/* ═══ منصة مُدرِّس — نظام التصميم ═══ */
:root{
  --bg:#f6f7fb; --surface:#fff; --surface-2:#f1f3f9; --line:#e4e7f0; --text:#151a2d; --muted:#667085;
  --brand:#5b4bf5; --brand-2:#8b5cf6; --brand-soft:#eeebff; --accent:#ff8a3d; --ok:#12b76a; --ok-soft:#e7f8ef;
  --warn:#f79009; --warn-soft:#fff4e5; --bad:#f04438; --bad-soft:#feeceb; --info:#0ba5ec;
  --radius:18px; --radius-sm:12px; --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -12px rgba(16,24,40,.12);
  --font:"IBM Plex Sans Arabic","Tajawal",system-ui,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
a{color:var(--brand);text-decoration:none}
img{max-width:100%}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .5em}
.container{width:min(1200px,100% - 32px);margin-inline:auto}
.muted{color:var(--muted)} .small{font-size:.875rem} .tiny{font-size:.78rem}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap} .between{justify-content:space-between} .grow{flex:1}
.stack>*+*{margin-top:16px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(auto-fill,minmax(min(100%,420px),1fr))}
.g3{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr))}
.g5{grid-template-columns:repeat(auto-fill,minmax(min(100%,170px),1fr))}

/* ── الشريط العلوي ── */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.topbar .container{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--text)}
.logo img{width:40px;height:40px;border-radius:12px;box-shadow:0 6px 16px -6px var(--brand)}
.nav{display:flex;gap:4px;margin-inline-start:auto;align-items:center}
.nav a{padding:8px 14px;border-radius:10px;color:var(--text);font-weight:500}
.nav a:hover,.nav a.on{background:var(--brand-soft);color:var(--brand)}
.menu-btn{display:none;margin-inline-start:auto;background:none;border:0;font-size:1.6rem;cursor:pointer}
@media(max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:68px;inset-inline:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open{display:flex}
}

/* ── الأزرار والحقول ── */
.btn{--c:var(--brand);display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:12px;border:1px solid transparent;background:var(--c);color:#fff;font:600 .95rem var(--font);cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px -10px var(--c)}
.btn:active{transform:none}
.btn.ghost{background:transparent;color:var(--c);border-color:var(--line)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.soft{background:var(--brand-soft);color:var(--brand)}
.btn.ok{--c:var(--ok)} .btn.bad{--c:var(--bad)} .btn.warn{--c:var(--warn)} .btn.dark{--c:#151a2d}
.btn.sm{min-height:36px;padding:6px 12px;font-size:.85rem;border-radius:10px}
.btn.lg{min-height:56px;padding:14px 28px;font-size:1.1rem;border-radius:16px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
.input,select,textarea{width:100%;min-height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;font:inherit;color:inherit;transition:border .15s,box-shadow .15s}
textarea{min-height:110px;resize:vertical}
.input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.field{margin-bottom:16px}
.field .hint{font-size:.8rem;color:var(--muted);margin-top:4px}
.error{color:var(--bad);font-size:.85rem;margin-top:4px}
.check{display:flex;align-items:center;gap:10px;font-weight:500;cursor:pointer}
.check input{width:20px;height:20px;accent-color:var(--brand)}

/* ── البطاقات ── */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card.flat{box-shadow:none}
.card-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}
.card-title h3{margin:0;font-size:1.1rem}
.tile{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;color:var(--text);transition:transform .2s,box-shadow .2s,border-color .2s;position:relative;overflow:hidden}
.tile:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(30,20,90,.35);border-color:transparent}
.tile .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:1.8rem;margin-bottom:12px;background:var(--tc,var(--brand-soft))}
.tile h3{font-size:1.08rem;margin-bottom:4px}
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:.76rem;font-weight:600;background:var(--surface-2);color:var(--muted)}
.badge.ok{background:var(--ok-soft);color:#067647} .badge.warn{background:var(--warn-soft);color:#b54708} .badge.bad{background:var(--bad-soft);color:#b42318} .badge.brand{background:var(--brand-soft);color:var(--brand)}
.lock{position:absolute;top:14px;left:14px;font-size:1rem;opacity:.7}

/* ── الإحصائيات ── */
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat b{display:block;font-size:1.8rem;font-weight:800;line-height:1.2}
.stat span{color:var(--muted);font-size:.88rem}

/* ── الجداول ── */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.table{width:100%;border-collapse:collapse;min-width:640px}
.table th,.table td{padding:12px 14px;text-align:start;border-bottom:1px solid var(--line);vertical-align:middle}
.table th{background:var(--surface-2);font-size:.82rem;color:var(--muted);font-weight:600}
.table tr:last-child td{border-bottom:0}
.table tr:hover td{background:#fafbff}

