/* ═══════════════════════════════════════════════════
   OneCourse — CSS الموحّد (RTL)
   1 متغيرات · 2 أساسيات · 3 مكوّنات · 4 الرئيسية/عن المُحاضر
   5 الكورسات · 6 صفحة الكورس · 7 لوحات التحكم · 8 Responsive
   ═══════════════════════════════════════════════════ */

/* ── 1 ── */
:root{
  --ink:#0d1117; --surface:#fff; --muted:#f6f8fa; --border:#e8edf2;
  --accent:#2563eb; --accent2:#1d4ed8; --accent-light:#eff6ff;
  --gold:#f59e0b; --gold-light:#fef3c7; --green:#10b981; --green-light:#d1fae5;
  --red:#ef4444; --red-light:#fee2e2; --purple:#7c3aed; --purple-light:#ede9fe;
  --text:#24292f; --text2:#57606a; --text3:#8c959f;
  --radius:12px; --radius-sm:8px;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 4px 16px rgba(0,0,0,.06);
  --shadow-lg:0 8px 40px rgba(0,0,0,.12);
}

/* ── 2 ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Tajawal',sans-serif;background:var(--surface);color:var(--text);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
[hidden]{display:none!important}

/* ── 3 ── */
.logo{font-family:'Cairo',sans-serif;font-weight:900;font-size:1.25rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.logo-img{width:38px;height:38px;object-fit:contain;border-radius:10px}
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}
.nav{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:66px;gap:16px}
.nav-links{display:flex;gap:4px;list-style:none}
.nav-links a{color:var(--text2);text-decoration:none;font-size:.92rem;font-weight:500;padding:7px 14px;border-radius:var(--radius-sm);transition:all .2s}
.nav-links a:hover,.nav-links a.active{background:var(--accent-light);color:var(--accent)}
.nav-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;text-decoration:none;transition:all .2s;border:none;font-family:'Tajawal',sans-serif;white-space:nowrap}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none!important}
.btn-ghost{background:transparent;color:var(--text2);border:1.5px solid var(--border)}
.btn-ghost:hover{background:var(--muted);color:var(--text)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover:not(:disabled){background:var(--accent2);transform:translateY(-1px);box-shadow:0 4px 14px rgba(37,99,235,.35)}
.btn-green{background:var(--green);color:#fff}.btn-green:hover{filter:brightness(.93)}
.btn-red{background:var(--red);color:#fff}
.btn-gold{background:var(--gold);color:#fff}
.btn-sm{padding:5px 12px;font-size:.8rem}
.btn-lg{padding:13px 28px;font-size:1rem}
.btn-block{width:100%;margin-top:8px}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.2)}

.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(90px);background:var(--ink);color:#fff;padding:13px 26px;border-radius:50px;font-size:.92rem;font-weight:600;opacity:0;transition:all .35s cubic-bezier(.34,1.56,.64,1);z-index:9999;max-width:92vw;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,.18);pointer-events:none}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast.success{background:var(--green)}.toast.error{background:var(--red)}.toast.info{background:var(--accent)}

.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}
.spinner.dark{border-color:rgba(0,0,0,.12);border-top-color:var(--accent);display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,#e8edf2 25%,#f6f8fa 50%,#e8edf2 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:8px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1000;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.overlay.open{display:flex}
.modal{background:var(--surface);border-radius:18px;padding:34px;width:100%;max-width:460px;position:relative;box-shadow:var(--shadow-lg);max-height:94vh;overflow-y:auto}
.modal-close{position:absolute;top:14px;left:14px;width:32px;height:32px;background:var(--muted);border:none;border-radius:50%;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center}
.modal-close:hover{background:var(--border)}
.modal h2{font-family:'Cairo',sans-serif;font-weight:800;font-size:1.25rem;text-align:center;margin-bottom:6px;color:var(--ink)}
.modal-sub{text-align:center;font-size:.85rem;color:var(--text2);margin-bottom:22px}
.tab-btns{display:flex;gap:4px;background:var(--muted);padding:4px;border-radius:10px;margin-bottom:22px}
.tab-btn{flex:1;padding:9px;border:none;background:transparent;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;color:var(--text2);transition:all .2s}
.tab-btn.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.08)}

