:root{--p:#1f7a62;--p2:#3aa37f;--bg1:#1d6a55;--bg2:#2a8f6f;--pink:#2f8f6f;--yellow:#ffc933;--acc:#ff8a3d;--ok:#22c55e;--bad:#dc2626;--bg:#1f7a62;--card:#fff;--tx:#1e3a31;--mut:#5d756c;--bd:#cfe3da;--field:#eef7f3;--sh:0 12px 0 rgba(0,0,0,.12),0 18px 36px rgba(0,0,0,.16)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0}
body{font-family:Andika,Cairo,system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;background:linear-gradient(160deg,var(--bg1),var(--bg2));background-attachment:fixed;color:var(--tx);min-height:100vh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);line-height:1.6}
a{color:var(--p)}
h1,h2,h3{margin:.2em 0}
.en{font-family:Andika,system-ui,sans-serif;direction:ltr}
.wrap{max-width:1000px;margin:0 auto;padding:16px}
.center{text-align:center}
.muted{color:var(--mut);font-size:.9em}
.card{background:var(--card);border-radius:20px;padding:18px;box-shadow:var(--sh);border:1px solid var(--bd);margin:12px 0}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.sp{justify-content:space-between}
.btn{font:inherit;font-weight:600;border:1px solid var(--bd);background:var(--card);color:var(--tx);padding:10px 16px;border-radius:14px;cursor:pointer;min-height:44px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;border:0;box-shadow:0 4px 0 rgba(0,0,0,.18)}
.btn-danger{background:var(--bad);color:#fff;border:0}
.btn-sm{padding:6px 10px;min-height:34px;font-size:.85em;border-radius:10px}
input,select,textarea{font:inherit;color:var(--tx);background:var(--field);border:1px solid var(--bd);border-radius:12px;padding:10px 12px;width:100%;min-height:44px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--p);outline-offset:1px}
.field{display:flex;flex-direction:column;gap:4px;margin:10px 0}
.field-label{font-weight:600;font-size:.92em}
.field-hint{color:var(--mut);font-size:.8em}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.tab{padding:8px 14px;border-radius:12px;border:1px solid var(--bd);background:var(--card);cursor:pointer;font:inherit;font-weight:600;color:var(--tx);text-decoration:none}
.tab.on{background:var(--p);color:#fff;border-color:var(--p)}
.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;padding:10px 16px;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff}
.topbar .tb-r{justify-content:flex-start;align-items:center}.topbar .tb-l{justify-content:flex-end}
.topbar .toppts{font-weight:800;font-size:1.15em;background:rgba(255,255,255,.2);border-radius:99px;padding:4px 14px;min-width:60px;text-align:center}.topbar .toppts:empty{display:none}
@media(max-width:640px){.topbar{grid-template-columns:1fr auto}.topbar .tb-r{grid-column:1/-1}.topbar .tb-l{justify-content:flex-start}.topbar .toppts{order:2}}
.topbar a,.topbar button{color:#fff}
.topbar .brand{font-weight:800;font-size:1.2em;text-decoration:none}
.topbar .btn{background:rgba(255,255,255,.18);border-color:transparent;color:#fff}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:.78em;font-weight:600;background:var(--bd)}
.badge-green{background:#dcfce7;color:#166534}.badge-red{background:#fee2e2;color:#991b1b}.badge-amber{background:#fef3c7;color:#92400e}.badge-blue{background:#e0e7ff;color:#3730a3}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:.9em}
th,td{padding:8px 10px;border-bottom:1px solid var(--bd);text-align:right;white-space:nowrap}
th{color:var(--mut);font-weight:600}
.spinner-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;padding:60px 0}
.spinner{width:36px;height:36px;border-radius:50%;border:4px solid var(--bd);border-top-color:var(--p);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast-host{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:9999;width:min(92vw,420px)}
.toast{padding:12px 16px;border-radius:14px;background:#26244a;color:#fff;box-shadow:0 6px 20px rgba(0,0,0,.3)}
.toast-error{background:var(--bad)}.toast-success{background:var(--ok)}
