:root{color-scheme:light;--ink:#19343b;--muted:#75878b;--accent:#1e5a61;--line:#e1e9e9;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:#edf2f2;color:var(--ink)}
*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden}body{display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 12% 10%,#e0ebea,transparent 55%),radial-gradient(ellipse at 90% 90%,#e5e9ec,transparent 55%)}button,textarea,select{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default}button:focus-visible,select:focus-visible,.conversation:focus-visible{outline:3px solid #3f969b;outline-offset:3px}button[hidden],[hidden]{display:none!important}
.shell{width:min(1060px,calc(100% - 48px));height:calc(var(--app-height,100dvh) - 48px);display:flex;flex-direction:column;background:#fcfdfd;border:1px solid #fff;border-radius:24px;box-shadow:0 16px 70px #1e414710;overflow:hidden}.topbar{flex:none;min-height:86px;padding:16px 32px;display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line);background:#fcfdfdf5}.brand{display:flex;gap:12px;align-items:center;font-size:17px}.brand strong{font-weight:650}.brand small{display:block;font-size:11px;color:var(--muted);margin-top:4px;letter-spacing:.6px}.brand-mark{height:40px;width:40px;display:grid;place-items:center;background:var(--ink);color:#e5f5ef;border-radius:14px;font-size:24px}.header-actions{display:flex;gap:20px;align-items:center}.status{display:flex;align-items:center;gap:7px;color:#7b8b8d;font-size:12px}.status-dot{width:6px;height:6px;border-radius:50%;background:#c28c45;box-shadow:0 0 0 4px #c28c4512}.status.ready .status-dot{background:#3b9a7b;box-shadow:0 0 0 4px #3b9a7b14}.status.error{color:#a24d48}.status.error .status-dot{background:#c5635a}.new-chat{border:1px solid #dbe5e5;background:#fff;color:#456068;border-radius:12px;padding:10px 13px;font-size:13px}.new-chat:hover{background:#eff5f3}
.conversation{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#ccd9d8 transparent;padding:32px 40px 36px;overflow-anchor:none}.welcome{width:min(100%,620px);margin:clamp(14px,5vh,72px) auto 20px;text-align:center}.welcome-icon{height:66px;width:66px;border:1px solid #dbe9e5;border-radius:23px;display:grid;place-items:center;font-size:36px;color:#2d6265;background:linear-gradient(145deg,#ecf5ef,#f4f8f8);box-shadow:0 7px 18px #2b5c5e07;margin:0 auto 22px}.eyebrow{color:#5f7d73;letter-spacing:2px;font-size:11px;margin-bottom:11px}.welcome h1{font-size:clamp(25px,3vw,34px);font-weight:600;letter-spacing:-.8px;margin:0 0 13px}.welcome p{max-width:480px;margin:0 auto 30px;color:#7b8a8f;font-size:13px;line-height:1.9}.suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;text-align:left}.suggestion{border:1px solid #e0e8e7;background:#fff;border-radius:16px;padding:18px 16px;display:flex;align-items:center;gap:12px;color:var(--ink);transition:background .15s,border-color .15s,transform .15s;text-align:left}.suggestion:hover{background:#f2f8f5;border-color:#afcbc4;transform:translateY(-2px)}.suggestion-icon{width:33px;height:33px;display:grid;place-items:center;background:#eff4f1;border-radius:10px;color:#68897f;font-size:21px;flex:none}.suggestion strong{display:block;font-size:13px;font-weight:550}.suggestion small{display:block;margin-top:5px;font-size:11px;line-height:1.6;color:#738781}.suggestion-arrow{margin-left:auto;color:#94aaa5;font-size:17px}
