/* ==========================================================================
   PharmaHub Aid — نظام التصميم الاحترافي الكامل
   الهوية: كحلي #023562 + أزرق #2fa8da + ذهبي #c9932f
   الخطوط: IBM Plex Sans Arabic (عناوين) + Almarai (نصوص) + Inter (أرقام)
   العنصر المميز: أشكال كبسولة (Pill) + نقاط متصلة (Orbit)
   ========================================================================== */

:root{
  /* الهوية اللونية */
  --navy-900:#011a33;
  --navy-800:#022b52;
  --navy-700:#023562;
  --navy-600:#0a4a7e;
  --blue-500:#2fa8da;
  --blue-400:#6cc4e8;
  --blue-100:#dceef9;
  --blue-50:#eff8fd;
  --gold-600:#8a6216;
  --gold-500:#c9932f;
  --gold-100:#f5e6c4;
  --gold-50:#fbf3e3;
  --teal-600:#0e6f69;
  --teal-100:#d5efec;
  --sage-600:#5a7a38;
  --sage-100:#e5efd5;
  --rose-600:#a34a4a;
  --rose-100:#f7e2df;
  --sand-600:#5a5240;
  --sand-100:#ece8dc;
  --ink-900:#101c26;
  --ink-600:#4d6270;
  --ink-400:#7e93a0;
  --line:#e3eaf0;
  --paper:#f4f7fa;
  --surface:#ffffff;
  --danger:#c0524a;
  --danger-50:#fbeae8;
  --ok:#3fa06e;
  --ok-50:#e7f5ee;
  --warn:#d0972e;
  --warn-50:#fdf3e0;

  /* الخطوط */
  --font-head:'IBM Plex Sans Arabic',sans-serif;
  --font-body:'Almarai',sans-serif;
  --font-num:'Inter',sans-serif;

  /* التباعد */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:20px;
  --sp-6:24px; --sp-7:28px; --sp-8:32px; --sp-10:40px; --sp-12:48px;

  /* الزوايا — كبسولات (Pills) */
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:26px; --r-pill:999px;

  /* الظلال متعددة الطبقات */
  --sh-1:0 1px 2px rgba(5,35,60,.05);
  --sh-2:0 2px 8px rgba(5,35,60,.06), 0 1px 2px rgba(5,35,60,.04);
  --sh-3:0 12px 32px rgba(5,35,60,.10), 0 2px 6px rgba(5,35,60,.06);
  --sh-4:0 24px 60px rgba(5,35,60,.18), 0 6px 18px rgba(5,35,60,.08);
  --sh-nav:0 10px 30px rgba(2,43,82,.20);

  --ease:cubic-bezier(.22,.9,.32,1);
}

/* ===== إعادة الضبط ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--paper);
  background-image:
    radial-gradient(900px 400px at 85% -10%, rgba(47,168,218,.07), transparent 60%),
    radial-gradient(700px 380px at 10% 0%, rgba(201,147,47,.05), transparent 55%);
  background-attachment:fixed;
  color:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
svg.i{width:18px;height:18px;flex-shrink:0;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* ===== شريط تقدم التمرير ===== */
.scroll-progress{
  position:fixed;top:0;right:0;left:0;height:3px;z-index:200;
  background:linear-gradient(90deg,var(--blue-500),var(--gold-500));
  transform-origin:0 50%;transform:scaleX(0);
  transition:transform .1s linear;
}