.form-group{margin-bottom:15px}
.form-group>label{display:block;font-size:.84rem;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group input:not([type=checkbox]):not([type=radio]):not([type=file]),.form-group textarea,.form-group select{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.92rem;outline:none;transition:border .2s;font-family:'Tajawal',sans-serif;color:var(--text);background:var(--surface)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.08)}
.form-group textarea{resize:vertical;min-height:90px;line-height:1.7}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-hint{font-size:.76rem;color:var(--text3);margin-top:5px}
.form-error{font-size:.8rem;color:var(--red);margin-top:5px;display:none}
.form-divider{text-align:center;font-size:.84rem;color:var(--text3);margin:14px 0 0}
.recaptcha-wrap{display:flex;justify-content:center;margin:12px 0 4px;min-height:78px}

/* ── 4 ── */
.hero{background:linear-gradient(135deg,#0d1117 0%,#1a2744 55%,#0d1117 100%);padding:80px 24px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% -20%,rgba(37,99,235,.28),transparent 70%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px}
.hero-inner{max-width:1100px;margin:0 auto;position:relative;z-index:1;display:grid;grid-template-columns:1fr 340px;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(37,99,235,.15);border:1px solid rgba(37,99,235,.3);color:#93c5fd;font-size:.82rem;font-weight:600;padding:5px 16px;border-radius:50px;margin-bottom:22px}
.hero h1{font-family:'Cairo',sans-serif;font-size:clamp(2rem,4.5vw,3.2rem);font-weight:900;color:#fff;line-height:1.25;margin-bottom:16px}
.hero h1 span{color:#60a5fa}
.hero p.lead{font-size:1.05rem;color:#94a3b8;max-width:560px;margin-bottom:30px;line-height:1.9}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stat strong{display:block;font-family:'Cairo',sans-serif;font-size:1.8rem;font-weight:900;color:#fff}
.hero-stat span{font-size:.84rem;color:#64748b}
.avatar-frame{width:100%;aspect-ratio:1/1;border-radius:28px;background:linear-gradient(135deg,var(--accent),var(--gold));padding:5px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.avatar-frame .avatar{width:100%;height:100%;border-radius:24px;background:#1a2744;overflow:hidden;display:flex;align-items:center;justify-content:center;font-family:'Cairo',sans-serif;font-weight:900;font-size:5rem;color:#fff}
.avatar-frame img{width:100%;height:100%;object-fit:cover}

.section{padding:72px 24px}
.section.alt{background:var(--muted)}
.section-inner{max-width:1200px;margin:0 auto}
.section-head{text-align:center;margin-bottom:40px}
.section-tag{display:inline-block;background:var(--accent-light);color:var(--accent);font-size:.78rem;font-weight:700;padding:4px 14px;border-radius:50px;margin-bottom:12px}
.section-title{font-family:'Cairo',sans-serif;font-size:1.9rem;font-weight:900;color:var(--ink);margin-bottom:8px}
.section-sub{color:var(--text2);font-size:.97rem;max-width:520px;margin:0 auto}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.step{text-align:center}
.step-num{width:52px;height:52px;background:var(--surface);border:2px solid var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-family:'Cairo',sans-serif;font-weight:900;color:var(--accent)}
.step h3{font-family:'Cairo',sans-serif;font-size:.95rem;color:var(--ink);margin-bottom:6px}
.step p{font-size:.84rem;color:var(--text2);line-height:1.7}

.cta-section{background:linear-gradient(135deg,var(--ink),#1a2744);padding:72px 24px;text-align:center}
.cta-section h2{font-family:'Cairo',sans-serif;font-size:2rem;font-weight:900;color:#fff;margin-bottom:12px}
.cta-section p{color:#94a3b8;margin-bottom:28px}

