/* StringifyMe Studio — simplified customer layout, built on the website tokens in site.css.
   Scoped under .studio so the site nav, cart and footer keep their own look. */

.studio-page{background:var(--bg-2)}
.studio{
  display:flex; height:calc(100vh - 92px); height:calc(100dvh - 92px); min-height:640px;
  margin:92px 12px 12px; background:var(--surface); border:1px solid var(--line);
  border-radius:var(--r-lg); overflow:hidden; box-shadow:0 20px 60px rgba(21,18,15,.08);
  font:400 14px/1.5 var(--sans); color:var(--text);
}
.studio *,.studio *::before,.studio *::after{box-sizing:border-box}
.studio button,.studio input,.studio select{font-family:inherit;color:inherit}
.studio input[type=range]{accent-color:var(--text);cursor:pointer;width:100%}
.studio input[type=checkbox]{accent-color:var(--text);width:16px;height:16px;flex:none}
.studio [hidden]{display:none!important}
.studio .compat-hidden{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ================= LEFT PANEL ================= */
.studio #ui{width:420px;flex:0 0 420px;display:flex;flex-direction:column;gap:12px;padding:20px 16px 0;overflow-y:auto;background:#FBFAF8;border-right:1px solid var(--line);scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.studio #ui>*{flex-shrink:0}
.st-head{padding:4px 6px 2px}
.st-head .eyebrow{margin-bottom:10px}
.st-head h1{font:500 2.3rem/1 var(--serif);letter-spacing:-.02em;margin:0}
.st-head h1 em{font-style:italic;color:var(--accent)}

.st-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
.st-step{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}
.st-n{width:28px;height:28px;border-radius:50%;background:var(--text);color:#fff;display:grid;place-items:center;font:600 .8rem var(--sans);flex:none;margin-top:2px}
.st-step h2{margin:0;font:500 1.45rem/1.1 var(--serif)}
.st-step p{margin:3px 0 0;font-size:.78rem;color:var(--text-2)}
.st-step>div{flex:1}
.st-link{border:0;background:none;color:var(--accent);font:600 .75rem var(--sans);cursor:pointer;padding:6px 4px;white-space:nowrap}
.st-link:hover{text-decoration:underline}
.st-label{margin:14px 0 8px;font:600 .68rem var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--text-2)}
.st-note{margin:10px 0 0;font-size:.75rem;line-height:1.55;color:var(--text-2)}
.st-note i{color:var(--accent);margin-right:4px}

/* photo */
.studio .editor-canvas-wrap{position:relative;background:#F3F0EB;border:1px solid var(--line);border-radius:14px;overflow:hidden;aspect-ratio:1/1;width:100%;max-width:360px;margin:0 auto}
.studio .editor-canvas-wrap.drag{outline:2px dashed var(--accent);outline-offset:-8px}
.studio #editor-canvas{width:100%;height:100%;display:block;cursor:grab;touch-action:none}
.studio #editor-canvas:active{cursor:grabbing}
.st-drop{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border:0;background:transparent;cursor:pointer;color:var(--text);padding:20px;text-align:center;z-index:2}
.st-drop-icon{width:58px;height:58px;border-radius:50%;background:var(--text);color:#fff;display:grid;place-items:center;margin-bottom:8px;transition:transform .25s var(--ease)}
.st-drop-icon .icon{width:24px;height:24px}
.st-drop:hover .st-drop-icon{transform:translateY(-3px)}
.st-drop b{font:500 1.5rem var(--serif)}
.st-drop span{font-size:.78rem;color:var(--text-2)}
.st-edit{display:grid;gap:8px;margin-top:14px}
.editor-canvas-wrap:not(.has-photo)~.st-edit{opacity:.45;pointer-events:none}
.st-slider{display:grid;grid-template-columns:60px 1fr 56px;align-items:center;gap:10px;font-size:.78rem;font-weight:600}
.st-slider output{text-align:center;background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:3px 6px;font-size:.72rem}
.st-tools{display:flex;gap:6px;margin-top:4px}
.st-tool{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;border:1px solid var(--line-2);background:#fff;border-radius:999px;font-size:.75rem;font-weight:600;cursor:pointer;transition:border-color .2s}
.st-tool:hover{border-color:var(--text)}
.studio .face-status{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:.72rem;color:var(--text-2)}
.studio .face-loading{display:inline-block;width:12px;height:12px;border:2px solid var(--line-2);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;flex-shrink:0}

