/* ===== MOROCCAN ZELLIGE DESIGN SYSTEM ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root{
    --primary:#1B4965;
    --primary-dark:#0F2D40;
    --primary-light:#2E6B8A;
    --primary-bg:rgba(27,73,101,.08);
    --accent:#D4A843;
    --accent-dark:#B8922E;
    --accent-light:rgba(212,168,67,.12);
    --success:#2D8B5A;
    --success-bg:rgba(45,139,90,.1);
    --danger:#C0392B;
    --danger-bg:rgba(192,57,43,.1);
    --dark:#0A1628;
    --gray-900:#1A2332;
    --gray-700:#3A4A5C;
    --gray-500:#6B7A8D;
    --gray-400:#9AA8B4;
    --gray-200:#D8DEE4;
    --gray-100:#EEF1F4;
    --gray-50:#F6F8FA;
    --white:#FFFFFF;
    --radius:12px;
    --radius-lg:16px;
    --radius-xl:20px;
    --shadow-sm:0 1px 3px rgba(10,22,40,.06);
    --shadow:0 4px 12px rgba(10,22,40,.08);
    --shadow-lg:0 12px 24px rgba(10,22,40,.1);
    --shadow-xl:0 20px 40px rgba(10,22,40,.12);
    --zellige-pattern:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23D4A843' fill-opacity='0.06'%3E%3Cpath d='M30 0l30 30-30 30L0 30zM30 8L8 30l22 22 22-22z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    --zellige-border:url("data:image/svg+xml,%3Csvg width='40' height='8' viewBox='0 0 40 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 4l4-4 4 4-4 4zM8 0l4-4 4 4-4 4zM16 4l4-4 4 4-4 4zM24 0l4-4 4 4-4 4zM32 4l4-4 4 4-4 4z' fill='%23D4A843' fill-opacity='0.3'/%3E%3C/svg%3E");
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Inter',sans-serif;background:var(--gray-50);color:var(--dark);line-height:1.6;-webkit-font-smoothing:antialiased;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;height:auto;}

/* ===== NAVBAR ===== */
.navbar{background:rgba(255,255,255,.97);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px);}
.navbar-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:44px;border-radius:10px;padding:4px 6px;background:var(--gray-100);}
.brand-text{font-size:1.2rem;font-weight:800;color:var(--dark);letter-spacing:-.02em;}
.nav-links{display:flex;gap:4px;}
.nav-links a{padding:8px 16px;border-radius:var(--radius);font-weight:600;font-size:.9rem;color:var(--gray-500);transition:all .2s;}
.nav-links a:hover,.nav-links a.active{color:var(--primary);background:var(--primary-bg);}

/* ===== HERO ===== */
.hero{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 40%,var(--primary-light) 100%);padding:80px 24px 100px;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:0;background:var(--zellige-pattern);opacity:.8;}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:50px;background:var(--gray-50);border-radius:40px 40px 0 0;}
.hero-inner{max-width:1200px;margin:0 auto;text-align:center;position:relative;z-index:1;}
.hero-logo{height:80px;border-radius:16px;padding:8px 16px;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);margin-bottom:24px;border:1px solid rgba(255,255,255,.2);}
.hero h1{font-size:2.8rem;font-weight:900;color:var(--white);margin-bottom:12px;letter-spacing:-.02em;}
.hero p{font-size:1.15rem;color:rgba(255,255,255,.85);margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto;}
.hero-stats{display:inline-flex;align-items:center;gap:12px;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);padding:14px 28px;border-radius:100px;border:1px solid rgba(255,255,255,.15);}
.hero-stats .num{font-size:1.8rem;font-weight:800;color:var(--white);}
.hero-stats span{color:rgba(255,255,255,.9);font-weight:600;}

/* ===== ZELLIGE DIVIDER ===== */
.zellige-divider{height:4px;background:var(--zellige-border);background-size:40px 8px;margin:0;}

/* ===== SECTION ===== */
.section{max-width:1200px;margin:0 auto;padding:60px 24px;}
.section-header{text-align:center;margin-bottom:40px;}
.section-header h2{font-size:1.8rem;font-weight:800;color:var(--dark);margin-bottom:8px;}
.section-header p{color:var(--gray-500);font-size:1.05rem;}
.section-header .zellige-line{width:60px;height:4px;background:var(--accent);margin:12px auto 0;border-radius:2px;}

