:root{--bg: #05070b;--panel: #0c121c;--face: #4ec6ff;--text: #dfe7f5;--muted: #99a3b6;--accent: #5edfff;--danger: #ff7b7b;--success: #54ffa2;--warning: #ffd35e;font-family:Space Grotesk,Helvetica Neue,Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 20% 20%,#0c1624,#05070b 60%);min-height:100vh}*{box-sizing:border-box}body{margin:0;padding:0;background:transparent}#app{min-height:100vh}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px clamp(16px,4vw,32px);position:sticky;top:0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#05070ba6;border-bottom:1px solid rgba(255,255,255,.05);z-index:10}.brand{font-weight:700;letter-spacing:.3px}.topbar nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.topbar a{color:var(--text);text-decoration:none;font-size:14px;padding:8px 10px;border-radius:10px;transition:background .12s ease,color .12s ease}.topbar a:hover{background:#ffffff0f}.topbar .pill{background:linear-gradient(135deg,#3d9eff,#5edfff);color:#031421;font-weight:700}.page{display:flex;flex-direction:column;gap:40px;padding:32px clamp(16px,4vw,48px) 64px}.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;align-items:end}.face-card{display:grid;gap:18px;justify-items:center}.quota{color:var(--muted);font-size:14px}.face{width:clamp(180px,28vw,260px);aspect-ratio:1;background:var(--face);border-radius:50%;position:relative;box-shadow:0 18px 45px #4ec6ff33,0 6px 20px #00000073;transition:transform .22s ease,box-shadow .22s ease,background .22s ease}.face:hover{transform:translateY(-4px);box-shadow:0 24px 50px #4ec6ff47,0 10px 24px #0000008c}.eye{position:absolute;width:16%;aspect-ratio:1;background:#02040a;border-radius:50%;top:32%}.eye.left{left:30%}.eye.right{right:30%}.mouth{position:absolute;width:25%;height:3px;left:50%;top:65%;transform:translate(-50%);background:#02040a;border-radius:2px;transition:all .18s ease}.face.happy .mouth{width:36%;height:22%;background:transparent;border-bottom:8px solid #02040a;border-radius:0 0 80px 80px;top:60%}.face.sad .mouth{width:36%;height:22%;background:transparent;border-top:8px solid #02040a;border-radius:80px 80px 0 0;top:60%}.face.thinking{animation:float 1.6s ease-in-out infinite;background:linear-gradient(145deg,#4ec6ff,#6cf1ff)}.face.thinking .mouth{box-shadow:0 0 0 6px #02040a14}.face.alert{background:linear-gradient(145deg,#ff9b9b,#ff7b7b)}.face.angry{background:linear-gradient(145deg,#ff6b6b,#f44)}.face.angry .mouth{width:40%;height:20%;background:transparent;border-top:10px solid #02040a;border-radius:50px 50px 0 0;top:62%}.face.angry .eye{transform:scaleY(.6)}.face.surprised{background:linear-gradient(145deg,#ffd35e,#ffb84d)}.face.surprised .mouth{width:24%;height:24%;background:#02040a;border-radius:50%;top:58%}.face.surprised .eye{transform:scale(1.3)}.face.fearful{background:linear-gradient(145deg,#b19bff,#9b7bff)}.face.fearful .mouth{width:20%;height:14%;background:transparent;border-top:6px solid #02040a;border-radius:40px 40px 0 0;top:65%}.face.fearful .eye{transform:scale(1.2)}.face.disgusted{background:linear-gradient(145deg,#a8d5a8,#7bc67b)}.face.disgusted .mouth{width:28%;height:16%;background:transparent;border-left:8px solid transparent;border-right:8px solid transparent;border-top:8px solid #02040a;border-radius:30% 30% 0 0;top:62%;transform:translate(-50%) rotate(-10deg)}.face.excited{background:linear-gradient(145deg,#ff9bff,#ff7bff);animation:bounce .6s ease-in-out infinite}.face.excited .mouth{width:42%;height:28%;background:transparent;border-bottom:10px solid #02040a;border-radius:0 0 90px 90px;top:58%}.face.excited .eye{animation:blink .8s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes blink{0%,90%,to{opacity:1}95%{opacity:0}}.status-pill{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:14px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);color:var(--muted);font-size:13px;letter-spacing:.2px}.dot{width:10px;height:10px;border-radius:50%;background:var(--muted);box-shadow:0 0 0 8px #ffffff0a}.dot.success{background:var(--success)}.dot.warning{background:var(--warning)}.dot.danger{background:var(--danger)}.controls-card{background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:18px;padding:18px;display:grid;gap:12px;box-shadow:0 16px 36px #00000059}.auth{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.card{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:16px;display:grid;gap:12px}.card