/* product choice */
.st-products{display:grid;gap:8px}
.st-product{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 14px;border:1px solid var(--line-2);border-radius:14px;background:#fff;cursor:pointer;transition:border-color .2s,background-color .2s,box-shadow .2s}
.st-product:hover{border-color:var(--text-3)}
.st-product[aria-checked="true"]{border-color:var(--text);background:#FBF7F0;box-shadow:inset 0 0 0 1px var(--text)}
.st-radio{width:18px;height:18px;border-radius:50%;border:2px solid var(--line-2);flex:none;display:grid;place-items:center}
.st-product[aria-checked="true"] .st-radio{border-color:var(--text)}
.st-product[aria-checked="true"] .st-radio::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--text)}
.st-p-text{flex:1;min-width:0}
.st-p-text b{display:block;font-size:.875rem}
.st-p-text small{display:block;font-size:.72rem;color:var(--text-2)}
.st-product em{font:500 1.2rem var(--serif);font-style:normal;white-space:nowrap}

.st-seg{display:flex;gap:6px}
.st-seg button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:44px;padding:6px 8px;border:1px solid var(--line-2);border-radius:12px;background:#fff;cursor:pointer;font-size:.8rem;font-weight:600;transition:.15s}
.st-seg button:not(.st-sizes button){flex-direction:row;gap:8px}
.st-seg button small{font-size:.68rem;font-weight:500;color:var(--text-2)}
.st-seg button:hover{border-color:var(--text-3)}
.st-seg button[aria-checked="true"]{background:var(--text);border-color:var(--text);color:#fff}
.st-seg button[aria-checked="true"] small{color:#E6DFD4}
.st-row2{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.st-field{display:grid;gap:6px;font-size:.72rem;font-weight:600;color:var(--text-2)}
.studio input[type=number],.studio .ui-select,.studio #custom-color-hex{width:100%;min-height:42px;background:#fff;color:var(--text);border:1px solid var(--line-2);border-radius:10px;padding:0 12px;font-size:.875rem;outline:none;transition:border-color .2s,box-shadow .2s}
.studio input[type=number]:focus,.studio .ui-select:focus,.studio #custom-color-hex:focus{border-color:var(--text);box-shadow:0 0 0 3px rgba(21,18,15,.08)}
.studio input[type=color]{width:44px;height:36px;border:1px solid var(--line-2);border-radius:8px;background:#fff;padding:2px;cursor:pointer;flex:none}

/* palette choice */
.st-palettes{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.studio .palette-tab{display:flex;align-items:center;gap:10px;min-height:48px;padding:8px 12px;border:1px solid var(--line-2);border-radius:12px;background:#fff;cursor:pointer;font-size:.8rem;font-weight:600;text-align:left;transition:.15s}
.studio .palette-tab:hover{border-color:var(--text-3)}
.studio .palette-tab.active{border-color:var(--text);background:#FBF7F0;box-shadow:inset 0 0 0 1px var(--text)}
.studio .palette-tab.st-wide{grid-column:1/-1}
.sw{width:24px;height:24px;border-radius:50%;flex:none;box-shadow:inset 0 0 0 1px rgba(21,18,15,.15)}
.sw-photo{display:grid;place-items:center;background:var(--bg-2);color:var(--accent);font-size:.75rem}
.st-panel{margin-top:12px;padding:12px 14px;border-radius:12px;background:var(--bg-2)}
.st-panel>p{margin:0;font-size:.78rem;line-height:1.55;color:var(--text-2)}
.st-panel .st-slider{margin-bottom:8px}
.st-panel .st-label:first-child{margin-top:0}
.st-presets{display:grid;grid-template-columns:repeat(8,1fr);gap:8px 6px}
.st-preset{display:flex;flex-direction:column;align-items:center;gap:3px;border:0;background:none;padding:0;cursor:pointer}
.st-preset span{width:30px;height:30px;border-radius:50%;background:var(--c);box-shadow:inset 0 0 0 1px rgba(21,18,15,.18);position:relative;transition:transform .15s}
.st-preset small{font-size:.6rem;color:var(--text-2)}
.st-preset:hover span{transform:scale(1.08)}
.st-preset[aria-pressed="true"] span{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--text)}
.st-preset[aria-pressed="true"] span::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4L18 8' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/60% no-repeat;filter:drop-shadow(0 0 1px rgba(0,0,0,.8))}
.st-anycolour{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:.75rem;font-weight:600;color:var(--text-2)}
.st-anycolour span{flex:1}
.studio #custom-color-hex{width:92px;min-height:36px;padding:0 8px}
.studio #custom-color-list{display:flex;flex-wrap:wrap;gap:6px}
.studio .custom-color-chip{display:flex;align-items:center;gap:6px;padding:5px 10px 5px 6px;background:#fff;border:1px solid var(--line-2);border-radius:999px;cursor:pointer;font-size:.72rem;font-weight:600}
.studio .custom-color-chip:hover{border-color:var(--danger);color:var(--danger)}
.studio .custom-color-chip span{width:18px;height:18px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(21,18,15,.2)}
.studio .picker-actions{display:flex;gap:8px;margin:10px 0}
.studio .picked-colors-row{display:flex;flex-wrap:wrap;gap:8px;min-height:46px;padding:8px;background:#fff;border:1px dashed var(--line-2);border-radius:12px;align-items:center}
.studio .picked-colors-row:empty::after{content:'No colours picked yet';color:var(--text-3);font-size:.72rem;padding:4px}
.studio .picked-swatch{width:32px;height:32px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line-2);position:relative;cursor:pointer;flex-shrink:0}
.studio .picked-swatch:hover .swatch-remove{opacity:1}
.studio .swatch-remove{position:absolute;top:-6px;right:-6px;width:18px;height:18px;border-radius:50%;background:var(--danger);color:#fff;font-size:9px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}
.studio .picker-count-hint{font-size:.72rem;color:var(--accent);margin:6px 0 0}
.studio .anchor-swatches{display:flex;gap:6px;align-items:center}
.studio .anchor-label{font-size:.68rem;color:var(--text-2)}
.studio .anchor-swatch{width:20px;height:20px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(21,18,15,.2)}
.studio .anchor-swatch[data-color="black"]{background:#000}.studio .anchor-swatch[data-color="white"]{background:#fff}
.studio .picker-canvas-wrap{position:absolute;inset:0;cursor:crosshair;z-index:10}
.studio #picker-canvas{display:block;width:100%;height:100%}
.studio .picker-magnifier{position:fixed;width:90px;height:90px;border-radius:50%;border:3px solid #fff;box-shadow:0 6px 24px rgba(21,18,15,.35);overflow:hidden;pointer-events:none;z-index:1001;display:none}
.studio #magnifier-canvas{width:90px;height:90px;display:block;image-rendering:pixelated}
.studio .magnifier-color-label{position:absolute;bottom:0;left:0;right:0;background:rgba(21,18,15,.8);color:#fff;font-size:9px;text-align:center;padding:2px 0;font-family:monospace}
.studio .picker-crosshair{position:fixed;width:20px;height:20px;pointer-events:none;z-index:1002;display:none;transform:translate(-50%,-50%)}
.studio .picker-crosshair::before,.studio .picker-crosshair::after{content:'';position:absolute;background:#fff;box-shadow:0 0 2px rgba(0,0,0,.8)}
.studio .picker-crosshair::before{width:2px;height:100%;left:50%;top:0;transform:translateX(-50%)}
.studio .picker-crosshair::after{height:2px;width:100%;top:50%;left:0;transform:translateY(-50%)}