.modal-overlay{position:fixed;inset:0;background:rgba(10,10,30,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:9000}
.modal{background:var(--card);color:var(--tx);border-radius:20px;padding:20px;width:min(94vw,440px);max-height:90vh;overflow:auto}
.modal-wide{width:min(94vw,640px)}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:14px;flex-wrap:wrap}
.error-panel{text-align:center}.error-icon{font-size:2.4em}
.lesson-card{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;transition:transform .15s}
.lesson-card:hover{transform:translateY(-3px)}
.big-letter{font-family:Andika,sans-serif;font-size:3.4em;font-weight:700;color:var(--p);line-height:1}
.stars{letter-spacing:2px}
.code{font-family:ui-monospace,Menlo,monospace;direction:ltr;unicode-bidi:plaintext}
.banner{padding:10px 14px;border-radius:14px;background:#fef3c7;color:#92400e;margin:10px 0}
.offline-bar{position:sticky;top:0;background:var(--bad);color:#fff;text-align:center;padding:4px;z-index:50}
/* ===== الدرس: الحرف ===== */
.stage{display:flex;flex-direction:column;align-items:center;gap:12px}
.letter-hero{font-family:Andika,sans-serif;font-size:7em;font-weight:700;color:var(--p);line-height:1.1;text-shadow:0 6px 0 rgba(91,75,255,.18)}
.vocab{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;width:100%}
.vocab button{font:inherit;background:var(--card);border:1px solid var(--bd);border-radius:18px;padding:12px;cursor:pointer;box-shadow:var(--sh);color:var(--tx)}
.vocab .emo{font-size:3.2em;display:block}.vocab .w{font-family:Andika,sans-serif;font-weight:700;font-size:1.2em}
.trace-box{width:min(92vw,380px);aspect-ratio:1/1.1;background:var(--card);border:2px dashed var(--bd);border-radius:22px;touch-action:none;position:relative}
.trace-box svg{width:100%;height:100%;display:block;touch-action:none}
.vol{display:flex;gap:8px;align-items:center}.vol input{width:140px;min-height:auto;padding:0}
@media(max-width:520px){.letter-hero{font-size:5.5em}}

/* ===== هوية فلك (مأخوذة من النسخة التجريبية) ===== */
.card{border-radius:26px;padding:18px}
.wrap>h2,.wrap>.tabs,.wrap>.muted{color:#fff}
.wrap>h2{text-shadow:0 2px 0 rgba(0,0,0,.15)}
.btn-primary{background:var(--pink);box-shadow:0 6px 0 #1f6b52;border:0;color:#fff}
.btn-primary:active{transform:translateY(5px);box-shadow:0 1px 0 #1f6b52}
.btn-danger{box-shadow:0 5px 0 #8f1d1d}
.tab{border:3px solid #cfe3da;background:rgba(255,255,255,.12);color:#fff}
.tab.on{background:#fff;color:var(--p);border-color:#fff}
.modal .tab{color:var(--tx);background:transparent}
.topbar{background:rgba(255,255,255,.14);backdrop-filter:blur(6px)}
.row>input,.row>select{width:auto;flex:1 1 180px}
.row>.field{flex:1 1 140px}
.banner{font-weight:700}
.card h2,.card h3{color:var(--tx)}
/* تبويبات داخل البطاقات (مثل شاشة الدخول) */
.card .tab{color:var(--tx);background:transparent;border-color:var(--bd)}
.card .tab.on{background:var(--p);color:#fff;border-color:var(--p)}
.login-head .big-letter{color:#fff;text-shadow:0 5px 0 rgba(0,0,0,.18)}
.login-head h1{color:#fff;text-shadow:0 2px 0 rgba(0,0,0,.18)}
/* ===== الطباعة ===== */
.printwrap{max-width:900px;margin:0 auto;padding:12px}
.printbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px;color:#fff}
.printbar .muted{color:#fff}
.sheet,.cert{background:#fff;color:#222;border-radius:14px;padding:18px 22px;font-family:"Times New Roman",Amiri,"Noto Naskh Arabic",serif}
.sheet .en,.pgh{font-family:Andika,sans-serif}
.phead{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:3px solid #1f7a62;padding-bottom:6px;gap:12px;flex-wrap:wrap}
.phead h1{margin:0;font-size:26px;color:#1e3a31}.pname{font-size:16px}
.psec h3{margin:16px 0 8px;font-size:18px;color:#1e3a31}
.prow{display:flex;gap:6px;justify-content:center;margin:4px 0}
.dl{flex:1 1 0;min-width:0;height:auto;max-height:30mm;border-radius:6px}
.pwords{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pword{text-align:center}.pemo{font-size:44px;line-height:1.3;padding-top:6px}
