:root{--qr-primary: #ff603a;--qr-primary-soft: #ffe1d8;--qr-primary-light: #eae8df;--qr-rice-sand: #fbfaf9;--qr-text: #434242;--qr-text-muted: #afafaf;--qr-line: #e9e9e9;--qr-surface-alt: #f9f9fa;--qr-violet: #9e8afd;--sidebar-width: 280px;--header-height: 68px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(67, 66, 66, .05);--shadow-md: 0 4px 14px rgba(67, 66, 66, .08)}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-weight:300;font-size:15px;color:var(--qr-text);background:var(--qr-rice-sand);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}h1,h2,h3{margin:0;font-weight:600;line-height:1.2}.boot{display:grid;place-items:center;height:100%;color:var(--qr-text-muted);font-size:14px}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) 1fr;height:100%}.sidebar{background:#fff;border-right:1px solid var(--qr-line);display:flex;flex-direction:column;min-height:0}.sidebar__brand{display:flex;align-items:center;padding:22px 24px 18px;border-bottom:1px solid var(--qr-line)}.sidebar__brand-logo{height:24px;width:auto;display:block}.sidebar__section{padding:16px 18px;border-bottom:1px solid var(--qr-line)}.sidebar__section--scroll{flex:1 1 auto;min-height:0;overflow-y:auto;border-bottom:none}.sidebar__section-title{font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:var(--qr-text-muted);margin:0 0 10px;font-weight:500}.user-badge{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--qr-line)}.user-badge__avatar{width:34px;height:34px;border-radius:50%;background:var(--qr-primary);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:600;flex:0 0 auto;box-shadow:var(--shadow-sm)}.user-badge__meta{flex:1 1 auto;min-width:0}.user-badge__name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-badge__email{font-size:11px;color:var(--qr-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-badge__signout{background:transparent;border:1px solid var(--qr-line);color:var(--qr-text-muted);width:30px;height:30px;border-radius:var(--radius-sm);font-size:14px;padding:0;transition:border-color .12s,color .12s}.user-badge__signout:hover{border-color:var(--qr-primary);color:var(--qr-primary)}.sidebar__admin-link{display:block;width:100%;text-align:left;padding:10px 12px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--qr-text);font-size:13px;font-weight:500;transition:background-color .12s,border-color .12s}.sidebar__admin-link:hover{background:var(--qr-surface-alt)}.sidebar__admin-link.is-active{background:var(--qr-primary-soft);border-color:var(--qr-primary)}.agent-picker{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.agent-picker__empty{font-size:12px;color:var(--qr-text-muted)}.agent-picker__item{display:flex;flex-direction:column;align-items:flex-start;text-align:left;width:100%;padding:10px 12px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--qr-text);font-size:13px;transition:background-color .12s,border-color .12s}.agent-picker__item:hover{background:var(--qr-surface-alt)}.agent-picker__item.is-active{background:var(--qr-primary-soft);border-color:var(--qr-primary)}.agent-picker__name{font-weight:500}.agent-picker__desc{font-size:11px;color:var(--qr-text-muted);margin-top:3px;line-height:1.4}.session-list__header{display:flex;align-items:center;justify-content:space-between;font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:var(--qr-text-muted);margin-bottom:10px;font-weight:500}.session-list__new{font-size:11px;font-weight:500;background:transparent;border:1px solid var(--qr-line);border-radius:var(--radius-sm);padding:3px 9px;color:var(--qr-text);transition:border-color .12s,color .12s,background-color .12s}.session-list__new:hover{border-color:var(--qr-primary);color:var(--qr-primary)}.session-list ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.session-list__empty{font-size:12px;color:var(--qr-text-muted)}.session-list__item{width:100%;min-width:0;display:flex;flex-direction:column;align-items:flex-start;text-align:left;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);padding:8px 10px;font-size:12px;color:var(--qr-text);transition:background-color .12s}.session-list__item:hover{background:var(--qr-surface-alt)}.session-list__item.is-active{background:var(--qr-primary-soft);border-color:var(--qr-primary)}.session-list__title{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.session-list__ts{font-size:10px;color:var(--qr-text-muted);margin-top:3px}.session-list__row{display:grid;grid-template-columns:1fr auto;gap:4px;align-items:stretch}.session-list__delete{width:24px;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--qr-text-muted);font-size:14px;line-height:1;padding:0;opacity:0;transition:opacity .12s,color .12s,border-color .12s,background-color .12s}.session-list__row:hover .session-list__delete,.session-list__row:focus-within .session-list__delete{opacity:1}.session-list__delete:hover{color:var(--qr-primary);border-color:var(--qr-primary);background:var(--qr-primary-soft)}.hazmat{display:flex;align-items:flex-start;gap:10px;padding:12px 18px 16px;border-top:1px solid var(--qr-line);background:linear-gradient(180deg,transparent,var(--qr-surface-alt))}.hazmat__dot{width:8px;height:8px;border-radius:50%;background:var(--qr-primary);margin-top:5px;flex:0 0 auto;box-shadow:0 0 0 4px var(--qr-primary-soft)}.hazmat__body{display:flex;flex-direction:column;min-width:0}.hazmat__label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--qr-text)}.hazmat__detail{font-size:11px;color:var(--qr-text-muted);line-height:1.45;margin-top:2px}.chat{display:grid;grid-template-rows:auto 1fr