*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-tertiary: #0f3460;--text-primary: #eaeaea;--text-secondary: #a0a0a0;--accent: #e94560;--accent-hover: #ff6b6b;--success: #4ade80;--warning: #fbbf24;--border: #2a2a4a}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.app-container{display:flex;height:100vh;overflow:hidden}.login-container{display:flex;align-items:center;justify-content:center;height:100vh;background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 100%)}.login-box{background:var(--bg-secondary);padding:40px;border-radius:12px;box-shadow:0 8px 32px #0000004d;width:100%;max-width:400px}.login-box h1{margin-bottom:8px;color:var(--text-primary);font-size:24px}.login-box p{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.login-box input{width:100%;padding:12px 16px;margin-bottom:16px;border:1px solid var(--border);border-radius:8px;background:var(--bg-primary);color:var(--text-primary);font-size:14px}.login-box input:focus{outline:none;border-color:var(--accent)}.login-box button{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s}.login-box button:hover{background:var(--accent-hover)}.login-error{color:var(--accent);margin-bottom:16px;font-size:14px}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 50%,var(--bg-tertiary) 100%);padding:20px}.auth-box{background:var(--bg-secondary);padding:40px;border-radius:16px;box-shadow:0 20px 60px #0006;width:100%;max-width:420px;border:1px solid var(--border)}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo-icon{width:120px;height:auto;display:block;margin:0 auto 16px}.auth-logo h1{font-size:24px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.auth-logo p{font-size:14px;color:var(--text-secondary)}.auth-form{display:flex;flex-direction:column;gap:20px}.auth-tabs{display:flex;background:var(--bg-primary);border-radius:10px;padding:4px;gap:4px}.auth-tab{flex:1;padding:12px 16px;border:none;background:transparent;color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer;border-radius:8px;transition:all .2s}.auth-tab:hover{color:var(--text-primary)}.auth-tab.active{background:var(--accent);color:#fff}.auth-header{text-align:center;margin-bottom:8px}.auth-header h2{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.auth-header p{font-size:14px;color:var(--text-secondary)}.auth-header strong{color:var(--text-primary)}.auth-field{display:flex;flex-direction:column;gap:8px}.auth-field label{font-size:13px;font-weight:500;color:var(--text-secondary)}.auth-field input{padding:14px 16px;border:1px solid var(--border);border-radius:10px;background:var(--bg-primary);color:var(--text-primary);font-size:15px;transition:border-color .2s,box-shadow .2s}.auth-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #e9456026}.auth-field input::placeholder{color:var(--text-secondary);opacity:.6}.auth-hint{font-size:12px;color:var(--text-secondary)}.auth-hint-error{color:var(--accent)}.auth-error{padding:12px 16px;background:#e945601a;border:1px solid rgba(233,69,96,.3);border-radius:8px;color:var(--accent);font-size:14px}.auth-success{padding:12px 16px;background:#4ade801a;border:1px solid rgba(74,222,128,.3);border-radius:8px;color:var(--success);font-size:14px}.auth-submit{padding:14px 24px;background:var(--accent);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:8px}.auth-submit:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #e945604d}.auth-submit:disabled{opacity:.5;cursor:not-allowed;transform:none}.auth-links{display:flex;align-items:center;justify-content:center;gap:8px;padding-top:8px}.auth-link{background:none;border:none;color:var(--accent);font-size:14px;cursor:pointer;padding:0;transition:color .2s}.auth-link:hover{color:var(--accent-hover);text-decoration:underline}.auth-link:disabled{opacity:.5;cursor:not-allowed}.auth-text,.auth-separator{color:var(--text-secondary);font-size:14px}.auth-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-primary);gap:16px}.auth-loading-spinner{width:48px;height:48px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.auth-loading p{color:var(--text-secondary);font-size:14px}.sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px;border-bottom:1px solid var(--border)}.sidebar-header h2{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:8px}.new-session-btn{width:100%;padding:12px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}.new-session-btn:hover{background:var(--accent-hover)}.session-list{flex:1;overflow-y:auto;padding:12px}.session-list-header{font-size:12px;color:var(--text-secondary);margin-bottom:8px;padding:0 8px}.session-item{display:flex;align-items:center;padding:12px;margin-bottom:4px;border-radius:8px;cursor:pointer;transition:background .2s;border:1px solid transparent}.session-item:hover{background:var(--bg-tertiary)}.session-item.active{background:var(--bg-tertiary);border-color:var(--accent)}.session-item.streaming{border-color:var(--success)}.session-status{margin-right:10px;font-size:12px}.session-info{flex:1;min-width:0}.session-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-date{font-size:11px;color:var(--text-secondary)}.session-delete{padding:4px 8px;background:none;border:none;color:var(--text-secondary);cursor:pointer;border-radius:4px;font-size:12px;opacity:0;transition:all .2s}.session-item:hover .session-delete{opacity:1}.session-delete:hover{color:var(--accent);background:#e945601a}.main-content{flex:1;display:flex;flex-direction:column;min-width:0}.main-header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.main-header h1{font-size:18px;font-weight:600}.header-brand{display:flex;align-items:center;gap:12px}.header-logo{width:100px;height:auto}.user-info{display:flex;align-items:center;gap:12px}.user-info span{color:var(--text-secondary);font-size:14px}.logout-btn{padding:8px 16px;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:13px;transition:all .2s}.logout-btn:hover{background:var(--border)}.config-panel{padding:20px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.config-panel h3{font-size:14px;margin-bottom:16px;display:flex;align-items:center;gap:8px}.config-row{display:flex;gap:16px;margin-bottom:16px}.config-field{flex:1}.config-field