:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f4f7fa;color:#16212c;--surface: #ffffff;--surface-muted: #f7fafc;--border: #d7e0e8;--border-strong: #b7c5d0;--text: #16212c;--muted: #5d6f7d;--teal: #0f766e;--teal-dark: #115e59;--blue: #245c73;--amber: #a16207;--shadow: 0 24px 70px rgba(22, 33, 44, .16)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:#f4f7fa}button,input,textarea{font:inherit}.screen{min-height:100vh}.center{align-items:center;display:flex;justify-content:center}.spin{animation:spin 1s linear infinite}.landing-screen{background:linear-gradient(180deg,#fffc,#f7fcffa8 42%,#ffffffd1),linear-gradient(116deg,rgba(10,35,80,.11) 0 18%,transparent 18% 100%),linear-gradient(64deg,transparent 0 48%,rgba(20,184,166,.15) 48% 64%,transparent 64%),linear-gradient(142deg,#fbfdff,#d8f6ff 30%,#ece7ff 66%,#fff8df);display:grid;grid-template-rows:auto 1fr;isolation:isolate;min-height:100vh;overflow:hidden;padding:22px;position:relative}.landing-screen:before{background:repeating-linear-gradient(116deg,transparent 0 38px,rgba(255,255,255,.22) 38px 39px,transparent 39px 76px),linear-gradient(100deg,rgba(10,35,80,.12),transparent 38%,rgba(89,68,205,.12) 70%,rgba(20,184,166,.1));content:"";inset:-18% -12%;-webkit-mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);opacity:.74;pointer-events:none;position:absolute;transform:rotate(-2deg)}.landing-screen:after{background:linear-gradient(90deg,transparent,rgba(20,184,166,.42),rgba(43,181,232,.44),rgba(129,90,243,.34),transparent),linear-gradient(90deg,transparent,rgba(10,35,80,.16),transparent);bottom:18vh;content:"";height:2px;left:8vw;opacity:.78;pointer-events:none;position:absolute;right:8vw;z-index:0}.landing-header{align-items:center;display:flex;justify-content:flex-end;position:relative;z-index:2}.signin-cta{background:#0a2350d1;border:1px solid rgba(255,255,255,.5);box-shadow:0 14px 34px #0a23501f,inset 0 1px #ffffff38;color:#fff;font-size:.9rem;font-weight:750;min-height:38px;padding:0 14px}.signin-cta:hover,.signin-cta:focus{border-color:#2bb5e8;box-shadow:0 16px 38px #0a235033,0 0 0 3px #2bb5e838}.landing-logo-stage{align-items:center;display:flex;justify-content:center;min-height:0;position:relative;z-index:1}.landing-logo{filter:drop-shadow(0 34px 58px rgba(10,35,80,.2)) drop-shadow(0 10px 28px rgba(20,184,166,.1));height:auto;max-height:min(58vh,540px);max-width:min(78vw,760px);object-fit:contain;width:100%}.signin-panel{background:#fffffff5;border:1px solid rgba(15,35,77,.13);border-radius:8px;box-shadow:var(--shadow);display:grid;gap:22px;max-width:380px;padding:24px;position:absolute;right:22px;top:74px;width:min(380px,calc(100vw - 44px));z-index:3}.eyebrow{color:var(--blue);font-size:.78rem;font-weight:700;letter-spacing:0;margin:0 0 8px;text-transform:uppercase}h1,h2,p{margin:0}h1{font-size:2rem;line-height:1.1}h2{font-size:1.1rem}.stack{display:grid;gap:18px}label{color:#2a3846;display:grid;gap:8px;font-size:.9rem;font-weight:650}input,textarea{background:var(--surface);border:1px solid var(--border-strong);border-radius:6px;color:#17202a;outline:none}input{min-height:44px;padding:0 12px}textarea{min-height:48px;padding:12px;resize:vertical}input:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #0f766e2b}button{align-items:center;border:0;border-radius:6px;cursor:pointer;display:inline-flex;gap:8px;justify-content:center}button:disabled{cursor:not-allowed;opacity:.55}.primary-button{background:var(--teal);color:#fff;font-weight:750;min-height:44px;padding:0 16px}.error{color:#9b1c31;font-size:.9rem}.app-shell{display:grid;grid-template-columns:218px