:root{
  --ink:#1E2A38;
  --ink-soft:#3F4C5A;
  --sun:#FFD34E;
  --sun-pale:#FFF0B3;
  --coral:#FF6B4A;
  --paper:#FFFDF6;
  --note-yellow:#FFF27A;
  --grey:#5A6470;
  --ok:#2E7D32;
  --bad:#C62828;
}
*{box-sizing:border-box}
body{margin:0;background:var(--sun);color:var(--ink);font-family:"Atkinson Hyperlegible",system-ui,sans-serif;font-size:18px;line-height:1.6;overflow-x:hidden}
a{color:var(--ink)}
.wrap{max-width:1060px;margin:0 auto;padding:0 24px}
.wrap.wide{max-width:1400px}
header{padding:22px 0}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:19px}
nav.top a{font-family:"Kalam",cursive;font-size:20px;text-decoration:none;color:var(--ink);margin-left:18px}
nav.top a:hover{color:var(--coral)}
h1{font-size:44px;line-height:1.1;margin:10px 0 14px;letter-spacing:-0.5px}
.lede{font-size:20px;color:var(--ink-soft);margin:0 0 26px;max-width:36em}

/* The app */
.app{background:var(--paper);border:2px solid var(--ink);box-shadow:6px 6px 0 var(--ink);margin-bottom:56px}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:12px 14px;border-bottom:2px dashed #D8D1BC}
.toolbar .title{font-family:"Kalam",cursive;font-size:26px;font-weight:700;color:var(--ink);background:transparent;border:0;border-bottom:2px solid transparent;padding:0 2px;min-width:8em;flex:1 1 220px}
.toolbar .title:hover{border-bottom-color:#D8D1BC}
.toolbar .title:focus{outline:none;border-bottom-color:var(--coral)}
.tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.tools button,.menu summary{font:inherit;font-size:16px;font-weight:700;color:var(--ink);background:#fff;border:2px solid var(--ink);border-radius:999px;padding:5px 14px;cursor:pointer;line-height:1.3;transition:transform .12s}
.tools button:hover,.menu summary:hover{transform:rotate(-2deg)}
.tools button:focus-visible,.menu summary:focus-visible{outline:3px solid var(--coral);outline-offset:2px}
.tools button.icon{padding:5px 10px;font-size:18px}
.tools button:disabled{opacity:.35;cursor:default;transform:none}
.seg{display:inline-flex;border:2px solid var(--ink);border-radius:999px;overflow:hidden;background:#fff}
.seg button{border:0;border-radius:0;padding:5px 12px;font-family:"Kalam",cursive;font-size:17px}
.seg button+button{border-left:2px solid var(--ink)}
.seg button[aria-pressed="true"]{background:var(--coral)}
.seg button:hover{transform:none;background:var(--sun-pale)}
.seg button[aria-pressed="true"]:hover{background:var(--coral)}
.menu{position:relative}
.menu summary{list-style:none}
.menu summary::-webkit-details-marker{display:none}
.menu summary::after{content:" ▾";font-size:13px}
.menu summary.primary{background:var(--coral)}
.menu-body{position:absolute;z-index:20;top:calc(100% + 8px);left:0;min-width:230px;background:var(--note-yellow);border:2px solid var(--ink);padding:12px;display:flex;flex-direction:column;gap:8px;box-shadow:4px 4px 0 var(--ink);transform:rotate(-0.6deg)}
.menu.right .menu-body{left:auto;right:0}
.menu-body label{display:flex;flex-direction:column;font-size:14px;color:var(--ink-soft);gap:2px}
.menu-body select,.menu-body input{font:inherit;font-size:17px;padding:4px 6px;border:0;border-bottom:2px solid var(--ink);background:transparent;color:var(--ink)}
.menu-body button{text-align:left;border-radius:6px;background:transparent;border:2px solid transparent;padding:4px 8px}
.menu-body button:hover{background:#fff;border-color:var(--ink);transform:none}
.menu-body .row{display:flex;align-items:center;gap:6px}
.menu-body .row button:first-child{flex:1}
.menu-body .x{font-size:14px;padding:2px 8px;color:var(--bad)}
.share-body{min-width:320px}
.share-body input{font-size:14px !important;width:100%}
.menu-body .empty{font-size:15px;color:var(--ink-soft);margin:0}