/* عن المُحاضر */
.profile-grid{max-width:1100px;margin:0 auto;padding:40px 24px 72px;display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start}
.profile-side{position:sticky;top:90px;display:flex;flex-direction:column;gap:16px}
.profile-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:22px;text-align:center;box-shadow:var(--shadow)}
.profile-card .avatar-frame{margin-bottom:16px;border-radius:22px}
.profile-card .avatar-frame .avatar{border-radius:18px;font-size:4rem}
.profile-card h1{font-family:'Cairo',sans-serif;font-weight:900;font-size:1.35rem;color:var(--ink)}
.profile-card .role{color:var(--accent);font-weight:600;font-size:.92rem;margin:4px 0 14px}
.social{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.social a{width:38px;height:38px;border-radius:50%;background:var(--muted);display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:1rem;transition:all .2s}
.social a:hover{background:var(--accent);filter:none;transform:translateY(-2px)}
.block{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;margin-bottom:20px}
.block h2{font-family:'Cairo',sans-serif;font-weight:800;font-size:1.1rem;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.bio{color:var(--text2);line-height:2;font-size:.96rem;white-space:pre-line}
.timeline{display:flex;flex-direction:column;gap:18px;position:relative;padding-right:22px}
.timeline::before{content:'';position:absolute;right:5px;top:6px;bottom:6px;width:2px;background:var(--border)}
.tl-item{position:relative}
.tl-item::before{content:'';position:absolute;right:-22px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--accent);border:3px solid var(--accent-light)}
.tl-title{font-weight:700;color:var(--ink);font-size:.97rem}
.tl-org{color:var(--accent);font-size:.86rem;font-weight:600}
.tl-period{color:var(--text3);font-size:.78rem;margin:2px 0 4px}
.tl-desc{color:var(--text2);font-size:.88rem;line-height:1.8;white-space:pre-line}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--accent-light);color:var(--accent);padding:5px 14px;border-radius:20px;font-size:.84rem;font-weight:600}

/* ── 5 ── */
.page-hero{background:linear-gradient(135deg,var(--ink),#1a2744);padding:44px 24px}
.page-hero-inner{max-width:1200px;margin:0 auto}
.page-hero h1{font-family:'Cairo',sans-serif;font-weight:900;font-size:1.9rem;color:#fff;margin-bottom:6px}
.page-hero p{color:#94a3b8}
.toolbar{max-width:1200px;margin:0 auto;padding:26px 24px 0;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select{padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;font-family:'Tajawal',sans-serif;outline:none;background:#fff}
.toolbar input{flex:1;min-width:200px}.toolbar input:focus,.toolbar select:focus{border-color:var(--accent)}
.courses-wrap{max-width:1200px;margin:0 auto;padding:24px}
.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.course-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .25s;text-decoration:none;color:var(--text);display:flex;flex-direction:column}
.course-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.course-thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#1e3a5f,#0d1117);display:flex;align-items:center;justify-content:center;font-size:3.2rem;overflow:hidden}
.course-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.badge-price,.badge-free{position:absolute;top:10px;right:10px;color:#fff;font-weight:700;font-size:.82rem;padding:3px 12px;border-radius:20px}
.badge-price{background:var(--gold)}.badge-free{background:var(--green)}
.course-body{padding:18px;flex:1;display:flex;flex-direction:column}
.course-cat-label{font-size:.74rem;font-weight:700;color:var(--accent);margin-bottom:6px}
.course-title{font-family:'Cairo',sans-serif;font-weight:700;font-size:1rem;color:var(--ink);margin-bottom:8px;line-height:1.5}
.course-desc{font-size:.84rem;color:var(--text2);margin-bottom:12px;flex:1;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-meta{display:flex;gap:12px;font-size:.78rem;color:var(--text3);margin-bottom:12px;flex-wrap:wrap}
.course-footer{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border)}
.course-price{font-family:'Cairo',sans-serif;font-weight:900;font-size:1.05rem}
.empty-state{text-align:center;padding:48px 20px;color:var(--text2)}
.empty-state .ic{font-size:2.8rem;display:block;margin-bottom:10px}
.empty-state h3{font-family:'Cairo',sans-serif;font-size:1.05rem;color:var(--ink);margin-bottom:6px}

