/* ==========================================================
   ورقتي / Waraqati — shared shell styles
   House style: w7sh site kit
   ========================================================== */

:root{
  /* ground: warm paper */
  --bg:#FFF1D1;
  --card:#FFFFFF;
  --inset:#FDF6E6;
  --chip:#FBE9C4;
  --line:#E9D5AC;

  /* warm near-black ink, not pure grey */
  --head:#2A1A12;
  --body:#4A3428;
  --muted:#7A6350;

  /* brand */
  --primary:#DF301C;
  --primary-soft:#FDE3DE;
  --orange:#FF9100;
  --cyan:#00B7CD;
  --link:#00738A;          /* darkened cyan so it passes contrast on cream */
  --success:#0E8A5F;
  --grad:linear-gradient(135deg,#DF301C,#FF9100);

  --shadow:0 1px 2px rgba(120,80,40,.06), 0 8px 20px rgba(120,80,40,.09);
  --r-lg:16px;
  --r-sm:10px;
  --container:720px;
}

*{box-sizing:border-box}
[hidden]{display:none!important}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"Cairo",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}

.container{max-width:var(--container);margin:0 auto;padding:0 16px}

a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

h1,h2,h3{color:var(--head);line-height:1.35;margin:0 0 10px}
h1{font-size:26px;font-weight:800}
h2{font-size:20px;font-weight:800}
.prose h2{padding-inline-start:11px;border-inline-start:4px solid var(--orange)}
h3{font-size:17px;font-weight:600}
p{margin:0 0 14px}

/* ---------- header ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:rgba(255,241,209,.88);
  backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:50;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;height:62px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--head);font-weight:800;font-size:18px}
.brand:hover{text-decoration:none}
.mark{
  width:32px;height:32px;border-radius:9px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:16px;font-weight:800;
  flex:0 0 auto;
}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--muted);font-size:14px;padding:6px 10px;border-radius:8px}
.nav a:hover{color:var(--head);background:var(--chip);text-decoration:none}
.lang-btn{
  background:var(--chip);border:1px solid var(--line);color:var(--head);
  border-radius:999px;padding:6px 14px;font-family:inherit;font-size:13px;
  font-weight:600;cursor:pointer;
}
.lang-btn:hover{border-color:var(--primary);color:var(--primary)}
@media(max-width:640px){ .nav a{display:none} }

/* ---------- hero ---------- */
.hero{padding:34px 0 22px;text-align:center}
.hero h1{font-size:clamp(24px,6vw,34px);margin-bottom:8px}
.hero p{color:var(--muted);max-width:52ch;margin:0 auto}

/* ---------- cards / panels ---------- */
.panel{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;margin:18px 0;
  box-shadow:var(--shadow);
}
.panel-inset{background:var(--inset);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px}

/* ---------- controls ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tab{
  background:var(--chip);border:1px solid var(--line);color:var(--body);
  border-radius:999px;padding:9px 18px;font-family:inherit;font-size:14px;
  font-weight:600;cursor:pointer;transition:.15s;
}
.tab:hover{border-color:var(--primary);color:var(--primary)}
.tab[aria-selected="true"]{background:var(--grad);border-color:transparent;color:#fff}

.field{margin-bottom:16px}
.tool-sep{border:none;border-top:1px solid var(--line);margin:18px 0}
.hint{
  margin:7px 0 0;font-size:13px;color:var(--muted);line-height:1.6;
  border-inline-start:3px solid var(--orange);padding-inline-start:9px;
}
.field > label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px}

select,input[type="text"],input[type="number"],textarea{
  width:100%;background:var(--inset);border:1px solid var(--line);color:var(--head);
  border-radius:var(--r-sm);padding:10px 12px;font-family:inherit;font-size:15px;
}
select:focus,input:focus,textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px var(--primary-soft)}
textarea{resize:vertical;min-height:90px;line-height:1.9}

.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
@media(max-width:520px){ .row{grid-template-columns:1fr} }

.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{
  background:var(--inset);border:1px solid var(--line);color:var(--body);
  border-radius:8px;padding:8px 14px;font-family:inherit;font-size:13.5px;cursor:pointer;
}
.seg button[aria-pressed="true"]{background:var(--primary-soft);border-color:transparent;box-shadow:inset 0 0 0 2px var(--primary);color:var(--primary);font-weight:700}

.switch{display:flex;align-items:center;gap:9px;font-size:14px;cursor:pointer;margin-bottom:10px}
.switch input{width:18px;height:18px;accent-color:var(--primary);cursor:pointer;flex:0 0 auto}

