@import url('https://fonts.googleapis.com/css2?family=Patrick+Hand&family=Schoolbell&display=swap');

:root{
  --blue:#89CFF0;
  --navy:#00008B;
  --paper:rgba(137,207,240,.94);
  --line:rgba(0,0,139,.35);
}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--blue);color:var(--navy)}
body{font-family:"Patrick Hand",cursive}
button,input,textarea,select{font:inherit}
button{cursor:pointer;color:var(--navy);border:1px solid var(--navy);background:rgba(137,207,240,.9);border-radius:5px}
button:hover{background:#a9ddf5}
#app{width:100%;height:100%;position:relative}
.topbar{position:absolute;z-index:20;top:12px;left:12px;right:12px;display:flex;align-items:center;gap:10px;pointer-events:none}
.topbar>*{pointer-events:auto}
.brand{font-family:"Schoolbell",cursive;font-size:clamp(20px,3vw,32px);margin-left:4px}
.toolbar{margin-left:auto;display:flex;align-items:center;gap:5px}
.icon-btn,.small-btn{padding:5px 10px;font-size:18px}
.small-btn{font-size:16px}
#zoomLabel{min-width:48px;text-align:center}
#viewport{position:absolute;inset:0;overflow:hidden;touch-action:none;cursor:grab}
#viewport.grabbing{cursor:grabbing}
#world{position:absolute;width:2400px;height:1600px;transform-origin:0 0}
#gridLayer{position:absolute;inset:0;background-image:radial-gradient(var(--navy) 1.2px,transparent 1.2px);background-size:18px 18px;opacity:.35}
#connections{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.connection{fill:none;stroke:var(--navy);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.object{position:absolute;user-select:none;touch-action:none;transform-origin:center center;cursor:move}
.object.selected{outline:2px dashed var(--navy);outline-offset:5px}
.object .caption{font-size:17px;line-height:1.1;margin-top:5px;white-space:pre-wrap}
.note{padding:14px;background:rgba(240,250,255,.35);border:1px solid rgba(0,0,139,.5);min-width:130px;min-height:70px;white-space:pre-wrap;font-size:24px;line-height:1.05}
.title-note{font-family:"Schoolbell",cursive;text-align:center;font-size:42px;background:transparent;border:0}
.image-card img,.pdf-card img{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}
.image-card,.pdf-card{background:rgba(235,249,255,.7);padding:8px;border:1px solid var(--navy)}
.media-card{background:rgba(235,249,255,.8);border:1px solid var(--navy);padding:10px;min-width:190px}
.media-card a{color:var(--navy);text-decoration:underline}
.media-card iframe{width:100%;height:120px;border:0}
.audio-title{font-size:21px;margin-bottom:8px}
.audio-card audio{width:100%;max-width:260px}
.menu-label{font-family:"Schoolbell",cursive;font-size:27px;white-space:nowrap}
.editor{position:absolute;z-index:30;right:14px;top:62px;width:min(340px,calc(100% - 28px));max-height:calc(100% - 76px);overflow:auto;background:var(--paper);border:2px solid var(--navy);padding:14px;box-shadow:8px 8px 0 rgba(0,0,139,.16)}
.hidden{display:none!important}
.editor-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
h2{font-size:25px;margin:0}
.hint{font-size:17px;line-height:1.1}
.add-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:12px 0}
.add-grid button,.primary,.danger,.file-label{padding:8px;font-size:17px}
.primary{background:var(--navy);color:var(--blue);width:100%;margin:8px 0}
.danger{width:100%;margin-top:8px}
.file-label{display:block;border:1px solid var(--navy);margin-top:8px}
.file-label input{display:block;width:100%;margin-top:5px}
.selection-info{border-top:1px solid var(--navy);margin-top:12px;padding-top:12px;font-size:16px}
.modal{position:absolute;z-index:50;inset:0;background:rgba(0,0,139,.2);display:grid;place-items:center;padding:20px}
.modal-card{width:min(460px,100%);background:var(--paper);border:2px solid var(--navy);padding:16px;box-shadow:8px 8px 0 rgba(0,0,139,.2)}
#formFields{display:grid;gap:10px;margin:15px 0}
#formFields label{display:grid;gap:4px;font-size:18px}
#formFields input,#formFields textarea,#formFields select{width:100%;padding:7px;border:1px solid var(--navy);background:#eaf8ff;color:var(--navy)}
#formFields textarea{min-height:100px}
#toast{position:absolute;z-index:60;bottom:20px;left:50%;transform:translateX(-50%);background:var(--navy);color:var(--blue);padding:8px 14px;border-radius:5px;opacity:0;transition:opacity .2s;pointer-events:none;font-size:18px}
#toast.show{opacity:1}
@media(max-width:600px){
 .topbar{top:8px;left:8px;right:8px;gap:5px}
 .brand{font-size:21px}
 .toolbar{gap:3px}
 .small-btn{padding:4px 7px}
 .icon-btn{padding:4px 8px}
 .menu-label{font-size:23px}
}