/* ===== الأزرار ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.84rem;
  padding:10px 20px;border-radius:var(--r-pill);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), opacity .2s;
  white-space:nowrap;justify-content:center;
}
.btn:active{transform:scale(.97)}
.btn-gold{
  background:linear-gradient(150deg,#e2b04a,var(--gold-500));
  color:#332504;
  box-shadow:0 6px 18px rgba(201,147,47,.35), inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(201,147,47,.45)}
.btn-navy{
  background:linear-gradient(135deg,var(--navy-700),var(--navy-900));
  color:#fff;
  box-shadow:0 6px 16px rgba(2,43,82,.3);
}
.btn-navy:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(2,43,82,.4)}
.btn-blue{
  background:linear-gradient(135deg,var(--blue-500),#1d8fbe);
  color:#fff;box-shadow:0 6px 16px rgba(47,168,218,.3);
}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(47,168,218,.4)}
.btn-line{
  background:var(--surface);border:1.5px solid var(--line);color:var(--ink-600);
  padding:9px 18px;border-radius:var(--r-pill);font-weight:700;font-size:.82rem;
  transition:.18s var(--ease);
}
.btn-line:hover{border-color:var(--blue-400);color:var(--navy-700);background:var(--blue-50)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.16)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-danger{background:var(--danger-50);color:var(--danger);border:1.5px solid var(--danger)}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-sm{padding:7px 14px;font-size:.76rem}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ===== الشريط العلوي الزجاجي ===== */
header.topbar{
  position:sticky;top:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 28px;
  background:linear-gradient(180deg, rgba(2,36,68,.96), rgba(2,36,68,.88));
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-nav);
  color:#fff;
}
.brand{display:flex;align-items:center;gap:12px;cursor:pointer}
.brand .brand-mark{width:38px;height:38px;flex-shrink:0;filter:drop-shadow(0 4px 10px rgba(47,168,218,.35))}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text b{font-family:var(--font-head);font-weight:700;font-size:1.02rem;letter-spacing:.1px}
.brand-text small{font-family:var(--font-body);font-weight:400;font-size:.72rem;color:var(--blue-400)}
.topbar-actions{display:flex;align-items:center;gap:10px}
.user-chip{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);
  padding:6px 14px 6px 8px;font-size:.78rem;font-weight:700;
}
.user-chip .uc-av{
  width:26px;height:26px;border-radius:50%;background:linear-gradient(145deg,var(--gold-500),var(--gold-600));
  display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-num);
  font-size:.7rem;font-weight:800;
}
.user-chip .uc-name{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-chip .uc-points{color:var(--gold-500);font-family:var(--font-num);font-weight:800;font-size:.72rem}

/* ===== الهيكل ===== */
.shell{display:flex;align-items:flex-start;max-width:1280px;margin-inline:auto}
main{flex:1;min-width:0;padding:30px 32px 80px}
main.wide{max-width:1400px;margin-inline:auto;width:100%}

/* ===== القائمة الجانبية ===== */
aside.sidebar{
  width:230px;flex-shrink:0;position:sticky;top:64px;
  height:calc(100vh - 64px);padding:22px 14px 16px;
  display:flex;flex-direction:column;gap:2px;
  border-inline-start:1px solid var(--line);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(10px);
}
.side-avatar{
  display:flex;align-items:center;gap:10px;padding:12px;margin-bottom:8px;
  background:linear-gradient(140deg,var(--blue-50),var(--gold-50));
  border:1px solid var(--line);border-radius:var(--r-md);
}
.side-avatar .av{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(145deg,var(--navy-600),var(--navy-900));color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-head);font-weight:700;font-size:.9rem;
}
.side-avatar .av svg.i{width:17px;height:17px}
.side-avatar .av-txt{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.side-avatar .av-txt b{font-family:var(--font-head);font-size:.78rem;font-weight:600;color:var(--navy-800);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-avatar .av-txt small{font-size:.65rem;color:var(--ink-400);font-weight:400}
.side-label{
  font-family:var(--font-head);font-size:.64rem;font-weight:600;color:var(--ink-400);
  letter-spacing:.12em;padding:14px 14px 7px;
}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:10px 14px;border-radius:var(--r-sm);
  color:var(--ink-600);font-weight:700;font-size:.86rem;position:relative;cursor:pointer;
  transition:background .16s var(--ease), color .16s var(--ease);
}
.nav-item svg.i{transition:transform .18s var(--ease)}
.nav-item:hover{background:var(--blue-50);color:var(--navy-700)}
.nav-item:hover svg.i{transform:translateX(-2px)}
.nav-item.active{background:linear-gradient(120deg,var(--blue-100),var(--blue-50));color:var(--navy-700);font-weight:700}
.nav-item.active::after{
  content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--blue-500);border-radius:3px;
  box-shadow:0 0 8px rgba(47,168,218,.5);
}
.nav-item .badge{
  margin-inline-start:auto;font-family:var(--font-num);font-size:.64rem;font-weight:700;
  background:var(--gold-100);color:var(--gold-600);padding:2px 8px;border-radius:var(--r-pill);
}
.sidebar-foot{
  margin-top:auto;padding-top:13px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:2px;
}
.sidebar-foot .nav-item{font-size:.78rem;font-weight:600;color:var(--ink-400)}
.sidebar-foot .nav-item.tg{color:var(--blue-500)}
.sidebar-foot .nav-item.tg:hover{background:var(--blue-50)}