.letters{display:flex;flex-wrap:wrap;gap:6px}
.letters button{
  width:40px;height:40px;background:var(--card);border:1px solid var(--line);
  color:var(--body);border-radius:8px;font-family:inherit;font-size:19px;cursor:pointer;
  transition:.12s;
}
.letters button[aria-pressed="true"]{background:var(--primary-soft);border-color:transparent;box-shadow:inset 0 0 0 2px var(--primary);color:var(--primary);font-weight:700}
.mini{background:none;border:none;color:var(--link);font-family:inherit;font-size:13px;cursor:pointer;padding:4px 6px}
.mini:hover{text-decoration:underline}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-sm);padding:13px 22px;
  font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;
}
.btn-primary{background:var(--grad);color:#fff;width:100%;box-shadow:0 3px 10px rgba(223,48,28,.28)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{background:var(--card);border:1.5px solid var(--cyan);color:var(--link)}
.btn-ghost:hover{background:#E9FAFD}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.actions .btn{flex:1;min-width:150px}

/* ---------- ad slots ---------- */
.ad{margin:20px auto;text-align:center;min-height:100px;overflow:hidden}
.ad-mobile{
  position:fixed;bottom:0;left:0;right:0;z-index:60;
  background:var(--card);border-top:1px solid var(--line);
  box-shadow:0 -2px 12px rgba(120,80,40,.12);
  min-height:56px;margin:0;padding:2px 0;display:none;
}
@media(max-width:768px){ .ad-mobile{display:block} body{padding-bottom:60px} }

/* ---------- content sections ---------- */
.prose{max-width:66ch}
.prose h2{margin-top:30px}
.prose ul,.prose ol{padding-inline-start:22px;margin:0 0 14px}
.prose li{margin-bottom:6px}
.prose strong{color:var(--head)}

.faq details{
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--card);padding:12px 16px;margin-bottom:8px;
}
.faq summary{cursor:pointer;color:var(--head);font-weight:600;font-size:15px}
.faq details[open] summary{margin-bottom:8px}
.faq p{margin:0;color:var(--body);font-size:14.5px}

.note{
  border-inline-start:4px solid var(--orange);background:var(--inset);
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:12px 15px;margin:14px 0;font-size:14.5px;
}

/* ---------- support ---------- */
.support{text-align:center;margin:30px 0 10px}
.support p{color:var(--muted);font-size:14px;margin-bottom:12px}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);margin-top:36px;padding:24px 0 40px;
  color:var(--muted);font-size:13.5px;text-align:center;
}
.site-footer nav{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;margin-bottom:12px}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--link)}

/* ==========================================================
   WORKSHEET SHEETS — always black on white, print-accurate
   ========================================================== */
#preview{margin-top:20px}
.sheet-scaler{overflow:hidden;margin:0 auto 16px;max-width:100%;direction:ltr}
.sheet{
  width:210mm;min-height:297mm;background:#fff;color:#000;
  padding:14mm 13mm;transform-origin:top left;
  font-family:"Noto Naskh Arabic","Amiri","Cairo",serif;
  box-shadow:0 2px 6px rgba(120,80,40,.10), 0 12px 30px rgba(120,80,40,.14);
  display:flex;flex-direction:column;
}
.sheet-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:4mm;flex-wrap:wrap;
  border-bottom:1.6pt solid #111;padding-bottom:3mm;margin-bottom:6mm;
  font-family:"Cairo",sans-serif;
}
.sheet-title{font-size:15pt;font-weight:800;color:#000}
.sheet-sub{font-size:9pt;color:#555;font-weight:400}
.sheet-meta{font-size:9pt;color:#222;white-space:nowrap;flex:0 0 auto}
.sheet-body{flex:1}
.sheet-foot{
  margin-top:6mm;padding-top:2.5mm;border-top:.6pt solid #bbb;
  font-family:"Cairo",sans-serif;font-size:8pt;color:#777;
  display:flex;justify-content:space-between;
}

/* trace rows */
.trace-block{margin-bottom:7mm;break-inside:avoid}
.trace-label{
  font-family:"Cairo",sans-serif;font-size:10pt;color:#444;
  margin-bottom:1.5mm;border-inline-start:2.5pt solid #111;padding-inline-start:2.5mm;
}
.trace-row{
  display:flex;gap:3mm;align-items:center;
  border-bottom:.7pt dashed #999;padding:1.5mm 0;
}
.glyph{
  font-size:34pt;line-height:1.25;flex:0 0 auto;min-width:16mm;text-align:center;
}
.g-solid{color:#000}
.g-faint{color:#c9c9c9}
.g-outline{color:transparent;-webkit-text-stroke:.9pt #b4b4b4}
.g-blank{color:transparent}

