@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=JetBrains+Mono:wght@300;400;500;700&family=Syne:wght@400;600;800&display=swap";:root{--bg:#0a0a0f;--surface:#111118;--surface2:#1a1a24;--border:#2a2a3a;--accent:#7c6aff;--accent2:#00e5c0;--accent3:#ff6b6b;--accent4:#ffd166;--text:#e8e8f0;--text-dim:#6b6b85;--text-muted:#3a3a50;--user-bubble:#1e1a3a;--ai-bubble:#111820}.light{--bg:#f4f4f8;--surface:#fff;--surface2:#ebebf5;--border:#d0d0e0;--text:#1a1a2e;--text-dim:#6b6b85;--text-muted:#b0b0c0;--user-bubble:#e8e4ff;--ai-bubble:#f0f8ff}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);flex-direction:column;height:100vh;margin:0;font-family:DM Sans,sans-serif;transition:background .3s,color .3s;display:flex;overflow:hidden}body:before{content:"";background-image:linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);opacity:.15;pointer-events:none;z-index:0;background-size:40px 40px;transition:opacity .3s;position:fixed;inset:0}.light:before{opacity:.4}body:after{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#7c6aff14 0%,#0000 70%);border-radius:50%;width:600px;height:600px;position:fixed;top:-200px;right:-100px}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}@keyframes slideDown{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes msgIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@keyframes logoPulse{0%,to{box-shadow:0 0 #7c6aff4d}50%{box-shadow:0 0 0 8px #7c6aff00}}.font-sm .bubble{font-size:11px}.font-md .bubble{font-size:13px}.font-lg .bubble{font-size:15px}.status-badge{letter-spacing:.5px;cursor:pointer;border:1px solid;border-radius:20px;align-items:center;gap:6px;padding:5px 10px;font-size:10px;font-weight:500;transition:all .3s;display:flex}.status-badge.online{color:var(--accent2);background:#00e5c014;border-color:#00e5c04d}.status-badge.offline{color:var(--accent3);background:#ff6b6b14;border-color:#ff6b6b4d}.status-badge.checking{color:var(--accent);background:#7c6aff14;border-color:#7c6aff4d}.status-dot{background:currentColor;border-radius:50%;width:6px;height:6px}.status-badge.online .status-dot{animation:2s infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.logo-icon{background:linear-gradient(135deg, var(--accent), var(--accent2));border-radius:9px;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;animation:3s ease-in-out infinite logoPulse;display:flex}mark{color:var(--accent);background:#7c6aff4d;border-radius:2px;padding:0 2px}.input-area{z-index:10;background:0 0;padding:10px 18px 18px;position:relative}.input-wrapper{background:var(--surface2);border:1px solid var(--border);border-radius:16px;align-items:flex-end;gap:12px;max-width:820px;margin:0 auto;padding:8px 10px 8px 16px;transition:border-color .2s,box-shadow .2s;display:flex;box-shadow:0 4px 20px #0003}.input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #7c6aff1a}.input-wrapper textarea{color:var(--text);resize:none;background:0 0;border:none;outline:none;flex:1;max-height:150px;padding:8px 0;font-family:JetBrains Mono,monospace;font-size:13px;line-height:1.6}.input-wrapper textarea::placeholder{color:var(--text-muted)}.input-btns{flex-shrink:0;align-items:flex-end;gap:8px;display:flex}.send-btn{background:linear-gradient(135deg, var(--accent), var(--accent2));color:#fff;cursor:pointer;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;margin-bottom:2px;font-size:16px;transition:all .2s;display:flex}.send-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 0 15px #7c6aff66}.send-btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale()}.input-footer{justify-content:space-between;max-width:820px;margin:6px auto 0;padding:0 4px;display:flex}.input-hint{color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase;font-size:9px}.char-count{color:var(--text-muted);font-size:9px}.stop-btn{width:32px;height:32px;color:var(--accent3);cursor:pointer;background:#ff6b6b1a;border:1px solid #ff6b6b80;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;transition:all .2s;display:none}.stop-btn.visible{display:flex}.export-item{cursor:pointer;color:var(--text-dim);align-items:center;gap:8px;padding:9px 