@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&family=Tajawal:wght@400;500;700;800;900&family=JetBrains+Mono:wght@500;700&display=swap');

:root{
  --bg:#f5f7ff;
  --bg-alt:#eef0fb;
  --card:#ffffff;
  --text:#0d1030;
  --muted:#64748b;
  --line:#dde1f5;
  --primary:#4f46e5;
  --primary-light:#818cf8;
  --primary-dark:#3730a3;
  --accent:#0ea5e9;
  --accent2:#8b5cf6;
  --blue:#3b82f6;
  --green:#10b981;
  --yellow:#f59e0b;
  --red:#ef4444;
  --shadow:0 18px 50px rgba(79,70,229,.10);
  --shadow-sm:0 4px 16px rgba(79,70,229,.07);
  --radius:24px;
  --t1:#4f46e5; --t1-bg:#eef2ff;
  --t2:#0ea5e9; --t2-bg:#e0f2fe;
  --t3:#10b981; --t3-bg:#d1fae5;
  --t4:#f59e0b; --t4-bg:#fef3c7;
  --t5:#8b5cf6; --t5-bg:#ede9fe;
  --t6:#ef4444; --t6-bg:#fee2e2;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Tajawal',system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.8}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,92%);margin-inline:auto}

/* HEADER */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--accent2));color:#fff;font-size:1.3rem;box-shadow:0 8px 20px rgba(79,70,229,.3)}
.brand strong{display:block;font-size:1.12rem;font-weight:900}
.brand small{display:block;color:var(--muted);font-size:.82rem;margin-top:-4px}
.main-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex-wrap:wrap}
.main-nav a{padding:8px 14px;color:#334155;border-radius:999px;font-weight:700;transition:.2s}
.main-nav a:hover{background:var(--bg-alt);color:var(--primary)}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:900;transition:.2s ease}
.nav-cta{padding:10px 20px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent2));box-shadow:0 6px 16px rgba(79,70,229,.28)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(79,70,229,.35)}

/* BUTTONS */
.btn{padding:13px 22px;font-family:inherit;cursor:pointer;border:0;font-size:inherit}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent2));color:#fff;box-shadow:0 10px 26px rgba(79,70,229,.24)}
.btn-outline{background:#fff;border:1.5px solid var(--line);color:var(--text)}
.btn:hover{transform:translateY(-2px)}

/* HERO */
.hero{padding:80px 0 48px;background:radial-gradient(circle at 85% 10%,rgba(79,70,229,.13),transparent 36%),radial-gradient(circle at 15% 60%,rgba(14,165,233,.10),transparent 32%),radial-gradient(circle at 50% 80%,rgba(139,92,246,.08),transparent 28%)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}
.eyebrow{margin:0 0 10px;color:var(--primary);font-weight:900;letter-spacing:.5px;font-size:.95rem;display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:'';width:24px;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent2));border-radius:99px}
h1,h2,h3{line-height:1.35;margin:0 0 14px}
h1{font-size:clamp(1.9rem,5vw,4rem);font-weight:900;letter-spacing:-1px}
h2{font-size:clamp(1.4rem,3vw,2.2rem);font-weight:900}
h3{font-size:1.2rem;font-weight:900}
.lead{font-size:1.15rem;color:var(--muted);max-width:760px}
.lead.small{font-size:1.02rem}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.hero-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(79,70,229,.04),rgba(139,92,246,.04));pointer-events:none}
.hero-card h2{font-size:1.4rem;color:var(--text)}
.hero-card p{color:var(--muted)}
.hero-card a{color:var(--primary);font-weight:800}

/* circuit dots */
.circuit-dots{position:relative;height:80px;margin-bottom:16px}
.node{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--primary);opacity:.7;animation:pulse-node 2s infinite alternate}
.n1{top:20px;right:20px;animation-delay:0s}
.n2{top:10px;right:60px;background:var(--accent);animation-delay:.5s}
.n3{top:40px;right:100px;background:var(--accent2);animation-delay:1s}
.n4{top:20px;right:140px;animation-delay:1.5s}
@keyframes pulse-node{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.4);opacity:1}}

/* STATS */
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:560px}
.stats div{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:20px;padding:14px}
.stats strong{display:block;font-size:1.35rem;color:var(--primary)}
.stats span{color:var(--muted);font-size:.9rem}

/* SECTIONS */
.section{padding:64px 0}
.section.alt{background:var(--bg-alt)}
.section-head{margin-bottom:32px}

/* TIMELINE */
.timeline{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.timeline article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.timeline article::after{content:'';position:absolute;top:0;right:0;width:4px;height:100%;background:linear-gradient(180deg,var(--primary),var(--accent2));border-radius:0 var(--radius) var(--radius) 0}
.timeline article span{display:block;font-size:2.8rem;font-weight:900;color:var(--primary);opacity:.15;line-height:1;margin-bottom:8px}

/* QUICK-TRACK NAV */
.quick-track-nav{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}
.quick-track-nav a{display:inline-flex;align-items:center;padding:9px 16px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:#334155;font-weight:800;font-size:.92rem;transition:.2s;box-shadow:var(--shadow-sm)}
.quick-track-nav a:hover{border-color:var(--primary-light);background:var(--bg-alt);color:var(--primary)}

/* CURRICULUM GROUPS */
.curriculum-groups{display:grid;gap:22px}
.curriculum-group{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow-sm)}
.group-head{display:grid;gap:4px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.group-head span{color:var(--primary);font-weight:900;letter-spacing:.02em;font-size:.9rem}
.group-head h3{margin:0;font-size:1.3rem}
.group-head p{margin:0;color:var(--muted);font-size:.98rem}

/* Track color accents */
#track-1 .group-head span{color:var(--t1)} #track-1 .lesson-number{background:var(--t1-bg);color:var(--t1);border-color:rgba(79,70,229,.2)}
#track-2 .group-head span{color:var(--t2)} #track-2 .lesson-number{background:var(--t2-bg);color:var(--t2);border-color:rgba(14,165,233,.2)}
#track-3 .group-head span{color:var(--t3)} #track-3 .lesson-number{background:var(--t3-bg);color:var(--t3);border-color:rgba(16,185,129,.2)}
#track-4 .group-head span{color:var(--t4)} #track-4 .lesson-number{background:var(--t4-bg);color:var(--t4);border-color:rgba(245,158,11,.2)}
#track-5 .group-head span{color:var(--t5)} #track-5 .lesson-number{background:var(--t5-bg);color:var(--t5);border-color:rgba(139,92,246,.2)}
#track-6 .group-head span{color:var(--t6)} #track-6 .lesson-number{background:var(--t6-bg);color:var(--t6);border-color:rgba(239,68,68,.2)}

.lesson-index-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.lesson-index-card{display:grid;grid-template-columns:auto 1fr;gap:8px 12px;align-items:start;padding:14px;border:1.5px solid #eef0fb;border-radius:18px;background:#fff;transition:.2s ease}
.lesson-index-card:hover{transform:translateY(-2px);border-color:var(--primary-light);box-shadow:0 10px 28px rgba(79,70,229,.1)}
.lesson-index-card .lesson-number{grid-row:1/span 2;width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--t1-bg);color:var(--t1);font-weight:900;border:1px solid rgba(79,70,229,.15);direction:ltr;font-size:.92rem}
.lesson-index-card strong{display:block;color:var(--text);line-height:1.45;font-size:.98rem}
.lesson-index-card small{color:var(--muted);line-height:1.6;font-size:.88rem}

/* TOOLS */
.tools-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.tools-list{display:flex;flex-wrap:wrap;gap:10px}
.tools-list span{padding:9px 16px;background:#fff;border:1.5px solid var(--line);border-radius:12px;font-weight:700;font-size:.92rem;color:#334155;box-shadow:var(--shadow-sm)}

/* FOOTER */
.site-footer{background:var(--text);color:#cbd5e1;padding:32px 0}
.footer-grid{display:flex;justify-content:space-between;align-items:center;gap:20px}
.site-footer strong{display:block;color:#fff;font-size:1.1rem;margin-bottom:4px}
.site-footer p{margin:0;font-size:.9rem}
.site-footer a{color:var(--primary-light);font-weight:700}

/* LESSON PAGES */
.lesson-hero{padding:56px 0 32px;background:linear-gradient(135deg,var(--bg),var(--bg-alt));border-bottom:1px solid var(--line)}
.lesson-hero h1{font-size:clamp(1.7rem,4vw,3rem)}
.lesson-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;padding:32px 0;align-items:start}
.lesson-sidebar{position:sticky;top:96px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow-sm)}
.lesson-sidebar strong{display:block;margin-bottom:12px;color:var(--text);font-size:.95rem}
.lesson-sidebar a{display:block;padding:8px 12px;border-radius:12px;color:#475569;font-weight:600;font-size:.92rem;transition:.15s}
.lesson-sidebar a:hover{background:var(--bg-alt);color:var(--primary)}
.lesson-content{display:grid;gap:20px}
.lesson-block{scroll-margin-top:96px;background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow-sm)}
.lesson-block p{color:#475569}
.lesson-block ul{padding-right:22px;color:#475569}
.lesson-block h2{color:var(--text);font-size:1.35rem;border-bottom:2px solid var(--bg-alt);padding-bottom:10px;margin-bottom:14px}
.lesson-block h3{color:var(--text);font-size:1.1rem}

/* Lesson prev/next navigation */
.lesson-nav-bar{display:flex;justify-content:space-between;gap:12px;padding:20px 0;border-top:1px solid var(--line);margin-top:8px}
.lesson-nav-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--text);font-weight:800;font-size:.92rem;transition:.2s;box-shadow:var(--shadow-sm)}
.lesson-nav-btn:hover{border-color:var(--primary-light);color:var(--primary);transform:translateY(-1px)}
.lesson-nav-btn.disabled{opacity:.35;pointer-events:none}

/* BOXES */
.note{background:var(--t1-bg);border-right:4px solid var(--primary);border-radius:14px;padding:14px 18px;color:#1e1b4b;font-size:.98rem}
.warning{background:#fef3c7;border-right:4px solid var(--yellow);border-radius:14px;padding:14px 18px;color:#78350f;font-size:.98rem}
.danger-note{background:#fee2e2;border-right:4px solid var(--red);border-radius:14px;padding:14px 18px;color:#7f1d1d;font-size:.98rem}

/* COMPONENT ILLUSTRATION */
.component-illustration{background:var(--bg-alt);border-radius:18px;padding:18px;margin:12px 0;text-align:center}
.component-illustration svg{max-width:100%;height:auto;stroke:var(--text);fill:none;stroke-width:2}
.visual-row{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center}

/* QUIZ */
.quiz-block{background:var(--bg-alt);border-radius:22px;padding:24px}
.quiz-q{margin-bottom:20px}
.quiz-q p{font-weight:800;color:var(--text);margin-bottom:10px}
.quiz-q label{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:12px;cursor:pointer;transition:.15s}
.quiz-q label:hover{background:#fff}
.quiz-result{display:none;font-weight:800;padding:12px 16px;border-radius:12px;margin-top:10px}

/* NEXT BOX */
.next-box{background:linear-gradient(135deg,var(--primary),var(--accent2));border-radius:22px;padding:24px;color:#fff;margin-top:8px}
.next-box h3{color:#fff}
.next-box p{color:rgba(255,255,255,.82)}
.next-box a{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;background:rgba(255,255,255,.2);border-radius:999px;color:#fff;font-weight:800;margin-top:8px;transition:.2s;backdrop-filter:blur(8px)}
.next-box a:hover{background:rgba(255,255,255,.3)}

/* MINI BOARD */
.mini-board{position:relative;width:90px;height:90px;background:#1e293b;border-radius:16px;flex-shrink:0}
.vb-chip{position:absolute;width:36px;height:26px;background:#334155;border-radius:6px;top:30px;right:22px;box-shadow:inset 0 0 0 2px rgba(255,255,255,.1)}
.vb-line{position:absolute;height:2px;background:#4f46e5;opacity:.7}
.l1{width:18px;top:42px;right:58px}
.l2{width:14px;top:42px;right:8px}
.vb-dot{position:absolute;width:6px;height:6px;border-radius:50%;background:#0ea5e9}
.d1{top:20px;right:20px}
.d2{top:20px;right:55px}
.d3{top:64px;right:40px;background:#10b981}

/* COMPONENT CARDS */
.component-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow-sm)}
.lesson-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:16px 0}
.lesson-home-box{background:linear-gradient(135deg,var(--bg),var(--bg-alt));border:1px solid var(--line);border-radius:22px;padding:24px}
.lesson-home-box p{color:var(--muted);margin:0 0 14px}

/* TABLE */
.lesson-block table{width:100%;border-collapse:collapse;font-size:.95rem}
.lesson-block th{background:var(--bg-alt);padding:10px 14px;text-align:right;font-weight:800;color:var(--text);border-bottom:2px solid var(--line)}
.lesson-block td{padding:10px 14px;border-bottom:1px solid var(--line);color:#475569}
.lesson-block tr:last-child td{border-bottom:0}

/* CODE */
.lesson-block code{background:var(--bg-alt);border:1px solid var(--line);border-radius:8px;padding:2px 8px;font-size:.93em;color:var(--primary-dark);font-family:monospace}
.lesson-block pre{background:#0d1030;border-radius:16px;padding:18px;overflow-x:auto;color:#a5f3fc;font-family:monospace;font-size:.92rem;line-height:1.7}
.lesson-block ol{padding-right:22px;color:#475569}
.lesson-block ol li,.lesson-block ul li{margin-bottom:8px;line-height:1.75}

/* LINK GRID */
.lesson-link-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:16px 0}
.lesson-link-card{display:block;padding:16px;background:var(--card);border:1.5px solid var(--line);border-radius:18px;transition:.2s}
.lesson-link-card:hover{border-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(79,70,229,.12)}
.lesson-link-card strong{display:block;color:var(--text);margin-bottom:4px}
.lesson-link-card span{color:var(--muted);font-size:.9rem}

/* ── ADMIN DASHBOARD ── */
.admin-page .brand-icon{background:linear-gradient(135deg,#1e1b4b,var(--primary))}

.admin-hero{background:linear-gradient(135deg,#1e1b4b,#312e81);color:#fff;padding:44px 0 32px}
.admin-hero .eyebrow{color:#a5b4fc;font-size:.88rem}
.admin-hero .eyebrow::before{background:linear-gradient(90deg,#a5b4fc,#818cf8)}
.admin-hero h1{color:#fff;font-size:clamp(1.5rem,3.5vw,2.6rem)}
.admin-hero .lead{color:rgba(255,255,255,.75)}
.admin-hero .warning{background:rgba(245,158,11,.15);border-right:4px solid var(--yellow);border-radius:14px;padding:12px 16px;color:#fef3c7;font-size:.92rem;margin-top:16px;max-width:900px}

.admin-stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:28px}
.admin-stat-card{background:rgba(255,255,255,.1);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:18px}
.admin-stat-card strong{display:block;font-size:2rem;font-weight:900;color:#fff}
.admin-stat-card span{color:rgba(255,255,255,.65);font-size:.9rem}

