:root{--bg-main: #FFFFFF;--bg-sidebar: #F9F9F9;--border-subtle: #ECECEC;--border-input: #E6E6E6;--text-primary: #111111;--text-secondary: #6F6F6F;--text-placeholder: #9A9A9A;--hover: #EFEFEF;--icon: #2B2B2B;--color-bg-primary: var(--bg-main);--color-bg-secondary: var(--bg-sidebar);--color-bg-tertiary: var(--hover);--color-bg-hover: var(--hover);--color-text-primary: var(--text-primary);--color-text-secondary: var(--text-secondary);--color-text-muted: var(--text-placeholder);--color-border: var(--border-input);--color-border-subtle: var(--border-subtle);--color-error: #D93025;--color-error-bg: rgba(217, 48, 37, .08);--color-accent: var(--text-primary);--space-1: .571rem;--space-2: 1.143rem;--space-3: 1.714rem;--space-4: 2.286rem;--space-5: 3.429rem;--space-half: .286rem;--sidebar-width: clamp(240px, 18vw, 280px);--sidebar-collapsed-width: 52px;--topbar-height: 60px;--max-content-width: 750px;--input-pill-width: clamp(640px, 70%, 760px);--input-pill-height: 48px;--font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", "Fira Code", Consolas, monospace;--t-xs: .857rem;--t-sm: .929rem;--t-base: 1rem;--t-md: 1.143rem;--t-lg: 1.286rem;--t-xl: 1.714rem;--t-2xl: 2rem;--leading-tight: 1.25;--leading-normal: 1.5;--leading-relaxed: 1.6;--transition-fast: .15s ease;--transition-normal: .2s ease;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 12px;--radius-pill: 9999px;--radius-full: 9999px;--shadow-input: 0 1px 2px rgba(0, 0, 0, .06);--shadow-dropdown: 0 10px 30px rgba(0, 0, 0, .1);--focus-ring: 2px solid var(--text-primary);--focus-offset: 2px;--wa-panel-width: 380px;--wa-bg: #0b141a;--wa-bg-light: #111b21;--wa-bg-header: #202c33;--wa-bg-input: #2a3942;--wa-incoming: #202c33;--wa-outgoing: #005c4b;--wa-text: #e9edef;--wa-text-secondary: #8696a0;--wa-time: #8696a0;--wa-green: #25d366;--wa-green-dark: #128c7e;--wa-blue-check: #53bdeb;--intent-browsing: #f4d03f;--intent-interested: #25d366;--intent-high: #25d366;--intent-hesitant: #f39c12;--intent-ready: #25d366;--toast-top: var(--space-2);--toast-right: var(--space-2)}.app{display:grid;grid-template-columns:var(--sidebar-width) 1fr;height:100vh;height:100dvh;background-color:var(--bg-main);color:var(--text-primary);transition:grid-template-columns .25s ease}.app--sidebar-collapsed{grid-template-columns:var(--sidebar-collapsed-width) 1fr}.sidebar{display:flex;flex-direction:column;background-color:var(--bg-sidebar);border-inline-end:1px solid var(--border-subtle);overflow:hidden;min-width:0}.sidebar--collapsed .sidebar__list,.sidebar--collapsed .sidebar__user{display:none}.sidebar__header{position:relative;display:flex;align-items:center;justify-content:space-between;padding:var(--space-1);min-height:var(--topbar-height)}.sidebar__logo{display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:var(--text-primary);background:transparent;border-radius:var(--radius-md);transition:background-color var(--transition-fast)}.sidebar__logo:hover{background-color:var(--hover)}.sidebar__logo:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.sidebar__header-actions{display:flex;align-items:center;gap:0}.sidebar__icon-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:var(--text-secondary);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast)}.sidebar__icon-btn:hover{background-color:var(--hover);color:var(--text-primary)}.sidebar__icon-btn:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.sidebar--collapsed .sidebar__icon-btn{display:none}.sidebar__toggle{position:absolute;top:.9rem;left:var(--space-1);display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:var(--text-secondary);background:var(--bg-sidebar);border:none;border-radius:var(--radius-md);cursor:pointer;z-index:1;opacity:0;pointer-events:none;transition:opacity .2s ease 50ms,background-color var(--transition-fast)}.sidebar__toggle:hover{background-color:var(--hover);color:var(--text-primary)}.sidebar__toggle:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.sidebar:not(.sidebar--collapsed) .sidebar__toggle{left:auto;right:var(--space-1);opacity:1;pointer-events:auto;background:transparent;transition:opacity .2s ease,background-color var(--transition-fast)}.sidebar--collapsed .sidebar__toggle{transition:opacity .2s ease 50ms,background-color var(--transition-fast)}.sidebar--collapsed:hover .sidebar__toggle,.sidebar--collapsed .sidebar__toggle:focus-visible{opacity:1;pointer-events:auto}.sidebar__title{font-size:var(--t-base);font-weight:600;color:var(--text-primary)}.sidebar__list{flex:1;overflow-y:auto;overflow-x:hidden;padding:var(--space-1);width:calc(var(--sidebar-width) - var(--space-1) * 2);min-width:calc(var(--sidebar-width) - var(--space-1) * 2)}.sidebar__item{display:flex;align-items:center;gap:var(--space-1);width:100%;padding-block:var(--space-1);padding-inline:var(--space-2);min-height:36px;font-size:var(--t-sm);color:var(--text-primary);text-align:start;background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast)}.sidebar__item:hover{background-color:var(--hover)}.sidebar__item:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.sidebar__item--active{background-color:var(--hover)}.chat-panel{display:flex;flex-direction:column;height:100%;overflow:hidden;background-color:var(--bg-main)}.chat-panel__header{position:relative;display:flex;align-items:center;gap:var(--space-1);height:var(--topbar-height);padding-inline:var(--space-2);background-color:var(--bg-main);border-block-end:1px solid transparent}.chat-panel__model{display:flex;align-items:center;gap:4px;padding:var(--space-1) var(--space-1);font-size:1.2rem;font-weight:500;color:var(--text-primary);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast)}span>span{color:#8f8f8f;font-size:1.2rem;padding:0;margin:0}.chat-panel__model:hover{background-color:var(--hover)}.chat-panel__model:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.chat-panel__icon-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:var(--icon);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast)}.chat-panel__icon-btn:hover{background-color:var(--hover)}.chat-panel__icon-btn:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.chat-panel__title{font-size:var(--t-md);font-weight:500;color:var(--text-primary);margin-inline-start:var(--space-1)}.chat-panel__body{display:flex;flex-direction:column;flex:1;overflow:hidden}.chat-panel__messages{flex:1;overflow-y:auto;padding:var(--space-3)}.chat-panel__composer{padding:var(--space-3);padding-block-start:var(--space-2);background-color:var(--bg-main)}.chat-panel__greeting{display:none;margin-block-end:var(--space-3);font-size:var(--t-2xl);font-weight:400;color:var(--text-primary);text-align:center}.chat-panel__body--empty{padding-top:20dvh}.chat-panel__body--empty .chat-panel__messages{display:none}.chat-panel__body--empty .chat-panel__composer{padding-block:var(--space-4)}.chat-panel__body--empty .chat-panel__greeting{display:block}.greeting-char{display:inline-block;opacity:0}.artifact-panel,.artifact-panel--visible{display:none}.app--wa-mode{grid-template-columns:var(--sidebar-width) 1fr var(--wa-panel-width)}.app--wa-mode.app--sidebar-collapsed{grid-template-columns:var(--sidebar-collapsed-width) 1fr var(--wa-panel-width)}.app--wa-mode .chat-panel{transition:none}.sidebar__section{margin-block-start:var(--space-2)}.sidebar__section-title{padding-block:var(--space-1);padding-inline:var(--space-1);font-size:var(--t-xs);font-weight:400;color:var(--text-secondary);text-transform:none;letter-spacing:normal}.sidebar__new-chat{display:flex;align-items:center;gap:var(--space-1);width:100%;padding-block:var(--space-1);padding-inline:6px;min-height:36px;font-size:var(--t-sm);color:var(--text-primary);text-align:start;background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast)}.sidebar__new-chat:hover{background-color:var(--hover)}.sidebar__new-chat:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.sidebar__new-chat