/* ===== CARDS GRID ===== */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;}
.card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-200);transition:all .3s;overflow:hidden;position:relative;}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:var(--accent);}
.card::before{content:'';position:absolute;top:0;right:0;left:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity .3s;}
.card:hover::before{opacity:1;}
.card-body{padding:24px;}
.card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px;}
.card-icon.primary{background:var(--primary-bg);color:var(--primary);}
.card-icon.accent{background:var(--accent-light);color:var(--accent);}
.card-icon.success{background:var(--success-bg);color:var(--success);}
.card-title{font-size:1.1rem;font-weight:700;color:var(--dark);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.card-desc{color:var(--gray-500);font-size:.9rem;margin-bottom:16px;line-height:1.6;}
.card-badges{display:flex;flex-wrap:wrap;gap:8px;}
.badge{font-size:.78rem;font-weight:600;padding:6px 12px;border-radius:8px;}
.badge.primary{background:var(--primary-bg);color:var(--primary);}
.badge.gray{background:var(--gray-100);color:var(--gray-700);}
.badge.accent{background:var(--accent-light);color:var(--accent-dark);}
.card-arrow{position:absolute;left:20px;top:50%;transform:translateY(-50%) translateX(8px);color:var(--primary);opacity:0;transition:all .3s;font-size:1.5rem;}
.card:hover .card-arrow{opacity:1;transform:translateY(-50%) translateX(0);}

/* ===== CHILDREN CHIPS ===== */
.children-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;padding-top:12px;border-top:1px solid var(--gray-100);}
.chip{font-size:.8rem;font-weight:600;padding:6px 14px;border-radius:8px;background:var(--gray-100);color:var(--gray-700);transition:all .2s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px;}
.chip:hover{background:var(--primary);color:var(--white);}

/* ===== LESSON CARD ===== */
.lesson-card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-200);padding:20px;transition:all .3s;display:flex;align-items:center;gap:16px;}
.lesson-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--accent);}
.lesson-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0;}
.lesson-icon.featured{background:var(--accent-light);color:var(--accent);}
.lesson-icon.normal{background:var(--primary-bg);color:var(--primary);}
.lesson-info{flex:1;min-width:0;}
.lesson-title{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.lesson-meta{color:var(--gray-500);font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ===== STORE BUTTONS ===== */
.store-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:8px;}
.store-btn{display:flex;flex-direction:column;align-items:center;gap:10px;background:rgba(0,0,0,.7);color:var(--white);padding:20px 28px;border-radius:var(--radius-lg);font-weight:700;font-size:.95rem;transition:all .3s;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);}
.store-btn:hover{transform:translateY(-4px);background:rgba(0,0,0,.85);box-shadow:var(--shadow-xl);}
.store-btn .qr-box{background:var(--white);border-radius:10px;padding:8px;}
.store-btn .store-label{display:flex;align-items:center;gap:8px;font-size:1rem;}

/* ===== BOOKMARK BUTTON ===== */
.bookmark-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--gray-200);background:var(--white);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;color:var(--gray-400);flex-shrink:0;}
.bookmark-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light);}

/* ===== LEVEL PAGE ===== */
.hero-stats{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap;}
.stat-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);padding:10px 20px;border-radius:100px;color:var(--white);font-weight:600;font-size:.9rem;max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:20px;font-size:.9rem;color:rgba(255,255,255,.7);}
.breadcrumb a{color:rgba(255,255,255,.85);transition:color .2s;}
.breadcrumb a:hover{color:var(--white);}

/* ===== LESSON BLOCK ===== */
.lesson-block{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);margin-bottom:16px;overflow:hidden;transition:all .3s;}
.lesson-block:hover{border-color:var(--accent);box-shadow:var(--shadow);}
.lesson-header{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;}
.lesson-header:hover{background:var(--gray-50);}
.lesson-title{font-size:1rem;font-weight:700;color:var(--dark);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.lesson-badges{display:flex;gap:6px;flex-wrap:nowrap;flex-shrink:0;overflow-x:auto;}
.lesson-chevron{color:var(--gray-400);transition:transform .3s;font-size:1.2rem;}
.lesson-block.open .lesson-chevron{transform:rotate(180deg);}
.lesson-body{padding:0 20px 20px;display:none;}
.lesson-block.open .lesson-body{display:block;}