.admin-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px;align-items:start;padding:28px 0 60px}
.admin-sidebar{position:sticky;top:90px;max-height:calc(100vh - 110px);overflow-y:auto;background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-sm);scrollbar-width:thin}
.admin-sidebar-head{padding:16px 16px 12px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:2;border-radius:24px 24px 0 0}
.admin-sidebar-head h2{font-size:.95rem;margin:0 0 8px;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.5px}
.admin-sidebar-search{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:9px 12px;font-family:inherit;font-size:.9rem;color:var(--text);background:var(--bg);outline:none;transition:.2s}
.admin-sidebar-search:focus{border-color:var(--primary-light)}

.admin-track-group{padding:6px 10px 2px}
.admin-track-label{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:10px;font-weight:900;font-size:.82rem;color:var(--muted);cursor:pointer;transition:.15s;user-select:none;letter-spacing:.3px;text-transform:uppercase}
.admin-track-label:hover{background:var(--bg-alt)}
.admin-track-label .track-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.admin-track-label .track-count{margin-inline-start:auto;background:var(--bg-alt);border-radius:999px;padding:1px 8px;font-size:.76rem}

.admin-lesson-item{display:flex;align-items:center;gap:8px;padding:7px 8px 7px 16px;border-radius:12px;color:#475569;font-size:.88rem;font-weight:600;cursor:pointer;transition:.15s;margin-bottom:1px}
.admin-lesson-item:hover{background:var(--bg-alt);color:var(--primary)}
.admin-lesson-item.active{background:var(--bg-alt);color:var(--primary);font-weight:800}
.admin-lesson-item .ln{width:27px;height:27px;border-radius:8px;display:grid;place-items:center;font-size:.76rem;font-weight:900;flex-shrink:0}

/* Main editor */
.admin-main{min-width:0}
.admin-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:20px;box-shadow:var(--shadow-sm)}
.admin-toolbar h2{margin:0;font-size:1.05rem;flex:1}
.admin-toolbar .btn{padding:9px 16px;font-size:.9rem}

.admin-field{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px 20px;margin-bottom:12px;box-shadow:var(--shadow-sm);transition:.2s}
.admin-field:hover{border-color:var(--primary-light)}
.admin-field label strong{display:block;font-size:.98rem;color:var(--text);margin-bottom:4px}
.admin-field label span{display:block;color:var(--muted);font-size:.86rem;margin-bottom:10px}
.admin-field input,.admin-field textarea,.admin-field select{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--text);outline:none;transition:.2s}
.admin-field input:focus,.admin-field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.admin-field textarea{min-height:88px;resize:vertical;line-height:1.8}

.admin-empty{text-align:center;padding:60px 20px;color:var(--muted)}
.admin-empty p{font-size:1.05rem;margin-top:12px}

.admin-success-toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(100px);background:#10b981;color:#fff;padding:12px 28px;border-radius:999px;font-weight:800;box-shadow:0 16px 40px rgba(16,185,129,.3);transition:.4s cubic-bezier(.34,1.56,.64,1);z-index:100;pointer-events:none}
.admin-success-toast.show{transform:translateX(-50%) translateY(0)}

/* Legacy admin compat */
.admin-tools{position:sticky;top:96px;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow-sm)}
.admin-tools h2{font-size:1.3rem;margin-bottom:16px}
.admin-tools label{display:block;font-weight:900;margin:14px 0 8px;color:#334155;font-size:.92rem}
.admin-tools select{width:100%;border:1.5px solid var(--line);border-radius:14px;padding:11px 14px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--text);outline:none}
.admin-tools .btn{width:100%;margin-top:10px;border:0;cursor:pointer;padding:12px}
.admin-hint{font-size:.88rem;color:var(--muted);line-height:1.7;margin-top:10px}
.admin-head{margin-bottom:18px}
.admin-editor{min-width:0}
.danger-btn{background:#fee2e2!important;color:var(--red)!important}
.import-box{display:block;padding:10px 14px;border:1.5px dashed var(--line);border-radius:14px;text-align:center;cursor:pointer;transition:.2s;font-size:.88rem;margin-top:10px;color:var(--muted)}
.import-box:hover{border-color:var(--primary);color:var(--primary)}
.import-box input{display:none}
.admin-save-top{padding:9px 18px!important}

/* ICON COMPONENTS (all lesson-specific — preserved) */
.step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin:16px 0}
.step-card{background:var(--bg-alt);border-radius:16px;padding:16px;text-align:center}
.step-icon{width:52px;height:52px;border-radius:16px;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}

.tvrepair-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#eff6ff;position:relative}
.tvrepair-icon:before,.tvrepair-icon:after{content:"";position:absolute}
.tvrepair-icon.screen:before{width:50px;height:36px;background:#111827;border-radius:9px;top:14px;right:7px}
.tvrepair-icon.screen:after{width:28px;height:5px;background:#374151;border-radius:4px;top:51px;right:18px}
.tvrepair-icon.power:before{width:42px;height:42px;border:5px solid #dc2626;border-radius:50%;top:8px;right:8px}
.tvrepair-icon.power:after{width:18px;height:28px;background:#dc2626;clip-path:polygon(55% 0,100% 0,65% 45%,100% 45%,35% 100%,50% 58%,15% 58%);top:18px;right:24px}

.backlight-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#fff7ed;position:relative}
.backlight-icon:before,.backlight-icon:after{content:"";position:absolute}
.backlight-icon.tester:before{width:42px;height:34px;background:#111827;border-radius:10px;top:12px;right:11px}
.backlight-icon.tester:after{width:28px;height:10px;background:#d1fae5;border-radius:4px;top:19px;right:18px;box-shadow:0 18px 0 -3px #4f46e5}
.backlight-icon.suction{background:#eff6ff}
.backlight-icon.suction:before{width:36px;height:36px;border:5px solid #4f46e5;border-radius:50%;top:10px;right:14px}
.backlight-icon.suction:after{width:24px;height:7px;background:#4f46e5;border-radius:8px;top:45px;right:20px}
.backlight-icon.gloves{background:#f0fdf4}
.backlight-icon.gloves:before{width:22px;height:42px;background:#16a34a;border-radius:14px 14px 8px 8px;top:11px;right:13px}
.backlight-icon.gloves:after{width:22px;height:42px;background:#22c55e;border-radius:14px 14px 8px 8px;top:11px;right:31px}
.backlight-icon.tape{background:#f5f3ff}
.backlight-icon.tape:before{width:40px;height:40px;border:7px solid #7c3aed;border-radius:50%;top:9px;right:10px}
.backlight-icon.tape:after{width:18px;height:10px;background:#7c3aed;top:27px;right:39px;border-radius:3px}
.backlight-icon.boxes{background:#ecfeff}
.backlight-icon.boxes:before{width:24px;height:24px;background:#0891b2;border-radius:6px;top:13px;right:12px;box-shadow:20px 0 0 #06b6d4,10px 20px 0 #0e7490}
.backlight-icon.boxes:after{display:none}
.backlight-icon.blower{background:#fee2e2}
.backlight-icon.blower:before{width:36px;height:22px;background:#dc2626;border-radius:14px 6px 6px 14px;top:22px;right:16px}
.backlight-icon.blower:after{width:20px;height:4px;background:#dc2626;top:25px;right:4px;box-shadow:0 8px 0 #dc2626,0 16px 0 #dc2626}

.mainboard-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#ecfdf5;position:relative}
.mainboard-icon:before,.mainboard-icon:after{content:"";position:absolute}
.mainboard-icon.cpu:before{width:40px;height:40px;background:#111827;border-radius:9px;top:12px;right:12px;box-shadow:inset 0 0 0 4px rgba(255,255,255,.18)}
.mainboard-icon.cpu:after{width:4px;height:12px;background:#6b7280;top:0;right:20px;box-shadow:8px 0 0 #6b7280,16px 0 0 #6b7280,24px 0 0 #6b7280,0 52px 0 #6b7280,8px 52px 0 #6b7280,16px 52px 0 #6b7280,24px 52px 0 #6b7280}
.mainboard-icon.memory{background:#f5f3ff}
.mainboard-icon.memory:before{width:44px;height:28px;background:#7c3aed;border-radius:8px;top:18px;right:10px}
.mainboard-icon.memory:after{width:4px;height:10px;background:#4c1d95;top:46px;right:16px;box-shadow:7px 0 0 #4c1d95,14px 0 0 #4c1d95,21px 0 0 #4c1d95,28px 0 0 #4c1d95}
.mainboard-icon.hdmi{background:#eff6ff}
.mainboard-icon.hdmi:before{width:46px;height:28px;background:#4f46e5;border-radius:7px;top:18px;right:9px}
.mainboard-icon.hdmi:after{width:28px;height:10px;background:#c7d2fe;border-radius:3px;top:27px;right:18px}
.mainboard-icon.audio{background:#fff7ed}
.mainboard-icon.audio:before{width:24px;height:30px;background:#f59e0b;clip-path:polygon(0 30%,45% 30%,100% 0,100% 100%,45% 70%,0 70%);top:17px;right:12px}
.mainboard-icon.audio:after{width:16px;height:28px;border:4px solid #f59e0b;border-color:#f59e0b #f59e0b transparent transparent;border-radius:50%;top:18px;right:36px}

.tcon-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#f5f3ff;position:relative}
.tcon-icon:before,.tcon-icon:after{content:"";position:absolute}
.tcon-icon.board:before{width:48px;height:34px;background:#7c3aed;border-radius:9px;top:15px;right:8px;box-shadow:inset 0 0 0 3px rgba(255,255,255,.25)}
.tcon-icon.board:after{width:4px;height:12px;background:#4c1d95;top:49px;right:14px;box-shadow:7px 0 0 #4c1d95,14px 0 0 #4c1d95,21px 0 0 #4c1d95,28px 0 0 #4c1d95,35px 0 0 #4c1d95}
.tcon-icon.panel{background:#eff6ff}
.tcon-icon.panel:before{width:48px;height:36px;background:#dbeafe;border:4px solid #4f46e5;border-radius:9px;top:13px;right:8px}
.tcon-icon.panel:after{width:3px;height:34px;background:#4f46e5;top:15px;right:28px;box-shadow:10px 0 0 #4f46e5,20px 0 0 #4f46e5}
.tcon-icon.gamma{background:#fff7ed}
.tcon-icon.gamma:before{width:44px;height:30px;border:4px solid #f59e0b;border-radius:9px;top:17px;right:10px}
.tcon-icon.gamma:after{width:7px;height:7px;border-radius:50%;background:#f59e0b;top:25px;right:18px;box-shadow:10px 4px 0 #f59e0b,20px 8px 0 #f59e0b,30px 12px 0 #f59e0b}
.tcon-icon.cof{background:#f0fdf4}
.tcon-icon.cof:before{width:48px;height:18px;background:#16a34a;border-radius:6px;top:23px;right:8px}
.tcon-icon.cof:after{width:5px;height:24px;background:#166534;top:41px;right:14px;box-shadow:8px 0 0 #166534,16px 0 0 #166534,24px 0 0 #166534,32px 0 0 #166534,40px 0 0 #166534}

.remote-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#eff6ff;position:relative}
.remote-icon:before,.remote-icon:after{content:"";position:absolute}
.remote-icon.remote:before{width:26px;height:52px;background:#111827;border-radius:14px;top:6px;right:19px}
.remote-icon.remote:after{width:8px;height:8px;background:#dc2626;border-radius:50%;top:12px;right:28px;box-shadow:0 15px 0 #6b7280,0 27px 0 #6b7280,0 39px 0 #6b7280}
.remote-icon.ir{background:#fff7ed}
.remote-icon.ir:before{width:18px;height:18px;background:#dc2626;border-radius:50%;top:23px;right:12px}
.remote-icon.ir:after{width:35px;height:35px;border:5px solid #f59e0b;border-color:#f59e0b #f59e0b transparent transparent;border-radius:50%;top:14px;right:22px}
.remote-icon.button{background:#f0fdf4}
.remote-icon.button:before{width:42px;height:42px;background:#16a34a;border-radius:50%;top:11px;right:11px}
.remote-icon.button:after{width:24px;height:8px;background:#dcfce7;border-radius:8px;top:28px;right:20px}
.remote-icon.receiver{background:#f5f3ff}
.remote-icon.receiver:before{width:44px;height:30px;background:#7c3aed;border-radius:9px;top:18px;right:10px}
.remote-icon.receiver:after{width:12px;height:12px;background:#f5f3ff;border-radius:50%;top:27px;right:16px;box-shadow:15px 0 0 #f5f3ff}
.remote-icon.battery{background:#fee2e2}
.remote-icon.battery:before{width:44px;height:24px;border:4px solid #dc2626;border-radius:8px;top:20px;right:9px}
.remote-icon.battery:after{width:8px;height:12px;background:#dc2626;top:26px;right:53px;border-radius:2px}

.receiver-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#eff6ff;position:relative}
.receiver-icon:before,.receiver-icon:after{content:"";position:absolute}
.receiver-icon.box:before{width:48px;height:30px;background:#111827;border-radius:9px;top:20px;right:8px}
.receiver-icon.box:after{width:8px;height:8px;background:#22c55e;border-radius:50%;top:31px;right:16px;box-shadow:14px 0 0 #f59e0b,28px 0 0 #3b82f6}
.receiver-icon.tuner{background:#f0fdf4}
.receiver-icon.tuner:before{width:42px;height:30px;background:#16a34a;border-radius:8px;top:18px;right:11px}
.receiver-icon.tuner:after{width:36px;height:4px;background:#166534;top:10px;right:14px;transform:rotate(-25deg);box-shadow:0 40px 0 #166534}
.receiver-icon.hdmi{background:#f5f3ff}
.receiver-icon.hdmi:before{width:46px;height:28px;background:#7c3aed;border-radius:7px;top:18px;right:9px}
.receiver-icon.hdmi:after{width:28px;height:10px;background:#ddd6fe;border-radius:3px;top:27px;right:18px}
.receiver-icon.signal{background:#fff7ed}
.receiver-icon.signal:before{width:12px;height:12px;background:#f59e0b;border-radius:50%;top:39px;right:14px}
.receiver-icon.signal:after{width:42px;height:42px;border:5px solid #f59e0b;border-color:#f59e0b #f59e0b transparent transparent;border-radius:50%;top:10px;right:12px}
.receiver-icon.usb{background:#ecfeff}
.receiver-icon.usb:before{width:20px;height:42px;background:#0891b2;border-radius:7px;top:11px;right:22px}
.receiver-icon.usb:after{width:34px;height:7px;background:#0891b2;top:11px;right:15px;border-radius:4px}

