:root{--color-primary:#0F172A;--color-primary-soft:#1E293B;--color-accent:#D4AF37;--color-accent-soft:#E8C962;--color-surface:#F7F5EF;--color-card:#FFFFFF;--color-warm-white:#FAFAF8;--color-text:#1E293B;--color-text-soft:#334155;--color-muted:#64748B;--color-muted-soft:#94A3B8;--color-border:#E7E5DE;--color-border-soft:#EFEDE6;--color-success:#15803D;--color-success-hover:#166534;--color-info:#1D4ED8;--color-info-hover:#1E40AF;--color-danger:#B91C1C;--font-display:'Tajawal','Cairo',system-ui,sans-serif;--font-body:'Cairo','Tajawal',system-ui,sans-serif;--radius-sm:0.5rem;--radius-md:0.75rem;--radius-lg:1rem;--radius-xl:1.25rem;--shadow-sm:0 1px 2px rgba(15, 23, 42, 0.04);--shadow-md:0 4px 16px rgba(15, 23, 42, 0.06);--shadow-lg:0 12px 28px rgba(15, 23, 42, 0.08);--shadow-xl:0 18px 42px rgba(15, 23, 42, 0.10);--shadow-gold:0 12px 24px rgba(212, 175, 55, 0.25);--transition:all 0.2s ease}[x-cloak]{display:none!important}body,html{overflow-x:hidden;max-width:100vw}body{font-family:var(--font-body);background:var(--color-surface);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::selection{background:var(--color-accent);color:var(--color-primary)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-surface)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:9999px}::-webkit-scrollbar-thumb:hover{background:var(--color-muted-soft)}.font-display{font-family:var(--font-display)}.font-body{font-family:var(--font-body)}h1,h2,h3,h4{font-family:var(--font-display);color:var(--color-primary);letter-spacing:0}.h-display{font-family:var(--font-display);font-weight:800;line-height:1.2;letter-spacing:0;color:var(--color-primary)}.prose-ar{font-size:1.0625rem;line-height:1.95;color:var(--color-text-soft)}.prose-ar>*+*{margin-top:1rem}.prose-ar p{margin:0 0 1.1rem}.prose-ar h2{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--color-primary);margin:2rem 0 1rem;padding-right:.875rem;border-right:4px solid var(--color-accent);line-height:1.4}.prose-ar h3{font-family:var(--font-display);font-size:1.2rem;font-weight:700;color:var(--color-primary);margin:1.75rem 0 .75rem}.prose-ar a{color:var(--color-info);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(29,78,216,0.4);transition:var(--transition)}.prose-ar a:hover{color:var(--color-info-hover);text-decoration-color:var(--color-info-hover)}.prose-ar ol,.prose-ar ul{padding-right:1.5rem;margin:1rem 0}.prose-ar ul{list-style:none}.prose-ar ul>li{position:relative;padding-right:1.25rem;margin-bottom:.5rem}.prose-ar ul>li::before{content:'';position:absolute;right:0;top:.7em;width:6px;height:6px;background:var(--color-accent);border-radius:50%}.prose-ar ol{list-style:decimal}.prose-ar ol>li{margin-bottom:.5rem;padding-right:.25rem}.prose-ar ol>li::marker{color:var(--color-accent);font-weight:700}.prose-ar strong{color:var(--color-primary);font-weight:700}.prose-ar blockquote{border-right:4px solid var(--color-accent);background:rgba(212,175,55,.06);padding:1rem 1.25rem;margin:1.5rem 0;border-radius:var(--radius-md);color:var(--color-text-soft);font-style:normal}.prose-ar table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.95rem;background:var(--color-card);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}.prose-ar table th{background:var(--color-primary);color:#fff;padding:.75rem 1rem;text-align:right;font-weight:600}.prose-ar table td{padding:.75rem 1rem;border-bottom:1px solid var(--color-border-soft)}.prose-ar table tr:nth-child(2n) td{background:var(--color-warm-white)}.prose-ar table tr:last-child td{border-bottom:0}.prose-ar img{max-width:100%;height:auto;border-radius:var(--radius-md);margin:1.25rem auto;display:block;box-shadow:var(--shadow-sm)}.prose-ar code{background:var(--color-warm-white);border:1px solid var(--color-border-soft);padding:.125rem .375rem;border-radius:4px;font-size:.9em;color:var(--color-danger)}.container-app{width:100%;max-width:80rem;margin-inline:auto;padding-inline:1rem}.section{padding-block:2.5rem}.section-title{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid var(--color-primary)}.section-title .line{width:4px;height:32px;background:var(--color-accent);border-radius:2px}.section-title h2{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--color-primary);margin:0}@media (min-width:768px){.container-app{padding-inline:1.5rem}.section{padding-block:4rem}.section-title h2{font-size:1.75rem}}.divider-gold{height:1px;background:linear-gradient(90deg,transparent,rgba(212,175,55,.5),transparent);border:0;margin:1.5rem 0}.premium-navbar{background:rgba(255,255,255,.96);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--color-border);box-shadow:0 2px 14px rgba(15,23,42,.04)}.premium-navbar .container-app{max-width:76rem}.site-logo--dark{color:#fff;line-height:0}.site-logo--dark svg{width:132px;max-width:100%;height:auto}.site-logo--nav svg{width:124px}.site-logo--footer svg{width:126px}.site-logo--transparent img{object-fit:contain;filter:drop-shadow(0 8px 16px rgba(0, 0, 0, .18))}.premium-navbar a{color:var(--color-text-soft);transition:var(--transition)}.premium-navbar a:hover{color:var(--color-primary)}.premium-navbar .nav-link{position:relative;padding:.5rem .75rem;font-size:.875rem;font-weight:500}.premium-navbar .nav-link::after{content:'';position:absolute;bottom:0;right:.75rem;left:.75rem;height:2px;background:var(--color-accent);transform:scaleX(0);transition:transform .3s}.premium-navbar .nav-link:hover::after{transform:scaleX(1)}.premium-navbar .dropdown-menu{background:rgba(255,255,255,.98);border:1px solid var(--color-border);backdrop-filter:blur(20px)}.premium-navbar .dropdown-menu a{color:var(--color-text-soft)}.premium-navbar .dropdown-menu a:hover{background:var(--color-warm-white);color:var(--color-primary)}.mobile-menu{background:rgba(255,255,255,.98);border-top:1px solid var(--color-border)}.mobile-menu a{color:var(--color-text-soft)}.mobile-menu a:hover{color:var(--color-primary);background:var(--color-warm-white)}.premium-hero{background:linear-gradient(135deg,#0f172a 0,#172033 48%,#24304a 100%);position:relative;overflow:hidden}.premium-hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 18% 35%,rgba(212,175,55,.1) 0,transparent 38%),linear-gradient(180deg,rgba(255,255,255,.04),transparent 45%);pointer-events:none}.premium-hero .grid-pattern{position:absolute;inset:0;background-image:linear-gradient(rgba(212,175,55,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(212,175,55,.025) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}.premium-hero .noise{position:absolute;inset:0;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");pointer-events:none}.hero-title{font-family:var(--font-display);font-weight:800;line-height:1.2;letter-spacing:0;color:#fff}.hero-title .accent-text{color:var(--color-accent)}.home-hero-subtitle{color:rgba(255,255,255,.72)}.home-search-strip{background:#fff;border-bottom:1px solid #e2e8f0;padding:1.25rem 0}.home-search-strip .container-app{max-width:64rem}.home-section{padding-top:2.5rem;padding-bottom:2.5rem}.home-search-strip+.home-section{padding-top:3rem}@media (min-width:768px){.home-section{padding-top:3rem;padding-bottom:3rem}.home-search-strip+.home-section{padding-top:3.5rem}}.home-section+.home-section{padding-top:0}.hsf-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:.75rem;direction:rtl}.hsf-field{display:flex;flex-direction:column;gap:.3rem;flex:1 1 180px;min-width:0}.hsf-label{font-size:.72rem;font-weight:600;color:#64748b;letter-spacing:.03em;padding-right:.2rem}.hsf-select{width:100%;height:2.85rem;padding:0 2.5rem 0 .85rem;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") left .75rem center/12px no-repeat #f8fafc;border:1.5px solid #cbd5e1;border-radius:.6rem;color:#1e293b;font-size:.9rem;font-family:var(--font-body);-webkit-appearance:none;appearance:none;cursor:pointer;transition:border-color .15s,box-shadow .15s,background-color .15s;outline:0}.hsf-select:hover{border-color:var(--color-accent);background-color:#fff}.hsf-select:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(212,175,55,.15);background-color:#fff}.hsf-select:not([value=""]):valid{border-color:var(--color-accent);background-color:#fffbf0}.hsf-btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;height:2.85rem;padding:0 1.6rem;background:var(--color-accent);color:var(--color-primary);font-weight:700;font-size:.9rem;font-family:var(--font-body);border:none;border-radius:.6rem;cursor:pointer;transition:background .2s,transform .15s,box-shadow .2s;white-space:nowrap;flex-shrink:0;align-self:flex-end;margin-bottom:0}.hsf-btn:hover:not(:disabled){background:#c9a227;box-shadow:0 4px 14px rgba(212,175,55,.35);transform:translateY(-1px)}.hsf-btn:active:not(:disabled){transform:translateY(0)}.hsf-btn--disabled,.hsf-btn:disabled{opacity:.55;cursor:not-allowed}@media (max-width:640px){.hsf-form{gap:.6rem}.hsf-field{flex:1 1 100%}.hsf-btn{width:100%}}.home-hero .hero-stat{display:inline-flex;align-items:baseline;gap:.45rem}.home-hero .hero-stat .number{color:var(--color-accent);font-size:1.65rem}.home-hero .hero-stat .label{color:rgba(255,255,255,.68)}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(212,175,55,.15);border:1px solid rgba(212,175,55,.3);color:var(--color-accent);padding:.5rem 1rem;border-radius:9999px;font-size:.875rem;font-weight:500}.hero-badge .pulse{width:8px;height:8px;background:#22c55e;border-radius:50%;animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}.hero-stat{text-align:center}.hero-stat .number{font-family:var(--font-display);font-size:2rem;font-weight:800;color:#fff}.hero-stat .label{font-size:.875rem;color:rgba(255,255,255,.5);font-weight:500}.hero-compact{background:var(--color-primary);position:relative;overflow:hidden;padding:3rem 0 2.5rem}.page-hero-compact{padding:2.5rem 0 2.25rem}.page-hero-compact .hero-icon{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:.85rem;color:var(--color-accent);background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.24);border-radius:var(--radius-md)}.page-hero-compact .hero-icon svg{width:24px;height:24px}.hero-compact::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 90% 20%,rgba(212,175,55,.08) 0,transparent 50%);pointer-events:none}.hero-compact .container-app{position:relative;z-index:2}.hero-compact h1{color:#fff;font-family:var(--font-display);font-weight:800;font-size:1.875rem;line-height:1.3;margin:0 0 .5rem}@media (min-width:768px){.hero-compact h1{font-size:2.25rem}}.hero-compact .meta{color:rgba(255,255,255,.6);font-size:.95rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-family:var(--font-body);font-weight:700;font-size:.95rem;line-height:1;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:var(--transition);text-decoration:none;white-space:nowrap}.btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.btn-gold{background:var(--color-accent);color:var(--color-primary);border-color:var(--color-accent)}.btn-gold:hover{background:var(--color-accent-soft);transform:translateY(-2px);box-shadow:var(--shadow-gold)}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background:var(--color-primary-soft);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-success{background:var(--color-success);color:#fff;border-color:var(--color-success)}.btn-success:hover{background:var(--color-success-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline{background:#fff;color:var(--color-primary);border-color:var(--color-border)}.btn-outline:hover{border-color:var(--color-accent);color:var(--color-primary);box-shadow:var(--shadow-md)}.btn-ghost{background:0 0;color:var(--color-text);border-color:transparent}.btn-ghost:hover{background:var(--color-warm-white);color:var(--color-primary)}.btn-lg{padding:1rem 2rem;font-size:1rem}.btn-block{width:100%}.