@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500;700&display=swap";
:root{--bg:#1a1a18;--surface:#2e2e2a;--surface-2:#383832;--text:#f5f0e8;--text-muted:#e8e2d6;--text-dim:#9a9488;--orange:#ff5c00;--orange-hover:#c44400;--green:#00e062;--green-hover:#00a847;--border:#f5f0e814;--border-hover:#f5f0e829;--font:"IBM Plex Mono", "JetBrains Mono", "Geist Mono", monospace;--radius:6px;--radius-lg:12px;--sidebar-w:260px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea{font-family:inherit}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--surface-2);border-radius:4px}.app-shell{height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar-header{border-bottom:1px solid var(--border);padding:20px 16px 16px}.logo{align-items:center;gap:10px;margin-bottom:16px;display:flex}.logo-icon{flex-shrink:0;width:32px;height:32px;position:relative}.logo-text{color:var(--text);letter-spacing:-.02em;font-size:18px;font-weight:500}.new-chat-btn{background:var(--orange);color:#fff;border-radius:var(--radius);border:none;align-items:center;gap:8px;width:100%;padding:9px 12px;font-size:13px;font-weight:500;transition:background .15s;display:flex}.new-chat-btn:hover{background:var(--orange-hover)}.sidebar-section-label{color:var(--text-dim);letter-spacing:.08em;text-transform:uppercase;padding:14px 16px 6px;font-size:11px;font-weight:500}.sidebar-conversations{flex:1;padding:4px 8px;overflow-y:auto}.conv-item{border-radius:var(--radius);cursor:pointer;group:true;justify-content:space-between;align-items:center;gap:8px;padding:8px 10px;transition:background .12s;display:flex}.conv-item:hover,.conv-item.active{background:var(--surface-2)}.conv-title{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;overflow:hidden}.conv-item.active .conv-title{color:var(--text)}.conv-delete{opacity:0;color:var(--text-dim);background:0 0;border:none;border-radius:3px;flex-shrink:0;padding:2px;transition:opacity .12s,color .12s}.conv-item:hover .conv-delete{opacity:1}.conv-delete:hover{color:#f44}.sidebar-footer{border-top:1px solid var(--border);flex-direction:column;gap:4px;padding:12px 16px;display:flex}.sidebar-footer-btn{border-radius:var(--radius);color:var(--text-dim);text-align:left;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:8px 10px;font-size:13px;transition:background .12s,color .12s;display:flex}.sidebar-footer-btn:hover{background:var(--surface-2);color:var(--text)}.chat-main{background:var(--bg);flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:12px;padding:16px 24px;display:flex}.chat-header-title{color:var(--text-muted);font-size:14px;font-weight:500}.chat-files-bar{border-bottom:1px solid var(--border);flex-shrink:0;gap:8px;padding:8px 24px;display:flex;overflow-x:auto}.file-chip{background:var(--surface);border:1px solid var(--border);color:var(--text-muted);white-space:nowrap;border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-size:12px;display:flex}.file-chip-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:6px;height:6px}.messages-container{flex-direction:column;flex:1;gap:0;width:100%;max-width:800px;margin:0 auto;padding:24px;display:flex;overflow-y:auto}.empty-state{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:40px;display:flex}.empty-state-icon{opacity:.4;width:48px;height:48px}.empty-state-title{color:var(--text);font-size:20px;font-weight:500}.empty-state-sub{color:var(--text-dim);max-width:380px;font-size:14px;line-height:1.6}.message-row{border-bottom:1px solid var(--border);flex-direction:column;gap:6px;padding:16px 0;display:flex}.message-row:last-child{border-bottom:none}.message-role{letter-spacing:.08em;text-transform:uppercase;font-size:11px;font-weight:700}.message-role.user{color:var(--text-dim)}.message-role.assistant{color:var(--orange)}.message-content{color:var(--text);font-size:14px;line-height:1.75}.message-content p{margin-bottom:10px}.message-content p:last-child{margin-bottom:0}.message-content code{background:var(--surface);border:1px