/* fine-tune */
.st-fine>summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.875rem}
.st-fine>summary::-webkit-details-marker{display:none}
.st-fine>summary i{color:var(--accent);margin-right:6px}
.st-fine>summary small{font-weight:500;color:var(--text-3)}
.st-fine>summary::after{content:"+";font:400 1.5rem/1 var(--serif);color:var(--accent);transition:transform .3s}
.st-fine[open]>summary::after{transform:rotate(45deg)}
.st-fine-body h3{margin:18px 0 4px;font:600 .68rem var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--text-2)}
.st-fine-body>label:not(.st-check):not(.st-inline){display:flex;justify-content:space-between;font-size:.78rem;font-weight:600;margin:10px 0 4px}
.st-fine-body>label span{color:var(--accent)}
.st-inline{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:12px 0 4px;font-size:.78rem;font-weight:600}
.st-check{display:flex;align-items:center;gap:8px;margin:10px 0 0;font-size:.78rem}
.st-manual{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.st-manual>summary{cursor:pointer;font-size:.78rem;font-weight:600}

/* sticky generate */
.st-go{position:sticky;bottom:0;margin:0 -16px;padding:14px 16px 16px;background:linear-gradient(rgba(251,250,248,0),#FBFAF8 22%);z-index:5}
.studio .action-row{display:flex;gap:8px}
.studio .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line-2);background:#fff;color:var(--text);font:600 .72rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:background-color .2s,border-color .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.studio .btn:hover{border-color:var(--text);transform:translateY(-1px)}
.studio .btn-primary{background:var(--text);border-color:var(--text);color:#fff}
.studio .btn-primary:hover{background:#2B2621;box-shadow:0 10px 24px rgba(21,18,15,.2)}
.studio .btn-sm{min-height:36px;padding:0 14px;font-size:.66rem}
.studio .btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.studio .btn-accent.picking{background:#FFF7E6;color:var(--accent);animation:pulse-pick 1s ease-in-out infinite}
@keyframes pulse-pick{50%{box-shadow:0 0 0 6px rgba(224,32,122,.12)}}
.studio .btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.studio .btn-wide{flex:1}
.st-go #regenerate{min-height:54px;font-size:.78rem}
.st-go #emergency_stop:disabled{display:none}
.st-go-note{margin:8px 0 0;text-align:center;font-size:.72rem;color:var(--text-2)}

/* splitter */
.studio .splitter{width:6px;flex:0 0 6px;cursor:col-resize;position:relative}
.studio .splitter::after{content:"";position:absolute;left:2px;top:50%;width:2px;height:40px;margin-top:-20px;border-radius:2px;background:var(--line-2)}
.studio .splitter:hover::after{background:var(--accent)}

