/* MABNI 3.9: one work area; window focus controls stacking, never window size. */
.window-layer{z-index:20!important;inset:0 0 var(--taskbar-h) 0!important}
.app-window{min-width:min(360px,100%);min-height:min(250px,100%);isolation:isolate}
.app-window.maximized,.compact-screen .app-window.maximized{inset:0!important;width:100%!important;height:100%!important;max-width:100%!important;max-height:100%!important;border-radius:0!important}
.app-window .window-titlebar{flex:0 0 46px;box-sizing:border-box}
.app-window .window-body,.app-window.maximized .window-body{flex:1 1 0;min-height:0;height:auto;max-height:none}
.app-window.maximized .window-body iframe{height:100%!important;min-height:0}
.window-controls button{border-radius:5px;min-width:36px}
.window-controls button:last-child:hover{background:#c84154;color:white}
.mabni-icon{flex-shrink:0;vertical-align:middle}
#taskButtons button,#networkButton,.tab-label{display:flex;align-items:center;gap:7px}
.browser-shell-v39{height:100%;display:flex;flex-direction:column;background:#fff;color:#243650}
.browser-shell-v39 .browser-tabs{flex-shrink:0;background:#eaf0f4;gap:4px;padding:6px 6px 0;overflow-x:auto}
.browser-shell-v39 .browser-tab{min-width:120px;max-width:210px;border-radius:9px 9px 0 0;display:flex}
.browser-shell-v39 .tab-label{min-width:0;flex:1;padding:8px;color:#243650}
.browser-shell-v39 .tab-label span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.browser-shell-v39 .browser-tab.active{background:white}
.browser-shell-v39 .browser-toolbar{flex-wrap:nowrap;gap:4px;background:white;border-bottom:1px solid #e0e8ec;padding:8px}
.browser-shell-v39 .browser-toolbar button{display:grid;place-items:center;min-width:32px;padding:7px;background:transparent;color:#304b62;border:0;box-shadow:none}
.browser-shell-v39 .browser-toolbar button:disabled{opacity:.3;cursor:default}
.browser-shell-v39 .address{flex:1;min-width:40px;background:#f0f5f6;color:#23384f;border:1px solid #dce7e9;border-radius:20px;padding:8px 14px;font-size:13px}
.browser-shell-v39 .browser-page{flex:1;min-height:0;overflow:auto;padding:0;background:#fff;color:#243650}
.browser-shell-v39 .browser-teacher-strip{flex-shrink:0;gap:9px;padding:7px 14px;background:#f2f7f7;color:#526777;font-size:11px;justify-content:flex-start}
.practice-pill{color:#006f70;background:#dbefea;padding:3px 6px;border-radius:4px;font-weight:700;white-space:nowrap}
.mabni-browser-home{padding:clamp(28px,5vw,60px) 24px;text-align:center;max-width:720px;margin:auto;background:radial-gradient(ellipse at top,#eaf9f3,transparent 65%)}
.browser-eyebrow{font-size:11px;letter-spacing:2px;font-weight:800;color:#497a79}
.mabni-browser-home h1{font-size:clamp(28px,4vw,46px);line-height:1.12;letter-spacing:-1.5px;margin:17px 0 28px;color:#1d3549}
.mabni-browser-home h1 em{font-style:normal;color:#008478}
.mabni-search{display:flex;border:1px solid #cbdcdd;background:white;box-shadow:0 5px 18px #194c4f0a;border-radius:14px;padding:6px;gap:6px}
.mabni-search input{border:0;background:transparent;color:#263e50;min-width:0;flex:1;padding:8px 10px;outline-offset:0}
.browser-shell-v39 button.primary{background:#008478;border:0;border-radius:8px;color:white;box-shadow:none;padding:10px 16px}
.browser-shortcuts{display:flex;justify-content:center;gap:12px;margin:32px 0 0;flex-wrap:wrap}
.browser-shortcuts button{display:flex;align-items:center;gap:10px;border:1px solid #e0e9ed;background:white;color:#274d61;padding:14px;border-radius:12px}
.mabni-results,.mabni-article{max-width:750px;margin:auto;padding:28px}
.mabni-results .mabni-search{margin-top:12px}.mabni-results article{margin:28px 0}.mabni-results h2{font-size:21px;margin:5px 0}.mabni-results a{color:#007c76;text-decoration:none}.mabni-results a:hover{text-decoration:underline}.mabni-results p{line-height:1.7;margin:8px 0}.mabni-results small,.muted{color:#677d87}
.mabni-article h1{font-size:38px;margin:24px 0}.mabni-article>p{font-size:19px;line-height:1.85}.mabni-article footer{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:28px 0}.mabni-article aside{border-left:3px solid #f0b94a;padding:16px;background:#fff9eb;line-height:1.6}
