.wk-lab-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.wk-lab-heading h1{font-size:30px;line-height:1.25;margin:10px 0 0;color:#203f36}.wk-lab-heading .wk-eyebrow{margin-top:18px}.wk-lab-heading-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.wk-lab-layout{display:grid;grid-template-columns:minmax(280px,32%) minmax(0,1fr);gap:22px;align-items:start}.wk-lab-book{background:#fff;border:1px solid #dce4d7;border-radius:15px;overflow:hidden}.wk-lab-book-tabs{display:flex;border-bottom:1px solid #dce4d7;background:#f4f7ef}.wk-lab-book-tabs button{flex:1;border:0;background:transparent;padding:17px;font:600 13px inherit;color:#6c7c64;cursor:pointer}.wk-lab-book-tabs button[aria-selected=true]{color:#203f36;box-shadow:inset 0 -3px #668f42;background:#fff}.wk-lab-book section{padding:22px;max-height:950px;overflow:auto}.wk-lab-guide{font-size:14px;line-height:1.85;color:#435d4e}.wk-lab-steps{padding:0;list-style:none;margin:22px 0}.wk-lab-steps>li{display:flex;gap:12px;border-top:1px solid #e7ece2;padding:17px 0}.wk-lab-step-number{display:grid;place-items:center;flex:none;width:25px;height:25px;font-size:11px;border:1px solid #d2ddc8;border-radius:50%;color:#668251;background:#f6f8f1}.wk-lab-steps strong{font-size:13px;font-weight:550;line-height:1.75;display:block}.wk-lab-check-message{display:block;font-size:11px;color:#8a927f;line-height:1.6;margin-top:8px}.wk-lab-steps .pass .wk-lab-step-number{background:#d9edc4;border-color:#8bab6c}.wk-lab-steps .pass .wk-lab-check-message{color:#376c31}.wk-lab-steps .fail .wk-lab-check-message{color:#ac462f}.wk-lab-check-detail{white-space:pre-wrap;word-break:break-word;font:11px/1.7 Consolas,monospace;background:#fff5ec;border-radius:7px;padding:10px;color:#894c30}.wk-lab-help{display:flex;gap:8px;flex-wrap:wrap}.wk-lab-help .btn{font-size:11px;padding:9px 12px}.wk-lab-extension{margin-top:22px;font-size:12px;color:#687c59}.wk-lab-extension summary{cursor:pointer;font-weight:600}.wk-lab-extension p{line-height:1.8}.wk-lab-extension small{display:block;color:#88957f}.wk-lab-book #lab-theory{font-size:14px;line-height:1.85}.wk-lab-book #lab-theory h3{font-size:17px;margin-top:25px}.wk-lab-book pre{font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.wk-lab-workbench{min-width:0}.wk-lab-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#eaf0e1;padding:13px 15px;border:1px solid #d6e0cc;border-radius:13px 13px 0 0}.wk-lab-toolbar>div{display:flex;gap:8px;flex-wrap:wrap}.wk-lab-toolbar .btn{font-size:12px;padding:11px 14px}.wk-lab-toolbar #lab-save{font-size:10px;color:#74816c;max-width:160px;line-height:1.6}.wk-lab-panes{display:grid;grid-template-columns:minmax(0,1fr);border:1px solid #d6e0cc;border-top:0;background:#fff}.wk-lab-code,.wk-lab-output{min-width:0}.wk-lab-filebar{display:flex;align-items:stretch;background:#f3f6ee;border-bottom:1px solid #dde5d5}.wk-lab-filebar #lab-files{display:flex;overflow:auto;flex:1}.wk-lab-filebar button{background:transparent;border:0;padding:12px 14px;font:12px Consolas,monospace;white-space:nowrap;color:#6b7b63;cursor:pointer}.wk-lab-filebar button[aria-selected=true]{background:#fff;box-shadow:inset 0 -2px #7e9c57;color:#244c3e}.wk-lab-code .CodeMirror{height:320px;font:13px/1.75 Consolas,monospace;background:#fff}.wk-lab-code .CodeMirror-gutters{background:#f8faf5;border-right:1px solid #edf1e7}.wk-lab-code .CodeMirror-linenumber{color:#a4ae97}.wk-lab-code-footer{display:flex;justify-content:space-between;padding:7px 12px;background:#f8faf5;border-top:1px solid #edf1e7;font:10px Consolas,monospace;color:#87937a;gap:10px}.wk-lab-resultbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 