@font-face{font-family:Manrope;src:url('../fonts/manrope-800.ttf') format('truetype');font-style:normal;font-weight:800;font-display:swap}
@font-face{font-family:Manrope;src:url('../fonts/manrope-400.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'DM Mono';src:url('../fonts/dm-mono-400.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}

:root{
  color-scheme:light;
  --paper:#fbf2e2;--cream:#fff5e3;--ink:#142943;--muted:#41536a;--orange:#ff6317;--plum:#713760;--terracotta:#b63e1a;--rule:#849295;
  --line:#d9cdb8;--field:#fffaf0;
  /* the site fonts have no Armenian or Chinese glyphs, and DM Mono has no Cyrillic: system fonts take over per character */
  --sans:Manrope,"Noto Sans Armenian","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  --mono:'DM Mono',ui-monospace,"Cascadia Mono",Consolas,"Noto Sans Armenian","PingFang SC","Microsoft YaHei",monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column}
a{color:inherit;text-underline-offset:4px}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
::selection{background:#edb975;color:var(--ink)}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip-link{position:absolute;top:-100px;left:16px;z-index:20;background:var(--paper);color:var(--ink);padding:10px 16px}
.skip-link:focus{top:10px}
.measure{position:absolute;width:0;height:0;overflow:hidden}

/* header */
.top{display:flex;align-items:center;gap:28px;padding:14px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.wordmark{font-size:22px;font-weight:800;letter-spacing:2px;text-decoration:none}
.title{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;min-width:0}
.title h1{margin:0;font-size:30px;font-weight:800;letter-spacing:-1px;line-height:1;color:var(--plum)}
.title p{margin:0;font-family:var(--mono);font-size:13px;color:var(--muted)}
.top-nav{margin-left:auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.text-button{font-family:var(--mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;background:none;border:0;color:var(--ink);padding:10px 0;cursor:pointer;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:5px}
.text-button:hover{text-decoration-color:currentColor}
select,input[type=number]{font-family:var(--mono);font-size:13px;color:var(--ink);background:var(--field);border:1px solid var(--rule);border-radius:8px;padding:7px 8px;min-height:36px}
.lang select{padding-right:6px}

/* layout */
.app{flex:1;min-height:0;display:grid;grid-template-columns:minmax(330px,400px) 1fr}
.panel{overflow-y:auto;padding:8px 24px 24px;border-right:1px solid var(--line)}
.stage{position:relative;min-height:0;background:var(--cream);overflow:hidden}
#view{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#view.movable{cursor:move}
#view.dragging{cursor:grabbing}

/* control groups */
.group{border-bottom:1px solid var(--line)}
.group summary{display:flex;align-items:center;gap:12px;cursor:pointer;padding:16px 0;font-family:var(--mono);font-size:12px;letter-spacing:1.3px;text-transform:uppercase;color:var(--muted);list-style:none}
.group summary::-webkit-details-marker{display:none}
.group summary::after{content:'+';margin-left:auto;font-size:16px;color:var(--ink)}
.group[open] summary::after{content:'–'}
.group summary .num{color:var(--ink)}
.group summary .rule{flex:1;height:1px;background:var(--line)}
.rows{padding-bottom:14px}
.row{display:grid;grid-template-columns:1fr 92px;gap:4px 10px;align-items:center;margin:0 0 12px}
.row label,.row .label{font-size:14px;min-width:0}
.row .unit{font-family:var(--mono);font-size:11px;color:var(--muted);margin-left:4px}
.row input[type=number]{width:100%;text-align:right}
.row input[type=range]{grid-column:1/-1;width:100%;margin:0;accent-color:var(--orange);height:22px}
.row.select{grid-template-columns:1fr minmax(120px,170px)}
.row.select select{width:100%}
.row.check{grid-template-columns:auto 1fr;justify-content:start}
.row.check input{width:20px;height:20px;accent-color:var(--orange);margin:0}
.row.file{grid-template-columns:1fr}
.row.file .file-note{font-family:var(--mono);font-size:12px;color:var(--muted);margin:0}
.row.file input[type=file]{font-family:var(--mono);font-size:12px;max-width:100%}
.row.file .mask{display:block;max-width:150px;max-height:150px;width:auto;height:auto;border:1px solid var(--rule);border-radius:8px;image-rendering:pixelated}
.row.choice{grid-template-columns:1fr;gap:6px}
.choice-group{display:flex;flex-wrap:wrap;gap:6px}
.opt{flex:1 1 auto;font-family:var(--mono);font-size:12px;line-height:1.2;color:var(--ink);background:var(--field);border:1.5px solid var(--rule);border-radius:100px;padding:8px 14px;min-height:36px;cursor:pointer;transition:background .12s,border-color .12s}
.opt:hover{border-color:var(--ink)}
.opt[aria-pressed=true]{background:var(--orange);border-color:var(--orange)}
.row.gallery{grid-template-columns:1fr}
.gallery-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.pat{display:flex;flex-direction:column;align-items:center;gap:4px;padding:5px 2px 6px;background:var(--field);border:1.5px solid var(--line);border-radius:10px;color:var(--ink);cursor:pointer;font-family:var(--mono);font-size:10px;line-height:1.15;text-align:center;min-width:0;overflow-wrap:anywhere}
.pat canvas{width:44px;height:44px;border-radius:6px;display:block}
.pat:hover{border-color:var(--rule)}
.pat[aria-pressed=true]{border-color:var(--orange);box-shadow:0 0 0 2px var(--orange)}
.row.off{opacity:.45}