/* ===== الصفحة الرئيسية ===== */
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;display:flex;align-items:center;gap:14px;
  box-shadow:var(--sh-1);transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.stat-card .ic{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.stat-card .ic svg.i{width:20px;height:20px}
.stat-card:nth-child(1) .ic{background:var(--blue-100);color:var(--navy-600)}
.stat-card:nth-child(2) .ic{background:var(--teal-100);color:var(--teal-600)}
.stat-card:nth-child(3) .ic{background:var(--gold-100);color:var(--gold-600)}
.stat-card:nth-child(4) .ic{background:var(--sage-100);color:var(--sage-600)}
.stat-card .sc-txt{display:flex;flex-direction:column;line-height:1.2}
.stat-card .sc-txt b{font-family:var(--font-num);font-size:1.5rem;font-weight:800;color:var(--ink-900);letter-spacing:-.02em}
.stat-card .sc-txt span{font-size:.72rem;color:var(--ink-400);font-weight:700}

/* ===== بانر الهيرو ===== */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:30px 34px;margin-bottom:28px;
  background:
    radial-gradient(120% 160% at 90% -20%, rgba(47,168,218,.40), transparent 55%),
    radial-gradient(90% 130% at 0% 110%, rgba(201,147,47,.18), transparent 50%),
    linear-gradient(125deg, var(--navy-900), var(--navy-700) 65%, #053a68);
  box-shadow:var(--sh-4);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);
  background-size:22px 22px;opacity:.35;
  mask-image:linear-gradient(120deg, transparent 40%, #000);
}
.hero .hero-dots{position:absolute;left:-30px;top:-50px;opacity:.5;pointer-events:none}
.hero-copy{position:relative;z-index:1}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.12);backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.14);
  color:var(--blue-400);font-size:.7rem;font-weight:700;
  padding:5px 13px;border-radius:var(--r-pill);margin-bottom:14px;
}
.hero .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold-500);box-shadow:0 0 10px var(--gold-500);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h2{margin:0 0 9px;font-family:var(--font-head);font-size:1.42rem;font-weight:700;letter-spacing:-.3px}
.hero p{margin:0;color:#c9dcec;font-size:.87rem;max-width:440px;line-height:1.8}
.hero .btn-gold{position:relative;z-index:1;flex-shrink:0}
.hero .hero-stats{position:relative;z-index:1;display:flex;gap:18px;margin-top:18px}
.hero .hero-stats .hs{display:flex;flex-direction:column}
.hero .hero-stats .hs b{font-family:var(--font-num);font-size:1.06rem;font-weight:800;color:#fff}
.hero .hero-stats .hs span{font-size:.68rem;color:var(--blue-400);font-weight:600}

/* ===== عنوان الصفحة ===== */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-head h1{margin:0;font-family:var(--font-head);font-size:1.42rem;font-weight:700;color:var(--navy-800);letter-spacing:-.3px}
.page-head .ph-sub{display:flex;align-items:center;gap:8px;margin-top:4px;font-size:.8rem;color:var(--ink-400);font-weight:600}
.page-head .ph-sub .crumb{color:var(--blue-500);font-weight:700}

/* ===== التبويبات والفلاتر ===== */
.controls-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.seg{
  display:inline-flex;gap:3px;background:var(--surface);padding:4px;
  border-radius:var(--r-pill);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.seg button{
  padding:8px 22px;border-radius:var(--r-pill);font-weight:700;font-size:.82rem;
  color:var(--ink-600);transition:.2s var(--ease);display:inline-flex;align-items:center;gap:7px;
}
.seg button svg.i{width:15px;height:15px}
.seg button.active{
  background:linear-gradient(135deg,var(--navy-700),var(--navy-900));
  color:#fff;box-shadow:0 4px 12px rgba(2,43,82,.3);
}
.filters{display:inline-flex;gap:7px;flex-wrap:wrap}
.chip{
  padding:7px 16px;border-radius:var(--r-pill);font-size:.76rem;font-weight:700;
  color:var(--ink-600);background:var(--surface);border:1px solid var(--line);
  transition:.18s var(--ease);
}
.chip.active{background:var(--navy-800);color:#fff;border-color:var(--navy-800);box-shadow:0 4px 12px rgba(2,43,82,.22)}
.chip:hover:not(.active){border-color:var(--blue-400);color:var(--navy-700);transform:translateY(-1px)}

/* ===== شبكة المواد ===== */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(265px,1fr));gap:18px;align-items:stretch}
.card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 20px 16px;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);cursor:pointer;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  opacity:0;transform:translateY(18px);
  animation:cardIn .5s var(--ease) forwards;
}
@keyframes cardIn{to{opacity:1;transform:translateY(0)}}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-4);border-color:transparent}
.card::before{content:"";position:absolute;top:0;bottom:0;right:0;width:4px;border-radius:4px 0 0 4px;opacity:.9}
.card .dossier-num{
  position:absolute;top:-14px;left:-4px;
  font-family:var(--font-num);font-size:5.2rem;font-weight:800;
  color:var(--line);opacity:0;transform:translateX(10px);
  transition:.3s var(--ease);line-height:1;pointer-events:none;
}
.card:hover .dossier-num{opacity:1;transform:translateX(0);color:var(--blue-100)}