form{display:grid;gap:10px}input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:#ffffff0a;color:var(--text)}.actions{display:flex;gap:10px;justify-content:flex-end}.ghost{background:transparent;border:1px solid rgba(255,255,255,.2)}.info{background:#0c121c99;border:1px solid rgba(255,255,255,.05);border-radius:16px;padding:16px clamp(12px,2vw,20px);display:grid;gap:10px}.info h2{margin:0}.pill-list{display:flex;gap:10px;flex-wrap:wrap;padding:0;margin:0;list-style:none}.pill-list li{padding:8px 12px;border-radius:12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.1)}details{background:#ffffff05;border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:10px 12px}details summary{cursor:pointer;font-weight:600}.donate{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;align-items:center}.qr-wrap{display:flex;justify-content:center}.qr-wrap img{max-width:260px;border-radius:12px;border:1px solid rgba(255,255,255,.08)}.input-row{display:grid;grid-template-columns:1fr auto auto;gap:12px}textarea{width:100%;min-height:48px;border-radius:12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);padding:12px 14px;color:var(--text);resize:vertical;outline:none;font-size:15px;line-height:1.4}textarea:focus{border-color:#5edfff99;box-shadow:0 0 0 3px #5edfff1f}button{padding:0 18px;border-radius:12px;border:1px solid rgba(255,255,255,.1);background:linear-gradient(135deg,#152235,#0e1624);color:var(--text);font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;height:48px;transition:transform .12s ease,box-shadow .12s ease,border .12s ease}button:hover{transform:translateY(-1px);border-color:#5edfff59;box-shadow:0 10px 24px #5edfff26}button.primary{background:linear-gradient(135deg,#3d9eff,#5edfff);color:#031421;font-weight:700;border-color:transparent}small{color:var(--muted)}.response{min-height:60px;padding:14px 16px;background:#ffffff05;border-radius:12px;border:1px solid rgba(255,255,255,.06);color:var(--text);line-height:1.5;white-space:pre-wrap}.badge{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:12px;background:#5edfff1f;color:var(--text);border:1px solid rgba(94,223,255,.3);font-size:13px}.header{display:flex;justify-content:space-between;align-items:center;gap:12px}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-6px)}to{transform:translateY(0)}}.landing{min-height:100vh;display:flex;flex-direction:column}.landing-header{display:flex;justify-content:space-between;align-items:center;padding:16px clamp(16px,4vw,32px);position:sticky;top:0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#05070ba6;border-bottom:1px solid rgba(255,255,255,.05);z-index:10}.hero-landing{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:48px 24px;text-align:center}.hero-landing h1{font-size:clamp(32px,5vw,56px);margin:0}.cta{padding:16px 32px;font-size:18px}.login-page{min-height:100vh;display:flex;justify-content:center;align-items:center;padding:24px}.login-card{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:32px;max-width:460px;width:100%;display:grid;gap:20px}.tabs{display:flex;gap:8px;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:8px}.tab-btn{flex:1;padding:10px 16px;background:transparent;border:none;color:var(--muted);cursor:pointer;font-weight:600;border-radius:8px;transition:all .15s ease;height:auto}.tab-btn.active{background:linear-gradient(135deg,#3d9eff,#5edfff);color:#031421}.tab-btn:hover:not(.active){background:#ffffff0d;color:var(--text)}.form-container,.form-container form{display:grid;gap:14px}.form-container input{width:100%;padding:12px 14px;border-radius:10px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);color:var(--text);font-size:15px;outline:none;transition:all .15s ease}.form-container input:focus{border-color:#5edfff99;box-shadow:0 0 0 3px #5edfff1f}.form-container input::placeholder{color:var(--muted)}.form-container button[type=submit]{width:100%;justify-content:center;margin-top:6px}.hidden{display:none}#message{padding:12px;border-radius:10px;text-align:center}#message.success{background:#54ffa21a;color:var(--success);border:1px solid var(--success)}#message.error{background:#ff7b7b1a;color:var(--danger);border:1px solid var(--danger)}.chat-page{display:flex;flex-direction:column;height:100vh}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:16px clamp(16px,4vw,32px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#05070ba6;border-bottom:1px solid rgba(255,255,255,.05)}.user-info{display:flex;align-items:center;gap:12px}.support-link{color:var(--primary);text-decoration:none;font-weight:600;padding:6px 12px;border-radius:8px;transition:all .15s ease}.support-link:hover{background:#7b7bff1a;transform:scale(1.05)}.donate-link{color:var(--danger);text-decoration:none;font-weight:600;padding:6px 12px;border-radius:8px;transition:all .15s ease}.donate-link:hover{background:#ff7b7b1a;transform:scale(1.05)}.chat-container{display:none}.chat-container{display:flex;height:calc(100vh - 72px);overflow:hidden}.chat-sidebar{width:260px;background:#ffffff05;border-right:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;overflow:hidden;position:relative;transition:width .3s ease,min-width .3s ease}.chat-sidebar.collapsed{width:50px;min-width:50px}.chat-sidebar.collapsed .sidebar-header,.chat-sidebar.collapsed .chat-list{opacity:0;pointer-events:none}.sidebar-toggle{position:absolute;top:0;right:-10px;width:16px;height:16px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:var(--text);font-size:16px;cursor:pointer;z-index:10;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.sidebar-toggle:hover{background:#ffffff1a;transform:scale(1.05)}.chat-sidebar.collapsed .sidebar-toggle{right:9px}.sidebar-header{padding:16px;border-bottom:1px solid rgba(255,255,255,.05)}.new-chat-btn{width:100%;padding:10px;background:linear-gradient(135deg,#3d9eff,#5edfff);color:#031421;font-weight:700;border:none;border-radius:10px;cursor:pointer;transition:transform .12s ease}.new-chat-btn:hover{transform:scale(1.02)}.chat-list{flex:1;overflow-y:auto;padding:8px}.chat-item{display:flex;align-items:center;justify-content:space-between;padding:12px;margin-bottom:4px;border-radius:10px;cursor:pointer;transition:background .12s ease}.chat-item:hover{background:#ffffff0d}.chat-item.active{background:#5edfff1a;border-left:3px solid var(--accent)}.chat-item-content{flex:1;min-width:0}.chat-name{font-size:14px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-time{font-size:12px;color:var(--muted);margin-top:2px}.delete-chat-btn{background:transparent;border:none;cursor:pointer;font-size:16px;opacity:.5;padding:4px 8px;transition:opacity .12s ease}.delete-chat-btn:hover{opacity:1}.chat-split{flex:1;display:grid;grid-template-columns:3fr 2fr;gap:20px;padding:16px clamp(16px,4vw,32px);align-items:stretch;overflow:hidden}.chat-left{display:flex;flex-direction:column;background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:16px;padding:16px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);max-height:100%;overflow:hidden}.chat-right{display:flex;flex-direction:column}.face-panel{flex:1;display:grid;gap:12px;justify-items:center;background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:16px;padding:16px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.audio-controls{width:100%;display:grid;gap:10px}.tts-toggle{display:flex;justify-content:center;align-items:center;gap:8px;color:var(--muted)}.tts-toggle label{display:flex;align-items:center;gap:6px;cursor:pointer}#replay-audio{width:100%;justify-content:center}#replay-audio:disabled{opacity:.4;cursor:not-allowed}.input-actions{display:flex;align-items:center;gap:8px;margin-top:8px}.input-area textarea{width:100%}#record-btn.recording{border-color:var(--danger);color:var(--danger)}.messages{flex:1;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;gap:16px;padding:16px 0;min-height:0;max-height:100%}.message{display:flex;animation:slideIn .2s ease}.message.user{justify-content:flex-end}.message.assistant,.message.system{justify-content:flex-start}.message-bubble{max-width:75%;padding:12px 16px;border-radius:16px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08)}.message.user .message-bubble{background:linear-gradient(135deg,#3d9eff,#5edfff);color:#031421;border:none}.message-role{font-size:12px;font-weight:700;margin-bottom:4px;opacity:.7}.message-text{line-height:1.5;white-space:pre-wrap}.quota-bar{padding:8px 12px;text-align:center;font-size:13px;color:var(--muted);flex-shrink:0;border-top:1px solid rgba(255,255,255,.05)}.input-area{display:flex;gap:12px;align-items:flex-end;flex-shrink:0;padding-top:12px;border-top:1px solid rgba(255,255,255,.05);background:inherit;position:sticky;bottom:0;z-index:10}@media (max-width: 900px){.chat-split{grid-template-columns:1fr;height:auto}.chat-left,.chat-right{height:auto}.face-panel{order:-1}}.input-area textarea{flex:1}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.emotion-page{min-height:100vh}@media (max-width: 768px){.layout{grid-template-columns:1fr;padding:28px 16px 48px}.input-row{grid-template-columns:1fr}button{width:100%}}