:root{--sidebar-w: 240px;--gap: 0px;--radius: 12px;--radius-sm: 8px;--radius-pill: 999px;--font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size: 14px;--font-size-xs: 11px;--font-size-sm: 12px;--font-size-md: 13px;--font-size-lg: 16px;--font-size-xl: 18px;--font-size-2xl: 24px;--color-sidebar-bg: #F5F1EC;--color-bg: #FFFFFF;--color-panel: #FFFFFF;--color-accent: #4B7BBA;--color-accent-hover: #3D6AA5;--color-accent-soft: #E8F0FA;--color-text: #1A1A2E;--color-text-dim: #8B8B9E;--color-text-section: #8B8B9E;--color-border: #E5E7EB;--color-border-subtle: #F0F0F0;--chart-mark: #4B7BBA;--color-danger: #D94444;--color-star: #DAA520;--color-energy: #2ecc71;--bubble-user: #1A2332;--bubble-user-text: #FFFFFF;--bubble-bot: #F0EDE8;--bubble-bot-text: #1A1A2E;--input-bg: #FFFFFF;--input-text: var(--color-text);--input-border: #D4D4D8;--input-placeholder: #9CA3AF;--button-bg: var(--color-accent);--button-text: #FFFFFF;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--menu-bg: #FFFFFF;--menu-hover: #F5F5F5;--hover-bg: rgba(0, 0, 0, .04);--meter-green: #2ecc71;--meter-yellow: #f1c40f;--meter-red: #e74c3c;--code-bg: rgba(0, 0, 0, .04)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--color-sidebar-bg: #1B2028;--color-bg: #232834;--color-panel: #232834;--color-accent: #6BA3DB;--color-accent-hover: #7BB2E8;--color-accent-soft: #1D2D40;--color-text: #E8E8EC;--color-text-dim: #6E7080;--color-text-section: #6E7080;--color-border: #374151;--color-border-subtle: #2D3340;--chart-mark: #5F98D2;--color-danger: #EF4444;--color-star: #FBBF24;--color-energy: #4ADE80;--bubble-user: #1A2332;--bubble-user-text: #FFFFFF;--bubble-bot: #2A303C;--bubble-bot-text: #E8E8EC;--input-bg: #2A303C;--input-text: #E8E8EC;--input-border: #374151;--input-placeholder: #6E7080;--button-bg: var(--color-accent);--button-text: #FFFFFF;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .35);--menu-bg: #2A303C;--menu-hover: #333A48;--hover-bg: rgba(255, 255, 255, .05);--code-bg: rgba(255, 255, 255, .06)}}:root[data-theme=dark]{--color-sidebar-bg: #1B2028;--color-bg: #232834;--color-panel: #232834;--color-accent: #6BA3DB;--color-accent-hover: #7BB2E8;--color-accent-soft: #1D2D40;--color-text: #E8E8EC;--color-text-dim: #6E7080;--color-text-section: #6E7080;--color-border: #374151;--color-border-subtle: #2D3340;--chart-mark: #5F98D2;--color-danger: #EF4444;--color-star: #FBBF24;--color-energy: #4ADE80;--bubble-user: #1A2332;--bubble-user-text: #FFFFFF;--bubble-bot: #2A303C;--bubble-bot-text: #E8E8EC;--input-bg: #2A303C;--input-text: #E8E8EC;--input-border: #374151;--input-placeholder: #6E7080;--button-bg: var(--color-accent);--button-text: #FFFFFF;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .35);--menu-bg: #2A303C;--menu-hover: #333A48;--hover-bg: rgba(255, 255, 255, .05);--code-bg: rgba(255, 255, 255, .06)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-family);font-size:var(--font-size);line-height:1.5}.app-grid{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh;min-height:0}.sidebar{background:var(--color-sidebar-bg);display:flex;flex-direction:column;height:100vh;overflow:hidden;border-right:1px solid var(--color-border)}.sidebar-inner{display:flex;flex-direction:column;height:100%;padding:16px 12px 12px;gap:4px;overflow:hidden}.sidebar-brand{display:flex;align-items:center;justify-content:space-between;padding:0 4px 12px}.sidebar-brand-left{display:flex;align-items:center;gap:10px}.sidebar-logo{width:28px;height:28px;border-radius:50%;background:var(--color-accent);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}.sidebar-brand-name{font-size:var(--font-size-xl);font-weight:700;color:var(--color-text)}.sidebar-brand-name-link{background:none;border:none;padding:0;margin:0;font-family:inherit;cursor:pointer}.sidebar-brand-name-link:hover{color:var(--color-accent)}.sidebar-brand-theme{background:none;border:none;color:var(--color-text-dim);cursor:pointer;padding:4px;border-radius:var(--radius-sm);font-size:18px;line-height:1;display:flex;align-items:center}.sidebar-brand-theme:hover{background:var(--hover-bg);color:var(--color-text)}.sidebar-new-chat{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:10px 