/* الموارد التعليمية — صفحة مستقلة تعتمد على هوية الموقع في styles.css */
:root{--res-ring:#f3c85c}
.res-hero{background:var(--ink);color:#fff;padding:70px 0 40px;position:relative;overflow:hidden}
.res-hero:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 88% 12%,rgba(8,124,120,.35),transparent 55%),radial-gradient(circle at 8% 88%,rgba(243,200,92,.16),transparent 45%);pointer-events:none}
.res-hero .section-label{border-color:#3c595d;color:#9ab8b3;margin-bottom:40px;position:relative}
.res-hero .section-label span:first-child{color:var(--aqua)}
.res-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:8%;align-items:end;position:relative}
.res-hero h1{font-family:'Noto Naskh Arabic','Traditional Arabic',Georgia,serif;font-size:clamp(42px,5vw,68px);line-height:1.3;margin:18px 0}
.res-hero h1 em{font-style:normal;color:var(--aqua)}
.res-intro{max-width:520px;color:#c5d1d1;font-size:15px;line-height:2}
.res-latin{font:10px Arial,serif;letter-spacing:1.6px;color:#8ba3a1;margin:16px 0 0}
.res-stats{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#2b4a52;border:1px solid #2b4a52}
.res-stats li{background:#12303c;padding:16px 12px;text-align:center}
.res-stats strong{display:block;font:700 22px Georgia,serif;color:var(--gold);line-height:1.4}
.res-stats span{display:block;font-size:10px;color:#a9c0be;margin-top:4px}
.res-toolbar{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:38px;position:relative}
.res-search{display:flex;align-items:center;gap:10px;background:#0d2632;border:1px solid #34525c;padding:0 16px;flex:1 1 320px;max-width:460px}
.res-search span{color:var(--gold);font-size:18px}
.res-search input{flex:1;background:transparent;border:0;color:#fff;font:inherit;font-size:13px;padding:13px 0;outline:none}
.res-search input::placeholder{color:#7e9795}
.res-types{display:flex;gap:8px;flex-wrap:wrap}
.res-types button{border:1px solid #3a5a62;background:transparent;color:#cfe0dc;padding:9px 18px;font-size:12px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:background .25s,color .25s,border-color .25s}
.res-types button b{font:10px Arial;color:#8ba3a1}
.res-types button:hover{border-color:var(--aqua);color:#fff}
.res-types button.active{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.res-types button.active b{color:#6b5518}
.res-jump{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px;position:relative;max-height:132px;overflow:auto;padding-bottom:4px;scrollbar-width:thin}
.res-jump a{border:1px solid #2f4d56;background:#0e2833;color:#b8cbc8;font-size:11px;padding:7px 14px;white-space:nowrap;transition:border-color .25s,color .25s,transform .25s}
.res-jump a:hover,.res-jump a.active{border-color:var(--aqua);color:#fff;transform:translateY(-2px)}
.res-jump a span{color:var(--gold);font:9px Arial;margin-inline-start:7px}
.res-note{font-size:12px;color:#93a9a7;margin:22px 0 0;position:relative}
.res-note b{color:var(--gold);font-weight:400}
.res-section{padding:75px 0 100px;background:var(--paper)}
.res-folders{display:flex;flex-direction:column;gap:56px}
.res-folder{scroll-margin-top:110px;opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.res-folder.in{opacity:1;transform:none}
.res-folder[data-depth]:not([data-depth="1"]){border-inline-start:2px solid #cddad3;padding-inline-start:26px}
.res-folder-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;border-top:1px solid #cdd8d2;padding-top:16px;flex-wrap:wrap}
.res-folder-head h2{font-family:'Noto Naskh Arabic','Traditional Arabic',Georgia,serif;font-size:clamp(26px,3vw,38px);line-height:1.4;margin:6px 0 4px}
.res-folder-index{font:10px Arial;letter-spacing:1.4px;color:var(--teal)}
.res-folder-path{font-size:11px;color:#7b8f89;margin:0}
.res-folder-counts{list-style:none;display:flex;gap:8px;margin:0;padding:0;flex-wrap:wrap}
.res-folder-counts li{background:#fff;border:1px solid var(--line);font-size:11px;color:#5d736d;padding:6px 12px}
.res-folder-counts li b{color:var(--teal);font:700 12px Arial;margin-inline-end:5px}
.res-block{margin-top:30px}
.res-block>h3{font-size:14px;margin:0 0 16px;display:flex;align-items:center;gap:12px;color:var(--ink)}
.res-block>h3:after{content:'';flex:1;height:1px;background:#d8e1da}