.mw-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#fff7ed;position:relative}
.mw-icon:before,.mw-icon:after{content:"";position:absolute}
.mw-icon.oven:before{width:50px;height:36px;background:#111827;border-radius:10px;top:14px;right:7px}
.mw-icon.oven:after{width:26px;height:20px;background:#1e293b;border-radius:5px;top:22px;right:14px;box-shadow:30px 3px 0 -8px #f59e0b,30px 14px 0 -8px #22c55e}
.mw-icon.hv{background:#fee2e2}
.mw-icon.hv:before{width:0;height:0;border-left:24px solid transparent;border-right:24px solid transparent;border-bottom:44px solid #dc2626;top:9px;right:8px}
.mw-icon.hv:after{content:"⚡";background:transparent;color:#fff;font-size:28px;font-weight:900;top:22px;right:22px}
.mw-icon.cap{background:#eff6ff}
.mw-icon.cap:before{width:30px;height:44px;background:#4f46e5;border-radius:8px;top:10px;right:17px}
.mw-icon.cap:after{width:38px;height:4px;background:#3730a3;top:20px;right:13px;box-shadow:0 24px 0 #3730a3}
.mw-icon.motor{background:#f0fdf4}
.mw-icon.motor:before{width:40px;height:40px;border:5px solid #16a34a;border-radius:50%;top:9px;right:9px}
.mw-icon.motor:after{width:5px;height:40px;background:#16a34a;top:12px;right:29px;box-shadow:12px 0 0 #16a34a,-12px 0 0 #16a34a}

.vacuum-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#eff6ff;position:relative}
.vacuum-icon:before,.vacuum-icon:after{content:"";position:absolute}
.vacuum-icon.cleaner:before{width:48px;height:28px;background:#111827;border-radius:18px 18px 12px 12px;top:25px;right:8px}
.vacuum-icon.cleaner:after{width:12px;height:12px;background:#374151;border-radius:50%;top:45px;right:14px;box-shadow:28px 0 0 #374151}
.vacuum-icon.motor{background:#fff7ed}
.vacuum-icon.motor:before{width:42px;height:42px;border:5px solid #f59e0b;border-radius:50%;top:9px;right:9px}
.vacuum-icon.motor:after{width:5px;height:38px;background:#f59e0b;top:13px;right:30px;box-shadow:12px 0 0 #f59e0b,-12px 0 0 #f59e0b}
.vacuum-icon.filter{background:#f0fdf4}
.vacuum-icon.filter:before{width:44px;height:38px;background:#16a34a;border-radius:9px;top:13px;right:10px}
.vacuum-icon.filter:after{width:30px;height:4px;background:#dcfce7;top:22px;right:17px;box-shadow:0 9px 0 #dcfce7,0 18px 0 #dcfce7}
.vacuum-icon.cord{background:#f5f3ff}
.vacuum-icon.cord:before{width:40px;height:28px;border:5px solid #7c3aed;border-radius:50%;top:15px;right:12px}
.vacuum-icon.cord:after{width:32px;height:6px;background:#7c3aed;border-radius:6px;top:43px;right:25px;transform:rotate(25deg)}
.vacuum-icon.brush{background:#fee2e2}
.vacuum-icon.brush:before{width:40px;height:22px;background:#dc2626;border-radius:8px;top:20px;right:12px}
.vacuum-icon.brush:after{width:4px;height:18px;background:#991b1b;top:42px;right:16px;box-shadow:7px 0 0 #991b1b,14px 0 0 #991b1b,21px 0 0 #991b1b,28px 0 0 #991b1b}

.robotvac-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#eff6ff;position:relative}
.robotvac-icon:before,.robotvac-icon:after{content:"";position:absolute}
.robotvac-icon.robot:before{width:48px;height:48px;background:#111827;border-radius:50%;top:8px;right:8px}
.robotvac-icon.robot:after{width:16px;height:16px;background:#7c3aed;border-radius:50%;top:14px;right:24px;box-shadow:-15px 25px 0 -4px #f59e0b,15px 25px 0 -4px #22c55e}
.robotvac-icon.battery{background:#f0fdf4}
.robotvac-icon.battery:before{width:44px;height:26px;border:4px solid #16a34a;border-radius:8px;top:19px;right:8px}
.robotvac-icon.battery:after{width:9px;height:14px;background:#16a34a;top:25px;right:52px;border-radius:3px}
.robotvac-icon.sensor{background:#fff7ed}
.robotvac-icon.sensor:before{width:18px;height:18px;background:#f59e0b;border-radius:50%;top:23px;right:10px}
.robotvac-icon.sensor:after{width:38px;height:38px;border:5px solid #f59e0b;border-color:#f59e0b #f59e0b transparent transparent;border-radius:50%;top:12px;right:22px}
.robotvac-icon.lidar{background:#f5f3ff}
.robotvac-icon.lidar:before{width:44px;height:44px;border:5px solid #7c3aed;border-radius:50%;top:8px;right:8px}
.robotvac-icon.lidar:after{width:34px;height:5px;background:#7c3aed;top:30px;right:15px;transform:rotate(25deg)}
.robotvac-icon.wheel{background:#fee2e2}
.robotvac-icon.wheel:before{width:42px;height:42px;background:#dc2626;border-radius:50%;top:10px;right:11px}
.robotvac-icon.wheel:after{width:24px;height:24px;background:#fee2e2;border-radius:50%;top:19px;right:20px}
.robotvac-icon.brush{background:#ecfeff}
.robotvac-icon.brush:before{width:42px;height:18px;background:#0891b2;border-radius:8px;top:23px;right:11px}
.robotvac-icon.brush:after{width:4px;height:18px;background:#0e7490;top:41px;right:16px;box-shadow:7px 0 0 #0e7490,14px 0 0 #0e7490,21px 0 0 #0e7490,28px 0 0 #0e7490}

.batt-icon{width:64px;height:64px;border-radius:20px;margin-bottom:16px;background:#f0fdf4;position:relative}
.batt-icon:before,.batt-icon:after{content:"";position:absolute}
.batt-icon.pack:before{width:46px;height:28px;border:5px solid #16a34a;border-radius:9px;top:18px;right:8px}
.batt-icon.pack:after{width:9px;height:14px;background:#16a34a;border-radius:3px;top:25px;right:53px}
.batt-icon.bms{background:#eff6ff}
.batt-icon.bms:before{width:46px;height:34px;background:#4f46e5;border-radius:9px;top:15px;right:9px}
.batt-icon.bms:after{width:6px;height:6px;background:#c7d2fe;border-radius:50%;top:24px;right:18px;box-shadow:12px 0 0 #c7d2fe,24px 0 0 #c7d2fe,0 12px 0 #c7d2fe,12px 12px 0 #c7d2fe,24px 12px 0 #c7d2fe}
.batt-icon.charger{background:#fff7ed}
.batt-icon.charger:before{width:36px;height:34px;background:#f59e0b;border-radius:10px;top:16px;right:14px}
.batt-icon.charger:after{width:5px;height:16px;background:#92400e;top:7px;right:24px;box-shadow:12px 0 0 #92400e}
.batt-icon.warn{background:#fee2e2}
.batt-icon.warn:before{width:0;height:0;border-left:24px solid transparent;border-right:24px solid transparent;border-bottom:44px solid #dc2626;top:9px;right:8px}
.batt-icon.warn:after{content:"!";font-weight:900;color:#fff;background:transparent;top:23px;right:28px;font-size:24px}
.batt-icon.load{background:#f5f3ff}
.batt-icon.load:before{width:42px;height:26px;border:5px solid #7c3aed;border-radius:8px;top:19px;right:9px}
.batt-icon.load:after{width:30px;height:5px;background:#7c3aed;top:31px;right:17px;transform:rotate(-18deg)}

/* RESPONSIVE */
@media(max-width:1024px){.admin-layout{grid-template-columns:240px minmax(0,1fr)}}
@media(max-width:920px){
  .admin-layout{grid-template-columns:1fr}
  .admin-sidebar{position:relative;top:auto;max-height:360px}
  .hero-grid,.tools-layout,.lesson-layout,.visual-row{grid-template-columns:1fr}
  .lesson-sidebar{position:relative;top:auto}
  .admin-stats-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .lesson-index-grid{grid-template-columns:1fr}
  .curriculum-group{padding:16px}
  .stats{grid-template-columns:repeat(3,1fr)}
  .hero{padding:48px 0 32px}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column}
  .quick-track-nav a{font-size:.82rem;padding:7px 12px}
  .admin-stats-row{grid-template-columns:1fr 1fr}
}

/* ═══════════════════════════════════════════
   IMAGE GALLERY SLOTS — lesson pages
═══════════════════════════════════════════ */
.lesson-img-gallery{
  margin-top:22px;
  background:var(--bg-alt);
  border:1.5px dashed var(--line);
  border-radius:18px;
  padding:16px;
}
.lesson-img-gallery-head{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  font-weight:800;
  color:var(--muted);
  font-size:.92rem;
}
.gallery-icon{font-size:1.1rem}
.gallery-count{
  margin-inline-start:auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:2px 10px;
  font-size:.8rem;
  color:var(--muted);
}
.lesson-img-grid{
  display:grid;
  gap:12px;
}
.lesson-img-grid[data-cols="1"]{grid-template-columns:1fr}
.lesson-img-grid[data-cols="2"]{grid-template-columns:repeat(2,1fr)}
.lesson-img-grid[data-cols="3"]{grid-template-columns:repeat(3,1fr)}
.lesson-img-grid[data-cols="4"]{grid-template-columns:repeat(4,1fr)}

/* Single slot */
.img-slot{
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  aspect-ratio:4/3;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  transition:.2s;
  position:relative;
}
.img-slot.has-image{
  border-color:var(--primary-light);
  border-style:solid;
}
.img-slot-placeholder{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:12px;
  text-align:center;
  width:100%;
  height:100%;
}
.img-slot-icon{font-size:1.8rem;opacity:.3}
.img-slot-label{
  font-size:.78rem;
  color:var(--muted);
  font-weight:700;
  line-height:1.4;
  text-align:center;
}
.img-slot-img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:12px;
}
.img-slot.has-image .img-slot-placeholder{display:none}
.img-slot.has-image .img-slot-img{display:block!important}

/* Lightbox on click */
.img-slot.has-image{cursor:zoom-in}

/* Lightbox overlay */
.img-lightbox{
  position:fixed;
  inset:0;
  background:rgba(13,16,48,.85);
  backdrop-filter:blur(12px);
  z-index:999;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  opacity:0;
  pointer-events:none;
  transition:.25s;
}
.img-lightbox.open{opacity:1;pointer-events:all}
.img-lightbox img{
  max-width:90vw;
  max-height:85vh;
  border-radius:18px;
  box-shadow:0 32px 80px rgba(0,0,0,.5);
}
.lightbox-label{
  position:absolute;
  bottom:28px;
  left:50%;
  transform:translateX(-50%);
  background:rgba(255,255,255,.15);
  backdrop-filter:blur(8px);
  color:#fff;
  padding:8px 20px;
  border-radius:999px;
  font-size:.92rem;
  font-weight:700;
}
.lightbox-close{
  position:absolute;
  top:20px;
  left:20px;
  width:40px;height:40px;
  background:rgba(255,255,255,.15);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.3rem;cursor:pointer;border:0;
  backdrop-filter:blur(8px);
  transition:.2s;
}
.lightbox-close:hover{background:rgba(255,255,255,.25)}

@media(max-width:760px){
  .lesson-img-grid[data-cols="3"],.lesson-img-grid[data-cols="4"]{grid-template-columns:repeat(2,1fr)}
  .lesson-img-grid[data-cols="2"]{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .lesson-img-grid{grid-template-columns:repeat(2,1fr)!important}
}

/* ═══════════════════════════════════════════
   ADMIN — IMAGE UPLOAD CARD
═══════════════════════════════════════════ */
.admin-img-field{
  background:var(--card);
  border:1.5px solid var(--line);
  border-radius:16px;
  padding:14px 16px;
  margin-bottom:10px;
  transition:.2s;
}
.admin-img-field:hover{border-color:var(--primary-light)}
.admin-img-field-head{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
}
.admin-img-field-head strong{font-size:.95rem;color:var(--text);flex:1}
.admin-img-field-head .slot-preview{
  width:52px;height:40px;
  border-radius:8px;
  border:1px solid var(--line);
  object-fit:cover;
  background:var(--bg-alt);
  display:flex;align-items:center;justify-content:center;
  font-size:.8rem;color:var(--muted);
  overflow:hidden;
  flex-shrink:0;
}
.admin-img-field-head .slot-preview img{width:100%;height:100%;object-fit:cover}
.admin-img-input-row{
  display:flex;
  gap:8px;
  align-items:center;
}
.admin-img-input-row input{
  flex:1;
  border:1.5px solid var(--line);
  border-radius:10px;
  padding:8px 12px;
  font-size:.88rem;
  font-family:inherit;
  color:var(--text);
  background:#fff;
  outline:none;
  transition:.2s;
}
.admin-img-input-row input:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(79,70,229,.1)}
.btn-upload-fb{
  display:inline-flex;align-items:center;gap:5px;
  padding:8px 12px;
  border-radius:10px;
  border:1.5px solid var(--line);
  background:#fff;
  color:#334155;
  font-size:.82rem;
  font-weight:800;
  cursor:pointer;
  transition:.2s;
  white-space:nowrap;
  font-family:inherit;
}
.btn-upload-fb:hover{border-color:var(--accent);color:var(--accent);background:#e0f2fe}
.btn-upload-fb.uploading{opacity:.6;pointer-events:none}
.upload-progress{
  width:100%;
  height:4px;
  background:var(--line);
  border-radius:999px;
  margin-top:6px;
  overflow:hidden;
  display:none;
}
.upload-progress-bar{
  height:100%;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:999px;
  transition:width .2s;
}
.admin-gallery-section{
  background:var(--bg-alt);
  border-radius:16px;
  padding:16px;
  margin-bottom:16px;
  border:1px solid var(--line);
}
.admin-gallery-section-head{
  font-weight:900;
  color:var(--primary);
  font-size:.88rem;
  text-transform:uppercase;
  letter-spacing:.4px;
  margin-bottom:12px;
  display:flex;align-items:center;gap:6px;
}
.firebase-status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:.82rem;
  font-weight:800;
}
.firebase-status.connected{background:#d1fae5;color:#065f46}
.firebase-status.disconnected{background:#fee2e2;color:#7f1d1d}
.firebase-status.loading{background:#fef3c7;color:#78350f}


