:root {
  --ink:#182022; --muted:#738083; --line:#dbe0df; --paper:#f3f5f2;
  --panel:#ffffff; --brand:#f05a28; --brand-dark:#cf4116;
  --shadow:0 24px 70px rgba(20,31,32,.12); --radius:18px;
}
*{box-sizing:border-box}
body{margin:0;background:#dfe4e1;color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;min-width:320px}
button,input{font:inherit}
button{cursor:pointer}
.app-shell{min-height:100vh;background:var(--paper)}
.topbar{height:76px;padding:0 30px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;letter-spacing:.04em}
.brand-logo{width:84px;height:32px;object-fit:contain;object-position:left center}
.brand strong,.brand small{display:block}.brand strong{font-size:.86rem}.brand small{margin-top:3px;color:var(--muted);font-size:.65rem;letter-spacing:.06em}
.project-meta{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:.75rem}.status-dot,.live-dot{width:7px;height:7px;border-radius:50%;background:#45ae6e;box-shadow:0 0 0 4px rgba(69,174,110,.12)}
.icon-button{border:0;background:transparent;color:#8b9595;font-weight:900;font-size:1.05rem;margin-left:16px}
.workspace{display:grid;grid-template-columns:330px minmax(0,1fr);height:calc(100vh - 76px)}
.sidebar{background:#fff;border-right:1px solid var(--line);padding:30px 28px 22px;display:flex;flex-direction:column;overflow:auto}
.eyebrow{font-size:.65rem;font-weight:800;letter-spacing:.16em;color:var(--brand);text-transform:uppercase}
h1{font-family:Georgia,serif;font-size:2rem;line-height:1;margin:8px 0 10px;letter-spacing:-.035em}
.intro{color:var(--muted);font-size:.82rem;line-height:1.5;margin:0 0 26px}
.wizard-step{border-top:1px solid #edf0ef}.wizard-step:last-of-type{border-bottom:1px solid #edf0ef}.wizard-step summary{list-style:none;display:grid;grid-template-columns:24px 1fr 18px;gap:9px;align-items:center;padding:14px 0;cursor:pointer}.wizard-step summary::-webkit-details-marker{display:none}.wizard-step summary strong,.wizard-step summary small{display:block}.wizard-step summary strong{font-size:.78rem}.wizard-step summary small{color:var(--muted);font-size:.65rem;margin-top:3px}.wizard-step summary i{display:none;width:17px;height:17px;border-radius:50%;background:#dcf3e4;color:#26834b;font:700 .62rem/17px sans-serif;text-align:center;font-style:normal}.wizard-step.is-complete summary i{display:block}.wizard-step[open] .step-number{color:var(--brand)}.step-content{padding:0 0 17px 33px}.field-label{display:block;color:var(--muted);font-size:.65rem;margin:0 0 5px}.text-field{width:100%;border:1px solid var(--line);border-radius:8px;background:#fbfcfb;padding:9px 10px;color:var(--ink);font-size:.7rem;margin-bottom:10px}.text-field:focus{border-color:var(--brand);outline:3px solid rgba(240,90,40,.12)}.step-next{width:100%;display:flex;justify-content:center;gap:9px;border:1px solid #f0c1b0;background:#fff8f4;color:var(--brand-dark);border-radius:8px;padding:8px;margin-top:3px;font-size:.66rem;font-weight:800}
.step{display:flex;gap:12px;padding:14px 0;border-top:1px solid #edf0ef;align-items:center}.step-number{font:700 .65rem/1 monospace;color:#a1aaaa}.step.active .step-number{color:var(--brand)}
.step strong,.step small{display:block}.step strong{font-size:.78rem}.step small{color:var(--muted);font-size:.67rem;margin-top:3px}
.control-group{padding:2px 0 20px}.control-group>label{font-size:.68rem;color:var(--muted)}
.swatches{display:flex;gap:9px;margin:11px 0 12px}.swatch{width:28px;height:28px;border-radius:50%;background:var(--swatch);border:3px solid #fff;box-shadow:0 0 0 1px #cdd2d1}.swatch.selected{box-shadow:0 0 0 2px var(--brand)}
.color-value{height:38px;padding:0 10px;border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;gap:8px;font-size:.69rem}.color-value>span:first-child{width:13px;height:13px;border-radius:3px;background:#f5f5f2;border:1px solid #ccc}.color-value code{margin-left:auto;color:#8b9595;font-size:.63rem}
.upload-zone{display:grid;place-items:center;text-align:center;border:1px dashed #cbd1cf;border-radius:12px;background:#fafbf9;padding:19px 12px;transition:.2s ease}.upload-zone:hover,.upload-zone.dragging{border-color:var(--brand);background:#fff8f4}.upload-zone input{display:none}.upload-zone strong{font-size:.75rem;margin:6px 0 3px}.upload-zone small{font-size:.63rem;color:var(--muted)}.upload-icon{font-size:1.3rem;color:var(--brand)}
