:root{
  --bg:#0b1015;--panel:rgba(19,26,31,.9);--strong:#141c21;--line:rgba(183,214,212,.18);
  --text:#fff4ef;--muted:#9cabad;--accent:#b8d2d2;--accent2:#d94350;--assistant:rgba(24,34,39,.9);
  --nuonuo-red:#d94350;--nuonuo-red-deep:#8f202c;--nuonuo-hair:#afc5c7;--nuonuo-eye:#a47eb0;--nuonuo-skin:#f7ddd7;
  --shadow:0 26px 80px rgba(0,0,0,.48)
}
html[data-theme="light"]{
  --bg:#eee8e4;--panel:rgba(255,248,244,.91);--strong:#f7efeb;--line:rgba(68,84,88,.16);
  --text:#293236;--muted:#6c797c;--assistant:rgba(255,250,247,.94);--shadow:0 24px 70px rgba(74,51,48,.17)
}
body{
  background:
    radial-gradient(circle at 74% 14%,rgba(174,201,202,.16),transparent 28%),
    radial-gradient(circle at 92% 75%,rgba(217,67,80,.13),transparent 30%),
    linear-gradient(135deg,#090d12 0%,#10171c 48%,#0a0d11 100%);
}
html[data-theme="light"] body{background:radial-gradient(circle at 75% 12%,rgba(164,126,176,.15),transparent 30%),radial-gradient(circle at 88% 78%,rgba(217,67,80,.12),transparent 28%),linear-gradient(135deg,#eee9e5,#f6efeb 52%,#e8eeee)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.24;background-image:linear-gradient(117deg,transparent 0 47%,rgba(184,210,210,.14) 47.2% 47.45%,transparent 47.7%),linear-gradient(28deg,transparent 0 72%,rgba(217,67,80,.12) 72.2% 72.5%,transparent 72.8%);background-size:480px 360px,620px 450px;mask-image:linear-gradient(to right,transparent 10%,#000 65%)}
body::after{content:"";position:fixed;right:-80px;top:12%;width:440px;height:440px;border:1px solid rgba(184,210,210,.12);border-radius:50%;box-shadow:0 0 0 42px rgba(184,210,210,.025),0 0 0 108px rgba(217,67,80,.018);pointer-events:none}
.ambient-one{background:var(--nuonuo-hair);opacity:.14}.ambient-two{background:var(--nuonuo-red);opacity:.13}
.sidebar{background:linear-gradient(180deg,rgba(10,15,19,.97),rgba(17,23,27,.93));border-right:1px solid rgba(184,210,210,.15);box-shadow:18px 0 55px rgba(0,0,0,.18)}
html[data-theme="light"] .sidebar{background:linear-gradient(180deg,rgba(250,245,241,.97),rgba(239,237,234,.94))}
.sidebar::after{content:"";position:absolute;right:-1px;top:18%;width:2px;height:120px;background:linear-gradient(transparent,var(--nuonuo-red),transparent);box-shadow:0 0 18px rgba(217,67,80,.6)}
.brand{gap:13px}.brand-mark{width:48px;height:48px;border:1px solid rgba(184,210,210,.45);border-radius:15px;background:linear-gradient(145deg,#dbe8e7,#a9c1c3);overflow:hidden;box-shadow:0 9px 26px rgba(174,201,202,.18)}
.brand-mark img{width:63px;height:54px;object-fit:cover;object-position:50% 8%;transform:translateY(2px)}
.brand strong{font-size:18px;letter-spacing:.08em}.brand span{color:var(--nuonuo-red);font-size:9px;letter-spacing:.19em}
.new-chat{position:relative;overflow:hidden;border-color:rgba(217,67,80,.42);background:linear-gradient(135deg,rgba(217,67,80,.21),rgba(143,32,44,.1));font-weight:750;letter-spacing:.08em}.new-chat::after{content:"";position:absolute;right:-18px;top:-22px;width:72px;height:72px;border:1px solid rgba(247,221,215,.16);transform:rotate(45deg)}.new-chat:hover{background:linear-gradient(135deg,rgba(217,67,80,.34),rgba(143,32,44,.18));border-color:rgba(217,67,80,.65)}.new-chat span{color:#f1a2a9}
.side-label{color:var(--nuonuo-hair);font-weight:800}.prompt-chip{position:relative;padding-left:29px}.prompt-chip::before{content:"◇";position:absolute;left:10px;color:rgba(217,67,80,.65);font-size:10px}.prompt-chip:hover{background:linear-gradient(90deg,rgba(217,67,80,.11),rgba(174,201,202,.05));color:var(--text)}
.privacy-note{border-color:rgba(174,201,202,.2);background:linear-gradient(135deg,rgba(174,201,202,.1),rgba(217,67,80,.06))}.privacy-note span{color:var(--nuonuo-hair)}
