background:var(--bg-hover)}
.issue-row .id{font-size:12px;color:var(--text-id)}
.issue-row .name{font-weight:bold;font-size:13px;line-height:1.4;margin:5px 0 9px}
.issue-row .meta{display:flex;flex-wrap:wrap;align-items:center;gap:5px}

.issue-row.status-changed{background:var(--accent-fox-bg);border-left:4px solid var(--accent-fox-border)}
.issue-row.status-changed:hover{background:var(--bg-hover)}
.issue-row.completed-unseen{background:var(--green-bg);border-left:4px solid var(--green-border)}
.issue-row.completed-unseen:hover{background:var(--bg-hover)}

.chip{display:inline-flex;align-items:center;gap:3px;padding:2px 6px;background:var(--bg-soft);border:1px solid var(--border);color:var(--text-dim);font-size:11px;white-space:nowrap}
.chip.p1{color:var(--red);background:var(--red-bg);border-color:var(--red)}
.chip.p2{color:var(--accent-fox);background:var(--accent-fox-bg);border-color:var(--accent-fox-border)}
.chip.open{color:var(--green);background:var(--green-bg);border-color:var(--green-border)}
.chip.blocked{color:var(--red);background:var(--red-bg);border-color:var(--red)}
.chip.closed{color:var(--text-dim);background:var(--bg-tab)}
.chip.changed{background:var(--accent-fox-bg);color:var(--accent-fox);border:1px solid var(--accent-fox-border);font-weight:bold}
.chip.unseen{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border);font-weight:bold}
.sweetberry-chip-icon{display:inline-flex;color:var(--accent-berry);vertical-align:middle}

.detail{padding:16px 18px;min-height:500px}
.detail-top{display:flex;align-items:start;justify-content:space-between;gap:12px}
.detail-top h1{margin-top:5px}
.idline{font-size:13px;color:var(--text-id)}
.metadata{display:grid;grid-template-columns:1fr 1fr;gap:9px 16px;padding:13px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:14px 0}
.kv{display:grid;grid-template-columns:110px 1fr;gap:10px;align-items:start;font-size:12px}
.kv .key{color:var(--text-dim)}
.kv .value{overflow-wrap:anywhere}
.section-title{margin:20px 0 10px;padding-bottom:7px;border-bottom:1px solid var(--border)}

.markdown{font-size:13px;overflow-wrap:anywhere}
.markdown p{margin:9px 0}
.markdown h1,.markdown h2{font-size:17px;margin-top:18px}
.markdown h3{font-size:15px;margin-top:15px}
.markdown ul,.markdown ol{padding-left:25px}
.markdown pre,.diff{border:1px solid var(--border);background:var(--bg-soft);padding:12px;overflow:auto;white-space:pre-wrap;word-break:break-word;font:12px/1.6 ui-monospace,Consolas,monospace;color:var(--text-main)}
.markdown code{font:12px ui-monospace,Consolas,monospace;background:var(--code-bg);padding:2px;color:var(--text-main)}
.markdown pre code{background:none;padding:0}

.comment{padding:12px 0;border-top:1px solid var(--border-subtle)}
.comment-head{display:flex;gap:9px;flex-wrap:wrap;align-items:center;font-size:12px;margin-bottom:7px}
.comment p{white-space:pre-wrap;font-size:12px;margin:0}
.tag-ai{background:rgba(99,102,241,0.15);color:#818cf8;border:1px solid rgba(99,102,241,0.3)}
.tag-human{background:var(--bg-soft);color:var(--text-dim);border:1px solid var(--border)}

.comment-compose{padding-top:13px;border-top:1px solid var(--border)}
.comment-compose .row{margin-top:8px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row input{flex:1}

.right-panel{margin-bottom:12px}
.right-panel .body{padding:10px 12px}
.file{border-bottom:1px solid var(--border-subtle);padding:10px 2px;font:12px/1.5 ui-monospace,Consolas,monospace;overflow-wrap:anywhere}
.file:last-child{border-bottom:0}
.file button{font:11px Verdana,sans-serif;padding:3px 5px;margin-top:4px}
.fold{border:0;background:none;padding:0 3px}
.collapse{display:none}
.quiet{color:var(--text-dim);font-size:12px}