.res-block>h3 span{font:10px Arial;color:var(--teal)}
.res-grid{display:grid;gap:20px}
.res-grid-images{grid-template-columns:repeat(4,minmax(0,1fr))}
.res-grid-videos{grid-template-columns:repeat(3,minmax(0,1fr))}
.res-photo{margin:0;background:var(--white);border:1px solid #e4e9e1;display:flex;flex-direction:column;opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease,box-shadow .3s ease}
.res-photo.in{opacity:1;transform:none}
.res-photo:hover{box-shadow:0 14px 30px rgba(16,37,52,.14)}
.res-photo-btn{position:relative;display:block;border:0;padding:0;background:#12303c;cursor:zoom-in;aspect-ratio:4/3;overflow:hidden}
.res-photo-btn img{display:block;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s ease,transform .6s ease}
.res-photo-btn img.loaded{opacity:1}
.res-photo:hover .res-photo-btn img.loaded{transform:scale(1.05)}
.res-skeleton{position:absolute;inset:0;background:linear-gradient(100deg,#163843 20%,#1d4b52 40%,#163843 60%);background-size:220% 100%;animation:res-shimmer 1.5s linear infinite}
.res-photo-btn img.loaded+.res-skeleton,.res-photo-btn img.loaded~.res-skeleton{opacity:0;animation:none}
.res-photo-failed{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#cfe0dc;font-size:11px;background:#163843}
.res-photo-failed button{border:1px solid var(--aqua);background:transparent;color:#fff;font-size:11px;padding:6px 12px;cursor:pointer}
.res-photo figcaption{padding:14px 16px 18px;display:flex;flex-direction:column;gap:3px}
.res-photo figcaption strong{font-size:13px;line-height:1.7;font-weight:700}
.res-video{background:var(--white);border:1px solid #e4e9e1;display:flex;flex-direction:column;min-width:0;opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease,box-shadow .3s}
.res-video.in{opacity:1;transform:none}
.res-video:hover{box-shadow:0 14px 30px rgba(16,37,52,.14)}
.res-frame{position:relative;aspect-ratio:16/9;background:#0b1d2a;overflow:hidden;cursor:pointer}
.res-frame .res-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .45s ease}
.res-frame .res-poster.loaded{opacity:1}
.res-video.no-poster .res-frame{background:radial-gradient(120% 120% at 50% 0%,#1d4b52 0%,#0b1d2a 72%)}
.res-frame .res-skeleton{position:absolute;inset:0}
.res-frame-play{position:absolute;inset-block-start:50%;inset-inline-start:50%;transform:translate(-50%,-50%);width:66px;height:66px;padding:0;border-radius:50%;border:2px solid rgba(255,255,255,.85);background:rgba(11,29,42,.55);color:#fff;font-size:19px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s,color .25s,border-color .25s,transform .25s}
.res-frame-play span{margin-inline-start:-3px}
.res-frame-play:hover,.res-frame-play:focus-visible{background:var(--gold);border-color:var(--gold);color:#0b1d2a;transform:translate(-50%,-50%) scale(1.07)}
.res-frame-play[hidden]{display:none}
.res-frame-bar{position:absolute;inset-inline:0;bottom:0;height:3px;background:rgba(255,255,255,.18)}
.res-frame-bar[hidden]{display:none}
.res-frame-bar i{display:block;height:100%;width:0;background:var(--gold);transition:width .2s linear}
.res-video-info{padding:16px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.res-video-info h3{font-size:15px;line-height:1.7;margin:0}
.res-meta{font-size:11px;color:#7d8f89;margin:0;display:flex;gap:8px;flex-wrap:wrap}
.res-meta b{color:#5d736d;font-weight:400}
.res-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:12px}
.res-btn{border:1px solid var(--ink);background:var(--ink);color:#fff;font-size:11px;padding:9px 15px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:background .25s,color .25s,border-color .25s}
.res-btn:hover{background:var(--teal);border-color:var(--teal)}
.res-btn.ghost{background:transparent;color:var(--ink);border-color:#b9cbc4}
.res-btn.ghost:hover{background:#eaf1ec;color:var(--teal);border-color:var(--teal)}
.res-btn[disabled]{opacity:.55;cursor:progress}
.res-btn .res-mini{width:12px;height:12px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:res-spin .8s linear infinite}