/* ===== FILTER TABS ===== */
.filter-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px;overflow-x:auto;}
.filter-tab{padding:7px 16px;border-radius:100px;font-weight:600;font-size:.82rem;border:1px solid var(--gray-200);background:var(--white);color:var(--gray-500);cursor:pointer;transition:all .2s;}
.filter-tab:hover{border-color:var(--accent);color:var(--accent);}
.filter-tab.active{background:var(--primary);color:var(--white);border-color:var(--primary);}

/* ===== CONTENT GRID ===== */
.content-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;}
.content-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 16px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-lg);transition:all .3s;text-align:center;text-decoration:none;}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent);background:var(--white);}
.content-card .file-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;transition:transform .3s;}
.content-card:hover .file-icon{transform:scale(1.1);}
.content-card .file-icon.pdf{background:#FEE2E2;color:var(--danger);}
.content-card .file-icon.video{background:#DBEAFE;color:#3B82F6;}
.content-card .file-icon.word{background:#DBEAFE;color:#2563EB;}
.content-card .file-icon.ppt{background:var(--accent-light);color:var(--accent-dark);}
.content-card .file-icon.quiz{background:var(--success-bg);color:var(--success);}
.content-card .file-icon.other{background:var(--gray-100);color:var(--gray-500);}
.content-card .file-name{font-weight:600;color:var(--dark);font-size:.85rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;width:100%;word-break:break-word;}
.content-card .file-ext{font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:4px;text-transform:uppercase;}
.content-card .file-ext.pdf{background:#FEE2E2;color:var(--danger);}
.content-card .file-ext.video{background:#DBEAFE;color:#3B82F6;}
.content-card .file-ext.word{background:#DBEAFE;color:#2563EB;}
.content-card .file-ext.ppt{background:var(--accent-light);color:var(--accent-dark);}
.content-card .file-ext.quiz{background:var(--success-bg);color:var(--success);}
.content-card .file-ext.other{background:var(--gray-100);color:var(--gray-500);}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-weight:700;font-size:.95rem;text-decoration:none;transition:all .2s;border:none;cursor:pointer;font-family:inherit;}
.btn-primary{background:var(--primary);color:var(--white);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn-secondary{background:var(--gray-100);color:var(--gray-700);}
.btn-secondary:hover{background:var(--gray-200);}
.btn-accent{background:var(--accent);color:var(--white);}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);}
.btn-success{background:var(--success);color:var(--white);}
.btn-success:hover{background:#237048;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ===== FOOTER ===== */
.footer{background:var(--gray-900);color:var(--gray-400);text-align:center;padding:40px 24px;font-size:.9rem;position:relative;}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--zellige-border);background-size:40px 8px;}
.footer span{color:var(--accent);font-weight:600;}

/* ===== EMPTY STATE ===== */
.empty-state{text-align:center;padding:60px 24px;color:var(--gray-400);}
.empty-state p{font-size:1.05rem;}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
    .hero{padding:60px 20px 80px;}
    .hero h1{font-size:1.8rem;}
    .hero p{font-size:1rem;}
    .cards-grid{grid-template-columns:1fr;}
    .store-buttons{flex-direction:column;align-items:center;}
    .lesson-badges{display:none;}
    .content-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));}
}

/* ===== ANNOUNCEMENT BAR ===== */
.announcement-bar{background:linear-gradient(90deg,var(--accent),var(--accent-gold,var(--accent)),var(--accent));color:#fff;text-align:center;padding:10px 16px;font-weight:700;font-size:.95rem;position:relative;z-index:60;}
.announcement-bar p{margin:0;}

/* ===== AD BANNERS ===== */
.ad-banner{border-radius:var(--radius-lg);overflow:hidden;margin:24px 0;transition:all .3s;}
.ad-banner:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.ad-link{display:block;text-decoration:none;}
.ad-image{width:100%;height:auto;display:block;border-radius:var(--radius-lg);max-height:300px;object-fit:cover;}
.ad-placeholder{padding:40px 24px;background:linear-gradient(135deg,var(--primary-bg),var(--accent-light));border-radius:var(--radius-lg);text-align:center;font-weight:700;font-size:1.1rem;color:var(--primary);}
.ad-label{display:block;text-align:center;font-size:.7rem;color:var(--gray-400);margin-top:4px;font-weight:500;}
.ad-banner-full{margin:32px 0;}
.ad-banner-inline{display:inline-block;max-width:300px;}