/* footer */
footer{background:var(--ink);color:#8c959f;padding:52px 0 22px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px;margin-bottom:34px}
.footer-brand h3{font-family:'Cairo',sans-serif;font-size:1.15rem;font-weight:900;color:#fff;margin-bottom:10px}
.footer-brand p{font-size:.87rem;line-height:1.8}
.footer-col h4{font-family:'Cairo',sans-serif;color:#fff;margin-bottom:14px;font-size:.9rem}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col a{color:#8c959f;text-decoration:none;font-size:.87rem}.footer-col a:hover{color:#60a5fa}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:18px 24px 0;text-align:center;font-size:.82rem;max-width:1200px;margin:0 auto}

/* ── 6 صفحة الكورس ── */
.course-hero{background:linear-gradient(135deg,var(--ink),#1a2744);padding:40px 24px}
.course-hero-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 360px;gap:48px;align-items:start}
.breadcrumb{font-size:.8rem;color:#64748b;margin-bottom:14px}.breadcrumb a{color:#94a3b8;text-decoration:none}
.hero-title{font-family:'Cairo',sans-serif;font-weight:900;font-size:1.8rem;color:#fff;line-height:1.4;margin-bottom:12px}
.hero-desc{color:#94a3b8;font-size:.95rem;line-height:1.8;margin-bottom:18px}
.hero-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.83rem;color:#94a3b8}
.instructor-mini{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);text-decoration:none}
.inst-av{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--gold));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;overflow:hidden;flex-shrink:0}
.inst-av img{width:100%;height:100%;object-fit:cover}
.inst-name{font-size:.9rem;font-weight:700;color:#fff}.inst-role{font-size:.76rem;color:#8c959f}
.purchase-card{background:var(--surface);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);position:sticky;top:80px}
.preview-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#1e3a5f,var(--ink));display:flex;align-items:center;justify-content:center;font-size:4rem;position:relative;cursor:pointer;overflow:hidden}
.preview-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.32)}
.play-circle{min-width:56px;height:56px;padding:0 16px;background:rgba(255,255,255,.93);border-radius:30px;display:flex;align-items:center;justify-content:center;font-size:.95rem;font-weight:700;color:var(--ink)}
.card-body{padding:22px}
.price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.price-main{font-family:'Cairo',sans-serif;font-size:2rem;font-weight:900;color:var(--ink)}
.price-old{font-size:1.05rem;color:var(--text3);text-decoration:line-through}
.disc-badge{background:var(--gold-light);color:#92400e;font-size:.75rem;font-weight:700;padding:2px 10px;border-radius:20px}
.includes{margin-top:16px}
.inc-item{display:flex;align-items:center;gap:9px;font-size:.83rem;color:var(--text2);margin-bottom:7px}
.guarantee{text-align:center;margin-top:12px;padding:10px;background:var(--green-light);border-radius:var(--radius-sm);font-size:.8rem;color:#065f46}
.course-content{max-width:1200px;margin:0 auto;padding:36px 24px;display:grid;grid-template-columns:1fr 360px;gap:48px}
.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:24px;gap:4px}
.tab-link{padding:11px 18px;border:none;background:transparent;font-size:.92rem;font-weight:700;color:var(--text2);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px}
.tab-link.active{color:var(--accent);border-bottom-color:var(--accent)}
.tab-panel{display:none}.tab-panel.active{display:block}
.h2{font-family:'Cairo',sans-serif;font-weight:800;font-size:1.08rem;margin:0 0 12px;color:var(--ink)}
.learn-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}
.learn-item{display:flex;gap:9px;font-size:.88rem;line-height:1.7}.learn-item::before{content:'✓';color:var(--green);font-weight:900}
