*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#080a10;color:#f7f8fc}body{overflow:hidden;-webkit-text-size-adjust:100%}button,textarea{font:inherit}.app{height:100dvh;min-height:100%;display:flex;background:radial-gradient(circle at 50% -20%,#33235e 0,transparent 42%),#080a10}.shell{height:100%;width:100%;display:flex;flex-direction:column;min-width:0}header{height:68px;min-height:68px;display:flex;align-items:center;padding:10px 18px;border-bottom:1px solid #252936;background:#0b0d13e8;backdrop-filter:blur(18px);z-index:3}.brand,.side-brand{display:flex;align-items:center;gap:10px}.side-brand small{display:block;color:#70788a;font-size:10px;margin-top:2px}.logo{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#8b5cf6,#22d3ee);color:#fff;font-weight:900;font-size:21px;box-shadow:0 8px 30px #0005}.brand b,.side-brand b{display:block;font-size:16px}.brand span{display:block;color:#8b91a1;font-size:11px;margin-top:2px}.brand i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#45df8b;box-shadow:0 0 9px #45df8b;margin-right:4px}.actions{margin-left:auto;display:flex;gap:8px}.icon{width:42px;height:42px;border:1px solid #2c303d;border-radius:13px;background:#151821;color:#fff;cursor:pointer;display:grid;place-items:center}.icon:hover,.icon:focus-visible{background:#222632;outline:2px solid #7154dc55}.new-top{height:42px;border:0;border-radius:12px;padding:0 14px;background:#fff;color:#111;font-weight:700;cursor:pointer}.new-top:hover{background:#e9e9ee}.mobile-only{display:none}.sidebar{width:270px;flex:none;height:100%;background:#0d1017;border-right:1px solid #252936;padding:16px 12px;display:flex;flex-direction:column;z-index:120}.side-top{display:flex;align-items:center;gap:9px}.side-top .side-brand{flex:1}.new-chat{width:100%;margin:16px 0;padding:12px;border:1px solid #303544;border-radius:12px;background:#171b25;color:#fff;font-weight:700;cursor:pointer}.new-chat:hover,.new-chat:focus-visible{background:#222735;outline:2px solid #7154dc55}.history-label{font-size:10px;color:#70788a;font-weight:800;letter-spacing:.12em;padding:8px}.history{overflow:auto}.history-item{width:100%;display:block;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:transparent;color:#bfc4d0;border:0;border-radius:10px;padding:11px;cursor:pointer;margin:2px 0}.history-item:hover,.history-item.active{background:#1a1f2a;color:#fff}.side-bottom{margin-top:auto;border-top:1px solid #252936;padding:14px 8px;color:#c7ccd7;font-size:12px}.side-bottom small{display:block;color:#6f7788;margin-top:4px}.sidebar-backdrop{display:none}#chat{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;scroll-behavior:smooth;padding:25px 16px 28px}.msg{display:flex;gap:10px;max-width:850px;margin:22px auto;animation:rise .18s ease-out}.msg.user{flex-direction:row-reverse}.avatar{width:35px;height:35px;min-width:35px;border-radius:11px;background:#202430;display:grid;place-items:center;font-size:13px}.assistant .avatar{background:linear-gradient(135deg,#8b5cf6,#22d3ee);font-weight:900}.message-wrap{max-width:75%;min-width:0}.sender{font-size:11px;color:#858b9b;margin:2px 5px 6px}.user .sender{text-align:right}.bubble{padding:13px 16px;border-radius:18px 18px 18px 4px;background:#151820;border:1px solid #272c39;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;box-shadow:0 8px 25px #0002}.user .bubble{border-radius:18px 18px 4px 18px;background:linear-gradient(135deg,#6944dc,#3178d2);border:0}#welcome{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;max-width:760px;margin:auto;padding-bottom:20px}.orb{width:78px;height:78px;border-radius:25px;display:grid;place-items:center;background:linear-gradient(135deg,#8b5cf6,#22d3ee);font-size:36px;font-weight:900;box-shadow:0 0 65px #7655ff55;animation:pulse 3s ease-in-out infinite}h1{font-size:clamp(29px,5vw,44px);letter-spacing:-1.4px;margin:19px 0 8px}#welcome p{color:#9399a9;line-height:1.5}.model-status{font-size:12px;color:#aeb4c2;margin-top:7px}.download-box{width:min(520px,100%);margin-top:15px;padding:14px 15px;background:#11151e;border:1px solid #303544;border-radius:16px;text-align:left;box-shadow:0 12px 35px #0004}.download-top,.download-details{display:flex;justify-content:space-between;gap:12px;align-items:center}.download-top{font-size:13px}.download-top span{font-variant-numeric:tabular-nums;color:#a9aebe;font-weight:800}.download-track{height:9px;margin:10px 0 