.res-files{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.res-file{display:flex;align-items:center;gap:16px;padding:16px 4px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.res-file-icon{flex:none;width:52px;height:52px;display:grid;place-items:center;background:#e6f0e9;color:var(--teal);font:700 10px Arial;letter-spacing:.6px}
.res-file-icon[data-ext="pdf"]{background:#fbe9e4;color:#b4552f}
.res-file-icon[data-ext="docx"],.res-file-icon[data-ext="doc"]{background:#e4edfb;color:#2f5fb4}
.res-file-icon[data-ext="pptx"],.res-file-icon[data-ext="ppt"]{background:#fdeee2;color:#c1642a}
.res-file-icon[data-ext="zip"],.res-file-icon[data-ext="rar"]{background:#efeafb;color;color:#6a4bb4}
.res-file-icon[data-ext="heic"],.res-file-icon[data-ext="mov"]{background:#f4f0df;color:#8a7a2c}
.res-file-body{flex:1;min-width:200px}
.res-file-body strong{display:block;font-size:14px;line-height:1.7}
.res-file-body small{display:block;font-size:11px;color:#7d8f89;overflow-wrap:anywhere}
.res-file .res-actions{margin:0;padding:0}
.res-empty{text-align:center;padding:60px 0}
.res-empty h2{font-family:'Noto Naskh Arabic','Traditional Arabic',Georgia,serif;margin:10px 0}
.res-empty h2 em{font-style:normal;color:var(--teal)}
.res-empty p{color:#6c7f79;font-size:13px}
.res-reset{margin-top:14px;border:1px solid var(--ink);background:var(--ink);color:#fff;padding:10px 20px;font-size:12px;cursor:pointer}
.res-foot-note{font-size:11px;color:#7d8f89;margin-top:40px;border-top:1px solid var(--line);padding-top:18px}
/* عارض الصور */
#res-confirm{border:0;padding:0;background:transparent;width:min(460px,92vw)}
#res-confirm::backdrop{background:rgba(6,18,26,.86)}
.res-confirm-inner{background:var(--white);border-top:3px solid var(--gold);padding:28px 26px 24px}
.res-confirm-kicker{font:10px Arial,serif;letter-spacing:1.6px;color:var(--teal);margin:0 0 10px}
.res-confirm-inner h2{font:700 21px Georgia,serif;color:var(--ink);margin:0 0 10px;line-height:1.6}
.res-confirm-body{font-size:13px;line-height:2;color:#4a5c62;margin:0 0 22px}
.res-confirm-actions{display:flex;gap:10px;flex-wrap:wrap}
.res-confirm-actions button{border:1px solid var(--line);background:transparent;color:var(--ink);padding:11px 22px;font:inherit;font-size:12px;cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.res-confirm-actions button:hover{border-color:var(--teal)}
.res-confirm-actions .res-gold{background:var(--gold);border-color:var(--gold);font-weight:bold}
.res-confirm-actions .res-gold:hover{background:#ffe09a}
#res-lightbox{border:0;padding:0;background:transparent;max-width:96vw;max-height:96vh;width:min(1120px,96vw)}
#res-lightbox::backdrop{background:rgba(6,18,26,.93)}
.res-lightbox-inner{background:var(--white);display:flex;flex-direction:column;max-height:96vh}
.res-lightbox-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.res-lightbox-caption{min-width:0}
.res-lightbox-caption span{display:block;font-size:10px;color:var(--teal);font-weight:bold}
.res-lightbox-caption strong{display:block;font-size:14px;line-height:1.6}
.res-lightbox-caption small{display:block;font-size:10px;color:#849690}
.res-lightbox-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.res-lightbox-tools button{border:1px solid #b9cbc4;background:transparent;color:var(--ink);padding:8px 13px;font-size:12px;cursor:pointer}
.res-lightbox-tools button:hover{border-color:var(--teal);color:var(--teal)}
.res-lightbox-tools .res-gold{background:var(--gold);border-color:var(--gold);color:var(--ink);font-weight:bold}
.res-lightbox-tools .res-gold:hover{background:#ffe09a;color:var(--ink)}
.res-lightbox-tools span{font-size:11px;color:#7d8f89;min-width:56px;text-align:center}
.res-lightbox-stage{position:relative;background:#0b1d2a;display:grid;place-items:center;min-height:280px;max-height:74vh;overflow:auto}
.res-lightbox-stage img{display:block;max-width:100%;max-height:74vh;object-fit:contain}
.res-lightbox-stage iframe{width:100%;height:74vh;border:0;background:#fff}
.res-lightbox-stage .res-skeleton{position:absolute;inset:0}
/* رصيف التنزيلات — حركة التقدّم أثناء تنزيل الفيديو */
.res-dock{position:fixed;inset-block-end:18px;inset-inline-start:18px;z-index:60;display:flex;flex-direction:column;gap:10px;width:min(360px,calc(100vw - 36px))}
.res-dock:empty{display:none}
