/* Mosaic Atlas — calm paper design system */
:root{
  --paper:#FEFBF6; --ink:#1A1A1A; --ink-soft:#5b5751;
  --line:rgba(26,26,26,.08); --line-strong:rgba(26,26,26,.16);
  --tile:#FFFEFB; --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Consolas,"SF Mono",monospace;
  --shadow:0 2px 8px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 14px/1.5 var(--sans);display:flex;flex-direction:column;overflow:hidden;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit}
a{color:var(--ink);text-underline-offset:3px}

/* header */
.topbar{display:flex;align-items:center;gap:16px;padding:10px 16px;border-bottom:1px solid var(--line);background:rgba(254,251,246,.92);backdrop-filter:blur(6px);z-index:20;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.mark{width:30px;height:30px;flex:none}
.brand-text{display:flex;flex-direction:column}
.brand-name{font:500 21px/1.1 var(--serif);letter-spacing:.2px}
.tagline{font-size:12px;color:var(--ink-soft)}
.controls{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap}
.search input{width:84px;padding:6px 10px;border:1px solid var(--line-strong);border-radius:999px;background:var(--tile);font:400 13px var(--sans);outline:none}
.search input:focus{border-color:var(--ink)}
.btn{padding:6px 14px;border:1px solid var(--line-strong);border-radius:999px;background:var(--tile);cursor:pointer;transition:background .2s ease,border-color .2s ease;white-space:nowrap}
.btn:hover{border-color:var(--ink);background:#fff}
.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.primary:hover{background:#000}
.btn.round{width:34px;height:34px;padding:0;font-size:17px;line-height:1}
.btn.icon{border:none;background:none;font-size:13px;padding:4px 8px;color:var(--ink-soft)}
.btn.icon:hover{color:var(--ink)}
.stats{margin:0 0 0 4px;font-size:12.5px;color:var(--ink-soft);white-space:nowrap}

/* stage + canvases */
#stage{position:relative;flex:1;min-height:0}
#bg,#grid{position:absolute;inset:0;width:100%;height:100%;display:block}
#grid{cursor:grab;touch-action:none;outline:none}
#grid.dragging{cursor:grabbing}
#grid.claim{cursor:crosshair}
.tooltip{position:absolute;pointer-events:none;background:var(--tile);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px;padding:7px 10px;font-size:12.5px;max-width:280px;z-index:10;transition:opacity .12s ease}
.popover{position:absolute;background:var(--tile);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:12px 14px;font-size:12.5px;max-width:290px;z-index:12}
.popover h3{margin:0 0 4px;font:500 14px var(--serif)}
.popover p{margin:2px 0;color:var(--ink-soft)}
.popover .row{display:flex;gap:8px;margin-top:8px}
.popover a.visit{display:inline-block;margin-top:6px;font-size:12.5px}
.popover .btn{font-size:12px;padding:4px 10px}
.popover .report-opts{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.feed{position:absolute;left:14px;bottom:46px;margin:0;max-width:min(430px,55%);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font:400 12.5px/1.4 var(--sans);color:var(--ink-soft);font-style:italic;background:rgba(254,251,246,.72);border-radius:8px;padding:4px 8px;transition:opacity .6s ease;z-index:5;pointer-events:none}
.hint{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);margin:0;font-size:12px;color:var(--ink-soft);background:rgba(254,251,246,.78);padding:5px 12px;border-radius:999px;z-index:5;pointer-events:none;transition:opacity .4s ease}
.zoomctl{position:absolute;right:14px;bottom:12px;display:flex;flex-direction:column;gap:6px;z-index:6}
.zoomctl .btn{background:rgba(254,251,246,.92)}

/* footer */
.footer{border-top:1px solid var(--line);padding:8px 16px;text-align:center;font-size:12.5px;color:var(--ink-soft);background:rgba(254,251,246,.92);z-index:20}
.footer p{margin:0}
.footer .dot{margin:0 8px;opacity:.5}
.mono{font-family:var(--mono);font-size:12px}

/* toasts */
#toasts{position:fixed;left:50%;bottom:56px;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:60;align-items:center;pointer-events:none}
.toast{background:var(--ink);color:#fff;border-radius:999px;padding:8px 16px;font-size:13px;box-shadow:var(--shadow);animation:toast-in .2s ease}
@keyframes toast-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* modals */
.modal{position:fixed;inset:0;background:rgba(26,26,26,.28);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px;overflow:auto}
.modal-card{background:var(--paper);border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.18);padding:18px 20px;width:416px;max-width:100%;max-height:94vh;overflow:auto}
.modal-card.narrow{width:380px}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:10px}
.modal-head h2{margin:0;font:500 18px/1.3 var(--serif)}

/* editor */
.size-toggle{display:flex;gap:6px;margin-bottom:10px}
.pill{flex:1;padding:7px 10px;border:1px solid var(--line-strong);border-radius:999px;background:var(--tile);font-size:12px;cursor:pointer;transition:all .2s ease}
.pill.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.tools{display:flex;align-items:center;gap:4px;margin-bottom:8px}
.tool{width:32px;height:32px;border:1px solid transparent;border-radius:8px;background:none;cursor:pointer;font-size:15px;line-height:1;transition:all .15s ease}
.tool:hover{background:rgba(26,26,26,.05)}
.tool.active{border-color:var(--ink);background:var(--tile)}
.tool:disabled{opacity:.3;cursor:default}
.tool-gap{flex:1}
#editor-canvas{display:block;width:384px;height:384px;max-width:100%;margin:0 auto;border:1px solid var(--line-strong);border-radius:8px;background:var(--tile);cursor:crosshair;touch-action:none;image-rendering:pixelated}
.palette{display:grid;grid-template-columns:repeat(12,1fr);gap:4px;margin-top:12px}
.swatch{aspect-ratio:1;border-radius:6px;border:2px solid transparent;cursor:pointer;padding:0;transition:border-color .15s ease}
.swatch.active{border-color:var(--ink)}
.palette-label{margin:6px 0 0;color:var(--ink-soft)}
.field{display:flex;flex-direction:column;gap:4px;margin-top:12px;font-size:13px}
.field em{color:var(--ink-soft);font-style:normal;font-size:12px}
.field input{padding:7px 10px;border:1px solid var(--line-strong);border-radius:8px;background:var(--tile);font:inherit;outline:none}
.field input:focus{border-color:var(--ink)}
.link-section{margin-top:12px;border-top:1px dashed var(--line-strong);padding-top:10px}
.check{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}
.check input{accent-color:var(--ink);width:15px;height:15px}
#link-wrap{margin-top:8px}
#link-url{width:100%;padding:7px 10px;border:1px solid var(--line-strong);border-radius:8px;background:var(--tile);font:inherit;outline:none}
#link-url:focus{border-color:var(--ink)}
.help{margin:6px 0 0;font-size:11.5px;color:var(--ink-soft)}
.error{margin:6px 0 0;font-size:12px;color:#A93226}
.modal-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px}
.cost{margin:0;font-size:13px;color:var(--ink-soft)}
.cost strong{color:var(--ink)}
.pay-body{margin:0 0 8px;font-size:13.5px;line-height:1.55}
#pay-breakdown{color:var(--ink-soft);margin:0}

@media (max-width:760px){
  .tagline,.stats{display:none}
  .controls{width:100%;margin-left:0;justify-content:flex-start}
  .hint{display:none}
  .feed{max-width:80%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}