/* ── التنبيهات ── */
.flash{padding:14px 18px;border-radius:14px;margin:16px 0;font-weight:500;display:flex;gap:10px;align-items:center}
.flash.ok{background:var(--ok-soft);color:#067647;border:1px solid #abefc6}
.flash.bad{background:var(--bad-soft);color:#b42318;border:1px solid #fecdca}
.flash.info{background:#eff8ff;color:#175cd3;border:1px solid #b2ddff}

/* ── البطل (الصفحة الرئيسية) ── */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 85% -10%,#c4b5fd55,transparent),radial-gradient(900px 400px at 0% 110%,#fdba7455,transparent),linear-gradient(180deg,#fff,#f6f7fb);padding:72px 0 56px}
.hero h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.5px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),#e0559b,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.15rem;color:#475467;max-width:640px}
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .ic{flex:none;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:1.4rem;background:var(--brand-soft)}
.section{padding:56px 0}
.section h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800}
.price{font-size:2.2rem;font-weight:800}
.price small{font-size:1rem;color:var(--muted);font-weight:500}
.ribbon{position:absolute;top:16px;left:-34px;transform:rotate(-45deg);background:var(--accent);color:#fff;padding:4px 40px;font-size:.75rem;font-weight:700}

/* ── رأس الصفحة الداخلية ── */
.page-head{padding:28px 0 8px}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:6px}
.crumbs a{color:var(--muted)} .crumbs a:hover{color:var(--brand)}
.tabs{display:flex;gap:6px;overflow-x:auto;border-bottom:1px solid var(--line);margin-bottom:20px;scrollbar-width:none}
.tabs a,.tabs button{padding:12px 16px;border:0;background:none;font:600 .95rem var(--font);color:var(--muted);border-bottom:3px solid transparent;cursor:pointer;white-space:nowrap}
.tabs .on{color:var(--brand);border-color:var(--brand)}

/* ── تخطيط لوحة المالك ── */
.admin{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.side{background:#11152a;color:#c9cde0;padding:18px 14px;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .logo{color:#fff;margin:6px 8px 22px}
.side h6{font-size:.72rem;color:#7a8099;margin:18px 10px 6px;font-weight:600;letter-spacing:.5px}
.side a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:#c9cde0;font-weight:500;font-size:.94rem}
.side a:hover{background:#1d2340;color:#fff}
.side a.on{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff}
.admin main{padding:24px clamp(16px,3vw,36px);min-width:0}
.admin-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.admin-top h1{font-size:1.5rem;margin:0}
.side-toggle{display:none}
@media(max-width:960px){
  .admin{grid-template-columns:1fr}
  .side{position:fixed;inset-block:0;inset-inline-start:0;width:270px;z-index:80;transform:translateX(100%);transition:transform .25s}
  .side.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.4)}
  .side-toggle{display:inline-flex}
}

.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty .big{font-size:3rem}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--surface-2);font-size:.85rem;font-weight:500}
.copy-box{display:flex;gap:8px;align-items:center;background:var(--surface-2);border:1px dashed #c7cbe0;border-radius:14px;padding:8px 8px 8px 14px}
.copy-box input{flex:1;border:0;background:transparent;font:600 1rem var(--font);direction:ltr;text-align:left;min-width:0}
.progress{height:10px;background:var(--surface-2);border-radius:99px;overflow:hidden}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2));border-radius:99px}
.bar-chart{display:flex;align-items:flex-end;gap:12px;height:180px;padding-top:10px}
.bar-chart div{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bar-chart i{width:100%;max-width:46px;background:linear-gradient(180deg,var(--brand-2),var(--brand));border-radius:10px 10px 4px 4px;min-height:4px}
.footer{border-top:1px solid var(--line);padding:28px 0;margin-top:48px;color:var(--muted);font-size:.9rem}

/* ── حماية المحتوى ── */
.protected{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.protected img,.protected video{-webkit-user-drag:none;pointer-events:auto}
.watermark{position:fixed;inset:0;pointer-events:none;z-index:9998;opacity:.07;background-repeat:repeat;mix-blend-mode:multiply}

/* ── الشاشات التفاعلية: أهداف لمس كبيرة ── */
@media (pointer:coarse){ .btn{min-height:52px} .tile{padding:24px} }
@media print{ .topbar,.footer,.no-print,.side{display:none!important} body{background:#fff} .card{box-shadow:none} }