:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,Arial}*{box-sizing:border-box}body{margin:0;background:#0b0d16;color:#f5f5fa}header{padding:22px clamp(16px,4vw,55px);border-bottom:1px solid #292a38;display:flex;align-items:center;justify-content:space-between}header strong{font-size:23px;letter-spacing:-1px}header strong span{color:#b38bff}.pill{border:1px solid #373749;border-radius:40px;padding:8px 12px;color:#aaaac1;font-size:12px}main{max-width:1420px;margin:auto;padding:28px 22px}h1{font-size:clamp(27px,4vw,46px);letter-spacing:-1.8px;margin:0 0 9px}p{color:#a6a7bb;margin:0 0 25px}.layout{display:grid;grid-template-columns:minmax(270px,340px) minmax(0,1fr);gap:20px}.panel{background:#151723;border:1px solid #303141;border-radius:20px;padding:21px}.panel h2{font-size:16px;margin:0 0 18px}.group{margin-bottom:20px}.group label{display:block;color:#c8c8d7;font-size:13px;margin-bottom:9px}.drop{border:1.5px dashed #68618b;border-radius:13px;padding:23px 14px;text-align:center;background:#211d32;cursor:pointer;display:block}.drop strong{display:block;margin-bottom:5px}.drop small{color:#aaa5c5}input[type=file]{display:block;width:100%;margin-top:12px;color:#ded5ff;font-size:14px}
input[type=file]::file-selector-button{background:#8c5cf6;color:white;border:0;border-radius:9px;padding:12px;margin-right:9px}
#imageFallback{display:none;width:100%;max-height:230px;object-fit:contain;margin-top:15px;border-radius:10px}
.buttons{display:flex;flex-wrap:wrap;gap:8px}button,select,textarea{font:inherit}button{border:1px solid #414155;background:#242637;color:#eaeaf3;border-radius:10px;padding:10px 13px;cursor:pointer}button.active{background:#7b4de1;border-color:#a481ff;color:white}button.primary{background:#8c5cf6;border:0;font-weight:700;width:100%;padding:14px}button:disabled{opacity:.5;cursor:not-allowed}select{background:#242637;color:white;border:1px solid #414155;border-radius:10px;padding:11px;width:100%}input[type=range]{width:100%;accent-color:#a57bff}.preview{display:flex;align-items:center;justify-content:center;background:#10111b;border:1px solid #303141;border-radius:17px;padding:18px;min-height:480px;overflow:hidden}canvas{display:block;max-width:100%;max-height:620px;object-fit:contain;box-shadow:0 18px 60px #0008}.topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.topline h2{margin:0;font-size:16px}.muted{font-size:12px;color:#aaaac1}.captionBox{margin-top:18px}textarea{width:100%;resize:vertical;min-height:110px;background:#0e101b;border:1px solid #414155;border-radius:12px;color:#f2f2fc;padding:14px;line-height:1.5}.captionActions{display:flex;gap:8px;margin-top:9px;flex-wrap:wrap}.notice{font-size:12px;color:#aaaac1;line-height:1.6;margin-top:14px}.notice a{color:#c5a8ff}#status{font-size:12px;color:#bcb5d6;min-height:18px;margin-top:10px}@media(max-width:850px){.layout{grid-template-columns:1fr}.preview{min-height:300px}.panel{padding:16px}}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #c8aaff;outline-offset:3px}.layout>*,.topline>*{min-width:0}#themes{max-height:190px;overflow:auto;padding:4px}.guide{margin-top:30px;line-height:1.7}.guide h2{font-size:23px}.guide h3{font-size:17px}.guide p{margin-bottom:16px}.guide a{color:#c5a8ff}header{gap:12px;flex-wrap:wrap}.skip{position:absolute;left:12px;top:-80px;background:#fff;color:#111;padding:12px;z-index:5}.skip:focus{top:12px}@media(max-width:480px){header .pill{font-size:11px}.topline{flex-wrap:wrap}main{padding:22px 12px}.preview{padding:10px}}

.site-nav,.site-footer{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center}.site-nav a,.site-footer a{color:#d7c6ff;text-decoration:none;font-size:14px}.site-nav a:hover,.site-footer a:hover{text-decoration:underline}.site-footer{padding:24px 0;border-top:1px solid #303141;margin-top:30px}.site-nav{padding:12px clamp(16px,4vw,55px);background:#11131f}.examples,.guide-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.examples figure{margin:0;background:#10111b;border:1px solid #303141;border-radius:16px;overflow:hidden}.examples img{width:100%;height:auto;aspect-ratio:1;object-fit:contain;display:block}.examples figcaption{padding:14px;color:#d4d0e2;font-size:14px}.example-section{margin:32px 0}.example-section>p{max-width:760px;line-height:1.65}.guide-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.guide-card{display:block;padding:22px;border:1px