:root{color-scheme:dark;--bg:#080a0f;--panel:#10131a;--line:#262b36;--line2:#343b49;--text:#f4f6fb;--muted:#8e96a7;--accent:#63e6be;--danger:#ff7b86;--radius:18px}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font:14px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.ambient{position:fixed;pointer-events:none;filter:blur(110px);opacity:.13;border-radius:50%}.ambient-a{width:540px;height:540px;background:#5eead4;top:-340px;left:-180px}.ambient-b{width:520px;height:520px;background:#5b8def;right:-280px;bottom:-300px}.app-shell{width:min(1500px,calc(100% - 40px));margin:auto;padding:22px 0 16px;position:relative}.topbar{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:18px}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid #4ce4b7;border-radius:12px;background:linear-gradient(145deg,#17372f,#101820);color:#78f2ce;font-size:22px;font-weight:900}.brand strong,.brand small,.credential strong,.credential small{display:block}.brand strong{font-size:17px}.brand small,.credential small{font-size:11px;color:var(--muted)}.credential{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:#0d1016;border-radius:13px;padding:7px 8px 7px 12px}.lock{font-size:9px;color:var(--accent);box-shadow:0 0 14px var(--accent)}.credential label{min-width:130px}.credential strong{font-size:11px}.token-wrap{display:flex;align-items:center;background:#07090d;border:1px solid var(--line);border-radius:9px;overflow:hidden}.token-wrap input{width:150px;border:0;background:transparent;color:var(--text);padding:8px 9px;outline:0}.icon-btn,.quiet-btn{border:0;background:transparent;color:var(--muted);cursor:pointer}.icon-btn{padding:8px;font-size:11px}.icon-btn:hover,.quiet-btn:hover{color:var(--text)}.studio{display:grid;grid-template-columns:minmax(380px,.82fr) minmax(520px,1.18fr);gap:16px;min-height:calc(100vh - 145px)}.panel{border:1px solid var(--line);background:linear-gradient(155deg,#12161eeb,#0d1017f2);border-radius:var(--radius);box-shadow:0 20px 70px #0005;overflow:hidden}.visual-panel{padding:20px;overflow:auto}.section-heading,.preset-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.section-heading>div,.preset-heading{display:flex;align-items:center;gap:9px}.section-heading h2,.preset-heading h2{margin:0;font-size:14px}.step{font:700 10px/1 ui-monospace,monospace;color:var(--accent);border:1px solid #265e50;border-radius:6px;padding:4px}.quiet-btn{font-size:12px}.quiet-btn:disabled{opacity:.4;cursor:default}.dropzone{width:100%;height:clamp(245px,35vh,390px);padding:0;border:1px dashed #3a4352;border-radius:15px;background:#0a0d12;overflow:hidden;color:inherit;cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.dragging{border-color:var(--accent);background:#0e1717;box-shadow:inset 0 0 60px #5eead40a}.upload-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}.upload-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;background:#18221f;border:1px solid #274a40;color:var(--accent);font-size:28px;margin-bottom:7px}.upload-empty strong{font-size:16px}.upload-empty span:not(.upload-icon),.upload-empty small{color:var(--muted)}.upload-empty small{margin-top:8px;font-size:11px}.preview-wrap{width:100%;height:100%;position:relative}.preview-wrap img{width:100%;height:100%;object-fit:contain;background:repeating-conic-gradient(#0d1016 0 25%,#10141c 0 50%) 0/16px 16px}.replace-badge{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);padding:6px 10px;background:#080a0edb;border:1px solid var(--line2);border-radius:8px;color:#dce2ea;font-size:11px;white-space:nowrap}.image-meta{color:var(--muted);font-size:11px;padding:8px 2px 0}.preset-heading{justify-content:flex-start;margin:22px 0 10px}.preset-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.preset-grid button,.examples button{border:1px solid var(--line);background:#141821;color:#dce1e9;border-radius:10px;padding:9px 10px;text-align:left;cursor:pointer;transition:.15s}.preset-grid button:hover,.examples button:hover{border-color:#4f5a6c;background:#1a202b}.preset-grid button.active{border-color:#3d9e84;background:#122a24;color:#a4f5dc}.preset-grid button span{color:var(--accent);margin-right:7px}.examples{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:14px}.examples>span{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.examples