*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#101114;--bg-sidebar:#17191d;--bg-input:#24262b;--bg-elevated:#1e2024;--bg-hover:#2a2d33;--bg-active:#32363e;--text-primary:#f5f5f5;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent:#6c8ef5;--accent-hover:#8aa3ff;--accent-dim:#6c8ef526;--danger:#ef4444;--danger-dim:#ef444426;--success:#22c55e;--warning:#f59e0b;--border:#ffffff14;--border-focus:#6c8ef580;--shadow:0 4px 24px #0006;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--sidebar-width:260px;--transition:.15s ease;--font-mono:"JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", monospace}html,body{width:100%;height:100%;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,Meiryo,Segoe UI,sans-serif;font-size:15px;line-height:1.6}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}#app{width:100%;height:100dvh;display:flex;overflow:hidden}.view{width:100%;height:100%;display:none}.view.active{display:flex}.setup-view{flex-direction:column;justify-content:center;align-items:center;gap:24px;padding:24px;overflow-y:auto}.setup-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:560px;box-shadow:var(--shadow);padding:32px}.setup-header{text-align:center;margin-bottom:28px}.setup-logo{justify-content:center;align-items:center;gap:10px;margin-bottom:16px;display:flex}.setup-logo svg{color:var(--accent)}.setup-title{color:var(--text-primary);letter-spacing:-.3px;font-size:24px;font-weight:700}.setup-subtitle{color:var(--text-secondary);margin-top:6px;font-size:14px}.model-info-section{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-primary);margin-bottom:20px;padding:16px}.model-info-row{align-items:baseline;gap:8px;margin-bottom:8px;font-size:13px;display:flex}.model-info-row:last-child{margin-bottom:0}.model-info-label{color:var(--text-secondary);flex-shrink:0;min-width:80px}.model-info-value{color:var(--text-primary);word-break:break-all;font-weight:500}.model-info-value a{color:var(--accent);text-decoration:none}.model-info-value a:hover{text-decoration:underline}.engine-status{border-radius:20px;align-items:center;gap:6px;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.engine-status.supported{color:var(--success);background:#22c55e26;border:1px solid #22c55e4d}.engine-status.unsupported{color:var(--danger);background:#ef444426;border:1px solid #ef44444d}.engine-status.checking{color:var(--warning);background:#f59e0b26;border:1px solid #f59e0b4d}.variant-selector{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px;display:grid}.variant-option{border:2px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--transition), background var(--transition);background:var(--bg-primary);padding:14px}.variant-option:hover{background:var(--accent-dim);border-color:#6c8ef566}.variant-option.selected{border-color:var(--accent);background:var(--accent-dim)}.variant-option input[type=radio]{display:none}.variant-name{color:var(--text-primary);margin-bottom:4px;font-size:15px;font-weight:600}.variant-size{color:var(--text-secondary);font-size:12px}.variant-desc{color:var(--text-muted);margin-top:4px;font-size:11px;line-height:1.4}.download-progress-section{margin-bottom:20px}.progress-labels{color:var(--text-secondary);justify-content:space-between;margin-bottom:8px;font-size:12px;display:flex}.progress-bar-track{background:var(--bg-hover);border-radius:3px;height:6px;margin-bottom:10px;overflow:hidden}.progress-bar-fill{background:var(--accent);border-radius:3px;width:0%;height:100%;transition:width .3s}.progress-stats{color:var(--text-secondary);gap:16px;font-size:12px;display:flex}.download-status-text{color:var(--text-secondary);text-align:center;margin-top:8px;font-size:13px}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);white-space:nowrap;-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 18px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:not(:disabled):hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-hover);color:var(--text-primary)}.btn-secondary:not(:disabled):hover{background:var(--bg-active)}.btn-danger{background:var(--danger-dim);color:var(--danger);border:1px solid #ef44444d}.btn-danger:not(:disabled):hover{background:#ef444440}.btn-ghost{color:var(--text-secondary);background:0 0;padding:8px}.btn-ghost:not(:disabled):hover{background:var(--bg-hover);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:13px}.btn-full{width:100%}.btn-row{gap:10px;margin-top:4px;display:flex}.chat-view{flex-direction:row;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);transition:transform