/* ================= ACADEMY UPGRADE ================= */
.academy-strip{background:linear-gradient(135deg,rgba(79,70,229,.09),rgba(14,165,233,.09));border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.academy-strip .container{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap}.academy-strip a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:900;color:#334155;box-shadow:var(--shadow-sm)}
.academy-feature-grid,.academy-grid,.pricing-grid,.project-grid,.case-grid,.download-grid,.tools-academy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:16px}.academy-card,.price-card,.project-card,.case-card,.download-card,.tool-card,.dashboard-list,.login-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow-sm)}.academy-card h3,.price-card h3,.project-card h3,.case-card h3,.download-card h3,.tool-card h3{margin-bottom:8px}.academy-card p,.project-card p,.case-card p,.download-card p,.tool-card p{color:var(--muted);margin-top:0}.tag{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;background:var(--bg-alt);color:var(--primary);font-weight:900;font-size:.84rem;margin-bottom:10px}.price{font-size:2.1rem;font-weight:900;color:var(--primary);margin:10px 0}.price small{font-size:1rem;color:var(--muted)}.price-card.featured{border-color:var(--primary-light);background:linear-gradient(180deg,#fff,#f7f7ff)}.academy-path-list{display:grid;gap:10px;margin:18px 0}.academy-path-list a{display:flex;justify-content:space-between;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 14px;font-weight:800}.free-badge,.paid-badge{border-radius:999px;padding:3px 9px;font-size:.78rem;font-weight:900}.free-badge{background:#dcfce7;color:#166534}.paid-badge{background:#fef3c7;color:#92400e}.academy-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.lesson-upgrade-panel{background:linear-gradient(135deg,#fff,#f8fbff);border:1px solid var(--line);border-radius:24px;padding:22px;margin-bottom:20px;box-shadow:var(--shadow-sm)}.academy-lesson-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}.lesson-status-pill{border-radius:999px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;padding:7px 12px;font-weight:900}.lesson-status-pill.done{background:#dcfce7;color:#166534;border-color:#bbf7d0}.lesson-meta-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:15px 0}.lesson-meta-grid span{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px}.lesson-two-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.lesson-two-cols>div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.premium-inline-note{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:16px;padding:12px;margin:12px 0;font-weight:800}.progress-shell{height:16px;background:#e5e7eb;border-radius:999px;overflow:hidden}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;transition:.35s}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}.dashboard-stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:var(--shadow-sm)}.dashboard-stat span{display:block;color:var(--muted)}.dashboard-stat strong{font-size:1.8rem;color:var(--primary)}.badges-row{display:flex;gap:8px;flex-wrap:wrap}.badge-item{background:#eef2ff;border:1px solid #c7d2fe;color:#3730a3;border-radius:999px;padding:7px 12px;font-weight:900}.quiz-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;margin-bottom:12px}.quiz-options{display:grid;gap:8px}.quiz-options label{display:flex;gap:8px;align-items:flex-start;background:var(--bg);border:1px solid var(--line);padding:10px;border-radius:14px;cursor:pointer}.quiz-result{font-weight:900;border-radius:18px;padding:14px;margin-top:16px}.quiz-pass{background:#dcfce7;color:#166534}.quiz-fail{background:#fee2e2;color:#991b1b}.certificate-paper{background:#fff;border:8px double var(--primary-light);border-radius:22px;padding:40px;text-align:center;box-shadow:var(--shadow);margin-top:20px}.certificate-paper h2{font-size:2.2rem}.certificate-name{font-size:2rem;font-weight:900;color:var(--primary);margin:18px 0}.print-tools{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.admin-form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.admin-form-grid label{font-weight:900}.admin-form-grid input,.admin-form-grid select,.admin-form-grid textarea,.login-card input{width:100%;margin-top:7px;border:1.5px solid var(--line);border-radius:14px;padding:12px;font-family:inherit}.admin-form-grid textarea{min-height:130px}.admin-form-grid .full{grid-column:1/-1}.muted-box{background:#fff;border:1px dashed var(--line);padding:12px;border-radius:16px;color:var(--muted)}.case-steps ol{padding-inline-start:22px}.lesson-index-card::after{content:attr(data-access);position:absolute;top:12px;left:12px;border-radius:999px;padding:2px 8px;font-size:.72rem;font-weight:900;background:#f1f5f9;color:#334155}.lesson-index-card[data-free="true"]::after{background:#dcfce7;color:#166534}.lesson-index-card[data-free="false"]::after{background:#fef3c7;color:#92400e}.lesson-index-card{position:relative}.login-card{max-width:520px;margin:auto}
@media print{.site-header,.academy-strip,.hero-actions,.nav-cta,.btn,.main-nav,.site-footer,.lesson-sidebar{display:none!important}body{background:#fff}.certificate-paper,.dashboard-list,.lesson-upgrade-panel{box-shadow:none}.section,.hero{padding:10px 0}.container{width:100%}}

/* Firebase admin auth card */
.admin-auth-card{
  margin-top:16px;
  padding:16px;
  border:1px solid rgba(14,165,233,.18);
  background:linear-gradient(135deg,rgba(14,165,233,.08),rgba(245,158,11,.08));
  border-radius:18px;
  box-shadow:0 10px 28px rgba(15,23,42,.06);
  display:grid;
  gap:12px;
}
.admin-auth-status strong{display:block;font-size:1rem;color:var(--text)}
.admin-auth-status span{display:block;color:var(--muted);font-size:.9rem;margin-top:4px;line-height:1.7}
.admin-auth-form{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:center}
.admin-auth-form input{border:1px solid var(--border);border-radius:12px;padding:11px;background:#fff;min-width:0}
.admin-auth-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.admin-auth-actions code{direction:ltr;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:10px 12px;display:inline-block;max-width:100%;overflow:auto}
@media(max-width:780px){.admin-auth-form{grid-template-columns:1fr}.admin-auth-actions{align-items:stretch}.admin-auth-actions .btn{width:100%;justify-content:center}}

/* Firebase seed/import page */
.seed-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));gap:12px;margin-top:22px}
.seed-summary-card{background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:18px;padding:16px;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.seed-summary-card strong{display:block;font-size:1.6rem;color:var(--primary,#f97316);line-height:1}
.seed-summary-card span{display:block;margin-top:8px;color:#475569;font-size:.92rem}
.seed-layout{display:grid;grid-template-columns:320px 1fr;gap:22px;align-items:start}
.seed-panel{background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:22px;padding:22px;box-shadow:0 14px 40px rgba(15,23,42,.07)}
.seed-main-panel{min-height:420px}.seed-login-form{display:grid;gap:10px}.seed-login-form input{width:100%;border:1px solid #e2e8f0;border-radius:14px;padding:12px 14px;font:inherit}.seed-user-box{margin-top:14px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:14px}.seed-user-box code{display:block;direction:ltr;text-align:left;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:10px;margin:10px 0;white-space:normal;word-break:break-all}.seed-actions{display:flex;flex-wrap:wrap;gap:10px}.seed-actions button:disabled{opacity:.55;cursor:not-allowed}.seed-progress-wrap{margin:22px 0}.seed-progress{height:14px;background:#e2e8f0;border-radius:999px;overflow:hidden}.seed-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,#f97316,#22c55e);border-radius:inherit;transition:width .25s ease}.seed-progress-wrap p{margin-top:8px;color:#475569}.seed-log{background:#0f172a;color:#e2e8f0;border-radius:18px;padding:14px;min-height:210px;max-height:360px;overflow:auto;direction:rtl}.seed-log-line{padding:8px 10px;border-bottom:1px solid rgba(255,255,255,.08);font-size:.92rem}.seed-log-success{color:#86efac}.seed-log-error{color:#fca5a5}.seed-log-info{color:#bfdbfe}@media(max-width:850px){.seed-layout{grid-template-columns:1fr}.seed-panel{padding:16px}.seed-actions{display:grid}.seed-summary-grid{grid-template-columns:repeat(2,1fr)}}

/* Firebase-only v41 additions */
.loading-card,.error-card,.locked-lesson,.lesson-meta-card,.admin-panel,.certificate-card{background:#fff;border:1px solid rgba(15,23,42,.10);border-radius:24px;padding:24px;box-shadow:0 12px 35px rgba(15,23,42,.07)}
.loading-card{text-align:center;font-weight:800;color:#475569}.error-card{border-color:rgba(220,38,38,.25);background:#fff7f7}.code-box{background:#0f172a;color:#e2e8f0;border-radius:16px;padding:14px;white-space:pre-wrap;overflow:auto;direction:ltr;text-align:left}.meta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.meta-row span,.uid-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:10px 12px}.paid-tag{background:#fff7ed!important;color:#c2410c!important;border-color:#fed7aa!important}.lesson-reader{max-width:1050px}.lesson-dynamic-section{background:#fff;border:1px solid rgba(15,23,42,.09);border-radius:24px;padding:24px;margin:18px 0;box-shadow:0 10px 28px rgba(15,23,42,.05)}.lesson-dynamic-section h2{margin-top:0}.lesson-actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.locked-lesson{text-align:center;max-width:920px;margin:auto}.big-number{font-size:46px;font-weight:900;color:#ea580c;margin:0}.small-muted{color:#64748b}.quiz-answer{margin:6px}.quiz-answer.correct{background:#16a34a!important;color:#fff!important}.quiz-answer.wrong{background:#dc2626!important;color:#fff!important}.firebase-form input,.firebase-form select,.firebase-form textarea,.admin-grid-form input,.admin-grid-form select{width:100%;padding:12px 14px;border:1px solid #cbd5e1;border-radius:14px;background:#fff}.firebase-form{display:grid;gap:12px}.admin-tools-body{background:#f8fafc}.admin-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.admin-sidebar{background:#111827;color:#fff;padding:24px;position:sticky;top:0;height:100vh}.admin-sidebar .brand{color:#fff}.admin-side-nav{display:grid;gap:10px;margin-top:28px}.admin-side-nav a{color:#e5e7eb;text-decoration:none;background:rgba(255,255,255,.08);padding:12px 14px;border-radius:14px}.admin-side-nav a:hover{background:rgba(255,255,255,.16)}.admin-main{padding:28px;max-width:1180px;width:100%}.admin-hero{background:linear-gradient(135deg,#fff7ed,#fff);border:1px solid #fed7aa;border-radius:28px;padding:28px;margin-bottom:22px}.admin-panel{margin:18px 0}.admin-inline-form{grid-template-columns:1fr 1fr auto auto;align-items:end}.admin-grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:end}.check-row{display:flex!important;align-items:center;gap:8px}.check-row input{width:auto!important}.json-editor{width:100%;min-height:360px;margin-top:14px;border:1px solid #cbd5e1;border-radius:18px;padding:16px;font-family:monospace;font-size:14px}.admin-log .log{padding:10px 12px;border-radius:12px;background:#f1f5f9;margin:8px 0}.admin-log .success{background:#dcfce7;color:#166534}.admin-log .error{background:#fee2e2;color:#991b1b}.admin-table-wrap{margin-top:12px}.muted{color:#64748b}.firebase-card-html{margin:12px 0}.certificate-card{text-align:center;max-width:800px;margin:auto;padding:60px 30px;border:4px double #f97316}.site-footer{padding:24px 0;background:#0f172a;color:#fff;text-align:center;margin-top:40px}
@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:relative;height:auto}.admin-inline-form,.admin-grid-form{grid-template-columns:1fr}.admin-main{padding:16px}.main-nav{display:flex;overflow:auto;white-space:nowrap}.lesson-dynamic-section{padding:18px}.meta-row{display:grid}}

/* v45 advanced admin panel */
.admin-shell-pro{align-items:stretch;min-height:100vh;background:linear-gradient(135deg,#fff7ed 0%,#f8fafc 45%,#eef2ff 100%)}
.admin-sidebar-pro{position:sticky;top:0;height:100vh;overflow:auto;border-left:1px solid rgba(15,23,42,.08);background:rgba(255,255,255,.88);backdrop-filter:blur(14px)}
.admin-brand small{display:block;color:#64748b;font-size:.78rem;margin-top:.2rem}.admin-side-note{margin:18px 8px 0;padding:14px;border-radius:18px;background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12;font-size:.88rem;display:grid;gap:6px}.admin-main-pro{max-width:1320px}.admin-hero-pro{display:flex;align-items:center;justify-content:space-between;gap:18px;background:linear-gradient(135deg,#111827,#334155);color:#fff;border:0;box-shadow:0 20px 45px rgba(15,23,42,.18)}.admin-hero-pro p,.admin-hero-pro .eyebrow{color:#e2e8f0}.admin-hero-actions{display:flex;gap:10px;flex-wrap:wrap}.admin-panel-pro{border:1px solid rgba(15,23,42,.08);box-shadow:0 18px 40px rgba(15,23,42,.08);border-radius:24px}.panel-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.panel-title-row h2{margin:0 0 6px}.compact-actions,.panel-actions{display:flex;gap:8px;flex-wrap:wrap}.status-pill{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;background:#eef2ff;color:#3730a3;border:1px solid #c7d2fe;padding:6px 10px;font-weight:800;font-size:.82rem;white-space:nowrap}.status-pill.success{background:#dcfce7;color:#166534;border-color:#86efac}.status-pill.warning{background:#fef3c7;color:#92400e;border-color:#fde68a}.status-pill.danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}.status-pill.muted{background:#f1f5f9;color:#475569;border-color:#e2e8f0}.admin-stats-grid{display:grid;grid-template-columns:repeat(5,minmax(120px,1fr));gap:12px}.stat-card{padding:16px;border-radius:20px;background:#fff;border:1px solid #e2e8f0;box-shadow:0 8px 25px rgba(15,23,42,.06)}.stat-card span{display:block;color:#64748b;font-size:.86rem}.stat-card strong{display:block;font-size:2rem;color:#0f172a;margin-top:6px}.admin-filters-row{display:grid;grid-template-columns:1fr 190px auto;gap:10px;margin:10px 0 16px}.admin-filters-row input,.admin-filters-row select,.admin-grid-form input,.admin-grid-form select{width:100%;border:1px solid #cbd5e1;border-radius:14px;padding:12px 14px;background:#fff;color:#0f172a;outline:none}.admin-filters-row input:focus,.admin-filters-row select:focus,.admin-grid-form input:focus,.admin-grid-form select:focus{border-color:#f97316;box-shadow:0 0 0 4px rgba(249,115,22,.12)}.split-admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}.mini-list-panel{background:#f8fafc;border:1px solid #e2e8f0;border-radius:20px;padding:14px}.mini-list-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.mini-list-head h3{margin:0;font-size:1rem}.admin-list-box{max-height:360px;overflow:auto;display:grid;gap:8px;padding-left:4px}.admin-mini-item{width:100%;text-align:right;border:1px solid #e2e8f0;background:#fff;border-radius:16px;padding:12px;display:grid;gap:4px;cursor:pointer;transition:.18s ease;color:#0f172a}.admin-mini-item:hover{border-color:#fb923c;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,23,42,.08)}.admin-mini-item strong{font-size:.94rem}.admin-mini-item small{color:#64748b}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.btn-small{padding:7px 10px!important;font-size:.82rem!important;border-radius:12px!important}.danger{border-color:#fecaca!important;color:#991b1b!important}.danger:hover{background:#fee2e2!important}.access-form-pro{grid-template-columns:repeat(2,minmax(180px,1fr));align-items:end}.editor-grid-pro{grid-template-columns:1fr 1fr auto auto}.content-editor-layout{display:grid;grid-template-columns:310px 1fr;gap:14px;margin-top:14px}.document-list{height:520px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:18px;padding:10px}.json-editor{min-height:520px;border-radius:18px;border:1px solid #cbd5e1;padding:16px;background:#0f172a;color:#e2e8f0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.7;direction:ltr;text-align:left}.admin-tools-grid-buttons{display:grid;grid-template-columns:repeat(4,minmax(140px,1fr));gap:10px}.admin-log .log{border-radius:14px;padding:10px 12px;margin-bottom:8px;background:#f8fafc;border:1px solid #e2e8f0}.admin-log .log.success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}.admin-log .log.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.admin-table-wrap table small{color:#64748b}.check-row{display:flex!important;align-items:center;gap:10px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:12px!important}.check-row input{width:auto!important}.admin-inline-form{grid-template-columns:1fr 1fr auto auto}.admin-grid-form{display:grid;gap:12px}.admin-grid-form label{display:grid;gap:7px;font-weight:800;color:#334155}.small-muted{color:#64748b}.table-wrap table{width:100%;border-collapse:separate;border-spacing:0 8px}.table-wrap th{text-align:right;color:#64748b;font-size:.85rem;padding:8px 10px}.table-wrap td{background:#fff;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0;padding:12px 10px;vertical-align:middle}.table-wrap td:first-child{border-right:1px solid #e2e8f0;border-radius:0 14px 14px 0}.table-wrap td:last-child{border-left:1px solid #e2e8f0;border-radius:14px 0 0 14px}@media(max-width:1050px){.admin-shell-pro{display:block}.admin-sidebar-pro{position:relative;height:auto}.admin-side-nav{display:flex;overflow:auto;white-space:nowrap}.admin-hero-pro,.panel-title-row{display:grid}.admin-stats-grid{grid-template-columns:repeat(2,1fr)}.split-admin-grid,.content-editor-layout{grid-template-columns:1fr}.admin-filters-row,.editor-grid-pro,.access-form-pro,.admin-inline-form{grid-template-columns:1fr}.admin-tools-grid-buttons{grid-template-columns:1fr 1fr}.document-list{height:auto;max-height:320px}}@media(max-width:640px){.admin-stats-grid,.admin-tools-grid-buttons{grid-template-columns:1fr}.row-actions{display:grid}.admin-main-pro{padding:12px}.admin-panel-pro,.admin-hero-pro{border-radius:18px;padding:16px}.table-wrap{overflow:auto}.table-wrap table{min-width:720px}}


