/* ===== منصّة التعلّم — هوية بصرية فخمة (Indigo/Teal Dark) ===== */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --bg:#0a0e17;
  --card:#131a2b;
  --card-2:#161f35;
  --card-border:#232c42;
  --text:#f1f3f9;
  --muted:#8b93a7;
  --primary:#6366f1;
  --primary-dark:#4f46e5;
  --primary-light:#818cf8;
  --accent:#14b8a6;
  --danger:#ef4444;
  --success:#10b981;
  --warning:#f59e0b;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 50px -14px rgba(0,0,0,.6);
  --glow:0 10px 26px -8px rgba(99,102,241,.55);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(circle at 12% -8%, rgba(99,102,241,.20), transparent 42%),
    radial-gradient(circle at 100% 0%, rgba(20,184,166,.14), transparent 38%),
    linear-gradient(180deg,#070a11,#0a0e17 45%,#090c14);
  background-attachment:fixed;
  color:var(--text);
  font-family:"Tajawal","Inter",system-ui,-apple-system,Arial,sans-serif;
  min-height:100vh;
  direction:rtl;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(99,102,241,.35);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--card-border);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--primary)}

.wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.card{
  width:100%;
  max-width:420px;
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,0) 40%),var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
  padding:34px 28px;
}
.brand{
  text-align:center;
  margin-bottom:24px;
}
.brand h1{
  font-size:23px;
  font-weight:800;
  margin:0 0 6px;
  background:linear-gradient(90deg,#fff,#cfd3ff);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.brand p{
  color:var(--muted);
  margin:0;
  font-size:14px;
}
.field{margin-bottom:17px}
.field label{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-bottom:7px;
  font-weight:600;
}
.field input,.field select{
  width:100%;
  padding:13px 15px;
  border-radius:var(--radius-sm);
  border:1px solid var(--card-border);
  background:#0d1220;
  color:var(--text);
  font-size:15px;
  font-family:inherit;
  outline:none;
  transition:border-color .18s,box-shadow .18s;
}
.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.18)}
.btn{
  width:100%;
  padding:14px 16px;
  border:none;
  border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  font-size:15px;
  font-weight:700;
  font-family:inherit;
  cursor:pointer;
  box-shadow:var(--glow);
  transition:transform .15s,box-shadow .15s,opacity .15s,filter .15s;
}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 30px -8px rgba(99,102,241,.65)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn.secondary{background:transparent;border:1px solid var(--card-border);color:var(--text);box-shadow:none}
.btn.secondary:hover{border-color:var(--primary);background:rgba(99,102,241,.08);filter:none;box-shadow:none}
.alert{
  padding:13px 15px;
  border-radius:var(--radius-sm);
  font-size:14px;
  margin-bottom:16px;
  line-height:1.6;
  border:1px solid transparent;
}
.alert.error{background:rgba(239,68,68,.12);color:#ff9d9d;border-color:rgba(239,68,68,.3)}
.alert.success{background:rgba(16,185,129,.12);color:#7be8c4;border-color:rgba(16,185,129,.3)}
.switch{
  text-align:center;
  margin-top:20px;
  font-size:14px;
  color:var(--muted);
}
.switch a{color:var(--primary-light);text-decoration:none;font-weight:700}
.switch a:hover{text-decoration:underline}
.role-tabs{
  display:flex;
  gap:8px;
  margin-bottom:20px;
  background:#0d1220;
  border:1px solid var(--card-border);
  border-radius:var(--radius-sm);
  padding:4px;
}
.role-tabs button{
  flex:1;
  padding:9px;
  border:none;
  background:transparent;
  color:var(--muted);
  border-radius:8px;
  font-size:14px;
  font-family:inherit;
  cursor:pointer;
  font-weight:700;
  transition:background .15s,color .15s;
}
.role-tabs button.active{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}
.hint{font-size:12px;color:var(--muted);margin-top:7px}