.browser-empty{text-align:center;max-width:550px;margin:30px auto;padding:24px;line-height:1.7}.browser-empty>.mabni-icon{width:54px;height:54px;color:#438f97}.browser-empty h1{font-size:28px;color:#243650}.browser-empty button{margin:5px}
.wifi-panel-v39{position:fixed!important;right:14px!important;bottom:calc(var(--taskbar-h) + 10px)!important;width:min(370px,calc(100vw - 28px))!important;max-height:calc(100dvh - var(--taskbar-h) - 30px);overflow:auto;z-index:5000!important;background:#f9fbfd!important;color:#243b50!important;border:1px solid #d0dce4!important;border-radius:12px!important;box-shadow:0 14px 60px #122d4d44!important;padding:0!important;font:14px system-ui}
.wifi-panel-v39 header{display:flex;align-items:center;justify-content:space-between;padding:16px!important;border-bottom:1px solid #e0e8ee}.wifi-panel-v39 header b{display:flex;align-items:center;gap:12px}.wifi-panel-v39 button{border:1px solid #cddbe5;background:white;color:#243b50;border-radius:6px;padding:9px 15px;font:inherit;box-shadow:none;cursor:pointer}.wifi-panel-v39 button.primary{background:#087d85;color:white;border-color:#087d85}.wifi-panel-v39 button:focus-visible{outline:3px solid #48b8cd;outline-offset:2px}.wifi-panel-v39 small{display:block;font-size:12px;font-weight:400;margin-top:4px;color:#637786}
.wifi-setting{display:flex;align-items:center;justify-content:space-between;padding:18px}.wifi-panel-v39 .wifi-switch{border:0;border-radius:20px;background:#99a8b5;width:44px;height:24px;padding:3px;display:flex}.wifi-panel-v39 .wifi-switch i{width:18px;height:18px;background:white;border-radius:50%;display:block}.wifi-panel-v39 .wifi-switch.on{background:#078a86;justify-content:flex-end}
.wifi-network{border-top:1px solid #e5ebef}.wifi-network.selected{background:#eaf3f6}.wifi-panel-v39 .wifi-network-name{display:flex;align-items:center;gap:13px;background:transparent;width:100%;padding:16px 18px;border:0;text-align:left}.wifi-network-name span{flex:1}.wifi-network-name>.mabni-icon:last-child{width:16px}.wifi-network-detail{padding:0 18px 18px 53px}.wifi-network-detail>button{display:block;margin:14px 0 0 auto}.wifi-network-detail form>label:first-child{display:block}.wifi-network-detail input[name=key]{display:block;width:100%;margin:10px 0;border:1px solid #a8bcc8;border-radius:5px;padding:10px;background:white;color:#193548}.wifi-check{display:flex;align-items:center;gap:8px;font-size:12px}.wifi-check input{width:16px;height:16px}.wifi-network-detail form>div{display:flex;justify-content:flex-end;gap:8px}.wifi-practice-key{font-size:12px}.wifi-error{font-size:12px;color:#b82940}.wifi-panel-v39 footer{padding:15px 18px;background:#eaf0f4;font-size:11px;line-height:1.6;color:#5b7382}.wifi-off-copy{padding:10px 18px 30px}
@media(prefers-reduced-motion:reduce){.app-window,.wifi-panel-v39{animation:none!important;transition:none!important}}

.desktop-icon .desktop-symbol{display:grid!important;place-items:center;width:58px!important;height:58px!important;border-radius:16px!important;background:#e3f4f1!important;color:#267f89!important;box-shadow:0 6px 16px #173e451a!important}.desktop-symbol .mabni-icon{width:33px;height:33px;filter:none}.desktop-icon .browser-symbol{background:#dcecfb!important;color:#367cb0!important}.desktop-icon .creaturepanic-symbol{background:#f5e5b8!important;color:#8c7541!important}.desktop-icon .writer-symbol{background:#dce8fc!important;color:#416fb0!important}.desktop-icon .practicefolder-symbol{background:#e9e1fa!important;color:#7d62b0!important}#startMenu [data-open-app]{display:flex;align-items:center;gap:12px}
.browser-shell-v39,.browser-shell-v39 *{font-family:system-ui,-apple-system,Segoe UI,sans-serif!important}
.browser-shell-v39 .browser-tabs{min-height:42px;overflow-y:hidden!important;scrollbar-width:thin}
.browser-shell-v39 .browser-toolbar{overflow:hidden!important;flex-shrink:0}
.browser-shell-v39 .topic-chips button{font-size:12px;font-weight:600}
.mission-tabs{flex-wrap:wrap!important;gap:4px!important;overflow:visible!important}