.question-card,.commit-card{border-bottom:1px solid var(--border);padding:16px 14px}
.question-card:last-child,.commit-card:last-child{border:0}
.question-card h3{margin-bottom:8px}
.question-grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:16px}
.question-input{padding:15px}
.question-input textarea{min-height:70px}
.question-list{min-height:200px}
.timeline{border-left:2px solid var(--border);margin:14px 0 14px 15px}
.commit-card{position:relative;cursor:pointer}
.commit-card:before{content:'';position:absolute;background:var(--text-dim);border:3px solid var(--bg-app);width:10px;height:10px;left:-23px;top:20px;border-radius:50%}
.commit-card.selected{background:var(--bg-hover)}
.commit-header{display:flex;justify-content:space-between;gap:8px}
.hash{font-family:ui-monospace,monospace;color:var(--accent-fox)}
.plus{color:var(--green);font-weight:bold}
.minus{color:var(--red);font-weight:bold}
.commit-files{margin:10px 0}
.commit-file{padding:7px 0;border-bottom:1px solid var(--border-subtle);font-size:12px;overflow-wrap:anywhere}

.smallbtn{font-size:12px;padding:5px 8px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.field{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--text-dim)}
.full{grid-column:1 / -1}
.field input,.field select{width:100%}

dialog{border:1px solid var(--border);background:var(--bg-panel);color:var(--text-main);box-shadow:0 18px 55px rgba(0,0,0,0.3);border-radius:0;max-width:min(590px,calc(100vw - 24px));width:100%;padding:24px;max-height:90vh;overflow:auto}
dialog::backdrop{background:rgba(0,0,0,0.6)}
.modal-head{display:flex;align-items:start;justify-content:space-between;border-bottom:1px solid var(--border);margin-bottom:18px}
.modal-head h2{margin-bottom:16px}
.icon{border:0;background:transparent;font-size:23px;line-height:1;padding:0;color:var(--text-main)}
.modal-actions{margin-top:16px;display:flex;gap:10px;justify-content:end}

.notice{padding:11px;background:var(--bg-soft);border-left:3px solid var(--accent-fox);margin:12px 0;font-size:12px}
.error{color:var(--red)}
.ok{color:var(--green)}
.connection{padding:12px 0;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:8px}
.connection .quiet{overflow-wrap:anywhere}
footer{margin-top:24px;text-align:center;font-size:11px;color:var(--text-dim)}
#message{color:var(--accent-fox)}
.wide-panel{border:1px solid var(--border);padding:17px;min-height:220px;background:var(--bg-panel)}
.empty{padding:30px;text-align:center;color:var(--text-dim)}
.switch{display:flex;gap:0}
.switch button.active{background:var(--bg-tab-active);font-weight:bold;border-color:var(--accent-fox)}
.clickable{cursor:pointer}
.collapsed-note{font-size:12px;color:var(--text-dim)}
.hidden{display:none !important}

