/* nav.css – generated by nav_build.py */
.tnv-bar,.tnv-panel{--tb:linear-gradient(90deg,#16304f,#2C5282);--ta:#B8902F;--tal:#E2C47A;--ti:#1F3A5F;--tbg:#FCF8F0;--tln:#e6dcc5;--ts:#F6EEDD;font-family:Rubik,Arial,sans-serif}
.tnv-bar{position:sticky;top:0;z-index:60;min-height:50px;box-sizing:border-box;display:flex;align-items:center;gap:8px;padding:7px 12px;background:var(--tb);color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.18);direction:rtl}
.tnv-bar a{color:#fff;text-decoration:none}
.tnv-burger{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35);border-radius:10px;padding:6px 12px;font:inherit;font-size:16px;font-weight:700;cursor:pointer}
.tnv-burger span{font-size:20px;line-height:1}
.tnv-bname{font-weight:700;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tnv-sp{flex:1}
.tnv-bmap{font-size:15px;opacity:.95;padding:5px 10px;border-radius:999px;white-space:nowrap}
.tnv-bmap:hover{background:rgba(255,255,255,.12)}
.tnv-bx{background:#fff;color:var(--ti)!important;font-weight:700;font-size:15px;padding:6px 12px;border-radius:999px;white-space:nowrap;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.tnv-ov{position:fixed;inset:0;background:rgba(10,20,40,.45);z-index:70;opacity:0;visibility:hidden;transition:opacity .2s}
.tnv-panel{position:fixed;top:0;right:0;bottom:0;width:min(86vw,330px);background:var(--tbg);z-index:80;display:flex;flex-direction:column;direction:rtl;
 transform:translateX(105%);transition:transform .22s ease;box-shadow:-6px 0 24px rgba(0,0,0,.2);border-left:1px solid var(--tln);color:var(--ti);font-size:16px;line-height:1.45}
.tnv-open .tnv-panel{transform:none}.tnv-open .tnv-ov{opacity:1;visibility:visible}
.tnv-ph{display:flex;align-items:center;gap:8px;padding:12px 14px;background:var(--tb);color:#fff}
.tnv-home{flex:1;color:#fff!important;text-decoration:none;font-weight:800;font-size:18px}
.tnv-close{background:none;border:0;color:#fff;font-size:22px;cursor:pointer;padding:2px 6px}
.tnv-sc{overflow-y:auto;flex:1;padding:10px 10px 30px;-webkit-overflow-scrolling:touch}
.tnv-x{display:block;margin:4px 2px 6px;padding:10px 12px;border-radius:12px;background:#fff;border:2px solid var(--ta);color:var(--ti)!important;font-weight:700;text-decoration:none}
.tnv-x:hover{background:var(--ts)}
.tnv-sep{margin:14px 6px 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:.3px;border-bottom:1px solid var(--tln);padding-bottom:3px}
.tnv-panel ul{list-style:none;margin:0;padding:0}
.tnv-panel ul ul{padding-right:14px;border-right:2px solid var(--tln);margin-right:9px}
.tnv-panel li{margin:1px 0}
.tnv-panel details>summary{list-style:none;display:flex;align-items:center;cursor:pointer;border-radius:9px}
.tnv-panel details>summary::-webkit-details-marker{display:none}
.tnv-panel details>summary:before{content:"‹";display:inline-block;width:18px;text-align:center;color:var(--ta);font-weight:800;font-size:18px;transition:transform .15s;flex:none}
.tnv-panel details[open]>summary:before{transform:rotate(-90deg)}
.tnv-panel li>a.tnv-a{margin-right:18px}
.tnv-a,.tnv-g{display:flex;align-items:center;gap:6px;flex:1;padding:6px 8px;border-radius:9px;color:var(--ti)!important;text-decoration:none}
.tnv-g{font-weight:700;color:#4b5563!important;font-size:15px}
.tnv-a:hover{background:var(--ts)}
.tnv-l0>li>a.tnv-a,.tnv-l0>li>details>summary>.tnv-a{font-weight:700;font-size:17px}
.tnv-ic{font-size:18px;width:22px;text-align:center;flex:none}
.tnv-a.ed-r,.tnv-a.ed-s,.tnv-a.topic{font-size:15px;color:#4b5563!important}
.tnv-a.ed-s:before{content:"♿";font-size:13px}
.tnv-a.ed-r:before{content:"●";font-size:9px;color:var(--ta)}
.tnv-here{background:var(--ts)}
.tnv-panel .tnv-a.tnv-cur{background:var(--ta)!important;color:#fff!important;font-weight:700}
.tnv-panel .tnv-a.tnv-cur:before{color:#fff!important}
.tnv-map{margin:8px 0 0!important;border:1px dashed var(--tln)}
.tnv-sm{display:block;margin:4px 8px;font-size:14px;color:#4b5563!important;text-decoration:none}
.tnv-sm:hover{text-decoration:underline}
