:root{--ink:#172033;--muted:#667085;--line:#e7e9ef;--soft:#f6f7f9;--nav:#131a2a;--blue:#4d6bfe;--violet:#8266ea;--green:#18a77b;--amber:#d99424;--shadow:0 18px 50px rgba(28,39,69,.09)}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f5f6f8;font-family:Inter,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:260px;display:flex;flex-direction:column;padding:27px 18px 18px;background:var(--nav);color:#fff;z-index:10}.brand{display:flex;align-items:center;gap:12px;padding:0 9px;color:#fff;text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#536cf5;font-family:Georgia,serif;font-size:21px}.brand strong,.brand small{display:block}.brand strong{font-size:17px;letter-spacing:.2px}.brand small{margin-top:2px;color:#9099ab;font-size:10px;letter-spacing:1.2px}.new-chat{margin:28px 0 25px;width:100%;padding:12px 14px;border:1px solid #364052;border-radius:10px;color:#eef1f8;background:#242d3f;text-align:left;font-size:14px;cursor:pointer}.new-chat span{display:inline-grid;place-items:center;width:23px;height:23px;margin-right:10px;border-radius:7px;background:#536cf5;font-size:18px}.nav-label{padding:0 10px 9px;color:#6f798d;font-size:10px;letter-spacing:1.5px}.conversation-list{display:flex;flex:1;flex-direction:column;gap:5px;overflow:auto}.conversation-item{padding:10px;border:0;border-radius:9px;color:#aeb6c5;background:transparent;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.conversation-item:hover,.conversation-item.active{color:#fff;background:#20293a}.empty-nav{padding:12px 10px;color:#6f798d;font-size:13px}.sidebar-footer{display:flex;align-items:center;gap:8px;padding:13px 8px 2px;border-top:1px solid 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10px;border-radius:8px;color:#647087;background:#f1f3f6;font-size:11px}.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:#fff;background:#1d2639;font-size:11px}.mobile-menu{display:none}.chat-stage{width:min(1040px,calc(100% - 64px));margin:0 auto;flex:1;padding:55px 0 210px}.welcome{text-align:center}.welcome-orb{display:grid;place-items:center;width:70px;height:70px;margin:8px auto 22px;border:1px solid #dfe3ff;border-radius:22px;background:#f1f3ff;box-shadow:0 15px 40px rgba(86,105,230,.15);transform:rotate(-4deg)}.welcome-orb span{color:#596ff0;font-size:29px;transform:rotate(4deg)}.welcome h2{margin:10px 0 12px;font-family:Georgia,"Songti SC",serif;font-size:34px;font-weight:500;letter-spacing:-.7px}.welcome>p:not(.eyebrow){max-width:590px;margin:0 auto;color:var(--muted);font-size:14px;line-height:1.8}.suggestion-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:760px;margin:34px auto}.suggestion{display:flex;align-items:center;gap:13px;padding:16px;border:1px solid var(--line);border-radius:13px;background:#fff;text-align:left;cursor:pointer;transition:.2s}.suggestion:hover{border-color:#cdd3f6;box-shadow:0 10px 26px rgba(35,51,92,.08);transform:translateY(-2px)}.suggestion-icon{display:grid;place-items:center;min-width:38px;height:38px;border-radius:11px;font-weight:700}.suggestion-icon.blue{color:#4c66ed;background:#eef1ff}.suggestion-icon.violet{color:#8266ea;background:#f3efff}.suggestion-icon.amber{color:#bc7c1a;background:#fff4df}.suggestion-icon.green{color:#128665;background:#e8faf4}.suggestion strong,.suggestion small{display:block}.suggestion strong{font-size:13px}.suggestion small{margin-top:5px;color:#838b99;font-size:12px}.hidden{display:none!important}.conversation-view{max-width:920px;margin:0 auto}.user-message{max-width:78%;margin:0 0 22px auto;padding:14px 18px;border-radius:16px 16px 4px 16px;color:#fff;background:#253049;line-height:1.6}.run-card{padding:18px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:var(--shadow)}.run-card-header{display:flex;align-items:center;gap:11px}.agent-icon{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;color:#5269ec;background:#edf0ff}.run-card-header strong,.run-card-header small{display:block}.run-card-header strong{font-size:13px}.run-card-header small{margin-top:3px;color:#8b93a1;font-size:11px}.cancel-button{margin-left:auto;padding:6px 10px;border:1px solid #e0e3ea;border-radius:7px;color:#707887;background:#fff;cursor:pointer}.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:16px}.step{padding:9px 10px;border-radius:9px;color:#7c8493;background:#f6f7f9;font-size:11px}.step.running{color:#465edc;background:#eef1ff}.step.completed{color:#14845f;background:#eaf8f3}.step.failed,.step.cancelled{color:#ba4650;background:#fff0f1}.step 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20px}.mobile-menu{display:block;border:0;background:transparent;font-size:21px}.secure-badge{display:none}.chat-stage{width:calc(100% - 28px);padding-top:35px}.suggestion-grid{grid-template-columns:1fr}.welcome h2{font-size:27px}.step-list,.insight-grid{grid-template-columns:1fr 1fr}.composer-wrap{left:0;padding:20px 14px 8px}.user-message{max-width:90%}}@media(max-width:480px){.step-list,.insight-grid{grid-template-columns:1fr}.welcome-orb{width:58px;height:58px}.chat-stage{padding-bottom:190px}.topbar h1{font-size:16px}}