.chat-container{display:flex;flex-direction:column;border:1px solid var(--border);background:var(--bg-panel);height:calc(100vh - 190px);min-height:480px}
.chat-head{display:flex;align-items:center;justify-content:space-between;padding:11px 16px;background:var(--bg-soft);border-bottom:1px solid var(--border);font-size:13px;font-weight:bold}
.chat-stream{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.chat-bubble{max-width:85%;padding:10px 14px;border-radius:6px;font-size:13px;display:flex;flex-direction:column;gap:4px;word-break:break-word}
.chat-bubble.human{align-self:flex-end;background:var(--bg-soft);border:1px solid var(--border)}
.chat-bubble.ai{align-self:flex-start;background:var(--accent-fox-bg);border:1px solid var(--accent-fox-border)}
.chat-bubble.system{align-self:center;max-width:95%;background:var(--bg-soft);border:1px dashed var(--border);width:100%}
.chat-bubble-meta{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--text-dim)}
.chat-reply-quote{font-size:11px;border-left:2px solid var(--accent-fox);padding:2px 6px;color:var(--text-dim);margin-bottom:4px;background:rgba(0,0,0,0.03)}
.chat-bubble-body{white-space:pre-wrap;line-height:1.45}
.chat-embed-card{background:var(--bg-panel);border:1px solid var(--border);padding:10px 12px;border-radius:4px;margin:4px 0;display:flex;justify-content:space-between;align-items:center;gap:12px}
.chat-embed-title{font-weight:bold;font-size:13px}
.chat-embed-btn{font-size:11px;padding:3px 8px;background:var(--accent-fox-bg);border:1px solid var(--accent-fox-border);color:var(--accent-fox);font-weight:bold;cursor:pointer}
.chat-reactions{display:flex;gap:4px;flex-wrap:wrap;align-items:center;margin-top:4px}
.chat-reaction-chip{display:inline-flex;align-items:center;gap:3px;font-size:11px;padding:1px 6px;border-radius:10px;background:var(--bg-panel);border:1px solid var(--border);cursor:pointer}
.chat-reaction-chip:hover{background:var(--bg-hover)}
.chat-react-actions{display:inline-flex;gap:2px}
.chat-react-btn{border:0;background:transparent;font-size:12px;padding:2px 4px;cursor:pointer;opacity:0.65}
.chat-react-btn:hover{opacity:1;transform:scale(1.2)}
.chat-reply-btn{border:0;background:transparent;font-size:11px;color:var(--accent-fox);cursor:pointer;padding:2px 5px}
.chat-reply-btn:hover{text-decoration:underline}
.chat-compose{border-top:1px solid var(--border);padding:10px 14px;background:var(--bg-soft);display:flex;flex-direction:column;gap:8px}
.chat-reply-banner{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--text-dim);background:var(--bg-panel);padding:4px 8px;border:1px solid var(--border)}
.chat-compose-row{display:flex;gap:8px;align-items:center}
.chat-compose-row input[name="body"]{flex:1}

/* --- Feature Tree & Verification Styling --- */
.features-full-container{display:flex;flex-direction:column;gap:16px;width:100%}
.features-summary-banner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:14px 20px}
.features-stats-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.f-stat-card{display:flex;flex-direction:column;gap:3px}
.f-stat-val{font-size:20px;font-weight:bold;color:var(--text-main)}
.f-stat-card.passed .f-stat-val{color:#22c55e}
.f-stat-card.failed .f-stat-val{color:#ef4444}
.f-stat-card.untested .f-stat-val{color:var(--text-dim)}
.f-stat-lbl{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.5px}
.f-summary-actions{display:flex;align-items:center;gap:10px}

.features-panel-wide{border-radius:8px;background:var(--bg-panel);border:1px solid var(--border);overflow:hidden}
.feature-tree{overflow:visible;padding:4px 0}
.tree-node{display:flex;flex-direction:column;position:relative}
.tree-node-row{display:flex;align-items:center;padding:10px 16px;border-bottom:1px solid var(--border-subtle);cursor:pointer;gap:12px;transition:background .15s}
.tree-node-row:hover{background:var(--bg-hover)}
.tree-node-row.selected{background:var(--bg-hover);border-left:4px solid var(--accent-fox)}
.tree-expander{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:0;cursor:pointer;padding:0;color:var(--text-dim);font-size:13px;flex-shrink:0}
.tree-expander:hover{color:var(--text-main)}
.tree-node-title{font-weight:600;font-size:14px;color:var(--text-main);white-space:nowrap}
.tree-node-chips{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.feature-test-pill{font-size:11px;background:var(--bg-soft);padding:3px 8px;border-radius:4px;border:1px solid var(--border-subtle);color:var(--text-dim);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.feature-test-pill code{font-family:ui-monospace,Menlo,monospace;font-size:11px}
.tree-node-row-actions{margin-left:auto;display:flex;align-items:center;gap:6px}
.tree-children{display:flex;flex-direction:column;padding-left:20px;border-left:1px dashed var(--border-subtle);margin-left:16px}

