@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a26;--bg-elevated:#22222e;--bg-hover:#2a2a38;--text-primary:#e8e8f0;--text-secondary:#9898a8;--text-tertiary:#686878;--text-inverse:#0a0a0f;--accent:#00d4aa;--accent-hover:#00e8bb;--accent-dim:#00d4aa26;--accent-glow:#00d4aa4d;--branch-main:#00d4aa;--branch-active:#6c7aff;--branch-alt:#ff6c8a;--branch-dim:#556;--status-generating:#f0c040;--status-error:#f46;--status-success:#00d4aa;--glass-bg:#12121ad9;--glass-border:#ffffff0f;--glass-shadow:0 8px 32px #0006;--sidebar-width:280px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:20px;--transition-fast:.15s ease;--transition-medium:.25s ease;--transition-slow:.4s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.6;overflow:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.app-layout{width:100%;height:100%;display:flex}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--glass-border);height:100%;transition:transform var(--transition-medium), min-width var(--transition-medium), width var(--transition-medium);z-index:10;flex-direction:column;display:flex}.sidebar.collapsed{width:0;min-width:0;transform:translateX(calc(-1 * var(--sidebar-width)))}.sidebar-header{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;padding:16px;display:flex}.sidebar-logo{letter-spacing:-.3px;align-items:center;gap:10px;font-size:16px;font-weight:700;display:flex}.sidebar-logo .logo-icon{background:linear-gradient(135deg, var(--accent), #6c7aff);border-radius:var(--radius-sm);justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;display:flex}.new-chat-btn{background:var(--accent-dim);width:calc(100% - 32px);color:var(--accent);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:1px solid #00d4aa33;justify-content:center;align-items:center;gap:8px;margin:12px 16px;padding:10px 16px;font-family:inherit;font-size:13px;font-weight:500;display:flex}.new-chat-btn:hover{border-color:var(--accent);background:#00d4aa40;transform:translateY(-1px)}.conversation-list{flex:1;padding:8px;overflow-y:auto}.conversation-item{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);justify-content:space-between;align-items:center;margin-bottom:2px;padding:10px 12px;display:flex}.conversation-item:hover{background:var(--bg-hover)}.conversation-item.active{background:var(--accent-dim);border:1px solid #00d4aa26}.conversation-item-title{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;font-weight:500;overflow:hidden}.conversation-item-time{color:var(--text-tertiary);white-space:nowrap;font-size:11px}.conversation-item-delete{opacity:0;color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;flex-shrink:0;margin-left:4px;padding:4px;font-size:14px}.conversation-item:hover .conversation-item-delete{opacity:1}.conversation-item-delete:hover{color:var(--status-error);background:#ff44661a}.sidebar-footer{border-top:1px solid var(--glass-border);color:var(--text-secondary);align-items:center;gap:8px;padding:12px 16px;font-size:12px;display:flex}.model-status-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.model-status-dot.ready{background:var(--status-success);box-shadow:0 0 8px var(--accent-glow)}.model-status-dot.loading{background:var(--status-generating);animation:1.5s infinite pulse}.model-status-dot.error{background:var(--status-error)}.model-status-dot.unloaded{background:var(--text-tertiary)}.main-content{flex:1;min-width:0;height:100%;display:flex}.chat-pane{flex-direction:column;flex:1;min-width:0;height:100%;display:flex;position:relative}.chat-header{border-bottom:1px solid var(--glass-border);background:var(--bg-secondary);z-index:5;align-items:center;gap:12px;padding:12px 20px;display:flex}.sidebar-toggle{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;padding:4px 8px;font-size:18px}.sidebar-toggle:hover{color:var(--text-primary);background:var(--bg-hover)}.chat-header-title{flex:1;font-size:14px;font-weight:600}.branch-indicator{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--glass-border);border-radius:100px;padding:3px 10px;font-size:11px}.chat-messages{flex-direction:column;flex:1;gap:4px;padding:20px;display:flex;overflow-y:auto}.chat-empty{color:var(--text-tertiary);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;display:flex}.chat-empty-icon{opacity:.3;font-size:48px}.chat-empty