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;transition:var(--transition)}.stage-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.75rem;transition:.3s;position:relative;overflow:hidden;text-decoration:none;color:inherit;display:block}.home-stage-card{min-height:8.75rem;border-radius:var(--radius-md);background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,255,255,.94))}.home-stage-card h3{color:var(--color-primary)}.home-stage-card p{color:var(--color-muted);font-size:.9rem;margin-top:.25rem}.home-stage-card svg{color:var(--color-accent)}.stage-card::before{content:'';position:absolute;top:0;right:0;left:0;height:3px;background:var(--color-accent);transform:scaleX(0);transition:transform .3s}.stage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-accent)}.stage-card:hover::before{transform:scaleX(1)}.stage-card .icon{width:48px;height:48px;background:var(--color-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--color-accent);margin-bottom:1rem}.stage-card .icon svg{width:24px;height:24px}.grade-strip{display:flex;gap:1rem;overflow-x:auto;overflow-y:hidden;padding-bottom:.75rem;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--color-border) transparent;cursor:grab}.grade-strip.is-dragging{cursor:grabbing;scroll-behavior:auto;user-select:none}.grade-strip.is-dragging a,.grade-strip.is-dragging img{pointer-events:none}.grade-strip>*{flex-shrink:0}.grade-strip::-webkit-scrollbar{height:6px}.grade-strip::-webkit-scrollbar-track{background:0 0}.grade-strip::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:9999px}.grade-strip-card{width:180px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:.3s;text-decoration:none;color:inherit;display:block}.grade-strip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-accent)}@media (min-width:768px){.grade-strip-card{width:200px}}.grade-strip-cta{width:140px;background:var(--color-primary);border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;color:#fff;transition:.3s;padding:1rem;text-align:center;text-decoration:none}.grade-strip-cta:hover{background:var(--color-accent);color:var(--color-primary)}@media (min-width:768px){.grade-strip-cta{width:160px}}.audience-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;transition:.3s;display:flex;align-items:center;gap:1.5rem;text-decoration:none;color:inherit}.home-audience-card{border-radius:var(--radius-md);background:linear-gradient(180deg,#fff,var(--color-warm-white))}.home-audience-card h3{color:var(--color-primary)}.home-audience-card p{color:var(--color-muted)}.home-audience-card .flex>svg,.home-audience-card>svg{color:var(--color-accent)}.audience-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent)}.audience-card .icon-box{width:56px;height:56px;background:var(--color-primary);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--color-accent);flex-shrink:0}.teacher-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.25rem;text-align:center;transition:var(--transition);text-decoration:none;color:inherit;display:block}.teacher-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-accent)}.teacher-card .avatar{width:80px;height:80px;border-radius:50%;margin:0 auto .75rem;object-fit:cover;border:3px solid var(--color-accent);background:var(--color-warm-white)}.teacher-card .name{font-family:var(--font-display);font-weight:700;color:var(--color-primary);font-size:.95rem;margin-bottom:.25rem}.teacher-card .count{font-size:.8rem;color:var(--color-muted)}.