/* عائلات الألوان */
.fam-chem::before{background:linear-gradient(180deg,var(--blue-500),var(--navy-600))}
.fam-chem .subject-icon{background:linear-gradient(145deg,var(--blue-100),#c4e4f6);color:var(--navy-700)}
.fam-chem .prog-fill{background:linear-gradient(90deg,var(--navy-700),var(--blue-500))}
.fam-chem .card-name{color:var(--navy-800)}
.fam-organic::before{background:linear-gradient(180deg,#23a894,#0e6f69)}
.fam-organic .subject-icon{background:linear-gradient(145deg,var(--teal-100),#bfe7e3);color:var(--teal-600)}
.fam-organic .prog-fill{background:linear-gradient(90deg,var(--teal-600),#23a894)}
.fam-organic .card-name{color:#0c5c57}
.fam-bio::before{background:linear-gradient(180deg,#7da24f,var(--sage-600))}
.fam-bio .subject-icon{background:linear-gradient(145deg,var(--sage-100),#d4e4bb);color:var(--sage-600)}
.fam-bio .prog-fill{background:linear-gradient(90deg,var(--sage-600),#7da24f)}
.fam-bio .card-name{color:#4c6a2e}
.fam-pharm::before{background:linear-gradient(180deg,var(--gold-500),var(--gold-600))}
.fam-pharm .subject-icon{background:linear-gradient(145deg,var(--gold-100),#eed9ac);color:var(--gold-600)}
.fam-pharm .prog-fill{background:linear-gradient(90deg,var(--gold-600),var(--gold-500))}
.fam-pharm .card-name{color:var(--gold-600)}
.fam-natural::before{background:linear-gradient(180deg,#8fb866,var(--sage-600))}
.fam-natural .subject-icon{background:linear-gradient(145deg,var(--sage-100),#d7e8c2);color:var(--sage-600)}
.fam-natural .prog-fill{background:linear-gradient(90deg,var(--sage-600),#8fb866)}
.fam-natural .card-name{color:#4c6a2e}
.fam-gen::before{background:linear-gradient(180deg,var(--sand-600),#3f3a2d)}
.fam-gen .subject-icon{background:linear-gradient(145deg,var(--sand-100),#dcd6c4);color:var(--sand-600)}
.fam-gen .prog-fill{background:linear-gradient(90deg,var(--sand-600),#8a8070)}
.fam-gen .card-name{color:var(--sand-600)}
.fam-math::before{background:linear-gradient(180deg,#7a5ea3,#57407c)}
.fam-math .subject-icon{background:linear-gradient(145deg,#e9e0f5,#d6c6ec);color:#5a4285}
.fam-math .prog-fill{background:linear-gradient(90deg,#57407c,#7a5ea3)}
.fam-math .card-name{color:#5a4285}

.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:14px}
.subject-icon{
  width:46px;height:46px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  transition:transform .25s var(--ease);box-shadow:var(--sh-1);
}
.subject-icon svg.i{width:23px;height:23px}
.card:hover .subject-icon{transform:scale(1.08) rotate(-3deg)}
.type-chip{
  font-family:var(--font-head);font-size:.62rem;font-weight:600;
  padding:4px 11px;border-radius:var(--r-pill);display:inline-flex;align-items:center;gap:5px;
}
.type-chip svg.i{width:12px;height:12px}
.card-name{
  font-family:var(--font-head);font-weight:600;font-size:.98rem;
  line-height:1.55;margin-bottom:5px;
}
.card-desc{font-size:.74rem;color:var(--ink-400);line-height:1.7;margin-bottom:16px}
.progress-wrap{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.progress-track{flex:1;height:6px;border-radius:var(--r-pill);background:var(--blue-50);overflow:hidden}
.progress-fill{height:100%;border-radius:var(--r-pill);width:0;transition:width 1.1s var(--ease) .3s}
.progress-val{font-family:var(--font-num);font-size:.72rem;font-weight:800;color:var(--ink-600)}
.card-meta{display:flex;gap:14px;padding-block:12px;border-top:1px dashed var(--line);margin-bottom:13px}
.card-meta .cm{display:flex;align-items:center;gap:6px;font-family:var(--font-num);font-size:.7rem;font-weight:600;color:var(--ink-400)}
.card-meta .cm svg.i{width:14px;height:14px;color:var(--blue-400)}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px}
.card-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-family:var(--font-head);font-size:.66rem;font-weight:700;padding:3px 11px;border-radius:var(--r-pill)}
.tag.theory{background:var(--blue-100);color:var(--navy-700)}
.tag.practical{background:var(--gold-100);color:var(--gold-600)}
.card-arrow{
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--blue-50);color:var(--navy-700);flex-shrink:0;transition:.25s var(--ease);
}
.card-arrow svg.i{width:16px;height:16px}
.card:hover .card-arrow{background:var(--navy-800);color:#fff;transform:translateX(-4px)}

