:root{color-scheme:light;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f7f7f8;color:#202123}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f7f7f8}#app{--keyboard-offset: 0px}.shell{width:min(100%,980px);height:100vh;margin:0 auto;padding:20px 16px 24px;display:grid;gap:12px;grid-template-rows:auto minmax(0,1fr) auto}.shell-auth{place-items:center}.auth-card{width:min(100%,720px);padding:28px 24px;display:grid;gap:18px;border:1px solid #d9d9e3;border-radius:28px;background:#fff;box-shadow:0 14px 40px #2021231f}.auth-copy{margin:0;color:#6e6e80;font-size:22px;line-height:1.45}.auth-row{justify-content:center}.auth-pin-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}.auth-pin-digit{width:100%;min-height:72px;padding:0;border:1px solid #d9d9e3;border-radius:20px;outline:none;background:#f7f7f8;color:#202123;font-size:clamp(30px,4vw,40px);font-weight:700;text-align:center}.auth-pin-digit:focus{border-color:#202123;box-shadow:0 0 0 3px #2021231f}.auth-button{min-width:120px;height:56px;padding:0 18px;background:#202123;color:#fff;font-size:18px}.auth-meta{display:flex;gap:12px;align-items:center}.auth-error{text-align:left}.app-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.app-title{font-size:clamp(28px,3vw,34px);font-weight:700;letter-spacing:-.03em}.status-bar{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.status-pill{padding:8px 12px;border-radius:999px;border:1px solid #e5e5ea;background:#fff;color:#6e6e80;font-size:15px}.messages{display:flex;flex-direction:column;gap:8px;overflow-y:auto;min-height:0;padding:4px 0 12px;scroll-padding-bottom:24px}.message{width:100%}.message-shell{width:min(100%,860px);margin:0 auto;padding:18px 18px 20px;display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:flex-start;border-radius:22px}.message-assistant .message-shell{background:#fff}.message-user .message-shell{background:#f0f1f4}.message-avatar{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:#202123;color:#fff;font-size:15px;font-weight:700}.message-user .message-avatar{background:#d9d9e3;color:#202123}.message-role{margin-bottom:8px;color:#6e6e80;font-size:15px}.message-content{margin:0;display:grid;gap:12px;font-size:clamp(24px,3vw,34px);line-height:1.42;letter-spacing:-.01em;word-break:break-word}.message-content-text,.md-paragraph{margin:0}.md-heading{margin:0;letter-spacing:-.03em;line-height:1.18}.md-heading-2{font-size:clamp(28px,3.2vw,38px);font-weight:800}.md-heading-3{font-size:clamp(25px,3vw,34px);font-weight:760}.md-list,.md-blockquote .md-paragraph{margin:0}.md-list{padding-left:1.3em;display:grid;gap:8px}.md-list-item{padding-left:.08em}.md-blockquote{margin:0;padding:10px 0 10px 16px;border-left:4px solid #d9d9e3;color:#4d4d5f;background:#f7f7f8;border-radius:0 16px 16px 0}.md-inline-code{padding:.06em .32em;border-radius:8px;background:#ececf1;font-size:.88em;font-family:ui-monospace,SFMono-Regular,SF Mono,Consolas,monospace}.md-code-block{margin:0;padding:16px 18px;overflow-x:auto;border-radius:18px;background:#202123;color:#f7f7f8;font-size:clamp(18px,2.3vw,24px);line-height:1.5;font-family:ui-monospace,SFMono-Regular,SF Mono,Consolas,monospace}.md-code-block code{white-space:pre-wrap;word-break:break-word}.empty-state{width:min(100%,860px);margin:auto;padding:32px 24px;text-align:center}.empty-title{font-size:clamp(30px,4vw,42px);font-weight:700;letter-spacing:-.04em}.empty-copy{margin-top:12px;color:#6e6e80;font-size:20px}.composer{width:min(100%,860px);margin:0 auto;padding:10px 12px 12px;margin-bottom:var(--keyboard-offset);border:1px solid #d9d9e3;border-radius:28px;background:#fff;box-shadow:0 12px 36px #2021231f}.composer-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:end}.composer-input{width:100%;min-height:72px;max-height:168px;resize:none;border:0;outline:none;background:transparent;color:#202123;font-size:24px;line-height:1.45;padding:12px 10px 10px}.composer-input::placeholder{color:#8e8ea0}.icon-button{border:0;border-radius:999px;display:grid;place-items:center;padding:0}.send-icon-button{min-width:56px;height:56px;width:56px;padding:0;background:#202123;color:#fff;transition:opacity .12s ease,transform .12s ease,width .12s ease,min-width .12s ease,padding .12s ease}.send-icon-button-hidden{opacity:0;pointer-events:none;transform:scale(.96)}.icon-button:disabled{opacity:.45}.button-icon{width:22px;height:22px;display:block}.composer-actions{min-height:24px;margin-top:8px;display:flex;gap:10px;align-items:center;justify-content:space-between}.composer-tools{display:flex;align-items:center;gap:8px}.voice-tool-button{width:40px;height:40px;background:#ececf1;color:#202123}.secondary-button{min-width:120px;padding:10px 14px;border:1px solid #d9d9e3;border-radius:999px;background:#f7f7f8;color:#202123;font-size:16px}.error-text{flex:1;min-width:220px;text-align:right;color:#d63b3b;font-size:16px}#app.keyboard-active .shell{padding-bottom:14px}#app.keyboard-active .app-header{gap:10px}@media(max-width:720px){.shell{padding:14px 12px 20px}.app-header{flex-direction:column}.status-bar{justify-content:flex-start}.composer-row{grid-template-columns:minmax(0,1fr) auto}.auth-meta{flex-direction:column;align-items:flex-start}.send-icon-button{min-width:52px;width:52px;height:52px}.composer-actions{flex-direction:column;align-items:flex-start}.error-text{text-align:left}}