/* v46 import tools */
.import-help-card{display:grid;gap:6px;background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12;border-radius:18px;padding:14px;margin-bottom:14px}
.import-help-card strong{font-size:1rem}
.import-grid-pro{grid-template-columns:1fr 220px;align-items:stretch}
.import-grid-pro label:nth-child(3){grid-column:1 / -1}
.mini-json-editor{width:100%;min-height:150px;border:1px solid #cbd5e1;border-radius:16px;padding:14px;background:#0f172a;color:#e2e8f0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.6;text-align:left;direction:ltr}
.import-options-box{display:grid;gap:10px;align-content:start}
.import-actions-row{margin:14px 0}
.import-stats-grid{margin:12px 0}
@media(max-width:1050px){.import-grid-pro{grid-template-columns:1fr}.import-grid-pro label:nth-child(3){grid-column:auto}}

/* ═══════════════════════════════════════════════
   v47 ADDITIONS — Video, Dashboard, Design Polish
   ═══════════════════════════════════════════════ */

/* ── PROFESSIONAL ADMIN SHELL ── */
.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.admin-shell-pro .admin-sidebar-pro{position:sticky;top:0;height:100vh;overflow-y:auto;background:linear-gradient(180deg,#0f172a,#1e1b4b);color:#cbd5e1;padding:0;border-left:1px solid rgba(255,255,255,.07)}
.admin-brand{display:flex;align-items:center;gap:12px;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-brand .brand-icon{background:linear-gradient(135deg,#4f46e5,#818cf8)}
.admin-brand strong{color:#fff;font-size:1rem}
.admin-brand small{color:#94a3b8;font-size:.78rem}
.admin-side-nav{padding:12px 0}
.admin-side-nav a{display:flex;align-items:center;gap:10px;padding:11px 18px;color:#94a3b8;font-weight:700;font-size:.88rem;transition:.2s;border-right:3px solid transparent;text-decoration:none}
.admin-side-nav a:hover{color:#e2e8f0;background:rgba(255,255,255,.05);border-right-color:var(--primary-light)}
.admin-side-note{margin:16px;padding:14px;background:rgba(79,70,229,.15);border-radius:14px;border:1px solid rgba(79,70,229,.3);font-size:.82rem;color:#a5b4fc}
.admin-side-note strong{display:block;color:#818cf8;margin-bottom:4px;font-size:.84rem}
.admin-main-pro{padding:28px 32px;background:var(--bg);min-width:0}
.admin-hero-pro{background:linear-gradient(135deg,#1e1b4b,#312e81);border-radius:24px;padding:32px;color:#fff;margin-bottom:24px}
.admin-hero-pro .eyebrow{color:#a5b4fc}
.admin-hero-pro h1{color:#fff;font-size:clamp(1.4rem,3vw,2.2rem);margin-bottom:8px}
.admin-hero-pro p{color:rgba(255,255,255,.75);margin:0}
.admin-hero-actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.admin-panel-pro{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;margin-bottom:20px;box-shadow:var(--shadow-sm)}
.panel-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.panel-title-row h2{margin:0 0 4px;font-size:1.2rem}
.panel-title-row .small-muted{color:var(--muted);font-size:.88rem;margin:0}
.panel-actions{display:flex;gap:8px;flex-wrap:wrap}
.compact-actions .btn{padding:8px 14px;font-size:.86rem}
.btn-small{padding:7px 13px!important;font-size:.84rem!important}

/* ── ADMIN STATS GRID ── */
.admin-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px;margin-top:4px}
.stat-card{background:var(--bg);border:1.5px solid var(--line);border-radius:16px;padding:18px;text-align:center;transition:.2s}
.stat-card:hover{border-color:var(--primary-light);transform:translateY(-2px)}
.stat-card span{display:block;color:var(--muted);font-size:.84rem;margin-bottom:6px}
.stat-card strong{display:block;font-size:2rem;font-weight:900;color:var(--primary)}

/* ── ADMIN FILTERS ── */
.admin-filters-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.admin-filters-row input[type=search]{flex:1;min-width:200px;border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;font-family:inherit;font-size:.93rem;color:var(--text);background:#fff;outline:none}
.admin-filters-row input:focus,.admin-filters-row select:focus{border-color:var(--primary)}
.admin-filters-row select{border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;font-family:inherit;font-size:.93rem;background:#fff;color:var(--text);outline:none}

/* ── SPLIT GRID ── */
.split-admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}
.mini-list-panel{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:16px}
.mini-list-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mini-list-head h3{margin:0;font-size:.98rem}
.admin-list-box{max-height:200px;overflow-y:auto;display:flex;flex-direction:column;gap:4px}
.admin-mini-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-radius:10px;background:#fff;border:1px solid var(--line);cursor:pointer;text-align:right;transition:.15s}
.admin-mini-item:hover{background:var(--bg-alt);border-color:var(--primary-light)}
.admin-mini-item strong{display:block;font-size:.88rem;color:var(--text)}
.admin-mini-item small{display:block;color:var(--muted);font-size:.78rem}

/* ── TABLE WRAP ── */
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--line)}
.admin-table-wrap table{width:100%;border-collapse:collapse;font-size:.9rem}
.admin-table-wrap th{background:var(--bg-alt);padding:11px 14px;text-align:right;font-weight:800;color:var(--text);border-bottom:2px solid var(--line);white-space:nowrap}
.admin-table-wrap td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.admin-table-wrap tr:last-child td{border-bottom:0}
.admin-table-wrap tr:hover td{background:var(--bg)}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}

/* ── STATUS PILLS ── */
.status-pill{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:.8rem;font-weight:800;background:var(--bg-alt);color:var(--muted)}
.status-pill.success{background:#d1fae5;color:#065f46}
.status-pill.warning{background:#fef3c7;color:#92400e}
.status-pill.danger{background:#fee2e2;color:#991b1b}
.status-pill.muted{background:var(--bg-alt);color:var(--muted)}

/* ── FORMS ── */
.firebase-form{display:flex;flex-direction:column;gap:12px;max-width:420px}
.firebase-form input,.firebase-form select,.firebase-form textarea{border:1.5px solid var(--line);border-radius:12px;padding:11px 14px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--text);outline:none;transition:.2s;width:100%}
.firebase-form input:focus,.firebase-form select:focus,.firebase-form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.admin-inline-form{flex-direction:row;align-items:center;max-width:100%;flex-wrap:wrap}
.admin-grid-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:100%}
.admin-grid-form label{display:flex;flex-direction:column;gap:4px;font-weight:700;font-size:.88rem;color:#334155}
.admin-grid-form label input,.admin-grid-form label select{font-weight:400}
.check-row{flex-direction:row;align-items:center;gap:8px;font-weight:700;font-size:.9rem}
.check-row input[type=checkbox]{width:18px;height:18px}
.uid-box{background:var(--bg-alt);border-radius:12px;padding:10px 14px;font-size:.88rem;color:var(--muted);margin-top:6px;word-break:break-all}

/* ── ACCESS FORM PRO ── */
.access-form-pro{grid-template-columns:1fr 1fr;margin-bottom:20px}

/* ── CONTENT SECTION ── */
.doc-editor-row{display:grid;grid-template-columns:240px 1fr;gap:16px;align-items:start}
.collection-list-panel{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:14px;max-height:500px;overflow-y:auto}
.collection-list-panel h3{margin:0 0 10px;font-size:.9rem;color:var(--muted)}
.editor-panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.json-editor-wrap{position:relative}
.json-editor-wrap textarea{width:100%;min-height:300px;resize:vertical;font-family:monospace;font-size:.88rem;background:#0d1030;color:#a5f3fc;border:1px solid #1e293b;border-radius:14px;padding:14px;line-height:1.7;outline:none}
.editor-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
select.doc-col-select{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--text);outline:none;margin-bottom:10px}

/* ── IMPORT SECTION ── */
.import-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin:14px 0}
.import-stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.import-stat strong{display:block;font-size:1.4rem;font-weight:900;color:var(--primary)}
.import-stat span{font-size:.8rem;color:var(--muted)}
.import-warnings-box{background:#fef3c7;border:1px solid #fde68a;border-radius:12px;padding:12px 14px;font-size:.88rem;color:#92400e;margin-bottom:12px}
.import-mode-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.import-mode-row label{font-weight:700;font-size:.9rem;display:flex;align-items:center;gap:6px}
.import-paste-area{width:100%;min-height:120px;border:1.5px dashed var(--line);border-radius:12px;padding:12px;font-family:monospace;font-size:.85rem;resize:vertical;background:var(--bg);color:var(--text);outline:none}
.import-paste-area:focus{border-color:var(--primary)}

/* ── QUICK LESSON EDITOR ── */
.lesson-quick-editor{background:var(--bg);border:1.5px solid var(--line);border-radius:20px;padding:24px}
.lesson-quick-editor h3{margin:0 0 18px;font-size:1.1rem;color:var(--text)}
.qe-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qe-grid label,.qe-full label{display:flex;flex-direction:column;gap:5px;font-weight:700;font-size:.88rem;color:#334155}
.qe-full{margin-top:2px}
.qe-grid input,.qe-grid select,.qe-grid textarea,.qe-full input,.qe-full textarea{border:1.5px solid var(--line);border-radius:12px;padding:10px 14px;font-family:inherit;font-size:.93rem;background:#fff;color:var(--text);outline:none;transition:.2s;width:100%}
.qe-grid input:focus,.qe-grid select:focus,.qe-grid textarea:focus,.qe-full input:focus,.qe-full textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.qe-video-row{background:linear-gradient(135deg,rgba(79,70,229,.05),rgba(14,165,233,.05));border:1.5px solid rgba(79,70,229,.2);border-radius:14px;padding:14px;margin-top:2px}
.qe-video-row .video-label{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--primary);margin-bottom:8px;font-size:.9rem}
.qe-video-row .video-hint{font-size:.8rem;color:var(--muted);margin-top:6px}
.qe-sections-editor{margin-top:2px}
.qe-sections-editor textarea{width:100%;min-height:200px;border:1.5px solid var(--line);border-radius:12px;padding:12px;font-family:monospace;font-size:.85rem;background:#0d1030;color:#a5f3fc;outline:none;resize:vertical}
.qe-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;align-items:center}
.qe-status{font-size:.88rem;color:var(--muted)}

/* ── ADMIN LOG ── */
.admin-log-box{background:#0d1030;border-radius:16px;padding:16px;max-height:220px;overflow-y:auto;font-family:monospace;font-size:.82rem;color:#94a3b8}
.log{padding:4px 0;border-bottom:1px solid rgba(255,255,255,.04)}
.log.success{color:#34d399}
.log.error{color:#f87171}
.log b{color:#e2e8f0}
.copy-hint-btn{color:var(--primary);font-size:.88rem;background:none;border:none;cursor:pointer;text-decoration:underline;padding:0}

/* ── IMAGE UPLOAD ── */
.image-upload-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:100%}
.image-result-box{background:var(--bg);border-radius:12px;padding:10px 14px;font-size:.88rem;margin-top:10px}

/* ════════════════════════════════════════
   VIDEO EMBED STYLES
   ════════════════════════════════════════ */
.lesson-video-wrap{background:linear-gradient(135deg,#0d1030,#1e1b4b);border-radius:22px;overflow:hidden;margin-bottom:24px;box-shadow:0 20px 60px rgba(79,70,229,.2)}
.lesson-video-header{display:flex;align-items:center;gap:12px;padding:14px 18px;background:rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.08)}
.video-badge{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,var(--primary),var(--accent2));color:#fff;padding:5px 14px;border-radius:999px;font-size:.85rem;font-weight:800}
.video-title-label{color:rgba(255,255,255,.8);font-size:.9rem;font-weight:700}
.lesson-video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden}
.lesson-video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}

/* ════════════════════════════════════════
   LESSON PAGE IMPROVEMENTS
   ════════════════════════════════════════ */
.lesson-meta-card{background:linear-gradient(135deg,var(--bg),var(--bg-alt));border:1px solid var(--line);border-radius:22px;padding:28px;margin-bottom:20px}
.lesson-meta-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.path-badge{background:rgba(14,165,233,.1);color:var(--accent);border:1px solid rgba(14,165,233,.2);padding:4px 12px;border-radius:999px;font-size:.82rem;font-weight:800}
.level-badge{padding:4px 12px;border-radius:999px;font-size:.8rem;font-weight:800}
.level-beginner{background:#d1fae5;color:#065f46}
.level-intermediate{background:#fef3c7;color:#92400e}
.level-advanced{background:#fee2e2;color:#991b1b}

/* TABLE OF CONTENTS */
.lesson-toc{background:var(--bg-alt);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:20px}
.lesson-toc h3{margin:0 0 10px;font-size:.98rem;color:var(--text)}
.lesson-toc ol{margin:0;padding-right:20px;display:flex;flex-direction:column;gap:6px}
.lesson-toc li{font-size:.92rem}
.toc-link{color:var(--primary);font-weight:600}
.toc-link:hover{text-decoration:underline}