minmax(0,1fr);height:100vh;margin:0;max-width:none;padding:0;transition:grid-template-columns .18s ease;width:100%}.app-shell.sidebar-collapsed{grid-template-columns:72px minmax(0,1fr)}.app-shell.is-empty{max-width:none}.app-sidebar{background:#ffffffb8;display:grid;grid-template-rows:auto 1fr auto;min-width:0;padding:18px 14px}.sidebar-top{align-items:start;display:grid;gap:10px;grid-template-columns:minmax(0,1fr) auto;min-width:0}.sidebar-logo{height:auto;justify-self:center;max-width:136px;object-fit:contain;width:100%}.sidebar-spacer{min-height:1px}.sidebar-user{align-items:center;display:grid;gap:10px;grid-template-columns:auto minmax(0,1fr) auto}.sidebar-user-avatar{align-items:center;background:#eef5f4;border:1px solid #c8ddd7;border-radius:999px;color:var(--teal-dark);display:none;font-size:.82rem;font-weight:800;height:34px;justify-content:center;line-height:1;width:34px}.sidebar-user-text{display:grid;gap:4px;min-width:0}.sidebar-user-label{color:var(--muted);font-size:.72rem;font-weight:750;line-height:1;text-transform:uppercase}.sidebar-user-email{color:var(--text);font-size:.84rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-workspace{display:grid;grid-template-rows:1fr auto auto;min-width:0;padding:18px 22px 20px;position:relative}.icon-button,.send-button{background:var(--surface);border:1px solid var(--border-strong);color:var(--text);height:44px;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease;width:44px}.app-sidebar .icon-button{background:transparent;border:0;height:38px;width:38px}.sidebar-toggle{color:var(--muted)}.app-shell.sidebar-collapsed .app-sidebar{padding:16px 8px}.app-shell.sidebar-collapsed .sidebar-top{grid-template-columns:1fr;justify-items:center}.app-shell.sidebar-collapsed .sidebar-logo{max-width:52px}.app-shell.sidebar-collapsed .sidebar-user{gap:8px;grid-template-columns:1fr;justify-items:center}.app-shell.sidebar-collapsed .sidebar-user-avatar{display:flex}.app-shell.sidebar-collapsed .sidebar-user-text{display:none}.icon-button:hover,.send-button:hover:not(:disabled){border-color:var(--teal);box-shadow:0 8px 20px #16212c1a;transform:translateY(-1px)}.conversation{display:flex;flex-direction:column;gap:14px;min-height:0;overflow:auto;padding:16px 0 20px;scroll-behavior:smooth}.message-row{display:grid;gap:6px;max-width:min(780px,90%)}.message-row.user{align-self:flex-end}.message-row.assistant{align-self:flex-start}.message-label{color:var(--muted);font-size:.76rem;font-weight:750;line-height:1}.message-row.user .message-label{text-align:right}.message{border-radius:8px;line-height:1.45;padding:12px 14px;white-space:pre-wrap}.message-row.user .message{background:var(--teal);color:#fff}.message-row.assistant .message{background:#eef5f4;color:var(--text)}.workflow-row{align-items:center;align-self:flex-start;color:var(--muted);display:flex;flex-wrap:wrap;font-size:.84rem;gap:8px;line-height:1.35;padding:2px 4px}.workflow-spinner{animation:spin .85s linear infinite;border:2px solid #c9d5de;border-top-color:var(--teal);border-radius:999px;height:14px;width:14px}.workflow-pill{background:#eef5f4;border:1px solid #c8ddd7;border-radius:999px;color:var(--teal-dark);font-size:.76rem;line-height:1;padding:4px 8px}.citation-pill{background:#fff;border:1px solid #9bc2bd;border-radius:999px;color:var(--teal-dark);display:inline-flex;font-size:.72rem;font-weight:750;justify-content:center;line-height:1;margin:0 2px;min-width:20px;padding:3px 6px;vertical-align:.12em}.citation-pill:hover,.citation-pill:focus{border-color:var(--teal);box-shadow:0 0 0 3px #0f766e29}.typing-indicator{align-items:center;display:inline-flex;gap:5px;min-height:20px}.typing-indicator