@font-face{font-family:Geist;src:url(/fonts/Geist%5Bwght%5D.woff2) format("woff2 supports variations"),url(/fonts/Geist%5Bwght%5D.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}@font-face{font-family:Geist Mono;src:url(/fonts/geist-mono-latin-wght-normal.woff2) format("woff2 supports variations"),url(/fonts/geist-mono-latin-wght-normal.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--brand-primary: #0051c2;--brand-primary-hover: #00459e;--brand-accent: #4b7fe2;--brand-on-primary: #ffffff;--brand-background: #fafafa;--brand-surface: #ffffff;--brand-surface-elevated: #f5f5f5;--brand-on-background: #0e1229;--brand-text: #0e1229;--brand-text-secondary: #424242;--brand-text-muted: #757575;--brand-text-tertiary: #636363;--brand-link: #0051c2;--brand-focus: #4b7fe2;--brand-error: #d72d2d;--brand-warning: #ffa500;--brand-success: #188661;--brand-border: #e5e5e5;--brand-radius: .375rem;--brand-font: "Geist", system-ui, sans-serif;--brand-radius-sm: .25rem;--brand-radius-lg: .75rem;--brand-font-mono: "JetBrains Mono", monospace;--panel-sm: 220px;--panel-md: 320px;--panel-lg: 560px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 8px 24px rgba(0, 0, 0, .1);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .12);font-family:var(--brand-font)}body{background:var(--brand-background);color:var(--brand-text);height:100dvh;overflow:hidden}.login-screen{height:100dvh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--brand-surface);border:1px solid var(--brand-border);border-radius:20px;padding:48px 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.15s}.sign-in-btn:hover{background:var(--brand-primary-hover)}.app{display:flex;flex-direction:column;height:100dvh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--brand-surface);border-bottom:1px solid var(--brand-border);flex-shrink:0}.header-brand{display:flex;align-items:center;gap:10px}.header-title{font-weight:600;font-size:var(--text-base)}.header-surface{font-size:12px;color:var(--brand-text-secondary);background:var(--brand-surface-elevated);border:1px solid var(--brand-border);border-radius:6px;padding:2px 8px}.header-user{display:flex;align-items:center;gap:12px}.user-name{font-size:13px;color:var(--brand-text-secondary)}.sign-out-btn{background:none;border:1px solid var(--brand-border);border-radius:8px;color:var(--brand-text-secondary);font-size:13px;padding:4px 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ease;max-width:400px}.tool-icon{font-size:1rem}.tool-elapsed{color:var(--brand-warning);font-size:.75rem;margin-left:auto}.tool-spinner{width:12px;height:12px;flex-shrink:0;border:2px solid var(--brand-border);border-top-color:var(--brand-primary);border-radius:50%;animation:spin .8s linear infinite;margin-left:auto}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.citation-panel{margin-top:6px}.citation-toggle{background:none;border:none;cursor:pointer;font-size:.78rem;color:var(--brand-text-secondary);padding:2px 0}.citation-toggle:hover{color:var(--brand-text-secondary)}.citation-list{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:3px}.citation-item{font-size:.8rem}.citation-link{color:var(--brand-link);text-decoration:none}.citation-link:hover{text-decoration:underline}.starters{padding:24px 16px;max-width:640px;margin:0 auto}.starters-heading{color:var(--brand-text-secondary);font-size:.9rem;margin-bottom:12px;text-align:center}.starters-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.starter-chip{display:flex;align-items:flex-start;gap:8px;background:var(--brand-surface-elevated);border:1px solid var(--brand-border);border-radius:var(--brand-radius-sm);padding:10px 12px;cursor:pointer;text-align:left;color:var(--brand-text-secondary);font-size:.82rem;line-height:1.4;transition:background .15s,border-color .15s}.starter-chip:hover{background:var(--brand-surface-elevated);border-color:var(--brand-primary);color:var(--brand-text)}.starter-icon{font-size:1rem;flex-shrink:0;margin-top:1px}.starter-text{flex:1}.new-chat-btn{background:none;border:1px solid var(--brand-border);border-radius:8px;color:var(--brand-text-secondary);font-size:13px;padding:4px 12px;cursor:pointer;transition:border-color .15s,color .15s}.new-chat-btn:hover{color:var(--brand-text);border-color:var(--brand-primary)}.app-layout{display:flex;height:100dvh;overflow:hidden}.session-sidebar{width:var(--panel-sm);flex-shrink:0;background:var(--brand-surface);border-right:1px solid var(--brand-border);display:flex;flex-direction:column;padding:12px 8px;gap:4px;overflow-y:auto}.sidebar-new-chat-btn{background:var(--brand-primary);color:var(--brand-on-primary);border:none;border-radius:var(--brand-radius-sm);padding:8px 12px;cursor:pointer;font-size:.85rem;margin-bottom:8px;text-align:left;transition:background .15s}.sidebar-new-chat-btn:hover{background:var(--brand-primary-hover)}.sidebar-loading{display:flex;justify-content:center;padding:8px}.session-group{margin-top:8px}.session-group-label{color:var(--brand-text-secondary);font-size:.72rem;padding:2px 6px;text-transform:uppercase;letter-spacing:.05em}.session-item{display:block;width:100%;text-align:left;background:none;border:none;border-radius:var(--brand-radius-sm);padding:6px 8px;cursor:pointer;color:var(--brand-text-secondary);font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .1s,color .1s}.session-item:hover,.session-item.active{background:var(--brand-surface-elevated);color:var(--brand-text)}.input-area{padding:16px 24px 24px;display:flex;gap:10px;max-width:820px;width:100%;margin:0 auto}.input-field{flex:1;background:var(--brand-surface);border:1px solid var(--brand-border);border-radius:var(--brand-radius);color:var(--brand-text);font-size:var(--text-base);padding:12px 16px;outline:none;transition:border-color .15s}.input-field:focus{border-color:var(--brand-focus)}.input-field::placeholder{color:var(--brand-text-secondary)}.input-field:disabled{opacity:.6}.send-btn{width:44px;height:44px;background:var(--brand-primary);border:none;border-radius:var(--brand-radius);color:var(--brand-on-primary);font-size:18px;cursor:pointer;transition:background .15s;flex-shrink:0}.send-btn:hover:not(:disabled){background:var(--brand-primary-hover)}.send-btn:disabled{opacity:.4;cursor:default}.approval-card{background:var(--brand-surface-elevated);border:1px solid var(--brand-warning);border-radius:var(--brand-radius);padding:16px;max-width:480px;margin:8px 0}.approval-header{display:flex;align-items:center;gap:8px;margin-bottom:12px}.approval-icon{font-size:1.1rem}.approval-title{font-weight:600;color:var(--brand-text);font-size:var(--text-base)}.approval-fields{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.approval-field{display:flex;gap:12px;font-size:.85rem}.approval-key{color:var(--brand-text-secondary);min-width:80px;flex-shrink:0}.approval-value{color:var(--brand-text);word-break:break-word}.approval-notice{font-size:.78rem;color:var(--brand-text-secondary);margin-bottom:12px}.approval-actions{display:flex;gap:8px}.btn-confirm{background:var(--brand-primary);color:var(--brand-on-primary);border:none;border-radius:var(--brand-radius-sm);padding:7px 16px;font-size:.85rem;cursor:pointer;font-weight:500}.btn-confirm:hover{background:var(--brand-primary-hover)}.btn-cancel{background:none;color:var(--brand-text-secondary);border:1px solid var(--brand-border);border-radius:var(--brand-radius-sm);padding:7px 