@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #0b0f1a;--bg-secondary: #111827;--bg-tertiary: #1a2035;--bg-elevated: #1e293b;--bg-surface: rgba(30, 41, 59, .6);--accent-primary: #275fec;--accent-primary-hover: #2158bd;--accent-secondary: #06b6d4;--accent-glow: rgba(124, 58, 237, .15);--accent-gradient: linear-gradient(135deg, #346ce5, #109dd4);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-tertiary: #64748b;--text-accent: #a78bfa;--border-subtle: rgba(148, 163, 184, .08);--border-medium: rgba(148, 163, 184, .12);--border-accent: rgba(124, 58, 237, .3);--success: #10b981;--warning: #f59e0b;--error: #ef4444;--glass-bg: rgba(17, 24, 39, .7);--glass-border: rgba(148, 163, 184, .1);--glass-blur: blur(20px);--chat-max-width: 768px;--sidebar-width: 260px;--header-height: 56px;--input-height: 56px;--ease-out: cubic-bezier(.16, 1, .3, 1);--transition-fast: .15s var(--ease-out);--transition-normal: .25s var(--ease-out);--transition-slow: .4s var(--ease-out);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 40px rgba(124, 58, 237, .08);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;transition:width var(--transition-normal);flex-shrink:0;z-index:20;overflow:hidden}.sidebar.collapsed{width:0;border-right:none}.sidebar-header,.sidebar-content,.sidebar-footer{transition:opacity var(--transition-fast);min-width:var(--sidebar-width)}.sidebar.collapsed .sidebar-header,.sidebar.collapsed .sidebar-content,.sidebar.collapsed .sidebar-footer{opacity:0;pointer-events:none}.sidebar-header{padding:12px;border-bottom:1px solid var(--border-subtle)}.btn-new-chat{width:100%;padding:10px 16px;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-medium);border-radius:var(--radius-md);font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all var(--transition-fast)}.btn-new-chat:hover{background:var(--bg-elevated);border-color:var(--border-accent)}.btn-new-chat svg{flex-shrink:0}.sidebar-content{flex:1;overflow-y:auto;padding:8px}.sidebar-section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);padding:12px 12px 6px}.sidebar-item{padding:10px 12px;border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-item:hover,.sidebar-item.active{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar-item-icon{font-size:16px;flex-shrink:0}.sidebar-footer{padding:12px;border-top:1px solid var(--border-subtle)}.sidebar-footer-info{font-size:11px;color:var(--text-tertiary);text-align:center;line-height:1.5}.main-area{flex:1;display:flex;flex-direction:column;min-width:0;position:relative;background:var(--bg-primary)}.main-area:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(148,163,184,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.02) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;z-index:0}.header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:#0b0f1acc;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--border-subtle);position:relative;z-index:10;flex-shrink:0}.header-left{display:flex;align-items:center;gap:12px}.btn-toggle-sidebar{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.btn-toggle-sidebar:hover{background:var(--bg-tertiary);color:var(--text-primary)}.header-title{display:flex;align-items:center;gap:8px}.header-title h1{font-size:16px;font-weight:600;color:var(--text-primary)}.header-title .model-label{font-size:11px;color:var(--text-tertiary);background:var(--bg-tertiary);padding:2px 8px;border-radius:var(--radius-full);font-weight:500}.header-right{display:flex;align-items:center;gap:4px}.header-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.header-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.status-indicator{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-tertiary);padding:4px 10px;border-radius:var(--radius-full)}.status-indicator .dot{width:6px;height:6px;border-radius:50%;background:var(--success)}.status-indicator.streaming .dot{background:var(--accent-primary);animation:pulse-dot 1.5s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.messages-area{flex:1;overflow-y:auto;overflow-x:hidden;position:relative;z-index:1;scroll-behavior:smooth}.messages-area::-webkit-scrollbar{width:6px}.messages-area::-webkit-scrollbar-track{background:transparent}.messages-area::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:var(--radius-full)}.messages-area::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:32px;text-align:center;animation:fade-up .6s var(--ease-out)}@keyframes