.topbar{background:rgba(8,13,17,.72);border-bottom-color:rgba(184,210,210,.14)}html[data-theme="light"] .topbar{background:rgba(247,241,237,.76)}
.guest-pill{border-color:rgba(217,67,80,.28);color:#e5949b;background:rgba(217,67,80,.07);letter-spacing:.08em}
html[data-theme="light"] .guest-pill{color:#9b3440}.icon-button:hover{border-color:rgba(217,67,80,.3);color:#f29da5}
.model-picker-button:hover,.model-picker.open .model-picker-button{border-color:rgba(174,201,202,.25);background:rgba(174,201,202,.06)}
.model-menu{background:linear-gradient(155deg,rgba(18,25,30,.98),rgba(30,24,27,.98));border-color:rgba(184,210,210,.23);box-shadow:0 30px 90px rgba(0,0,0,.58)}html[data-theme="light"] .model-menu{background:linear-gradient(155deg,#f8f1ed,#eee9e7)}
.model-option.selected{border-color:rgba(217,67,80,.35);background:linear-gradient(90deg,rgba(217,67,80,.13),rgba(174,201,202,.07))}.model-menu-heading span::before{content:"◇ ";color:var(--nuonuo-red)}
.status-dot.online{background:#c0dcda;box-shadow:0 0 0 5px rgba(184,210,210,.08),0 0 18px rgba(184,210,210,.55)}
.conversation{position:relative}.hero{min-height:68vh}.nuonuo-portrait{position:relative;width:270px;height:236px;display:grid;place-items:end center;margin-top:-15px;isolation:isolate}.nuonuo-portrait::before,.nuonuo-portrait::after{content:"";position:absolute;z-index:-1;border:1px solid rgba(184,210,210,.25);background:linear-gradient(145deg,rgba(174,201,202,.06),rgba(217,67,80,.05));clip-path:polygon(8% 14%,85% 0,100% 58%,70% 100%,0 78%)}.nuonuo-portrait::before{inset:10px -22px 0;transform:rotate(-4deg)}.nuonuo-portrait::after{inset:42px -55px 18px;transform:rotate(9deg);opacity:.6}.nuonuo-portrait img{position:relative;z-index:2;width:270px;height:auto;filter:drop-shadow(0 22px 22px rgba(0,0,0,.4));animation:nuonuo-float 4.8s ease-in-out infinite}.signal-ring{position:absolute;z-index:-2;left:50%;top:49%;border:1px solid rgba(184,210,210,.24);border-radius:50%;transform:translate(-50%,-50%);animation:signal-pulse 4s ease-out infinite}.ring-one{width:250px;height:250px}.ring-two{width:330px;height:330px;animation-delay:1.4s;border-color:rgba(217,67,80,.16)}
.eyebrow{margin-top:19px;color:#e36a74;letter-spacing:.28em}.hero h1{max-width:760px;font-size:clamp(33px,4.8vw,58px);text-shadow:0 8px 34px rgba(0,0,0,.35)}.hero h1::after{content:"";display:block;width:118px;height:2px;margin:17px auto 0;background:linear-gradient(90deg,transparent,var(--nuonuo-red),var(--nuonuo-hair),transparent)}.hero-copy{max-width:660px}.feature-row span{border-color:rgba(174,201,202,.18);background:linear-gradient(135deg,rgba(174,201,202,.07),rgba(217,67,80,.05))}.fan-disclaimer{margin:20px 0 0;color:rgba(156,171,173,.6);font-size:9px;letter-spacing:.2em}
.avatar{border-color:rgba(174,201,202,.25);background:linear-gradient(145deg,#c7dad9,#9bb5b7);color:#263237}.message.user .avatar{background:linear-gradient(145deg,#e76772,#a72b37);color:#fff0ed}.message-role{letter-spacing:.08em}.bubble{border-color:rgba(174,201,202,.16);background:linear-gradient(145deg,rgba(24,34,39,.94),rgba(30,30,35,.91))}html[data-theme="light"] .bubble{background:linear-gradient(145deg,#fffaf7,#eff2f1)}.message.user .bubble{background:linear-gradient(135deg,#b52f3c,#7e2530);box-shadow:0 12px 34px rgba(132,30,42,.2)}
.composer{border-color:rgba(174,201,202,.22);background:linear-gradient(145deg,rgba(17,25,30,.95),rgba(28,24,27,.94))}html[data-theme="light"] .composer{background:linear-gradient(145deg,#fffaf7,#f0ecea)}.composer:focus-within{border-color:rgba(217,67,80,.48);box-shadow:0 22px 70px rgba(0,0,0,.42),0 0 0 3px rgba(217,67,80,.05)}.send-button{background:linear-gradient(145deg,#e65b67,#ae2f3a);color:#fff6f2;box-shadow:0 8px 22px rgba(174,47,58,.3)}.attach-button:hover{border-color:rgba(174,201,202,.4);color:var(--nuonuo-hair)}