/* LESSON ACTIONS */
.lesson-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.complete-btn{border-radius:999px}
.btn-done{background:linear-gradient(135deg,var(--green),#059669)!important;color:#fff!important;border:0!important}
.download-btn{background:linear-gradient(135deg,var(--accent),#0284c7);color:#fff;border:0}

/* LOCKED LESSON */
.locked-lesson{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px}
.lock-cta{text-align:center;padding:32px;background:var(--bg-alt);border-radius:16px;margin-top:16px}
.lock-icon{font-size:3rem;display:block;margin-bottom:12px}
.lock-cta h2{font-size:1.4rem;margin-bottom:8px}
.lock-cta p{color:var(--muted);margin-bottom:20px}

/* LESSON BODY */
.lesson-body{display:grid;gap:16px}
.lesson-dynamic-section{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow-sm);scroll-margin-top:96px}
.lesson-dynamic-section h2{font-size:1.3rem;color:var(--text);border-bottom:2px solid var(--bg-alt);padding-bottom:10px;margin-bottom:14px}
.lesson-dynamic-section h3{font-size:1.1rem;color:var(--text);margin-bottom:10px}
.lesson-dynamic-section p{color:#475569}
.lesson-dynamic-section ul,.lesson-dynamic-section ol{padding-right:22px;color:#475569}
.lesson-dynamic-section li{margin-bottom:8px;line-height:1.75}
.lesson-dynamic-section code{background:var(--bg-alt);border:1px solid var(--line);border-radius:8px;padding:2px 8px;font-size:.93em;color:var(--primary-dark);font-family:monospace}
.lesson-dynamic-section pre{background:#0d1030;border-radius:16px;padding:18px;overflow-x:auto;color:#a5f3fc;font-family:monospace;font-size:.92rem;line-height:1.7}
.lesson-dynamic-section table{width:100%;border-collapse:collapse;font-size:.95rem}
.lesson-dynamic-section th{background:var(--bg-alt);padding:10px 14px;text-align:right;font-weight:800;border-bottom:2px solid var(--line)}
.lesson-dynamic-section td{padding:10px 14px;border-bottom:1px solid var(--line);color:#475569}
.lesson-dynamic-section tr:last-child td{border-bottom:0}

/* ════════════════════════════════════════
   DASHBOARD IMPROVEMENTS
   ════════════════════════════════════════ */
.dash-login-prompt{text-align:center;padding:60px 40px}
.dash-login-icon{font-size:3.5rem;margin-bottom:12px}
.dash-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:20px 0}
.dash-stat-card{background:var(--card);border:1.5px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-sm);transition:.2s;position:relative;overflow:hidden}
.dash-stat-card::before{content:'';position:absolute;inset:0;opacity:.04;pointer-events:none}
.dash-stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.stat-primary{border-color:rgba(79,70,229,.25)}
.stat-primary::before{background:var(--primary)}
.stat-primary strong{color:var(--primary)}
.stat-green{border-color:rgba(16,185,129,.25)}
.stat-green::before{background:var(--green)}
.stat-green strong{color:var(--green)}
.stat-accent{border-color:rgba(14,165,233,.25)}
.stat-accent::before{background:var(--accent)}
.stat-accent strong{color:var(--accent)}
.stat-total::before{background:var(--accent2)}
.stat-total strong{color:var(--accent2)}
.stat-icon{font-size:1.6rem;display:block;margin-bottom:8px}
.dash-stat-card strong{display:block;font-size:2.2rem;font-weight:900;line-height:1}
.dash-stat-card span{color:var(--muted);font-size:.88rem;display:block;margin-top:4px}
.progress-bar-wrap{display:flex;align-items:center;gap:8px;margin-top:10px}
.progress-bar{flex:1;height:8px;background:var(--bg-alt);border-radius:999px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent2));border-radius:999px;transition:.6s ease}
.progress-bar-wrap small{color:var(--muted);font-size:.78rem;white-space:nowrap}
.dash-recent{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:20px}
.dash-recent h3{margin:0 0 12px;font-size:1rem}
.recent-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}
.recent-list li{font-size:.92rem}
.recent-list a{color:var(--primary);font-weight:600}
.dash-catalog-section h3{margin:0 0 16px;font-size:1rem;color:var(--text)}

/* ════════════════════════════════════════
   LESSON PATH GROUP (Catalog)
   ════════════════════════════════════════ */
.lesson-path-group{margin-bottom:28px}
.path-group-header{display:flex;align-items:center;gap:12px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--line)}
.path-group-header h3{margin:0;font-size:1.1rem;font-weight:900;color:var(--text)}
.path-count{background:var(--bg-alt);border:1px solid var(--line);border-radius:999px;padding:3px 12px;font-size:.82rem;font-weight:800;color:var(--muted)}
.lesson-index-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.lesson-index-card{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:14px;border:1.5px solid var(--line);border-radius:18px;background:#fff;transition:.2s}
.lesson-index-card:hover{transform:translateY(-2px);border-color:var(--primary-light);box-shadow:0 10px 28px rgba(79,70,229,.1)}
.lesson-index-card .lesson-number{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--t1-bg);color:var(--t1);font-weight:900;border:1px solid rgba(79,70,229,.15);font-size:.92rem;flex-shrink:0}
.lesson-card-body{min-width:0}
.lesson-card-body strong{display:block;font-size:.95rem;color:var(--text);line-height:1.4;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.lesson-card-body small{display:block;color:var(--muted);font-size:.82rem;margin-top:3px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.lesson-card-tags{display:flex;flex-direction:column;gap:4px;align-items:flex-end;flex-shrink:0}
.has-video-badge{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:linear-gradient(135deg,var(--primary),var(--accent2));color:#fff;border-radius:50%;font-size:.7rem;font-weight:900}
.tag{display:inline-flex;align-items:center;padding:3px 10px;background:#d1fae5;color:#065f46;border-radius:999px;font-size:.78rem;font-weight:800}
.paid-tag{background:#fee2e2;color:#991b1b}

/* ════════════════════════════════════════
   QUIZ IMPROVEMENTS
   ════════════════════════════════════════ */
.quiz-q-num{font-size:.78rem;color:var(--muted);font-weight:800;margin-bottom:8px;letter-spacing:.3px}
.quiz-answer{margin:4px 0;display:block;width:100%;text-align:right;transition:.2s}
.quiz-answer.correct{background:linear-gradient(135deg,#d1fae5,#a7f3d0);border-color:#10b981;color:#065f46}
.quiz-answer.wrong{background:#fee2e2;border-color:#ef4444;color:#991b1b}
.quiz-answer.correct-reveal{background:#d1fae5;border-color:#10b981;color:#065f46}
.quiz-feedback{margin-top:10px;font-size:.9rem}
.quiz-ok{color:#065f46;font-weight:800}
.quiz-err{color:#991b1b;font-weight:800}
.quiz-score-box{background:linear-gradient(135deg,var(--primary),var(--accent2));color:#fff;border-radius:22px;padding:28px;text-align:center;margin-top:20px}
.quiz-score-box h3{color:#fff;margin:0 0 10px}
.quiz-pass{color:#a7f3d0;margin:0}
.quiz-avg{color:#fef3c7;margin:0}
.quiz-fail{color:#fecaca;margin:0}

/* ════════════════════════════════════════
   PROJECT CARDS IMPROVEMENTS
   ════════════════════════════════════════ */
.card-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.diff-badge{padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:800}
.diff-مبتدئ,.diff-beginner,.diff-easy{background:#d1fae5;color:#065f46}
.diff-متوسط,.diff-intermediate,.diff-medium{background:#fef3c7;color:#92400e}
.diff-متقدم,.diff-advanced,.diff-hard{background:#fee2e2;color:#991b1b}
.component-list{background:var(--bg-alt);border-radius:10px;padding:8px 12px;font-size:.88rem;color:#475569;margin:8px 0}
.time-est{font-size:.85rem;color:var(--muted);margin-bottom:10px}

/* ════════════════════════════════════════
   LOADING CARD
   ════════════════════════════════════════ */
.loading-card{display:flex;align-items:center;gap:12px;padding:32px;color:var(--muted);justify-content:center;font-size:1rem}
.loading-card::before{content:'';width:22px;height:22px;border:3px solid var(--line);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}

/* ════════════════════════════════════════
   ERROR CARD
   ════════════════════════════════════════ */
.error-card{border-left:4px solid var(--red);background:#fff5f5}
.error-card h2{color:var(--red)}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */
@media(max-width:900px){
  .admin-shell{grid-template-columns:1fr}
  .admin-sidebar-pro{display:none}
  .split-admin-grid{grid-template-columns:1fr}
  .admin-grid-form{grid-template-columns:1fr}
  .access-form-pro{grid-template-columns:1fr}
  .qe-grid{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:1fr}
  .lesson-index-grid{grid-template-columns:1fr}
  .dash-stats-grid{grid-template-columns:1fr 1fr}
  .image-upload-form{grid-template-columns:1fr}
}
@media(max-width:600px){
  .main-nav{display:none}
  .dash-stats-grid{grid-template-columns:1fr}
  .admin-main-pro{padding:16px}
  .admin-hero-pro{padding:20px}
}


/* ===== WESAM STORE INTEGRATION: strong mobile fixes ===== */
*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
img,svg,video,iframe{max-width:100%;height:auto}
@media(max-width:760px){
  .container{width:min(100% - 24px, var(--container));}
  .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px)}
  .nav-wrap{min-height:auto;display:grid;grid-template-columns:1fr;gap:10px;padding:10px 0}
  .brand{width:100%;justify-content:center;text-align:center}
  .brand-icon{width:40px;height:40px;border-radius:13px}
  .main-nav{display:flex;flex-wrap:nowrap;justify-content:flex-start;gap:8px;overflow-x:auto;white-space:nowrap;width:100%;padding:2px 0 8px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
  .main-nav::-webkit-scrollbar{display:none}
  .main-nav a{flex:0 0 auto;scroll-snap-align:start;padding:8px 12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);font-size:.86rem}
  .nav-cta{width:100%;justify-content:center;text-align:center;padding:10px 14px}
  .hero{padding:34px 0 24px}
  .hero-grid,.tools-layout,.lesson-layout,.visual-row{grid-template-columns:1fr !important;gap:18px}
  .hero h1{font-size:clamp(1.6rem,8vw,2.2rem);line-height:1.35}
  .hero-card,.curriculum-group,.lesson-block,.lesson-upgrade-panel{border-radius:18px;padding:16px}
  .stats{grid-template-columns:1fr 1fr 1fr;gap:8px}
  .stat{padding:12px 8px;border-radius:16px}
  .lesson-index-grid,.lesson-two-cols{grid-template-columns:1fr !important}
  .lesson-index-card{grid-template-columns:auto 1fr;padding:12px;border-radius:16px}
  .lesson-sidebar{position:relative;top:auto;order:2}
  .section{padding:36px 0}
  .academy-feature-grid,.academy-grid,.pricing-grid,.project-grid,.case-grid,.download-grid,.tools-academy-grid{grid-template-columns:1fr !important}
  table{display:block;overflow-x:auto;white-space:nowrap}
  pre{font-size:.82rem}
}
@media(max-width:420px){
  .container{width:min(100% - 18px, var(--container));}
  .brand small{font-size:.72rem}
  .main-nav a{font-size:.8rem;padding:7px 10px}
  .hero-actions,.academy-actions,.print-tools{display:grid !important;grid-template-columns:1fr !important}
  .stats{grid-template-columns:1fr}
  .lesson-nav-bar{display:grid;grid-template-columns:1fr;gap:8px}
  .certificate-paper{padding:20px;border-width:5px}
}

/* =========================================================
   WESAM ACADEMY - FINAL MOBILE LAYOUT FIX
   يصلح تنسيق الأكاديمية على الهاتف بدون التأثير على الديسكتوب
   ========================================================= */
html,body{max-width:100%;overflow-x:hidden}
body{overflow-wrap:anywhere}
img,svg,video,iframe,canvas{max-width:100%;height:auto}
.lesson-dynamic-section,.academy-card,.hero-card,.curriculum-group,.lesson-meta-card{min-width:0}

@media (max-width: 820px){
  :root{--radius:18px;--shadow:0 10px 28px rgba(79,70,229,.10);--shadow-sm:0 3px 12px rgba(79,70,229,.08)}
  body{font-size:15px;line-height:1.75;background:#f7f8ff}
  .container{width:100%;max-width:100%;padding-left:14px;padding-right:14px;margin:0 auto}

  /* Header */
  .site-header{position:sticky;top:0;z-index:999;background:rgba(255,255,255,.97);border-bottom:1px solid #e7e9f8;box-shadow:0 8px 24px rgba(15,23,42,.06);backdrop-filter:blur(14px)}
  .nav-wrap{width:100%;min-height:0;display:grid!important;grid-template-columns:1fr 1fr;gap:8px;padding:10px 12px;align-items:center;justify-content:initial}
  .brand{grid-column:1 / -1;width:100%;min-width:0;display:flex;justify-content:flex-start;align-items:center;gap:10px;padding:0;text-align:right}
  .brand-icon{width:38px;height:38px;min-width:38px;border-radius:13px;font-size:1.05rem;box-shadow:0 6px 14px rgba(79,70,229,.22)}
  .brand strong{font-size:1rem;line-height:1.25;white-space:normal;word-break:normal}
  .brand small{font-size:.72rem;line-height:1.25;margin-top:0;color:#64748b}
  .main-nav{grid-column:1 / -1;display:flex!important;flex-wrap:nowrap!important;justify-content:flex-start!important;gap:7px;width:100%;padding:4px 0 8px;overflow-x:auto;overflow-y:hidden;white-space:nowrap;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;border-top:1px solid #edf0fb}
  .main-nav::-webkit-scrollbar{display:none}
  .main-nav a{flex:0 0 auto;scroll-snap-align:start;padding:7px 11px!important;border:1px solid #e2e8f0;border-radius:999px;background:#fff;color:#26364f;font-size:.78rem;font-weight:800;box-shadow:0 3px 10px rgba(15,23,42,.04)}
  .nav-cta{grid-column:auto;min-width:0;width:100%;padding:9px 8px!important;font-size:.78rem;line-height:1.25;border-radius:14px;text-align:center;box-shadow:0 5px 14px rgba(79,70,229,.20)}

