:root{--teal:#115e67;--teal-dark:#0c464d;--teal-light:#e5eff0;--ink:#1b2a2c;--muted:#64777a;--line:#e0e8e8;--bg:#f5f8f8;--card:#ffffff;--amber:#b7791f;--radius:12px;--shadow:0 1px 2px rgba(0,0,0,0.04),0 4px 16px rgba(17,94,103,0.06)}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.5}button{font-family:inherit;cursor:pointer}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:flex;align-items:center;gap:14px;padding:12px 20px;background:var(--card);border-bottom:1px solid var(--line)}.brand-logo{height:34px;width:auto;display:block}.header-divider{width:1px;height:26px;background:var(--line);margin:0 2px}.brand h1{font-size:16px;margin:0;font-weight:700;color:var(--teal);letter-spacing:-.2px}.brand p{font-size:12px;margin:0;color:var(--muted)}.help-btn{margin-left:auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--teal);font-weight:800;font-size:14px;line-height:1;display:grid;place-items:center;transition:all .12s}.help-btn:hover{border-color:var(--teal)}.badge-v0,.help-btn:hover{background:var(--teal-light)}.badge-v0{font-size:11px;font-weight:700;color:var(--teal-dark);padding:4px 10px;border-radius:999px;border:1px solid #bcd7da}.gate{position:fixed;inset:0;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,#f5f8f8,#e5eff0)}.gate-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 40px rgba(17,94,103,.12);padding:34px 32px 26px;width:100%;max-width:380px;text-align:center}.gate-logo{height:40px;width:auto;margin:0 auto 18px;display:block}.gate-title{font-size:20px;margin:0;color:var(--teal);font-weight:700}.gate-sub{font-size:13.5px;color:var(--muted);margin:6px 0 18px}.gate-input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:15px;text-align:center;letter-spacing:1px}.gate-input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-light)}.gate-err{color:#b3261e;font-size:12.5px;margin-top:8px}.gate-btn{width:100%;margin-top:14px;background:var(--teal);color:#fff;border:none;border-radius:10px;padding:11px;font-size:14.5px;font-weight:700;transition:background .12s}.gate-btn:hover{background:var(--teal-dark)}.gate-btn:disabled{opacity:.5;cursor:default}.gate-foot{font-size:11px;color:var(--muted);margin:18px 0 0}.ob-overlay{position:fixed;inset:0;background:rgba(17,42,44,.55);display:grid;place-items:center;z-index:100;padding:20px;animation:ob-fade .15s ease}@keyframes ob-fade{0%{opacity:0}to{opacity:1}}.ob-modal{position:relative;background:var(--card);border-radius:16px;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;padding:28px 30px 22px;box-shadow:0 20px 60px rgba(0,0,0,.28);animation:ob-pop .18s ease}@keyframes ob-pop{0%{transform:translateY(8px) scale(.98);opacity:0}to{transform:none;opacity:1}}.ob-close{position:absolute;top:14px;right:16px;border:none;background:none;color:var(--muted);font-size:15px}.ob-close:hover{color:var(--ink)}.ob-step-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--teal)}.ob-title{font-size:21px;margin:6px 0 14px;color:var(--ink)}.ob-body{font-size:14.5px;color:var(--ink);min-height:190px}.ob-body p{margin:0 0 12px}.ob-hint{font-size:12.5px;color:var(--muted)}.ob-flow{gap:10px;flex-wrap:wrap;margin:16px 0}.ob-flow,.ob-flow-item{display:flex;align-items:center}.ob-flow-item{gap:7px;background:var(--teal-light);border:1px solid #bcd7da;border-radius:8px;padding:7px 11px;font-size:13px;font-weight:600;color:var(--teal-dark)}.ob-num{width:18px;height:18px;border-radius:50%;background:var(--teal);color:#fff;font-size:11px;display:grid;place-items:center}.ob-flow-arrow{color:var(--muted);font-weight:700}.ob-demo-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:14px 