:root{--color-canary: #F5C518;--color-canary-light: #FFF3CD;--color-canary-dark: #D4A80E;--color-bg: #ffffff;--color-surface: #f7f8fa;--color-text: #1a1a2e;--color-text-light: #6b7280;--color-border: #e5e7eb;--color-user-bubble: #1a1a2e;--color-error: #dc2626;--color-error-bg: #fef2f2;--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--radius: 12px;--radius-sm: 8px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--max-chat-width: 800px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100%;max-width:var(--max-chat-width);margin:0 auto}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--color-bg);border-bottom:1px solid var(--color-border);flex-shrink:0}.chat-header__brand{display:flex;align-items:center;gap:12px}.chat-header__logo{width:40px;height:40px;border-radius:10px;background:var(--color-canary);color:var(--color-text);font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center}.chat-header__title{font-size:18px;font-weight:700;line-height:1.2}.chat-header__subtitle{font-size:12px;color:var(--color-text-light);line-height:1.2}.chat-header__new-chat-btn{background:none;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:6px 14px;font-size:13px;color:var(--color-text-light);cursor:pointer;transition:all .15s}.chat-header__new-chat-btn:hover{background:var(--color-surface);border-color:var(--color-text-light);color:var(--color-text)}.chat-header__handoff-btn{background:none;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:6px 14px;font-size:13px;color:var(--color-text);cursor:pointer;transition:all .15s}.chat-header__handoff-btn:hover{background:var(--color-canary-light);border-color:var(--color-canary)}.handoff-banner{background:var(--color-canary-light);border-bottom:1px solid var(--color-canary);padding:10px 20px;font-size:14px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.handoff-banner button{background:none;border:none;font-size:18px;cursor:pointer;color:var(--color-text-light);padding:0 4px}.handoff-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.handoff-modal{background:var(--color-bg);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:24px;width:360px;max-width:90vw}.handoff-modal__title{font-size:16px;font-weight:600;margin-bottom:4px}.handoff-modal__subtitle{font-size:13px;color:var(--color-text-light);margin-bottom:16px}.handoff-modal__form{display:flex;flex-direction:column;gap:12px}.handoff-modal__label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:500;color:var(--color-text)}.handoff-modal__required{color:var(--color-error)}.handoff-modal__optional{color:var(--color-text-light);font-weight:400}.handoff-modal__input{padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;font-family:var(--font-sans);outline:none;transition:border-color .15s}.handoff-modal__input:focus{border-color:var(--color-canary-dark)}.handoff-modal__error{font-size:13px;color:var(--color-error)}.handoff-modal__actions{display:flex;gap:8px;justify-content:flex-end;margin-top:4px}.handoff-modal__cancel{padding:8px 16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);font-size:13px;cursor:pointer;color:var(--color-text)}.handoff-modal__cancel:hover{background:var(--color-surface)}.handoff-modal__submit{padding:8px 16px;border:none;border-radius:var(--radius-sm);background:var(--color-canary);color:var(--color-text);font-size:13px;font-weight:600;cursor:pointer}.handoff-modal__submit:hover{background:var(--color-canary-dark)}.handoff-modal__submit:disabled{opacity:.6;cursor:not-allowed}.chat-window{flex:1;overflow-y:auto;padding:20px;background:var(--color-surface);display:flex;flex-direction:column;gap:16px}.chat-window__empty{margin:auto;text-align:center;padding:40px 20px;max-width:400px}.chat-window__empty-icon{width:56px;height:56px;border-radius:16px;background:var(--color-canary);color:var(--color-text);font-size:28px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.chat-window__empty h2{font-size:22px;margin-bottom:8px}.chat-window__empty p{font-size:14px;color:var(--color-text-light);line-height:1.5}.chat-window__error{background:var(--color-error-bg);border:1px solid var(--color-error);border-radius:var(--radius-sm);padding:10px 16px;font-size:13px;color:var(--color-error);display:flex;align-items:center;justify-content:space-between}.chat-window__error