@media(max-width:560px){.tnv-bmap{font-size:14px;padding:4px 6px}.tnv-bname{font-size:15px}.tnv-bx{font-size:14px;padding:5px 10px}}
@media(max-width:380px){.tnv-bname{display:none}}
@media(min-width:1200px){
 body.tnv-on{padding-right:300px}
 .tnv-panel{transform:none;width:300px;box-shadow:none;z-index:50;top:50px}
 .tnv-ph{display:none}
 .tnv-panel .tnv-close,.tnv-burger,.tnv-ov{display:none}
 .tnv-bar{margin-right:-300px;padding-right:312px}
}
.tnv-on [id]{scroll-margin-top:62px}
/* ☰ stays visible while scrolling (teacher Oct 24 9:33 PM, task 0d4a7841): fixed, solid, shadow; the bar keeps its left side free */
.tnv-burger{position:fixed;top:10px;left:10px;z-index:9000;background:#1d4ed8;color:#fff;border:2px solid #fff;box-shadow:0 3px 12px rgba(0,0,0,.35);min-height:42px}
.tnv-burger:hover,.tnv-burger:focus-visible{background:#1e40af}
.tnv-bar{padding-left:122px}
.tnv-open .tnv-burger{z-index:65}.btns.key .kl::before,.cbtns.key .kl::before{content:"🔑 "}
@media(min-width:1200px){.tnv-bar{padding-left:12px}}
@media print{.tnv-bar,.tnv-panel,.tnv-ov{display:none!important}body.tnv-on{padding:0!important}}
.xs-strip{font-size:15px;line-height:1.3;display:flex;align-items:center;gap:8px;padding:7px 12px;background:#fff;border-bottom:1px solid #e6dcc5;direction:rtl;font-family:Rubik,Arial,sans-serif;box-shadow:0 1px 4px rgba(0,0,0,.05)}.xs-lab{font-size:14px;font-weight:700;color:#6b7280;white-space:nowrap;flex:none}.xs-tabs{display:flex;flex-wrap:wrap;align-items:center;align-content:flex-start;gap:5px;flex:1;padding:1px;font-size:15px;line-height:1.3}.xs-tabs::-webkit-scrollbar{display:none}.xs-t{flex:none;white-space:nowrap;text-decoration:none;color:#1F3A5F!important;font-size:15px;font-weight:700;padding:6px 12px;border-radius:999px;border:1.5px solid #e6dcc5;background:#fff;line-height:1.3}.xs-t:hover{border-color:#B8902F;background:#F6EEDD}.xs-t.xs-cur{background:#B8902F;border-color:#B8902F;color:#fff!important}.xs-t.xs-mapt{border-style:dashed;font-weight:500}.xs-pan{display:flex;flex-direction:column;gap:4px;margin:2px 2px 6px}.xs-pl{display:block;padding:8px 12px;border-radius:12px;background:#fff;border:2px solid #e6dcc5;color:#1F3A5F!important;font-weight:700;text-decoration:none}.xs-pl:hover{border-color:#B8902F;background:#F6EEDD}.xs-pl.xs-cur{border-color:#B8902F;background:#F6EEDD}.xs-pl small{font-weight:400;color:#6b7280}.xs-more{margin:6px 4px 0}.xs-more summary{cursor:pointer;font-size:14px;font-weight:700;color:#4b5563;padding:4px 2px}.xs-pm{display:block;margin:3px 6px;font-size:14px;color:#4b5563!important;text-decoration:none}.xs-pm:hover{text-decoration:underline}.xs-map{margin:18px 0 26px;direction:rtl;font-family:Rubik,Arial,sans-serif}.xs-map h2{margin:0 4px 10px}.xs-map h3{margin:16px 4px 6px;font-size:18px}.xs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.xs-card{background:#fff;border:1px solid #e6dcc5;border-radius:16px;padding:12px 14px;line-height:1.45}.xs-card.xs-cur{border:2px solid #B8902F;background:#F6EEDD}.xs-h{display:block;font-size:20px;font-weight:800;color:#1F3A5F!important;text-decoration:none;margin-bottom:4px}.xs-h:hover{color:#B8902F!important}.xs-note{margin:0 0 6px;font-size:14px;color:#6b7280}.xs-card ul,.xs-morelist{list-style:none;margin:0;padding:0}.xs-card li,.xs-morelist li{margin:3px 0}.xs-card li a,.xs-morelist a{color:#1F3A5F!important;text-decoration:none;font-size:16px}.xs-card li a:before{content:"‹ ";color:#B8902F;font-weight:800}.xs-card li a:hover,.xs-morelist a:hover{text-decoration:underline}.xs-letters{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px;direction:rtl}.xs-letters a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#F6EEDD;border:1px solid #e6dcc5;color:#1F3A5F!important;text-decoration:none;font-size:20px;font-family:"Noto Naskh Arabic",serif}@media(max-width:560px){.xs-strip{align-items:flex-start;padding:6px 8px}.xs-lab{display:none}.xs-tabs{justify-content:center}.xs-t{font-size:14px;padding:5px 10px}}@media print{.xs-strip{display:none!important}}

/*tnk-burger*/.tnv-open .tnv-burger{z-index:65}