.prose{color:var(--text2);font-size:.92rem;line-height:1.95;white-space:pre-line;margin-bottom:24px}
.req-list{padding-right:20px;color:var(--text2);font-size:.9rem;line-height:2;margin-bottom:20px}
.sec-block{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:12px}
.sec-header{background:var(--muted);padding:14px 18px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:10px}
.sec-header h3{font-family:'Cairo',sans-serif;font-weight:700;font-size:.92rem;color:var(--ink)}
.sec-lessons{display:none}.sec-lessons.open{display:block}
.lesson-row{display:flex;align-items:center;gap:12px;padding:12px 18px;border-top:1px solid var(--border);cursor:pointer;transition:background .15s}
.lesson-row:hover{background:var(--muted)}
.lesson-icon{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;flex-shrink:0;background:var(--accent-light);color:var(--accent)}
.lesson-icon.locked{background:#f1f5f9;color:var(--text3)}.lesson-icon.done{background:var(--green-light);color:var(--green)}
.lesson-title{flex:1;font-size:.88rem}
.preview-tag{font-size:.72rem;font-weight:700;color:var(--accent);background:var(--accent-light);padding:2px 8px;border-radius:10px}
.lesson-dur{font-size:.76rem;color:var(--text3)}
.lesson-pdf-row{display:flex;gap:8px;align-items:center;padding:7px 18px 10px;background:#fafbfc;border-top:1px dashed var(--border);flex-wrap:wrap;font-size:.76rem;color:var(--text3)}
.pill{background:var(--accent-light);color:var(--accent);border:none;padding:4px 12px;border-radius:6px;font-size:.76rem;font-weight:700;cursor:pointer;text-decoration:none}
.pill.green{background:var(--green-light);color:#065f46}
.enrolled-banner{background:var(--green-light);border:1px solid #6ee7b7;border-radius:var(--radius);padding:14px 18px;margin-bottom:22px}
.enrolled-banner h3{font-family:'Cairo',sans-serif;color:#065f46;font-size:.95rem}.enrolled-banner p{font-size:.82rem;color:#047857}
.prog-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}.prog-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .5s}
.video-overlay,.pdf-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.93);z-index:2000;align-items:center;justify-content:center;padding:16px}
.video-overlay.open,.pdf-overlay.open{display:flex}
.video-wrap{width:92vw;max-width:940px;position:relative}
.video-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;color:#fff;flex-wrap:wrap}
.video-close{background:rgba(255,255,255,.15);border:none;color:#fff;font-size:.9rem;padding:7px 16px;border-radius:8px;cursor:pointer}
.video-frame{width:100%;aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden;user-select:none;-webkit-user-select:none}
.video-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#94a3b8;width:100%;height:100%;font-size:3rem}
.video-placeholder span{font-size:.95rem}
.watermark{position:absolute;bottom:14px;left:14px;background:rgba(0,0,0,.5);color:rgba(255,255,255,.85);font-size:.74rem;font-weight:600;padding:4px 12px;border-radius:20px;pointer-events:none;z-index:11}
.pdf-wrap{width:92vw;max-width:880px;height:90vh;display:flex;flex-direction:column;gap:10px}
.pdf-frame{flex:1;border-radius:12px;overflow:hidden;background:#fff}
.pdf-frame iframe{width:100%;height:100%;border:0}
.pay-modal{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:9999;display:flex;align-items:center;justify-content:center;padding:16px}
.pay-modal>div{background:#fff;border-radius:20px;padding:36px;max-width:420px;width:100%;text-align:center;font-family:'Cairo',sans-serif}
.pay-modal .big{font-size:3.6rem;margin-bottom:12px}
.pay-modal h2{font-weight:900;margin-bottom:10px}
.pay-modal p{color:var(--text2);line-height:1.9;margin-bottom:22px;font-family:'Tajawal',sans-serif}