/* ===== لوحات التحكم (طالب/مدرس/أدمن) ===== */
.app{min-height:100vh;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 20px;background:rgba(19,26,43,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--card-border);
  position:sticky;top:0;z-index:20;
}
.topbar .brandline{display:flex;align-items:center;gap:10px}
.topbar .brandline h1{font-size:16px;font-weight:800;margin:0}
.topbar .brandline span{font-size:12px;color:var(--muted)}
.topbar .userbox{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.iconbtn{background:transparent;border:1px solid var(--card-border);color:var(--text);border-radius:8px;padding:8px 13px;font-family:inherit;cursor:pointer;font-size:13px;font-weight:600;transition:border-color .15s,background .15s}
.iconbtn:hover{border-color:var(--primary);background:rgba(99,102,241,.08)}
.container{max-width:1080px;margin:0 auto;padding:20px;width:100%}
.tabs{display:flex;gap:4px;overflow-x:auto;margin-bottom:20px;padding-bottom:0;border-bottom:1px solid var(--card-border)}
.tabs button{white-space:nowrap;background:transparent;border:none;color:var(--muted);padding:11px 16px;font-size:14px;font-family:inherit;font-weight:700;cursor:pointer;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.tabs button:hover{color:var(--text)}
.tabs button.active{color:#fff;border-bottom-color:var(--primary)}
.panel{display:none}
.panel.active{display:block;animation:fadein .25s ease}
@keyframes fadein{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:10px;flex-wrap:wrap}
.section-title h2{font-size:17px;font-weight:800;margin:0}
.btn.sm{width:auto;padding:9px 15px;font-size:13px;box-shadow:none}
.btn.sm:hover{box-shadow:0 8px 18px -6px rgba(99,102,241,.55)}
.btn.danger{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 8px 20px -8px rgba(239,68,68,.55)}
.btn.danger:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;border:1px solid var(--card-border);box-shadow:none;color:var(--text)}
.btn.ghost:hover{border-color:var(--primary);filter:none;transform:none}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.tile{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0) 45%),var(--card);
  border:1px solid var(--card-border);border-radius:var(--radius);padding:18px;
  transition:transform .18s,border-color .18s;
}
.tile::before{content:'';position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.tile:hover{transform:translateY(-2px);border-color:#2e3958}
.tile h3{margin:0 0 8px;font-size:13px;color:var(--muted);font-weight:600}
.tile .num{font-size:28px;font-weight:800;background:linear-gradient(90deg,var(--primary-light),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.list{display:flex;flex-direction:column;gap:10px}
.row-card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:15px 17px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  transition:border-color .18s,transform .18s;
}
.row-card:hover{border-color:#2e3958;transform:translateY(-1px)}
.row-card .meta{font-size:12px;color:var(--muted);margin-top:4px}
.row-card .actions{display:flex;gap:8px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;font-size:11px;font-weight:800}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.active{background:rgba(16,185,129,.14);color:#5eead4}
.badge.suspended{background:rgba(239,68,68,.14);color:#ff9d9d}
.badge.pending{background:rgba(245,158,11,.14);color:#fcd34d}
.badge.draft{background:rgba(139,147,167,.14);color:#cbd5e1}
.badge.published{background:rgba(99,102,241,.16);color:#b4b7ff}
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data th,table.data td{padding:12px 10px;text-align:right;border-bottom:1px solid var(--card-border)}
table.data th{color:var(--muted);font-weight:700;font-size:12px}
table.data tbody tr{transition:background .15s}
table.data tbody tr:hover{background:rgba(99,102,241,.05)}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius)}
.empty{text-align:center;color:var(--muted);padding:44px 10px;font-size:14px}
.modal-backdrop{position:fixed;inset:0;background:rgba(4,6,12,.72);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:24px;max-width:460px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow)}
.modal h3{margin-top:0;font-weight:800}
.code-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.code-chip{font-family:"Inter",monospace;font-size:13px;background:#0d1220;border:1px solid var(--card-border);border-radius:8px;padding:7px 11px;display:flex;align-items:center;gap:6px;letter-spacing:.5px}
.code-chip.used{opacity:.5;text-decoration:line-through}
.course-cover{width:100%;aspect-ratio:16/9;background:#0d1220;border-radius:var(--radius-sm);object-fit:cover;margin-bottom:10px;border:1px solid var(--card-border)}
.section-block{background:#0d1220;border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:13px;margin-bottom:10px}
.lesson-row{display:flex;align-items:center;justify-content:space-between;padding:9px 0;border-top:1px solid var(--card-border)}
.lesson-row:first-of-type{border-top:none}
.spinner{display:inline-block;width:17px;height:17px;border:2px solid rgba(255,255,255,.2);border-top-color:var(--primary-light);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.video-wrap{position:relative;width:100%;background:#000;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow)}
.video-wrap video{width:100%;display:block;max-height:70vh}
.watermark{position:absolute;pointer-events:none;color:rgba(255,255,255,.55);font-size:12px;font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,.9);white-space:nowrap;transition:top 4s linear,right 4s linear;user-select:none}
.back-link{display:inline-block;margin-bottom:14px;color:var(--muted);text-decoration:none;font-size:13px;font-weight:600;transition:color .15s}
.back-link:hover{color:var(--primary-light)}
textarea{width:100%;padding:13px 15px;border-radius:var(--radius-sm);border:1px solid var(--card-border);background:#0d1220;color:var(--text);font-size:14px;font-family:inherit;resize:vertical;min-height:90px;outline:none;transition:border-color .18s,box-shadow .18s}
textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.18)}
@media (max-width:640px){
  .row-card{flex-direction:column;align-items:flex-start}
  .topbar .userbox span.hide-sm{display:none}
}