/* ===== صفحة المادة الداخلية ===== */
.subject-hero{
  border-radius:var(--r-xl);padding:26px 30px;margin-bottom:22px;color:#fff;position:relative;overflow:hidden;
  display:flex;align-items:center;gap:20px;
}
.subject-hero .sh-icon{width:54px;height:54px;border-radius:16px;background:rgba(255,255,255,.15);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.subject-hero .sh-icon svg.i{width:26px;height:26px}
.subject-hero h1{margin:0 0 3px;font-family:var(--font-head);font-size:1.28rem;font-weight:700}
.subject-hero .sh-sub{font-size:.78rem;opacity:.85}
.subject-hero .sh-tags{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.subject-hero .tag{background:rgba(255,255,255,.18);color:#fff}

.section-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:16px}
.sec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;display:flex;flex-direction:column;gap:10px;cursor:pointer;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.sec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.sec-card .sec-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
}
.sec-card .sec-icon svg.i{width:21px;height:21px}
.sec-card h3{margin:0;font-family:var(--font-head);font-size:.98rem;font-weight:700;color:var(--ink-900)}
.sec-card p{margin:0;font-size:.76rem;color:var(--ink-400)}
.sec-num{font-family:var(--font-num);font-size:1.6rem;font-weight:800;color:var(--blue-100)}
.sec-theory .sec-icon{background:var(--blue-100);color:var(--navy-700)}
.sec-practical .sec-icon{background:var(--gold-100);color:var(--gold-600)}

/* ===== نافذة التسجيل (Auth) ===== */
.overlay{
  position:fixed;inset:0;z-index:300;
  background:rgba(2,18,34,.55);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);overflow-y:auto;
}
.overlay.show{opacity:1;pointer-events:auto}
.modal{
  background:var(--surface);border-radius:var(--r-xl);padding:36px;max-width:440px;width:100%;
  box-shadow:var(--sh-4);position:relative;overflow:hidden;
  transform:translateY(18px) scale(.96);transition:transform .28s var(--ease);
  max-height:92vh;overflow-y:auto;
}
.overlay.show .modal{transform:translateY(0) scale(1)}
.modal::before{
  content:"";position:absolute;top:0;right:0;left:0;height:4px;
  background:linear-gradient(90deg,var(--navy-700),var(--blue-500),var(--gold-500));
}
.modal .modal-close{
  position:absolute;top:14px;left:14px;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--ink-400);
  background:var(--paper);transition:.15s;z-index:2;
}
.modal .modal-close:hover{background:var(--danger-50);color:var(--danger)}
.modal .modal-icon{
  width:60px;height:60px;border-radius:18px;margin:0 auto 18px;
  background:linear-gradient(145deg,var(--blue-100),var(--blue-50));color:var(--navy-700);
  display:flex;align-items:center;justify-content:center;
}
.modal .modal-icon svg.i{width:27px;height:27px}
.modal h3{margin:0 0 9px;font-family:var(--font-head);font-size:1.12rem;font-weight:700;color:var(--navy-800);text-align:center}
.modal p{margin:0 0 24px;color:var(--ink-600);font-size:.85rem;line-height:1.8;text-align:center}
.modal .row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.modal .btn-gold{flex:1;justify-content:center}
.modal .btn-line{flex:1;justify-content:center}

/* ===== نماذج (Forms) ===== */
.form-group{margin-bottom:16px;text-align:right}
.form-group label{display:block;font-family:var(--font-head);font-size:.78rem;font-weight:600;color:var(--ink-600);margin-bottom:6px}
.form-control{
  width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);transition:border-color .15s, box-shadow .15s;
  font-family:var(--font-body);
}
.form-control:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(47,168,218,.15)}
.form-control.error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(192,82,74,.12)}
.form-hint{font-size:.7rem;color:var(--ink-400);margin-top:5px}
.form-error{font-size:.74rem;color:var(--danger);margin-top:5px;font-weight:600}
.input-icon-wrap{position:relative}
.input-icon-wrap svg.i{
  position:absolute;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--ink-400);
}
.input-icon-wrap svg.i:first-child{right:13px}
.input-icon-wrap .form-control{padding-right:40px}

