:root{--green:#04aa6d;--green-dark:#059862;--green-soft:#d9eee1;--header:#fff;--sub:#282a35;--bg:#f3f4f6;--panel:#fff;--sidebar:#e7e9eb;--text:#1d2a35;--muted:#5a6772;--line:#d4d8dc;--code-bg:#1d2a35;--code-bar:#04aa6d;--shadow:0 10px 30px #0f172a14;--radius:12px;--top:64px;--side:280px;--font:"Source Sans 3", "IBM Plex Sans Arabic", system-ui, sans-serif;--mono:"Source Code Pro", ui-monospace, monospace}[data-theme=dark]{--header:#0f1720;--sub:#111827;--bg:#0b1220;--panel:#121a26;--sidebar:#15202b;--text:#e8eef4;--muted:#9aa8b5;--line:#263241;--green-soft:#123126;--shadow:0 10px 30px #00000059}*{box-sizing:border-box}html,body,#root{min-height:100%}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-theme=dark] html,[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}body{font-family:var(--font);background:var(--bg);color:var(--text);margin:0;line-height:1.65}a{color:var(--green-dark)}[data-theme=dark] a{color:#4ade80}.brand,.brand:hover,[data-theme=dark] .brand{color:var(--text);text-decoration:none}button,select,input{font:inherit}.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.shell{min-height:100vh}.topbar{z-index:40;background:var(--header);border-bottom:1px solid var(--line);position:sticky;top:0}.topbar-inner{min-height:var(--top);align-items:center;gap:12px;padding:8px 16px;display:flex}.brand{color:inherit;align-items:center;gap:10px;min-width:180px;text-decoration:none;display:flex}.brand small{color:var(--muted);font-size:12px;display:block}.brand-mark{background:var(--green);color:#fff;border-radius:10px;place-items:center;width:40px;height:40px;font-weight:700;display:grid}.search-form{flex:1}.search-form input{border:1px solid var(--line);background:var(--bg);width:100%;max-width:520px;color:var(--text);border-radius:999px;padding:10px 16px}.top-actions{align-items:center;gap:8px;display:flex}.top-actions select{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:8px;padding:8px 10px}.icon-btn,.text-btn,.copy-btn,.cta{cursor:pointer;border:0}.icon-btn{background:var(--bg);width:40px;height:40px;color:var(--text);border-radius:10px}.menu-btn{flex-direction:column;justify-content:center;gap:5px;padding:10px;display:none}.menu-btn span{background:currentColor;border-radius:2px;height:2px;display:block}.greenbar{background:var(--green);height:6px}.body{grid-template-columns:var(--side) 1fr;min-height:calc(100vh - var(--top));display:grid}.sidebar{background:var(--sidebar);border-inline-end:1px solid var(--line);top:var(--top);height:calc(100vh - var(--top));scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding:16px 0 48px;position:sticky;overflow:auto}.sidebar-head{justify-content:space-between;padding:8px 16px 12px;display:none}.sidebar h2{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:18px 16px 8px;font-size:13px}.sidebar ul{margin:0;padding:0 8px;list-style:none}.sidebar a{color:inherit;border-radius:8px;padding:8px 12px;text-decoration:none;display:block}.sidebar a:hover,.sidebar a.active{background:var(--green);color:#fff}.backdrop{display:none}.main{min-width:0}.page,.home{max-width:920px;margin:0 auto;padding:28px 28px 80px}.page h1,.hero h1{border-bottom:6px solid var(--green);margin:0 0 12px;padding-bottom:12px;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.2}.lead{color:var(--muted);font-size:1.15rem}.page h2{margin-top:2rem}.lesson-list{padding-inline-start:1.2rem}.lesson-list li{margin:.4rem 0}.toc{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin:20px 0;padding:12px 18px}.toc h2{border:0;margin:0 0 8px;font-size:15px}.toc ol{margin:0}.note{border-radius:var(--radius);background:var(--green-soft);border-inline-start:6px solid var(--green);margin:18px 0;padding:14px 16px}.note.warning{background:#fff4cc;border-inline-start-color:#ffc107}[data-theme=dark] .note.warning{background:#3a3110}.note p{margin:6px 0 0}.table-wrap{margin:16px 0;overflow:auto}table{border-collapse:collapse;background:var(--panel);width:100%}th,td{border:1px solid var(--line);text-align:start;vertical-align:top;padding:10px 12px}th{background:var(--green);color:#fff}.code-wrap{box-shadow:var(--shadow);border-radius:10px;margin:16px 0;overflow:hidden}.code-bar{background:var(--code-bar);color:#fff;text-transform:uppercase;justify-content:space-between;align-items:center;padding:8px 12px;font-size:13px;display:flex}.copy-btn{color:#111;background:#fff;border-radius:6px;padding:4px 10px}pre{background:var(--code-bg);color:#f8fafc;font-family:var(--mono);margin:0;padding:16px;font-size:.92rem;overflow:auto}.pager{grid-template-columns:1fr 1fr;gap:12px;margin-top:40px;display:grid}.pager-link{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);color:inherit;flex-direction:column;gap:4px;padding:14px 16px;text-decoration:none;display:flex}.pager-link.next{text-align:end}.pager-link span{color:var(--muted);font-size:13px}.hero{background:var(--panel);box-shadow:var(--shadow);border-radius:20px;margin-bottom:24px;padding:32px}.eyebrow{color:var(--green-dark);letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px;font-weight:700}.cta{background:var(--green);border-radius:999px;margin-top:12px;padding:12px 18px;font-weight:700;text-decoration:none;display:inline-block;color:#fff!important}.grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;display:grid}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.card h2{margin:0 0 8px;font-size:1.05rem}.card ul{margin:0;padding-inline-start:18px}.card a{text-decoration:none}.footer-note{color:var(--muted);margin-top:28px}.search-results{padding:0;list-style:none}.search-results a{color:inherit;border-bottom:1px solid var(--line);flex-direction:column;gap:4px;padding:12px 0;text-decoration:none;display:flex}.search-results span{color:var(--muted);font-size:.95rem}@media (width<=900px){.body{grid-template-columns:1fr}.menu-btn{display:flex}.sidebar{z-index:50;width:min(86vw,320px);height:100vh;transition:transform .2s;position:fixed;inset:0 auto 0 0;transform:translate(-105%)}[dir=rtl] .sidebar{inset:0 0 0 auto;transform:translate(105%)}.sidebar.open{transform:translate(0)}.sidebar-head{display:flex}.backdrop.show{z-index:45;background:#00000073;display:block;position:fixed;inset:0}.brand small{display:none}.page,.home{padding:20px 16px 72px}.pager{grid-template-columns:1fr}.pager-link.next{text-align:start}}