/* =========================================================
   ADMIN 2026 — لوحة تحكم حديثة مستوحاة من أسلوب المرجع
   لا تؤثر على لوحات الطالب/المدرس.
   ========================================================= */
.admin-page{
  --admin-bg:#f5f7fb;
  --admin-card:#ffffff;
  --admin-border:#e7eaf2;
  --admin-text:#202338;
  --admin-muted:#7a8094;
  --admin-purple:#6737e8;
  --admin-purple-2:#7b4cff;
  --admin-purple-soft:#f0ebff;
  --admin-green:#1db77a;
  background:var(--admin-bg);
  color:var(--admin-text);
}
.admin-page .app{min-height:100vh;background:var(--admin-bg)}
.admin-topbar{
  height:72px;background:#fff;border-bottom:1px solid var(--admin-border);
  display:flex;align-items:center;justify-content:space-between;padding:0 28px;
  position:sticky;top:0;z-index:80;box-shadow:0 4px 20px rgba(39,33,72,.04)
}
.admin-topbar-right,.admin-topbar-left{display:flex;align-items:center;gap:14px}
.admin-brand{display:flex;align-items:center;gap:11px}
.admin-brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--admin-purple),#8c63ff);color:#fff;display:grid;place-items:center;font-weight:900;font-size:22px;box-shadow:0 8px 20px rgba(103,55,232,.22)}
.admin-brand strong{display:block;font-size:15px;letter-spacing:.7px}
.admin-brand span{display:block;font-size:11px;color:var(--admin-muted);margin-top:2px}
.admin-user{display:flex;align-items:center;gap:8px}
.admin-user small,.admin-user strong{display:block}
.admin-user small{font-size:10px;color:var(--admin-muted)}
.admin-user strong{font-size:12px}
.admin-user-dot{width:9px;height:9px;border-radius:50%;background:var(--admin-green);box-shadow:0 0 0 4px #e6f8f0}
.admin-page .iconbtn{background:#fff;color:var(--admin-text);border:1px solid var(--admin-border);border-radius:10px;padding:9px 14px}
.admin-page .iconbtn:hover{border-color:#cfc4f7;background:#faf8ff}
.mobile-menu-btn{display:none;border:1px solid var(--admin-border);background:#fff;border-radius:10px;width:40px;height:40px;font-size:20px;color:var(--admin-text)}
.admin-layout{display:flex;min-height:calc(100vh - 72px)}
.admin-sidebar{
  width:248px;flex:0 0 248px;background:#fff;border-left:1px solid var(--admin-border);
  padding:20px 14px;position:sticky;top:72px;height:calc(100vh - 72px);display:flex;flex-direction:column;z-index:70
}
.sidebar-head{display:flex;justify-content:space-between;align-items:center;padding:4px 8px 14px}
.sidebar-title{font-size:13px;font-weight:800;color:#363a50}
.sidebar-close{display:none;border:0;background:transparent;font-size:26px;color:#777}
.admin-nav{display:flex;flex-direction:column;gap:5px}
.admin-nav .tab-btn{
  border:0;background:transparent;color:#777d91;width:100%;display:flex;align-items:center;gap:11px;
  padding:12px 12px;border-radius:11px;font:700 13px "Tajawal","Inter",sans-serif;cursor:pointer;text-align:right;transition:.18s
}
.admin-nav .tab-btn:hover{background:#f7f5ff;color:var(--admin-purple)}
.admin-nav .tab-btn.active{background:var(--admin-purple-soft);color:var(--admin-purple)}
.nav-ico{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:#f7f8fc;color:#7d8498;font-size:13px}
.admin-nav .active .nav-ico{background:#fff;color:var(--admin-purple);box-shadow:0 4px 12px rgba(103,55,232,.10)}
.sidebar-foot{margin-top:auto;font-size:10px;line-height:1.7;color:#a1a6b5;padding:12px 9px;border-top:1px solid var(--admin-border)}
.sidebar-overlay{display:none}
.admin-main{flex:1;min-width:0;padding:28px 30px 42px}
.admin-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}
.admin-heading h1{font-size:25px;margin:3px 0 4px;font-weight:800;color:#252941}
.admin-heading p{margin:0;color:var(--admin-muted);font-size:13px}
.eyebrow{font-size:10px;font-weight:800;letter-spacing:1.2px;color:var(--admin-purple)}
.admin-heading-badge{padding:8px 12px;border-radius:10px;background:#fff;border:1px solid var(--admin-border);font-size:11px;color:#747a8d;font-weight:800}
.admin-page .panel{display:none}.admin-page .panel.active{display:block}
.admin-stat-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:13px;margin-bottom:18px}
.admin-stat-card{background:#fff;border:1px solid var(--admin-border);border-radius:15px;padding:16px;display:flex;align-items:center;gap:12px;min-width:0;box-shadow:0 6px 18px rgba(39,33,72,.035)}
.stat-icon{width:38px;height:38px;border-radius:11px;background:#f2eeff;color:var(--admin-purple);display:grid;place-items:center;font-weight:900}
.stat-label{font-size:11px;color:var(--admin-muted);white-space:nowrap}
.stat-num{font-size:22px;font-weight:900;color:#292d42;margin-top:2px}
.admin-overview-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.8fr);gap:18px}
.admin-chart-card{background:#fff;border:1px solid var(--admin-border);border-radius:17px;padding:20px;box-shadow:0 6px 18px rgba(39,33,72,.035)}
.chart-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:22px}
.chart-head h2{font-size:16px;margin:0 0 4px}.chart-head span{font-size:11px;color:var(--admin-muted)}
.chart-pill{background:#edf9f4!important;color:#19a66e!important;border-radius:99px;padding:5px 8px;font-size:9px!important;font-weight:900}
.bar-chart{display:flex;flex-direction:column;gap:17px}
.bar-label{display:flex;justify-content:space-between;margin-bottom:7px;font-size:11px;color:#70768a}.bar-label b{color:#303449}
.bar-track{height:10px;border-radius:99px;background:#f0f1f6;overflow:hidden}
.bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,#8c6aff,#6b3ce8)}.bar-fill.students{background:linear-gradient(90deg,#8a69ff,#6737e8)}.bar-fill.teachers{background:linear-gradient(90deg,#56c9b0,#18ae7a)}.bar-fill.courses{background:linear-gradient(90deg,#73a9ff,#4781e7)}.bar-fill.enrollments{background:linear-gradient(90deg,#ffc66c,#f09a28)}
.quick-actions{display:flex;flex-direction:column;gap:9px}
.quick-actions .chart-head{margin-bottom:5px}
.quick-action{width:100%;border:1px solid #eef0f5;background:#fbfbfd;border-radius:12px;padding:11px;display:flex;align-items:center;gap:10px;text-align:right;cursor:pointer;color:var(--admin-text);font-family:inherit}
.quick-action:hover{border-color:#d9cffb;background:#faf8ff}
.quick-action>span{width:32px;height:32px;border-radius:9px;background:#f0ebff;color:var(--admin-purple);display:grid;place-items:center}
.quick-action div{flex:1}.quick-action b,.quick-action small{display:block}.quick-action b{font-size:12px}.quick-action small{font-size:10px;color:var(--admin-muted);margin-top:2px}.quick-action i{font-style:normal;color:#9ba0b0}
.teacher-list-head{margin-bottom:16px}.teacher-list-head h2{font-size:19px;margin-bottom:4px}
.teacher-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.teacher-card{border:1px solid var(--admin-border);background:#fff;border-radius:17px;padding:17px;text-align:right;cursor:pointer;font-family:inherit;color:var(--admin-text);box-shadow:0 6px 18px rgba(39,33,72,.035);transition:.18s}
.teacher-card:hover{transform:translateY(-2px);border-color:#d6cbfa;box-shadow:0 12px 28px rgba(75,47,145,.09)}
.teacher-card-top{display:flex;align-items:center;gap:11px}.teacher-avatar{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#eee8ff,#d9ccff);color:#6033d9;display:grid;place-items:center;font-weight:900;font-size:17px;flex:0 0 auto}.teacher-avatar.large{width:52px;height:52px;font-size:20px}