label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:6px}.config-field input,.config-field select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;background:var(--bg-primary);color:var(--text-primary);font-size:14px}.config-field input:focus,.config-field select:focus{outline:none;border-color:var(--accent)}.config-actions{display:flex;gap:12px}.start-btn{padding:10px 20px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}.start-btn:hover:not(:disabled){background:var(--accent-hover)}.start-btn:disabled{opacity:.5;cursor:not-allowed}.chat-container{flex:1;display:flex;flex-direction:column;min-height:0}.chat-messages{flex:1;overflow-y:auto;padding:24px}.message{margin-bottom:24px;max-width:85%}.message.user{margin-left:auto}.message.assistant{margin-right:auto}.message-header{font-size:12px;color:var(--text-secondary);margin-bottom:6px;display:flex;align-items:center;gap:6px}.message.user .message-header{justify-content:flex-end}.message-content{padding:14px 18px;border-radius:12px;font-size:14px;line-height:1.6;white-space:pre-wrap;word-wrap:break-word}.message.user .message-content{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-content{background:var(--bg-secondary);border:1px solid var(--border);border-bottom-left-radius:4px}.message-content pre{background:var(--bg-primary);padding:12px;border-radius:6px;overflow-x:auto;margin:12px 0}.message-content code{font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:13px}.message-content p{margin-bottom:12px}.message-content p:last-child{margin-bottom:0}.streaming-indicator{display:inline-flex;align-items:center;gap:4px;color:var(--success);font-size:12px}.message-content.error{background:#e945601a;border-color:var(--accent)}.streaming-dot{width:6px;height:6px;background:var(--success);border-radius:50%;animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}.chat-input-container{padding:20px 24px;background:var(--bg-secondary);border-top:1px solid var(--border)}.chat-input-wrapper{display:flex;gap:12px;align-items:flex-end}.chat-input{flex:1;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--bg-primary);color:var(--text-primary);font-size:14px;resize:none;min-height:50px;max-height:150px;font-family:inherit}.chat-input:focus{outline:none;border-color:var(--accent)}.send-btn{padding:14px 24px;background:var(--accent);color:#fff;border:none;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s;display:flex;align-items:center;gap:8px}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.empty-state{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px}.empty-state-content{max-width:500px}.empty-state h2{font-size:24px;margin-bottom:12px}.empty-state p{color:var(--text-secondary);margin-bottom:24px}.empty-state ul{text-align:left;list-style:none;margin-bottom:24px}.empty-state li{padding:8px 0;color:var(--text-secondary);display:flex;align-items:center;gap:8px}.empty-state li:before{content:"→";color:var(--accent)}.connection-status{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-secondary)}.connection-dot{width:8px;height:8px;border-radius:50%}.connection-dot.connected{background:var(--success)}.connection-dot.disconnected{background:var(--accent)}.connection-dot.connecting{background:var(--warning);animation:pulse 1s ease-in-out infinite}.connection-dot.reconnecting{background:var(--warning);animation:pulse .5s ease-in-out infinite}.download-card{display:flex;align-items:center;gap:16px;padding:20px 24px;margin:24px 0;background:linear-gradient(135deg,#4ade801a,#22c55e0d);border:1px solid rgba(74,222,128,.3);border-radius:12px;max-width:600px}.download-card-icon{font-size:32px;flex-shrink:0}.download-card-content{flex:1;min-width:0}.download-card-content h4{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.download-card-content p{font-size:13px;color:var(--text-secondary);margin:0}.download-card-error{color:var(--accent)!important;margin-top:8px!important;font-size:12px!important}.download-select{width:100%;padding:12px 40px 12px 16px;margin-top:12px;border:1px solid rgba(74,222,128,.3);border-radius:8px;background:var(--bg-secondary);color:var(--text-primary);font-size:14px;font-family:inherit;font-weight:500;cursor:pointer;appearance:none;-webkit-appearance:none;-moz-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234ade80' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;transition:all .2s ease}.download-select:hover:not(:disabled){border-color:var(--success);background-color:var(--bg-tertiary)}.download-select:focus{outline:none;border-color:var(--success);box-shadow:0 0 0 3px #4ade8026}.download-select:disabled{opacity:.5;cursor:not-allowed}.download-select option{background:var(--bg-secondary);color:var(--text-primary);padding:12px;font-weight:500}.download-card-btn{padding:12px 24px;background:var(--success);color:var(--bg-primary);border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:all .2s;white-space:nowrap;flex-shrink:0}.download-card-btn:hover:not(:disabled){background:#22c55e;transform:translateY(-1px);box-shadow:0 4px 12px #4ade804d}.download-card-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.setup-message{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 40px;min-height:400px}.setup-spinner{width:60px;height:60px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:24px}.setup-message h3{font-size:22px;margin-bottom:16px;color:var(--text-primary)}.setup-message p{color:var(--text-secondary);margin-bottom:12px}.setup-message ul{list-style:none;text-align:left;margin:20px 0;padding:20px 30px;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border)}.setup-message li{padding:8px 0;color:var(--text-secondary);display:flex;align-items:center;gap:10px}.setup-message li:before{content:"⏳";font-size:14px}.setup-note{font-size:13px;color:var(--warning);margin-top:16px}.session-item.creating{opacity:.8;border-color:var(--warning);cursor:default}.session-item.creating .session-status{animation:pulse 1s ease-in-out infinite}@media (max-width: 768px){.sidebar{position:fixed;left:-280px;height:100vh;z-index:100;transition:left .3s}.sidebar.open{left:0}.config-row{flex-direction:column}}