/* Floating Hover Popover */
.feature-hover-popover{position:fixed;z-index:99999;background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:12px 16px;box-shadow:0 12px 32px rgba(0,0,0,0.38);width:340px;pointer-events:none;display:none;font-size:12px;line-height:1.45}
.feature-hover-popover.visible{display:flex;flex-direction:column;gap:7px}
.f-hover-header{display:flex;align-items:center;justify-content:space-between;gap:8px;font-weight:bold;font-size:13px;border-bottom:1px solid var(--border-subtle);padding-bottom:6px}
.f-hover-desc{color:var(--text-dim);max-height:65px;overflow:hidden;text-overflow:ellipsis}
.f-hover-meta{display:flex;flex-direction:column;gap:3px;font-size:11px;background:var(--bg-soft);padding:6px 8px;border-radius:4px}
.f-hover-footer{font-size:11px;color:var(--accent-fox);font-weight:600;margin-top:2px;text-align:right}

/* Full Width Detail View & Top Breadcrumbs */
.feature-detail-nav{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:10px 18px;margin-bottom:16px}
.feature-breadcrumbs{display:flex;align-items:center;gap:8px;font-size:13px;flex:1}
.feature-breadcrumbs a{color:var(--accent-fox);font-weight:600;text-decoration:none}
.feature-breadcrumbs a:hover{text-decoration:underline}
.feature-breadcrumbs .current{font-weight:bold;color:var(--text-main)}
.feature-breadcrumbs .sep{color:var(--text-dim)}
.back-btn{display:inline-flex;align-items:center;gap:4px;font-weight:bold}
.feature-detail-full{width:100%;border-radius:8px;padding:24px;background:var(--bg-panel);border:1px solid var(--border)}

/* Blocked feature highlighting */
.tree-node-row.is-blocked{background:rgba(239,68,68,0.06);border-left:4px solid #ef4444}
.tree-node-row.is-blocked:hover{background:rgba(239,68,68,0.1)}
.chip-blocked{background:rgba(239,68,68,0.15);color:#ef4444;border:1px solid rgba(239,68,68,0.4);font-weight:700}
.chip-solutions{background:rgba(245,158,11,0.15);color:#f59e0b;border:1px solid rgba(245,158,11,0.4);font-weight:700}

/* Tree Proposed Solutions */
.tree-solutions-card{margin:6px 16px 10px 0;padding:10px 14px;background:var(--bg-soft);border:1px solid var(--border);border-left:3px solid #f59e0b;border-radius:6px;display:flex;flex-direction:column;gap:8px}
.tree-solutions-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px}
.tree-solutions-title{display:flex;align-items:center;gap:6px;color:var(--text-main)}
.tree-solutions-list{display:flex;flex-direction:column;gap:8px}
.tree-solution-item{background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:6px;padding:9px 12px;display:flex;flex-direction:column;gap:4px;font-size:12px;transition:border-color .15s}
.tree-solution-item.proposed{border-color:rgba(245,158,11,0.45);background:rgba(245,158,11,0.03)}
.tree-solution-item.accepted{border-color:rgba(34,197,94,0.4);background:rgba(34,197,94,0.03)}
.tree-solution-item.rejected{border-color:rgba(239,68,68,0.3);opacity:0.75}

.tree-sol-top{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.tree-sol-title-wrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tree-sol-title{font-size:13px;color:var(--text-main)}
.tree-sol-actions{display:flex;align-items:center;gap:6px}

.btn-sol-accept{background:#22c55e!important;color:#fff!important;border:none!important;font-weight:bold;cursor:pointer}
.btn-sol-accept:hover{background:#16a34a!important}
.btn-sol-reject{background:#ef4444!important;color:#fff!important;border:none!important;font-weight:bold;cursor:pointer}
.btn-sol-reject:hover{background:#dc2626!important}