/* ================= RIGHT PANEL ================= */
.studio #main-content{flex:1;min-width:0;position:relative;display:flex;flex-direction:column;background:#fff}
.st-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px;padding:10px 14px;border-bottom:1px solid var(--line);background:#fff;z-index:10}
.st-tb-group{display:flex;align-items:center;flex-wrap:wrap;gap:6px}
.st-tb-tools{margin-left:auto}
.st-tb-label{font:600 .64rem var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--text-2);margin-right:2px}
.studio .bg-btn,.studio .panel-dl-btn,.studio .sim-toggle-btn{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 13px;border-radius:999px;border:1px solid var(--line-2);background:#fff;color:var(--text);cursor:pointer;font-size:.75rem;font-weight:600;transition:.15s;white-space:nowrap}
.studio .bg-btn:hover,.studio .panel-dl-btn:hover:not(:disabled),.studio .sim-toggle-btn:hover:not(:disabled){border-color:var(--text)}
.studio .bg-btn.active{background:var(--text);border-color:var(--text);color:#fff}
.studio .sim-toggle-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.studio .panel-dl-btn:disabled,.studio .sim-toggle-btn:disabled{opacity:.4;cursor:not-allowed}
.studio .bg-color-wrap{position:relative;display:flex}
.studio #bg-color-input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;border:0;padding:0}
.studio .is-locked{color:var(--text-2)!important}
.studio .is-locked i{display:none}
.studio .is-locked::before{content:"";width:12px;height:12px;flex:none;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='5' y='11' width='14' height='9' rx='2' fill='none' stroke='black' stroke-width='2'/%3E%3Cpath d='M8 11V8a4 4 0 018 0v3' fill='none' stroke='black' stroke-width='2'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='5' y='11' width='14' height='9' rx='2' fill='none' stroke='black' stroke-width='2'/%3E%3Cpath d='M8 11V8a4 4 0 018 0v3' fill='none' stroke='black' stroke-width='2'/%3E%3C/svg%3E") center/contain no-repeat}
.st-cta{min-height:40px!important;padding:0 18px!important}
.st-cta .icon{width:16px;height:16px}
.st-cta.is-done{background:#EAF6EF!important;border-color:#BFE3CD!important;color:#1E7F4F!important;opacity:1!important;cursor:default!important}

.studio .dual-panel{flex:1 1 0;min-height:0;display:flex;overflow:hidden;position:relative}
.studio .art-panel{flex:1 1 0;min-width:0;display:flex;flex-direction:column;position:relative}
.studio .art-panel.hidden{display:none!important}
.studio .svg-container{position:relative;flex:1 1 0;min-height:0;overflow:hidden;background:#fff}
.studio #svg-container svg,.studio #svg-container-chunked svg{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;display:block!important}
.studio .usage-legend{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:.72rem;line-height:1.6;pointer-events:none;max-width:220px;z-index:15;box-shadow:0 8px 24px rgba(21,18,15,.08)}
.studio .usage-legend:empty{display:none}
.studio .usage-legend .row{display:flex;align-items:center;gap:10px;justify-content:space-between}
.studio .usage-legend .dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:6px;box-shadow:inset 0 0 0 1px rgba(21,18,15,.15)}
.studio .zoom-controls{position:absolute;right:14px;bottom:14px;display:flex;flex-direction:column;gap:8px;z-index:30}
.studio .zoom-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.95);color:var(--text);border:1px solid var(--line-2);border-radius:50%;cursor:pointer;box-shadow:0 6px 16px rgba(21,18,15,.1)}
.studio .zoom-btn:hover{border-color:var(--text)}

/* empty preview */
.st-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;background:radial-gradient(circle at 50% 42%,#FBFAF7,#fff 60%)}
.st-empty-ring{width:min(46%,300px);aspect-ratio:1;border-radius:50%;margin-bottom:26px;background:
  repeating-conic-gradient(from 0deg,rgba(21,18,15,.10) 0 1deg,transparent 1deg 7.2deg);
  -webkit-mask:radial-gradient(circle,transparent 60%,#000 61%,#000 63%,transparent 64%),radial-gradient(circle,#000 0 1px,transparent 0);
  box-shadow:inset 0 0 0 2px rgba(21,18,15,.12);position:relative}
.st-empty-ring::after{content:"";position:absolute;inset:18%;border-radius:50%;background:repeating-linear-gradient(35deg,rgba(224,32,122,.14) 0 1px,transparent 1px 11px),repeating-linear-gradient(-55deg,rgba(21,18,15,.08) 0 1px,transparent 1px 13px)}
.st-empty h2{margin:0 0 12px;font:500 1.9rem var(--serif)}
.st-empty ol{margin:0;padding:0;list-style:none;counter-reset:s;display:grid;gap:6px;font-size:.84rem;color:var(--text-2);text-align:left}
.st-empty li{counter-increment:s;display:flex;gap:10px;align-items:baseline}
.st-empty li::before{content:counter(s);font:italic 500 1.1rem var(--serif);color:var(--accent);min-width:14px}

