:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-tertiary: #232342;--accent: #e94560;--accent-glow: #e94560aa;--text-primary: #f5f5f5;--text-secondary: #a0a0b8;--text-muted: #6a6a8a;--border: #2a2a4a;--user-bubble: #1a1a2e;--assistant-bubble: #16213e;--success: #00d4aa;--warning: #ffb800;--danger: #ff4757;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 48px rgba(233, 69, 96, .15);--radius: 16px;--radius-sm: 10px;--transition: .2s ease}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overscroll-behavior:none}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,SF Pro,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:100%;margin:0 auto;background:radial-gradient(ellipse at 50% 0%,rgba(233,69,96,.08) 0%,transparent 60%),radial-gradient(ellipse at 50% 100%,rgba(0,212,170,.05) 0%,transparent 50%),var(--bg-primary)}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#1a1a2ee6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;flex-shrink:0}.header-left{display:flex;align-items:center;gap:10px}.logo{display:flex;align-items:center;gap:10px;color:var(--accent)}.logo svg{animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.05)}}.title{font-weight:700;font-size:1.1rem;letter-spacing:-.02em;background:linear-gradient(135deg,var(--accent),#ff6b8a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.badge{font-size:.6rem;font-weight:700;padding:2px 8px;border-radius:100px;background:linear-gradient(135deg,var(--accent),#ff6b8a);color:#fff;text-transform:uppercase;letter-spacing:.05em}.header-center{flex:1;display:flex;justify-content:center;max-width:300px;margin:0 20px}.model-select{width:100%;padding:8px 36px 8px 12px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.75rem;font-family:inherit;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;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='%23a0a0b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;transition:var(--transition)}.model-select:hover:not(:disabled){border-color:var(--accent)}.model-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.model-select:disabled{opacity:.5;cursor:not-allowed}.header-right{display:flex;align-items:center;gap:8px}.icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.icon-btn:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--accent);color:var(--accent)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.chat-area{flex:1;display:flex;flex-direction:column;overflow:hidden;padding:16px;gap:16px}.messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:16px;padding:8px 4px 16px;scroll-behavior:smooth}.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-track{background:transparent}.messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.messages::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:32px;opacity:.8}.welcome .avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#ff6b8a);display:flex;align-items:center;justify-content:center;font-size:2.5rem;margin-bottom:16px;box-shadow:var(--shadow-lg);animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.welcome h2{font-size:1.5rem;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--text-primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome p{color:var(--text-secondary);margin-bottom:4px}.welcome .hint{font-size:.8rem;color:var(--text-muted)!important;margin-top:16px;padding:8px 16px;background:var(--bg-tertiary);border-radius:var(--radius-sm);border:1px solid var(--border)}.message{display:flex;gap:12px;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.message .avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;margin-top:4px}.message.user .avatar{background:linear-gradient(135deg,#00d4aa,#0fc)}.message.assistant .avatar{background:linear-gradient(135deg,var(--accent),#ff6b8a)}.message-content{flex:1;min-width:0}.message-header{display:flex;align-items:center;gap:10px;margin-bottom:6px;font-size:.7rem}.role{font-weight:600;text-transform:uppercase;letter-spacing:.05em}.message.user .role{color:#00d4aa}.message.assistant .role{color:var(--accent)}.time{color:var(--text-muted)}.message-body{font-size:.95rem;line-height:1.7;word-wrap:break-word}.message-body pre{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;overflow-x:auto;font-family:SF Mono,Monaco,Inconsolata,monospace;font-size:.8rem;line-height:1.6}.message-body code{font-family:SF Mono,Monaco,Inconsolata,monospace;font-size:.85em;background:var(--bg-tertiary);padding:2px 6px;border-radius:4px}.message-body pre code{background:transparent;padding:0}.message-body .user-message{white-space:pre-wrap;font-family:inherit;background:transparent;padding:0;color:var(--text-primary)}.message-body h1,.message-body h2,.message-body h3{font-weight:600;margin:12px 0 8px}.message-body strong{color:var(--accent)}.message-body a{color:var(--accent);text-decoration:underline}.cursor{display:inline-block;width:8px;height:1.2em;background:var(--accent);margin-left:2px;animation:blink 1s infinite;vertical-align:text-bottom}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.input-area{display:flex;align-items:flex-end;gap:12px;padding:12px 4px;background:#1a1a2e99;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius);flex-shrink:0}.input-wrapper{flex:1;min-width:0}.message-input{width:100%;min-height:48px;max-height:160px;padding:12px 16px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.95rem;line-height:1.5;resize:none;outline:none;transition:var(--transition)}.message-input::placeholder{color:var(--text-muted)}.message-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.message-input:disabled{opacity:.6;cursor:not-allowed}.input-actions{display:flex;align-items:flex-end}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--radius-sm);font-family:inherit;font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition);border:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-send{width:48px;height:48px;padding:0;background:linear-gradient(135deg,var(--accent),#ff6b8a);color:#fff;border-radius:50%;box-shadow:var(--shadow-lg)}.btn-send:hover:not(:disabled){transform:scale(1.05);box-shadow:0 6px 32px #e9456066}.btn-send:active{transform:scale(.98)}.btn-stop{background:var(--bg-tertiary);color:var(--danger);border:1px solid var(--danger)}.btn-stop:hover:not(:disabled){background:#ff47571a;box-shadow:0 0 0 3px #ff475733}.btn-primary{background:linear-gradient(135deg,var(--accent),#ff6b8a);color:#fff;padding:12px 24px}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-lg)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border);padding:12px 24px}.btn-ghost:hover:not(:disabled){background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--text-muted)}.install-prompt{position:fixed;bottom:100px;left:16px;right:16px;max-width:400px;margin:0 auto;background:var(--bg-secondary);border:1px solid var(--accent);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-lg);animation:slideUp .3s ease-out;z-index:200}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.install-content{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px}.install-content svg{color:var(--accent);flex-shrink:0;margin-top:2px}.install-content strong{display:block;margin-bottom:4px}.install-content p{font-size:.8rem;color:var(--text-secondary);margin:0}.install-actions{display:flex;gap:10px;justify-content:flex-end}.install-actions .btn{flex:1}@media (max-width: 480px){.header-center{display:none}.title{font-size:1rem}.chat-area{padding:12px}.message-body{font-size:.9rem}.btn-send{width:44px;height:44px}}@media (max-height: 500px) and (orientation: landscape){.header{padding:8px 12px}.chat-area{padding:12px}.welcome{padding:16px}.welcome .avatar{width:60px;height:60px;font-size:2rem}.install-prompt{bottom:80px}}*:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:var(--accent-glow);color:#fff}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}