13px;border-block:1px solid #dce4d4;background:#f3f6ee;font-size:12px}.wk-lab-resultbar>div{display:flex;gap:6px}.wk-lab-resultbar button,.wk-lab-console button{border:1px solid #d6dfca;border-radius:6px;background:#fff;padding:5px 8px;font-size:10px;color:#627551;cursor:pointer}.wk-lab-resultbar button[aria-pressed=true]{background:#e2ebd7}.wk-lab-status{font-size:11px;color:#688158;padding:10px 13px;border-bottom:1px solid #edf1e7;background:#fafcf7;line-height:1.65}.wk-lab-frame{display:block;border:0;width:100%;height:340px;background:#fff}.wk-lab-frame[hidden]{display:none}.wk-lab-output #lab-preview{overflow:auto;background:#e7ece2;min-height:0}.wk-lab-output #lab-preview.mobile .wk-lab-frame{width:375px;max-width:100%;margin:auto}.wk-lab-empty{min-height:190px;padding:25px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#6c805d;text-align:center;background:#f8faf5}.wk-lab-empty>span{font:30px Consolas,monospace;color:#8ea371}.wk-lab-empty strong{font-size:14px}.wk-lab-empty p{font-size:12px;max-width:340px;margin:0;line-height:1.8}.wk-lab-console{border:1px solid #d6dfca;border-top:0;background:#20342d;border-radius:0 0 12px 12px;overflow:hidden}.wk-lab-console>div{display:flex;align-items:center;justify-content:space-between;padding:11px 15px;color:#dbe8ce;background:#2a4034;font-size:11px}.wk-lab-console button{background:transparent;color:#c3d2b6;border-color:#54664c}.wk-lab-console pre{margin:0;padding:14px 16px;min-height:90px;max-height:220px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.8 Consolas,monospace;color:#d4e3c6}.wk-log-error{color:#ffb2a6}.wk-log-warn{color:#f2d29b}.wk-lab-bottom{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-top:14px}.wk-lab-bottom>div{display:flex;gap:8px;flex-wrap:wrap}.wk-lab-bottom .btn{font-size:11px;padding:8px 11px}.wk-lab-bottom>span{font-size:10px;max-width:230px;line-height:1.7}.wk-lab-finish{background:#e4efd9;border:1px solid #b5cb9c;padding:22px;border-radius:12px;margin-top:20px;color:#2e5738}.wk-lab-finish p{font-size:13px;line-height:1.8}.wk-lab-finish .btn{margin-top:8px}.wk-lab-sql-table{padding:14px;font-size:11px;overflow:auto}.wk-lab-sql-table table{width:100%;border-collapse:collapse;margin-top:10px;font-family:Consolas,monospace}.wk-lab-sql-table th,.wk-lab-sql-table td{border:1px solid #dce4d4;padding:9px;text-align:left;white-space:nowrap}.wk-lab-sql-table th{background:#f0f5e8}#lab-request{display:grid;grid-template-columns:90px minmax(0,1fr);gap:10px;padding:16px}#lab-request[hidden]{display:none}#lab-request label{font-size:10px;margin:0}#lab-request input,#lab-request select,#lab-request textarea{font:12px Consolas,monospace;min-height:34px}.wk-lab-request-body,#lab-response{grid-column:1/-1}#lab-response{white-space:pre-wrap;word-break:break-word;max-height:240px;overflow:auto;font:12px/1.7 Consolas,monospace}#lab-request button{align-self:end;width:max-content;font-size:11px}.wk-lab-restore{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fff3d6;border:1px solid #e2c982;border-radius:10px;margin-bottom:20px;font-size:12px}.wk-lab-restore[hidden]{display:none}.wk-lab-book section[hidden],.wk-lab-finish[hidden]{display:none}
.portal.wk-lab-focus .sidebar,.portal.wk-lab-focus .topbar,.portal.wk-lab-focus .site-footer{display:none}.portal.wk-lab-focus .workspace{margin-left:0}.portal.wk-lab-focus .container{max-width:none;padding:24px}.wk-lab-focus .wk-header{margin-bottom:20px;padding-bottom:16px}.wk-lab-focus .wk-lab-heading{margin-bottom:20px}