/* خطوة التأكيد */
.confirm-card{
  background:var(--blue-50);border:1.5px solid var(--blue-100);border-radius:var(--r-lg);
  padding:18px;display:flex;align-items:center;gap:14px;margin-bottom:18px;
}
.confirm-card .cc-av{
  width:46px;height:46px;border-radius:14px;background:linear-gradient(145deg,var(--navy-600),var(--navy-900));
  color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.confirm-card .cc-txt b{font-family:var(--font-head);font-size:.95rem;color:var(--navy-800);display:block}
.confirm-card .cc-txt span{font-size:.75rem;color:var(--ink-400);font-family:var(--font-num)}

/* ===== بنك الأسئلة ===== */
.quiz-setup{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;margin-bottom:20px;box-shadow:var(--sh-1);
}
.quiz-setup h3{margin:0 0 16px;font-family:var(--font-head);font-size:1rem;color:var(--navy-800)}
.filter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin-bottom:18px}
.question-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;margin-bottom:16px;box-shadow:var(--sh-1);
}
.q-text{font-family:var(--font-head);font-weight:600;font-size:1.02rem;margin-bottom:16px;line-height:1.8}
.q-options{display:flex;flex-direction:column;gap:10px}
.q-option{
  display:flex;align-items:center;gap:12px;padding:13px 16px;
  border:1.5px solid var(--line);border-radius:var(--r-md);cursor:pointer;
  transition:.18s var(--ease);background:var(--surface);
}
.q-option:hover{border-color:var(--blue-400);background:var(--blue-50)}
.q-option.selected{border-color:var(--blue-500);background:var(--blue-50);box-shadow:0 0 0 3px rgba(47,168,218,.12)}
.q-option.correct{border-color:var(--ok);background:var(--ok-50)}
.q-option.wrong{border-color:var(--danger);background:var(--danger-50)}
.q-option .opt-letter{
  width:30px;height:30px;border-radius:50%;background:var(--blue-50);color:var(--navy-700);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-weight:800;font-size:.8rem;flex-shrink:0;
}
.q-option.selected .opt-letter{background:var(--blue-500);color:#fff}
.q-option.correct .opt-letter{background:var(--ok);color:#fff}
.q-option.wrong .opt-letter{background:var(--danger);color:#fff}
.q-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.q-meta .qm{
  font-size:.66rem;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--paper);color:var(--ink-400);display:inline-flex;align-items:center;gap:5px;
}
.q-meta .qm svg.i{width:11px;height:11px}
.q-explanation{
  margin-top:14px;padding:14px 16px;background:var(--ok-50);border:1px solid rgba(63,160,110,.25);
  border-radius:var(--r-md);font-size:.82rem;color:#2c6a4d;line-height:1.8;
}
.quiz-timer{
  position:sticky;top:72px;z-index:60;background:var(--navy-800);color:#fff;
  border-radius:var(--r-pill);padding:8px 18px;display:inline-flex;align-items:center;gap:8px;
  box-shadow:var(--sh-3);font-family:var(--font-num);font-weight:700;font-size:.9rem;margin-bottom:18px;
}
.quiz-timer svg.i{width:16px;height:16px;color:var(--blue-400)}
.quiz-timer.warn{background:var(--danger);animation:pulse 1s infinite}
.quiz-result{
  background:var(--surface);border-radius:var(--r-xl);padding:40px;text-align:center;
  box-shadow:var(--sh-3);border:1px solid var(--line);
}
.quiz-result .score-ring{
  width:130px;height:130px;border-radius:50%;margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  background:conic-gradient(var(--navy-700) calc(var(--score)*1%), var(--blue-50) 0);
  position:relative;
}
.quiz-result .score-ring::after{
  content:"";position:absolute;inset:12px;border-radius:50%;background:var(--surface);
}
.quiz-result .score-ring b{
  position:relative;z-index:1;font-family:var(--font-num);font-size:2rem;font-weight:800;color:var(--navy-800);
}
.quiz-result h3{margin:0 0 8px;font-family:var(--font-head);font-size:1.2rem;color:var(--navy-800)}
.quiz-result p{margin:0;color:var(--ink-600);font-size:.85rem}

/* ===== النقاط ===== */
.points-hero{
  background:linear-gradient(135deg,var(--gold-500),var(--gold-600));
  border-radius:var(--r-xl);padding:28px 32px;color:#fff;margin-bottom:26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;box-shadow:var(--sh-3);
}
.points-hero .ph-bal{font-family:var(--font-num);font-size:2.2rem;font-weight:800}
.points-hero .ph-label{font-size:.78rem;opacity:.9}
.code-input{display:flex;gap:10px}
.code-input .form-control{flex:1;font-family:var(--font-num);letter-spacing:.2em;text-align:center}

