@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-page:#06070a;--bg-primary:#13151e;--bg-secondary:#191b26;--bg-header:#13151ed9;--bg-input:#1a1d26;--bg-button:#1a1d26;--bg-button-hover:#22262f;--bg-bubble-bot:#1a1d26;--text-primary:#e8eaf0;--text-secondary:#b0b5c3;--text-tertiary:#6e7489;--text-dimmed:#4a4f5e;--border-subtle:#ffffff0f;--border-hover:#ffffff1f;--accent-color:#6c5ce7;--accent-bg:#6c5ce71f;--accent-border:#6c5ce74d;--accent-glow:#6c5ce726;--success-color:#00d2a0;--error-bg:#ff47571a;--error-color:#ff4757;--gradient-primary:linear-gradient(135deg, #6c5ce7 0%, #a855f7 100%);--gradient-user:linear-gradient(135deg, #3b82f6 0%, #6c5ce7 100%);--gradient-user-bubble:linear-gradient(135deg, #6c5ce7 0%, #8b5cf6 100%);--gradient-send:linear-gradient(135deg, #6c5ce7 0%, #8b5cf6 100%);--shadow-sm:0 2px 8px #0003;--shadow-glow:0 4px 16px #6c5ce740;--shadow-user-bubble:0 2px 12px #6c5ce733}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{color:var(--text-primary);background:radial-gradient(circle at 20% 0,#6c5ce726,#0000 40%),radial-gradient(circle at 80% 100%,#3b82f626,#0000 40%),#07080c;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;overflow:hidden}#root{height:100vh}.chat-page{flex-direction:column;height:100vh;display:flex}::selection{color:#fff;background:#6c5ce74d}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}.chat-container{background:var(--bg-primary);border-radius:20px;flex-direction:column;flex-shrink:0;width:100%;max-width:900px;height:calc(100vh - 48px);min-height:calc(100vh - 48px);margin:24px auto;display:flex;position:relative;overflow:hidden;box-shadow:0 16px 40px #00000080,0 0 0 1px #ffffff0d}.chat-header{background:var(--bg-header);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);z-index:10;justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.chat-header-left,.chat-logo{align-items:center;gap:12px;display:flex}.logo-icon{justify-content:center;align-items:center;width:44px;height:44px;font-size:28px;display:flex}.logo-text h1{color:var(--text-primary);letter-spacing:-.3px;margin:0;font-size:18px;font-weight:700}.logo-text .subtitle{color:var(--text-tertiary);font-size:12px;font-weight:500}.chat-header-right{align-items:center;gap:8px;display:flex}.reset-btn{background:var(--bg-button);color:var(--text-secondary);border:1px solid var(--border-subtle);cursor:pointer;border-radius:10px;align-items:center;gap:6px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:500;transition:all .2s;display:flex}.reset-btn:hover{background:var(--bg-button-hover);color:var(--text-primary);border-color:var(--border-hover);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.stage-progress{background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);justify-content:center;align-items:center;gap:4px;padding:12px 24px;display:flex;overflow-x:auto}.stage-step{white-space:nowrap;border-radius:8px;align-items:center;gap:4px;padding:6px 10px;font-size:11px;font-weight:500;transition:all .3s;display:flex}.stage-step.pending{color:var(--text-dimmed);opacity:.5}.stage-step.active{background:var(--accent-bg);color:var(--accent-color);box-shadow:0 0 0 1px var(--accent-border);animation:2s ease-in-out infinite stagePulse}.stage-step.completed{color:var(--success-color);opacity:.8}.stage-icon{font-size:14px}.stage-label{display:none}@media (width>=640px){.stage-label{display:inline}}@keyframes stagePulse{0%,to{box-shadow:0 0 0 1px var(--accent-border)}50%{box-shadow:0 0 0 2px var(--accent-border), 0 0 12px var(--accent-glow)}}.messages-area{scroll-behavior:smooth;flex-direction:column;flex:1;gap:16px;padding:24px;display:flex;overflow-y:auto}.messages-area::-webkit-scrollbar{width:6px}.messages-area::-webkit-scrollbar-track{background:0 0}.messages-area::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:3px}.messages-area::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}.empty-state{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px;animation:.6s ease-out fadeInUp;display:flex}.empty-icon{margin-bottom:16px;font-size:56px;animation:3s ease-in-out infinite float}.empty-state h2{color:var(--text-primary);margin:0 0 8px;font-size:22px;font-weight:700}.empty-state p{color:var(--text-tertiary);max-width:400px;font-size:14px;line-height:1.6}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.message{align-items:flex-start;gap:10px;animation:.3s ease-out messageSlide;display:flex}.message.user{justify-content:flex-end}.message.assistant{justify-content:flex-start}@keyframes