solid #3a3550;border-radius:16px;background:#1a172b;color:#f5f5fa;text-decoration:none}.guide-card p{line-height:1.65;margin:10px 0 0;font-size:14px}.guide-card:hover{border-color:#b38bff}.article{max-width:850px;margin:auto;padding:40px 22px}.article h1{font-size:clamp(30px,5vw,46px);line-height:1.15}.article h2{font-size:24px;margin-top:32px}.article h3{font-size:19px}.article p,.article li{line-height:1.8;color:#c4c4d4}.article a{color:#c5a8ff}.article table{border-collapse:collapse;width:100%;margin:20px 0;font-size:14px}.article th,.article td{text-align:left;padding:12px;border-bottom:1px solid #363447}.article .lead{font-size:18px;color:#d7c6ff}.cta{display:inline-block;background:#8c5cf6;color:#fff!important;text-decoration:none;padding:13px 20px;border-radius:10px;margin:12px 0}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:12px;color:#b38bff!important}.article img{max-width:100%;height:auto;border-radius:16px}.note{border-left:3px solid #a57bff;padding:12px 18px;background:#191628}.sample-button{margin:8px 0 18px}.guide-cards h3{margin:0;font-size:18px}@media(max-width:650px){.guide-cards{grid-template-columns:1fr}.examples{gap:10px}.examples figcaption{font-size:12px;padding:10px}.article{padding:30px 16px}.site-nav{gap:12px 18px}.article table{font-size:12px}.article th,.article td{padding:8px}}

/* Visual refresh */
:root{--page:#090e1b;--surface:#121b2d;--line:#29364d;--ink:#f3f5ff;--muted:#aebbd1;--accent:#aa8bff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--page)}
body{background:radial-gradient(ellipse at 75% 0%,#27224966,transparent 45%),radial-gradient(ellipse at 0% 25%,#10334644,transparent 35%),var(--page);color:var(--ink);line-height:1.5}
header{max-width:1360px;margin:auto;padding:24px 32px;border-bottom:0}header strong{font-size:28px;letter-spacing:-1.4px}header strong span{color:#b49aff}.pill{color:#bcdece;background:#13352b66;border-color:#315e4d;font-size:11px;letter-spacing:.3px}
.site-nav{max-width:1296px;margin:0 auto;background:transparent;border-bottom:1px solid var(--line);padding:0 0 18px;gap:28px}.site-nav a{color:#b7c4d9;font-weight:550;font-size:13px}.site-nav a:hover{color:#d5c6ff;text-decoration:none}
main{max-width:1360px;padding:0 32px 32px}.hero{max-width:850px;padding:48px 0 38px}.hero-kicker{font-size:11px;font-weight:700;letter-spacing:2px;color:#b6a0f0;margin-bottom:18px;display:flex;gap:9px;align-items:center}.hero-kicker span{width:6px;height:6px;background:#89ddbc;border-radius:50%;box-shadow:0 0 12px #89ddbc66}h1{font-size:clamp(34px,4.4vw,60px);line-height:1.08;letter-spacing:-2.5px;margin-bottom:20px}.hero h1 span{color:#b49aff!important}.hero>p{font-size:16px;line-height:1.8;color:var(--muted);max-width:680px;margin-bottom:22px}.hero-benefits{display:flex;gap:10px 24px;flex-wrap:wrap;font-size:12px;color:#aebfd2}.hero-benefits span:first-child{color:#c9b6fc}
.layout{grid-template-columns:350px minmax(0,1fr);gap:26px;align-items:start}.panel{background:linear-gradient(150deg,#151f32,#111a2a);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 8px 30px #00000018}.controls-panel h2{font-size:18px;letter-spacing:-.4px;padding-bottom:18px;border-bottom:1px solid var(--line)}.group{margin-bottom:24px}.group label{font-size:12px;font-weight:550;color:#c0cbe0}.drop{background:linear-gradient(140deg,#282044,#172e3c);border:1px dashed #8c73bd;border-radius:14px;padding:24px 12px;transition:border-color .2s,background .2s}.drop:hover{border-color:#d7c7ff;background:#30264e}.drop strong{color:#e0d5ff;font-size:15px}.drop small{font-size:11px;color:#aebed3}input[type=file]{font-size:11px;color:#b6c3d8}input[type=file]::file-selector-button{background:#9b7ae9;color:#100d21;font-size:12px;font-weight:700;border-radius:8px}
button{background:#1c293e;border-color:#35435c;color:#cbd4e7;font-size:12px;padding:10px 12px;transition:background .16s,border-color .16s,transform .16s}button:hover{background:#2a3851;border-color:#8771b2}button:active{transform:translateY(1px)}button.active{background:#9f7eea;border-color:#c0a6ff;color:#100c1d;font-weight:700}button.primary,.cta{background:linear-gradient(120deg,#b49aff,#8d72ee);color:#110d22!important;box-shadow:0 4px 18px #8e6feb26;font-size:14px;border-radius:11px;padding:14px 18px}button.primary:hover,.cta:hover{background:linear-gradient(120deg,#c3afff,#a08af4)}select,textarea{background:#0d1728;border-color:#35435a;color:#e5eaf6;font-size:13px;border-radius:10px}select{padding:12px}textarea{line-height:1.75}textarea::placeholder{color:#8796af}input[type=range]{accent-color:#ad92f8}input[type=checkbox]{accent-color:#ad92f8!important}
