:root{--bg-color:#fff;--text-color:#333;--border-color:#aaa;--primary-color:#1976d2;--header-bg:#fff;--nav-bg:#fff;--mic-bg:#1976d2;--mic-active-bg:#ff5252;--icon-color:#222}[data-theme=dark]{--bg-color:#121212;--text-color:#fff;--border-color:#444;--primary-color:#1976d2;--header-bg:#1e1e1e;--nav-bg:#1e1e1e;--mic-bg:#1976d2;--icon-color:#fff}body{background-color:var(--bg-color);color:var(--text-color);min-height:100vh;margin:0;padding:0;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;transition:background-color .3s,color .3s}*{box-sizing:border-box}.app-container{background-color:var(--bg-color);flex-direction:column;width:100%;height:100dvh;display:flex;position:relative;overflow:hidden}@media (width>=1024px){body{background-color:#e0e0e0;justify-content:center;align-items:center;display:flex}[data-theme=dark] body{background-color:#000}.app-container{border:1px solid var(--border-color);border-radius:24px;max-width:450px;height:90vh;box-shadow:0 10px 30px #00000026}}.header{border-bottom:2px solid var(--border-color);background-color:var(--header-bg);justify-content:space-between;align-items:center;width:100%;padding:1rem 1.5rem;display:flex}.logo-container{color:var(--primary-color);flex-direction:column;align-items:center;font-weight:800;display:flex}.logo-icon{fill:currentColor;width:36px;height:36px}.logo-text{margin-top:2px;font-size:.8rem}.header-actions{align-items:center;gap:15px;display:flex}.icon-btn{cursor:pointer;color:var(--icon-color);background:0 0;border:none;justify-content:center;align-items:center;padding:4px;display:flex}.icon-btn svg{fill:currentColor;width:42px;height:42px}.theme-btn svg{width:30px;height:30px;fill:var(--text-color)}.main-content{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3rem;padding:2rem;display:flex;position:relative}.mic-button{background-color:var(--mic-bg);color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;border-radius:50%;outline:none;justify-content:center;align-items:center;width:220px;height:220px;transition:transform .2s,background-color .3s;display:flex;box-shadow:0 4px 10px #0003}.mic-button.recording{background-color:var(--mic-active-bg);animation:1.5s infinite pulse}.mic-button svg{fill:currentColor;width:120px;height:120px}@keyframes pulse{0%{transform:scale(1);box-shadow:0 0 #ff5252b3}70%{transform:scale(1.05);box-shadow:0 0 0 25px #ff525200}to{transform:scale(1);box-shadow:0 0 #ff525200}}.visualizer{justify-content:center;align-items:center;gap:6px;height:60px;display:flex}.bar{background-color:var(--icon-color);width:6px;height:10px;transition:height .1s}.visualizer.active .bar{animation:.4s ease-in-out infinite alternate sound}.bar:first-child{height:10px;animation-delay:-.4s}.bar:nth-child(2){height:30px;animation-delay:-.2s}.bar:nth-child(3){height:50px;animation-delay:-.1s}.bar:nth-child(4){height:20px;animation-delay:-.3s}.bar:nth-child(5){height:40px;animation-delay:0s}.bar:nth-child(6){height:60px;animation-delay:-.2s}.bar:nth-child(7){height:30px;animation-delay:-.1s}.bar:nth-child(8){height:50px;animation-delay:-.4s}.bar:nth-child(9){height:20px;animation-delay:-.3s}@keyframes sound{0%{height:10px}to{height:60px}}.status-text{color:var(--text-color);opacity:.7;font-size:.9rem;position:absolute;bottom:20px}.bottom-nav{border-top:2px solid var(--border-color);background-color:var(--nav-bg);justify-content:space-around;align-items:center;height:80px;display:flex}.nav-item{color:var(--icon-color);cursor:pointer;justify-content:center;align-items:center;width:100%;height:100%;display:flex}.nav-item:not(:last-child){border-right:2px solid var(--border-color)}.nav-item svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:50px;height:50px}.nav-item.home svg{fill:currentColor;stroke:none}.modal-overlay{z-index:1000;background-color:#0009;justify-content:center;align-items:center;padding:1rem;display:flex;position:absolute;inset:0}.modal-content{background-color:var(--header-bg);border:1px