.st-stale{position:absolute;left:50%;top:14px;transform:translateX(-50%);z-index:20;background:#FFF7E6;border:1px solid #F1D39B;color:#7A4A05;border-radius:999px;padding:8px 14px;font-size:.75rem;white-space:nowrap;box-shadow:0 8px 20px rgba(21,18,15,.08)}
.st-toast{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:60;display:flex;align-items:center;gap:12px;max-width:min(560px,calc(100% - 32px));background:var(--text);color:#fff;border-radius:16px;padding:12px 12px 12px 18px;font-size:.8125rem;line-height:1.45;box-shadow:0 20px 50px rgba(21,18,15,.3);animation:toastin .3s var(--ease-out)}
.st-toast.error{background:#7A1C12}
@keyframes toastin{from{opacity:0;transform:translate(-50%,10px)}}
.st-toast span{flex:1}
.studio .st-toast-btn{background:#fff;color:var(--text);border:0;border-radius:999px;padding:9px 14px;font:600 .7rem var(--sans);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;white-space:nowrap}
.studio .st-toast-x{background:none;border:0;color:#fff;opacity:.7;font-size:1.2rem;cursor:pointer;width:28px;height:28px}

/* animator */
.studio .panel-sim-layer{flex:1 1 0;min-height:0;display:flex;flex-direction:column;overflow:hidden}
.studio .simulate-canvas-wrap{flex:1 1 0;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none}
.studio #simulate-canvas-chunk{max-width:100%;max-height:100%;display:block}
.studio .simulate-controls-bar{flex:0 0 auto;background:#fff;border-top:1px solid var(--line);padding:8px 14px 10px;display:flex;flex-direction:column;gap:6px}
.studio .sim-info-row{display:flex;align-items:center;gap:10px}
.studio .sim-step-label{font-size:.75rem;font-weight:600;font-variant-numeric:tabular-nums}
.studio .sim-chunk-label{font-size:.72rem;color:var(--text-2);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.studio .simulate-controls{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.studio .sim-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid var(--line-2);background:#fff;cursor:pointer;font-size:11px}
.studio .sim-btn:hover:not(:disabled){border-color:var(--text)}
.studio .sim-btn:disabled{opacity:.3;cursor:default}
.studio .sim-btn-play{width:42px;height:42px;background:var(--text);border-color:var(--text);color:#fff}
.studio .sim-btn-play.playing{background:var(--accent);border-color:var(--accent)}
.studio .sim-speed-wrap{display:flex;align-items:center;gap:6px;margin-left:8px;color:var(--text-2);font-size:.72rem}
.studio .sim-speed-select{background:#fff;border:1px solid var(--line-2);border-radius:999px;padding:4px 8px;font-size:.72rem;cursor:pointer}
.studio .sim-progress-bar-wrap{height:4px;background:var(--bg-2);border-radius:4px;overflow:hidden;cursor:pointer}
.studio .sim-progress-bar{height:100%;width:0;background:var(--accent);transition:width .08s linear}
.studio .sim-nail-dot{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 0 0 3px rgba(224,32,122,.25);pointer-events:none;transform:translate(-50%,-50%);z-index:10}

/* 3D dialog (created by thread-3d.js) */
.thread-3d-dialog{width:94vw;height:90vh;max-width:none;max-height:none;padding:18px;background:#fff;color:var(--text);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 40px 100px rgba(21,18,15,.3);font-family:var(--sans)}
.thread-3d-dialog[open]{display:flex;flex-direction:column}
.thread-3d-dialog::backdrop{background:rgba(21,18,15,.5);backdrop-filter:blur(4px)}
.thread-3d-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.thread-3d-toolbar strong{margin-right:auto;font:500 1.5rem var(--serif)}
.thread-3d-toolbar button{min-height:36px;padding:0 14px;background:#fff;color:var(--text);border:1px solid var(--line-2);border-radius:999px;cursor:pointer;font:600 .72rem var(--sans)}
.thread-3d-toolbar button:hover{border-color:var(--text)}
.thread-3d-toolbar #thread-3d-close{background:var(--text);color:#fff;border-color:var(--text)}
.thread-3d-toolbar label{display:flex;align-items:center;gap:8px;font-size:.75rem;color:var(--text-2)}
.thread-3d-dialog p{font-size:.75rem;color:var(--text-2)}
.thread-3d-stage{flex:1;min-height:0;position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.thread-3d-stage canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#thread-3d-error{position:absolute;left:16px;top:16px;color:var(--danger);background:#fff;border-radius:8px;padding:0 8px}