messageSlide{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.avatar{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;margin-top:2px;font-size:16px;display:flex}.bot-avatar{box-shadow:none;background:0 0}.user-avatar{background:var(--gradient-user)}.message-bubble{border-radius:16px;max-width:70%;padding:12px 16px;font-size:14px;line-height:1.55;position:relative}.message.assistant .message-bubble{background:var(--bg-bubble-bot);color:var(--text-primary);border:1px solid var(--border-subtle);border-bottom-left-radius:4px}.message.user .message-bubble{background:var(--gradient-user-bubble);color:#fff;box-shadow:var(--shadow-user-bubble);border-bottom-right-radius:4px}.message-content{word-break:break-word;white-space:pre-wrap}.message-content strong,.message-content b{font-weight:600}.message-time{opacity:.5;margin-top:4px;font-size:10px}.message.user .message-time{text-align:right;color:#ffffffb3}.message.assistant .message-time{color:var(--text-dimmed)}.typing-indicator{padding:14px 20px!important}.typing-dots{align-items:center;gap:5px;display:flex}.typing-dots span{background:var(--accent-color);opacity:.6;border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite typingBounce}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.error-banner{background:var(--error-bg);color:var(--error-color);justify-content:space-between;align-items:center;padding:10px 24px;font-size:13px;font-weight:500;animation:.3s ease-out slideDown;display:flex}.error-banner button{color:var(--error-color);cursor:pointer;opacity:.7;background:0 0;border:none;padding:4px;font-size:14px}.error-banner button:hover{opacity:1}@keyframes slideDown{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}.data-panel{border-top:1px solid var(--border-subtle);background:var(--bg-secondary);padding:8px 24px}.data-panel details{font-size:13px}.data-panel summary{cursor:pointer;color:var(--text-tertiary);-webkit-user-select:none;user-select:none;padding:4px 0;font-weight:500}.data-panel summary:hover{color:var(--text-secondary)}.data-items{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:6px;padding:8px 0;display:grid}.data-item{background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:6px;gap:6px;padding:4px 8px;font-size:12px;display:flex}.data-key{color:var(--text-tertiary);white-space:nowrap;font-weight:500}.data-value{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.input-area{background:var(--bg-header);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border-subtle);padding:16px 24px 12px}.input-wrapper{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:14px;align-items:flex-end;gap:8px;padding:4px 4px 4px 16px;transition:border-color .2s,box-shadow .2s;display:flex}.input-wrapper:focus-within{border-color:var(--accent-color);box-shadow:0 0 0 3px var(--accent-glow)}.input-wrapper textarea{color:var(--text-primary);resize:none;background:0 0;border:none;outline:none;flex:1;max-height:120px;padding:8px 0;font-family:inherit;font-size:14px;line-height:1.5}.input-wrapper textarea::placeholder{color:var(--text-dimmed)}.send-btn{background:var(--gradient-send);color:#fff;cursor:pointer;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:all .2s;display:flex}.send-btn:hover:not(:disabled){box-shadow:var(--shadow-glow);transform:scale(1.05)}.send-btn:active:not(:disabled){transform:scale(.95)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.send-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.input-hint{text-align:center;color:var(--text-dimmed);padding-top:6px;font-size:11px}.input-hint kbd{background:var(--bg-secondary);border:1px solid var(--border-subtle);color:var(--text-tertiary);border-radius:4px;padding:1px 5px;font-family:inherit;font-size:10px;display:inline-block}.limit-warning-options{justify-content:center;gap:16px;padding:12px 0;display:flex}.option-btn{background:var(--bg-button);color:var(--text-primary);border:1px solid var(--border-subtle);cursor:pointer;border-radius:12px;padding:10px 32px;font-size:14px;font-weight:600;transition:all .2s}.option-btn:hover:not(:disabled){background:var(--accent-bg);color:var(--accent-color);border-color:var(--accent-border);transform:translateY(-1px);box-shadow:0 4px 12px #0000001a}.option-btn:disabled{opacity:.5;cursor:not-allowed}@media (width<=948px){.chat-container{height:100vh;min-height:100vh;box-shadow:none;border:none;border-radius:0;margin:0}}@media (width<=600px){.chat-header{padding:12px 16px}.messages-area{gap:12px;padding:16px}.message-bubble{max-width:82%}.input-area{padding:12px 16px 8px}.stage-progress{gap:2px;padding:8px 16px}.stage-step{padding:4px 6px}.logo-text h1{font-size:16px}}