@media(min-width:1700px){.wk-lab-panes{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.wk-lab-code{border-right:1px solid #dce4d4}.wk-lab-code .CodeMirror{height:490px}.wk-lab-frame{height:470px}}
@media(min-width:1150px){.wk-lab-focus .wk-lab-layout{grid-template-columns:300px minmax(0,1fr)}.wk-lab-focus .wk-lab-panes{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.wk-lab-focus .wk-lab-code{border-right:1px solid #dce4d4}.wk-lab-focus .wk-lab-code .CodeMirror{height:450px}.wk-lab-focus .wk-lab-frame{height:430px}}
@media(max-width:1100px){.wk-lab-layout{grid-template-columns:minmax(250px,34%) minmax(0,1fr);gap:15px}.wk-lab-book section{padding:18px}.wk-lab-toolbar{flex-wrap:wrap}.wk-lab-toolbar #lab-save{max-width:none}.wk-lab-heading h1{font-size:25px}}
@media(max-width:800px){.wk-lab-layout{grid-template-columns:1fr}.wk-lab-book section{max-height:none}.wk-lab-heading{align-items:flex-start;flex-direction:column;gap:12px}.wk-lab-heading-actions{justify-content:space-between;width:100%}.wk-lab-steps{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.wk-lab-guide{font-size:13px}.wk-lab-bottom{flex-direction:column;align-items:flex-start;gap:8px}.wk-lab-bottom>span{max-width:none}.wk-lab-restore{flex-wrap:wrap}}
@media(max-width:500px){.wk-lab-steps{grid-template-columns:1fr}.wk-lab-heading h1{font-size:24px}.wk-lab-toolbar{padding:10px}.wk-lab-toolbar .btn{font-size:11px;padding:9px 11px}.wk-lab-filebar button{padding:11px;font-size:11px}.wk-lab-code .CodeMirror{height:300px;font-size:12px}.wk-lab-code-footer>span:last-child{display:none}.wk-lab-resultbar{flex-wrap:wrap}.wk-lab-frame{height:320px}.wk-lab-book-tabs button{padding:14px}.wk-lab-heading-actions .wk-tag{font-size:10px}.wk-lab-steps strong{font-size:12px}}
/* Python shares the workbench, with explicit stdin and text/file output. */
.python-stdin{display:flex;flex-direction:column;gap:6px;padding:14px 18px;background:#f3f7f4;border-bottom:1px solid #dae4dc;font-size:13px;font-weight:600}
.python-stdin textarea{font:14px/1.5 monospace;border:1px solid #cbd9d0;border-radius:8px;padding:8px;resize:vertical;min-height:62px;background:#fff;color:#173b2d}
.python-stdin small{font-weight:400;color:#587066;line-height:1.5}
.python-result{padding:20px;min-height:180px;color:#183a30}
.python-result pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.65 ui-monospace,Consolas,monospace}
.python-result details{margin-top:15px;border-top:1px solid #dde5de;padding-top:10px}
.webkit-page #lab-console{background:#20342d!important;color:#e3efdc;border:0!important;border-radius:0}

.python-stdin[hidden]{display:none}.python-case{font-size:12px;margin-top:6px}.python-case pre{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.5 monospace;background:#edf3ef;padding:8px;border-radius:6px}
.wk-lab-assessment{margin:28px 0;padding:28px;border:1px solid #d9e4dc;border-radius:18px;background:#fff;scroll-margin-top:24px}
.wk-lab-assessment h2{margin:6px 0 12px}.wk-lab-assessment>p{max-width:850px;line-height:1.65}
.wk-lab-assessment form{display:grid;gap:20px;margin:22px 0}.wk-lab-assessment label{display:grid;gap:8px}
.wk-lab-assessment textarea{width:100%;box-sizing:border-box;resize:vertical;min-height:96px;padding:12px;font:inherit;line-height:1.6;border:1px solid #becfc3;border-radius:10px;background:#fafcfb}
.wk-lab-submit-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.wk-review-ack{display:flex!important;align-items:center;gap:10px;padding:16px;background:#f1f6ee;border-radius:10px}
.wk-review-ack input{width:20px!important;flex:0 0 20px}
@media(max-width:650px){.wk-lab-assessment{padding:18px}.wk-lab-submit-actions .btn{width:100%}}