/* ── 7 لوحات التحكم ── */
body.panel-body{background:var(--muted);display:flex;min-height:100vh}
.sidebar{width:256px;background:var(--ink);min-height:100vh;display:flex;flex-direction:column;position:fixed;top:0;right:0;bottom:0;z-index:50;transition:transform .3s}
.sidebar-logo{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.07)}
.sidebar .logo{color:#fff;font-size:1.05rem}
.sidebar-user{padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.07);display:flex;gap:11px;align-items:center}
.user-av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--gold));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;flex-shrink:0;overflow:hidden}
.user-av img{width:100%;height:100%;object-fit:cover}
.user-name{font-size:.88rem;font-weight:700;color:#e2e8f0;word-break:break-word}.user-role{font-size:.72rem;color:#8c959f;margin-top:2px}
.sidebar-nav{flex:1;padding:10px 0;overflow-y:auto}
.nav-sec{padding:10px 18px 4px;font-size:.68rem;letter-spacing:.08em;color:#4a5568;font-weight:700}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 18px;color:#94a3b8;text-decoration:none;font-size:.87rem;font-weight:500;transition:all .2s;cursor:pointer;border:none;background:transparent;width:100%;text-align:right}
.nav-item:hover{background:rgba(255,255,255,.06);color:#e2e8f0}
.nav-item.active{background:rgba(37,99,235,.18);color:#60a5fa;border-right:3px solid var(--accent)}
.nav-badge{margin-right:auto;background:var(--gold);color:#fff;font-size:.65rem;padding:1px 7px;border-radius:10px}
.sidebar-bottom{padding:12px;border-top:1px solid rgba(255,255,255,.07)}
.btn-logout{display:flex;align-items:center;gap:8px;padding:9px 14px;color:#8c959f;border:none;background:transparent;font-size:.86rem;cursor:pointer;border-radius:8px;width:100%}
.btn-logout:hover{background:rgba(239,68,68,.1);color:#f87171}
.main{margin-right:256px;flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40;gap:10px}
.topbar-title{font-family:'Cairo',sans-serif;font-weight:800;font-size:1.02rem;color:var(--ink)}
.menu-btn{display:none;background:none;border:1.5px solid var(--border);border-radius:8px;padding:5px 11px;font-size:1.1rem;cursor:pointer}
.page-content{padding:24px;flex:1}
.panel{display:none}.panel.active{display:block}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;align-items:center;gap:14px}
.stat-icon{width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.stat-num{font-family:'Cairo',sans-serif;font-size:1.55rem;font-weight:900;color:var(--ink);line-height:1.1}
.stat-label{font-size:.78rem;color:var(--text2);margin-top:3px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:18px}
.card-title{font-family:'Cairo',sans-serif;font-weight:700;font-size:.97rem;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{text-align:right;padding:11px 14px;font-size:.77rem;color:var(--text3);font-weight:600;border-bottom:1px solid var(--border);background:var(--muted);white-space:nowrap}
td{padding:12px 14px;font-size:.85rem;color:var(--text);border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}tbody tr:hover td{background:#fafbfc}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:700;white-space:nowrap}
.bg-green{background:var(--green-light);color:#065f46}.bg-gold{background:var(--gold-light);color:#92400e}.bg-red{background:var(--red-light);color:#991b1b}
.bg-purple{background:var(--purple-light);color:#5b21b6}.bg-accent{background:var(--accent-light);color:var(--accent)}.bg-gray{background:#f1f5f9;color:#475569}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.filters input,.filters select{padding:8px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.86rem;font-family:'Tajawal',sans-serif;outline:none;background:#fff}
.filters input{flex:1;min-width:180px}
.my-courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.my-course{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .2s;text-decoration:none;color:var(--text)}
.my-course:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.my-course-body{padding:14px}
.my-course-title{font-family:'Cairo',sans-serif;font-weight:700;font-size:.9rem;color:var(--ink);margin-bottom:8px;line-height:1.5}
.prog-label{font-size:.73rem;color:var(--text3);display:flex;justify-content:space-between;margin-top:5px}
.pending-notice{background:var(--gold-light);border:1px solid #fcd34d;border-radius:var(--radius);padding:13px 17px;font-size:.87rem;color:#92400e;margin-bottom:16px;line-height:1.8}