solid var(--border-color);border-radius:16px;flex-direction:column;gap:1.5rem;width:100%;max-width:320px;padding:2rem;display:flex;box-shadow:0 10px 30px #00000080}.modal-content h3{text-align:center;color:var(--primary-color);margin:0}.input-group{flex-direction:column;gap:.5rem;display:flex}.input-group label{color:var(--text-color);opacity:.8;font-size:.85rem;font-weight:600}.input-group input,.input-group select{border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);border-radius:8px;padding:.8rem;font-family:inherit}.dev-tools-section{border-top:1px solid var(--border-color);flex-direction:column;gap:1rem;margin-top:.5rem;padding-top:1rem;display:flex}.dev-tools-section h4{color:var(--primary-color);margin:0;font-size:.9rem}.toggle-group{justify-content:space-between;align-items:center;display:flex}.toggle-group label{font-size:.85rem;font-weight:600}.mock-btn{background-color:var(--mic-active-bg);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.5rem;font-weight:700}.mock-btn.active{background-color:#4caf50}.modal-close-btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.8rem;font-weight:700}.mic-button.muted{background-color:#ffb74d}.mic-button.recording:not(.muted){background-color:var(--mic-active-bg);animation:1.5s infinite pulse}.nav-item.active{color:var(--primary-color)}.chat-container{flex-direction:column;flex:1;width:100%;display:flex;position:relative;overflow:hidden}.chat-messages{flex-direction:column;flex:1;gap:1rem;padding:1.5rem;display:flex;overflow-y:auto}.chat-bubble{word-wrap:break-word;border-radius:16px;max-width:80%;padding:.8rem 1rem;font-size:.95rem;line-height:1.4}.chat-bubble.user{background-color:var(--primary-color);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.chat-bubble.agent{background-color:var(--header-bg);border:1px solid var(--border-color);color:var(--text-color);border-bottom-left-radius:4px;align-self:flex-start}.markdown-body p{margin:0 0 .5rem}.markdown-body p:last-child{margin-bottom:0}.markdown-body ul,.markdown-body ol{margin:.5rem 0;padding-left:1.2rem}.markdown-body li{margin-bottom:.2rem}.markdown-body strong{font-weight:700}.chat-input-area{background-color:var(--nav-bg);border-top:1px solid var(--border-color);gap:.5rem;padding:1rem;display:flex}.chat-input{border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);border-radius:24px;outline:none;flex:1;padding:.8rem 1rem;font-family:inherit}.chat-send-btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:45px;height:45px;display:flex}.chat-send-btn svg{fill:currentColor;width:20px;height:20px;margin-left:-3px}.typing-indicator{align-items:center;gap:4px;height:20px;display:flex}.typing-dot{background-color:var(--text-color);opacity:.6;border-radius:50%;width:6px;height:6px;animation:1s infinite alternate typing}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%{transform:translateY(0)}to{transform:translateY(-4px)}}.login-container{background-color:var(--bg-color);flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;padding:2rem;display:flex}.login-card{background-color:var(--header-bg);border:1px solid var(--border-color);border-radius:24px;flex-direction:column;gap:2rem;width:100%;max-width:340px;padding:2.5rem 2rem;display:flex;box-shadow:0 20px 40px #0000001a}.login-header{flex-direction:column;align-items:center;gap:.5rem;display:flex}.login-header h2{color:var(--primary-color);margin:0;font-size:1.8rem;font-weight:800}.login-header p{opacity:.6;margin:0;font-size:.9rem}.login-form{flex-direction:column;gap:1.2rem;display:flex}.login-btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:12px;margin-top:.5rem;padding:1rem;font-size:1rem;font-weight:700;transition:transform .2s,opacity .2s}.login-btn:active{transform:scale(.98)}.login-btn:disabled{opacity:.5;cursor:not-allowed}.error-message{color:var(--mic-active-bg);text-align:center;background-color:#ff52521a;border-radius:8px;padding:.5rem;font-size:.85rem}