.pgh{font-size:32px;font-weight:800;color:#7b8190;letter-spacing:.5px;direction:ltr}
.pline{border-bottom:2px solid #8fb4ff;height:26px;margin-top:4px}
.cert{border:10px double #ffb800;padding:0;min-height:520px;display:flex}
.cert-in{flex:1;text-align:center;padding:30px 24px;display:flex;flex-direction:column;justify-content:center;gap:8px;background:linear-gradient(160deg,#fffdf5,#fff3d6)}
.cert h1{margin:0;font-size:46px;color:#1f7a62}.cert-brand{font-size:22px;font-weight:700;color:#3aa37f}
.cert-l{margin:6px 0;font-size:18px;color:#555}
.cert-name{font-size:40px;font-weight:700;color:#2f8f6f;border-bottom:3px dotted #ffb800;display:inline-block;margin:0 auto;padding:0 30px}
.cert-lesson{font-size:30px;font-weight:700}.cert-stars{font-size:38px;letter-spacing:6px}
.cert-foot{display:flex;justify-content:space-between;margin-top:30px;font-size:16px;color:#444;padding:0 20px}
@media print{
  body,body.printing{background:#fff!important}
  .no-print,.topbar,.toast-host,.offline-bar{display:none!important}
  .printwrap{padding:0;max-width:none}
  .sheet,.cert{border-radius:0;padding:0}
  .cert{padding:0}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}
.big{font-size:34px;text-align:center;min-height:44px}
/* ===== لوحة المعلم: التسليمات ===== */
.hwrow{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.hwbig{width:100%;max-height:60vh;object-fit:contain;background:#fff;border:2px solid #dcefe7;border-radius:12px;margin:8px 0}
.modal .chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.modal .chip{font:inherit;font-size:.9em;border:2px solid var(--bd);background:var(--field);color:var(--tx);border-radius:99px;padding:5px 12px;cursor:pointer}
.modal .chip:hover{border-color:#1f7a62}
.modal .btn.y{background:#ffd23f;color:#3b2f00;border-color:#e0b000}
/* إيموجي ثلاثي الأبعاد */
.emi{width:1em;height:1em;vertical-align:middle;object-fit:contain;filter:drop-shadow(0 6px 6px rgba(20,10,60,.28));pointer-events:none;user-select:none}
.pemo .emi{filter:drop-shadow(0 2px 2px rgba(0,0,0,.25))}
.big .emi{width:1.1em;height:1.1em}

/* خلفية عصرية: رسومات هادئة معتمة بإحساس ثلاثي الأبعاد */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:url(../img/bg.svg) center bottom/cover no-repeat;opacity:.16}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(60% 50% at 15% 10%,rgba(255,79,147,.22),transparent 70%),radial-gradient(55% 45% at 90% 85%,rgba(47,199,255,.22),transparent 70%)}
@media print{body::before,body::after{display:none}}
/* حالة أيقونة الحرف في الرئيسية: أحمر حتى تكتمل كل الخطوات ثم أخضر */
.lesson-card .big-letter.lc-red{color:#ef4444}
.lesson-card .big-letter.lc-ok{color:#16a34a}
.lesson-card .lcpts{display:inline-block;font-size:12px;font-weight:800;border-radius:99px;padding:2px 10px;margin:2px 0}
.lesson-card .lcpts.red{background:#fee2e2;color:#991b1b}.lesson-card .lcpts.ok{background:#dcfce7;color:#166534}
.hide{display:none!important}
.contcard{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;text-decoration:none;color:inherit;border:3px solid var(--acc,#ff8a3d)}
.progrow{display:flex;align-items:center;gap:10px;padding:8px 0;text-decoration:none;color:inherit;font-weight:700}
.progrow>span:first-child{min-width:90px}
.progbar{flex:1;height:14px;border-radius:99px;background:rgba(58,163,127,.18);overflow:hidden;display:block}
.progbar>span{display:block;height:100%;background:linear-gradient(90deg,#34d399,#22c55e);border-radius:99px}
.pfgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin-bottom:14px}
.pf img{width:100%;height:auto;border-radius:12px;border:2px solid #cfe3da;background:#fff}.pf.pend{opacity:.85}
.hwitem.pf{flex-direction:column;align-items:stretch}.hwitem.pf img{width:100%;max-width:100%}
@media(max-width:640px){
  .topbar .tb-r{gap:6px}
  .topbar .tb-r .brand{flex-basis:100%;font-size:1.1em}
  .topbar .tb-r .btn{flex:1 1 0;text-align:center;padding:7px 6px;font-size:13px;white-space:nowrap}
}