.mission-tabs button{min-width:0!important;flex:1 0 42px!important;padding:7px 5px!important;font:600 11px system-ui!important}
.python-editor-v35{height:100%;min-height:0;display:flex;flex-direction:column;background:#102031;color:#e2edf3;font-family:system-ui,sans-serif}
.python-editor-v35 header{display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap;padding:18px 22px;flex-shrink:0;background:#192c3c;border-bottom:1px solid #314554}
.python-editor-v35 header h2{font:700 23px system-ui;margin:6px 0}.python-editor-v35 header p{font:400 12px/1.6 system-ui;margin:0;color:#adbfcc}
.python-editor-v35 header .eyebrow{font:600 9px system-ui;letter-spacing:1.5px;color:#79c5b8}
.python-editor-v35 header>div:last-child{display:flex;gap:6px;flex-wrap:wrap}
.python-editor-v35 header button{font:600 12px system-ui;padding:10px 12px;background:#2b4254;color:#dce8ee;border:1px solid #3c5567;border-radius:7px;box-shadow:none}
.python-editor-v35 header button.primary{background:#19866d;border-color:#219c80;color:white}
.python-editor-v35 .python-main-v35{display:grid;grid-template-columns:1fr 1fr;flex:1;min-height:160px;overflow:hidden}
.python-editor-v35 .python-code-wrap-v35{display:flex;min-height:0;min-width:0;background:#102031}
.python-editor-v35 .python-lines-v35{display:flex;flex-direction:column;padding:18px 10px;color:#627c8f;font:14px/1.6 monospace;background:#102031}
.python-editor-v35 textarea{resize:none;flex:1;width:100%;height:100%;padding:18px 12px;border:0;border-radius:0;background:#102031;color:#e1eaf0;font:14px/1.6 monospace;outline-offset:-3px}
.python-editor-v35 .python-output-v35{margin:0;overflow:auto;padding:18px;border-left:1px solid #314554;background:#0c1825;color:#9ad5b6;font:14px/1.6 monospace;white-space:pre-wrap}
.python-editor-v35 footer{display:flex;justify-content:space-between;gap:15px;padding:10px 18px;background:#192c3c;color:#8fa7b8;font:400 10px/1.5 system-ui}
.python-editor-v35 .python-error-card-v35{padding:12px 20px;margin:0;background:#3d2830;color:#efbac6;font:400 12px/1.5 system-ui;border:0;border-radius:0}
.python-editor-v35 .python-error-card-v35 p{font:400 12px/1.5 system-ui}.python-editor-v35 .python-error-card-v35 b{font-weight:650}

/* Original Mabni illustrated desktop assets. */
.desktop-icon .desktop-art{width:69px;height:74px;object-fit:contain;filter:drop-shadow(0 4px 6px #122b3822);pointer-events:none}.desktop-icon b{line-height:1.2;text-shadow:0 1px 3px #08283099}.desktop-icon{gap:2px}.os-home-link{width:39px;height:39px;border-radius:10px;display:grid;place-items:center;background:#fff;margin-right:3px;flex:none}.os-home-link img{width:29px;height:29px;object-fit:contain}.boot-card .brand-mark{text-decoration:none;color:inherit}.start-button svg{vertical-align:middle;margin-right:6px}

/* Fluent-style artwork fits the established desktop grid. */
.mabni-app-icon{object-fit:contain;vertical-align:middle;flex-shrink:0}.file-fluent-icon{object-fit:contain;display:inline-block;vertical-align:middle}.file-icon .mabni-app-icon,.icon-main .mabni-app-icon{width:44px;height:44px}.mail-attachment svg{width:16px;height:16px;flex-shrink:0}
.desktop-icon{height:100px;min-height:100px;padding:5px 4px;overflow:hidden}.desktop-icon .desktop-art{display:block;width:60px;height:60px;margin:0 auto 2px}.desktop-icon b{font-size:11.5px;line-height:13px;max-height:26px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.desktop-icon .icon-level{display:none}#desktop:not(.dark-mode) .desktop-icon b{color:#163e47;text-shadow:none}

/* Readable practice groups and two-row Explorer controls on classroom screens. */
.mission-tabs{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px!important}.mission-tabs button{white-space:normal!important;padding:8px 6px!important;min-width:0!important;line-height:1.35!important}
.explorer-shell .explorer-address-bar{flex-wrap:nowrap;overflow:hidden;flex-shrink:0}.explorer-address-bar .breadcrumbs{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.explorer-shell .explorer-command-bar{flex-wrap:wrap;overflow:visible;gap:6px;flex-shrink:0;border-bottom:1px solid var(--stroke)}.explorer-command-bar button{font-size:12px;padding:8px 10px}