::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:linear-gradient(var(--nuonuo-hair),var(--nuonuo-red));border-radius:999px;border:3px solid transparent;background-clip:padding-box}
@keyframes nuonuo-float{0%,100%{transform:translateY(0) rotate(-.5deg)}50%{transform:translateY(-7px) rotate(.5deg)}}@keyframes signal-pulse{0%{opacity:0;transform:translate(-50%,-50%) scale(.78)}35%{opacity:.75}100%{opacity:0;transform:translate(-50%,-50%) scale(1.2)}}
@media(max-width:820px){body::after{width:280px;height:280px;right:-120px}.nuonuo-portrait{width:210px;height:188px}.nuonuo-portrait img{width:215px}.ring-one{width:200px;height:200px}.ring-two{width:260px;height:260px}.hero h1{font-size:32px}.hero-copy{font-size:13px;margin-top:13px}.fan-disclaimer{margin-top:15px}.brand-mark{width:44px;height:44px}}
.message.assistant .avatar{overflow:hidden;background:linear-gradient(145deg,#d9e5e4,#9eb7b9);border-color:rgba(217,67,80,.22);box-shadow:0 7px 18px rgba(174,201,202,.16)}
.assistant-avatar-image{display:block;width:52px;height:44px;max-width:none;object-fit:cover;object-position:50% 4%;transform:translateY(5px)}
.text-button{text-decoration:none;display:block}
.privacy-page{overflow:auto;min-height:100%;padding:44px 22px 70px}.privacy-shell{position:relative;z-index:1;width:min(980px,100%);margin:auto}.privacy-back{display:inline-flex;margin-bottom:26px;color:var(--muted);text-decoration:none;font-size:12px}.privacy-back:hover{color:var(--nuonuo-red)}.privacy-hero{display:grid;grid-template-columns:130px 1fr;align-items:center;gap:28px;padding:24px 30px;border:1px solid var(--line);border-radius:24px;background:var(--panel);box-shadow:var(--shadow)}.privacy-hero h1{margin:3px 0 10px;font-size:clamp(30px,5vw,52px)}.privacy-hero p:last-child{color:var(--muted);line-height:1.7}.privacy-mascot{height:120px;overflow:hidden;border-radius:22px;background:linear-gradient(145deg,#dce8e7,#9eb7b9)}.privacy-mascot img{width:145px;transform:translate(-7px,-3px)}.privacy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}.privacy-grid article{position:relative;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.privacy-grid article>span{position:absolute;right:18px;top:14px;color:rgba(217,67,80,.42);font-size:25px;font-weight:900}.privacy-grid h2{margin:0 0 10px;font-size:16px}.privacy-grid p{margin:0;color:var(--muted);line-height:1.75;font-size:13px}.delete-panel{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-top:18px;padding:24px 26px;border:1px solid rgba(217,67,80,.28);border-radius:18px;background:linear-gradient(135deg,rgba(217,67,80,.13),rgba(174,201,202,.06))}.delete-panel h2{margin:0 0 7px;font-size:17px}.delete-panel p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.delete-panel button{flex:none;border:1px solid rgba(217,67,80,.4);border-radius:13px;padding:12px 18px;background:linear-gradient(145deg,#d94b57,#9d2935);color:#fff5f0;cursor:pointer}.delete-panel button:disabled{opacity:.55;cursor:default}.privacy-footnote{text-align:center;margin-top:26px;color:var(--muted);font-size:9px;letter-spacing:.16em}@media(max-width:650px){.privacy-page{padding:24px 14px 50px}.privacy-hero{grid-template-columns:86px 1fr;padding:18px;gap:15px}.privacy-mascot{height:82px}.privacy-mascot img{width:100px}.privacy-grid{grid-template-columns:1fr}.delete-panel{align-items:stretch;flex-direction:column}.delete-panel button{width:100%}}