/* counting */
.count-row{
  display:flex;align-items:center;gap:4mm;border:.8pt solid #333;
  border-radius:2mm;padding:3mm;margin-bottom:4mm;break-inside:avoid;
}
.pips{display:flex;flex-wrap:wrap;gap:2.2mm;flex:1}
.pip{width:6mm;height:6mm;border:1.1pt solid #333;border-radius:50%}
.answer-box{width:16mm;height:14mm;border:1.1pt solid #333;border-radius:1.5mm;flex:0 0 auto}

/* math */
.math-grid{display:grid;gap:5mm 6mm}
.math-q{
  font-size:15pt;padding:2.5mm 1mm;border-bottom:.7pt solid #ccc;
  display:flex;align-items:baseline;gap:2mm;break-inside:avoid;
  font-variant-numeric:tabular-nums;
}
/* division inside a column-layout sheet keeps the same boxed shape as its
   neighbours, so the grid stays even */
/* four of these sit across an A4 column track, so they run smaller */
.math-q-boxed{
  border:.8pt solid #ccc;border-bottom:.8pt solid #ccc;border-radius:2mm;
  padding:3mm;align-items:center;font-size:12pt;gap:1mm;
}
.math-q-boxed .q-blank{min-width:9mm}
.math-q-boxed .q-expr{gap:1mm}
.q-no{font-family:"Cairo",sans-serif;font-size:8.5pt;color:#999;min-width:7mm;flex:0 0 auto}
.q-expr{
  direction:ltr;display:inline-flex;align-items:baseline;gap:1.6mm;
  flex:1 1 auto;min-width:0;flex-wrap:wrap;justify-content:flex-start;
}
.q-blank{display:inline-block;min-width:15mm;border-bottom:1.1pt solid #333}
.math-col{
  border:.8pt solid #ccc;border-radius:2mm;padding:3mm 4mm;
  /* numerals run LTR and the units column must line up on the right,
     with the operator sitting to its left — as in Arabic maths books */
  direction:ltr;text-align:right;
  font-size:15pt;line-height:1.6;break-inside:avoid;font-variant-numeric:tabular-nums;
}
.math-col .op-line{
  border-bottom:1.3pt solid #333;padding-bottom:1mm;
  display:flex;justify-content:space-between;align-items:baseline;gap:4mm;
}
.math-col .op-sym{font-size:13pt}
.math-col .space{height:9mm}

/* handwriting */
.hw-line{
  position:relative;height:17mm;margin-bottom:3mm;break-inside:avoid;
  border-bottom:1.1pt solid #333;
}
.hw-line::before{
  content:"";position:absolute;inset-inline:0;top:50%;border-top:.6pt dashed #bbb;
}
.hw-line::after{
  content:"";position:absolute;inset-inline:0;top:14%;border-top:.6pt dotted #ddd;
}
.hw-text{
  position:absolute;inset-inline-start:0;bottom:.5mm;
  font-size:26pt;line-height:1;white-space:nowrap;
}

/* answer key page */
.key-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:3mm 5mm}
.key-item{font-size:11pt;font-variant-numeric:tabular-nums;display:flex;gap:2.5mm;align-items:baseline}
.key-item .kn{color:#999;font-family:"Cairo",sans-serif;font-size:8pt;min-width:7mm}

.empty{
  text-align:center;color:var(--muted);padding:40px 16px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--card);
}

/* ==========================================================
   PRINT
   ========================================================== */
@page{ size:A4 portrait; margin:0 }

@media print{
  html,body{background:#fff!important;margin:0;padding:0}
  .site-header,.site-footer,.hero,.ad,.ad-mobile,.panel,.prose,
  .support,.faq,.no-print,#preview > h2{display:none!important}
  #preview{margin:0}
  .sheet-scaler{overflow:visible;height:auto!important;margin:0}
  .sheet{
    transform:none!important;box-shadow:none;margin:0;
    width:210mm;height:297mm;min-height:297mm;overflow:hidden;
    page-break-after:always;break-after:page;
  }
  .sheet-scaler{width:auto!important;max-width:none}
  .sheet:last-child{page-break-after:auto;break-after:auto}
}

@media (prefers-reduced-motion:reduce){ *{animation:none!important;transition:none!important} }