.auth-hidden{display:none!important}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:32px;background:#eef1f6}.auth-card{width:min(440px,100%);padding:38px;border:1px solid #dfe3ea;border-radius:20px;background:#fff;box-shadow:0 24px 70px rgba(28,39,69,.14)}.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:38px}.auth-brand strong,.auth-brand small{display:block}.auth-brand strong{font-size:18px}.auth-brand small{margin-top:3px;color:#8b93a3;font-size:9px;letter-spacing:1.4px}.auth-card h1{margin:9px 0 10px;font-family:Georgia,"Songti SC",serif;font-size:28px;font-weight:500}.auth-copy{margin:0 0 28px;color:#6d7686;font-size:13px;line-height:1.7}.login-form{display:flex;flex-direction:column}.login-form label{margin:0 0 7px;color:#3f4859;font-size:12px;font-weight:600}.login-form input{width:100%;height:44px;margin-bottom:17px;padding:0 13px;border:1px solid #dfe3ea;border-radius:10px;outline:0;color:#263045;background:#fbfcfd;font:13px inherit}.login-form input:focus{border-color:#6378ea;box-shadow:0 0 0 3px rgba(82,105,236,.12)}.login-form button{height:44px;margin-top:5px;border:0;border-radius:10px;color:#fff;background:#4159dc;font:600 13px inherit;cursor:pointer}.login-form button:disabled{opacity:.55}.login-error{margin:-3px 0 12px;padding:9px 11px;border-radius:8px;color:#b33d48;background:#fff0f1;font-size:11px}.auth-note{margin:22px 0 0;color:#9aa1ad;font-size:10px;line-height:1.6}.account-button{display:flex;align-items:center;gap:8px;padding:0;border:0;color:#586173;background:transparent;cursor:pointer}.account-name{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.logout-label{padding-left:8px;border-left:1px solid #dfe3ea;color:#8b93a3;font-size:10px}.account-button:hover .logout-label{color:#4159dc}@media(max-width:600px){.auth-screen{padding:18px}.auth-card{padding:28px 22px}.account-name,.logout-label{display:none}}

.status-dot.error{background:#ef6b72;box-shadow:0 0 0 4px rgba(239,107,114,.12)}.sync-source{width:30px;height:30px;border-radius:8px;border:1px solid #344054;color:#aeb6c5;cursor:pointer}.sync-source:hover{color:#fff;border-color:#536cf5}.sync-source:disabled{opacity:.45;cursor:wait}

.status-dot.warning{background:#e9a23b;box-shadow:0 0 0 4px rgba(233,162,59,.12)}