svg{flex-shrink:0;color:var(--icon)}.conversation{display:block;width:100%;padding-block:var(--space-1);padding-inline:var(--space-1);min-height:34px;font-size:var(--t-sm);color:var(--text-primary);text-align:start;background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast)}.conversation:hover{background-color:var(--hover)}.conversation:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.conversation--active{background-color:var(--hover)}.conversation__preview{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--t-sm)}.conversation__time{flex-shrink:0;font-size:var(--t-xs);color:var(--text-secondary)}.sidebar__group{margin-block-start:var(--space-2)}.sidebar__group:first-child{margin-block-start:0}.sidebar__group-title{padding-block:var(--space-1);padding-inline:var(--space-2);font-size:var(--t-xs);font-weight:400;color:var(--text-secondary)}.sidebar__empty{padding:var(--space-3);font-size:var(--t-sm);color:var(--text-secondary);text-align:center}.sidebar__user{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-2);margin-block-start:auto;border-block-start:1px solid var(--border-subtle);width:var(--sidebar-width);min-width:var(--sidebar-width)}.sidebar__user-avatar{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:30px;height:30px;font-size:var(--t-sm);font-weight:500;color:var(--bg-main);background-color:var(--text-primary);border-radius:var(--radius-pill)}.sidebar__user-info{flex:1;min-width:0}.sidebar__user-name{font-size:var(--t-base);font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar__user-plan{font-size:var(--t-xs);color:var(--text-secondary)}.message-list{display:flex;flex-direction:column;gap:var(--space-4);max-width:var(--max-content-width);margin-inline:auto}.message{opacity:0;transform:translateY(8px)}.message--visible{opacity:1;transform:translateY(0)}.message--user{display:flex;justify-content:flex-end}.message--user .message__content{max-width:80%;padding-block:calc(var(--space-1) * 1.2);padding-inline:calc(var(--space-2) * 1.2);background-color:var(--bg-sidebar);border-radius:18px;corner-shape:superellipse(1.1)}.message--assistant{display:block}.message--assistant .message__content{max-width:100%}.message--system{padding:var(--space-2);background-color:var(--color-error-bg);border:1px solid var(--color-error);border-radius:var(--radius-lg)}.message--widget{display:block;opacity:1;transform:none}.message__content{font-size:var(--t-base);line-height:var(--leading-relaxed);color:var(--text-primary)}.message__content p{margin-block-end:var(--space-2);text-wrap:balance}.message__content p:last-child{margin-block-end:0}.message__content h1,.message__content h2,.message__content h3{margin-block:var(--space-3) var(--space-2);font-weight:600;line-height:var(--leading-tight);color:var(--text-primary)}.message__content h1{font-size:var(--t-xl)}.message__content h2{font-size:var(--t-lg)}.message__content h3{font-size:var(--t-md)}.message__content ul,.message__content ol{margin-block-end:var(--space-2);padding-inline-start:var(--space-3)}.message__content li{margin-block-end:var(--space-1)}.message__content ul{list-style:disc}.message__content ol{list-style:decimal}.message__content code{padding:2px 6px;font-family:var(--font-mono);font-size:.9em;background-color:var(--bg-sidebar);border-radius:var(--radius-sm)}.message__content pre{margin-block:var(--space-2);padding:var(--space-2);overflow-x:auto;background-color:var(--bg-sidebar);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.message__content pre code{padding:0;background:transparent}.message__content a{color:var(--text-primary);text-decoration:underline;text-underline-offset:2px}.message__content a:hover{color:var(--text-secondary)}.message__content blockquote{margin-block:var(--space-2);padding-inline-start:var(--space-2);color:var(--text-secondary);border-inline-start:3px solid var(--border-subtle)}.message__thinking{display:inline-block;width:8px;height:8px;background-color:var(--text-primary);border-radius:var(--radius-pill);animation:thinking-pulse 1.2s ease-in-out infinite}@keyframes