:root{--ink:#172421;--muted:#687671;--line:#dfe7e3;--paper:#f8faf8;--white:#fff;--forest:#173f35;--forest-light:#e7f0eb;--lime:#c8ed87;--font-body:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--font-display:Manrope, Inter, ui-sans-serif, system-ui, sans-serif}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--paper);color:var(--ink);font-family:var(--font-body), sans-serif}button,textarea{font:inherit}button{color:inherit}.platform-shell{grid-template-columns:252px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);z-index:20;background:#f1f5f2;flex-direction:column;padding:24px 16px 18px;display:flex;position:relative}.brand{align-items:center;gap:11px;padding:0 8px 28px;display:flex}.brand-mark{background:var(--forest);color:var(--lime);font-family:var(--font-display);border-radius:10px;justify-content:center;align-items:center;width:38px;height:38px;font-size:20px;font-weight:800;display:flex}.brand strong,.brand span{display:block}.brand strong{font-family:var(--font-display);letter-spacing:-.01em;font-size:14px}.brand div>span{color:var(--muted);margin-top:2px;font-size:11px}.new-conversation{background:var(--forest);color:#fff;cursor:pointer;border:0;border-radius:10px;justify-content:center;align-items:center;gap:9px;width:100%;padding:11px;font-size:13px;font-weight:650;display:flex}.new-conversation:hover{background:#205244}.new-conversation span{color:var(--lime);font-size:18px;line-height:1}.sidebar nav{margin-top:30px}.nav-label{color:#8a9691;letter-spacing:.12em;text-transform:uppercase;margin:0 10px 9px;font-size:10px;font-weight:700}.nav-item{cursor:pointer;text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:11px;width:100%;margin:3px 0;padding:10px 12px;font-size:13px;display:flex}.nav-item span{color:#71817b;font-size:17px}.nav-item.is-active{background:#fff;font-weight:650;box-shadow:0 1px 2px #14362d0d}.nav-item.is-active span{color:var(--forest)}.sidebar-footer{margin-top:auto}.system-status{border-bottom:1px solid var(--line);color:#62716c;align-items:center;gap:7px;margin:0 6px 14px;padding:0 2px 14px;font-size:11px;display:flex}.system-status i{background:#65a853;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #dcebd8}.profile{cursor:pointer;text-align:left;background:0 0;border:0;grid-template-columns:34px 1fr auto;align-items:center;gap:9px;width:100%;padding:5px 6px;display:grid}.profile .avatar{background:#dae5df;border-radius:9px;justify-content:center;align-items:center;height:34px;font-size:11px;font-weight:700;display:flex}.profile strong,.profile small{display:block}.profile strong{font-size:12px}.profile small{color:var(--muted);margin-top:2px;font-size:10px}.main-panel{flex-direction:column;min-width:0;display:flex}.topbar{border-bottom:1px solid var(--line);background:#ffffffd1;justify-content:space-between;align-items:center;height:76px;padding:0 30px;display:flex}.eyebrow{color:#75837e;letter-spacing:.13em;text-transform:uppercase;margin:0 0 4px;font-size:10px;font-weight:700}.topbar h1{font-family:var(--font-display);letter-spacing:-.02em;margin:0;font-size:17px}.topbar-actions{align-items:center;gap:9px;display:flex}.context-button,.icon-button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:9px;height:36px}.context-button{align-items:center;gap:7px;padding:0 11px;font-size:11px;font-weight:650;display:flex}.context-button b{color:#40763c;letter-spacing:.05em;text-transform:uppercase;background:#e5f1e2;border-radius:99px;padding:3px 6px;font-size:9px}.icon-button{width:36px}.menu-button{display:none}.workspace{flex-direction:column;flex:1;min-height:0;display:flex}.conversation{flex:1;justify-content:center;align-items:center;min-height:430px;padding:54px 24px 24px;display:flex}.conversation.has-started{align-items:flex-start}.welcome{text-align:center;width:100%;max-width:680px}.intelligence-mark{background:var(--forest-light);border:1px solid #d6e3dc;border-radius:18px;justify-content:center;align-items:center;width:58px;height:58px;margin:0 auto 20px;display:flex;transform:rotate(45deg)}.intelligence-mark span{color:var(--forest);font-size:26px;transform:rotate(-45deg)}.welcome h2{font-family:var(--font-display);letter-spacing:-.045em;margin:8px 0 