.res-dl{background:#0e2833;color:#e6f1ee;border:1px solid #2c4d57;box-shadow:0 18px 40px rgba(6,18,26,.35);padding:14px 16px;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;animation:res-slide-in .35s ease}
.res-dl.out{animation:res-slide-out .3s ease forwards}
.res-ring{--p:0;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--res-ring) calc(var(--p)*1%),rgba(255,255,255,.14) 0);position:relative}
.res-ring:before{content:'';position:absolute;inset:4px;border-radius:50%;background:#0e2833}
.res-ring b{position:relative;font:700 11px Arial;color:#fff}
.res-dl.indeterminate .res-ring{background:conic-gradient(from 0deg,rgba(255,255,255,.1),var(--res-ring),rgba(255,255,255,.1));animation:res-spin 1.1s linear infinite}
.res-dl.indeterminate .res-ring b{visibility:hidden}
.res-dl-body{min-width:0}
.res-dl-body strong{display:block;font-size:12px;line-height:1.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.res-dl-body small{display:block;font-size:10px;color:#9db4b1;margin-top:2px}
.res-dl-bar{height:3px;background:rgba(255,255,255,.16);margin-top:8px;overflow:hidden}
.res-dl-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--gold));transition:width .2s linear}
.res-dl.indeterminate .res-dl-bar i{width:40%!important;animation:res-indeterminate 1.3s ease-in-out infinite}
.res-dl-cancel{border:1px solid #3d6069;background:transparent;color:#cfe0dc;width:30px;height:30px;cursor:pointer;font-size:12px;line-height:1}
.res-dl-cancel:hover{border-color:var(--gold);color:var(--gold)}
.res-dl.done{border-color:#2f6b52}
.res-dl.done .res-ring{background:#2f6b52;animation:res-pop .45s ease}
.res-dl.done .res-ring:before{background:#0e2833}
.res-dl.done .res-ring b{color:#8ce0b4;font-size:15px}
.res-dl.error{border-color:#7c3a34}
.res-dl.error .res-ring{background:#7c3a34}
@keyframes res-shimmer{0%{background-position:180% 0}100%{background-position:-80% 0}}
@keyframes res-spin{to{transform:rotate(360deg)}}
@keyframes res-indeterminate{0%{transform:translateX(-100%)}100%{transform:translateX(320%)}}
@keyframes res-slide-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes res-slide-out{to{opacity:0;transform:translateY(12px)}}
@keyframes res-pop{0%{transform:scale(.7)}60%{transform:scale(1.12)}100%{transform:scale(1)}}
/* عناصر مشتركة */
#nav a[aria-current="page"]{color:var(--teal);border-bottom:2px solid var(--gold);padding-bottom:4px}
.res-hint{background:#fdf3d8;border:1px solid #e9d9a6;color:#5d4d1c;padding:14px 18px;margin-top:14px;line-height:1.9}
.res-hint b{color:#3f3411}
.res-mini{display:inline-block;width:12px;height:12px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:res-spin .8s linear infinite;flex:none}
.res-photo .res-actions{padding:0 16px 16px}
.res-photo-failed b{font:700 12px Arial;color:var(--gold);letter-spacing:1px}
.res-photo-failed small{font-size:10px;max-width:180px;text-align:center;line-height:1.7}
.res-photo-btn .res-skeleton[hidden]{display:none}
.res-file-icon[data-ext=""]{background:#eef1ea;color:#6d807a}
.res-jump::-webkit-scrollbar{height:6px}
.res-jump::-webkit-scrollbar-thumb{background:#2f4d56}
@media(max-width:1000px){.res-hero-grid{grid-template-columns:1fr;gap:34px}.res-grid-images{grid-template-columns:repeat(3,minmax(0,1fr))}.res-grid-videos{grid-template-columns:repeat(2,minmax(0,1fr))}.res-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.res-hero{padding:50px 0 32px}.res-grid-images{grid-template-columns:repeat(2,minmax(0,1fr))}.res-toolbar{flex-direction:column;align-items:stretch}.res-search{max-width:none}.res-folder[data-depth]:not([data-depth="1"]){padding-inline-start:14px}.res-file-icon{width:44px;height:44px}.res-dock{inset-inline:12px;width:auto}}
@media(max-width:500px){.res-grid-images,.res-grid-videos{grid-template-columns:1fr}.res-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.res-lightbox-bar{gap:10px}}
@media(prefers-reduced-motion:reduce){.res-folder,.res-photo,.res-video{opacity:1;transform:none;transition:none}.res-frame-play,.res-frame .res-poster{transition:none}.res-skeleton,.res-dl.indeterminate .res-ring,.res-dl.indeterminate .res-dl-bar i,.res-mini,.res-dl,.res-dl.done .res-ring{animation:none}}