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.25rem .625rem;font-size:.7rem;font-weight:600;border-radius:9999px;letter-spacing:.02em;line-height:1}.badge-gold{background:rgba(212,175,55,.15);color:#92710a;border:1px solid rgba(212,175,55,.35)}.badge-primary{background:var(--color-primary);color:#fff}.badge-success{background:rgba(21,128,61,.1);color:var(--color-success);border:1px solid rgba(21,128,61,.25)}.subject-tag{position:absolute;top:.5rem;right:.5rem;background:var(--color-primary);color:#fff;font-size:.65rem;font-weight:600;padding:.25rem .625rem;border-radius:9999px;letter-spacing:.02em;z-index:2}.format-tag{position:absolute;bottom:.5rem;left:.5rem;background:var(--color-accent);color:var(--color-primary);font-size:.65rem;font-weight:700;padding:.2rem .5rem;border-radius:4px;z-index:2}.input,.select{width:100%;padding:.75rem 1rem;font-family:var(--font-body);font-size:.95rem;color:var(--color-text);background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);outline:0;transition:var(--transition)}.input:focus,.select:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(212,175,55,.15)}.premium-search{display:grid;grid-template-columns:1fr;gap:.75rem;max-width:56rem;margin:0 auto;background:rgba(255,255,255,.06);backdrop-filter:blur(12px);border:1px solid rgba(212,175,55,.2);border-radius:var(--radius-lg);padding:.75rem}@media (min-width:768px){.premium-search{grid-template-columns:1fr 1fr 1fr auto;align-items:stretch}}.premium-search select{width:100%;padding:.85rem 1rem;background:rgba(255,255,255,.95);color:var(--color-primary);font-size:.9rem;font-weight:600;border:0;border-radius:var(--radius-md);outline:0;cursor:pointer;font-family:var(--font-body)}.premium-search select:focus{box-shadow:0 0 0 3px rgba(212,175,55,.3)}.premium-search button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--color-accent);color:var(--color-primary);font-weight:700;padding:.85rem 2rem;border:0;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);font-family:var(--font-body)}.premium-search button:hover{transform:translateY(-2px);box-shadow:var(--shadow-gold)}.filter-bar{display:flex;flex-wrap:wrap;gap:.5rem;padding:1rem;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);margin-bottom:1.5rem}.filter-pill{display:inline-flex;align-items:center;gap:.375rem;padding:.5rem 1rem;background:var(--color-warm-white);border:1px solid var(--color-border);border-radius:9999px;font-size:.85rem;font-weight:500;color:var(--color-text);text-decoration:none;transition:var(--transition)}.filter-pill:hover{border-color:var(--color-accent);color:var(--color-primary)}.filter-pill.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.download-box{background:linear-gradient(135deg,#fff 0,var(--color-warm-white) 100%);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-md);position:relative;overflow:hidden}.download-box::before{content:'';position:absolute;top:0;right:0;left:0;height:4px;background:linear-gradient(90deg,var(--color-accent) 0,var(--color-accent-soft) 100%)}.download-box h2{font-family:var(--font-display);font-size:1.125rem;font-weight:800;color:var(--color-primary);margin:0 0 1rem;display:flex;align-items:center;gap:.5rem}.download-box h2 .gold-dot{width:8px;height:8px;background:var(--color-accent);border-radius:50%;box-shadow:0 0 0 4px rgba(212,175,55,.2)}.file-meta-table{width:100%;font-size:.9rem;border-collapse:collapse}.file-meta-table tr{border-bottom:1px solid var(--color-border-soft)}.file-meta-table tr:last-child{border-bottom:0}.file-meta-table td{padding:.625rem 0}.file-meta-table td:first-child{color:var(--color-muted);font-weight:600;width:35%;white-space:nowrap}.file-meta-table td:last-child{color:var(--color-text);font-weight:500}.download-actions{display:grid;grid-template-columns:1fr;gap:.75rem;margin-top:1.25rem}@media (min-width:480px){.download-actions{grid-template-columns:1fr 1fr}}.share-bar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.share-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-warm-white);border:1px solid