*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}:root{--bg:#fafaf7;--surface:#fff;--surface-2:#f4efe5;--text-primary:#111114;--text-secondary:#62666f;--text-tertiary:#7d8087;--accent:#0b0b0c;--accent-soft:#f4e7c1;--gold:#c9a227;--gold-dark:#9a741e;--charcoal:#171717;--hairline:#0000001a;--hairline-strong:#00000029;--dark-hairline:#ffffff1f;--link:#9a741e;--danger:#b91c1c;--success:#166534;--radius-s:8px;--radius-m:14px;--radius-l:20px;--sans:-apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--mono:ui-monospace, "SF Mono", SFMono-Regular, Consolas, 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0}.account-modal-section:first-of-type{border-top:none;padding-top:0}.account-modal-section:last-child{padding-bottom:0}.account-modal-section h2{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin:0 0 10px;font-size:12px;font-weight:700}.account-modal-section p,.account-modal-section ul{color:var(--text-secondary);margin:8px 0 0;font-size:13px;line-height:1.5}.account-modal-section ul{padding-left:18px}.account-modal-section li{margin-bottom:4px}.auth-app{background:linear-gradient(180deg, #0b0b0cf5 0, #0b0b0cf5 58px, transparent 58px), radial-gradient(circle at 50% -18%, #c9a22729, #c9a22700 38%), var(--bg)}.auth-header{color:#fff;border-bottom:1px solid var(--dark-hairline);background:#0b0b0cf0}.auth-header .header h1,.auth-header h1{color:#fff}.auth-header p,.auth-header-note{color:#ffffffad}.auth-header-note{font-size:12px;font-weight:700}.auth-container{place-items:center;padding:clamp(28px,7vw,72px) 16px 24px;display:grid}.auth-card{border:1px solid var(--hairline);border-radius:var(--radius-l);text-align:left;background:#fffffff5;width:100%;max-width:430px;margin:0 auto;padding:clamp(24px,4vw,34px);position:relative;overflow:hidden;box-shadow:0 24px 70px #11111426}.auth-card:before{content:"";background:var(--gold);height:4px;position:absolute;inset:0 26px auto}.auth-brand-block{grid-template-columns:72px 1fr;align-items:center;gap:18px;margin-bottom:28px;display:grid}.auth-brand-block.compact{grid-template-columns:58px 1fr;gap:14px;margin-bottom:22px}.auth-logo{border:1px solid var(--hairline);border-radius:var(--radius-s);object-fit:contain;background:#fff;width:72px;height:72px}.auth-brand-block.compact .auth-logo{width:58px;height:58px}.message-label{text-transform:uppercase;letter-spacing:.1em;color:var(--gold-dark);margin-bottom:8px;font-size:11px;font-weight:900}.auth-card h2{color:var(--text-primary);letter-spacing:0;margin:0;font-size:clamp(1.35rem,3vw,1.78rem);line-height:1.08}.auth-card 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.message-box{background:var(--accent);color:#fff;border-bottom-right-radius:var(--radius-s);border:none;max-width:75%}.message-markdown{white-space:normal;line-height:1.65}.message-markdown h1{color:var(--text-primary);border-bottom:1px solid var(--hairline);margin:0 0 10px;padding-bottom:6px;font-size:1.2em;font-weight:700}.message-markdown h2{color:var(--text-primary);text-transform:uppercase;letter-spacing:.03em;margin:14px 0 4px;font-size:1em;font-weight:700}.message-markdown p{margin:0 0 8px}.message-markdown ul,.message-markdown ol{margin:4px 0 8px;padding-left:20px}.message-markdown li{margin-bottom:4px}.message-markdown strong{color:var(--text-primary);font-weight:700}.message-markdown em{color:var(--text-secondary);font-style:italic}.message-markdown hr{border:none;border-top:1px solid var(--hairline);margin:12px 0}.message-markdown code{background:var(--surface-2);font-size:.88em;font-family:var(--mono);border-radius:4px;padding:1px 5px}.sources{border-top:1px solid var(--hairline);color:var(--text-secondary);text-align:left;margin-top:12px;padding-top:10px;font-size:12px}.sources strong{text-transform:uppercase;letter-spacing:.04em;color:var(--text-tertiary);margin-bottom:5px;font-size:11px;font-weight:600;display:block}.sources ol{margin:5px 0 0;padding-left:18px}.sources a{color:var(--link);word-break:break-word;text-decoration:underline}.sources a:hover{color:#1e3a8a}.source-chips{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.source-chip{border:1px solid var(--hairline-strong);color:var(--text-secondary);white-space:nowrap;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:500;display:inline-block}a.source-chip{color:var(--link);cursor:pointer;border-color:#1d4ed866;text-decoration:none;transition:background .15s,border-color .15s}a.source-chip:hover{background:var(--accent-soft);border-color:var(--link)}.source-list{margin-top:8px}.source-list-item{margin-bottom:6px;line-height:1.45}.source-list-item a{color:var(--link);word-break:break-word;cursor:pointer;text-decoration:underline}.source-list-item