.teacher-main{min-width:0;flex:1}.teacher-main strong{display:block;font-size:14px}.teacher-main span{display:block;font-size:11px;color:var(--admin-muted);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.teacher-chevron{font-size:23px;color:#a1a5b4}.teacher-card-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:15px 0 12px}.teacher-card-stats div{background:#f8f9fc;border-radius:10px;padding:9px;text-align:center}.teacher-card-stats b,.teacher-card-stats span{display:block}.teacher-card-stats b{font-size:13px}.teacher-card-stats span{font-size:9px;color:var(--admin-muted);margin-top:3px}.text-success{color:#18a56f}.text-danger{color:#e05656}.teacher-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.teacher-hint{font-size:10px;color:#8d92a3}
.admin-page .row-card,.admin-page .tile,.admin-page .table-wrap,.admin-page .card{background:#fff;border-color:var(--admin-border);box-shadow:0 6px 18px rgba(39,33,72,.035);color:var(--admin-text)}
.admin-page .row-card .meta,.admin-page .meta{color:var(--admin-muted)}
.admin-page .btn{background:linear-gradient(135deg,var(--admin-purple-2),var(--admin-purple));box-shadow:0 8px 18px rgba(103,55,232,.18)}
.admin-page .btn.ghost{background:#fff;border-color:var(--admin-border);color:#4d5266;box-shadow:none}
.admin-page .btn.danger{background:linear-gradient(135deg,#f06a6a,#dd4545)}
.admin-form-card{max-width:620px!important;margin:0!important}.admin-page .field input,.admin-page .field select,.admin-page textarea{background:#fbfbfd;border-color:var(--admin-border);color:var(--admin-text)}
.admin-page .field label{color:#686e82}
.modal-wide{max-width:900px!important;width:min(900px,96vw)!important;padding:22px!important;background:#fff!important;color:var(--admin-text)}
.detail-top{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--admin-border);padding-bottom:16px}.detail-teacher{display:flex;align-items:center;gap:12px}.detail-teacher h2{margin:2px 0;font-size:19px}.detail-teacher p{margin:0;color:var(--admin-muted);font-size:11px}.detail-close{border:1px solid var(--admin-border);background:#fff;border-radius:9px;width:36px;height:36px;font-size:22px;color:#707588;cursor:pointer}
.detail-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:15px 0}.detail-stats>div{background:#f8f8fc;border:1px solid #eef0f5;border-radius:11px;padding:11px}.detail-stats b,.detail-stats span{display:block}.detail-stats b{font-size:16px}.detail-stats span{font-size:10px;color:var(--admin-muted);margin-top:2px}
.detail-toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:18px 0 12px}.detail-toolbar h3{margin:0;font-size:15px}.detail-toolbar small{color:var(--admin-muted);font-size:10px}.teacher-search{display:flex;align-items:center;gap:6px;border:1px solid var(--admin-border);border-radius:11px;background:#fbfbfd;padding:4px 5px 4px 10px;min-width:min(430px,100%)}.teacher-search span{color:#9aa0b0}.teacher-search input{border:0;outline:0;background:transparent;flex:1;font-family:inherit;font-size:11px;color:var(--admin-text);min-width:0}.teacher-search button{border:0;background:var(--admin-purple);color:#fff;border-radius:8px;padding:8px 12px;font-family:inherit;font-weight:800;font-size:10px;cursor:pointer}
.course-detail-list{display:flex;flex-direction:column;gap:11px;max-height:54vh;overflow:auto;padding-left:2px}.course-detail-card{border:1px solid var(--admin-border);border-radius:13px;background:#fff;overflow:hidden}.course-detail-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 14px;background:#fbfbfd;border-bottom:1px solid var(--admin-border)}.course-detail-head h4{margin:4px 0 2px;font-size:13px}.course-detail-head p{margin:0;font-size:10px;color:var(--admin-muted)}.course-status{font-size:9px;background:#f0f1f5;color:#7c8292;padding:4px 7px;border-radius:99px}.course-status.published{background:#ecf8f2;color:#18a36d}.course-teacher-label{font-size:10px;color:#777d91}.student-mini-list{padding:3px 13px}.student-mini{display:flex;align-items:center;gap:9px;padding:10px 0;border-bottom:1px solid #f0f1f5}.student-mini:last-child{border-bottom:0}.student-mini-avatar{width:30px;height:30px;border-radius:9px;background:#f0ebff;color:var(--admin-purple);display:grid;place-items:center;font-size:11px;font-weight:900}.student-mini-main{min-width:0;flex:1}.student-mini-main b,.student-mini-main span{display:block}.student-mini-main b{font-size:11px}.student-mini-main span{font-size:9px;color:var(--admin-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.student-mini-meta{text-align:left}.student-mini-meta small{display:block;color:#9aa0b0;font-size:8px;margin-top:3px}.detail-empty{text-align:center;padding:25px;color:var(--admin-muted);font-size:11px}
.course-requests{padding:10px 13px;background:#fffaf0;border-bottom:1px solid var(--admin-border);display:flex;flex-direction:column;gap:8px}.course-requests-title{font-size:11px;font-weight:800;color:#b8790a}.course-requests .row-card{padding:9px 11px}
.admin-page .modal-backdrop{background:rgba(28,24,45,.35);backdrop-filter:blur(4px)}
.admin-page .modal{border-color:var(--admin-border);box-shadow:0 30px 80px rgba(39,33,72,.18)}
.admin-page .empty{color:var(--admin-muted)}
@media (max-width:1150px){.admin-stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.admin-overview-grid{grid-template-columns:1fr}.teacher-grid{grid-template-columns:1fr}}
/* شاشات لابتوب متوسطة (900-1150px): السايدبار يفضل ظاهر وثابت بس بعرض أضيق، بدل ما يتزنق مع المحتوى */
@media (max-width:1150px) and (min-width:961px){
  .admin-sidebar{width:210px;flex-basis:210px;padding:16px 10px}
  .nav-ico{width:24px;height:24px;font-size:12px}
  .admin-nav .tab-btn{font-size:12.5px;padding:9px 8px}
}
/* من هنا لحد 960px بيتحول السايدبار لدرج منزلق (drawer) بدل الوضع الثابت جنب المحتوى -
   العرض ده موسّع عن كده عشان يغطي شاشات اللابتوب الصغيرة أو المتصفح لما يكون مش full screen */
@media (max-width:960px){
  .admin-topbar{height:64px;padding:0 14px}
  .admin-layout{min-height:calc(100vh - 64px)}
  .admin-sidebar{position:fixed;right:-280px;top:0;height:100vh;width:280px;max-width:82vw;flex-basis:280px;box-shadow:-20px 0 60px rgba(25,20,55,.22);transition:right .22s ease;z-index:100}
  .admin-sidebar.open{right:0}
  .sidebar-close{display:block}
  .sidebar-overlay.show{display:block;position:fixed;inset:0;background:rgba(20,17,30,.45);z-index:90;cursor:pointer}
  .mobile-menu-btn{display:block}
  .admin-topbar-left .admin-user{display:none}
  .admin-main{padding:20px 14px 30px}
  .admin-heading{margin-bottom:18px}
  .admin-heading h1{font-size:21px}
  .admin-heading-badge{display:none}
  .admin-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .admin-stat-card{padding:12px}
  .stat-num{font-size:19px}
  .stat-icon{width:34px;height:34px}
  .detail-toolbar{align-items:stretch;flex-direction:column}
  .teacher-search{min-width:0;width:100%}
  .modal-wide{max-height:90vh;overflow:auto}
}
@media (max-width:820px){
  /* محتفظين بالحد ده لأي تفاصيل إضافية مستقبلًا لو احتجنا نفرّق بين تابلت وموبايل */
}
body.admin-drawer-open{overflow:hidden}
@media (max-width:520px){
  .admin-brand span{display:none}.admin-brand strong{font-size:13px}.admin-topbar-left .iconbtn{padding:8px 10px;font-size:11px}.admin-heading h1{font-size:19px}.admin-heading p{font-size:11px}.admin-stat-grid{grid-template-columns:repeat(2,1fr)}.admin-stat-card{gap:8px}.stat-label{font-size:9px}.stat-num{font-size:17px}.teacher-card{padding:14px}.teacher-card-stats{margin:12px 0 9px}.detail-stats b{font-size:14px}.course-detail-head{align-items:flex-start;flex-direction:column}.course-teacher-label{align-self:flex-start}.student-mini{flex-wrap:wrap}.student-mini-meta{display:flex;align-items:center;gap:6px;width:100%;justify-content:flex-end;text-align:right}.student-mini-meta small{display:none}}

