:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;background:#111214;color:#f2f1ee}*{box-sizing:border-box}body{margin:0}main{max-width:1240px;margin:auto;padding:52px 36px 26px}.eyebrow,.section-label{font-size:11px;letter-spacing:.16em;font-weight:700;color:#d9956b}.eyebrow{margin-bottom:18px}h1{font-size:clamp(32px,4vw,54px);letter-spacing:-.05em;margin:0 0 10px}header p{margin:0;color:#aaa9a6;font-size:16px}.workspace{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,.7fr);gap:32px;margin-top:36px}.preview{position:relative;aspect-ratio:3/2;background:#050505;border:1px solid #353535;border-radius:14px;overflow:hidden;display:grid;place-items:center}.preview.drag{outline:3px solid #d9956b}canvas{display:block;width:100%;height:100%;object-fit:contain}#empty{position:absolute;text-align:center;font-size:20px;line-height:1.8;color:#dedbd7;pointer-events:none}#empty small{color:#8e8d8a;font-size:13px}.hint{font-size:13px;line-height:1.55;color:#a6a39f;margin:14px 1px}.controls,.results{background:#1a1b1e;border:1px solid #313236;border-radius:14px;padding:24px}.section-label{margin:2px 0 15px}.pick,button{font:inherit;border-radius:9px;cursor:pointer}.pick{display:block;text-align:center;background:#35373b;color:#fff;padding:14px}button{border:1px solid #55565a;background:#292a2e;color:#f4f3f0;padding:12px 16px}button:hover,.pick:hover{filter:brightness(1.15)}button:disabled{opacity:.38;cursor:not-allowed}.info{font-size:13px;line-height:1.65;color:#b8b7b5;margin:14px 0 30px;overflow-wrap:anywhere}.segmented{display:flex;gap:8px}.segmented button{flex:1;padding:11px 8px;font-size:12px}.segmented .selected{border-color:#d9956b;color:#f2bb98;background:#3b2b25}.toggle{display:flex;align-items:center;gap:8px;margin:20px 0 32px;color:#ddd;font-size:14px}.toggle input{accent-color:#d9956b}.primary{background:#d58e62;border-color:#d58e62;color:#161412;font-weight:700}#generate{width:100%;padding:15px}.error{margin-top:16px;color:#ffb1a7;font-size:13px;line-height:1.5}.results{margin-top:28px}.result-head{display:flex;align-items:center;justify-content:space-between}h2{font-size:25px;margin:0 0 18px}.checks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.check{padding:12px;background:#242528;border-radius:8px;min-height:62px}.check span{display:block;color:#a7a7a7;font-size:11px;margin-bottom:6px}.check strong{font-size:14px;overflow-wrap:anywhere}.pass{color:#9ed7ac}.downloads{display:flex;gap:12px;margin-top:22px}.downloads button{flex:1}.muted{color:#a7a6a4;font-size:12px}footer{margin-top:32px;color:#737373;font-size:11px}@media(max-width:840px){main{padding:28px 18px}.workspace{grid-template-columns:1fr}.checks{grid-template-columns:repeat(2,1fr)}.downloads{flex-direction:column}}
/* Web v1.0: concise input hints, preview modes, and compact verification. */
.info{margin-bottom:10px}.small-warning{font-size:12px;line-height:1.5;color:#e7b38e;margin:0 0 24px}.small-warning[hidden]{display:none}.preview-label{margin-top:28px}.preview-modes button{font-size:12px;white-space:nowrap}.generate-label{margin-top:30px}.result-head h2{margin-bottom:6px}.result-head strong{font-size:14px;color:#9ed7ac}.result-head #final-size{font-size:18px;color:#f2f1ee}.results details{border-top:1px solid #343538;margin-top:22px;padding-top:15px}.results summary{cursor:pointer;color:#aaa9a6;font-size:13px}.results .checks{margin-top:16px}

/* Public-facing guidance and real generation counter. */
.hero{display:flex;align-items:flex-start;justify-content:space-between;gap:36px}.scope-note{max-width:900px;line-height:1.65}.scope-note strong{color:#e7e3de}.counter{flex:0 0 auto;min-width:150px;text-align:right;padding:8px 0}.counter span{display:block;font-size:10px;letter-spacing:.18em;color:#d9956b;font-weight:700;margin-bottom:7px}.counter strong{display:block;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-size:26px;letter-spacing:.08em;color:#f2f1ee}.upload-rules{margin:9px 2px 0;color:#8f8e8b;font-size:11px;line-height:1.45}.guide-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:16px;margin-top:20px}.guide{background:#17181b;border:1px solid #2d2e31;border-radius:12px;padding:0 20px}.guide summary{cursor:pointer;padding:17px 0;font-size:13px;font-weight:700;color:#d9d6d1}.guide ol{margin:0 0 16px;padding-left:22px}.guide li,.guide p{color:#aaa9a6;font-size:12px;line-height:1.7}.guide li+li{margin-top:7px}.guide code{color:#e4b18f;background:#222326;border-radius:4px;padding:2px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}@media(max-width:840px){.hero{display:block}.counter{text-align:left;margin-top:20px}.guide-grid{grid-template-columns:1fr}.scope-note{font-size:13px}}
footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.unofficial{color:#666}

/* Step 0: factory image backup */
.backup-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;margin-top:28px;padding:22px 24px;background:#17181b;border:1px solid #3a332f;border-radius:14px}
.backup-card h2{margin:0 0 8px;font-size:21px;letter-spacing:-.02em}.backup-card p{margin:0;color:#aaa9a6;font-size:13px;line-height:1.65}.backup-card details{margin-top:14px;border-top:1px solid #303136;padding-top:12px}.backup-card summary{cursor:pointer;color:#d8d5d0;font-size:13px}.backup-card ol{margin:12px 0 10px;padding-left:20px;color:#b9b7b3;font-size:12px;line-height:1.7}.backup-card code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#e4b18e;font-size:.95em}.backup-warning{color:#d7a17d!important}.backup-download{display:inline-flex;align-items:center;justify-content:center;min-width:250px;padding:14px 18px;border-radius:9px;background:#292a2e;border:1px solid #d58e62;color:#f2bb98;text-decoration:none;font-weight:700;font-size:14px}.backup-download:hover{filter:brightness(1.12)}
@media(max-width:840px){.backup-card{grid-template-columns:1fr}.backup-download{width:100%;min-width:0}}

/* Step 0: factory image backup */
.backup-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;margin-top:28px;padding:22px 24px;background:#17181b;border:1px solid #3a332f;border-radius:14px}
.backup-card h2{margin:0 0 8px;font-size:21px;letter-spacing:-.02em}.backup-card p{margin:0;color:#aaa9a6;font-size:13px;line-height:1.65}.backup-card details{margin-top:14px;border-top:1px solid #303136;padding-top:12px}.backup-card summary{cursor:pointer;color:#d8d5d0;font-size:13px}.backup-card ol{margin:12px 0 10px;padding-left:20px;color:#b9b7b3;font-size:12px;line-height:1.7}.backup-card code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#e4b18e;font-size:.95em}.backup-warning{color:#d7a17d!important}.backup-download{display:inline-flex;align-items:center;justify-content:center;min-width:250px;padding:14px 18px;border-radius:9px;background:#292a2e;border:1px solid #d58e62;color:#f2bb98;text-decoration:none;font-weight:700;font-size:14px}.backup-download:hover{filter:brightness(1.12)}
@media(max-width:840px){.backup-card{grid-template-columns:1fr}.backup-download{width:100%;min-width:0}}