8px;background:#252a36;border-radius:999px;overflow:hidden}.download-fill{height:100%;width:0;background:linear-gradient(90deg,#7d4dff,#22d3ee);border-radius:999px;transition:width .2s ease}.download-details{font-size:10px;color:#777f90}.chips{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin-top:24px}.chips button{border:1px solid #303543;border-radius:14px;background:#12151d;color:#e3e6ee;padding:11px 14px;cursor:pointer;transition:.15s}.chips button:hover{background:#1d212c;border-color:#505668;transform:translateY(-1px)}#composer{width:min(850px,calc(100% - 28px));margin:0 auto;padding:9px 0 4px;flex:none}.composer-box{display:flex;align-items:flex-end;gap:8px;padding:8px 8px 8px 15px;background:#151820;border:1px solid #303542;border-radius:19px;box-shadow:0 12px 40px #0005}.composer-box:focus-within{border-color:#7154dc;box-shadow:0 0 0 3px #7154dc22,0 12px 40px #0005}.composer-box textarea{flex:1;min-width:0;max-height:170px;resize:none;border:0;outline:0;background:transparent;color:#fff;line-height:1.45;padding:8px 0;font-size:16px}.send{width:45px;height:45px;border:0;border-radius:14px;background:linear-gradient(135deg,#7d4dff,#3478e5);color:#fff;font-size:20px;font-weight:800;cursor:pointer;transition:.15s;flex:none}.send:hover{transform:scale(1.04);filter:brightness(1.08)}.send:disabled{opacity:.55;cursor:not-allowed}.composer-note{text-align:center;color:#686e7d;font-size:10px;padding:4px 10px max(11px,env(safe-area-inset-bottom))}.modal[hidden]{display:none!important}.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:18px;background:#0009;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.modal-card{width:min(520px,100%);max-height:calc(100dvh - 36px);overflow:auto;background:#11151e;border:1px solid #303544;border-radius:22px;padding:20px;box-shadow:0 25px 90px #0009;animation:modalIn .16s ease-out}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.modal-head h2{margin:0;font-size:22px}.modal-head p{margin:4px 0 0;color:#7f8798;font-size:12px}.setting{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 2px;border-top:1px solid #252936}.setting b{display:block;font-size:14px}.setting small{display:block;color:#7f8798;margin-top:4px;line-height:1.4}.setting-btn{border:1px solid #363c4b;border-radius:11px;background:#1a1f29;color:#fff;padding:9px 13px;font-weight:700;cursor:pointer;white-space:nowrap}.setting-btn:hover,.setting-btn:focus-visible{background:#272d39;outline:2px solid #7154dc55}.setting-btn.danger{border-color:#633640}.ready-pill{font-size:11px;padding:6px 9px;border-radius:999px;background:#173323;color:#74e3a1}.version{text-align:center;color:#636b7b;font-size:10px;padding-top:14px}@keyframes rise{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}@keyframes pulse{50%{transform:scale(1.04);box-shadow:0 0 80px #7655ff77}}@keyframes modalIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}@media(max-width:700px){.sidebar{position:fixed;z-index:120;left:-280px;top:0;bottom:0;height:100dvh;transition:left .2s ease;box-shadow:20px 0 60px #0007}.sidebar.open{left:0}.sidebar-backdrop:not([hidden]){display:block;position:fixed;inset:0;z-index:115;background:#0008;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}.mobile-only{display:grid}header{height:62px;min-height:62px;padding:8px 10px}.brand{margin-left:7px}.brand span{display:none}.new-top{font-size:0;width:42px;height:42px;padding:0}.new-top:after{content:'＋';font-size:20px}.actions{gap:5px}#chat{padding:14px 9px 20px}.msg{margin:17px 2px;gap:7px}.avatar{width:32px;height:32px;min-width:32px}.message-wrap{max-width:calc(100% - 39px)}.bubble{padding:11px 13px}.sender{margin-bottom:4px}#welcome{padding:0 12px 10px}.orb{width:68px;height:68px;font-size:31px}h1{font-size:28px}.download-box{padding:12px;margin-top:13px}.download-top{font-size:12px}.chips{gap:7px}.chips button{font-size:12px;padding:10px 11px}#composer{width:calc(100% - 14px)}.composer-box{border-radius:17px;padding:7px 7px 7px 12px}.composer-box textarea{font-size:16px}.send{width:43px;height:43px}.modal{align-items:flex-end;padding:8px}.modal-card{width:100%;max-height:calc(100dvh - 16px);border-radius:22px 22px 14px 14px;padding:17px}.setting{gap:10px}.setting small{max-width:240px}}@media(max-width:380px){.brand b{font-size:14px}.icon,.new-top{width:39px;height:39px}.message-wrap{max-width:calc(100% - 38px)}.chips button{padding:9px 10px}.composer-note{font-size:9px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}