16px;border:none;border-radius:var(--radius-sm);background:var(--color-accent);color:#fff;font-size:var(--font-size);font-weight:600;cursor:pointer;margin-bottom:8px;transition:background .15s}.sidebar-new-chat:hover{background:var(--color-accent-hover)}.sidebar-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:8px}.sidebar-nav-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text);font-size:var(--font-size);font-weight:500;cursor:pointer;text-align:left;width:100%;transition:background .12s,color .12s}.sidebar-nav-item:hover{background:var(--hover-bg)}.sidebar-nav-item.active{background:var(--color-accent-soft);color:var(--color-accent);font-weight:600}.sidebar-nav-icon{width:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-nav-icon svg,.sidebar-conv-icon svg,.sidebar-history-actions svg,.sidebar-search-icon svg,.sidebar-conv-star svg,.sidebar-conv-actions svg,.sidebar-energy-icon svg{display:block}.sidebar-nav-badge{margin-left:auto;font-size:var(--font-size-xs);font-weight:600;padding:1px 8px;border-radius:var(--radius-pill);background:var(--color-accent-soft);color:var(--color-accent)}.sidebar-history-header{display:flex;align-items:center;justify-content:space-between;padding:8px 4px 4px}.sidebar-history-label{font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-section)}.sidebar-history-actions{display:flex;gap:4px}.sidebar-history-actions button{background:none;border:none;color:var(--color-text-dim);cursor:pointer;padding:2px 4px;border-radius:4px;font-size:14px;line-height:1}.sidebar-history-actions button:hover{background:var(--hover-bg);color:var(--color-text)}.sidebar-history-actions button.active{color:var(--color-accent)}.sidebar-search{position:relative;margin:4px 0}.sidebar-search input{width:100%;padding:7px 10px 7px 32px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--input-bg);color:var(--input-text);font-size:var(--font-size-md);outline:none;font-family:inherit}.sidebar-search input::placeholder{color:var(--input-placeholder)}.sidebar-search input:focus{border-color:var(--color-accent)}.sidebar-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--color-text-dim);pointer-events:none;display:flex;align-items:center}.sidebar-filters{display:flex;gap:4px;padding:4px 0}.sidebar-filter-pill{width:28px;height:28px;border-radius:var(--radius-pill);border:1px solid var(--color-border);background:transparent;color:var(--color-text-dim);font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .12s;padding:0}.sidebar-filter-pill:hover{background:var(--hover-bg);border-color:var(--color-text-dim)}.sidebar-filter-pill.active{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.sidebar-conv-list{flex:1;overflow-y:auto;overflow-x:hidden;margin:0 -4px;padding:0 4px}.sidebar-conv-list::-webkit-scrollbar{width:4px}.sidebar-conv-list::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}.sidebar-section-header{display:flex;align-items:center;justify-content:space-between;padding:10px 8px 4px;font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-section)}.sidebar-section-count{font-weight:400;font-size:var(--font-size-xs);color:var(--color-text-dim)}.sidebar-conv-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--radius-sm);cursor:pointer;border:none;background:transparent;width:100%;text-align:left;color:var(--color-text);font-size:var(--font-size-md);font-family:inherit;transition:background .1s;position:relative}.sidebar-conv-item:hover{background:var(--hover-bg)}.sidebar-conv-item.active{background:var(--color-accent-soft);color:var(--color-accent)}.sidebar-conv-icon{width:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.7}.sidebar-conv-item.active .sidebar-conv-icon{opacity:1}.sidebar-conv-title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.sidebar-conv-star{color:var(--color-star);flex-shrink:0;display:flex;align-items:center}.sidebar-conv-actions{display:flex;gap:2px;opacity:0;transition:opacity .1s}.sidebar-conv-item:hover .sidebar-conv-actions,.sidebar-conv-item.active .sidebar-conv-actions{opacity:1}.sidebar-conv-actions button{background:none;border:none;color:var(--color-text-dim);cursor:pointer;padding:2px;font-size:12px;line-height:1;border-radius:4px}.sidebar-conv-actions button:hover{color:var(--color-text);background:var(--hover-bg)}.sidebar-settings{display:flex;align-items:center;gap:8px;padding:8px 12px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-text);font-size:var(--font-size-md);cursor:pointer;width:100%;text-align:left;font-family:inherit;margin-top:4px}.sidebar-settings:hover{background:var(--hover-bg)}.sidebar-energy{border-top:1px solid var(--color-border);margin-top:auto;padding-top:8px}.sidebar-energy-toggle{display:flex;align-items:center;gap:8px;padding:8px;width:100%;border:none;background:transparent;cursor:pointer;color:var(--color-text);font-size:var(--font-size-md);font-family:inherit;border-radius:var(--radius-sm)}.sidebar-energy-toggle:hover{background:var(--hover-bg)}.sidebar-energy-icon{color:var(--color-energy);display:flex;align-items:center}.sidebar-energy-grade{font-weight:700;font-size:var(--font-size);color:var(--color-energy)}.sidebar-energy-wh{font-weight:700;font-size:var(--font-size);color:var(--color-text)}.sidebar-energy-label{font-size:var(--font-size-sm);color:var(--color-text-dim);margin-left:auto}.sidebar-energy-chevron{font-size:12px;color:var(--color-text-dim);transition:transform .2s}.sidebar-energy-chevron.open{transform:rotate(180deg)}.sidebar-energy-details{padding:8px 8px 4px}.sidebar-energy-big{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text);line-height:1.2}.sidebar-energy-equiv{font-size:var(--font-size-sm);color:var(--color-text-dim);margin-bottom:12px}.sidebar-energy-breakdown{display:flex;flex-direction:column;gap:6px}.sidebar-energy-row{display:flex;justify-content:space-between;font-size:var(--font-size-sm);color:var(--color-text-dim)}.sidebar-energy-row-value{font-variant-numeric:tabular-nums}.sidebar-energy-grade-bar{height:4px;border-radius:var(--radius-pill);background:var(--color-border);margin:8px 0 4px;overflow:hidden}.sidebar-energy-grade-bar-fill{height:100%;border-radius:var(--radius-pill);transition:width .4s ease,background .4s ease}.sidebar-energy-grade-bar-fill[data-grade=A]{width:100%;background:var(--meter-green)}.sidebar-energy-grade-bar-fill[data-grade=B]{width:80%;background:#66bb6a}.sidebar-energy-grade-bar-fill[data-grade=C]{width:60%;background:var(--meter-yellow)}.sidebar-energy-grade-bar-fill[data-grade=D]{width:40%;background:#ff9800}.sidebar-energy-grade-bar-fill[data-grade=E]{width:20%;background:var(--meter-red)}.sidebar-energy-grade-label{display:flex;justify-content:space-between;font-size:var(--font-size);font-weight:700}.sidebar-energy-grade-label[data-grade=A]{color:var(--meter-green)}.sidebar-energy-grade-label[data-grade=B]{color:#66bb6a}.sidebar-energy-grade-label[data-grade=C]{color:var(--meter-yellow)}.sidebar-energy-grade-label[data-grade=D]{color:#ff9800}.sidebar-energy-grade-label[data-grade=E]{color:var(--meter-red)}.main-content{display:flex;flex-direction:column;height:100vh;min-height:0;overflow:hidden}.header-bar{display:flex;flex-direction:column;gap:0;padding:0 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var(--color-accent);border-radius:var(--radius-pill);font-size:var(--font-size-sm);font-weight:600;color:var(--color-energy);background:transparent}.header-energy-badge .energy-icon{display:flex;align-items:center}.header-energy-badge .energy-icon svg{display:block}.header-mode-toggle{display:inline-flex;border:1px solid var(--color-border);border-radius:var(--radius-pill);overflow:hidden}.header-mode-toggle button{padding:4px 12px;border:none;background:transparent;color:var(--color-text-dim);font-size:var(--font-size-sm);font-weight:500;cursor:pointer;font-family:inherit}.header-mode-toggle