/* buttons */
.actions{display:flex;flex-direction:column;gap:10px;padding-top:20px}
.actions-row{display:flex;justify-content:flex-start;gap:0 20px;flex-wrap:wrap}
.action{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:100px;border:0;background:var(--orange);color:var(--ink);font-family:var(--mono);font-size:14px;line-height:1.25;cursor:pointer;transition:background .15s,transform .15s}
.action:hover{background:#ff7a35;transform:translateY(-1px)}
.action.secondary{background:transparent;border:1.5px solid var(--ink)}
.action.secondary:hover{background:var(--cream)}
.action:disabled{opacity:.5;cursor:default;transform:none}
.status{min-height:20px;margin:0;font-family:var(--mono);font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.privacy{font-family:var(--mono);font-size:12px;color:var(--muted);margin:14px 0 0}

/* preview overlays */
.hud{position:absolute;top:14px;left:14px;right:14px;display:flex;gap:8px;flex-wrap:wrap;pointer-events:none}
.chip{pointer-events:auto;font-family:var(--mono);font-size:12px;color:var(--ink);background:var(--paper);border:1px solid var(--rule);border-radius:100px;padding:8px 14px;min-height:36px;cursor:pointer;display:inline-flex;align-items:center;gap:10px}
.chip:hover{background:#fff}
.chip.toggle[aria-pressed=true]{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.chip.push{margin-left:auto}
.chip.icon{font-size:18px;line-height:1;padding:6px 12px;font-family:var(--sans)}
.chip:disabled{opacity:.4;cursor:default}
.chip:disabled:hover{background:var(--paper)}
.measure-label{position:absolute;left:0;top:0;pointer-events:none;font-family:var(--mono);font-size:12px;line-height:1;color:var(--ink);background:var(--paper);border:1px solid var(--ink);border-radius:100px;padding:4px 9px;white-space:nowrap}
.slider-chip{cursor:default}
.slider-chip input{width:110px;accent-color:var(--orange);margin:0}
.hint{flex-basis:100%;margin:2px 2px 0;font-family:var(--mono);font-size:12px;color:var(--muted);pointer-events:none}
.readout{position:absolute;left:14px;right:14px;bottom:12px;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.notice{align-self:flex-start;max-width:560px;background:var(--terracotta);color:var(--cream);font-size:13px;padding:10px 14px;border-radius:10px}
.notice p{margin:0}.notice p+p{margin-top:4px}
.stats{font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:2px 18px}
.stats .big{color:var(--terracotta)}

/* footer and dialogs */
.foot{border-top:1px solid var(--line);padding:10px 24px;font-family:var(--mono);font-size:12px;color:var(--muted)}
.foot p{margin:0}
.foot .version{float:right}
dialog{border:0;border-radius:18px;background:var(--paper);color:var(--ink);padding:28px 30px;max-width:560px;width:calc(100% - 32px);box-shadow:0 20px 60px rgba(20,41,67,.3)}
dialog::backdrop{background:rgba(20,41,67,.45)}
dialog h2{margin:0 0 16px;font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--plum)}
dialog p,dialog li{font-size:15px;line-height:1.55}
dialog .steps{padding-left:22px;margin:0 0 14px}
dialog .steps li{margin-bottom:8px}
dialog .tip{font-family:var(--mono);font-size:13px;color:var(--muted)}
dialog .small{font-family:var(--mono);font-size:12px;color:var(--muted)}
dialog .dialog-actions{margin:20px 0 0}

@media(max-width:860px){
  html,body{height:auto}
  body{display:block}
  .top{padding:12px 16px;gap:12px}
  .title h1{font-size:26px}
  .title p{display:none}
  .top-nav{gap:14px}
  .app{display:block}
  .stage{height:56vh;min-height:330px;border-bottom:1px solid var(--line)}
  .panel{border-right:0;padding:4px 16px 20px;overflow:visible}
  .hint{display:none}
  .slider-chip input{width:80px}
  .stats{font-size:11px}
  .foot{padding:12px 16px}
}
@media(max-width:860px){.app{display:flex;flex-direction:column}.stage{order:-1}}
@media(prefers-reduced-motion:reduce){.action{transition:none}.action:hover{transform:none}}