auto;min-height:0;background:var(--qr-rice-sand)}.chat__header{min-height:var(--header-height);border-bottom:1px solid var(--qr-line);padding:14px 36px;display:flex;flex-direction:column;justify-content:center;background:#fff}.chat__agent-name{font-size:17px;font-weight:600;letter-spacing:-.2px;position:relative;display:inline-block}.chat__agent-name:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--qr-primary);border-radius:1px;max-width:32px}.chat__agent-desc{margin:14px 0 0;font-size:12px;color:var(--qr-text-muted);max-width:600px;line-height:1.5}.chat__messages{overflow-y:auto;padding:36px;display:flex;flex-direction:column;gap:18px}.chat__empty{margin:auto;color:var(--qr-text-muted);font-size:14px;text-align:center;max-width:320px;line-height:1.5}.chat__form{border-top:1px solid var(--qr-line);padding:18px 36px 24px;display:grid;grid-template-columns:1fr auto;gap:12px;background:#fff}.chat__input{resize:none;border:1px solid var(--qr-line);border-radius:var(--radius-md);padding:12px 14px;font-family:inherit;font-size:14px;font-weight:300;color:var(--qr-text);outline:none;min-height:48px;max-height:200px;transition:border-color .12s,box-shadow .12s}.chat__input:focus{border-color:var(--qr-primary);box-shadow:0 0 0 3px var(--qr-primary-soft)}.chat__input:disabled{background:var(--qr-surface-alt);cursor:not-allowed}.chat__send{align-self:end;background:var(--qr-primary);color:#fff;border:none;border-radius:var(--radius-md);padding:0 22px;font-weight:500;font-size:14px;min-height:48px;transition:filter .12s,transform .12s}.chat__send:hover:not(:disabled){filter:brightness(.95)}.chat__send:active:not(:disabled){transform:translateY(1px)}.chat__send:disabled{opacity:.35;cursor:not-allowed}.bubble{max-width:72%;border-radius:var(--radius-lg);padding:14px 16px;font-size:14px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word;box-shadow:var(--shadow-sm)}.bubble__label{font-size:10px;text-transform:uppercase;letter-spacing:.7px;color:var(--qr-text-muted);margin-bottom:5px;font-weight:500}.bubble--user{align-self:flex-end;background:var(--qr-primary);color:#fff;border-bottom-right-radius:6px}.bubble--user .bubble__label{color:#ffffffbf}.bubble--assistant{align-self:flex-start;background:#fff;border:1px solid var(--qr-line);border-bottom-left-radius:6px}.bubble__caret{display:inline-block;margin-left:2px;color:var(--qr-primary);animation:blink 1s step-end infinite}@keyframes blink{50%{opacity:0}}.bubble__content--markdown{white-space:normal}.bubble__content--markdown>:first-child{margin-top:0}.bubble__content--markdown>:last-child{margin-bottom:0}.bubble__content--markdown p{margin:0 0 8px}.bubble__content--markdown h1,.bubble__content--markdown h2,.bubble__content--markdown h3,.bubble__content--markdown h4{margin:14px 0 6px;line-height:1.3}.bubble__content--markdown h1{font-size:18px}.bubble__content--markdown h2{font-size:16px}.bubble__content--markdown h3{font-size:15px}.bubble__content--markdown h4{font-size:14px}.bubble__content--markdown ul,.bubble__content--markdown ol{margin:0 0 8px;padding-left:20px}.bubble__content--markdown li{margin:2px 0}.bubble__content--markdown a{color:var(--qr-primary);text-decoration:underline}.bubble__content--markdown code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;background:var(--qr-surface, rgba(0, 0, 0, .05));padding:1px 5px;border-radius:4px}.bubble__content--markdown pre{background:var(--qr-surface, rgba(0, 0, 0, .05));border:1px solid var(--qr-line);border-radius:var(--radius-md, 8px);padding:10px 12px;overflow-x:auto;margin:0 0 8px}.bubble__content--markdown pre code{background:none;padding:0}.bubble__content--markdown blockquote{margin:0 0 8px;padding-left:12px;border-left:3px solid var(--qr-line);color:var(--qr-text-muted)}.bubble__content--markdown table{border-collapse:collapse;margin:0 0 8px;font-size:13px}.bubble__content--markdown th,.bubble__content--markdown td{border:1px solid var(--qr-line);padding:4px 8px;text-align:left}.admin{overflow-y:auto;padding:36px;background:var(--qr-rice-sand)}.admin__loading,.admin__error{color:var(--qr-text-muted);font-size:14px}.admin__header{margin-bottom:24px}.admin__title{font-size:22px;font-weight:600;letter-spacing:-.2px}.admin__subtitle{margin:8px 0 0;font-size:13px;color:var(--qr-text-muted)}.admin__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}.admin__card{background:#fff;border:1px solid var(--qr-line);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm)}.admin__card--wide{margin-bottom:16px}.admin__stat{font-size:30px;font-weight:600;color:var(--qr-primary);line-height:1.1;margin-bottom:6px}.admin__label{font-size:11px;color:var(--qr-text-muted);text-transform:uppercase;letter-spacing:.7px;font-weight:500}.admin__key{margin-top:8px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;color:var(--qr-text)}.admin__chart{margin-top:14px}.admin__empty{margin-top:14px;font-size:13px;color:var(--qr-text-muted)}.admin__table{width:100%;border-collapse:collapse;margin-top:14px;font-size:13px}.admin__table th{text-align:left;font-weight:500;color:var(--qr-text-muted);font-size:11px;text-transform:uppercase;letter-spacing:.6px;padding:6px 10px;border-bottom:1px solid var(--qr-line)}.admin__table td{padding:8px 10px;border-bottom:1px solid var(--qr-line)}.admin__table tr:last-child td{border-bottom:none}.error-banner{position:fixed;bottom:18px;right:18px;max-width:380px;background:#fff5f3;border:1px solid var(--qr-primary);color:var(--qr-text);padding:12px 14px;border-radius:var(--radius-md);font-size:12px;box-shadow:var(--shadow-md)}