.admin-page .modal.modal-shell-wide{max-width:930px!important;width:min(930px,96vw)!important;padding:0!important;background:#fff!important}
.course-student-slot{padding:12px 14px;background:#fff}
.course-student-slot .btn{width:auto}
.student-pager{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 0 4px;border-top:1px solid #f0f1f5;margin-top:4px;font-size:10px;color:var(--admin-muted)}
.student-pager .btn[disabled]{opacity:.45;cursor:not-allowed}
@media (max-width:520px){
  .course-student-slot{padding:10px 12px}
  .student-pager{gap:6px;flex-wrap:wrap}
  .student-pager span{width:100%;text-align:center;order:-1}
}
.course-title-link{font:inherit;font-weight:800;padding:0;border:0;background:none;cursor:pointer;text-align:right;color:inherit}.course-title-link:hover{text-decoration:underline}


/* =========================================================
   ADMIN 2026 PREMIUM UI — visual layer only
   Scope: .admin-page only. No API / data / student / teacher logic.
   ========================================================= */
.admin-page{
  --admin-bg:#f4f6fb;
  --admin-card:#ffffff;
  --admin-border:#e8eaf2;
  --admin-text:#202338;
  --admin-muted:#7d8397;
  --admin-purple:#6d3ff0;
  --admin-purple-2:#8457ff;
  --admin-purple-soft:#f1edff;
  --admin-green:#20b985;
  --admin-shadow:0 10px 34px rgba(34,27,74,.055);
  --admin-shadow-hover:0 18px 48px rgba(67,43,143,.11);
}