thinking-pulse{0%,to{transform:scale(.8);opacity:.6}50%{transform:scale(1.2);opacity:1}}.message--system-info{display:flex;gap:var(--space-1);padding:var(--space-1) var(--space-2);background:var(--bg-sidebar);border-radius:var(--radius-md);border-left:3px solid var(--wa-green);font-size:var(--t-sm);color:var(--text-secondary)}.message--system-info:before{content:"";display:inline-block;width:16px;height:16px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2325d366' stroke-width='2'%3E%3Cpath d='M22 11.08V12a10 10 0 1 1-5.93-9.14'/%3E%3Cpolyline points='22 4 12 14.01 9 11.01'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;flex-shrink:0}.message--system-info .message__content{flex:1}.message--system-error{display:flex;gap:var(--space-1);padding:var(--space-1) var(--space-2);background:var(--color-error-bg);border-radius:var(--radius-md);border-left:3px solid var(--color-error);font-size:var(--t-sm);color:var(--text-secondary)}.message-list--empty{display:none}.chat-panel__attachments{display:flex;flex-wrap:wrap;gap:var(--space-1);padding-bottom:var(--space-1)}.chat-panel__attachments:empty,.chat-panel__attachments[hidden]{display:none}.attachment-tag{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;background:var(--bg-sidebar);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);font-size:var(--t-xs);color:var(--text-secondary)}.attachment-tag svg{flex-shrink:0;opacity:.7}.attachment-tag__remove{display:flex;align-items:center;justify-content:center;width:16px;height:16px;margin-left:2px;padding:0;background:transparent;border:none;border-radius:50%;cursor:pointer;opacity:.5;transition:opacity var(--transition-fast),background var(--transition-fast)}.attachment-tag__remove:hover{opacity:1;background:var(--hover)}.attachment-tag__remove svg{opacity:1}.input-area{display:flex;flex-direction:column;gap:var(--space-1);width:100%;max-width:var(--max-content-width);margin-inline:auto}.input-area__form{display:flex;align-items:center;gap:var(--space-1);padding:var(--space-1);padding-inline-start:var(--space-2);min-height:var(--input-pill-height);background-color:var(--bg-main);border:1px solid var(--border-input);border-radius:var(--radius-pill);box-shadow:var(--shadow-input);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input-area__form:focus-within{border-color:var(--border-subtle);box-shadow:var(--shadow-dropdown)}.input-area__attach{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--icon);background:transparent;border:none;border-radius:var(--radius-pill);cursor:pointer;transition:background-color var(--transition-fast)}.input-area__attach:hover{background-color:var(--hover)}.input-area__attach:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.input-area__attach-icon{width:20px;height:20px}.input-area__textarea{flex:1;min-height:24px;max-height:200px;padding-block:var(--space-1);padding-inline:var(--space-1);font-family:inherit;font-size:var(--t-base);line-height:var(--leading-normal);color:var(--text-primary);background:transparent;border:none;resize:none;overflow-y:auto}.input-area__textarea::placeholder{color:var(--text-placeholder)}.input-area__textarea:focus{outline:none}.input-area__mic{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--icon);background:transparent;border:none;border-radius:var(--radius-pill);cursor:pointer;transition:background-color var(--transition-fast)}.input-area__mic:hover{background-color:var(--hover)}.input-area__mic:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.input-area__mic-icon{width:18px;height:18px}.input-area__submit{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--bg-main);background-color:var(--text-primary);border:none;border-radius:var(--radius-pill);cursor:pointer;transition:background-color var(--transition-fast),opacity var(--transition-fast)}.input-area__submit:hover:not(:disabled){background-color:var(--text-secondary)}.input-area__submit:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.input-area__submit:disabled{opacity:.3;cursor:not-allowed}.input-area__submit-icon{width:16px;height:16px}.input-area__form[data-empty=true] .input-area__submit{opacity:0;pointer-events:none}.input-area__hint{font-size:var(--t-xs);color:var(--text-placeholder);text-align:center}.input-area--home{position:absolute;inset-inline:0;bottom:50%;transform:translateY(50%);padding-inline:var(--space-3)}.input-area--home .input-area__form{max-width:var(--input-pill-width);margin-inline:auto}.artifact-panel__close{display:flex;align-items:center;justify-content:center;width:32px;height:32px;font-size:var(--t-md);color:var(--text-secondary);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast)}.artifact-panel__close:hover{color:var(--text-primary);background-color:var(--hover)}.artifact-panel__close:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.widget{margin-block-end:var(--space-2);padding:var(--space-2);background-color:var(--bg-sidebar);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);opacity:0;transform:translateY(8px)}.widget--visible{opacity:1;transform:translateY(0)}.widget-card__image-container{margin-block-end:var(--space-2);overflow:hidden;border-radius:var(--radius-md)}.widget-card__image-container img{display:block;width:100%;height:auto}.widget-card__content{display:flex;flex-direction:column;gap:var(--space-1)}.widget-card__title{font-size:var(--t-md);font-weight:600;line-height:var(--leading-tight);color:var(--text-primary)}.widget-card__description{font-size:var(--t-sm);line-height:var(--leading-normal);color:var(--text-secondary)}.widget-card__actions{display:flex;gap:var(--space-1);margin-block-start:var(--space-1)}.widget-card__action{padding:var(--space-1) var(--space-2);font-size:var(--t-sm);font-weight:500;color:var(--bg-main);background-color:var(--text-primary);border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--transition-fast)}.widget-card__action:hover{background-color:var(--text-secondary)}.widget-card__action:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.widget-table{width:100%;border-collapse:collapse}.widget-table th,.widget-table td{padding:var(--space-1);font-size:var(--t-sm);text-align:start;border-block-end:1px solid var(--border-subtle)}.widget-table th{font-weight:600;color:var(--text-secondary)}.widget-table tr:last-child td{border-block-end:none}.widget-chart{height:200px}.widget-product{display:flex;gap:var(--space-2)}.widget-product__image{flex-shrink:0;width:80px;height:80px;object-fit:cover;border-radius:var(--radius-md)}.widget-product__details{flex:1;display:flex;flex-direction:column;gap:var(--space-half)}.widget-product__name{font-size:var(--t-sm);font-weight:600;color:var(--text-primary)}.widget-product__price{font-size:var(--t-md);font-weight:700;color:var(--text-primary)}.widget-product__rating{font-size:var(--t-xs);color:var(--text-secondary)}.widget-carousel{padding:0;background:transparent;border:none}.widget-carousel__title{padding-inline:var(--space-2);margin-block-end:var(--space-2);font-size:var(--t-md);font-weight:600;color:var(--text-primary)}.widget-carousel__viewport{margin-inline:calc(var(--space-3) * -1);padding-inline:var(--space-3);overflow-x:auto;overflow-y:hidden;cursor:grab;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.widget-carousel__viewport::-webkit-scrollbar{display:none}.widget-carousel__viewport--dragging{cursor:grabbing;scroll-behavior:auto;-webkit-user-select:none;user-select:none}.widget-carousel__track{display:flex;gap:var(--space-2);padding-block:var(--space-1)}.widget-carousel__card{flex-shrink:0;width:280px;background-color:var(--bg-sidebar);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.widget-carousel__card:hover{transform:translateY(-2px);box-shadow:var(--shadow-dropdown)}.widget-carousel__card:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}.widget-carousel__card-image{width:100%;height:160px;overflow:hidden;background-color:var(--hover)}.widget-carousel__card-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-normal)}.widget-carousel__card:hover .widget-carousel__card-image 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