button{background:none;border:none;color:var(--color-error);cursor:pointer;font-size:13px;text-decoration:underline}.message{display:flex;gap:10px;max-width:85%}.message--user{align-self:flex-end;flex-direction:row-reverse}.message--assistant{align-self:flex-start}.message__avatar{width:32px;height:32px;border-radius:50%;background:var(--color-canary);color:var(--color-text);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.message__bubble{padding:10px 16px;border-radius:var(--radius);line-height:1.55;font-size:14px;box-shadow:var(--shadow-sm)}.message__bubble--user{background:var(--color-user-bubble);color:#fff;border-bottom-right-radius:4px}.message__bubble--assistant{background:var(--color-bg);border:1px solid var(--color-border);border-bottom-left-radius:4px}.message__text{white-space:pre-wrap;word-break:break-word}.message__markdown p{margin-bottom:8px}.message__markdown p:last-child{margin-bottom:0}.message__markdown ul,.message__markdown ol{margin:6px 0 6px 20px}.message__markdown li{margin-bottom:4px}.message__markdown code{background:var(--color-surface);padding:1px 5px;border-radius:4px;font-size:13px}.message__markdown pre{background:var(--color-surface);padding:12px;border-radius:var(--radius-sm);overflow-x:auto;margin:8px 0;font-size:13px}.message__markdown pre code{background:none;padding:0}.message__markdown a{color:var(--color-canary-dark);text-decoration:underline}.message__markdown table{border-collapse:collapse;margin:8px 0;font-size:13px;width:100%}.message__markdown th,.message__markdown td{border:1px solid var(--color-border);padding:6px 10px;text-align:left}.message__markdown th{background:var(--color-surface);font-weight:600}.message__cursor{display:inline-block;width:7px;height:16px;background:var(--color-canary);margin-left:2px;vertical-align:text-bottom;animation:blink .8s step-end infinite}@keyframes blink{50%{opacity:0}}.message__handoff-hint{margin-top:10px;padding:8px 12px;background:var(--color-canary-light);border-radius:var(--radius-sm);font-size:13px;color:var(--color-text)}.citations{margin-top:10px;padding-top:8px;border-top:1px solid var(--color-border)}.citations__label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-light);margin-bottom:4px}.citations__list{list-style:none}.citations__item{font-size:12px;color:var(--color-text-light);padding:2px 0}.citations__title{font-weight:500;color:var(--color-text)}.citations__section{font-style:italic}.chat-input{display:flex;flex-direction:column;gap:8px;padding:12px 20px;background:var(--color-bg);border-top:1px solid var(--color-border);flex-shrink:0;transition:outline .15s}.chat-input--drag-over{outline:2px dashed var(--color-canary);outline-offset:-2px;background:var(--color-canary-light)}.chat-input__row{display:flex;align-items:flex-end;gap:8px;width:100%}.chat-input__attach{width:40px;height:40px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:none;color:var(--color-text-light);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}.chat-input__attach:hover:not(:disabled){background:var(--color-canary-light);border-color:var(--color-canary);color:var(--color-text)}.chat-input__attach:disabled{opacity:.4;cursor:not-allowed}.chat-input__image-preview{display:flex;align-items:center;gap:8px;width:100%}.chat-input__image-thumb{width:60px;height:60px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--color-border);flex-shrink:0}.chat-input__image-remove{width:24px;height:24px;border:none;border-radius:50%;background:var(--color-error);color:#fff;font-size:16px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-input__image-privacy{font-size:11px;color:var(--color-text-light);font-style:italic}.chat-input__image-error{display:flex;align-items:center;justify-content:space-between;width:100%;padding:6px 10px;background:var(--color-error-bg);border-radius:var(--radius-sm);font-size:12px;color:var(--color-error)}.chat-input__image-error button{background:none;border:none;color:var(--color-error);font-size:16px;cursor:pointer;padding:0 4px}.message__image-thumb{max-width:200px;max-height:150px;border-radius:var(--radius-sm);margin-bottom:6px;display:block}.chat-input__textarea{flex:1;resize:none;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:10px 14px;font-family:var(--font-sans);font-size:14px;line-height:1.5;color:var(--color-text);outline:none;max-height:120px;transition:border-color .15s}.chat-input__textarea:focus{border-color:var(--color-canary);box-shadow:0 0 0 3px #f5c51826}.chat-input__textarea::placeholder{color:var(--color-text-light)}.chat-input__send{width:40px;height:40px;border:none;border-radius:var(--radius-sm);background:var(--color-canary);color:var(--color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}.chat-input__send:hover:not(:disabled){background:var(--color-canary-dark)}.chat-input__send:disabled{opacity:.4;cursor:not-allowed}.chat-header__actions{display:flex;align-items:center;gap:8px}.chat-header__voice-btn{width:36px;height:36px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:none;color:var(--color-text-light);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.chat-header__voice-btn:hover{background:var(--color-canary-light);border-color:var(--color-canary);color:var(--color-text)}.chat-header__voice-btn--active{background:var(--color-canary);border-color:var(--color-canary-dark);color:var(--color-text)}.chat-input__mic{width:40px;height:40px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:none;color:var(--color-text-light);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}.chat-input__mic:hover:not(:disabled){background:var(--color-canary-light);border-color:var(--color-canary);color:var(--color-text)}.chat-input__mic--active{background:var(--color-error);border-color:var(--color-error);color:#fff;animation:mic-pulse 1.5s ease-in-out infinite}.chat-input__mic:disabled{opacity:.4;cursor:not-allowed}@keyframes mic-pulse{0%,to{box-shadow:0 0 #dc262666}50%{box-shadow:0 0 0 8px #dc262600}}.voice-orb{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 0;flex-shrink:0;position:relative}.voice-orb__core{width:48px;height:48px;border-radius:50%;position:relative;z-index:2}.voice-orb--listening .voice-orb__core{background:radial-gradient(circle,var(--color-canary) 40%,var(--color-canary-dark) 100%);animation:core-pulse 1.2s ease-in-out infinite}.voice-orb--speaking .voice-orb__core{background:radial-gradient(circle,#60a5fa 40%,#3b82f6);animation:core-pulse .8s ease-in-out infinite}.voice-orb__ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border-radius:50%;border:2px solid;opacity:0;z-index:1}.voice-orb--listening .voice-orb__ring{border-color:var(--color-canary);animation:ring-expand 2s ease-out infinite}.voice-orb--speaking .voice-orb__ring{border-color:#60a5fa;animation:ring-expand 1.5s ease-out infinite}.voice-orb__ring--1{animation-delay:0s!important}.voice-orb__ring--2{animation-delay:.4s!important}.voice-orb__ring--3{animation-delay:.8s!important}.voice-orb__label{margin-top:12px;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.1em;z-index:2}.voice-orb--listening .voice-orb__label{color:var(--color-canary-dark)}.voice-orb--speaking .voice-orb__label{color:#3b82f6}@keyframes core-pulse{0%,to{transform:scale(1);box-shadow:0 0 10px #0000001a}50%{transform:scale(1.08);box-shadow:0 0 20px #00000026}}@keyframes ring-expand{0%{width:48px;height:48px;opacity:.6}to{width:110px;height:110px;opacity:0}}.message__spoken-tag{display:inline-block;margin-top:6px;font-size:10px;color:var(--color-text-light);opacity:.5;letter-spacing:.02em}.message__spoken-tag--active{color:#3b82f6;opacity:.7}.voice-picker-wrapper{position:relative}.chat-header__voice-picker-btn{width:28px;height:36px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-canary-light);color:var(--color-text);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;margin-left:-4px}.chat-header__voice-picker-btn:hover{background:var(--color-canary)}.voice-picker{position:absolute;top:100%;right:0;margin-top:6px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);box-shadow:0 4px 16px #0000001f;min-width:240px;max-height:300px;overflow-y:auto;z-index:100}.voice-picker__group{padding:4px 0}.voice-picker__group+.voice-picker__group{border-top:1px solid var(--color-border)}.voice-picker__group-label{padding:6px 12px 2px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-light)}.voice-picker__option{display:block;width:100%;text-align:left;padding:6px 12px;border:none;background:none;font-size:13px;color:var(--color-text);cursor:pointer;transition:background .1s}.voice-picker__option:hover{background:var(--color-canary-light)}.voice-picker__option--selected{background:var(--color-canary-light);font-weight:600}@media (max-width: 600px){.chat-header{padding:10px 14px}.chat-window{padding:14px;gap:12px}.chat-input{padding:10px 14px}.message{max-width:92%}}