/* Topbar */
.admin-page .admin-topbar{
  height:76px;
  padding:0 30px;
  background:rgba(255,255,255,.88);
  border-bottom:1px solid rgba(228,230,240,.9);
  box-shadow:0 8px 30px rgba(31,26,65,.055);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.admin-page .admin-topbar::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(109,63,240,.22),transparent);
}
.admin-page .admin-brand{gap:12px}
.admin-page .admin-brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(145deg,#7d4cff,#5d31dc);
  box-shadow:0 10px 26px rgba(109,63,240,.24);
  position:relative;
}
.admin-page .admin-brand-mark::after{
  content:"";position:absolute;inset:1px;border-radius:13px;
  border:1px solid rgba(255,255,255,.2);pointer-events:none;
}
.admin-page .admin-brand strong{font-size:14px;letter-spacing:1px}
.admin-page .admin-brand span{font-size:10px}
.admin-page .admin-user{
  padding:7px 11px;border:1px solid #ececf3;border-radius:14px;
  background:rgba(250,250,253,.82);
}
.admin-page .admin-user-dot{width:8px;height:8px;box-shadow:0 0 0 4px #e9f8f2}
.admin-page .iconbtn{
  min-height:40px;border-radius:12px;font-weight:800;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.admin-page .iconbtn:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(40,34,76,.08)}
.admin-page .mobile-menu-btn{
  position:relative;display:none;border:1px solid #e6e7ef;background:#fff;
  border-radius:13px;width:42px;height:42px;padding:0;
  box-shadow:0 7px 20px rgba(35,30,75,.07);
  transition:.25s ease;cursor:pointer;
}
.admin-page .mobile-menu-btn span{
  position:absolute;width:18px;height:2px;border-radius:99px;
  background:#303449;left:50%;transform:translateX(-50%);
  transition:transform .28s ease,opacity .2s ease,top .28s ease;
}
.admin-page .mobile-menu-btn span:nth-child(1){top:13px}
.admin-page .mobile-menu-btn span:nth-child(2){top:20px}
.admin-page .mobile-menu-btn span:nth-child(3){top:27px}
.admin-page .mobile-menu-btn.is-open{background:var(--admin-purple-soft);border-color:#ddd2ff}
.admin-page .mobile-menu-btn.is-open span:nth-child(1){top:20px;transform:translateX(-50%) rotate(45deg)}
.admin-page .mobile-menu-btn.is-open span:nth-child(2){opacity:0;transform:translateX(-50%) scaleX(.3)}
.admin-page .mobile-menu-btn.is-open span:nth-child(3){top:20px;transform:translateX(-50%) rotate(-45deg)}