.chip-sol{border-radius:4px;padding:2px 6px;font-size:10px;font-weight:bold;text-transform:uppercase}
.chip-sol.proposed{background:rgba(245,158,11,0.2);color:#f59e0b}
.chip-sol.accepted{background:rgba(34,197,94,0.2);color:#22c55e}
.chip-sol.rejected{background:rgba(239,68,68,0.2);color:#ef4444}

.tree-sol-desc{color:var(--text-dim);line-height:1.45;margin-top:2px}
.tree-sol-cmd{background:#030712;padding:4px 8px;border-radius:4px;font-family:ui-monospace,Menlo,monospace;font-size:11px;color:#a7f3d0;width:fit-content;max-width:100%;overflow-x:auto}
.tree-sol-note{font-size:11px;color:var(--text-dim);background:var(--bg-soft);padding:3px 8px;border-radius:4px;border-left:2px solid var(--accent-fox)}
.tree-sol-empty{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:rgba(245,158,11,0.08);border:1px dashed rgba(245,158,11,0.3);border-radius:6px;font-size:12px;color:var(--text-main);gap:8px}

.feature-solutions-panel{background:var(--bg-soft);border:1px solid var(--border);border-radius:6px;padding:14px;margin-top:10px;display:flex;flex-direction:column;gap:10px}
.feature-solutions-panel.is-blocked{border-color:rgba(239,68,68,0.4);background:rgba(239,68,68,0.03)}
.feature-solutions-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* Login Screen & Animated Backdrop */
body.unauthenticated .shell { display: none !important; }
body:not(.unauthenticated) #login-screen { display: none !important; }

.login-screen {
 position: fixed;
 inset: 0;
 width: 100vw;
 height: 100vh;
 display: flex;
 align-items: center;
 justify-content: center;
 overflow: hidden;
 background: radial-gradient(circle at 50% 35%, #1e293b 0%, #0f172a 60%, #020617 100%);
 z-index: 9999;
}

[data-theme="light"] .login-screen {
 background: radial-gradient(circle at 50% 35%, #e2e8f0 0%, #cbd5e1 60%, #94a3b8 100%);
}

.login-bg-scene {
 position: absolute;
 inset: -15%;
 width: 130%;
 height: 130%;
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 28px;
 pointer-events: none;
 user-select: none;
 opacity: 0.38;
 overflow: hidden;
 filter: blur(0.5px);
}

.bg-filler-column {
 display: flex;
 flex-direction: column;
 gap: 24px;
}

.bg-filler-column.col-1 { animation: floatCol1 26s ease-in-out infinite alternate; }
.bg-filler-column.col-2 { animation: floatCol2 32s ease-in-out infinite alternate; }
.bg-filler-column.col-3 { animation: floatCol3 28s ease-in-out infinite alternate; }

@keyframes floatCol1 {
 0% { transform: translateY(0px) rotate(-1deg); }
 100% { transform: translateY(-70px) rotate(1deg); }
}

@keyframes floatCol2 {
 0% { transform: translateY(-50px) rotate(1deg); }
 100% { transform: translateY(50px) rotate(-1deg); }
}

@keyframes floatCol3 {
 0% { transform: translateY(30px) rotate(-0.5deg); }
 100% { transform: translateY(-60px) rotate(0.5deg); }
}

.filler-form {
 background: rgba(15, 23, 42, 0.45);
 border: 1px solid rgba(255, 255, 255, 0.08);
 backdrop-filter: blur(8px);
 -webkit-backdrop-filter: blur(8px);
 border-radius: 10px;
 padding: 16px 18px;
 box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
 color: var(--text-dim, #94a3b8);
 font-size: 12px;
}

[data-theme="light"] .filler-form {
 background: rgba(255, 255, 255, 0.5);
 border-color: rgba(0, 0, 0, 0.08);
 color: #475569;
}

.filler-head {
 display: flex;
 justify-content: space-between;
 align-items: center;
 margin-bottom: 10px;
}