/* محرر الملف الشخصي والكورس */
.uploader{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.uploader .preview{width:110px;height:110px;border-radius:20px;background:var(--muted);border:2px dashed var(--border);display:flex;align-items:center;justify-content:center;font-size:2rem;overflow:hidden;flex-shrink:0}
.uploader .preview.wide{width:176px;height:99px;border-radius:12px}
.uploader .preview img{width:100%;height:100%;object-fit:cover}
.rep-item{border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;margin-bottom:10px;background:var(--muted);position:relative}
.rep-item .form-row{margin-bottom:8px}
.rep-del{position:absolute;top:8px;left:8px;width:28px;height:28px;border:none;background:var(--red-light);color:var(--red);border-radius:6px;cursor:pointer}
.rep-item input,.rep-item textarea{width:100%;padding:8px 11px;border:1.5px solid var(--border);border-radius:6px;font-size:.86rem;font-family:'Tajawal',sans-serif;outline:none;background:#fff}
.rep-item input:focus,.rep-item textarea:focus{border-color:var(--accent)}
.unit-block{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:14px}
.unit-header{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--muted);border-bottom:1px solid var(--border)}
.unit-header input{flex:1;padding:7px 11px;border:1.5px solid var(--border);border-radius:6px;font-size:.9rem;font-family:'Tajawal',sans-serif;outline:none;background:#fff}
.unit-body{padding:12px 14px}
.les{border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;margin-bottom:8px;background:#fff}
.les-main{display:grid;grid-template-columns:28px 1.2fr 1.6fr 84px 30px;gap:8px;align-items:center}
.les-sub{display:flex;gap:14px;align-items:center;margin-top:8px;padding-right:36px;flex-wrap:wrap;font-size:.78rem;color:var(--text2)}
.les-sub input[type=text],.les-sub input[type=url]{flex:1;min-width:180px}
.les input[type=text],.les input[type=url],.les input[type=number]{padding:7px 10px;border:1.5px solid var(--border);border-radius:6px;font-size:.84rem;font-family:'Tajawal',sans-serif;outline:none;width:100%}
.les input:focus{border-color:var(--accent)}
.les-num{width:26px;height:26px;border-radius:50%;background:var(--accent-light);color:var(--accent);font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center}
.icon-del{width:30px;height:30px;border:none;background:var(--red-light);color:var(--red);border-radius:6px;cursor:pointer}
.mini-modal .modal{max-width:520px}

/* ── 8 ── */
@media(max-width:1100px){.course-hero-inner,.course-content{grid-template-columns:1fr}.purchase-card{position:static}.hero-inner{grid-template-columns:1fr}.avatar-frame{max-width:280px}}
@media(max-width:1000px){.courses-grid,.my-courses-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.profile-grid{grid-template-columns:1fr}.profile-side{position:static}}
@media(max-width:900px){.sidebar{transform:translateX(100%)}.sidebar.open{transform:translateX(0)}.main{margin-right:0}.menu-btn{display:block}.form-row{grid-template-columns:1fr}.les-main{grid-template-columns:28px 1fr 30px}.les-main .les-url,.les-main .les-dur{grid-column:2/3}}
@media(max-width:640px){.courses-grid,.my-courses-grid,.steps,.learn-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.nav-links{display:none}.hero-stats{gap:24px}.modal{padding:24px}.stats-grid{grid-template-columns:1fr 1fr}}

/* التصنيفات */
.cats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 16px;text-align:center;text-decoration:none;color:var(--text);transition:all .25s;display:block}
.cat-card:hover{border-color:var(--accent);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.cat-icon{font-size:2.1rem;display:block;margin-bottom:10px}
.cat-card h3{font-family:'Cairo',sans-serif;font-size:.95rem;color:var(--ink);margin-bottom:4px}
.cat-count{font-size:.8rem;color:var(--text3)}
.cat-chips{max-width:1200px;margin:0 auto;padding:16px 24px 0;display:flex;gap:8px;flex-wrap:wrap}
.cat-chip{border:1.5px solid var(--border);background:#fff;color:var(--text2);padding:6px 16px;border-radius:20px;font-size:.86rem;font-weight:600;cursor:pointer;font-family:'Tajawal',sans-serif}
.cat-chip.active{background:var(--accent);border-color:var(--accent);color:#fff}
@media(max-width:1000px){.cats-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.cats-grid{grid-template-columns:repeat(2,1fr)}}