/* The screen around the printable booklets (print-letters / print-words / print-characters) */
*{box-sizing:border-box;margin:0;padding:0;}
html,body{min-height:100%;}
body{font-family:'Heebo','Varela Round',Arial,sans-serif;color:#3b2a6b;overflow-x:hidden;
  background:#fff7ed radial-gradient(circle at 20px 20px,rgba(249,115,22,.09) 3px,transparent 3.5px) 0 0/44px 44px;
  -webkit-tap-highlight-color:transparent;}
body.pb-noscroll{overflow:hidden;}
[hidden]{display:none!important;}

/* top */
#pb-top{position:sticky;top:0;z-index:40;height:56px;display:flex;align-items:center;gap:10px;padding:0 12px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:2px solid rgba(124,58,237,.14);}
.pb-home-btn{width:46px;height:46px;flex-shrink:0;border-radius:50%;background:rgba(124,58,237,.12);font-size:22px;
  display:flex;align-items:center;justify-content:center;text-decoration:none;}
#pb-top strong{font-size:clamp(16px,4.6vw,20px);font-weight:900;color:#6d28d9;white-space:nowrap;}

#pb-tabs{display:flex;gap:8px;justify-content:center;padding:12px 10px 0;max-width:760px;margin:0 auto;}
.pb-tab{flex:1;max-width:200px;min-height:50px;border-radius:18px;background:#fff;color:#6d28d9;text-decoration:none;font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;gap:6px;box-shadow:0 4px 0 rgba(109,40,217,.18);border:2px solid transparent;}
.pb-tab.on{background:linear-gradient(135deg,#7c3aed,#a855f7);color:#fff;box-shadow:0 4px 0 #5b21b6;}

#pb-main{max-width:980px;margin:0 auto;padding:14px 14px 130px;}
.pb-hero{text-align:center;padding:6px 6px 14px;}
.pb-hero h1{font-size:clamp(24px,6.6vw,36px);font-weight:900;color:#5b21b6;line-height:1.2;}
.pb-hero p{font-size:clamp(15px,4vw,18px);line-height:1.55;margin-top:6px;color:#4c3a85;}

#pb-lucky{display:block;margin:12px auto 0;}

/* name */
.pb-field{background:#fff;border-radius:18px;padding:12px 14px;box-shadow:0 4px 0 rgba(109,40,217,.12);margin:0 auto 14px;max-width:560px;}
.pb-field label{display:block;font-size:16px;font-weight:800;color:#5b21b6;margin-bottom:6px;}
.pb-field input{width:100%;height:48px;border-radius:14px;border:2px solid #ddd6fe;font:700 18px 'Heebo',Arial,sans-serif;padding:0 12px;color:#3b2a6b;background:#faf8ff;}
.pb-field input:focus{outline:none;border-color:#7c3aed;}
.pb-field small{display:block;margin-top:5px;font-size:13.5px;color:#6b5b95;}

/* shelf of booklets */
#pb-shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;}
.pb-book{background:#fff;border-radius:18px;padding:10px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:3px;
  box-shadow:0 5px 0 rgba(109,40,217,.16);transition:transform .12s;}
.pb-book:hover{transform:translateY(-3px) rotate(-.6deg);}
.pb-book:active{transform:translateY(2px);}
.pb-cover{display:block;aspect-ratio:190/270;border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.09);margin-bottom:6px;}
.pb-cover svg,.pb-thumb svg,#pb-pv-page svg{display:block;width:100%;height:auto;background:#fff;}
.pb-book strong{font-size:17px;font-weight:900;color:#5b21b6;line-height:1.2;}
.pb-book small{font-size:13.5px;color:#5f5189;line-height:1.3;}
.pb-book em{font-style:normal;font-size:13px;font-weight:800;color:#ea580c;margin-top:2px;}

/* one booklet */
#pb-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
#pb-back{min-height:44px;border:none;border-radius:22px;background:#fff;color:#6d28d9;font:800 15px 'Heebo',Arial,sans-serif;padding:0 14px;cursor:pointer;box-shadow:0 3px 0 rgba(109,40,217,.16);}
#pb-title{font-size:clamp(22px,6vw,30px);font-weight:900;color:#5b21b6;}
#pb-count{font-size:15px;font-weight:800;color:#ea580c;}
#pb-desc{font-size:16px;margin-bottom:10px;color:#4c3a85;}
#pb-tools{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}
.pb-tool{min-height:44px;border:none;border-radius:22px;background:#ede9fe;color:#5b21b6;font:800 15px 'Heebo',Arial,sans-serif;padding:0 14px;cursor:pointer;}
.pb-tool:active{transform:translateY(2px);}
#pb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:14px;}
.pb-page{position:relative;background:#fff;border-radius:12px;padding:6px;box-shadow:0 3px 0 rgba(109,40,217,.15);border:3px solid transparent;}
.pb-page.on{border-color:#16a34a;box-shadow:0 3px 0 rgba(22,163,74,.35);}
.pb-thumb{display:block;width:100%;aspect-ratio:190/270;border:none;background:#fff;border-radius:6px;overflow:hidden;cursor:zoom-in;padding:0;box-shadow:0 0 0 1px rgba(0,0,0,.08);}
.pb-check{position:absolute;top:0;right:0;width:48px;height:48px;background:none;border:none;cursor:pointer;padding:6px;}
.pb-check span{display:flex;width:32px;height:32px;margin-inline-start:auto;border-radius:50%;background:#fff;border:3px solid #a78bfa;color:transparent;font:900 18px Arial,sans-serif;align-items:center;justify-content:center;}
.pb-page.on .pb-check span{background:#16a34a;border-color:#16a34a;color:#fff;}
.pb-label{font-size:14px;font-weight:700;text-align:center;padding-top:5px;color:#4c3a85;}
#pb-empty{background:#fff;border-radius:16px;padding:30px 18px;text-align:center;font-size:18px;font-weight:700;color:#5b21b6;}