var(--color-border);border-radius:50%;color:var(--color-muted);transition:var(--transition);text-decoration:none}.share-btn:hover{background:var(--color-primary);color:var(--color-accent);border-color:var(--color-primary);transform:translateY(-2px)}.share-btn svg{width:18px;height:18px}.share-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;box-shadow:0 4px 14px rgba(15,23,42,.04)}.share-card h3{margin:0;color:var(--color-primary)}.share-card .share-bar{gap:.625rem}.share-card .share-btn{width:42px;height:42px;border-radius:var(--radius-md);border:0;color:#fff}.share-card .share-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:#fff}.share-btn.whatsapp{background:#25d366}.share-btn.facebook{background:#1877f2}.share-btn.twitter{background:#0f172a}.share-btn.telegram{background:#229ed9}.post-page{max-width:64rem}.post-stack{display:flex;flex-direction:column;gap:1.25rem}@media (min-width:768px){.share-card{padding:1.4rem 2rem}.post-stack{gap:1.5rem}}.post-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:0 4px 14px rgba(15,23,42,.04);transition:box-shadow .2s}@media (min-width:768px){.post-card{padding:1.75rem 2rem}}.post-subject-badge{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .85rem;border-radius:9999px;color:#fff;font-size:.75rem;font-weight:600;text-decoration:none;margin-bottom:.85rem;transition:opacity .15s}.post-subject-badge:hover{opacity:.9}.post-h1{font-family:var(--font-display);font-weight:800;color:var(--color-primary);font-size:clamp(1.4rem, 2.2vw, 1.95rem);line-height:1.45;margin:0 0 1rem;letter-spacing:-.01em}.post-meta-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:0}.post-meta-tag{display:inline-flex;align-items:center;gap:.3rem;padding:.35rem .75rem;border-radius:9999px;font-size:.8rem;font-weight:500;text-decoration:none;transition:background-color .15s;border:1px solid transparent}.tag-grade{background:#eff6ff;color:#1d4ed8}.tag-grade:hover{background:#dbeafe}.tag-term{background:#ecfdf5;color:#047857}.tag-term:hover{background:#d1fae5}.tag-teacher{background:#fffbeb;color:#b45309}.tag-teacher:hover{background:#fef3c7}.tag-static{background:#f3f4f6;color:#374151}.post-download-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:1.25rem 1.5rem;box-shadow:0 4px 14px rgba(15,23,42,.04)}.post-card-actions{display:grid;grid-template-columns:1fr 1fr;gap:.875rem}.post-download-primary,.post-download-secondary{min-height:3rem;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:var(--radius-md);font-weight:800;text-decoration:none;transition:var(--transition)}.post-download-primary{background:linear-gradient(135deg,#2563eb 0,#4f46e5 100%);color:#fff;box-shadow:0 8px 18px rgba(37,99,235,.2)}.post-download-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(37,99,235,.28)}.post-download-secondary{background:#fff;color:var(--color-text-soft);border:1px solid #dde3ee}.post-download-secondary:hover{color:#2563eb;border-color:#93c5fd;box-shadow:var(--shadow-md);transform:translateY(-2px)}.post-preview-card{padding:1.5rem}@media (min-width:768px){.post-preview-card{padding:1.75rem 2rem}}.post-preview-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.875rem;padding-bottom:1rem;margin-bottom:1.25rem;border-bottom:1px solid var(--color-border-soft)}.post-preview-title{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:700;color:var(--color-primary);margin:0}.post-download-inline{min-height:2.85rem;padding:0 1.5rem;flex-shrink:0}.post-pending-badge{display:inline-flex;align-items:center;padding:.5rem 1rem;background:#fef3c7;border:1px solid #fde68a;color:#92400e;border-radius:9999px;font-size:.85rem;font-weight:600}.post-preview-frame{position:relative;width:100%;padding-bottom:130%}.post-section-title{display:flex;align-items:center;gap:.55rem;font-size:1.2rem;font-weight:700;color:var(--color-primary);margin:0 0 1.25rem;padding-bottom:.85rem;border-bottom:1px solid