span{animation:pulse 1s ease-in-out infinite;background:var(--teal);border-radius:999px;height:6px;opacity:.35;width:6px}.typing-indicator span:nth-child(2){animation-delay:.12s}.typing-indicator span:nth-child(3){animation-delay:.24s}.source-scrim{background:#0e18223d;border-radius:0;cursor:default;inset:0;position:fixed;z-index:9}.source-sidebar{background:var(--surface);border:1px solid var(--border);border-radius:8px;bottom:18px;box-shadow:var(--shadow);display:grid;gap:16px;max-height:min(720px,calc(100vh - 36px));overflow:auto;padding:18px;position:fixed;right:18px;top:18px;width:min(420px,calc(100vw - 36px));z-index:10}.source-sidebar-header{align-items:flex-start;display:flex;gap:16px;justify-content:space-between}.source-sidebar h2{line-height:1.25}.source-file{color:var(--muted);font-size:.84rem;margin-top:6px;overflow-wrap:anywhere}.source-meta{display:flex;flex-wrap:wrap;gap:8px}.source-meta span{background:#f4f8f7;border:1px solid #c8ddd7;border-radius:999px;color:var(--teal-dark);font-size:.76rem;line-height:1;padding:5px 8px;text-transform:capitalize}.source-heading{color:var(--blue);font-size:.84rem}.source-excerpt{background:var(--surface-muted);border:1px solid var(--border);border-radius:8px;color:#243443;line-height:1.5;max-height:460px;overflow:auto;padding:14px;white-space:pre-wrap}.docked{padding:10px 0 0}.composer{background:#fffffff0;border-radius:24px;box-shadow:0 18px 48px #16212c1f;display:grid;gap:8px;grid-template-columns:1fr auto;margin:0 auto;max-width:780px;padding:8px;width:100%}.composer-ready{color:var(--text);display:none;font-family:Avenir Next,Helvetica Neue,Arial,sans-serif;font-size:clamp(1.6rem,3vw,2.35rem);font-weight:500;letter-spacing:0;line-height:1.1;text-align:center}.composer-disclaimer{color:var(--muted);font-size:.76rem;line-height:1.3;padding-top:8px;text-align:center}.app-shell.is-empty .composer-ready{display:block;left:50%;position:absolute;top:calc(50% - 76px);transform:translate(-50%);width:min(624px,calc(100vw - 44px))}.app-shell.is-empty .chat-workspace .composer{left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);width:min(624px,calc(100vw - 44px))}.composer textarea{background:transparent;border:0;min-width:0;min-height:44px;padding:10px 12px;resize:none}.composer textarea:focus{box-shadow:none}.send-button{align-self:center;background:#243443;color:#fff}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.25;transform:translateY(0)}50%{opacity:.8;transform:translateY(-2px)}}@media(max-width:720px){.app-shell,.app-shell.sidebar-collapsed{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr)}.app-sidebar,.app-shell.sidebar-collapsed .app-sidebar{display:none}.chat-workspace{min-height:100vh;padding:12px}.landing-screen{padding:16px}.landing-screen:before{height:88vw;width:88vw}.landing-logo{max-height:46vh;max-width:92vw}.signin-panel{left:16px;right:16px;top:68px;width:auto}.message{max-width:96%}.app-shell.is-empty .chat-workspace .composer{width:min(544px,calc(100vw - 24px))}.app-shell.is-empty .composer-ready{top:calc(50% - 72px);width:min(544px,calc(100vw - 24px))}.source-sidebar{border-radius:8px 8px 0 0;inset:auto 0 0;max-height:78vh;width:100%}}@media(max-width:480px){.chat-workspace{padding:8px}.conversation{gap:12px;padding-bottom:16px}.message-row{max-width:96%}.message{border-radius:8px;padding:10px 12px}.composer{border-radius:20px;grid-template-columns:1fr}.app-shell.is-empty .chat-workspace .composer{width:min(544px,calc(100vw - 16px))}.app-shell.is-empty .composer-ready{top:calc(50% - 104px);width:min(544px,calc(100vw - 16px))}.send-button{height:40px;justify-self:end;width:40px}}