.navlinks a[aria-current="page"]{color:var(--text);background:var(--bg-2)}

/* ================= smaller screens ================= */
@media(max-width:1180px){.studio #ui{width:360px;flex-basis:360px}.st-presets{grid-template-columns:repeat(6,1fr)}}
@media(max-width:900px){
  .studio{flex-direction:column;height:auto;min-height:0;margin:86px 8px 8px}
  .studio #ui{width:100%!important;flex-basis:auto!important;overflow:visible;border-right:0;border-bottom:1px solid var(--line);padding-bottom:0}
  .studio .splitter{display:none}
  .studio #main-content{height:auto}
  .studio .dual-panel{flex:none;height:min(100vw,78svh);min-height:340px}
  .st-tb-tools{margin-left:0}
  .st-toolbar .st-cta{width:100%}
  .st-presets{grid-template-columns:repeat(8,1fr)}
}
@media(max-width:480px){.st-presets{grid-template-columns:repeat(6,1fr)}.st-palettes{grid-template-columns:1fr}.st-stale{white-space:normal;width:calc(100% - 28px);text-align:center}}

/* ---- round 3: simpler photo step + custom colours picked from the photo ---- */
.st-step>div{min-width:0}
#st-photo-hint{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.st-palettes{grid-template-columns:1fr 1fr}
.studio .palette-tab{align-items:center;min-height:62px}
.studio .palette-tab b{display:block;font-size:.84rem}
.studio .palette-tab small{display:block;font-size:.68rem;font-weight:500;color:var(--text-2);line-height:1.3}
.sw{width:30px;height:30px}
.st-pick{position:relative;width:100%;max-width:320px;margin:0 auto;aspect-ratio:1;border-radius:14px;background:#F3F0EB;border:1px solid var(--line);overflow:hidden}
#st-pick-canvas{display:block;width:100%;height:100%;cursor:crosshair;touch-action:none}
.st-pick-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:8px;padding:20px;text-align:center;font-size:.8rem;color:var(--text-2)}
.st-pick-empty i{color:var(--accent)}
.st-lens{position:absolute;pointer-events:none;transform:translate(-50%,calc(-100% - 14px));display:flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:4px 10px 4px 4px;box-shadow:0 8px 22px rgba(21,18,15,.2);font-size:.7rem;white-space:nowrap;z-index:3}
.st-lens span{width:26px;height:26px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(21,18,15,.2)}
.st-lens b{font-weight:600;font-family:ui-monospace,Menlo,monospace;text-transform:uppercase}
.st-pick-hint{margin:10px 0 0;text-align:center;font-size:.78rem;font-weight:600}
.st-pick-hint i{color:var(--accent);margin-right:4px}
.st-mine{margin-top:12px;padding-top:12px;border-top:1px solid var(--line-2)}
.st-mine .st-label{margin:0 0 8px;display:flex;justify-content:space-between}
.st-mine .st-label span{letter-spacing:0;text-transform:none;font-weight:600;color:var(--text-3)}
.st-none{font-size:.75rem;color:var(--text-3)}
.studio .custom-color-chip.st-new{animation:chipin .5s var(--ease-out)}
@keyframes chipin{from{transform:scale(.6);opacity:0}}
.st-quick{margin-top:12px}
.st-quick>summary{cursor:pointer;font-size:.78rem;font-weight:600;color:var(--accent);list-style:none}
.st-quick>summary::-webkit-details-marker{display:none}
.st-quick>summary::before{content:"+ "}
.st-quick[open]>summary::before{content:"− "}
.st-quick .st-presets{margin-top:10px}

/* ---- round 4: start screen, summary line, picking on the main photo ---- */
.st-choice{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:#fff;cursor:pointer;transition:border-color .2s,box-shadow .2s}
.st-choice:hover{border-color:var(--text);box-shadow:0 6px 18px rgba(21,18,15,.06)}
.st-choice-ic{width:34px;height:34px;border-radius:50%;background:#FBF7F0;color:var(--accent);display:grid;place-items:center;flex:none}
.st-choice-txt{flex:1;min-width:0}
.st-choice-txt small{display:block;font:600 .62rem var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--text-3)}
.st-choice-txt b{display:block;font-size:.84rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.st-choice-edit{font:600 .72rem var(--sans);color:var(--accent);text-decoration:underline;text-underline-offset:3px}