h2{color:var(--text-secondary);font-size:20px;font-weight:600}.chat-empty p{text-align:center;max-width:360px;font-size:13px;line-height:1.7}.message-row{gap:12px;padding:8px 0;animation:.3s messageIn;display:flex;position:relative}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.message-avatar{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;margin-top:2px;font-size:14px;display:flex}.message-avatar.user{background:linear-gradient(135deg,#6c7aff,#a855f7);order:2}.message-avatar.assistant{background:linear-gradient(135deg, var(--accent), #00a888)}.message-content{min-width:80px;max-width:70%}.message-bubble{border-radius:var(--radius-lg);word-wrap:break-word;padding:12px 16px;font-size:13.5px;line-height:1.7;position:relative}.message-bubble.user{border-bottom-right-radius:var(--radius-sm);background:linear-gradient(135deg,#6c7aff26,#a855f71a);border:1px solid #6c7aff26}.message-bubble.assistant{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-bottom-left-radius:var(--radius-sm)}.message-bubble.generating{border-color:var(--status-generating);border-style:solid}.message-bubble.generating:after{content:"▍";color:var(--status-generating);margin-left:2px;animation:1s step-end infinite blink}.message-bubble.error{border-color:var(--status-error)}.message-actions{align-items:center;gap:4px;margin-top:6px;display:flex}.branch-btn{opacity:0;background:var(--bg-tertiary);border:1px solid var(--glass-border);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);border-radius:100px;align-items:center;gap:4px;padding:3px 10px;font-family:inherit;font-size:11px;display:flex}.message-row:hover .branch-btn{opacity:1}.branch-btn:hover{background:var(--accent-dim);color:var(--accent);border-color:#00d4aa4d}.branch-count{background:var(--bg-tertiary);color:var(--text-tertiary);border:1px solid var(--glass-border);border-radius:100px;padding:2px 7px;font-size:10px}.chat-input-area{border-top:1px solid var(--glass-border);background:var(--bg-secondary);padding:16px 20px}.chat-input-wrapper{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--radius-lg);transition:border-color var(--transition-fast);align-items:flex-end;gap:10px;padding:6px 6px 6px 16px;display:flex}.chat-input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.chat-input{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:24px;max-height:120px;padding:6px 0;font-family:inherit;font-size:14px;line-height:1.5}.chat-input::placeholder{color:var(--text-tertiary)}.send-btn{border-radius:var(--radius-md);background:var(--accent);width:36px;height:36px;color:var(--text-inverse);cursor:pointer;transition:all var(--transition-fast);border:none;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.send-btn:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.05)}.send-btn:disabled{background:var(--bg-hover);color:var(--text-tertiary);cursor:not-allowed}.tree-pane{background:var(--bg-secondary);border-left:1px solid var(--glass-border);width:420px;min-width:300px;height:100%;transition:all var(--transition-medium);flex-direction:column;display:flex;position:relative}.tree-pane-fullscreen{z-index:50;border-left:none;animation:.2s fadeIn;position:fixed;inset:0;width:100%!important;min-width:100%!important}.tree-header{border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;padding:12px 16px;font-size:13px;font-weight:600;display:flex}.tree-header-actions{align-items:center;gap:4px;display:flex}.tree-action-btn{background:var(--bg-tertiary);border:1px solid var(--glass-border);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;width:30px;height:30px;transition:all var(--transition-fast);justify-content:center;align-items:center;font-family:inherit;font-size:14px;display:flex}.tree-action-btn:hover{background:var(--accent-dim);color:var(--accent);border-color:#00d4aa4d}.tree-container{flex:1;position:relative;overflow:hidden}.tree-empty{text-align:center;color:var(--text-tertiary);font-size:13px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.graph-tooltip{pointer-events:none;background:var(--glass-bg)!important;backdrop-filter:blur(12px)!important;border:1px solid