:root{--background:#f7f4ed;--surface:#fffaf0;--panel:#fff;--ink:#1f1d1a;--muted:#6f6a60;--border:#ded6c8;--teal:#087f8c;--coral:#d9574f;--gold:#e4aa24;--plum:#7a4e8a;--green:#3f7d55;--slate:#56616c;--shadow:0 18px 45px #1f1d1a14}*{box-sizing:border-box}html{background:var(--background);min-height:100%}body{min-height:100svh;color:var(--ink);background:linear-gradient(180deg, #fffaf0db, #f7f4edfa), var(--background);letter-spacing:0;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow-x:hidden}button,input,textarea{font:inherit}button{cursor:pointer;border:0;min-height:44px}button svg{flex:none}button:disabled{cursor:not-allowed;opacity:.6}input,textarea{border:1px solid var(--border);width:100%;color:var(--ink);background:#fff;border-radius:8px;outline:none}input{min-height:46px;padding:0 12px}textarea{resize:vertical;padding:12px}input:focus,textarea:focus,button:focus-visible{outline-offset:2px;outline:3px solid #087f8c33}.app-shell{width:min(100%,1120px);max-width:1120px;height:100svh;min-height:100svh;padding:18px 16px max(14px, env(safe-area-inset-bottom));grid-template-rows:auto auto auto minmax(0,1fr) auto;margin:0 auto;display:grid;overflow:hidden}.topbar{grid-row:1;justify-content:space-between;align-items:center;gap:16px;padding:8px 0 16px;display:flex}.topbar>div:first-child{min-width:0}.topbar h1,.setup-panel h1,.empty-state h2,.thread-header h2{letter-spacing:0;margin:0;line-height:1.08}.topbar h1{font-size:clamp(1.8rem,7vw,3.3rem)}.eyebrow{color:var(--teal);letter-spacing:0;text-transform:uppercase;margin:0 0 4px;font-size:.78rem;font-weight:800}.topbar-actions{flex:0 auto;align-items:center;gap:8px;min-width:0;display:inline-flex}.topbar-profile{border:1px solid var(--border);min-width:0;max-width:46vw;color:var(--muted);background:#ffffffb8;border-radius:999px;flex:0 auto;align-items:center;gap:8px;padding:6px 8px 6px 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10px}.chat-layout{min-height:0}.thread-panel{grid-template-rows:auto minmax(220px,1fr) auto}.message-bubble{max-width:88%}.composer{grid-template-columns:minmax(0,1fr) 44px;gap:6px;padding:8px}.post-composer,.post-card,.profile-editor{padding:10px}.person-row{grid-template-columns:auto minmax(0,1fr) 44px;gap:10px;padding:10px}.color-swatch{width:34px;height:34px;min-height:34px}.setup-panel{padding:18px}}