.st-modal{position:fixed;inset:0;z-index:200;background:rgba(21,18,15,.45);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:16px;overflow-y:auto}
.st-modal[hidden]{display:none!important}
.st-modal-card{width:min(560px,100%);max-height:calc(100dvh - 32px);overflow-y:auto;background:#fff;border-radius:var(--r-lg);padding:28px 26px 24px;box-shadow:0 40px 100px rgba(21,18,15,.3);animation:st-pop .35s var(--ease-out);color:var(--text);font:400 14px/1.5 var(--sans)}
.st-modal-card h2{font:500 2.3rem/1 var(--serif);margin:12px 0 8px;letter-spacing:-.01em}
.st-modal-sub{margin:0 0 18px;color:var(--text-2);font-size:.84rem}
.st-modal-card .st-product{padding:14px 16px}
.st-modal-card .st-p-text b{font-size:.95rem}
.st-modal-card input[type=number]{width:100%;min-height:44px;background:#fff;color:var(--text);border:1px solid var(--line-2);border-radius:10px;padding:0 12px;font:inherit;outline:none}
.st-modal-card input[type=number]:focus{border-color:var(--text);box-shadow:0 0 0 3px rgba(21,18,15,.08)}
.st-modal-card button{font-family:inherit;color:inherit}
.st-start-go{width:100%;margin-top:22px;min-height:52px!important}
.st-modal-card .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font:600 .8rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;cursor:pointer;border:1px solid var(--text)}
.st-modal-card .btn-primary{background:var(--text);color:#fff}
.st-modal-card .btn-primary:hover{background:#2B2621}

/* picking mode: the photo card stays pinned while you scroll to your threads */
.studio .editor-canvas-wrap.picking #editor-canvas{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 24 24'%3E%3Cpath d='M20.6 3.4a2.6 2.6 0 0 0-3.7 0l-2.5 2.5-1.2-1.2-1.6 1.6 1.2 1.2-8 8a2 2 0 0 0-.6 1.4v1.4L2.7 19.8l1.5 1.5 1.5-1.5h1.4a2 2 0 0 0 1.4-.6l8-8 1.2 1.2 1.6-1.6-1.2-1.2 2.5-2.5a2.6 2.6 0 0 0 0-3.7z' fill='%23fff' stroke='%2315120F' stroke-width='1.4' stroke-linejoin='round'/%3E%3Cpath d='M6.2 16.4l7.2-7.2' stroke='%2315120F' stroke-width='1.2'/%3E%3C/svg%3E") 3 25, crosshair}
.st-picking-bar{position:absolute;left:8px;right:8px;bottom:8px;z-index:4;display:flex;align-items:center;gap:8px;padding:6px 6px 6px 12px;border-radius:999px;background:rgba(21,18,15,.88);color:#fff;font-size:.72rem;font-weight:600}
.st-picking-bar span{flex:1}
.st-picking-bar i{color:#E6B566}
.studio .st-picking-bar button{border:0;background:#fff;color:var(--text);border-radius:999px;padding:6px 12px;font:600 .66rem var(--sans);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.studio .editor-canvas-wrap .st-lens{position:absolute}
.st-pick-btn{width:100%}
.studio .btn.st-pick-btn:not(.btn-primary){border-color:var(--accent);color:var(--accent)}
.st-mine{margin-top:14px}

/* ---- round 6: tools above the photo, colour code entry ---- */
.st-tools-top{max-width:360px;margin:0 auto 10px}
.st-photo:not(.has-photo) .st-tools-top{opacity:.45;pointer-events:none}
.st-code{display:flex;gap:8px;align-items:center;margin-top:10px}
.st-code input[type=text]{flex:1;min-width:0;min-height:40px;background:#fff;color:var(--text);border:1px solid var(--line-2);border-radius:10px;padding:0 12px;font:500 .85rem var(--sans);letter-spacing:.04em;outline:none;transition:border-color .2s,box-shadow .2s}
.st-code input[type=text]:focus{border-color:var(--text);box-shadow:0 0 0 3px rgba(224,32,122,.15)}
.st-code input[type=text].bad{border-color:#B42318;box-shadow:0 0 0 3px rgba(180,35,24,.12)}
.st-code input[type=color]{width:40px;height:40px;border-radius:10px}
.st-code .btn{min-height:40px;padding:0 14px}

/* ---- round 7: close button, calm focus, simple colour picking ---- */
.st-modal-card{position:relative}
.st-modal-card:focus{outline:none}
.studio .st-modal-x{position:absolute;top:14px;right:14px;width:40px;height:40px;display:grid;place-items:center;border:0;border-radius:50%;background:transparent;color:var(--text-2);cursor:pointer;transition:background-color .2s,color .2s}
.studio .st-modal-x:hover{background:var(--bg-2,#F3F0EB);color:var(--text)}
.st-modal-x svg{width:20px;height:20px}
.st-label small{font-weight:500;letter-spacing:.02em;text-transform:none;color:var(--text-3,#8a8178);margin-left:6px}
.st-suggest{display:flex;flex-wrap:wrap;gap:8px;align-items:center;min-height:34px}
.st-sw{width:32px;height:32px;border-radius:50%;border:0;padding:0;cursor:pointer;background:var(--c);box-shadow:inset 0 0 0 1px rgba(21,18,15,.18);position:relative;transition:transform .15s}
.st-sw:hover{transform:scale(1.1)}
.st-sw[aria-pressed="true"]{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--text)}
.st-sw[aria-pressed="true"]::after{content:"";position:absolute;inset:0;border-radius:50%;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4L18 8' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/60% no-repeat;filter:drop-shadow(0 0 1px rgba(0,0,0,.7))}
.st-suggest-note{font-size:.72rem;color:var(--text-2);margin-left:4px}
.st-eyedrop{width:40px;height:40px;flex:none;display:grid;place-items:center;border:1px solid var(--line-2);border-radius:10px;background:#fff;color:var(--text);cursor:pointer;transition:border-color .2s,background-color .2s}
.st-eyedrop:hover{border-color:var(--text)}
.st-eyedrop[aria-pressed="true"]{background:var(--text);border-color:var(--text);color:#fff}
.studio .editor-canvas-wrap.picking{outline:2px solid var(--text);outline-offset:2px}
/* the dropper cursor points down-left, so the colour label sits below-right of it */
.studio .editor-canvas-wrap.picking .st-lens{transform:translate(16px,8px)}