var(--glass-border)!important;border-radius:var(--radius-md)!important;box-shadow:var(--glass-shadow)!important;max-width:320px!important;color:var(--text-primary)!important;padding:12px 16px!important;font-family:Inter,sans-serif!important;font-size:12px!important;line-height:1.5!important}.graph-tooltip .tooltip-role{text-transform:uppercase;letter-spacing:.8px;margin-bottom:4px;font-size:10px;font-weight:600}.graph-tooltip .tooltip-role.user{color:#6c7aff}.graph-tooltip .tooltip-role.assistant{color:var(--accent)}.graph-tooltip .tooltip-text{color:var(--text-secondary);white-space:pre-wrap;word-break:break-word}.graph-node-label{pointer-events:none;user-select:none;text-align:center;white-space:nowrap;flex-direction:column;align-items:center;gap:1px;display:flex}.graph-node-turn{letter-spacing:.3px;font-family:Inter,sans-serif;font-size:10px;font-weight:700}.graph-node-preview{color:#e8e8f080;text-overflow:ellipsis;max-width:120px;font-family:Inter,sans-serif;font-size:9px;overflow:hidden}.graph-legend{backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-md);color:var(--text-secondary);pointer-events:auto;z-index:5;background:#12121ae0;flex-direction:column;gap:5px;padding:10px 14px;font-size:11px;display:flex;position:absolute;bottom:12px;left:12px}.graph-legend-title{text-transform:uppercase;letter-spacing:.8px;color:var(--text-tertiary);margin-bottom:2px;font-size:10px;font-weight:700}.graph-legend-item{align-items:center;gap:8px;font-size:11px;display:flex}.graph-legend-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.graph-legend-diamond{background:#ff6c8a;flex-shrink:0;width:8px;height:8px;transform:rotate(45deg)}.modal-overlay{backdrop-filter:blur(4px);z-index:100;background:#0009;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-xl);width:520px;max-width:90vw;max-height:80vh;animation:.3s slideUp;overflow-y:auto;box-shadow:0 24px 64px #00000080}.modal-header{border-bottom:1px solid var(--glass-border);padding:20px 24px 16px}.modal-header h3{margin-bottom:4px;font-size:16px;font-weight:700}.modal-header p{color:var(--text-secondary);font-size:12px}.modal-body{flex-direction:column;gap:16px;padding:20px 24px;display:flex}.modal-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:12px;font-weight:600}.modal-textarea{background:var(--bg-tertiary);border:1px solid var(--glass-border);border-radius:var(--radius-md);width:100%;min-height:80px;color:var(--text-primary);resize:vertical;transition:border-color var(--transition-fast);outline:none;padding:12px;font-family:inherit;font-size:13px;line-height:1.6}.modal-textarea:focus{border-color:var(--accent)}.modal-info{border-radius:var(--radius-md);color:var(--status-generating);background:#f0c04014;border:1px solid #f0c04026;align-items:flex-start;gap:8px;padding:10px 14px;font-size:12px;display:flex}.modal-footer{border-top:1px solid var(--glass-border);justify-content:flex-end;gap:10px;padding:16px 24px 20px;display:flex}.btn-secondary{background:var(--bg-tertiary);border:1px solid var(--glass-border);color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);padding:8px 18px;font-family:inherit;font-size:13px;font-weight:500}.btn-secondary:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-primary{background:var(--accent);color:var(--text-inverse);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;padding:8px 18px;font-family:inherit;font-size:13px;font-weight:600}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.model-loader-overlay{backdrop-filter:blur(20px);z-index:200;background:#0a0a0ff2;justify-content:center;align-items:center;animation:.3s fadeIn;display:flex;position:fixed;inset:0}.model-loader-card{text-align:center;width:480px;max-width:90vw}.model-loader-icon{margin-bottom:24px;font-size:48px;animation:3s infinite float}.model-loader-card h2{background:linear-gradient(135deg, var(--accent), #6c7aff);-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px;font-size:22px;font-weight:700}.model-loader-card p{color:var(--text-secondary);margin-bottom:28px;font-size:13px}.progress-bar-track{background:var(--bg-tertiary);border-radius:3px;width:100%;height:6px;margin-bottom:20px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--accent), #6c7aff);border-radius:3px;height:100%;transition:width .4s}.progress-percent{color:var(--accent);margin-bottom:4px;font-size:28px;font-weight:700}.model-loader-steps{text-align:left;background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-md);max-height:200px;margin-top:20px;padding:12px 16px;overflow-y:auto}.model-loader-step{color:var(--text-secondary);align-items:flex-start;gap:8px;padding:2px 0;font-family:SF Mono,Fira Code,monospace;font-size:11px;animation:.2s messageIn;display:flex}.model-loader-step:before{content:"›";color:var(--accent);flex-shrink:0;font-weight:700}.model-loader-step:last-child{color:var(--text-primary)}.context-menu{background:var(--bg-elevated);border:1px solid var(--glass-border);border-radius:var(--radius-md);z-index:150;min-width:180px;padding:4px;animation:.15s fadeIn;position:fixed;box-shadow:0 12px 40px #00000080}.context-menu-item{cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);white-space:nowrap;width:100%;color:var(--text-primary);text-align:left;background:0 0;border:none;align-items:center;gap:8px;padding:8px 14px;font-family:inherit;font-size:12px;display:flex}.context-menu-item:hover{background:var(--accent-dim);color:var(--accent)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes messageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner{border:2px solid var(--glass-border);border-top-color:var(--status-generating);border-radius:50%;width:14px;height:14px;animation:.8s linear infinite spin;display:inline-block}@media (width<=900px){.tree-pane{display:none}}@media (width<=600px){.sidebar{z-index:20;height:100%;position:absolute}.sidebar.collapsed{transform:translateX(calc(-1 * var(--sidebar-width)))}}.onboarding-overlay{z-index:300;pointer-events:none;position:fixed;inset:0}.onboarding-backdrop{pointer-events:auto;z-index:301;position:fixed;inset:0}.onboarding-backdrop:before{content:"";z-index:-1;background:#000000b3;position:absolute;inset:0}.onboarding-spotlight{border:2px solid var(--accent);z-index:302;pointer-events:none;transition:all var(--transition-medium);animation:2s infinite spotlightPulse;position:absolute;box-shadow:0 0 0 9999px #000000b3}@keyframes spotlightPulse{0%,to{border-color:var(--accent);box-shadow:0 0 0 9999px #000000b3,0 0 20px #00d4aa33}50%{border-color:var(--accent-hover);box-shadow:0 0 0 9999px #000000b3,0 0 30px #00d4aa59}}.onboarding-backdrop-solid{backdrop-filter:blur(4px);pointer-events:auto;z-index:301;background:#000000bf;position:fixed;inset:0}.onboarding-tooltip{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-xl);z-index:310;pointer-events:auto;width:360px;padding:28px 24px 20px;animation:.35s slideUp;box-shadow:0 24px 64px #0009,0 0 40px #00d4aa14}.onboarding-tooltip-centered{text-align:center;width:420px;max-width:420px}.onboarding-tooltip-icon{margin-bottom:12px;font-size:32px}.onboarding-tooltip-centered .onboarding-tooltip-icon{margin-bottom:16px;font-size:40px}.onboarding-tooltip-title{color:var(--text-primary);margin-bottom:8px;font-size:16px;font-weight:700;line-height:1.3}.onboarding-tooltip-body{color:var(--text-secondary);margin-bottom:20px;font-size:13px;line-height:1.7}.onboarding-tooltip-footer{justify-content:space-between;align-items:center;gap:12px;display:flex}.onboarding-dots{gap:5px;display:flex}.onboarding-dot{background:var(--bg-hover);width:6px;height:6px;transition:all var(--transition-fast);border-radius:50%}.onboarding-dot.active{background:var(--accent);border-radius:3px;width:18px}.onboarding-dot.done{background:#00d4aa66}.onboarding-actions{gap:6px;display:flex}.onboarding-btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;padding:6px 14px;font-family:inherit;font-size:12px;font-weight:600}.onboarding-btn-primary{background:var(--accent);color:var(--text-inverse)}.onboarding-btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.onboarding-btn-secondary{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--glass-border)}.onboarding-btn-secondary:hover{background:var(--bg-hover);color:var(--text-primary)}.onboarding-btn-skip{color:var(--text-tertiary);background:0 0}.onboarding-btn-skip:hover{color:var(--text-secondary)}.onboarding-step-counter{color:var(--text-tertiary);font-size:10px;font-weight:600;position:absolute;top:10px;right:14px}