.stage{display:grid;grid-template-columns:minmax(0,1fr) 290px;min-height:540px}
.canvas-wrap{position:relative;overflow:auto}
#canvas{display:block;width:100%;height:auto;min-height:520px;touch-action:none;user-select:none;-webkit-user-select:none}
#canvas .hit{cursor:pointer}
#canvas .node .hit{cursor:grab}
#canvas.dragging,#canvas.dragging *{cursor:grabbing !important}
#canvas .handle{fill:transparent;cursor:crosshair}
#canvas .node:hover .handle,#canvas .handle.show{fill:rgba(255,107,74,.45)}
#canvas .band:hover .hit{stroke:rgba(255,107,74,.6);stroke-width:3}
#canvas .name,#canvas .value,#canvas .badge{cursor:pointer}
#canvas .note-el,#canvas .note-el .hit{cursor:grab}
#canvas .note-el:hover .hit{stroke:rgba(255,107,74,.6)}
.float textarea{font:inherit;font-size:16px;padding:4px 6px;border:2px solid var(--ink);border-radius:4px;width:260px;resize:vertical}
.float textarea:focus{outline:none;border-color:var(--coral)}
.float .actions{display:flex;gap:6px}
#canvas .rubber{fill:none;stroke:var(--coral);stroke-width:3;stroke-dasharray:6 5}
.hint{position:absolute;left:16px;bottom:8px;margin:0;font-family:"Kalam",cursive;font-size:17px;color:var(--grey);pointer-events:none}
.toast{position:absolute;left:50%;top:14px;transform:translateX(-50%) rotate(-1deg);background:var(--ink);color:#fff;padding:6px 14px;border-radius:6px;font-size:16px;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}

/* Inline editor that floats over the canvas */
.float{position:absolute;z-index:15;background:#fff;border:2px solid var(--ink);border-radius:8px;padding:8px;box-shadow:3px 3px 0 var(--ink);display:flex;flex-direction:column;gap:6px;min-width:190px}
.float input{font:inherit;font-size:18px;font-weight:700;padding:3px 6px;border:0;border-bottom:2px solid var(--ink);width:100%}
.float input:focus{outline:none;border-bottom-color:var(--coral)}
.float .err{color:var(--bad);font-size:13px;margin:0}
.float .tip{color:var(--grey);font-size:13px;margin:0}
.dots{display:flex;gap:6px;align-items:center}
.dots button{width:22px;height:22px;border-radius:50%;border:2px solid var(--ink);padding:0;cursor:pointer}
.dots button[aria-pressed="true"]{outline:3px solid var(--coral);outline-offset:1px}
.dots input[type=color]{width:26px;height:24px;border:0;padding:0;background:none;cursor:pointer}

/* The bookkeeper: a sticky note */
.panel{border-left:2px dashed #D8D1BC;padding:16px}
.note{background:var(--note-yellow);border:2px solid var(--ink);padding:12px 14px;transform:rotate(0.7deg);box-shadow:3px 3px 0 rgba(30,42,56,.25)}
.note h2{font-family:"Kalam",cursive;font-size:24px;margin:0 0 4px;line-height:1.2;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.note h3{font-size:14px;text-transform:uppercase;letter-spacing:.5px;margin:10px 0 2px;color:var(--ink-soft)}
.note ul{list-style:none;margin:0;padding:0}
.note li{display:flex;justify-content:space-between;gap:10px;font-size:16px;padding:2px 0;border-bottom:1px dashed #D9C84A}
.note li .v{font-weight:700;white-space:nowrap}
.note .sum{display:flex;justify-content:space-between;font-weight:700;margin-top:8px;font-size:17px}
.note .actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.note .actions button{font:inherit;font-size:15px;font-weight:700;border:2px solid var(--ink);border-radius:999px;padding:3px 12px;background:#fff;cursor:pointer}
.note .actions button.primary{background:var(--coral)}
.note p{font-size:16px;margin:6px 0}
.pill{font-family:"Atkinson Hyperlegible",sans-serif;font-size:13px;font-weight:700;padding:1px 8px;border-radius:999px}
.pill.ok{background:#E6F4EA;color:var(--ok)}
.pill.bad{background:#FDECEA;color:var(--bad)}
.whole{margin-top:18px;font-size:15px;color:var(--ink-soft)}
.whole b{color:var(--ink)}
.warn{background:#FDECEA;border:2px solid var(--bad);color:var(--bad);padding:8px 10px;border-radius:6px;font-size:15px;margin-top:12px}
.how{font-size:15px;color:var(--ink-soft)}
.how li{margin-bottom:6px}

/* Explainer below the tool */
.notes{margin:0 0 50px;max-width:46em}
.notes h2{font-size:28px;margin:34px 0 10px;line-height:1.2}
.notes h3{font-size:20px;margin:18px 0 4px}
.notes p,.notes li{margin:0 0 10px}
.notes .q{font-family:"Kalam",cursive;font-size:21px}

footer{background:var(--ink);color:#C9D2DB;padding:36px 0 48px;font-size:15px}
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.social{display:flex;gap:16px}
.social a{color:#C9D2DB;display:inline-flex;width:24px;height:24px}
.social a:hover,.social a:focus-visible{color:var(--coral)}
.social svg{width:100%;height:100%;fill:currentColor}

@media (max-width:900px){
  h1{font-size:34px}
  .stage{grid-template-columns:minmax(0,1fr)}
  .panel{border-left:0;border-top:2px dashed #D8D1BC}
  nav.top a:first-child{margin-left:0}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  #canvas{min-height:300px}
  .app{box-shadow:3px 3px 0 var(--ink)}
  .menu-body{position:fixed;left:16px;right:16px;top:auto;min-width:0}
  .menu.right .menu-body{left:16px;right:16px}
}