14px;font-size:12px;transition:all .2s;display:flex}.export-item:hover{background:var(--surface2);color:var(--text)}.model-select{appearance:none;background:var(--surface2);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:8px;outline:none;padding:6px 26px 6px 10px;font-family:JetBrains Mono,monospace;font-size:11px;transition:border-color .2s,background .3s}.model-selector{position:relative}.model-selector:after{content:"▾";color:var(--text-dim);pointer-events:none;font-size:9px;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.clear-btn{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;letter-spacing:.5px;background:0 0;border-radius:8px;padding:5px 11px;font-family:JetBrains Mono,monospace;font-size:10px;transition:all .2s}.clear-btn:hover{border-color:var(--accent3);color:var(--accent3);background:#ff6b6b0d}.icon-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text-dim);cursor:pointer;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-family:JetBrains Mono,monospace;font-size:13px;transition:all .2s;display:flex}.icon-btn:hover{border-color:var(--accent);color:var(--accent);background:#7c6aff14}.chat-area{z-index:1;scroll-behavior:smooth;flex:1;padding:18px 18px 8px;position:relative;overflow-y:auto}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;height:100%;padding:20px;animation:.5s fadeIn;display:flex}.empty-icon{border:1px solid var(--border);background:linear-gradient(135deg,#7c6aff26,#00e5c026);border-radius:18px;justify-content:center;align-items:center;width:58px;height:58px;font-size:25px;display:flex}.empty-title{background:linear-gradient(135deg, var(--text), var(--text-dim));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:-4px;font-family:Syne,sans-serif;font-size:28px;font-weight:800}.empty-sub{color:var(--text-dim);max-width:400px;font-size:13px;line-height:1.6}.message{gap:10px;max-width:820px;margin-bottom:20px;margin-left:auto;margin-right:auto;animation:.3s msgIn;display:flex}.message.user{flex-direction:row-reverse}.avatar{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;margin-top:3px;font-size:12px;display:flex}.avatar.user-avatar{background:linear-gradient(135deg, var(--accent), #9b8cff)}.avatar.ai-avatar{border:1px solid var(--border);background:linear-gradient(135deg,#00e5c033,#7c6aff33)}.bubble-wrap{flex-direction:column;gap:4px;max-width:calc(100% - 44px);display:flex}.message.user .bubble-wrap{align-items:flex-end}.bubble{background:var(--ai-bubble);border:1px solid var(--border);color:var(--text);border-radius:4px 14px 14px;padding:12px 16px;font-size:14px;line-height:1.7;transition:background .3s;position:relative}.message.user .bubble{background:var(--user-bubble);border:1px solid #7c6aff33;border-top-left-radius:14px;border-top-right-radius:4px}.model-tag{color:var(--text-muted);letter-spacing:.5px;opacity:.8;margin-bottom:4px;font-size:10px}.msg-actions{gap:6px;margin-top:6px;display:none}.message:hover .msg-actions{display:flex}.msg-action-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text-dim);cursor:pointer;border-radius:8px;align-items:center;gap:5px;padding:4px 10px;font-family:JetBrains Mono,monospace;font-size:11px;transition:all .2s;display:flex}.msg-action-btn:hover{border-color:var(--accent2);color:var(--accent2);background:#00e5c00d}.resp-time{color:var(--text-muted);margin-top:4px;font-size:10px}.typing-indicator{align-items:center;gap:6px;padding:6px 0;display:flex}.typing-dot{background:var(--accent);border-radius:50%;width:6px;height:6px;animation:1.2s infinite bounce}.typing-dot:nth-child(2){background:var(--accent2);animation-delay:.2s}.typing-dot:nth-child(3){background:var(--accent);animation-delay:.4s}.cursor{background:var(--accent2);vertical-align:middle;width:2px;height:14px;margin-left:2px;animation:1s infinite blink;display:inline-block}.offline-banner{z-index:10;color:var(--accent3);background:#ff6b6b14;border-bottom:1px solid #ff6b6b33;align-items:center;gap:12px;padding:10px 18px;font-size:12px;animation:.3s slideDown;display:flex;position:relative}