/* ===== لوحة التحكم الإدارية ===== */
.admin-shell{display:flex;min-height:calc(100vh - 65px)}
.admin-sidebar{
  width:220px;flex-shrink:0;background:var(--navy-900);color:#fff;
  padding:20px 12px;display:flex;flex-direction:column;gap:2px;position:sticky;top:65px;height:calc(100vh - 65px);
}
.admin-sidebar .as-brand{display:flex;align-items:center;gap:10px;padding:0 10px 18px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:12px}
.admin-sidebar .as-brand svg{width:30px;height:30px}
.admin-sidebar .as-brand b{font-family:var(--font-head);font-size:.9rem}
.admin-sidebar .as-brand small{display:block;font-size:.65rem;color:var(--blue-400);font-weight:400}
.admin-nav-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);
  color:rgba(255,255,255,.65);font-weight:600;font-size:.84rem;cursor:pointer;transition:.15s;
}
.admin-nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.admin-nav-item.active{background:rgba(47,168,218,.18);color:var(--blue-400)}
.admin-nav-item svg.i{width:17px;height:17px}
.admin-main{flex:1;padding:26px 28px 60px;min-width:0}
.admin-table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.admin-table{width:100%;border-collapse:collapse;font-size:.82rem}
.admin-table th{
  background:var(--paper);font-family:var(--font-head);font-weight:700;font-size:.72rem;
  color:var(--ink-400);padding:12px 14px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap;
}
.admin-table td{padding:11px 14px;border-bottom:1px solid var(--line);color:var(--ink-600);vertical-align:middle}
.admin-table tr:last-child td{border-bottom:none}
.admin-table tr:hover td{background:var(--blue-50)}
.admin-table .num{font-family:var(--font-num)}
.status-badge{display:inline-flex;align-items:center;gap:5px;font-size:.68rem;font-weight:700;padding:3px 11px;border-radius:var(--r-pill)}
.status-badge.ok{background:var(--ok-50);color:var(--ok)}
.status-badge.warn{background:var(--warn-50);color:var(--warn)}
.status-badge.danger{background:var(--danger-50);color:var(--danger)}
.status-badge.blue{background:var(--blue-100);color:var(--navy-700)}
.admin-actions{display:flex;gap:6px}
.admin-actions button{
  padding:5px 10px;border-radius:8px;font-size:.68rem;font-weight:700;
  background:var(--blue-50);color:var(--navy-700);transition:.15s;
}
.admin-actions button:hover{background:var(--navy-700);color:#fff}
.admin-actions button.danger{background:var(--danger-50);color:var(--danger)}
.admin-actions button.danger:hover{background:var(--danger);color:#fff}
.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.admin-stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;display:flex;align-items:center;gap:14px;box-shadow:var(--sh-1);
}
.admin-stat .as-ic{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.admin-stat:nth-child(1) .as-ic{background:var(--blue-100);color:var(--navy-600)}
.admin-stat:nth-child(2) .as-ic{background:var(--gold-100);color:var(--gold-600)}
.admin-stat:nth-child(3) .as-ic{background:var(--teal-100);color:var(--teal-600)}
.admin-stat:nth-child(4) .as-ic{background:var(--rose-100);color:var(--rose-600)}
.admin-stat .as-txt b{font-family:var(--font-num);font-size:1.4rem;font-weight:800;color:var(--ink-900);display:block;line-height:1.2}
.admin-stat .as-txt span{font-size:.7rem;color:var(--ink-400);font-weight:700}

/* ===== الحماية (نافذة تحذير DevTools) ===== */
.devtools-warning{
  position:fixed;inset:0;z-index:999;background:rgba(2,18,34,.95);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;color:#fff;text-align:center;padding:30px;
}
.devtools-warning svg.i{width:54px;height:54px;color:var(--danger)}
.devtools-warning h2{font-family:var(--font-head);font-size:1.3rem}
.devtools-warning p{font-size:.86rem;color:#bbb;max-width:380px}

/* ===== العلامة المائية ===== */
.watermark-layer{
  position:fixed;inset:0;pointer-events:none;z-index:50;
  display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:200px;
  gap:0;transform:rotate(-24deg) scale(1.3);
}
.watermark-item{
  display:flex;align-items:center;justify-content:center;
  color:rgba(47,168,218,.07);font-family:var(--font-head);font-weight:700;font-size:1.3rem;
  text-align:center;letter-spacing:.5px;
}