button{padding:5px 8px;font-size:11px}.chat-panel{display:grid;grid-template-rows:auto auto minmax(280px,1fr) auto auto;min-height:680px}.chat-heading{padding:20px 20px 14px;margin:0;border-bottom:1px solid var(--line)}.context-pill{font-size:10px;color:var(--muted);background:#181c25;border:1px solid var(--line2);padding:3px 7px;border-radius:99px}.context-pill.has-image{color:#9cf0d6;border-color:#2c705f;background:#11231f}.chat{padding:22px;overflow:auto;display:flex;flex-direction:column;gap:18px;scroll-behavior:smooth}.empty-state{margin:auto;text-align:center;max-width:380px;color:var(--muted)}.empty-state .orb{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 14px;border:1px solid #30594f;background:#10211d;border-radius:50%;color:var(--accent);font-size:24px}.empty-state h3{color:var(--text);margin:0 0 6px;font-size:18px}.empty-state p{margin:0}.message{display:flex;gap:10px;max-width:88%;animation:appear .22s ease}.message.user{align-self:flex-end;flex-direction:row-reverse}.avatar{flex:0 0 30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#1b2029;border:1px solid var(--line);font-size:11px;font-weight:800}.assistant .avatar{color:var(--accent)}.message-body{min-width:0}.bubble{padding:12px 14px;border:1px solid var(--line);background:#171b24;border-radius:4px 14px 14px 14px;white-space:pre-wrap;overflow-wrap:anywhere}.user .bubble{background:#1c332d;border-color:#285b4e;border-radius:14px 4px 14px 14px}.message-image{display:block;max-width:min(380px,100%);max-height:270px;border-radius:10px;margin-bottom:10px}.copy-btn{margin-top:5px;border:0;background:transparent;color:var(--muted);font-size:11px;padding:3px 1px;cursor:pointer}.copy-btn:hover{color:var(--text)}.progress{display:flex;gap:5px;align-items:center;padding:0 22px 14px;color:var(--muted);font-size:12px}.progress span{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.1s infinite}.progress span:nth-child(2){animation-delay:.15s}.progress span:nth-child(3){animation-delay:.3s}.progress p{margin:0 0 0 6px}.error-banner{margin:12px 18px 0;padding:10px 12px;display:grid;grid-template-columns:auto 1fr auto;gap:9px;align-items:start;background:#31171b;border:1px solid #71323a;border-radius:10px;color:#ffc5ca}.error-banner>span{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--danger);color:#26080b;font-weight:900}.error-banner p{margin:0}.error-banner button{border:0;background:transparent;color:#ffc5ca;font-size:18px;cursor:pointer}.composer{padding:16px 18px 18px;border-top:1px solid var(--line);background:#0c0f15}.composer label{display:block;margin-bottom:7px;color:#cbd1db;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.composer textarea{display:block;width:100%;resize:none;border:1px solid var(--line2);border-radius:12px;background:#12161e;color:var(--text);padding:12px 14px;font:inherit;outline:0}.composer textarea:focus{border-color:#398a75;box-shadow:0 0 0 3px #5eead40e}.composer-footer{display:flex;align-items:center;justify-content:space-between;margin-top:9px;color:var(--muted);font-size:10px}.composer-footer kbd{padding:1px 4px;border:1px solid var(--line2);border-radius:4px;background:#181c24;font:inherit}.send-btn{display:flex;align-items:center;gap:22px;border:0;border-radius:9px;padding:9px 11px 9px 16px;background:linear-gradient(135deg,#78ebcb,#63b9ed);color:#07130f;font-weight:800;cursor:pointer}.send-btn b{font-size:16px}.send-btn:disabled{opacity:.5;cursor:wait}footer{text-align:center;color:#697181;font-size:10px;padding:11px}footer a{color:#91a1b9}.hidden{display:none!important}@keyframes pulse{0%,70%,100%{opacity:.25;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@media(max-width:900px){.app-shell{width:min(720px,calc(100% - 24px))}.topbar{align-items:flex-start}.credential label{display:none}.studio{grid-template-columns:1fr}.chat-panel{min-height:700px}.dropzone{height:330px}}@media(max-width:560px){.app-shell{width:calc(100% - 16px);padding-top:10px}.topbar{display:block}.credential{margin-top:12px}.token-wrap{flex:1}.token-wrap input{width:100%}.studio{gap:10px}.visual-panel{padding:14px}.preset-grid{grid-template-columns:1fr}.message{max-width:96%}.composer-footer>span{display:none}.chat{padding:16px}.brand small{max-width:220px}}