/* ---- Downloads menu: keeps the toolbar (and the Add / Unlock button) on one row ---- */
.st-dl{position:relative}
.st-dl-caret{font-size:.6rem;margin-left:2px;transition:transform .2s}
.st-dl-toggle[aria-expanded="true"] .st-dl-caret{transform:rotate(180deg)}
.st-dl-menu{position:absolute;top:calc(100% + 8px);left:0;z-index:60;width:280px;padding:6px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 50px rgba(21,18,15,.16);display:grid;gap:2px}
.st-dl-menu[hidden]{display:none}
.studio .st-dl-item{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;padding:8px 12px;border:0;border-radius:12px;background:#fff;text-align:left;white-space:normal}
.studio .st-dl-item:hover:not(:disabled){background:var(--bg-2);border-color:transparent}
.st-dl-item i{width:18px;text-align:center;color:var(--accent);font-size:.9rem}
.st-dl-item span{display:grid;gap:1px}
.st-dl-item b{font-size:.8rem}
.st-dl-item small{font-size:.68rem;font-weight:500;color:var(--text-2)}
.studio .st-dl-item.is-locked::before{width:18px;height:14px}
@media(min-width:1024px){.st-toolbar{flex-wrap:nowrap}.st-tb-group{flex-wrap:nowrap}}
@media(min-width:1024px) and (max-width:1320px){.st-tb-label{display:none}}

/* ---- picture-only previews (before buying) ---- */
.st-pv .st-pv-note{font-size:.78rem;color:var(--text-2);margin-right:8px}
.st-pv .st-pv-close{min-height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--text);background:var(--text);color:#fff;font:600 .72rem var(--sans);letter-spacing:.1em;text-transform:uppercase;cursor:pointer}
.st-pv-stage{position:relative;flex:1;min-height:0;margin-top:12px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:radial-gradient(circle at 50% 45%,#FBFAF7,#EFEBE4 80%)}
.st-pv-stage canvas{display:block;width:100%;height:100%;cursor:grab}
.st-pv-wait{position:absolute;inset:0;display:grid;place-items:center;margin:0;color:var(--text-2)}
.st-anim{position:absolute;inset:0;display:flex;flex-direction:column}
.st-anim-pic{flex:1;min-height:0;display:grid;place-items:center;padding:16px}
.st-anim-pic img{max-width:100%;max-height:100%;aspect-ratio:1/1;border-radius:50%;box-shadow:0 20px 50px rgba(21,18,15,.12);background:#fff}
.st-anim-bar{display:flex;align-items:center;gap:14px;padding:12px 16px;border-top:1px solid var(--line);background:#fff}
.st-anim-bar input{flex:1;accent-color:var(--text)}
.st-anim-play{width:42px;height:42px;border-radius:50%;border:0;background:var(--text);color:#fff;font-size:.8rem;cursor:pointer;flex:none}
.st-anim-info{display:flex;align-items:center;gap:8px;min-width:230px;font-size:.8rem;font-weight:600;font-variant-numeric:tabular-nums}
.st-anim-info i{width:12px;height:12px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.2)}
@media(max-width:700px){.st-pv .st-pv-note{display:none}.st-anim-info{min-width:0}}
.st-anim-pic.sq img{border-radius:12px}
.st-pv-tools{display:flex;align-items:center;gap:10px;margin-right:8px}
.st-pv-explode{display:flex;align-items:center;gap:8px;font-size:.75rem;font-weight:600;color:var(--text-2)}
.st-pv-explode input{width:130px;accent-color:var(--text)}
.studio .st-pv-btn,.st-pv .st-pv-btn{min-height:38px;padding:0 14px;border-radius:999px;border:1px solid var(--line-2);background:#fff;color:var(--text);font:600 .72rem var(--sans);cursor:pointer}
.st-pv .st-pv-btn:hover{border-color:var(--text)}
@media(max-width:700px){.st-pv-explode input{width:80px}}