  /* Hero */
  .hero,.lesson-hero{padding:24px 0 20px;background:radial-gradient(circle at top left,rgba(139,92,246,.15),transparent 38%),radial-gradient(circle at top right,rgba(14,165,233,.12),transparent 42%),#f7f8ff}
  .hero-grid,.tools-layout,.lesson-layout,.visual-row,.footer-grid{display:grid!important;grid-template-columns:1fr!important;gap:16px!important;align-items:start!important}
  .hero-content{min-width:0}
  .eyebrow{font-size:.82rem;margin-bottom:8px;gap:6px}
  .eyebrow::before{width:18px;height:3px}
  h1{font-size:clamp(1.55rem,7vw,2.05rem)!important;line-height:1.32!important;letter-spacing:0!important;margin-bottom:10px}
  h2{font-size:clamp(1.25rem,5.6vw,1.55rem)!important;line-height:1.35!important;margin-bottom:10px}
  h3{font-size:1.05rem!important;line-height:1.4!important;margin-bottom:8px}
  .lead{font-size:.96rem!important;line-height:1.8;max-width:100%;margin-top:0}
  .hero-actions,.academy-actions,.print-tools,.lesson-actions{display:grid!important;grid-template-columns:1fr!important;gap:9px!important;margin:16px 0!important;width:100%}
  .btn,.nav-cta{min-height:42px}
  .btn{width:100%;padding:11px 14px;font-size:.92rem;border-radius:14px}
  .hero-card{padding:16px!important;border-radius:18px!important;box-shadow:var(--shadow-sm)}
  .circuit-dots{height:54px;margin-bottom:8px;transform:scale(.86);transform-origin:right center}

  /* Stats and sections */
  .stats,.dash-stats-grid{grid-template-columns:1fr 1fr!important;gap:8px!important;max-width:100%}
  .stats div,.stat,.dash-stat-card{padding:12px 10px!important;border-radius:15px!important;text-align:center}
  .stats strong,.dash-stat-card strong{font-size:1.15rem!important}
  .stats span,.dash-stat-card span{font-size:.78rem!important;line-height:1.45}
  .section{padding:28px 0!important}
  .section-head{margin-bottom:16px!important}
  .section-head p,.section-head .lead{font-size:.92rem!important}

  /* Cards and grids */
  .timeline,.academy-feature-grid,.academy-grid,.pricing-grid,.project-grid,.case-grid,.download-grid,.tools-academy-grid,.firebase-grid,.lesson-two-cols{display:grid!important;grid-template-columns:1fr!important;gap:12px!important}
  .timeline article,.academy-card,.firebase-card,.curriculum-group,.lesson-block,.lesson-dynamic-section,.lesson-meta-card,.lesson-toc,.dash-recent,.locked-lesson,.lock-cta{padding:15px!important;border-radius:17px!important;box-shadow:var(--shadow-sm);max-width:100%}
  .timeline article span{font-size:2rem!important}

  /* Lesson catalog */
  .quick-track-nav{display:flex!important;flex-wrap:nowrap!important;gap:7px;overflow-x:auto;white-space:nowrap;padding-bottom:6px;margin-bottom:16px;-webkit-overflow-scrolling:touch}
  .quick-track-nav::-webkit-scrollbar{display:none}
  .quick-track-nav a{flex:0 0 auto;font-size:.78rem;padding:7px 11px}
  .curriculum-groups{gap:14px!important}
  .group-head{margin-bottom:12px!important;padding-bottom:10px!important}
  .group-head h3{font-size:1.05rem!important}
  .group-head p{font-size:.86rem!important}
  .lesson-index-grid{display:grid!important;grid-template-columns:1fr!important;gap:10px!important}
  .lesson-index-card{width:100%;display:grid!important;grid-template-columns:38px minmax(0,1fr)!important;gap:8px 10px!important;align-items:start!important;padding:12px!important;border-radius:15px!important;overflow:hidden}
  .lesson-index-card .lesson-number{grid-row:1 / span 2!important;width:36px!important;height:36px!important;border-radius:12px!important;font-size:.78rem!important}
  .lesson-index-card strong,.lesson-card-body strong{font-size:.88rem!important;line-height:1.45!important;word-break:normal;overflow-wrap:anywhere}
  .lesson-index-card small,.lesson-card-body small{font-size:.78rem!important;line-height:1.55!important;word-break:normal;overflow-wrap:anywhere}
  .lesson-card-body{min-width:0!important}
  .lesson-card-tags{grid-column:2!important;display:flex!important;flex-direction:row!important;justify-content:flex-start!important;align-items:center!important;gap:5px!important;flex-wrap:wrap!important;margin-top:2px}
  .tag,.paid-tag,.path-badge,.level-badge,.diff-badge{font-size:.7rem!important;padding:3px 8px!important;white-space:nowrap}
  .has-video-badge{width:22px!important;height:22px!important;font-size:.66rem!important}

  /* Lesson page */
  .lesson-reader{padding-left:12px!important;padding-right:12px!important}
  .lesson-meta-card h1{font-size:1.45rem!important}
  .lesson-meta-top{gap:5px!important;flex-wrap:wrap!important}
  .lesson-toc ol{padding-right:18px!important;gap:5px!important}
  .lesson-toc li,.toc-link{font-size:.84rem!important;line-height:1.55}
  .lesson-body{gap:12px!important}
  .lesson-dynamic-section{scroll-margin-top:145px!important}
  .lesson-dynamic-section h2{font-size:1.08rem!important;padding-bottom:8px!important;margin-bottom:10px!important}
  .lesson-dynamic-section h3{font-size:.98rem!important}
  .lesson-dynamic-section p,.lesson-dynamic-section li{font-size:.92rem!important;line-height:1.85!important}
  .lesson-dynamic-section ul,.lesson-dynamic-section ol{padding-right:18px!important}
  .lesson-dynamic-section code{font-size:.82em;white-space:normal;word-break:break-word}
  .lesson-dynamic-section pre{display:block;max-width:100%;overflow-x:auto;font-size:.78rem!important;line-height:1.65!important;padding:12px!important;border-radius:14px!important;direction:ltr;text-align:left}
  .lesson-dynamic-section table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;white-space:nowrap;font-size:.82rem!important;-webkit-overflow-scrolling:touch}
  .lesson-dynamic-section th,.lesson-dynamic-section td{padding:8px 10px!important}
  .lesson-video-wrap{border-radius:18px!important;margin-bottom:16px!important}
  .lesson-video-header{padding:10px 12px!important;gap:8px!important;flex-wrap:wrap}
  .video-badge,.video-title-label{font-size:.78rem!important}
  .lesson-nav-bar{display:grid!important;grid-template-columns:1fr!important;gap:8px!important}
  .lesson-nav-btn{width:100%;text-align:center;font-size:.86rem!important}

  /* Forms */
  input,select,textarea{width:100%;max-width:100%;font-size:16px!important}
  .firebase-form{display:grid!important;grid-template-columns:1fr!important;gap:10px!important}
  .image-upload-form,.admin-grid-form,.split-admin-grid,.access-form-pro,.qe-grid{display:grid!important;grid-template-columns:1fr!important;gap:12px!important}

  /* Footer */
  .site-footer{padding:22px 0!important;text-align:center}
  .footer-grid{gap:10px!important}
}

@media (max-width: 430px){
  .container{padding-left:10px;padding-right:10px}
  .nav-wrap{padding:8px 9px;gap:7px}
  .brand-icon{width:34px;height:34px;min-width:34px;border-radius:11px;font-size:.95rem}
  .brand strong{font-size:.92rem}
  .brand small{font-size:.66rem}
  .main-nav a{font-size:.72rem!important;padding:6px 9px!important}
  .nav-cta{font-size:.72rem!important;padding:8px 6px!important;min-height:38px}
  h1{font-size:1.42rem!important}
  h2{font-size:1.18rem!important}
  .lead{font-size:.9rem!important}
  .stats,.dash-stats-grid{grid-template-columns:1fr!important}
  .lesson-index-card{grid-template-columns:34px minmax(0,1fr)!important;padding:10px!important}
  .lesson-index-card .lesson-number{width:32px!important;height:32px!important;border-radius:10px!important;font-size:.72rem!important}
  .lesson-index-card strong,.lesson-card-body strong{font-size:.84rem!important}
  .lesson-index-card small,.lesson-card-body small{font-size:.75rem!important}
  .academy-card,.firebase-card,.curriculum-group,.lesson-block,.lesson-dynamic-section,.lesson-meta-card,.lesson-toc{padding:13px!important;border-radius:15px!important}
}


/* =========================================================
   WESAM ACADEMY V27.8 - HOME PAGE VISUAL STYLE
   يحول شكل الأكاديمية إلى نفس هوية الصفحة الرئيسية:
   كحلي داكن + برتقالي + سماوي + طابع PCB إلكتروني
   ========================================================= */
:root{
  --orange:#F97316;
  --orange-dark:#EA580C;
  --orange-light:#FFF7ED;
  --orange-glow:rgba(249,115,22,.42);
  --navy:#0F172A;
  --navy-2:#1E293B;
  --navy-3:#334155;
  --slate:#64748B;
  --slate-light:#94A3B8;
  --cyan:#22D3EE;
  --cyan-dark:#0891B2;
  --cyan-glow:rgba(34,211,238,.32);
  --led-green:#22C55E;
  --bg:#FAFAF9;
  --bg-alt:#F8FAFC;
  --card:#FFFFFF;
  --text:#0F172A;
  --muted:#64748B;
  --line:#E2E8F0;
  --primary:#F97316;
  --primary-light:#FDBA74;
  --primary-dark:#EA580C;
  --accent:#22D3EE;
  --accent2:#1D4ED8;
  --shadow:0 18px 50px rgba(15,23,42,.10);
  --shadow-sm:0 8px 24px rgba(15,23,42,.07);
  --shadow-orange:0 10px 30px -8px rgba(249,115,22,.35);
  --radius:24px;
  --mono:'JetBrains Mono','Cairo',monospace;
  --container:1280px;
}

body.wesam-academy-theme,
body:not(.admin-tools-body){
  font-family:'Cairo','Tajawal',system-ui,-apple-system,Segoe UI,sans-serif;
  background:
    radial-gradient(900px 380px at 100% -8%,rgba(249,115,22,.10),transparent 62%),
    radial-gradient(800px 360px at 0% 20%,rgba(34,211,238,.08),transparent 58%),
    #FAFAF9;
  color:var(--text);
}
.container{width:100%;max-width:var(--container);padding:0 24px;margin-inline:auto}

/* Top bar copied from the main store identity */
.academy-topbar{background:var(--navy);color:#fff;font-size:13px;padding:8px 0;position:relative;z-index:80}
.academy-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.academy-topbar-contact,.academy-topbar-links{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.academy-topbar a{color:#CBD5E1;transition:.16s;font-weight:700}
.academy-topbar a:hover{color:var(--orange)}

/* Header / Navbar like the home page */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(15,23,42,.045);
}
.nav-wrap{min-height:76px;padding:14px 24px;gap:18px}
.brand{gap:12px;min-width:250px}
.brand-icon{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--orange),var(--orange-dark));
  color:#fff;font-size:20px;font-weight:900;box-shadow:var(--shadow-orange);
}
.brand strong{font-size:20px;color:var(--navy);font-weight:900;line-height:1.1}
.brand small{font-size:12px;color:var(--slate);font-weight:700;margin-top:1px}
.main-nav{gap:4px}
.main-nav a{
  color:var(--navy-2);font-size:15px;font-weight:800;
  padding:10px 14px;border-radius:10px;
}
.main-nav a:hover,.main-nav a:focus{background:var(--orange-light);color:var(--orange-dark)}
.nav-cta{
  border-radius:10px;padding:10px 18px!important;
  background:var(--orange);color:#fff!important;
  box-shadow:var(--shadow-orange);font-weight:900;
}
.nav-cta:hover{background:var(--orange-dark)!important;color:#fff!important;transform:translateY(-1px)}
.nav-cta + .nav-cta{background:var(--navy);box-shadow:0 10px 24px rgba(15,23,42,.16)}

/* Hero dark electronic board style */
.hero,.lesson-hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1200px 600px at 82% 18%,#1E293B 0%,#0F172A 60%,#020617 100%);
  padding:72px 0 92px;border-bottom:1px solid rgba(34,211,238,.16);
}
.hero::before,.lesson-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.68;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240' viewBox='0 0 240 240'><g fill='none' stroke='%2322D3EE' stroke-width='1' stroke-opacity='0.18'><path d='M0 30 L80 30 L100 50 L160 50 L180 30 L240 30'/><path d='M0 90 L60 90 L80 110 L140 110 L160 130 L240 130'/><path d='M0 170 L100 170 L120 190 L240 190'/><path d='M30 0 L30 60 L50 80 L50 240'/><path d='M120 0 L120 40 L140 60 L140 160 L120 180 L120 240'/><path d='M200 0 L200 80 L220 100 L220 240'/></g><g fill='%2322D3EE' fill-opacity='0.35'><circle cx='30' cy='60' r='2'/><circle cx='100' cy='50' r='2'/><circle cx='160' cy='50' r='2'/><circle cx='80' cy='110' r='2'/><circle cx='140' cy='110' r='2'/><circle cx='120' cy='40' r='2'/><circle cx='200' cy='80' r='2'/><circle cx='220' cy='100' r='2'/></g></svg>");
  background-size:240px 240px;
}
.hero::after,.lesson-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 640px 420px at 84% 14%,rgba(249,115,22,.22),transparent 62%),
    radial-gradient(ellipse 520px 360px at 14% 92%,rgba(34,211,238,.12),transparent 60%),
    repeating-linear-gradient(0deg,transparent 0,transparent 3px,rgba(255,255,255,.012) 3px,rgba(255,255,255,.012) 4px);
}
.hero-grid{position:relative;z-index:2;grid-template-columns:1.16fr .84fr;gap:48px}
.hero h1,.lesson-hero h1{font-size:clamp(2.2rem,5vw,3.55rem);font-weight:900;letter-spacing:-.03em;color:#fff;text-shadow:0 8px 32px rgba(0,0,0,.28)}
.hero h1 strong,.hero h1 .accent,.lesson-hero h1 strong{color:var(--orange);text-shadow:0 0 30px rgba(249,115,22,.38)}
.hero .lead,.lesson-hero .lead{color:#CBD5E1;font-size:19px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(15,23,42,.72);border:1px solid rgba(34,211,238,.42);
  color:#E0F2FE;border-radius:8px;padding:9px 16px;
  font-family:var(--mono);font-size:13px;font-weight:800;letter-spacing:.04em;
  box-shadow:inset 0 0 12px rgba(34,211,238,.10);margin-bottom:18px;
}
.eyebrow::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--led-green);box-shadow:0 0 8px rgba(34,197,94,.56),0 0 14px rgba(34,197,94,.56);animation:ledPulse 1.6s ease-in-out infinite}
@keyframes ledPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.86)}}

.hero-card{
  background:rgba(15,23,42,.78);color:#fff;border:1px solid rgba(34,211,238,.20);
  border-radius:28px;box-shadow:0 24px 80px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px);
}
.hero-card::before{background:linear-gradient(135deg,rgba(249,115,22,.12),rgba(34,211,238,.08))}
.hero-card h2,.hero-card h3{color:#fff}.hero-card p{color:#CBD5E1}.hero-card a{color:#FED7AA}
.circuit-dots::before{content:"";position:absolute;inset:10px 0;border-top:1px solid rgba(34,211,238,.36);border-bottom:1px solid rgba(249,115,22,.24);opacity:.7}
.node{background:var(--cyan);box-shadow:0 0 18px rgba(34,211,238,.55)}.n2,.n4{background:var(--orange);box-shadow:0 0 18px rgba(249,115,22,.55)}
.stats div{background:rgba(255,255,255,.08);border-color:rgba(34,211,238,.22);backdrop-filter:blur(10px)}
.stats strong{color:#FED7AA}.stats span{color:#CBD5E1}