solid var(--border);color:var(--green);border-radius:4px;padding:1px 5px;font-size:13px}.message-content pre{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin:10px 0;padding:14px 16px;overflow-x:auto}.message-content pre code{color:var(--text-muted);background:0 0;border:none;padding:0;font-size:13px}.message-content ul,.message-content ol{margin-bottom:10px;padding-left:20px}.message-content li{margin-bottom:4px}.message-content strong{color:var(--text);font-weight:700}.sources-section{margin-top:12px}.sources-toggle{border:1px solid var(--border);border-radius:var(--radius);color:var(--text-dim);background:0 0;align-items:center;gap:6px;padding:5px 10px;font-size:12px;transition:border-color .15s,color .15s;display:inline-flex}.sources-toggle:hover{border-color:var(--border-hover);color:var(--text)}.sources-list{flex-direction:column;gap:6px;margin-top:8px;display:flex}.source-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 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var(--border);border-radius:var(--radius);background:var(--surface);max-width:320px;margin-top:8px;padding:10px 12px}.reason-picker-header{color:var(--text-dim);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:11px;display:flex}.reason-dismiss{color:var(--text-dim);cursor:pointer;background:0 0;border:none;align-items:center;padding:2px;display:flex}.reason-dismiss:hover{color:var(--text)}.reason-options{flex-direction:column;gap:4px;display:flex}.reason-option{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);text-align:left;cursor:pointer;background:0 0;padding:5px 10px;font-size:12px;transition:all .12s}.reason-option:hover{color:#f44;background:#ff44440f;border-color:#f44}.thinking{color:var(--text-dim);align-items:center;gap:6px;padding:16px 0;font-size:13px;display:flex}.thinking-dots{gap:4px;display:flex}.thinking-dots span{background:var(--orange);border-radius:50%;width:5px;height:5px;animation:1.2s ease-in-out infinite 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th{text-align:left;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);border-bottom:1px solid var(--border);padding:8px 12px;font-size:11px;font-weight:700}.doc-table td{color:var(--text-muted);border-bottom:1px solid var(--border);padding:12px;font-size:13px}.doc-table tr:last-child td{border-bottom:none}.status-badge{border-radius:20px;align-items:center;gap:5px;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}.status-badge.ready{color:var(--green);background:#00e0621f}.status-badge.processing{color:var(--orange);background:#ff5c001f}.status-badge.error{color:#f44;background:#ff44441f}.sr-only{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.landing{color:#f5f0e8;background:#1a1a18;min-height:100vh}.landing a{color:inherit;text-decoration:none}html:has(.landing){scroll-behavior:smooth;scroll-padding-top:80px}.lnd-container{max-width:1120px;margin:0 auto;padding:0 32px}.lnd-container-narrow{max-width:720px;margin:0 auto;padding:0 32px}.lnd-section{border-top:1px solid #f5f0e814;padding:96px 0}.lnd-no-border{border-top:none!important}.lnd-eyebrow{letter-spacing:.08em;text-transform:uppercase;color:#ff5c00;margin-bottom:14px;font-size:11px;font-weight:700}.lnd-section-title{letter-spacing:-.01em;color:#f5f0e8;text-wrap:pretty;max-width:640px;margin-bottom:16px;font-size:36px;font-weight:500;line-height:1.2}.lnd-section-sub{color:#e8e2d6;max-width:560px;font-size:16px;line-height:1.7}.lnd-nav{z-index:50;-webkit-backdrop-filter:blur(8px);background:#1a1a18e6;border-bottom:1px solid #f5f0e814;position:sticky;top:0}.lnd-nav-inner{align-items:center;gap:32px;max-width:1120px;margin:0 auto;padding:14px 32px;display:flex}.lnd-nav-logo{flex-shrink:0;align-items:center;gap:10px;display:flex}.lnd-nav-logo span{letter-spacing:-.02em;color:#f5f0e8;font-size:18px;font-weight:500}.lnd-nav-links{flex:1;align-items:center;gap:24px;display:flex}.lnd-nav-links 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