:root{color-scheme:light;--bg:#f5f4f1;--surface:#fff;--ink:#24232e;--sub:#615f6e;--line:#dedbe5;--violet:#6253c5;--violet-soft:#eeebff;--radius:18px;font-family:system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.55}a{color:#5144b8}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #be9fff;outline-offset:3px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px max(18px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);background:var(--surface)}.brand{text-decoration:none;font-weight:850;letter-spacing:.08em;color:var(--ink);white-space:nowrap}.brand-icon{font-size:25px;color:var(--violet);vertical-align:middle}.topbar nav{display:flex;flex-wrap:wrap;gap:14px}.topbar nav a{text-decoration:none;font-size:14px;font-weight:650}.topbar nav a:hover{text-decoration:underline}
main{max-width:1200px;margin:auto;padding:22px 20px 50px}.intro{max-width:900px;margin:12px auto 32px;text-align:center}.eyebrow{font-size:13px;text-transform:uppercase;font-weight:750;letter-spacing:.1em;color:var(--violet)}h1{font-size:clamp(1.85rem,4vw,3rem);line-height:1.16;margin:14px 0}h2{font-size:1.2rem;line-height:1.25;margin:0 0 18px}.intro p{color:var(--sub);font-size:1.05rem;margin:0 auto;max-width:850px}
.workspace{display:grid;grid-template-columns:minmax(310px,.8fr) minmax(0,1.2fr);gap:20px;align-items:start}.controls,.results{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 12px 24px rgba(35,30,60,.04)}.controls h2:not(:first-child){margin-top:24px}.drop-zone{cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:7px;min-height:150px;border:2px dashed #a79bdc;background:#f8f6ff;border-radius:15px;padding:18px 15px;transition:.15s background}.drop-zone:hover,.drop-zone.over{background:#eee9ff}.drop-icon{font-size:32px;color:var(--violet)}.drop-zone small{font-size:12px;color:var(--sub)}#photo-file{display:block;max-width:100%;font-size:13px;margin-top:11px}.small{color:var(--sub);font-size:12px;margin:8px 0}.field{display:grid;gap:9px;margin:16px 0;font-size:14px;font-weight:650}.field>span{display:flex;justify-content:space-between;gap:10px}.field small{font-weight:400;color:var(--sub)}output{color:var(--violet)}input[type=range]{width:100%;accent-color:var(--violet);cursor:pointer}select{background:var(--surface);border:1px solid #c6c1d7;border-radius:9px;padding:10px;color:var(--ink);max-width:100%}.check{display:flex;align-items:flex-start;gap:10px;cursor:pointer;margin-top:17px;font-size:14px}.check input{accent-color:var(--violet);width:19px;height:19px;margin:2px 0 0}.check span{display:grid;gap:3px}.check small{color:var(--sub)}#photo-status{border-radius:9px;padding:12px;background:#f1f0f7;color:#3a3557;font-size:13px;margin-top:20px}#photo-status[data-error]{background:#fff0ee;color:#8a3127}
.preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.preview-grid figure{margin:0;min-width:0}.preview-grid figcaption{font-size:13px;font-weight:700;margin-bottom:9px}.preview-frame{background-color:#f7f7f7;background-image:linear-gradient(45deg,#eaeaea 25%,transparent 25%),linear-gradient(-45deg,#eaeaea 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eaeaea 75%),linear-gradient(-45deg,transparent 75%,#eaeaea 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--line);border-radius:12px;position:relative}.preview-frame img,.preview-frame canvas{display:block;max-width:100%;max-height:100%;object-fit:contain;width:100%;height:100%}#photo-result{image-rendering:pixelated;image-rendering:crisp-edges}#photo-placeholder,#photo-result-placeholder{position:absolute;padding:10px;text-align:center;font-size:13px;color:#777;background:rgba(255,255,255,.8);border-radius:8px}#photo-result[hidden]{display:none}.result-detail{margin:17px 0 8px;font-size:13px;font-weight:650;color:var(--sub)}.palette{display:flex;gap:5px;flex-wrap:wrap;min-height:22px}.palette span{display:block;width:19px;height:19px;border-radius:5px;border:1px solid #7774;box-shadow:0 1px 2px #0002}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:20px}.actions label{font-size:14px;font-weight:700}.button{border-radius:9px;padding:12px 15px;font-size:14px;line-height:1.3;font-weight:750;border:1px solid transparent;cursor:pointer;min-height:44px}.button-main{background:var(--violet);color:white}.button-secondary{background:var(--violet-soft);color:#4c3faa}.button:hover:not(:disabled){filter:brightness(.96)}.button:disabled{opacity:.45;cursor:not-allowed}.warning{margin-top:16px}
.content{margin:35px auto 0;max-width:1050px}.content>h2{font-size:1.5rem}.content ol{padding-left:22px}.content li{margin:10px 0}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:32px 0}.content-grid section,.content>section{padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:15px}.content p{color:var(--sub)}details{border-top:1px solid var(--line);padding:13px 0}summary{cursor:pointer;font-weight:650}.footer{border-top:1px solid var(--line);padding:16px 20px;text-align:center;font-size:13px;color:var(--sub)}
@media(max-width:890px){.workspace{grid-template-columns:1fr}.results,.controls{padding:20px}.topbar{padding:13px 20px}.intro{margin-top:0}}
@media(max-width:520px){main{padding:18px 12px 35px}.topbar{flex-direction:column;align-items:flex-start;gap:8px}.topbar nav{gap:11px}.topbar nav a{font-size:12px}.controls,.results{padding:16px}.preview-grid{gap:8px}.preview-frame{aspect-ratio:4/5}.actions{display:grid;grid-template-columns:1fr 1fr}.actions label{grid-column:1}.actions select{grid-column:2}.actions button{grid-column:span 2}.content-grid{grid-template-columns:1fr}.intro p{font-size:14px}h1{font-size:1.95rem}}
@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#15161d;--surface:#20212b;--ink:#eeeaf7;--sub:#b8b5c5;--line:#373743;--violet:#aaa0ff;--violet-soft:#353049}.drop-zone{background:#292439}.drop-zone:hover,.drop-zone.over{background:#352d53}#photo-status{background:#302d42;color:#e6e1ff}#photo-status[data-error]{background:#452d30;color:#ffcbcb}.preview-frame{background-color:#3b3a44;background-image:linear-gradient(45deg,#454450 25%,transparent 25%),linear-gradient(-45deg,#454450 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#454450 75%),linear-gradient(-45deg,transparent 75%,#454450 75%)}#photo-placeholder,#photo-result-placeholder{background:rgba(25,25,30,.8);color:#ddd}select{border-color:#515067}.button-secondary{color:#e2deff}}

.preview-frame [hidden]{display:none!important}