fade-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.welcome-logo{width:64px;height:64px;display:flex;align-items:center;justify-content:center;font-size:36px;background:var(--accent-gradient);border-radius:var(--radius-lg);margin-bottom:24px;box-shadow:var(--shadow-glow)}.welcome h2{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:8px;letter-spacing:-.02em}.welcome p{font-size:15px;color:var(--text-secondary);margin-bottom:32px;max-width:420px}.welcome-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;max-width:520px;width:100%}.welcome-card{padding:14px 18px;background:var(--bg-surface);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);text-align:left;font-family:inherit;color:var(--text-secondary);font-size:13px;line-height:1.5}.welcome-card:hover{background:var(--bg-elevated);border-color:var(--border-accent);color:var(--text-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.welcome-card-icon{font-size:18px;margin-bottom:6px;display:block}.welcome-card-text{font-weight:400}.message-row{padding:20px 0;animation:msg-in .3s var(--ease-out)}@keyframes msg-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-row.assistant{background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);border-top:1px solid var(--border-subtle)}.message-inner{max-width:var(--chat-max-width);margin:0 auto;padding:0 24px;display:flex;gap:16px;align-items:flex-start}.message-avatar{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;margin-top:2px}.message-row.user .message-avatar{background:var(--accent-primary);color:#fff;font-size:13px;font-weight:600}.message-row.assistant .message-avatar{background:var(--accent-gradient);box-shadow:0 0 12px #7c3aed33}.message-body{flex:1;min-width:0}.message-sender{font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.message-text{font-size:15px;line-height:1.7;color:var(--text-primary);word-wrap:break-word}.message-row.user .message-text{color:var(--text-secondary)}.message-text h1,.message-text h2,.message-text h3,.message-text h4{color:var(--text-primary);font-weight:600;letter-spacing:-.01em;margin-top:16px;margin-bottom:8px}.message-text h1:first-child,.message-text h2:first-child,.message-text h3:first-child{margin-top:0}.message-text h1{font-size:20px}.message-text h2{font-size:17px}.message-text h3{font-size:15px}.message-text p{margin:0 0 10px}.message-text p:last-child{margin-bottom:0}.message-text strong{color:var(--text-primary);font-weight:600}.message-text em{font-style:italic;color:var(--text-secondary)}.message-text ul,.message-text ol{margin:8px 0;padding-left:22px}.message-text li{margin-bottom:4px;color:var(--text-primary)}.message-text li::marker{color:var(--accent-primary)}.message-text code{font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:13px;background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;color:var(--text-accent)}.message-text pre{background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:14px;margin:10px 0;overflow-x:auto}.message-text pre code{background:none;padding:0;font-size:13px;line-height:1.6;color:var(--text-secondary)}.message-text blockquote{border-left:3px solid var(--accent-primary);margin:10px 0;padding:8px 16px;background:#7c3aed0d;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary)}.message-text a{color:var(--accent-secondary);text-decoration:none}.message-text a:hover{text-decoration:underline}.message-text hr{border:none;border-top:1px solid var(--border-subtle);margin:16px 0}.message-text table{width:100%;border-collapse:collapse;margin:10px 0;font-size:13px}.message-text th,.message-text td{border:1px solid var(--border-medium);padding:8px 12px;text-align:left}.message-text th{background:var(--bg-tertiary);font-weight:600;color:var(--text-primary)}.message-text td{color:var(--text-secondary)}.tool-card{margin-top:12px;border:1px solid var(--border-medium);border-radius:var(--radius-md);overflow:hidden;background:var(--bg-primary);transition:all var(--transition-fast)}.tool-card:hover{border-color:var(--border-accent)}.tool-card-header{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;font-size:13px;font-weight:500;color:var(--text-secondary);transition:color var(--transition-fast);-webkit-user-select:none;user-select:none}.tool-card-header:hover{color:var(--text-primary)}.tool-card-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:6px;font-size:12px;flex-shrink:0}.tool-card-icon.running{background:#7c3aed26;color:var(--accent-primary)}.tool-card-icon.success{background:#10b98126;color:var(--success)}.tool-card-name{flex:1;font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:12px}.tool-card-chevron{transition:transform