:root{
  --bg:#f8f6f1;--white:#ffffff;--charcoal:#403B33;--muted:#5c6370;
  --border:#e5e1d8;--accent:#7c3aed;--accent3:#10b981;--rose:#BC4749;
  --teal:#70A3A7;--beige:#F0EAD6;--cream:#fdf8ef;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--charcoal);min-height:100vh;}

.page-hero{background:linear-gradient(135deg,#1e1e2e 0%,#2d2d3f 100%);padding:48px 24px 40px;text-align:center;position:relative;overflow:hidden;}
.page-hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(124,58,237,.12) 1px,transparent 1px);background-size:26px 26px;}
.hero-eyebrow{font-size:.65rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);border:1.5px solid rgba(124,58,237,.3);border-radius:999px;padding:4px 14px;display:inline-block;margin-bottom:14px;position:relative;}
.hero-title{font-family:'Fredoka',cursive;font-size:clamp(1.8rem,5vw,2.8rem);font-weight:600;color:white;line-height:1.15;margin-bottom:10px;position:relative;}
.hero-sub{font-size:.9rem;color:rgba(255,255,255,.6);line-height:1.7;max-width:520px;margin:0 auto 24px;position:relative;}
.hero-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;position:relative;}
.hero-btn{padding:10px 22px;border-radius:10px;border:none;cursor:pointer;font-family:'Fredoka',cursive;font-size:.9rem;font-weight:600;transition:all .15s;}
.hb-print{background:var(--accent3);color:#000;box-shadow:0 3px 0 #059669;}
.hb-print:hover{filter:brightness(1.1);transform:translateY(-1px);}
.hb-tab{background:rgba(255,255,255,.1);color:white;border:1px solid rgba(255,255,255,.2);}
.hb-tab:hover,.hb-tab.active{background:rgba(124,58,237,.25);border-color:var(--accent);}

.worksheet-container{max-width:860px;margin:0 auto;padding:32px 16px 80px;}
.tab-bar{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin-bottom:28px;}
.tab-btn{padding:8px 18px;border-radius:10px;border:1.5px solid var(--border);background:var(--white);cursor:pointer;font-family:'Fredoka',cursive;font-size:.82rem;font-weight:600;color:var(--muted);transition:all .15s;}
.tab-btn:hover{border-color:var(--accent);color:var(--accent);}
.tab-btn.active{background:var(--accent);border-color:var(--accent);color:white;}

.worksheet{display:none;background:var(--cream);border:1.5px solid var(--border);border-radius:18px;padding:32px 28px;margin-bottom:24px;box-shadow:0 2px 12px rgba(0,0,0,.04);position:relative;}
.worksheet.visible{display:block;}
.ws-header{display:flex;align-items:center;gap:14px;margin-bottom:24px;padding-bottom:18px;border-bottom:2px dashed var(--border);}
.ws-emoji{font-size:2rem;flex-shrink:0;}
.ws-title{font-family:'Fredoka',cursive;font-size:1.4rem;font-weight:700;color:var(--charcoal);flex:1;}
.ws-number{font-size:.6rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:white;background:var(--accent);padding:4px 12px;border-radius:999px;}

.field{margin-bottom:16px;}
.field-label{font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:5px;display:flex;align-items:center;gap:6px;}
.field input,.field textarea,.field select{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:10px;font-family:'Inter',sans-serif;font-size:.88rem;color:var(--charcoal);background:var(--white);outline:none;transition:border-color .15s;}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,58,237,.08);}
.field textarea{min-height:80px;line-height:1.6;resize:vertical;}
.field select{cursor:pointer;}

.dotted-line{border:none;border-bottom:1.5px dotted var(--border2);width:100%;height:32px;}

.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:560px){.field-row{grid-template-columns:1fr;}}

.sketch-area{width:100%;min-height:280px;border:2px dashed var(--border);border-radius:12px;background:var(--white);position:relative;overflow:hidden;}
.sketch-area::before{content:'';position:absolute;inset:0;background-image:
  linear-gradient(rgba(0,0,0,.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(0,0,0,.04) 1px,transparent 1px);
  background-size:24px 24px;}
.sketch-label{position:absolute;bottom:8px;right:12px;font-size:.6rem;color:var(--muted);font-weight:700;letter-spacing:.08em;text-transform:uppercase;}

/* Level grid */
.level-grid-wrap{overflow-x:auto;margin-bottom:16px;}
.level-grid{display:grid;grid-template-columns:repeat(20,28px);grid-template-rows:repeat(12,28px);gap:1px;margin:0 auto;}
.level-cell{width:28px;height:28px;border:1px solid var(--border);background:var(--white);cursor:pointer;transition:background .1s;touch-action:none;}
.level-cell:hover{background:var(--beige);}

.legend-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px;}
.legend-item{display:flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;color:var(--charcoal);}
.legend-swatch{width:20px;height:20px;border-radius:4px;border:1.5px solid var(--border);background:var(--white);}

.ws-divider{border:none;border-top:1.5px dashed var(--border);margin:20px 0;}

.ws-branding{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:2px dashed var(--border);font-size:.7rem;color:var(--muted);}
.ws-branding-logo{font-family:'Fredoka',cursive;font-weight:700;color:var(--rose);}

/* Print */
@media print{
  body{background:#fff !important;color:#000 !important;}
  .page-hero,.tab-bar,.ws-branding,.hero-btns{display:none !important;}
  .worksheet{display:block !important;page-break-inside:avoid;border:1.5px solid #ccc;padding:20px;margin:0;box-shadow:none;border-radius:8px;background:#fdf8ef !important;}
  .ws-header{border-bottom-color:#ccc;}
  .field input,.field textarea,.field select{border:1px solid #999;background:#fff;}
  .sketch-area{min-height:220px;}
  .level-grid{grid-template-columns:repeat(20,20px);grid-template-rows:repeat(12,20px);}
  .level-cell{width:20px;height:20px;}
  .ws-number{background:#666 !important;color:#fff !important;}
  @page{margin:1.5cm;size:A4;}
  .worksheet{margin-bottom:12px;}
}