.art-controls{margin-top:12px}.layers-heading{display:flex;justify-content:space-between;align-items:center;font-size:.67rem;font-weight:750}.layers-heading small{color:var(--muted);font-weight:500}.layer-list{display:grid;gap:5px;margin:8px 0;max-height:142px;overflow:auto}.layer-row{display:grid;grid-template-columns:28px 1fr 25px;align-items:center;gap:7px;border:1px solid var(--line);border-radius:7px;padding:5px;background:#fff;font-size:.62rem}.layer-row.selected{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}.layer-thumb{width:28px;height:24px;object-fit:contain;background:#eef1ef;border-radius:3px}.layer-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.visibility{border:0;background:transparent;color:#737d7c;padding:3px}.layer-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:7px 0 11px}.layer-actions button{border:1px solid var(--line);border-radius:6px;background:#fff;height:28px;color:#626d6c}.layer-actions .danger{color:#b63333}.art-controls label{display:grid;grid-template-columns:1fr auto;font-size:.66rem;color:var(--muted);margin-top:8px}.art-controls input{grid-column:1/-1;width:100%;accent-color:var(--brand)}
.sidebar-spacer{flex:1;min-height:15px}.primary-button{border:0;border-radius:9px;background:var(--brand);color:#fff;padding:14px 16px;font-weight:800;font-size:.77rem;display:flex;justify-content:center;gap:15px;box-shadow:0 10px 22px rgba(240,90,40,.22)}.primary-button:hover{background:var(--brand-dark)}.export-note{text-align:center;color:#9ba3a3;font-size:.6rem;margin:9px 0 0}.builder-credit{display:block;text-align:center;color:#8e9796;text-decoration:none;font-size:.58rem;margin-top:8px}.builder-credit strong{color:#5b6665}.builder-credit:hover strong{color:var(--brand)}
.stage-panel{display:grid;grid-template-rows:62px minmax(0,1fr) 66px;min-width:0}.stage-toolbar,.bottom-bar{display:flex;align-items:center;background:#f8f9f7;border-bottom:1px solid var(--line);padding:0 28px}.stage-toolbar{justify-content:space-between}
.view-tabs{display:flex;align-self:stretch;gap:4px}.view-tab{position:relative;border:0;background:none;color:#778182;padding:0 17px;font-size:.7rem;font-weight:700}.view-tab span{margin-right:7px}.view-tab.active{color:var(--ink)}.view-tab.active:after{content:"";position:absolute;height:2px;background:var(--brand);left:14px;right:14px;bottom:0}
.zoom-controls{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}.zoom-controls button{width:31px;height:29px;border:0;background:#fff;color:#657071}.zoom-controls span{min-width:47px;text-align:center;border-inline:1px solid var(--line);font-size:.63rem;color:#657071}
.stage{position:relative;overflow:hidden;background:#e9edeb;display:grid;place-items:center;padding:42px}.stage-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(52,70,69,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(52,70,69,.035) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,transparent,black 18%,black 82%,transparent)}
.canvas-wrap{position:relative;width:min(92%,1100px);filter:drop-shadow(0 30px 26px rgba(29,42,42,.14));transition:transform .25s ease}.canvas-wrap canvas{display:block;width:100%;height:auto;max-height:62vh;object-fit:contain}
.stage-caption{position:absolute;left:50%;bottom:17px;transform:translateX(-50%);display:flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.8);border-radius:999px;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);padding:8px 14px;font-size:.61rem;color:#818a89;box-shadow:0 8px 30px rgba(25,40,39,.08)}.stage-caption strong{color:var(--ink)}
.bottom-bar{border-top:1px solid var(--line);border-bottom:0;gap:55px}.bottom-bar>div{display:grid;gap:2px}.spec-label{font-size:.55rem;color:#9ba3a3;letter-spacing:.12em}.bottom-bar strong{font-size:.68rem}.secondary-button{margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 13px;font-size:.65rem;font-weight:700;color:#586363}
button:focus-visible,.upload-zone:focus-within{outline:3px solid rgba(240,90,40,.35);outline-offset:2px}
@media(max-width:850px){.workspace{grid-template-columns:1fr;height:auto}.sidebar{border-right:0}.stage-panel{min-height:680px}.project-meta span:not(.status-dot){display:none}.stage-toolbar{padding:0 10px}.view-tab{padding:0 9px}.view-tab span{display:none}.stage{padding:20px}.bottom-bar{gap:20px;padding:0 16px}.bottom-bar>div:nth-child(2){display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}