var(--transition-fast);color:var(--text-tertiary)}.tool-card[open] .tool-card-chevron{transform:rotate(90deg)}.tool-card-body{padding:0 14px 14px;border-top:1px solid var(--border-subtle)}.tool-card-body pre{font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:12px;line-height:1.6;color:var(--text-secondary);background:var(--bg-tertiary);padding:12px;border-radius:var(--radius-sm);overflow-x:auto;margin-top:10px;white-space:pre-wrap;word-break:break-all}.tool-running-indicator{display:flex;align-items:center;gap:10px;padding:10px 14px;margin-top:12px;background:#7c3aed0f;border:1px solid rgba(124,58,237,.15);border-radius:var(--radius-md);font-size:13px;color:var(--text-secondary)}.tool-spinner{width:16px;height:16px;border:2px solid rgba(124,58,237,.2);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.approval-card{margin-top:12px;background:var(--bg-primary);border:1px solid var(--warning);border-radius:var(--radius-md);overflow:hidden}.approval-card-header{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#f59e0b0f;border-bottom:1px solid rgba(245,158,11,.15);font-size:14px;font-weight:500;color:var(--text-primary)}.approval-card-header .icon{font-size:18px}.approval-card-body{padding:14px 16px}.approval-card-body pre{font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:12px;line-height:1.6;color:var(--text-secondary);background:var(--bg-tertiary);padding:12px;border-radius:var(--radius-sm);margin-bottom:14px;overflow-x:auto;white-space:pre-wrap}.approval-actions{display:flex;gap:8px}.btn-approve{padding:8px 20px;background:var(--success);color:#fff;border:none;border-radius:var(--radius-sm);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.btn-approve:hover{background:#059669;transform:translateY(-1px);box-shadow:0 4px 12px #10b9814d}.btn-reject{padding:8px 20px;background:transparent;color:var(--text-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-sm);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.btn-reject:hover{background:#ef444414;border-color:var(--error);color:var(--error)}.streaming-dots{display:flex;gap:4px;padding:20px 0}.streaming-dots-inner{max-width:var(--chat-max-width);margin:0 auto;padding:0 24px;display:flex;gap:16px;align-items:flex-start}.streaming-dots span{width:6px;height:6px;border-radius:50%;background:var(--text-tertiary);animation:bounce-dot 1.4s ease-in-out infinite}.streaming-dots span:nth-child(2){animation-delay:.2s}.streaming-dots span:nth-child(3){animation-delay:.4s}@keyframes bounce-dot{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.input-area{position:relative;z-index:10;padding:16px 24px 24px;background:linear-gradient(to top,var(--bg-primary) 60%,transparent)}.input-wrapper{max-width:var(--chat-max-width);margin:0 auto}.input-bar{display:flex;align-items:center;gap:8px;background:var(--bg-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-xl);padding:4px 4px 4px 20px;transition:all var(--transition-normal);box-shadow:var(--shadow-md)}.input-bar:focus-within{border-color:var(--accent-primary);box-shadow:var(--shadow-md),0 0 0 1px #7c3aed33}.input-bar input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-family:inherit;font-size:15px;padding:12px 0;min-width:0}.input-bar input::placeholder{color:var(--text-tertiary)}.btn-send{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--accent-primary);border:none;border-radius:50%;color:#fff;cursor:pointer;transition:all var(--transition-fast);flex-shrink:0}.btn-send:hover:not(:disabled){background:var(--accent-primary-hover);transform:scale(1.05);box-shadow:0 0 16px #7c3aed66}.btn-send:disabled{opacity:.3;cursor:default}.input-footer{text-align:center;margin-top:10px;font-size:11px;color:var(--text-tertiary)}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;width:var(--sidebar-width);z-index:100;box-shadow:var(--shadow-lg);transform:translate(0);transition:transform var(--transition-normal)}.sidebar.collapsed{transform:translate(-100%);width:var(--sidebar-width)}.sidebar.collapsed .sidebar-header,.sidebar.collapsed .sidebar-content,.sidebar.collapsed .sidebar-footer{opacity:1;pointer-events:auto}.sidebar-backdrop{display:block;position:fixed;inset:0;background:#00000080;z-index:99;opacity:1;transition:opacity var(--transition-normal)}.sidebar-backdrop.hidden{opacity:0;pointer-events:none}.welcome-grid{grid-template-columns:1fr}.message-inner{padding:0 16px}.input-area{padding:12px 16px 16px}.input-bar{border-radius:var(--radius-lg)}}@media(min-width:769px){.sidebar-backdrop{display:none}}