body{background:#edf3f7;color:#182c3b;font-size:17px;margin:0}header{padding:1.2rem 4%;background:#104e62;color:white}header h1{font-size:1.65rem}main{max-width:1150px;margin:auto;padding:1rem}button,.button{display:inline-block;padding:.75rem 1rem;min-height:44px;margin:.25rem;border:1px solid #94adba;border-radius:10px;background:#e0eff4;color:#173f50;font:inherit;cursor:pointer;text-decoration:none}button:hover{background:#c2e0eb}button:disabled{opacity:.55;cursor:wait}section{padding:1rem;border-radius:15px;background:white;margin-bottom:1rem}#navigation{display:flex;gap:.25rem;overflow-x:auto;flex-wrap:wrap;position:sticky;top:0;background:#f4f8fa;z-index:10;border-bottom:2px solid #d9e4ed}#navigation button[aria-current]{background:#15657a;color:white}#notice{padding:.8rem;color:#874100;white-space:pre-line}input,select,textarea{font:inherit;font-size:16px;padding:.6rem;border:1px solid #9eb6c3;border-radius:8px;max-width:100%;box-sizing:border-box}textarea{display:block;width:100%;min-height:90px}label{display:block;margin:.6rem 0}details{margin:.8rem 0;padding:.75rem;border:1px solid #d1dfe7;border-radius:10px}summary{cursor:pointer;min-height:30px;font-weight:600}#content img{max-width:100%;height:auto}#watermark{position:static;font-size:13px;line-height:1.8;text-align:center;color:#5a778b;opacity:.75;padding:1rem;user-select:none;-webkit-user-select:none;pointer-events:none;animation:none;transition:none;transform:none}.tablewrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:.6rem;text-align:right;border-bottom:1px solid #dce6ec;vertical-align:top;overflow-wrap:anywhere}td{max-width:300px}pre{white-space:pre-wrap;overflow-wrap:anywhere}.card{margin:1rem 0;padding:1rem;border:1px solid #d2e0e6;border-radius:12px}#account button{background:#fff;color:#194858}.reader-student #content{user-select:none;-webkit-user-select:none}.reader-student textarea,.reader-student input{user-select:text;-webkit-user-select:text}.small{font-size:.875rem}#content [lang=en]{direction:ltr;text-align:left}#navigation::-webkit-scrollbar{height:8px}.danger{color:#9d2435}#management h2{color:#175c78}@media(max-width:650px){main{padding:.4rem}#navigation{flex-wrap:nowrap}#navigation button{white-space:nowrap}header{padding:1rem}section{padding:.65rem}table{font-size:14px}}@media print{body.reader-student #content{display:none}body.reader-student:after{content:'المحتوى مخصص للقراءة داخل الحساب';display:block}#navigation,#tools,#account,button{display:none}}
#content input[type=password]{width:min(100%,28rem);direction:ltr;letter-spacing:.06em}#account{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem}.payment-account{overflow-wrap:anywhere;padding:1rem;background:#edf6f7;border-radius:12px}#content>h2{color:#104e62}#watermark a{pointer-events:auto}@media(max-width:650px){header h1{font-size:1.35rem}#account button{font-size:14px;padding:.65rem}#content .card{padding:.65rem}#content input{max-width:100%}}
.learning-hero{padding:1.4rem;background:linear-gradient(120deg,#104e62,#176c75);color:white;border-radius:18px;margin:1rem 0}.learning-hero progress{display:block;width:100%;height:16px;margin-top:1rem;accent-color:#f2c675}.learning-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem}.learning-actions button{padding:1.1rem;margin:0;text-align:right}.learning-actions button:first-child{background:#176c75;color:white}.learning-actions button:nth-child(2){background:#fff0d6}#content>p{line-height:1.9}@media(max-width:550px){.learning-actions{grid-template-columns:1fr}.learning-hero{padding:1rem}}

#unit-catalog{display:flex;flex-wrap:wrap;gap:.5rem;margin-block:1rem}#unit-catalog a{font-size:.9rem}#unit-catalog a:first-child{background:#17654f;color:white}aside{padding:1.2rem;margin-block:1.5rem;border-radius:12px;background:#eaf4f7}