:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#17201a;background:#f6f7f4;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body,#app{height:100%}*{box-sizing:border-box}body{margin:0;min-width:320px;overflow:hidden}button,input{font:inherit}button{border:0}.shell{display:grid;grid-template-columns:minmax(260px,320px) minmax(0,1fr);height:100vh;min-height:0;overflow:hidden}.sidebar{display:flex;flex-direction:column;gap:28px;min-height:0;border-right:1px solid #d8ded5;background:#fff;padding:28px;overflow:hidden}.brand{display:flex;gap:14px;align-items:flex-start}.brand svg{color:#0f766e;flex:0 0 auto}h1,h2,h3,p{margin:0}.brand h1,.chat-header h2{font-size:22px;line-height:1.2}.brand p,.chat-header p,.tool-item span{color:#607064;font-size:14px;line-height:1.5}.tool-section{display:flex;flex-direction:column;flex:1;gap:12px;min-height:0}.tool-section h2{font-size:13px;letter-spacing:0;text-transform:uppercase;color:#4b5f52}.tool-list{display:grid;align-content:start;gap:10px;min-height:0;overflow-y:auto;padding-right:4px}.tool-item{display:flex;gap:10px;align-items:flex-start;border:1px solid #d8ded5;border-radius:8px;padding:12px;background:#fbfcfa}.tool-item svg{color:#2563eb;flex:0 0 auto;margin-top:2px}.tool-item>div{min-width:0}.tool-item strong{display:block;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto auto;gap:16px;min-width:0;min-height:0;overflow:hidden;padding:20px 28px 28px}.tabs{display:flex;gap:8px;align-items:center;min-width:0;overflow-x:auto;border-bottom:1px solid #d8ded5;padding-bottom:12px}.tab{display:grid;grid-template-columns:minmax(90px,180px) 30px;align-items:center;min-width:140px;border:1px solid #d8ded5;border-radius:8px;background:#fff}.tab.active{border-color:#0f766e;box-shadow:0 0 0 3px #0f766e1a}.tab.ready .tab-select svg{color:#0f766e}.tab-select{display:flex;gap:8px;align-items:center;min-width:0;height:36px;background:transparent;color:#17201a;cursor:pointer;padding:0 10px}.tab-select span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tab-close,.icon-button{display:grid;place-items:center;color:#607064;background:transparent;cursor:pointer}.tab-close{width:30px;height:30px}.tab-close:hover,.icon-button:hover{color:#a33624}.icon-button{width:36px;height:36px;border:1px solid #d8ded5;border-radius:8px;background:#fff;flex:0 0 auto}.chat-header{display:flex;align-items:center;justify-content:space-between}.messages{display:flex;flex-direction:column;gap:14px;min-height:0;overflow-y:auto;padding-right:4px}.empty-state{display:flex;gap:10px;align-items:center;max-width:460px;border:1px dashed #b7c4bc;border-radius:8px;background:#fff;padding:16px;color:#4b5f52}.empty-state svg{color:#0f766e;flex:0 0 auto}.message{display:block;width:min(860px,100%)}.message.user{width:fit-content;max-width:min(680px,86%);margin-left:auto}.message-content{width:100%;align-self:start;border:1px solid #cfdad3;border-radius:12px;background:#fff;padding:16px;color:#17201a;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:0 8px 24px #19372612}.message.user .message-content{border-color:#c9d6f3;border-radius:12px;background:#f5f8ff;padding:11px 13px;box-shadow:none}.loading-message{display:flex;gap:9px;align-items:center;color:#607064}.markdown-body{white-space:normal}.markdown-body>:first-child{margin-top:0}.markdown-body>:last-child{margin-bottom:0}.markdown-body p,.markdown-body ul,.markdown-body ol,.markdown-body pre,.markdown-body blockquote{margin:0 0 10px}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin:0 0 8px;color:#17201a;line-height:1.3}.markdown-body h1{font-size:20px}.markdown-body h2{font-size:18px}.markdown-body h3{font-size:16px}.markdown-body ul,.markdown-body ol{padding-left:20px}.markdown-body code{border-radius:5px;background:#edf2ef;padding:1px 5px;font-size:.92em}.markdown-body pre{overflow:auto;border-radius:8px;background:#17201a;padding:10px;color:#f6f7f4}.markdown-body pre code{background:transparent;padding:0;color:inherit}.markdown-body hr{border:0;border-top:1px solid #d8ded5;margin:10px 0}.tool-call-message{width:min(860px,100%);align-items:start}.tool-call-body{min-width:0;border:1px solid #d8ded5;border-radius:8px;background:#fff;padding:8px 10px}.tool-call-toggle{display:flex;gap:8px;align-items:center;justify-content:space-between;width:100%;min-width:0;background:transparent;color:inherit;cursor:pointer;padding:0;text-align:left}.tool-call-toggle svg{flex:0 0 auto;color:#0f766e}.tool-call-toggle strong{flex:1 1 auto;min-width:0;color:#17201a;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tool-call-toggle time{flex:0 0 auto;color:#607064;font-size:12px}.tool-call-body pre{max-height:140px;overflow:auto;margin:8px 0 0;border-top:1px solid #d8ded5;padding-top:8px;color:#334238;font-size:12px;line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere}.error{border:1px solid #f0b7ad;border-radius:8px;background:#fff7f5;padding:10px 12px;color:#a33624}.error.compact{font-size:13px}.composer{display:grid;grid-template-columns:minmax(0,1fr) 44px 44px;gap:10px;border-top:1px solid #d8ded5;padding-top:16px}.composer.session-start{grid-template-columns:minmax(0,1fr) 44px}.composer input{width:100%;min-height:44px;border:1px solid #cfd8d1;border-radius:8px;background:#fff;padding:0 14px;color:#17201a;outline:none}.composer input:focus{border-color:#0f766e;box-shadow:0 0 0 3px #0f766e24}.composer button{display:grid;place-items:center;width:44px;height:44px;border-radius:8px;background:#0f766e;color:#fff;cursor:pointer}.composer.session-start button{background:#2563eb}.composer .voice-button{border:1px solid #cfd8d1;background:#fff;color:#0f766e}.composer .voice-button.recording{border-color:#f0b7ad;background:#fff7f5;color:#a33624}.composer button:disabled{cursor:not-allowed;opacity:.55}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:820px){.shell{grid-template-columns:1fr;grid-template-rows:minmax(180px,34vh) minmax(0,1fr)}.sidebar{border-right:0;border-bottom:1px solid #d8ded5;gap:16px;padding:18px 20px}.workspace{min-height:0;padding:16px 20px 20px}}