button.active{background:var(--color-accent);color:#fff}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--color-text-dim)}.empty-state-icon{width:64px;height:64px;border-radius:16px;background:var(--hover-bg);display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--color-text-dim);margin-bottom:4px}.empty-state-title{font-size:var(--font-size-lg);font-weight:500;color:var(--color-text)}.empty-state-subtitle{font-size:var(--font-size);color:var(--color-text-dim)}.chat-area{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.chat-loading{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--color-text-dim);font-size:var(--font-size)}.chat-history{flex:1;overflow-y:auto;padding:16px 24px;display:flex;flex-direction:column;gap:12px}.chat-bubble{display:flex;align-items:flex-start;gap:10px}.chat-bubble.user{justify-content:flex-end}.chat-bubble.bot{justify-content:flex-start}.chat-avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;margin-top:2px}.bot-avatar{background:var(--color-accent);color:#fff}.user-avatar{background:var(--bubble-user);color:var(--bubble-user-text);font-size:14px;font-weight:400}.chat-bubble .bubble{display:inline-block;max-width:min(65ch,72%);padding:10px 14px;border-radius:16px;line-height:1.5;overflow-x:auto;word-wrap:break-word;overflow-wrap:break-word}.chat-bubble.user .bubble{background:var(--bubble-user);color:var(--bubble-user-text);border-bottom-right-radius:4px;border-top-right-radius:16px}.chat-bubble.bot .bubble{background:var(--bubble-bot);color:var(--bubble-bot-text);border-bottom-left-radius:4px;border-top-left-radius:16px}.chat-bubble .bubble pre,.chat-bubble .bubble .markdown-code-block{max-width:100%;overflow-x:auto;white-space:pre-wrap;word-wrap:break-word;word-break:break-word;background:var(--code-bg);padding:8px 12px;border-radius:6px;font-size:13px;line-height:1.4;margin:8px 0}.chat-bubble .bubble code{font-family:Consolas,Monaco,Courier New,monospace;font-size:.9em}.chat-bubble .bubble p code,.chat-bubble .bubble li code{background:var(--code-bg);padding:2px 5px;border-radius:4px}.inference-metrics{display:flex;gap:12px;margin-top:8px;padding-top:6px;border-top:1px solid var(--color-border-subtle);font-size:var(--font-size-xs);color:var(--color-text-dim);opacity:.85}.inference-metrics span{display:inline-flex;align-items:center;gap:4px}.chat-input-container{padding:12px 24px 20px;display:flex;justify-content:center}.chat-input-card{width:100%;max-width:680px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--input-bg);box-shadow:var(--shadow-sm);overflow:hidden}.chat-input{display:flex;align-items:flex-end;gap:0;padding:10px 14px}.chat-text{flex:1;border:none;background:transparent;color:var(--input-text);font-size:var(--font-size);font-family:inherit;line-height:1.5;padding:4px 0;outline:none;resize:none;min-height:24px;max-height:200px;overflow-y:auto}.chat-text::placeholder{color:var(--input-placeholder)}.chat-send{width:36px;height:36px;border-radius:50%;border:none;background:var(--color-accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;transition:background .15s,opacity .15s}.chat-send:hover{background:var(--color-accent-hover)}.chat-send:disabled{opacity:.4;cursor:not-allowed}.chat-input-controls{display:flex;align-items:center;gap:6px;padding:4px 14px 8px}.input-pill{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:transparent;color:var(--color-text-dim);font-size:var(--font-size-md);font-family:inherit;cursor:pointer;transition:all .12s}.input-pill:hover{border-color:var(--color-text-dim);color:var(--color-text)}.input-pill.active{background:var(--color-accent-soft);border-color:var(--color-accent);color:var(--color-accent)}.input-pill-icon{font-size:14px}.typing-indicator{display:inline-flex;align-items:center;gap:6px;min-width:40px}.typing-indicator>span{display:inline-block;width:6px;height:6px;border-radius:var(--radius-pill);background:var(--color-text-dim);animation:typing-bounce 1.2s infinite ease-in-out}.typing-indicator>span:nth-child(2){animation-delay:.15s}.typing-indicator>span:nth-child(3){animation-delay:.3s}.thinking-dots{display:inline-flex;align-items:center;gap:3px}.thinking-dots 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