.filler-badge {
 font-size: 10px;
 font-weight: 700;
 text-transform: uppercase;
 letter-spacing: 0.5px;
 padding: 2px 6px;
 border-radius: 4px;
 background: rgba(255, 255, 255, 0.06);
 color: var(--text-dim, #94a3b8);
}

.filler-badge.p1 { background: rgba(239, 68, 68, 0.18); color: #f87171; }
.filler-badge.p2 { background: rgba(245, 158, 11, 0.18); color: #fbbf24; }
.filler-badge.p3 { background: rgba(59, 130, 246, 0.18); color: #60a5fa; }

.filler-status {
 font-size: 10px;
 font-weight: 600;
 letter-spacing: 0.5px;
 color: var(--text-muted, #64748b);
}

.filler-dot {
 width: 6px;
 height: 6px;
 border-radius: 50%;
 background: #22c55e;
 box-shadow: 0 0 6px #22c55e;
}

.filler-title {
 font-weight: 600;
 font-size: 13px;
 color: var(--text-main, #f1f5f9);
 margin-bottom: 8px;
}

[data-theme="light"] .filler-title { color: #1e293b; }

.filler-row {
 display: flex;
 justify-content: space-between;
 margin-bottom: 4px;
}

.filler-val {
 font-family: monospace;
 font-weight: 600;
 color: var(--text-main, #cbd5e1);
}

[data-theme="light"] .filler-val { color: #334155; }

.filler-progress {
 height: 5px;
 background: rgba(255, 255, 255, 0.08);
 border-radius: 3px;
 overflow: hidden;
 margin: 10px 0;
}

.filler-bar {
 height: 100%;
 background: linear-gradient(90deg, #3b82f6, #06b6d4);
 border-radius: 3px;
}

.filler-tag-row {
 display: flex;
 gap: 6px;
 margin-top: 8px;
}

.filler-tag {
 font-size: 10px;
 background: rgba(255, 255, 255, 0.05);
 padding: 2px 6px;
 border-radius: 3px;
 border: 1px solid rgba(255, 255, 255, 0.04);
}

.filler-code {
 font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
 font-size: 11px;
 line-height: 1.4;
 background: rgba(0, 0, 0, 0.25);
 padding: 8px 10px;
 border-radius: 6px;
 border: 1px solid rgba(255, 255, 255, 0.04);
 color: #94a3b8;
}

.filler-field {
 display: flex;
 flex-direction: column;
 gap: 6px;
 margin-bottom: 8px;
}

.filler-input {
 background: rgba(0, 0, 0, 0.2);
 border: 1px solid rgba(255, 255, 255, 0.06);
 padding: 5px 8px;
 border-radius: 4px;
 font-size: 11px;
 color: var(--text-dim, #94a3b8);
}

.filler-chart-mock {
 display: flex;
 align-items: flex-end;
 gap: 6px;
 height: 48px;
 margin-top: 10px;
 padding-top: 6px;
 border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bar-mock {
 flex: 1;
 background: linear-gradient(180deg, #38bdf8, #0284c7);
 border-radius: 2px 2px 0 0;
 opacity: 0.7;
}

.login-foreground {
 position: relative;
 z-index: 20;
 width: 100%;
 max-width: 420px;
 padding: 20px;
}

.login-card {
 width: 100%;
 background: rgba(15, 23, 42, 0.88);
 border: 1px solid rgba(255, 255, 255, 0.12);
 backdrop-filter: blur(20px);
 -webkit-backdrop-filter: blur(20px);
 border-radius: 14px;
 padding: 32px 30px;
 box-shadow: 0 20px 50px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
}