/* Layout + sidebar */
.admin-page .admin-layout{min-height:calc(100vh - 76px)}
.admin-page .admin-sidebar{
  width:262px;flex-basis:262px;top:76px;height:calc(100vh - 76px);
  padding:18px 14px 15px;background:rgba(255,255,255,.94);
  border-left:1px solid #e7e9f1;
  box-shadow:12px 0 35px rgba(36,29,77,.035);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.admin-page .sidebar-head{
  padding:5px 7px 17px;margin-bottom:4px;
  border-bottom:1px solid #f0f1f5;
}
.admin-page .sidebar-heading{display:flex;align-items:center;gap:10px}
.admin-page .sidebar-mini-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  color:#fff;font-weight:900;font-size:17px;
  background:linear-gradient(145deg,#8052ff,#6137df);
  box-shadow:0 7px 18px rgba(109,63,240,.18);
}
.admin-page .sidebar-title{font-size:13px;color:#2d3043}
.admin-page .sidebar-caption{font-size:10px;color:#a0a5b5;margin-top:2px}
.admin-page .sidebar-close{
  width:34px;height:34px;border:1px solid #ececf2;border-radius:10px;
  background:#fff;color:#73788a;font-size:22px;line-height:1;
  transition:.2s ease;cursor:pointer;
}
.admin-page .sidebar-close:hover{background:#f7f4ff;color:var(--admin-purple);border-color:#ddd2ff}
.admin-page .admin-nav{gap:6px;padding-top:8px}
.admin-page .admin-nav .tab-btn{
  position:relative;min-height:46px;padding:8px 10px;border:1px solid transparent;
  border-radius:13px;color:#747a8e;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.admin-page .admin-nav .tab-btn:hover{
  background:#faf9fe;color:var(--admin-purple);border-color:#efebfa;transform:translateX(-1px);
}
.admin-page .admin-nav .tab-btn.active{
  background:linear-gradient(90deg,#f3efff,#f8f6ff);
  color:var(--admin-purple);border-color:#e9e1ff;
  box-shadow:0 7px 18px rgba(105,63,226,.07);
}
.admin-page .admin-nav .tab-btn.active::before{
  content:"";position:absolute;right:-14px;top:9px;bottom:9px;width:3px;
  border-radius:99px;background:linear-gradient(#8a63ff,#6034df);
}
.admin-page .nav-ico{
  width:31px;height:31px;border-radius:10px;background:#f7f8fb;
  border:1px solid #eef0f5;color:#858b9c;font-size:12px;
  transition:.2s ease;
}
.admin-page .admin-nav .tab-btn:hover .nav-ico,
.admin-page .admin-nav .tab-btn.active .nav-ico{
  background:#fff;color:var(--admin-purple);border-color:#e7defd;
  box-shadow:0 5px 13px rgba(103,55,232,.09);
}
.admin-page .sidebar-foot{
  font-size:9px;padding:13px 9px 4px;color:#a5a9b7;
  border-top:1px solid #f0f1f5;
}

/* Main content */
.admin-page .admin-main{padding:32px 34px 52px}
.admin-page .admin-heading{margin-bottom:26px}
.admin-page .admin-heading h1{font-size:27px;letter-spacing:-.3px}
.admin-page .admin-heading p{font-size:12px}
.admin-page .eyebrow{font-size:9px;letter-spacing:1.7px}
.admin-page .admin-heading-badge{
  border-radius:12px;padding:9px 13px;background:#fff;
  box-shadow:0 7px 20px rgba(35,30,75,.04);
}

/* Stats */
.admin-page .admin-stat-grid{gap:14px;margin-bottom:20px}
.admin-page .admin-stat-card{
  position:relative;overflow:hidden;border-radius:17px;padding:17px;
  border-color:#e9eaf2;box-shadow:var(--admin-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.admin-page .admin-stat-card::after{
  content:"";position:absolute;width:80px;height:80px;border-radius:50%;
  left:-34px;bottom:-44px;background:rgba(109,63,240,.035);pointer-events:none;
}
.admin-page .admin-stat-card:hover{
  transform:translateY(-2px);box-shadow:var(--admin-shadow-hover);border-color:#ded5fa;
}
.admin-page .stat-icon{width:40px;height:40px;border-radius:12px}
.admin-page .stat-num{font-size:23px}

/* Charts / cards */
.admin-page .admin-chart-card{
  border-radius:19px;padding:21px;border-color:#e9eaf2;box-shadow:var(--admin-shadow);
}
.admin-page .chart-head{margin-bottom:23px}
.admin-page .bar-track{height:11px;background:#f1f2f6}
.admin-page .bar-fill{box-shadow:0 3px 9px rgba(103,55,232,.13)}
.admin-page .quick-action{
  border-color:#eff0f5;background:#fcfcfe;border-radius:13px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.admin-page .quick-action:hover{
  transform:translateX(-2px);border-color:#ded4fb;background:#faf8ff;
  box-shadow:0 8px 20px rgba(79,49,153,.07);
}