12px;font-size:clamp(28px,4vw,42px);line-height:1.1}.welcome-copy{color:var(--muted);max-width:520px;margin:0 auto;font-size:14px;line-height:1.65}.starter-prompts{grid-template-columns:repeat(3,1fr);gap:9px;margin-top:34px;display:grid}.starter-prompts button{border:1px solid var(--line);cursor:pointer;text-align:left;background:#ffffffb3;border-radius:11px;justify-content:space-between;align-items:flex-start;min-height:70px;padding:13px;font-size:12px;line-height:1.4;display:flex}.starter-prompts button:hover{background:#fff;border-color:#b8c9c1;transform:translateY(-1px)}.starter-prompts b{color:#809089;font-weight:400}.message-list{width:100%;max-width:780px}.message{grid-template-columns:32px 1fr;gap:13px;margin-bottom:25px;display:grid}.message-avatar{background:var(--forest);color:var(--lime);border-radius:9px;justify-content:center;align-items:center;height:32px;font-size:12px;font-weight:700;display:flex}.message-user .message-avatar{color:var(--ink);background:#dce5e0;font-size:9px}.message small{color:var(--muted);text-transform:uppercase;font-size:10px;font-weight:700}.message p{border:1px solid var(--line);background:#fff;border-radius:4px 13px 13px;margin:6px 0 0;padding:13px 15px;font-size:14px;line-height:1.65}.message-user p{background:var(--forest);border-color:var(--forest);color:#fff}.message-sources{gap:7px;margin-top:8px;display:grid}.source-card{border:1px solid var(--line);background:#f1f6f3;border-radius:10px;grid-template-columns:24px 1fr;align-items:center;gap:10px;padding:9px 11px;display:grid}.source-card>span{color:var(--forest);font-size:18px}.source-card strong,.source-card small{display:block}.source-card strong{font-size:11px}.source-card small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:9px;overflow:hidden}.retrieval-message p{color:var(--muted);align-items:center;gap:9px;display:flex}.retrieval-message i{background:#6aa05d;border-radius:50%;width:7px;height:7px;animation:1s ease-in-out infinite pulse;display:inline-block}.composer-wrap{width:100%;max-width:820px;margin:auto auto 22px;padding:0 22px}.composer{background:#fff;border:1px solid #ccd8d2;border-radius:16px;padding:14px;box-shadow:0 10px 35px #19393014}.composer:focus-within{border-color:#8ba69b;box-shadow:0 10px 35px #1939301a,0 0 0 3px #7597891a}.composer textarea{color:var(--ink);resize:none;border:0;outline:0;width:100%;min-height:44px;font-size:14px;line-height:1.5;display:block}.composer textarea::placeholder{color:#99a49f}.composer-actions{justify-content:space-between;align-items:center;display:flex}.composer-actions>div{align-items:center;gap:10px;display:flex}.source-pill{color:#50625b;cursor:pointer;background:#f3f7f4;border:0;border-radius:8px;padding:7px 9px;font-size:10px}.reset-pill{color:#77857f;cursor:pointer;background:0 0;border:1px solid #e2e9e5;border-radius:8px;padding:6px 9px;font-size:10px}.reset-pill:disabled{cursor:not-allowed;opacity:.5}.keyboard-hint{color:#9aa5a1;font-size:9px}.send-button{background:var(--forest);color:#fff;cursor:pointer;border:0;border-radius:9px;width:34px;height:34px;font-size:18px}.send-button:hover{background:#205244}.send-button:disabled{cursor:wait;opacity:.55}.disclaimer{color:#929d99;text-align:center;margin:9px 0 0;font-size:9px}.sidebar-backdrop{display:none}@keyframes pulse{50%{opacity:.25;transform:scale(.75)}}@media (max-width:760px){.platform-shell{grid-template-columns:1fr}.sidebar{width:84vw;max-width:280px;transition:transform .2s;position:fixed;top:0;bottom:0;left:0;transform:translate(-105%)}.sidebar.is-open{transform:translate(0)}.sidebar-backdrop{opacity:0;pointer-events:none;z-index:10;background:#0a191559;border:0;transition:opacity .2s;position:fixed;inset:0}.sidebar-backdrop.is-visible{opacity:1;pointer-events:auto;display:block}.topbar{height:68px;padding:0 16px}.menu-button{background:0 0;border:0;margin-right:12px;font-size:20px;display:block}.topbar>div:first-of-type{margin-right:auto}.topbar .eyebrow{display:none}.context-button{padding:0 8px}.context-button>span,.icon-button{display:none}.conversation{padding:34px 18px 20px}.starter-prompts{grid-template-columns:1fr;margin-top:24px}.starter-prompts button{min-height:0}.composer-wrap{padding:0 12px}.keyboard-hint{display:none}}