/* Buttons */
.btn{border-radius:12px;font-weight:900;transition:.18s}
.btn-primary{
  color:#fff;background:linear-gradient(180deg,#FB923C 0%,var(--orange) 50%,var(--orange-dark) 100%);
  border:1px solid rgba(255,255,255,.20);box-shadow:0 0 0 1px rgba(249,115,22,.30),0 0 24px var(--orange-glow),inset 0 1px 0 rgba(255,255,255,.28),inset 0 -2px 0 rgba(0,0,0,.12);
}
.btn-primary:hover{transform:translateY(-2px);filter:saturate(1.05)}
.btn-outline{border:1.5px solid var(--line);color:var(--navy);background:#fff}
.btn-outline:hover{border-color:var(--orange);color:var(--orange-dark);background:var(--orange-light);transform:translateY(-1px)}
.hero .btn-outline,.lesson-hero .btn-outline{background:rgba(15,23,42,.58)!important;color:#E0F2FE!important;border:1px solid rgba(34,211,238,.42)!important;box-shadow:inset 0 0 14px rgba(34,211,238,.07)}
.hero .btn-outline:hover,.lesson-hero .btn-outline:hover{background:rgba(34,211,238,.10)!important;color:#fff!important;box-shadow:0 0 20px rgba(34,211,238,.18)}

/* Sections and cards like main home */
.section{padding:64px 0}.section.alt{background:linear-gradient(180deg,#fff 0%,#f8fafc 100%)}
.section-head{position:relative}.section-head h2{color:var(--navy);font-weight:900}.section-head .lead,.lead.small{color:var(--slate)}
.academy-card,.firebase-card,.timeline article,.curriculum-group,.lesson-path-group,.lesson-meta-card,.lesson-toc,.lesson-dynamic-section,.locked-lesson,.dash-recent,.admin-panel-pro{
  background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:24px;
  box-shadow:0 18px 50px rgba(15,23,42,.08);position:relative;overflow:hidden;
}
.academy-card::before,.firebase-card::before,.timeline article::before,.curriculum-group::before,.lesson-path-group::before,.lesson-index-card::before,.lesson-dynamic-section::before{
  content:"";position:absolute;right:0;left:0;top:0;height:3px;background:linear-gradient(90deg,var(--orange),var(--cyan));opacity:.95;
}
.academy-card:hover,.firebase-card:hover,.timeline article:hover,.lesson-path-group:hover,.lesson-index-card:hover{
  transform:translateY(-4px);border-color:rgba(249,115,22,.42);box-shadow:0 22px 58px rgba(15,23,42,.12);
}
.timeline article::after{background:linear-gradient(180deg,var(--orange),var(--cyan));width:4px}.timeline article span{color:var(--orange)}
.group-head span,.path-group-header h3{color:var(--orange-dark)}
.path-count{background:var(--orange-light);border-color:#FED7AA;color:var(--orange-dark)}
.quick-track-nav a{border-radius:12px;border-color:var(--line);box-shadow:var(--shadow-sm)}
.quick-track-nav a:hover{border-color:#FDBA74;background:var(--orange-light);color:var(--orange-dark)}
.lesson-index-card{
  position:relative;background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:20px;box-shadow:0 10px 26px rgba(15,23,42,.05);
}
.lesson-index-card .lesson-number{
  background:linear-gradient(135deg,var(--orange-light),#FFEDD5);color:var(--orange-dark);border-color:#FED7AA;
}
.has-video-badge{background:linear-gradient(135deg,var(--navy),#1D4ED8);box-shadow:0 10px 20px rgba(29,78,216,.16)}
.tag{background:#DCFCE7;color:#166534}.paid-tag{background:#FFF7ED;color:var(--orange-dark);border:1px solid #FED7AA}
.level-badge,.path-badge{border-radius:999px}
.lesson-dynamic-section h2{border-bottom-color:#FED7AA;color:var(--navy)}
.lesson-dynamic-section h2::before{background:linear-gradient(180deg,var(--orange),var(--cyan))}
.lesson-video-wrap{border:1px solid rgba(15,23,42,.08);border-radius:24px;box-shadow:0 18px 50px rgba(15,23,42,.08);overflow:hidden;background:#fff}
.lesson-video-header{background:linear-gradient(135deg,#0F172A,#1E293B);color:#fff}.video-badge{color:#FED7AA}.video-title-label{color:#CBD5E1}
.loading-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-sm)}
.loading-card::before{border-top-color:var(--orange)}
.error-card{border-inline-start:4px solid var(--orange);background:#fff7ed}.error-card h2{color:var(--orange-dark)}

/* Admin academy still follows the same brand colors */
.admin-tools-body{font-family:'Cairo','Tajawal',system-ui,sans-serif;background:radial-gradient(800px 360px at 100% 0%,rgba(249,115,22,.12),transparent 60%),#f8fafc;color:var(--navy)}
.admin-sidebar-pro{background:linear-gradient(180deg,#0F172A,#111827);border-left:1px solid rgba(255,255,255,.08)}
.admin-brand strong,.admin-brand small{color:#fff}.admin-side-nav a:hover{background:rgba(249,115,22,.16);color:#FED7AA}.admin-hero-pro{background:linear-gradient(135deg,#0F172A,#1E293B);color:#fff;border:1px solid rgba(34,211,238,.16)}.admin-hero-pro h1{color:#fff}.admin-hero-pro p{color:#CBD5E1}

.site-footer{background:var(--navy);color:#CBD5E1;padding:34px 0;margin-top:0;border-top:1px solid rgba(34,211,238,.14);text-align:center}.site-footer a:hover{color:var(--orange)}

@media(max-width:920px){
  .academy-topbar-inner{justify-content:center;text-align:center}.academy-topbar-contact,.academy-topbar-links{justify-content:center;gap:10px}
  .nav-wrap{display:grid!important;grid-template-columns:1fr;gap:10px;min-height:0;padding:12px 18px}.brand{min-width:0;justify-content:center;text-align:center}.main-nav{width:100%;overflow-x:auto;justify-content:flex-start!important;flex-wrap:nowrap!important;white-space:nowrap;padding:6px 0 10px;border-top:1px solid #EEF2F7}.main-nav::-webkit-scrollbar{display:none}.main-nav a{flex:0 0 auto}.nav-cta{width:100%;justify-content:center}.hero,.lesson-hero{padding:44px 0 42px}.hero-grid{grid-template-columns:1fr!important;gap:24px}.hero h1,.lesson-hero h1{font-size:clamp(1.8rem,8vw,2.5rem)!important}.hero .lead,.lesson-hero .lead{font-size:1rem!important}.section{padding:42px 0}.container{padding:0 16px}.lesson-index-card{grid-template-columns:auto minmax(0,1fr)!important}.lesson-card-tags{grid-column:2;display:flex!important;flex-direction:row!important;align-items:center!important;justify-content:flex-start!important;flex-wrap:wrap!important}.stats{grid-template-columns:repeat(3,minmax(0,1fr))!important}
}
@media(max-width:560px){
  .academy-topbar{font-size:12px}.academy-topbar-contact,.academy-topbar-links{gap:8px}.brand-icon{width:38px;height:38px}.brand strong{font-size:16px}.brand small{font-size:11px}.main-nav a{font-size:13px;padding:8px 11px!important}.nav-cta{font-size:13px;padding:9px 12px!important}.hero,.lesson-hero{padding:32px 0}.eyebrow{font-size:11px;padding:8px 11px}.stats{grid-template-columns:1fr!important}.academy-card,.firebase-card,.timeline article,.curriculum-group,.lesson-path-group,.lesson-meta-card,.lesson-toc,.lesson-dynamic-section{border-radius:18px!important}.site-footer{padding:24px 0}
}


/* =========================================================
   v27.9 FIX: Academy lesson cards Arabic text layout
   Prevents lesson titles from being squeezed into vertical letters.
   ========================================================= */
.lesson-index-grid{
  display:grid!important;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr))!important;
  gap:16px!important;
  align-items:stretch!important;
}
.lesson-index-card{
  direction:rtl!important;
  display:flex!important;
  flex-direction:row!important;
  align-items:flex-start!important;
  justify-content:flex-start!important;
  gap:14px!important;
  min-height:118px!important;
  padding:18px!important;
  text-align:right!important;
  overflow:hidden!important;
}
.lesson-index-card .lesson-number{
  order:0!important;
  flex:0 0 46px!important;
  width:46px!important;
  height:46px!important;
  align-self:center!important;
}
.lesson-card-body{
  order:1!important;
  flex:1 1 auto!important;
  min-width:0!important;
  width:auto!important;
  max-width:none!important;
  text-align:right!important;
  writing-mode:horizontal-tb!important;
  text-orientation:mixed!important;
}
.lesson-card-body strong,
.lesson-card-body small,
.lesson-index-card strong,
.lesson-index-card small{
  direction:rtl!important;
  unicode-bidi:plaintext!important;
  writing-mode:horizontal-tb!important;
  text-orientation:mixed!important;
  word-break:normal!important;
  overflow-wrap:break-word!important;
  white-space:normal!important;
  max-width:100%!important;
  width:auto!important;
  text-align:right!important;
}
.lesson-card-body strong,
.lesson-index-card strong{
  display:block!important;
  -webkit-line-clamp:unset!important;
  -webkit-box-orient:initial!important;
  overflow:visible!important;
  font-size:1.02rem!important;
  line-height:1.65!important;
  margin:0 0 6px!important;
}
.lesson-card-body small,
.lesson-index-card small{
  display:block!important;
  -webkit-line-clamp:unset!important;
  -webkit-box-orient:initial!important;
  overflow:visible!important;
  font-size:.9rem!important;
  line-height:1.8!important;
}
.lesson-card-tags{
  order:2!important;
  flex:0 0 auto!important;
  align-self:flex-start!important;
  display:flex!important;
  flex-direction:column!important;
  align-items:flex-end!important;
  justify-content:flex-start!important;
  gap:6px!important;
  min-width:max-content!important;
}
@media(max-width:920px){
  .lesson-index-grid{grid-template-columns:1fr!important;gap:12px!important;}
  .lesson-index-card{min-height:0!important;padding:14px!important;gap:10px!important;}
  .lesson-index-card .lesson-number{flex-basis:40px!important;width:40px!important;height:40px!important;}
  .lesson-card-tags{order:2!important;flex-direction:row!important;align-items:center!important;justify-content:flex-start!important;flex-wrap:wrap!important;}
}
@media(max-width:520px){
  .lesson-index-card{display:grid!important;grid-template-columns:40px minmax(0,1fr)!important;align-items:start!important;}
  .lesson-index-card .lesson-number{grid-column:1!important;grid-row:1 / span 2!important;}
  .lesson-card-body{grid-column:2!important;grid-row:1!important;}
  .lesson-card-tags{grid-column:2!important;grid-row:2!important;margin-top:4px!important;}
}


/* V27-29: Subscription request modal for academy pricing buttons */
.academy-access-modal{
  position:fixed; inset:0; z-index:99999; display:none; align-items:center; justify-content:center;
  padding:18px; background:rgba(4,12,28,.66); backdrop-filter:blur(8px);
}
.academy-access-modal.show{display:flex;}
.academy-access-card{
  position:relative; width:min(560px,100%); max-height:92vh; overflow:auto;
  background:linear-gradient(180deg,#ffffff,#f7fbff); border:1px solid rgba(21,101,192,.16);
  border-radius:28px; box-shadow:0 26px 80px rgba(2,8,23,.35); padding:24px;
  color:#0f172a; direction:rtl;
}
.academy-access-card h2{margin:6px 0 8px;font-size:1.55rem;color:#0b2a5b;}
.academy-modal-close{
  position:absolute; top:12px; left:12px; width:38px; height:38px; border:0; border-radius:14px;
  background:#eef4ff; color:#0b2a5b; font-size:24px; font-weight:900; cursor:pointer;
}
.plan-price-line{background:#fff7ed;border:1px solid #fed7aa;border-radius:16px;padding:10px 12px;color:#9a3412;}
.academy-access-form{display:grid;gap:12px;margin-top:16px;}
.academy-access-form label{display:grid;gap:7px;font-weight:900;color:#18345f;}
.academy-access-form input,.academy-access-form textarea{
  width:100%; border:1.5px solid #dbe7f7; border-radius:15px; padding:12px 13px;
  font:inherit; outline:none; background:#fff; color:#0f172a;
}
.academy-access-form input:focus,.academy-access-form textarea:focus{border-color:#f97316;box-shadow:0 0 0 4px rgba(249,115,22,.12);}
.academy-access-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.academy-access-status{font-weight:800;min-height:22px;color:#0b2a5b;}
.academy-access-status.error{color:#b91c1c;}
.success-card{text-align:center;}
.success-icon{width:62px;height:62px;margin:0 auto 10px;border-radius:22px;background:#dcfce7;color:#15803d;display:grid;place-items:center;font-size:34px;font-weight:900;}
.access-request-number{direction:ltr;display:inline-flex;align-items:center;justify-content:center;margin:12px auto;padding:12px 18px;border-radius:18px;background:#0b2a5b;color:#fff;font-size:1.25rem;font-weight:950;letter-spacing:1px;box-shadow:0 12px 24px rgba(11,42,91,.22);}
.small-muted{color:#64748b;font-size:.93rem;line-height:1.8;}
@media (max-width:640px){.academy-access-card{border-radius:22px;padding:18px}.academy-access-actions .btn{width:100%;justify-content:center}.access-request-number{font-size:1.05rem}}


/* V27-30: subscriber request international phone + receipt details */
.academy-access-card{width:min(620px,100%)!important;}
.academy-access-form input[dir="ltr"]{text-align:left;direction:ltr;font-family:Tahoma,Arial,sans-serif;}
.academy-selected-spec{background:#f8fafc;border:1px solid #dbe7f7;border-radius:18px;padding:12px 14px;margin:12px 0;text-align:right;}
.academy-selected-spec h3{margin:0 0 8px!important;font-size:1.05rem!important;color:#0b2a5b!important;}
.academy-selected-spec>div{display:flex;gap:12px;justify-content:space-between;align-items:flex-start;border-top:1px solid #e8eef8;padding:8px 0;}
.academy-selected-spec>div:first-of-type{border-top:0;}
.academy-selected-spec span{color:#64748b;font-weight:800;min-width:96px;}
.academy-selected-spec strong{color:#0f172a;line-height:1.7;text-align:left;direction:rtl;}
.receipt-actions{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));}
.phone-hint{margin:-4px 0 0!important;background:#eff6ff;border:1px solid #bfdbfe;border-radius:13px;padding:8px 10px;}
@media(max-width:640px){.receipt-actions{grid-template-columns:1fr!important}.academy-selected-spec>div{display:grid;gap:4px}.academy-selected-spec strong{text-align:right}.academy-access-card{max-height:94vh!important}}

/* v27-39-hide-academy-brand-icon */
.brand-icon{display:none!important}