.messages{max-width:740px;margin:auto;display:flex;flex-direction:column;gap:30px}.message{display:flex;gap:12px;align-items:flex-start}.avatar{height:31px;width:31px;display:grid;place-items:center;border-radius:11px;flex:none;font-size:15px}.assistant .avatar{background:var(--ink);color:#d7eee7}.user .avatar{background:#e7efed;color:#4c7369}.message-content{min-width:0;max-width:calc(100% - 43px);flex:1}.role{font-size:11px;color:#738781;margin:1px 0 9px}.bubble{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85;font-size:15px;color:#2a3e45}.user .message-content{flex:initial}.user .bubble{background:#edf3f0;padding:13px 18px;border:1px solid #e7eeea;border-radius:4px 18px 18px 18px}.message.user{justify-content:flex-end}.user .avatar{order:2}.user .role{text-align:right}.message.failed .bubble{color:#b0524c}.message-actions{display:none;gap:8px;margin-top:12px}.message.complete .message-actions{display:flex}.copy-answer{background:transparent;border:1px solid #e1e9e8;border-radius:8px;padding:5px 9px;font-size:11px;color:#80928e;min-height:30px}.copy-answer:hover{color:#325c54;background:#f2f6f3}.typing{color:#849995;animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{50%{opacity:.45}}
.composer-wrap{flex:none;width:min(100%,820px);padding:0 30px 20px;margin:auto;position:relative;background:linear-gradient(#fcfdfd00,#fcfdfd 25%)}.jump-wrap{position:absolute;top:-48px;left:0;width:100%;display:flex;justify-content:center;pointer-events:none}#latest{pointer-events:auto;background:#fff;border:1px solid #dbe5e2;border-radius:24px;box-shadow:0 4px 18px #254c4310;padding:9px 17px;color:#3d6961;font-size:12px}.voice-panel{display:flex;align-items:center;gap:8px;margin:0 4px 9px;min-height:28px;color:#64796f}.voice-orb{display:flex;gap:2px;align-items:center;justify-content:center;height:24px;width:24px;border-radius:50%;background:#eef4f1;flex:none}.voice-orb i{display:block;width:2px;height:7px;background:#8ca79d;border-radius:2px}.voice-orb i:nth-child(2){height:12px}.voice-status{font-size:11px;line-height:1.6}.voice-panel[data-active="true"]{color:#2f7266}.voice-panel[data-active="true"] .voice-orb{background:#e5f3ec}.voice-panel[data-active="true"][data-state="listening"] .voice-orb i{animation:listen 1.2s ease-in-out infinite}.voice-orb i:nth-child(2){animation-delay:.15s!important}.voice-orb i:nth-child(3){animation-delay:.3s!important}@keyframes listen{50%{transform:scaleY(.4)}}
.composer{border:1px solid #d8e4df;border-radius:22px;background:#fff;box-shadow:0 5px 25px #294e4308;overflow:hidden;transition:border-color .2s,box-shadow .2s}.composer:focus-within{border-color:#80afa1;box-shadow:0 0 0 3px #6aa78b12,0 5px 25px #294e4308}textarea{display:block;width:100%;min-height:65px;max-height:160px;resize:none;border:0;outline:0;padding:19px 20px 10px;font-family:inherit;font-size:16px;line-height:1.6;color:var(--ink);background:transparent}textarea::placeholder{color:#a2b0ab}textarea:disabled{color:#80908d}.composer-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:2px 12px 12px 18px;flex-wrap:wrap}.settings{display:flex;align-items:center;gap:5px;color:#74867f;font-size:11px;flex:1 1 110px}.settings select{font:inherit;color:#6d837a;background:transparent;border:0;padding:7px 0}.send-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.send{height:39px;width:39px;border:0;border-radius:13px;background:var(--accent);color:white;font-size:25px;line-height:1;flex:none}.send:hover{background:#174a50}.send:disabled{opacity:.4}.voice-toggle{padding:9px 13px;min-height:39px;font-size:12px;color:#43675c;background:#f2f7f3;border:1px solid #e3ebe6;border-radius:13px;white-space:nowrap}.voice-toggle:hover{background:#e8f1ea}.voice-toggle[aria-pressed="true"]{color:#a65349;background:#fff1ed;border-color:#f0d9d1}.voice-interrupt,.stop-generation{min-height:39px;font-size:12px;padding:8px 11px;border:1px solid #edddc5;border-radius:12px;color:#9a7540;background:#fff8ed;white-space:nowrap}.stop-generation{color:#7d6860;border-color:#e8dfd9;background:#f8f4f0}.underbar{display:flex;justify-content:space-between;gap:12px;font-size:10px;color:#75837d;margin:11px 5px 0;line-height:1.6}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:700px){body{background:#fcfdfd}.shell{height:var(--app-height,100dvh);width:100%;border:0;border-radius:0;box-shadow:none}.topbar{min-height:72px;padding:12px 17px}.brand{font-size:15px;gap:9px}.brand-mark{height:35px;width:35px;border-radius:12px}.header-actions{gap:11px}.status{font-size:10px}.new-chat{padding:8px 10px;font-size:12px}.conversation{padding:25px 18px 30px}.welcome{margin:5vh auto 15px}.welcome h1{font-size:25px}.welcome p{font-size:12px;margin-bottom:23px}.suggestion{padding:15px 12px;gap:9px}.suggestion-icon{width:28px;height:28px;font-size:18px}.suggestion small{font-size:10px}.suggestion strong{font-size:12px}.composer-wrap{padding:0 12px max(12px,env(safe-area-inset-bottom))}.underbar #input-hint{display:none}.composer-actions{padding-left:14px;gap:7px}.messages{gap:27px}.bubble{font-size:15px}.voice-status{font-size:10px}.voice-toggle{padding:8px 11px}.voice-interrupt{padding:8px}.settings{flex-basis:95px}}
@media(max-width:380px){.brand small{display:none}.new-chat span{display:none}.status{max-width:95px}.suggestions{gap:8px}.suggestion small{display:none}.suggestion{gap:6px;padding:14px 10px}.suggestion-arrow{display:none}.send-actions{gap:5px}.voice-toggle{padding:8px}.settings{flex-basis:100%}.composer-actions{gap:3px}.voice-panel{margin-bottom:5px}.welcome-icon{height:54px;width:54px;font-size:30px;margin-bottom:16px}.welcome{margin-top:2vh}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Readable model Markdown, including mobile tables and long code. */
.bubble.formatted{white-space:normal;line-height:1.85}.formatted>:first-child{margin-top:0}.formatted>:last-child{margin-bottom:0}.formatted p{margin:0 0 14px}.formatted h1,.formatted h2,.formatted h3,.formatted h4,.formatted h5,.formatted h6{color:#15395f;font-weight:650;line-height:1.5;margin:25px 0 12px}.formatted h1{font-size:23px}.formatted h2{font-size:21px}.formatted h3{font-size:18px}.formatted h4,.formatted h5,.formatted h6{font-size:16px}.formatted strong{font-weight:700}.formatted ul,.formatted ol{padding-left:25px;margin:10px 0 18px}.formatted li{padding-left:3px;margin:7px 0}.formatted li p{margin:5px 0}.formatted blockquote{margin:16px 0;padding:8px 15px;border-left:3px solid #90acc6;background:#f3f6fa;color:#53677d}.formatted code{font:13px/1.7 ui-monospace,Menlo,monospace;background:#edf2f7;border-radius:5px;padding:2px 5px;white-space:pre-wrap}.formatted pre{overflow-x:auto;max-width:100%;padding:15px;background:#152a40;color:#e5edf8;border-radius:12px;white-space:pre}.formatted pre code{background:none;color:inherit;padding:0;white-space:pre}.formatted table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:16px 0;font-size:14px}.formatted th,.formatted td{padding:9px 13px;border:1px solid #dce4ec;min-width:80px}.formatted th{background:#eff4f9;text-align:left}.formatted a{color:#22639d;text-decoration:underline;overflow-wrap:anywhere}.formatted hr{border:0;border-top:1px solid #e2e8ef;margin:22px 0}