var(--transition);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar-header{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:14px 12px;display:flex}.sidebar-logo{flex:1;align-items:center;gap:8px;text-decoration:none;display:flex;overflow:hidden}.sidebar-logo-icon{color:var(--accent);flex-shrink:0}.sidebar-logo-text{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.new-chat-btn{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);background:0 0;border:none;flex-shrink:0;align-items:center;padding:6px;display:flex}.new-chat-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-search{border-bottom:1px solid var(--border);padding:10px 12px}.sidebar-search input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:border-color var(--transition);outline:none;padding:7px 10px;font-size:13px}.sidebar-search input:focus{border-color:var(--border-focus)}.sidebar-search input::placeholder{color:var(--text-muted)}.conv-list{flex:1;padding:8px 6px;overflow-y:auto}.conv-item{border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition);group:true;align-items:center;gap:8px;padding:8px 10px;display:flex;position:relative}.conv-item:hover{background:var(--bg-hover)}.conv-item.active{background:var(--bg-active)}.conv-icon{color:var(--text-muted);flex-shrink:0}.conv-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;overflow:hidden}.conv-title-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:13px}.conv-time{color:var(--text-muted);flex-shrink:0;font-size:11px}.conv-actions{flex-shrink:0;gap:2px;display:none}.conv-item:hover .conv-actions,.conv-item.active .conv-actions{display:flex}.conv-item:hover .conv-time{display:none}.conv-action-btn{color:var(--text-muted);cursor:pointer;transition:all var(--transition);background:0 0;border:none;border-radius:4px;align-items:center;padding:3px;display:flex}.conv-action-btn:hover{background:var(--bg-elevated);color:var(--text-primary)}.conv-action-btn.danger:hover{color:var(--danger)}.conv-list-empty{text-align:center;color:var(--text-muted);padding:32px 16px;font-size:13px}.sidebar-footer{border-top:1px solid var(--border);padding:10px 12px}.settings-btn{border-radius:var(--radius-sm);cursor:pointer;width:100%;color:var(--text-secondary);transition:all var(--transition);text-align:left;background:0 0;border:none;align-items:center;gap:10px;padding:9px 10px;font-family:inherit;font-size:13px;display:flex}.settings-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-main{background:var(--bg-primary);flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.chat-topbar{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:10px;padding:12px 16px;display:flex}.menu-toggle-btn{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition);background:0 0;border:none;align-items:center;padding:6px;display:none}.menu-toggle-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-topbar-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:14px;font-weight:600;overflow:hidden}.model-badge{background:var(--accent-dim);color:var(--accent);border:1px solid #6c8ef540;border-radius:20px;flex-shrink:0;align-items:center;gap:4px;padding:4px 10px;font-size:11px;font-weight:600;display:inline-flex}.messages-container{scroll-behavior:smooth;flex:1;padding:16px;overflow-y:auto}.messages-inner{flex-direction:column;gap:4px;max-width:800px;margin:0 auto;display:flex}.welcome-screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;height:100%;padding:32px;display:flex}.welcome-icon{color:var(--accent);margin-bottom:4px}.welcome-title{color:var(--text-primary);letter-spacing:-.5px;font-size:28px;font-weight:700}.welcome-subtitle{color:var(--text-secondary);font-size:15px}.welcome-model-status{background:var(--bg-elevated);border-radius:var(--radius-md);border:1px solid var(--border);color:var(--text-secondary);align-items:center;gap:8px;margin-top:12px;padding:8px 16px;font-size:13px;display:flex}.status-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.status-dot.loading{background:var(--warning);animation:1.5s infinite pulse}.status-dot.ready{background:var(--success)}.status-dot.error{background:var(--danger)}.status-dot.idle{background:var(--text-muted)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.message{gap:12px;padding:8px 0;animation:.2s messageIn;display:flex}@keyframes messageIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.message-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:flex}.message-avatar.user{background:var(--accent-dim);color:var(--accent);border:1px solid #6c8ef54d}.message-avatar.assistant{color:var(--success);background:#22c55e26;border:1px solid #22c55e4d}.message-content{flex:1;min-width:0}.message-header{align-items:center;gap:8px;margin-bottom:4px;display:flex}.message-role{color:var(--text-primary);font-size:13px;font-weight:600}.message-time{color:var(--text-muted);font-size:11px}.message-body{color:var(--text-primary);word-break:break-word;font-size:15px;line-height:1.7}.message-body p{margin-bottom:.6em}.message-body p:last-child{margin-bottom:0}.message-body ul,.message-body ol{margin-bottom:.6em;padding-left:1.4em}.message-body li{margin-bottom:.2em}.message-body h1,.message-body h2,.message-body h3{margin-top:.8em;margin-bottom:.4em;font-weight:700}.message-body h1{font-size:1.3em}.message-body h2{font-size:1.15em}.message-body h3{font-size:1.05em}.message-body table{border-collapse:collapse;width:100%;margin-bottom:.6em;font-size:13px}.message-body th,.message-body td{border:1px solid var(--border);text-align:left;padding:6px 10px}.message-body th{background:var(--bg-elevated);font-weight:600}.message-body blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);margin:.6em 0;padding-left:12px}.message-body code{background:var(--bg-elevated);font-family:var(--font-mono);border-radius:4px;padding:2px 6px;font-size:.88em}.message-body a{color:var(--accent);text-decoration:none}.message-body a:hover{text-decoration:underline}.code-block{border:1px solid var(--border);border-radius:var(--radius-md);background:#0d0f12;margin:.6em 0;overflow:hidden}.code-header{border-bottom:1px solid var(--border);background:#ffffff08;justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.code-lang{color:var(--text-muted);font-size:11px;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.05em}.copy-code-btn{background:var(--bg-hover);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);border-radius:4px;align-items:center;gap:4px;padding:3px 8px;font-family:inherit;font-size:11px;display:inline-flex}.copy-code-btn:hover{background:var(--bg-active);color:var(--text-primary)}.copy-code-btn.copied{color:var(--success);border-color:#22c55e4d}.code-block pre{padding:14px 16px;overflow-x:auto}.code-block code{font-family:var(--font-mono);color:#e5e7eb;background:0 0;padding:0;font-size:13px;line-height:1.6}.message-actions{opacity:0;transition:opacity var(--transition);gap:4px;margin-top:6px;display:flex}.message:hover .message-actions{opacity:1}.msg-action-btn{border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);background:0 0;align-items:center;gap:4px;padding:4px 8px;font-family:inherit;font-size:12px;display:inline-flex}.msg-action-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.generating-indicator{color:var(--text-muted);align-items:center;gap:4px;padding:4px 0;font-size:13px;display:flex}.dot-flashing{gap:4px;display:flex}.dot-flashing span{background:var(--text-muted);border-radius:50%;width:5px;height:5px;animation:1.2s linear infinite dotFlash}.dot-flashing span:first-child{animation-delay:0s}.dot-flashing span:nth-child(2){animation-delay:.2s}.dot-flashing span:nth-child(3){animation-delay:.4s}@keyframes dotFlash{0%,80%,to{opacity:.2;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.scroll-to-bottom{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow);transition:all var(--transition);z-index:10;border-radius:20px;align-items:center;gap:6px;padding:8px 14px;font-family:inherit;font-size:13px;display:none;position:absolute;bottom:100px;left:50%;transform:translate(-50%)}.scroll-to-bottom:hover{background:var(--bg-hover);color:var(--text-primary)}.scroll-to-bottom.visible{display:inline-flex}.input-area{border-top:1px solid var(--border);background:var(--bg-primary);flex-shrink:0;padding:12px 16px 16px}.input-inner{max-width:800px;margin:0 auto}.input-box{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color var(--transition);align-items:flex-end;gap:8px;padding:10px 10px 10px 16px;display:flex}.input-box:focus-within{border-color:var(--border-focus)}.chat-textarea{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;max-height:200px;padding:2px 0;font-family:inherit;font-size:15px;line-height:1.5;overflow-y:auto}.chat-textarea::placeholder{color:var(--text-muted)}.send-btn,.stop-btn{border-radius:var(--radius-sm);cursor:pointer;width:36px;height:36px;transition:all var(--transition);border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex}.send-btn{background:var(--accent);color:#fff}.send-btn:not(:disabled):hover{background:var(--accent-hover)}.send-btn:disabled{background:var(--bg-hover);color:var(--text-muted);cursor:not-allowed}.stop-btn{background:var(--danger-dim);color:var(--danger);border:1px solid #ef44444d}.stop-btn:hover{background:#ef444440}.input-hint{color:var(--text-muted);text-align:center;margin-top:8px;font-size:11px}.settings-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0009;justify-content:center;align-items:center;padding:16px;display:none;position:fixed;inset:0}.settings-overlay.open{display:flex}.settings-panel{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:520px;max-height:90dvh;box-shadow:var(--shadow);flex-direction:column;display:flex}.settings-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:12px;padding:18px 20px;display:flex}.settings-title{color:var(--text-primary);flex:1;font-size:17px;font-weight:700}.settings-body{flex:1;padding:20px;overflow-y:auto}.settings-section{margin-bottom:24px}.settings-section:last-child{margin-bottom:0}.settings-section-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px;font-size:11px;font-weight:700}.form-group{margin-bottom:14px}.form-group:last-child{margin-bottom:0}.form-label{color:var(--text-secondary);justify-content:space-between;align-items:center;margin-bottom:6px;font-size:13px;display:flex}.form-label span:last-child{color:var(--text-primary);font-weight:600}.form-control{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:border-color var(--transition);outline:none;padding:8px 12px;font-family:inherit;font-size:14px}.form-control:focus{border-color:var(--border-focus)}.form-control[type=range]{cursor:pointer;accent-color:var(--accent);background:0 0;border:none;padding:4px 0}.form-note{color:var(--text-muted);margin-top:4px;font-size:11px}.form-note.warn{color:var(--warning)}textarea.form-control{resize:vertical;min-height:80px}select.form-control{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:30px}.toggle-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:10px 0;display:flex}.toggle-row:last-child{border-bottom:none}.toggle-label{color:var(--text-primary);font-size:13px}.toggle-sub{color:var(--text-muted);margin-top:2px;font-size:11px}.toggle-switch{flex-shrink:0;width:40px;height:22px;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{background:var(--bg-hover);cursor:pointer;transition:background var(--transition);border:1px solid var(--border);border-radius:11px;position:absolute;inset:0}.toggle-slider:before{content:"";background:var(--text-muted);width:16px;height:16px;transition:transform var(--transition), background var(--transition);border-radius:50%;position:absolute;top:2px;left:2px}.toggle-switch input:checked+.toggle-slider{background:var(--accent-dim);border-color:#6c8ef566}.toggle-switch input:checked+.toggle-slider:before{background:var(--accent);transform:translate(18px)}.alert{border-radius:var(--radius-md);align-items:flex-start;gap:10px;margin-bottom:16px;padding:12px 16px;font-size:13px;line-height:1.5;display:flex}.alert-error{background:var(--danger-dim);color:#fca5a5;border:1px solid #ef44444d}.alert-warning{color:#fcd34d;background:#f59e0b1a;border:1px solid #f59e0b4d}.alert-info{background:var(--accent-dim);color:#a5b4fc;border:1px solid #6c8ef54d}.alert-success{color:#86efac;background:#22c55e1a;border:1px solid #22c55e4d}.toast-container{z-index:1000;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:20px;right:20px}.toast{border-radius:var(--radius-md);color:var(--text-primary);background:var(--bg-elevated);border:1px solid var(--border);box-shadow:var(--shadow);max-width:320px;padding:12px 16px;font-size:13px;animation:.2s toastIn,.2s 2.8s forwards toastOut}.toast.success{border-color:#22c55e66}.toast.error{border-color:#ef444466}@keyframes toastIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes toastOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(10px)}}.divider{border:none;border-top:1px solid var(--border);margin:16px 0}.spinner{border:2px solid #fff3;border-top-color:var(--accent);border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:768px){.sidebar{z-index:50;height:100dvh;transition:transform .25s;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{z-index:49;background:#00000080;display:none;position:fixed;inset:0}.sidebar-overlay.open{display:block}.menu-toggle-btn{display:flex}.chat-main{width:100%}.setup-card{padding:20px}.variant-selector{grid-template-columns:1fr}.settings-panel{max-height:95dvh}}.needs-setup-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:20;text-align:center;background:#101114cc;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px;display:flex;position:absolute;inset:0}.needs-setup-overlay h2{color:var(--text-primary);font-size:20px}.needs-setup-overlay p{color:var(--text-secondary);font-size:14px}