:root{color-scheme:light;--ink:#172033;--muted:#5b6577;--line:#d9e0ea;--surface:#f7f9fc;--panel:#ffffff;--accent:#0f766e;--accent-dark:#115e59;--warning:#8a5a00}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#eef5f7 0%,#f8fafc 45%,#edf2ff 100%);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.panel-shell{max-width:1120px;margin:0 auto;padding:20px 24px 24px}.landing-shell{max-width:1180px;margin:0 auto;padding:40px 32px}.hero,.landing-hero,.answer-card,.source-card,.info-panel,.workflow-strip article{background:rgba(255,255,255,0.9);border:1px solid var(--line);border-radius:20px;box-shadow:0 20px 50px rgba(23,32,51,0.08)}.hero{display:grid;gap:10px;padding:16px 18px}.evidence-mode-hint{color:var(--muted);font-size:0.8125rem;line-height:1.45;margin:0}.landing-hero{padding:32px}.hero-control-row{align-items:center;display:flex;gap:12px;justify-content:space-between;width:100%}.hero-actions{align-items:center;display:flex;flex-wrap:nowrap;gap:10px;justify-content:flex-start;width:100%}.landing-hero{min-height:430px;display:flex;flex-direction:column;justify-content:center}.eyebrow{color:var(--accent-dark);font-size:13px;font-weight:700;letter-spacing:0.12em;margin:0 0 12px;text-transform:uppercase}.panel-greeting{color:var(--accent-dark);font-size:12px;font-weight:700;letter-spacing:0.12em;line-height:1.2;margin:0;max-width:none;text-transform:uppercase;white-space:nowrap}.hero-actions .panel-greeting{margin-right:auto}.panel-kicker{color:var(--muted);font-size:13px;font-weight:800;letter-spacing:0.12em;margin:0 0 8px;text-transform:uppercase}h1,h2{margin:0}h1{font-size:clamp(32px,6vw,64px);letter-spacing:-0.06em;line-height:0.98;max-width:760px}h2{font-size:18px}.lede{color:var(--muted);font-size:18px;line-height:1.6;max-width:780px}.subhead{color:var(--ink);font-size:20px;font-weight:700;margin:8px 0 12px}#correlation-id{background:var(--surface);border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;padding:8px 12px}.primary-button,.chat-row button,.primary-link{background:var(--accent);border:0;border-radius:12px;color:white;cursor:pointer;font-weight:700;padding:12px 16px;text-decoration:none}.primary-button:hover,.chat-row button:hover,.primary-link:hover{background:var(--accent-dark)}.landing-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.secondary-link{border:1px solid var(--line);border-radius:12px;color:var(--ink);font-weight:700;padding:12px 16px;text-decoration:none}.secondary-link:hover,.link-list a:hover{color:var(--accent-dark)}.single-window-link{background:rgba(255,255,255,0.74)}.hero-actions .primary-button,.hero-actions .secondary-link{padding:10px 14px}.workflow-strip,.landing-grid{display:grid;gap:16px;margin-top:16px}.workflow-strip{grid-template-columns:repeat(4,minmax(0,1fr))}.workflow-strip article,.info-panel{padding:22px}.workflow-strip span{align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:999px;color:var(--accent-dark);display:inline-flex;font-weight:800;height:32px;justify-content:center;margin-bottom:14px;width:32px}.workflow-strip p,.info-panel li{color:var(--muted);line-height:1.5}.landing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.link-list a{color:var(--accent);font-weight:700}.status-strip{border:1px solid rgba(138,90,0,0.24);border-radius:14px;color:var(--warning);margin:16px 0;padding:12px 14px}.mode-note{color:var(--muted);line-height:1.5;margin:0 0 20px}.quick-prompts{display:grid;gap:6px;grid-template-columns:repeat(4,minmax(0,1fr));margin:0}.quick-prompts button{background:#e7f4f1;border:1px solid rgba(15,118,110,0.22);border-radius:999px;color:var(--accent-dark);cursor:pointer;font-family:"Arial Narrow","Roboto Condensed","Aptos Narrow",ui-sans-serif,system-ui,sans-serif;font-size:14px;font-weight:700;line-height:1.1;min-width:0;padding:7px 8px;white-space:nowrap}.quick-prompts button:hover{background:#d6ede8}.workspace{align-items:start;display:grid;gap:16px;grid-template-columns:minmax(0,1.7fr) minmax(320px,0.9fr)}.primary-column,.conversation-column{display:grid;gap:16px}.answer-card,.interaction-card,.conversation-card,.source-card{padding:24px}.interaction-card,.conversation-card{background:rgba(255,255,255,0.9);border:1px solid var(--line);border-radius:20px;box-shadow:0 20px 50px rgba(23,32,51,0.08)}.conversation-column{display:grid;min-height:100%}.section-heading{align-items:center;display:flex;justify-content:space-between;gap:12px;margin-bottom:16px}.section-toggle{align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--ink);cursor:pointer;display:flex;font:inherit;font-size:18px;font-weight:700;justify-content:space-between;padding:12px 14px;width:100%}.section-toggle:focus-visible{outline:3px solid rgba(15,118,110,0.28);outline-offset:2px}.toggle-indicator{align-items:center;color:var(--accent);display:inline-flex;font-size:13px;font-weight:700;gap:8px}.toggle-icon{border:1px solid var(--line);border-radius:999px;display:inline-grid;height:22px;place-items:center;width:22px}.source-card.is-collapsed .section-heading{margin-bottom:0}.source-card.is-collapsed 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strong{color:var(--accent-dark);display:block;font-size:13px;margin-bottom:4px}.history-turn p,.empty-state{color:var(--muted);line-height:1.45;margin:0}.followups{margin-top:14px;padding:0}.chips{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 18px}.chips button{background:var(--surface);border:1px solid var(--line);border-radius:999px;color:var(--ink);cursor:pointer;font-family:"Arial Narrow","Roboto Condensed","Aptos Narrow",ui-sans-serif,system-ui,sans-serif;font-size:14px;font-weight:700;line-height:1.15;padding:7px 9px}label{color:var(--muted);display:block;font-size:14px;margin-bottom:8px}.chat-row{display:flex;gap:8px}.chat-row input{border:1px solid var(--line);border-radius:12px;flex:1;font-size:16px;padding:12px}@media (max-width:840px){.panel-shell{padding:16px}.workspace{grid-template-columns:1fr}.workflow-strip,.landing-grid{grid-template-columns:1fr}.quick-prompts{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{align-items:stretch}.hero-control-row{align-items:stretch;flex-direction:column}.panel-greeting{white-space:normal}.section-heading,.chat-row{align-items:stretch;flex-direction:column}}