16px;font-size:.85rem;cursor:pointer}.btn-cancel:hover{color:var(--brand-text);border-color:var(--brand-text-secondary)}.header-nav{display:flex;align-items:center;gap:12px;margin-right:auto;margin-left:16px}.header-demo-link{font-size:13px;color:var(--brand-text-secondary);text-decoration:none;border:1px solid var(--brand-border);border-radius:6px;padding:3px 10px;transition:color .15s,border-color .15s}.header-demo-link:hover{color:var(--brand-link);border-color:var(--brand-primary)}.demo-landing{height:100dvh;display:flex;flex-direction:column;align-items:center;padding:48px 24px 80px;gap:64px;overflow-y:auto}.demo-hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px;max-width:640px}.demo-hero-inner{display:flex;flex-direction:column;align-items:center;gap:20px}.demo-hero-brand{display:flex;align-items:center;gap:10px}.demo-hero-wordmark{font-size:16px;font-weight:600;color:var(--brand-text)}.demo-hero-headline{font-size:var(--text-3xl);font-weight:700;letter-spacing:-.02em;line-height:1.15}.demo-hero-subhead{font-size:var(--text-base);color:var(--brand-text-secondary);line-height:1.6}.demo-hero-cta{display:inline-block;margin-top:8px;padding:10px 24px;background:var(--brand-primary);color:var(--brand-on-primary);border-radius:var(--brand-radius-sm);font-size:.9rem;font-weight:600;text-decoration:none;transition:background .15s}.demo-hero-cta:hover{background:var(--brand-primary-hover)}.demo-section-heading{font-size:.8rem;font-weight:600;color:var(--brand-text-secondary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:20px}.demo-surfaces-section{width:100%;max-width:900px}.surface-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.surface-card{background:var(--brand-surface);border:1px solid var(--brand-border);border-radius:var(--brand-radius-lg);padding:24px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s,background .15s}.surface-card:not(.surface-card--coming-soon):hover{border-color:var(--brand-primary);background:var(--brand-surface-elevated)}.surface-card--coming-soon{opacity:.55}.surface-card-name{font-size:.95rem;font-weight:600;display:flex;align-items:center;gap:8px}.surface-card-desc{font-size:.84rem;color:var(--brand-text-secondary);line-height:1.5;flex:1}.surface-card-link{margin-top:8px;align-self:flex-start;font-size:.84rem;font-weight:600;color:var(--brand-link);text-decoration:none;transition:color .15s}.surface-card-link:hover{color:var(--brand-text)}.surface-card-link--locked{color:var(--brand-text-muted);cursor:default}.feature-band{display:flex;gap:0;width:100%;max-width:900px;background:var(--brand-surface);border:1px solid var(--brand-border);border-radius:var(--brand-radius-lg);overflow:hidden}.feature-band-item{flex:1;padding:24px 28px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--brand-border)}.feature-band-item:last-child{border-right:none}.feature-band-label{font-size:.88rem;font-weight:600}.feature-band-desc{font-size:.8rem;color:var(--brand-text-secondary);line-height:1.5}.demo-scenarios-section{width:100%;max-width:900px}.demo-footer{padding-top:8px}.demo-back-link{font-size:13px;color:var(--brand-text-secondary);text-decoration:none;transition:color .15s}.demo-back-link:hover{color:var(--brand-text)}.scenario-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;width:100%;max-width:900px}.scenario-card{display:flex;align-items:flex-start;gap:16px;background:var(--brand-surface);border:1px solid var(--brand-border);border-radius:var(--brand-radius-lg);padding:24px;text-decoration:none;color:var(--brand-text);transition:border-color .15s,background .15s;cursor:pointer}.scenario-card:hover{border-color:var(--brand-primary);background:var(--brand-surface-elevated)}.scenario-card--coming-soon{opacity:.65}.scenario-card--coming-soon:hover{border-color:var(--brand-border);background:var(--brand-surface)}.scenario-card-icon{font-size:2rem;flex-shrink:0;margin-top:2px}.scenario-card-body{display:flex;flex-direction:column;gap:8px}.scenario-card-title{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:8px}.scenario-card-desc{font-size:.85rem;color:var(--brand-text-secondary);line-height:1.5}.coming-soon-badge{font-size:.7rem;font-weight:500;background:var(--brand-surface-elevated);border:1px solid var(--brand-border);border-radius:4px;padding:1px 6px;color:var(--brand-text-secondary)}.demo-scenario{display:flex;height:100dvh;overflow:hidden}.demo-scenario--plain{flex-direction:column}.demo-scenario-nav{display:flex;align-items:center;gap:16px;padding:12px 20px;background:var(--brand-surface);border-bottom:1px solid var(--brand-border);flex-shrink:0}.demo-scenario-nav-title{font-size:14px;font-weight:600;color:var(--brand-text-secondary)}.entity-rail{width:280px;flex-shrink:0;background:var(--brand-surface);border-right:1px solid var(--brand-border);display:flex;flex-direction:column;overflow:hidden}.entity-rail-header{padding:16px;border-bottom:1px solid var(--brand-border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.entity-rail-brand{display:flex;align-items:center;gap:10px}.entity-rail-brand-text{display:flex;flex-direction:column;gap:1px}.entity-rail-title{font-size:14px;font-weight:600}.entity-rail-subtitle{font-size:11px;color:var(--brand-text-secondary)}.entity-list-label{padding:12px 16px 6px;font-size:.72rem;color:var(--brand-text-secondary);text-transform:uppercase;letter-spacing:.05em;flex-shrink:0}.entity-list{flex:1;overflow-y:auto;padding:4px 8px;display:flex;flex-direction:column;gap:4px}.entity-card{display:flex;flex-direction:column;gap:6px;width:100%;text-align:left;background:none;border:1px solid transparent;border-radius:var(--brand-radius-sm);padding:10px 12px;cursor:pointer;transition:background .12s,border-color .12s;color:var(--brand-text)}.entity-card:hover{background:var(--brand-surface-elevated);border-color:var(--brand-border)}.entity-card--selected{background:var(--brand-surface-elevated);border-color:var(--brand-primary)}.entity-card-name{font-size:.88rem;font-weight:500}.entity-card-footer{display:flex;align-items:center;justify-content:space-between;gap:6px}.entity-card-id{font-size:.72rem;color:var(--brand-text-secondary);font-family:var(--brand-font-mono);letter-spacing:.02em}.status-badge{font-size:.68rem;font-weight:500;border-radius:4px;padding:1px 6px;flex-shrink:0}.status-badge--active{background:color-mix(in srgb,var(--brand-success) 15%,transparent);color:var(--brand-success);border:1px solid color-mix(in srgb,var(--brand-success) 35%,transparent)}.status-badge--under_review{background:color-mix(in srgb,var(--brand-warning) 15%,transparent);color:var(--brand-warning);border:1px solid color-mix(in srgb,var(--brand-warning) 35%,transparent)}.entity-context-footer{padding:12px 16px;border-top:1px solid var(--brand-border);display:flex;align-items:center;gap:8px;flex-shrink:0}.trust-badge{font-size:.72rem;font-weight:600;border-radius:4px;padding:2px 7px;flex-shrink:0}.trust-badge--t1{background:var(--brand-surface-elevated);color:var(--brand-text-secondary);border:1px solid var(--brand-border)}.trust-badge--t2{background:color-mix(in srgb,var(--brand-accent) 15%,transparent);color:var(--brand-accent);border:1px solid color-mix(in srgb,var(--brand-accent) 35%,transparent)}.trust-badge--t3{background:color-mix(in srgb,var(--brand-success) 15%,transparent);color:var(--brand-success);border:1px solid color-mix(in srgb,var(--brand-success) 35%,transparent)}.trust-badge-hint{font-size:.7rem;color:var(--brand-text-secondary)}.demo-scenario-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.demo-scenario-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:48px 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