#ratios{display:grid;grid-template-columns:repeat(3,1fr)}#themes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:220px;gap:7px;scrollbar-width:thin;scrollbar-color:#485476 transparent;padding:3px}#themes button{display:flex;align-items:center;gap:8px;text-align:left;font-size:11px;padding:8px;border-radius:9px}#themes button:before{content:"";width:23px;height:23px;border-radius:6px;background:var(--swatch);flex-shrink:0;border:1px solid #ffffff30}#themes button.active{color:#e4d8ff;background:#30264b;border-color:#ad92f8}
.preview{background-color:#0c1424;background-image:radial-gradient(#38445d66 .7px,transparent .7px);background-size:16px 16px;border:1px solid #33405a;border-radius:20px;min-height:500px;padding:32px;box-shadow:inset 0 0 60px #080e1b66}canvas{border-radius:9px;box-shadow:0 20px 60px #0006;max-height:580px}.topline{padding:0 2px;margin-bottom:14px}.topline h2{font-size:14px;color:#dae2f4}.muted{font-size:11px;color:#a1b1ca}#sizeLabel{background:#182338;border:1px solid #2c3d56;border-radius:20px;padding:5px 12px;letter-spacing:.5px}.notice{color:#a7b5cd;font-size:11px}#status{background:#0c1626;border-radius:9px;padding:10px 12px;color:#c5c4e6;line-height:1.7}.captionBox{margin-top:22px}.captionBox h2{font-size:18px}.captionBox .primary{margin-bottom:14px}
.example-section{margin-top:64px}.example-section h2,.guide h2{font-size:27px;letter-spacing:-.7px}.example-section>p{color:var(--muted)}.examples figure{background:#101a2c;border-color:#2d3a53;border-radius:18px}.examples img{padding:20px}.examples figcaption{border-top:1px solid #29364d;color:#bfcae0;padding:16px 20px}.guide-card{background:linear-gradient(135deg,#1d2540,#121c2c);border-color:#34405b;border-radius:16px;transition:transform .2s,border-color .2s}.guide-card:hover{transform:translateY(-3px);border-color:#a58bcf}.guide-card h3{color:#e0d7ff}.guide-card p{color:#acbdd2}.guide{margin-top:40px}.guide h3{color:#d2c4f4;margin-top:24px}.guide p{color:#adbbd1}.site-footer{margin-top:40px;border-color:var(--line);font-size:12px}.site-footer span{margin-right:auto}.site-footer a{color:#b6c3da;font-size:12px}.article{padding:44px 24px}.article h1{max-width:780px}.article h2{color:#e1d5ff}.article p,.article li{color:#b8c5d9}.article .lead{color:#c7b8ed}.article a{color:#c6acff}.article table{background:#121b2d;border-radius:12px}.article th{color:#d6c8ff}.article td,.article th{border-color:#2b3951}
@media(min-width:1000px){.controls-panel{max-height:1000px;overflow:auto;scrollbar-width:thin;scrollbar-color:#485476 transparent}}
@media(max-width:850px){header{padding:20px 22px}.site-nav{margin:0 22px;padding-bottom:16px}.layout{grid-template-columns:1fr;gap:24px}main{padding:0 22px 28px}.hero{padding:36px 0 30px}.hero h1{max-width:650px}.preview{min-height:320px;padding:20px}.panel{padding:20px}.hero-benefits{gap:10px 18px}.example-section{margin-top:42px}}
@media(max-width:480px){header{padding:18px 18px 14px;gap:10px}header strong{font-size:25px}.pill{font-size:9px;padding:6px 9px}.site-nav{margin:0 18px;gap:22px}.site-nav a{font-size:12px}main{padding:0 16px 24px}.hero{padding-top:30px}.hero-kicker{font-size:9px;letter-spacing:1.4px}.hero h1{font-size:38px;letter-spacing:-1.8px}.hero>p{font-size:14px;line-height:1.75}.hero-benefits{font-size:10px;gap:10px 16px}.panel{padding:18px}.preview{padding:16px;min-height:280px}.examples{grid-template-columns:1fr}.examples img{padding:14px}.example-section h2,.guide h2{font-size:23px}.article{padding:32px 18px}.article h1{font-size:35px}.site-footer{gap:14px 20px}.site-footer span{width:100%}.topline{gap:8px}.captionBox .topline .muted{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

.brand{display:inline-flex;align-items:center;gap:9px;color:inherit;text-decoration:none;flex-shrink:0}.brand img{display:block;width:42px;height:42px;object-fit:contain}.brand strong{line-height:1}@media(max-width:480px){.brand{gap:7px}.brand img{width:36px;height:36px}}

.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:#aebbd1;margin-bottom:22px}.breadcrumbs a{color:#c6acff}