/* General cards, rows, buttons */
.admin-page .row-card{
  border-radius:16px;padding:16px 18px;box-shadow:var(--admin-shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.admin-page .row-card:hover{transform:translateY(-2px);box-shadow:var(--admin-shadow-hover);border-color:#ded5fa}
.admin-page .btn{
  border-radius:11px;font-weight:800;transition:transform .18s ease,filter .18s ease,box-shadow .18s ease;
}
.admin-page .btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(103,55,232,.18)}
.admin-page .btn.ghost:hover{box-shadow:0 7px 18px rgba(35,30,75,.07)}
.admin-page .teacher-card{border-radius:18px;box-shadow:var(--admin-shadow)}
.admin-page .teacher-card:hover{box-shadow:var(--admin-shadow-hover)}
.admin-page .teacher-card-stats div{border:1px solid #f0f1f5}

/* Drawer / overlay: smoother and less heavy */
.admin-page .sidebar-overlay{
  opacity:0;visibility:hidden;display:block;
  position:fixed;inset:0;background:rgba(25,20,42,.30);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
  z-index:90;cursor:pointer;
  transition:opacity .28s ease,visibility .28s ease;
}
.admin-page .sidebar-overlay.show{opacity:1;visibility:visible}
.admin-page .admin-sidebar{
  transition:right .32s cubic-bezier(.22,.8,.25,1),box-shadow .32s ease;
}
.admin-page .admin-sidebar.open{box-shadow:-22px 0 70px rgba(32,24,73,.18)}
.admin-page body.admin-drawer-open{overscroll-behavior:none}

/* Modal */
.admin-page .modal-backdrop{
  background:rgba(26,22,43,.34);
  backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);
}
.admin-page .modal{
  border-radius:20px;
  box-shadow:0 30px 90px rgba(34,27,74,.20);
}

/* Tablet / phone */
@media (max-width:1150px) and (min-width:961px){
  .admin-page .admin-sidebar{width:220px;flex-basis:220px}
  .admin-page .admin-main{padding:28px 24px 44px}
}
@media (max-width:960px){
  .admin-page .admin-topbar{height:66px;padding:0 14px}
  .admin-page .admin-layout{min-height:calc(100vh - 66px)}
  .admin-page .admin-topbar-right{gap:10px}
  .admin-page .mobile-menu-btn{display:block}
  .admin-page .admin-sidebar{
    top:0;right:-300px;width:292px;max-width:86vw;height:100vh;
    padding:18px 13px 15px;
    border-left:0;border-right:1px solid #e8e9f1;
    box-shadow:-22px 0 65px rgba(32,24,73,.16);
  }
  .admin-page .admin-sidebar.open{right:0}
  .admin-page .admin-main{padding:20px 14px 34px}
  .admin-page .admin-heading{margin-bottom:19px}
  .admin-page .admin-heading h1{font-size:21px}
  .admin-page .admin-heading p{font-size:11px}
  .admin-page .admin-heading-badge{display:none}
  .admin-page .admin-stat-grid{gap:10px}
  .admin-page .admin-stat-card{border-radius:15px;padding:13px}
}
@media (max-width:520px){
  .admin-page .admin-topbar{height:62px;padding:0 11px}
  .admin-page .admin-layout{min-height:calc(100vh - 62px)}
  .admin-page .admin-brand-mark{width:38px;height:38px;border-radius:12px;font-size:19px}
  .admin-page .admin-brand strong{font-size:12px}
  .admin-page .admin-brand span{display:none}
  .admin-page .admin-topbar-left .iconbtn{padding:8px 10px;font-size:10px;border-radius:10px}
  .admin-page .mobile-menu-btn{width:40px;height:40px;border-radius:12px}
  .admin-page .admin-sidebar{width:280px;max-width:88vw}
  .admin-page .admin-main{padding:17px 11px 28px}
  .admin-page .admin-heading h1{font-size:19px}
  .admin-page .admin-heading p{font-size:10.5px}
  .admin-page .admin-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .admin-page .admin-stat-card{padding:11px;gap:8px}
  .admin-page .stat-icon{width:32px;height:32px;border-radius:10px}
  .admin-page .stat-label{font-size:8.5px}
  .admin-page .stat-num{font-size:17px}
  .admin-page .admin-chart-card{padding:15px;border-radius:16px}
  .admin-page .row-card{border-radius:14px}
}

/* ===== إضافات تقسيم لوحة التحكم لصفحات منفصلة ===== */
.admin-nav a.tab-btn,.teacher-card,a.quick-action{text-decoration:none}
.code-chip{position:relative;padding-left:26px}
.code-chip-del{position:absolute;left:4px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:#a1a6b5;font-size:15px;line-height:1;cursor:pointer;padding:2px 4px}
.code-chip-del:hover{color:#e05656}
.code-chip.used .code-chip-del{display:none}
.link-btn{padding:0;background:none;border:0;color:var(--admin-purple);font-size:inherit;font-weight:700;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.link-btn:hover{opacity:.8}