var(--color-border-soft)}.post-section-title>span:first-child{font-size:1.35rem}.post-audience-tabs{display:flex;gap:.25rem;margin-bottom:1.25rem;border-bottom:1px solid #e5e7eb;overflow-x:auto}.post-audience-tabs button{flex-shrink:0}.post-content-card .post-content{font-size:1rem;line-height:1.85;color:#334155}.post-related{margin-top:.5rem}.post-related-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:2px solid var(--color-border-soft)}.post-related-header .post-section-title{border-bottom:none;padding-bottom:0;margin-bottom:0;font-size:1.25rem}.post-related-count{font-size:.8rem;font-weight:600;color:var(--color-muted);background:var(--color-warm-white,#f8fafc);border:1px solid var(--color-border-soft);padding:.3rem .7rem;border-radius:999px;white-space:nowrap}.post-related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.875rem}@media (min-width:768px){.post-related-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem}}@media (max-width:767px){.site-logo--nav svg{width:108px}.post-card-actions{grid-template-columns:1fr}.post-title-card{padding:1.25rem}.post-preview-header{flex-direction:column;align-items:stretch}.post-download-inline{width:100%;justify-content:center}}.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--color-border-soft);padding:.75rem 0;font-size:.85rem}.breadcrumb-bar .container-app{display:flex;flex-wrap:wrap;gap:.375rem;align-items:center;color:var(--color-muted)}.breadcrumb-bar a{color:var(--color-muted);text-decoration:none;transition:var(--transition);padding:.125rem .25rem;border-radius:4px}.breadcrumb-bar a:hover{color:var(--color-primary);background:var(--color-warm-white)}.breadcrumb-bar .sep{color:var(--color-accent);font-weight:700}.breadcrumb-bar .current{color:var(--color-primary);font-weight:600}.page-title-bar{padding-bottom:1.5rem;margin-bottom:2rem;border-bottom:1px solid var(--color-border-soft)}.page-title{font-family:var(--font-display);font-size:1.6rem;font-weight:800;color:var(--color-primary);line-height:1.25}@media (min-width:768px){.page-title{font-size:1.9rem}}.page-title-meta{font-size:.875rem;color:var(--color-muted);margin-top:.35rem}.empty-state{background:#fff;border:1px solid var(--color-border-soft);border-radius:1rem;padding:3rem;text-align:center;color:var(--color-muted);font-size:.95rem}.grade-hero{position:relative;overflow:hidden;border-radius:1.25rem;padding:2rem 1.75rem;margin-bottom:1.75rem;background:linear-gradient(135deg,#1e3a8a 0,#2563eb 55%,#3b82f6 100%);color:#fff;box-shadow:0 10px 30px -12px rgba(30,58,138,.45)}.grade-hero::after,.grade-hero::before{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08);pointer-events:none}.grade-hero::before{width:220px;height:220px;top:-90px;left:-60px}.grade-hero::after{width:160px;height:160px;bottom:-70px;right:-50px;background:rgba(255,255,255,.06)}.grade-hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap}.grade-hero-icon{width:72px;height:72px;border-radius:1rem;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;font-size:2.25rem;flex-shrink:0;border:1px solid rgba(255,255,255,.25)}.grade-hero-text{flex:1;min-width:200px}.grade-hero h1{font-family:var(--font-display);font-size:1.7rem;font-weight:800;line-height:1.2;margin:0;color:#fff}@media (min-width:768px){.grade-hero h1{font-size:2.1rem}}.grade-hero-meta{display:inline-flex;align-items:center;gap:.4rem;margin-top:.6rem;padding:.35rem .85rem;background:rgba(255,255,255,.18);border-radius:9999px;font-size:.82rem;font-weight:600}.filter-strip{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.filter-strip .chip-label{font-size:.78rem;color:var(--color-muted);font-weight:600;align-self:center;margin-inline-end:.35rem}.filter-chip{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border-radius:9999px;background:#fff;border:1px solid