/* ===== PDF viewer ===== */
.pdf-viewer{
  background:#1a2530;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);
  padding:20px;display:flex;flex-direction:column;gap:14px;align-items:center;
}
.pdf-page{
  max-width:100%;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.4);
  position:relative;user-select:none;-webkit-user-select:none;
}
.pdf-page img{max-width:100%;display:block;border-radius:8px}
.pdf-nav{display:flex;align-items:center;gap:12px;color:#fff;font-family:var(--font-num)}

/* ===== التوست (Toast) ===== */
.toast-container{position:fixed;bottom:24px;right:50%;transform:translateX(50%);z-index:400;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{
  background:var(--navy-900);color:#fff;padding:12px 24px;border-radius:var(--r-pill);
  font-size:.82rem;font-weight:700;box-shadow:var(--sh-4);display:flex;align-items:center;gap:9px;
  opacity:0;transform:translateY(12px);transition:.3s var(--ease);max-width:90vw;
}
.toast.show{opacity:1;transform:translateY(0)}
.toast svg.i{width:17px;height:17px}
.toast.success{background:var(--ok)}
.toast.error{background:var(--danger)}
.toast.info{background:var(--navy-800)}
.toast.warn{background:var(--gold-600)}

/* ===== حالات التحميل ===== */
.loading-screen{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:80px 20px;color:var(--ink-400);
}
.spinner{
  width:40px;height:40px;border-radius:50%;
  border:3px solid var(--blue-100);border-top-color:var(--blue-500);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state{
  grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--ink-400);
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg.i{width:40px;height:40px;margin-bottom:10px;color:var(--blue-400)}
.empty-state p{font-size:.86rem;font-weight:600}

/* ===== صفحة المحتوى (بنك/دورة/ملفات) ===== */
.content-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:16px}
.file-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;display:flex;flex-direction:column;gap:12px;cursor:pointer;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.file-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.file-card .fc-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--rose-100);color:var(--rose-600);
}
.file-card .fc-icon svg.i{width:21px;height:21px}
.file-card .fc-icon.pdf{background:var(--danger-50);color:var(--danger)}
.file-card .fc-icon.bank{background:var(--blue-100);color:var(--navy-700)}
.file-card .fc-icon.course{background:var(--gold-100);color:var(--gold-600)}
.file-card h4{margin:0;font-family:var(--font-head);font-size:.9rem;color:var(--ink-900)}
.file-card p{margin:0;font-size:.74rem;color:var(--ink-400)}

/* ===== الاستجابة ===== */
@media(max-width:920px){
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .admin-stats{grid-template-columns:repeat(2,1fr)}
  .hero{flex-direction:column;align-items:flex-start;text-align:right;padding:26px}
  main{padding:24px 16px 90px}
  .admin-main{padding:20px 16px 90px}
  .admin-sidebar{width:64px;padding:16px 8px}
  .admin-sidebar .as-brand b,.admin-sidebar .as-brand small,.admin-nav-item span{display:none}
  .admin-nav-item{justify-content:center;padding:10px}
}
@media(max-width:860px){
  aside.sidebar{
    position:fixed;bottom:0;right:0;left:0;top:auto;width:auto;height:68px;
    flex-direction:row;align-items:center;justify-content:space-around;
    padding:6px 8px;z-index:150;
    border-inline-start:none;border-top:1px solid var(--line);
    background:rgba(255,255,255,.94);backdrop-filter:blur(18px);
    box-shadow:0 -8px 28px rgba(5,35,60,.10);
  }
  .side-avatar,.side-label,.sidebar-foot{display:none}
  .nav-item{flex-direction:column;gap:3px;font-size:.6rem;padding:6px 4px;flex:1;justify-content:center;text-align:center}
  .nav-item svg.i{width:21px;height:21px}
  .nav-item.active::after{display:none}
  .nav-item.active{background:var(--blue-50)}
  .nav-item .badge{display:none}
  .topbar{flex-wrap:wrap;gap:8px}
  .brand-text small{display:none}
}
@media(max-width:520px){
  .grid{grid-template-columns:1fr}
  .stats-strip{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat-card{padding:13px 14px;gap:10px}
  .stat-card .ic{width:36px;height:36px}
  .stat-card .sc-txt b{font-size:1.2rem}
  .controls-row{flex-direction:column;align-items:stretch}
  .seg{justify-content:stretch;width:100%}
  .seg button{flex:1;justify-content:center}
  .filters{width:100%;justify-content:space-between}
  .filters .chip{flex:1;text-align:center}
  .admin-stats{grid-template-columns:repeat(2,1fr)}
  .points-hero{flex-direction:column;align-items:flex-start}
  .code-input{width:100%;flex-direction:column}
  .filter-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
</｜｜DSML｜｜>