0}.ob-fake-select{border:1px solid var(--teal);background:var(--teal-light);color:var(--teal-dark);border-radius:9px;padding:8px 14px;font-size:13px;font-weight:600}.ob-views{display:flex;flex-direction:column;gap:9px;margin-top:6px}.ob-view{display:flex;gap:10px;align-items:flex-start}.ob-view .vc-ic{margin-top:1px}.ob-view-title{font-size:13.5px;font-weight:700}.ob-view-desc{font-size:12.5px;color:var(--muted);line-height:1.35}.ob-example{background:#fbfcfb;border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:8px;padding:11px 14px;font-size:14px;font-style:italic;color:var(--ink);margin:6px 0 12px}.ob-footer{display:flex;align-items:center;justify-content:space-between;margin-top:20px;gap:12px}.ob-dots{display:flex;gap:7px}.ob-dot{width:8px;height:8px;border-radius:50%;background:var(--line);cursor:pointer;transition:all .12s}.ob-dot.active{background:var(--teal);transform:scale(1.25)}.ob-actions{display:flex;gap:8px}.ob-btn{border-radius:9px;padding:8px 16px;font-size:13.5px;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--muted)}.ob-btn.ghost:hover{border-color:var(--teal);color:var(--teal-dark)}.ob-btn.primary{background:var(--teal);border-color:var(--teal);color:#fff}.ob-btn.primary:hover{background:var(--teal-dark)}.body{display:flex;flex:1 1;min-height:0}.sidebar{width:300px;flex-shrink:0;background:var(--card);border-right:1px solid var(--line);overflow-y:auto;padding:18px 16px}.filter-group{margin-bottom:22px}.filter-group>label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin-bottom:8px}.bu-list{display:flex;flex-direction:column;gap:4px}.bu-cluster{font-size:10px;font-weight:700;color:var(--teal);margin:10px 0 4px;text-transform:uppercase;letter-spacing:.5px}.bu-btn{text-align:left;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 10px;font-size:13px;color:var(--ink);display:flex;flex-direction:column;gap:1px;transition:all .12s}.bu-btn:hover{border-color:#bcd3d6}.bu-btn.active{border-color:var(--teal);background:var(--teal-light);box-shadow:inset 0 0 0 1px var(--teal)}.bu-btn small{color:var(--muted);font-size:11px}.bu-btn.active small{color:var(--teal-dark)}.app-input,select{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:9px;font-size:13px;background:#fff;color:var(--ink)}.chip-row{display:flex;flex-wrap:wrap;gap:6px}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 10px;font-size:12px;color:var(--muted)}.chip:hover{border-color:#bcd3d6;color:var(--ink)}.chip.active{background:var(--teal);border-color:var(--teal);color:#fff}.source{display:flex;align-items:flex-start;gap:8px;padding:7px 0;border-top:1px solid var(--line)}.source:first-of-type{border-top:none}.dot{width:8px;height:8px;border-radius:50%;margin-top:5px;flex-shrink:0}.dot.active{background:var(--teal);box-shadow:0 0 0 3px var(--teal-light)}.dot.planned{background:#cbd3cf}.source .s-label{font-size:13px;font-weight:600}.source .s-note{font-size:11px;color:var(--muted);line-height:1.35}.tag-soon{color:var(--amber);background:#fdf3e2;border:1px solid #f2e0bf;border-radius:4px;vertical-align:middle}.tag-scope,.tag-soon{font-size:9px;font-weight:700;padding:1px 5px;margin-left:6px}.tag-scope{color:var(--muted);border:1px solid var(--line);border-radius:4px}.main{flex:1 1;display:flex;flex-direction:column;min-width:0}.views{display:flex;gap:8px;padding:14px 20px;overflow-x:auto;border-bottom:1px solid var(--line);background:var(--card)}.view-card{flex-shrink:0;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 13px;text-align:left;min-width:140px;transition:all .12s}.view-card:hover{border-color:#bcd3d6}.view-card.active{border-color:var(--teal);background:var(--teal-light);box-shadow:inset 0 0 0 1px var(--teal)}.view-card .vc-title{font-size:13px;font-weight:700;display:flex;align-items:center;gap:7px}.vc-ic{color:var(--teal);display:inline-flex;align-items:center}.empty h2 .vc-ic{vertical-align:middle}.view-card .vc-tag{font-size:11px;color:var(--muted);margin-top:2px}.depth-bar{display:flex;align-items:center;gap:10px;padding:10px 20px;border-bottom:1px solid var(--line);background:#fbfcfb}.depth-bar .lbl{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg button{border:none;background:#fff;padding:6px 12px;font-size:12px;color:var(--muted);border-right:1px solid var(--line)}.seg button:last-child{border-right:none}.seg button.active{background:var(--teal);color:#fff;font-weight:600}.scope-summary{margin-left:auto;font-size:12px;color:var(--muted)}.scope-summary b{color:var(--ink)}.chat{flex:1 1;overflow-y:auto;padding:22px 20px}.chat-inner{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.empty{text-align:center;color:var(--muted);padding:48px 20px}.empty h2{color:var(--ink);font-size:18px;margin:0 0 6px}.empty p{max-width:460px;margin:0 auto 20px;font-size:14px}.suggestions{display:flex;flex-direction:column;gap:8px;max-width:520px;margin:0 auto}.suggest{text-align:left;border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 14px;font-size:13px;color:var(--ink);transition:all .12s}.suggest:hover{border-color:var(--teal);background:var(--teal-light)}.msg{display:flex;gap:12px}.msg .avatar{width:30px;height:30px;border-radius:8px;flex-shrink:0;display:grid;place-items:center;font-size:13px;font-weight:700}.msg.user .avatar{background:var(--ink);color:#fff}.msg.assistant .avatar{background:var(--teal);color:#fff}.msg .bubble{flex:1 1;min-width:0}.msg .who{font-size:12px;font-weight:700;color:var(--muted);margin-bottom:3px}.msg .content{font-size:14.5px;white-space:pre-wrap;word-wrap:break-word}.msg .content h1,.msg .content h2,.msg .content h3{font-size:15px;margin:14px 0 6px}.msg.assistant .content a{color:var(--teal-dark)}.md-table{white-space:normal;border-collapse:collapse;width:100%;margin:10px 0;font-size:13px;display:block;overflow-x:auto}.md-table td,.md-table th{border:1px solid var(--line);padding:6px 9px;text-align:left;vertical-align:top}.md-table th{background:var(--teal-light);font-weight:700;color:var(--teal-dark)}.md-table tr:nth-child(2n) td{background:#fafcfb}.copy-btn{margin-top:10px;border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:7px;padding:4px 10px;font-size:12px;transition:all .12s}.copy-btn:hover{border-color:var(--teal);color:var(--teal-dark);background:var(--teal-light)}.cursor{display:inline-block;width:8px;height:15px;background:var(--teal);animation:blink 1s steps(2) infinite;vertical-align:text-bottom}@keyframes blink{50%{opacity:0}}.composer{border-top:1px solid var(--line);background:var(--card);padding:14px 20px}.composer-inner{max-width:820px;margin:0 auto;display:flex;gap:10px;align-items:flex-end}.composer textarea{flex:1 1;resize:none;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-family:inherit;font-size:14px;line-height:1.45;max-height:160px}.composer textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-light)}.send-btn{background:var(--teal);color:#fff;border:none;border-radius:12px;padding:12px 18px;font-weight:700;font-size:14px;transition:background .12s}.send-btn:hover{background:var(--teal-dark)}.send-btn:disabled{opacity:.5;cursor:default}.composer .hint{max-width:820px;margin:8px auto 0;font-size:11px;color:var(--muted);text-align:center}