[data-theme="light"] .login-card {
 background: rgba(255, 255, 255, 0.92);
 border-color: rgba(0, 0, 0, 0.1);
 box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:55vh;width:100%;padding:20px}
.login-head{text-align:center;margin-bottom:20px}
.login-head h2{margin:0;font-size:20px;color:var(--text-main)}
.login-error{background:rgba(239,68,68,0.12);border:1px solid rgba(239,68,68,0.4);color:#ef4444;border-radius:6px;padding:8px 12px;font-size:12px;margin-bottom:14px;text-align:center}
.auth-user-wrap{display:flex;align-items:center;gap:6px}
.auth-user-chip{font-size:11px;font-weight:600;color:var(--text-main);background:var(--bg-soft);padding:4px 8px;border-radius:4px;border:1px solid var(--border-subtle)}

.verify-badge{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;flex-shrink:0}
.verify-badge.passed{color:#22c55e}
.verify-badge.failed{color:#ef4444}
.verify-badge.untested{color:var(--text-dim)}
.verify-badge.running{color:#3b82f6}
.verify-svg{width:18px;height:18px;display:block}
.verify-svg.spinning{animation:spin 1s linear infinite}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

.verify-banner{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:6px;margin:12px 0 16px;gap:12px;border:1px solid var(--border)}
.verify-banner.passed{background:rgba(34,197,94,0.08);border-color:rgba(34,197,94,0.3)}
.verify-banner.failed{background:rgba(239,68,68,0.08);border-color:rgba(239,68,68,0.3)}
.verify-banner.untested{background:var(--bg-soft);border-color:var(--border)}
.verify-banner.running{background:rgba(59,130,246,0.08);border-color:rgba(59,130,246,0.3)}
.verify-banner-info{display:flex;align-items:center;gap:12px}
.verify-banner-title{font-weight:bold;font-size:14px}
.verify-banner-sub{font-size:12px;color:var(--text-dim);margin-top:2px}

.test-console{background:#111827;color:#f3f4f6;padding:12px 14px;border-radius:6px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;line-height:1.45;max-height:280px;overflow:auto;white-space:pre-wrap;border:1px solid #374151;margin:10px 0}
[data-theme="dark"] .test-console{background:#030712;border-color:#1f2937}

.relations-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.relation-box{background:var(--bg-soft);border:1px solid var(--border);border-radius:6px;padding:12px;display:flex;flex-direction:column;gap:8px}
.relation-box-head{display:flex;align-items:center;justify-content:space-between;font-weight:bold;font-size:12px;color:var(--text-main)}
.relation-items{display:flex;flex-direction:column;gap:6px;max-height:200px;overflow-y:auto}
.relation-item{display:flex;align-items:center;justify-content:space-between;padding:6px 9px;background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:4px;font-size:12px;gap:8px;cursor:pointer}
.relation-item:hover{background:var(--bg-hover)}
.relation-item-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.feature-chat-stream{max-height:240px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding:4px 0}
.feature-quick-chat{display:flex;gap:6px;margin-top:6px}
.feature-quick-chat input{flex:1;padding:6px 8px;font-size:12px}

.chip.feature{background:rgba(234,88,12,0.15);color:#ea580c;border:1px solid rgba(234,88,12,0.3)}

@media(max-width:1100px){
 .relations-grid{grid-template-columns:1fr}
}

@media(max-width:1100px){
 .shell{padding:16px}
 .main-grid{grid-template-columns:245px minmax(0,1fr)}
 .aside{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:12px}
 .top{grid-template-columns:1fr auto}
 .tabs{grid-column:1/-1;grid-row:2;justify-content:center}
 .top-actions{grid-column:2;grid-row:1}
 .question-grid{grid-template-columns:1fr}
}
@media(max-width:650px){
 .shell{padding:10px}
 .top{gap:8px}
 .main-grid{grid-template-columns:1fr}
 .issue-list{min-height:0;max-height:250px}
 .detail{padding:12px}
 .aside{display:block}
 .tabs button{min-width:0;flex:1;padding:9px}
 .tabs{width:100%}
 .metadata{grid-template-columns:1fr}
 .question-grid{grid-template-columns:1fr}
 .form-grid{grid-template-columns:1fr}
 .toolbar{gap:7px}
 .toolbar label{flex:1}
 .toolbar input{max-width:none}
 .brand select{max-width:125px}
}