var(--color-border-soft);color:var(--color-text-soft);font-size:.85rem;font-weight:600;transition:var(--transition);text-decoration:none}.filter-chip:hover{border-color:var(--color-primary);color:var(--color-primary);background:rgba(37,99,235,.04);transform:translateY(-1px)}.filter-chip.is-active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.section-head h2{font-size:1.1rem;font-weight:800;color:var(--color-primary);margin:0;display:flex;align-items:center;gap:.5rem}.section-head h2::before{content:"";width:4px;height:18px;background:var(--color-accent,#d4af37);border-radius:2px}.premium-footer{background:#fff;border-top:1px solid var(--color-border);color:var(--color-text-soft)}.premium-footer a{color:var(--color-muted);transition:color .2s;text-decoration:none}.premium-footer a:hover,.premium-footer h4{color:var(--color-primary)}.premium-footer .stat-box{background:var(--color-warm-white);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.875rem .75rem;text-align:center;transition:var(--transition)}.premium-footer .stat-box:hover{background:rgba(212,175,55,.08);border-color:rgba(212,175,55,.35)}.premium-footer .stat-box .number{font-family:var(--font-display);font-size:1.35rem;font-weight:800;color:var(--color-primary)}.premium-footer .stat-box .label{font-size:.72rem;color:var(--color-muted);margin-top:.25rem}@media (min-width:1024px){.premium-footer .site-logo--footer img{height:46px}}.pager-wrap{display:flex;justify-content:center;margin-top:3rem;margin-bottom:1rem}.pager{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem;background:rgba(255,255,255,.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--color-border);border-radius:999px;box-shadow:0 4px 14px rgba(15,23,42,.06),0 1px 0 rgba(255,255,255,.8) inset}.pager-btn{display:inline-flex;align-items:center;justify-content:center;min-width:2.4rem;height:2.4rem;padding:0 .85rem;border-radius:999px;color:var(--color-primary);font-family:var(--font-display);font-weight:600;font-size:.9rem;text-decoration:none;border:1px solid transparent;background:0 0;transition:background-color .18s,color .18s,transform .18s,border-color .18s}.pager-btn:hover{background:var(--color-warm-white,#f8fafc);color:var(--color-primary);border-color:var(--color-border-soft)}.pager-btn:active{transform:scale(.94)}.pager-btn.is-current{background:linear-gradient(135deg,var(--color-primary) 0,#1e293b 100%);color:var(--color-accent);border-color:var(--color-primary);box-shadow:0 4px 12px rgba(15,23,42,.25),0 0 0 2px rgba(212,175,55,.15);cursor:default}.pager-btn.is-current:hover{background:linear-gradient(135deg,var(--color-primary) 0,#1e293b 100%)}.pager-btn.is-disabled{opacity:.35;cursor:not-allowed;color:var(--color-muted)}.pager-btn.is-disabled:hover{background:0 0;border-color:transparent}.pager-arrow{min-width:2.4rem;width:2.4rem;padding:0;color:var(--color-muted)}.pager-arrow:hover{color:var(--color-primary);background:var(--color-warm-white,#f8fafc)}.pager-arrow svg{display:block}.pager-dots{min-width:1.6rem;text-align:center;color:var(--color-muted);font-weight:700;letter-spacing:.1em;user-select:none}@media (max-width:540px){.pager{gap:.2rem;padding:.3rem}.pager-btn{min-width:2.15rem;height:2.15rem;padding:0 .6rem;font-size:.85rem}.pager-arrow{width:2.15rem;min-width:2.15rem;padding:0}}.text-accent{color:var(--color-accent)}.text-primary{color:var(--color-primary)}.text-muted{color:var(--color-muted)}.bg-accent{background-color:var(--color-accent)}.bg-primary{background-color:var(--color-primary)}.bg-surface{background-color:var(--color-surface)}.bg-warm{background-color:var(--color-warm-white)}.border-gold{border-color:var(--color-accent)}@media (max-width:480px){.section{padding-block:2rem}.section-title h2{font-size:1.25rem}.download-box{padding:1.125rem}.download-box h2{font-size:1rem}.post-card .title{font-size:.9rem}.file-meta-table td{padding:.5rem 0;font-size:.85rem}}