span{color:var(--text-secondary);word-break:break-word}.educational-sources{border-top:1px solid var(--hairline);text-align:left;margin-top:12px;padding-top:10px}.educational-sources-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;font-size:11px;font-weight:600;display:block}.educational-source-chips{flex-wrap:wrap;gap:6px;display:flex}.educational-source-chip{border:1px solid var(--hairline-strong);background:var(--surface);color:var(--text-secondary);cursor:pointer;white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:11.5px;font-weight:500;text-decoration:none;transition:background .15s,border-color 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textarea{resize:none;min-width:0;color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;max-height:160px;padding:8px 0;font-family:inherit;font-size:15px;line-height:1.45}.input-box textarea::placeholder{color:var(--text-tertiary)}.send-button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:50%;flex:none;place-items:center;width:36px;height:36px;transition:background .15s,opacity .15s;display:grid}.send-button:hover:not(:disabled){opacity:.9}.send-button:disabled{background:var(--surface-2);color:var(--text-tertiary);cursor:default}.send-spinner{border:2px solid var(--hairline-strong);border-top-color:var(--text-secondary);border-radius:50%;width:14px;height:14px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.footer{padding:6px 16px calc(6px + env(safe-area-inset-bottom));text-align:center;background:var(--bg);color:var(--text-tertiary);flex:none;justify-content:center;align-items:center;font-size:11px;display:flex}.auth-footer{color:#ffffff94;background:var(--charcoal);border-top:1px solid var(--dark-hairline)}.auth-footer strong{color:#f4e7c1db}.typing-status{max-width:min(68vw,360px);color:var(--text-secondary);white-space:normal;overflow-wrap:anywhere;padding:2px 0;font-size:14px;line-height:1.45;animation:1s ease-in-out typing-status-fade;display:inline-block}@keyframes typing-status-fade{0%{opacity:.55}to{opacity:1}}.trust-banner{border-radius:var(--radius-s);border:1px solid var(--hairline-strong);background:var(--surface-2);text-align:left;margin-top:10px;margin-bottom:4px;padding:10px 12px}.trust-banner-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.trust-banner-marker{background:var(--surface);border:1px solid var(--hairline-strong);width:18px;min-width:18px;height:18px;color:var(--text-secondary);border-radius:999px;justify-content:center;align-items:center;font-size:11px;font-weight:700;line-height:1;display:inline-flex}.trust-banner-label{color:var(--text-primary);font-size:12.5px;font-weight:600}.trust-banner-secondary{color:var(--text-secondary);border:1px solid var(--hairline-strong);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:500}.trust-banner-review-tag{text-transform:uppercase;letter-spacing:.03em;color:var(--gold-dark);border:1px solid var(--gold-dark);background:var(--accent-soft);border-radius:999px;padding:2px 8px;font-size:10.5px;font-weight:700}.trust-banner-description{color:var(--text-secondary);margin:6px 0 0;font-size:12px;line-height:1.5}.trust-banner-critical{border-color:var(--danger);background:color-mix(in srgb, var(--danger) 8%, var(--surface))}.trust-banner-critical .trust-banner-marker{color:var(--danger);border-color:var(--danger)}.trust-banner-warning{border-color:var(--gold-dark);background:var(--accent-soft)}.trust-banner-warning .trust-banner-marker{color:var(--gold-dark);border-color:var(--gold-dark)}.trust-banner-info{border-color:var(--hairline-strong);background:var(--surface-2)}.trust-banner-positive{border-color:var(--success);background:color-mix(in srgb, var(--success) 7%, var(--surface))}.trust-banner-positive .trust-banner-marker{color:var(--success);border-color:var(--success)}.source-trust-qualifier{text-transform:none;color:var(--text-secondary);letter-spacing:0;font-weight:500}@media (width<=600px){.trust-banner{padding:9px 10px}.trust-banner-label{font-size:12px}.trust-banner-description{font-size:11.5px}.header{min-height:56px}.auth-header-note{display:none}.brand-logo-small{width:34px;height:34px}.auth-container{align-items:start;padding-top:24px}.auth-brand-block,.auth-brand-block.compact{grid-template-columns:56px 1fr}.auth-logo,.auth-brand-block.compact .auth-logo{width:56px;height:56px}.auth-card{padding:24px 18px}.chat-container{padding:16px 12px 8px}.message-row{gap:8px;margin-bottom:14px}.message-row.user .message-box{max-width:85%}.message-box{padding:11px 14px}.input-container{padding:6px 10px 0}.footer{padding-top:5px;font-size:10px}}@media (prefers-reduced-motion:reduce){.typing-status{animation:none}.send-spinner{animation-duration:1.6s}.input-box,.send-button,.source-chip,.educational-source-chip{transition:none}}