/* print bar */
#pb-bar{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-top:2px solid rgba(124,58,237,.16);padding:8px 12px calc(10px + env(safe-area-inset-bottom,0px)) 66px;}
#pb-bar-in{max-width:760px;margin:0 auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;}
#pb-bar-in .pb-btn{flex:0 1 auto;padding:0 13px;font-size:15px;white-space:nowrap;}
#pb-bar-hint{flex-basis:100%;text-align:center;font-size:13.5px;font-weight:600;color:#5f5189;}
.pb-btn{min-height:50px;border:none;border-radius:25px;padding:0 18px;font:900 16px 'Heebo',Arial,sans-serif;cursor:pointer;color:#fff;
  background:linear-gradient(135deg,#ea580c,#f59e0b);box-shadow:0 4px 0 #9a3412;}
.pb-btn:active{transform:translateY(3px);box-shadow:0 1px 0 #9a3412;}
.pb-btn.ghost{background:#fff;color:#c2410c;box-shadow:0 4px 0 rgba(154,52,18,.25);}

/* preview */
#pb-preview{position:fixed;inset:0;z-index:100000;background:rgba(30,20,60,.95);display:flex;flex-direction:column;}
#pb-pv-top{display:flex;align-items:center;gap:8px;padding:8px 10px;color:#fff;}
#pb-pv-title{flex:1;font-size:15.5px;font-weight:700;min-width:0;}
.pb-round{width:46px;height:46px;flex-shrink:0;border:none;border-radius:50%;background:rgba(255,255,255,.18);color:#fff;font-size:20px;cursor:pointer;}
#pb-pv-body{flex:1;min-height:0;overflow:auto;display:flex;justify-content:center;align-items:flex-start;padding:4px 10px;}
#pb-pv-page{width:min(100%,calc((100dvh - 150px) * 190 / 270));min-width:min(100%,280px);background:#fff;padding:6px;border-radius:6px;}
#pb-pv-bottom{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 10px calc(10px + env(safe-area-inset-bottom,0px));flex-wrap:wrap;}
#pb-pv-print{order:5;flex-basis:100%;max-width:340px;}
#pb-pv-pick{min-height:50px;border:none;border-radius:25px;padding:0 16px;font:800 15px 'Heebo',Arial,sans-serif;background:#fff;color:#5b21b6;cursor:pointer;}
#pb-pv-pick.on{background:#16a34a;color:#fff;}

/* opening in Safari (printing from the iPhone app) */
#pb-safari{position:fixed;inset:0;z-index:100001;background:rgba(30,20,60,.7);display:flex;align-items:center;justify-content:center;padding:16px;}
#pb-safari>div{background:#fff;border-radius:20px;padding:20px;max-width:380px;text-align:center;}
#pb-safari h2{font-size:21px;color:#5b21b6;margin-bottom:8px;}
#pb-safari p{font-size:16px;line-height:1.5;margin-bottom:14px;}
#pb-safari a{display:block;text-decoration:none;line-height:50px;margin-bottom:8px;}

.pb-about{max-width:760px;margin:26px auto 0;background:rgba(255,255,255,.75);border-radius:16px;padding:14px 16px;font-size:15px;line-height:1.6;color:#4c3a85;}
.pb-about h2{font-size:18px;color:#5b21b6;margin-bottom:4px;}
.pb-about ul{padding-inline-start:20px;}

/* printing: only the sheets */
#pb-print{display:none;}
@media print{
  /* no page margin: browsers then leave out their own header and footer (date, address).
     The white edge is padding inside the sheet, in percents so that it shrinks along with the sheet */
  @page{size:A4 portrait;margin:0;}
  html,body{background:#fff!important;}
  body.pb-printing>*:not(#pb-print){display:none!important;}
  body.pb-printing #pb-print{display:block;}
  /* max-width + aspect-ratio: if a printer's margins are wider, the sheet shrinks instead of being cut */
  .pb-sheet{width:210mm;max-width:100%;aspect-ratio:210/296;padding:5.7% 4.762% 0;overflow:hidden;break-after:page;page-break-after:always;}
  .pb-sheet:last-child{break-after:auto;page-break-after:auto;}
  .pb-sheet svg{display:block;width:100%;height:auto;}
}