/* Reading, answering and operating are visually separate tasks. */
.source-example{border:1px solid #363636;border-radius:14px;overflow:hidden;margin-block:24px;max-width:100%}.source-example .code-toolbar{background:#161616;padding:9px 16px;display:flex;justify-content:space-between;align-items:center;color:#aaa;font-size:12px}.source-example .code-toolbar button{border:1px solid #555;border-radius:8px;background:transparent;color:#eee;padding:6px 12px;cursor:pointer}.source-example .source-code{margin:0!important;border:0!important;border-radius:0!important;line-height:1.7}
.knowledge-check-section{border:1px solid #303030!important;border-radius:22px!important;background:rgba(255,255,255,.018)!important;padding:clamp(22px,4vw,42px)!important;margin-block:48px!important}
.knowledge-check-head{padding-bottom:24px;border-bottom:1px solid #2b2b2b;margin-bottom:8px}
.knowledge-check-head h2{font-size:clamp(22px,3vw,29px);margin-block:12px;line-height:1.6}
.knowledge-check-head p{color:#aaa;line-height:1.9}
.knowledge-check-item{background:transparent!important;border:0!important;border-bottom:1px solid #292929!important;border-radius:0!important;padding:26px 0!important;margin:0!important}
.knowledge-check-item label{display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px 14px;align-items:start}
.knowledge-check-item label>span:first-child{font:12px system-ui;color:#999;border:1px solid #444;border-radius:50%;width:30px;height:30px;display:grid;place-items:center;background:none!important}
.knowledge-check-item label>b{font-size:17px;line-height:1.9;font-weight:600}
.knowledge-check-item .answer-input-wrap,.knowledge-check-item label>small{grid-column:2;min-width:0}
.knowledge-check-item input{background:#101010!important;border:1px solid #4a4a4a!important;border-radius:12px!important;min-height:52px;padding:12px 16px!important;font:inherit;width:100%;box-sizing:border-box}
.knowledge-check-item input:focus{outline:2px solid #eee;outline-offset:3px}
.knowledge-check-section form>.btn{margin-top:24px;min-height:48px;border-radius:12px}
#app .learning-guidance .guidance-actions{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap}
#app .learning-guidance .guidance-actions button{font-size:13px!important;line-height:1.6!important;min-height:42px!important;padding:9px 14px!important;border-radius:10px!important;flex:1;white-space:normal}
.knowledge-check-status:empty,.flag-status:empty{display:none}
.guided-lab{border:1px solid #333!important;border-radius:22px!important;background:transparent!important;padding:clamp(20px,3vw,36px)!important;margin-block:48px}
.guided-lab>.source-instructions{white-space:pre-line;line-height:2;color:#d2d2d2;padding:0 0 24px!important;border:0!important;background:none!important}
.lab-stack{display:flex!important;flex-direction:column;gap:18px}
.machine-card,.target-panel{border:1px solid #363636!important;border-radius:18px!important;padding:clamp(18px,3vw,28px)!important;background:rgba(255,255,255,.018)!important}
.target-panel[hidden]{display:none!important}
.machine-heading{align-items:flex-start;gap:14px}.machine-heading h3{margin-block:4px 8px;font-size:22px}.machine-heading p{font-size:14px;line-height:1.8;color:#aaa;max-width:55ch}
.machine-state{white-space:nowrap;font-size:12px;padding:5px 10px;border:1px solid #3b3b3b;border-radius:30px;color:#ddd;margin-inline-start:auto}
.workstation-monitor{border-color:#3b3b3b;margin-block:20px 0}.monitor-preview{min-height:215px;background:radial-gradient(ellipse at center,#1a1a1a,transparent 70%)}
.local-practice .monitor-preview p{display:none}
.machine-controls{margin-top:16px}.target-address{background:#0b0b0b!important;border:1px solid #303030;border-radius:12px;padding:18px!important;line-height:1.9}
.machine-card:has(.workstation-drawer:not([hidden]))>.machine-actions .machine-controls>a{display:none}
.workstation-drawer>header{background:#101010!important;border-bottom:1px solid #333;gap:16px}
.workstation-drawer>header>div:last-child{display:flex;gap:8px;align-items:center}
.target-address code{display:block;direction:ltr;text-align:left;font-size:15px;padding-block:8px;overflow-wrap:anywhere}
.lesson-flag-form{margin-top:28px;padding-top:24px;border-top:1px solid #333}.lesson-flag-form label{display:block;font-weight:600;margin-bottom:12px}.lesson-flag-form input{border:1px solid #4a4a4a!important;border-radius:12px!important;min-width:0}.lesson-flag-form .btn{border-radius:12px!important}
@media(max-width:600px){.knowledge-check-item label{grid-template-columns:28px minmax(0,1fr);gap:8px}.knowledge-check-item .answer-input-wrap{grid-column:1/-1}.machine-heading{flex-wrap:wrap}.machine-heading>div{flex:1;min-width:180px}.machine-state{margin-inline-start:0}.lesson-flag-form>div{display:flex;flex-direction:column;gap:10px}.workstation-drawer header{flex-wrap:wrap}.workstation-drawer header>div:last-child{flex-wrap:wrap}}
.lesson-image-sources{margin-block:36px 12px;border-block-start:1px solid #343434;padding-block-start:16px;color:var(--dim,#aaa);font-size:.85rem;line-height:1.8;overflow-wrap:anywhere}
.lesson-image-sources>summary{width:fit-content;max-width:100%;padding:8px 2px;cursor:pointer;color:var(--text,#eee);font-weight:600;list-style-position:inside;border-radius:6px}
.lesson-image-sources>summary:focus-visible{outline:2px solid #eee;outline-offset:4px}
.lesson-image-sources>ul{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:16px}
.lesson-image-sources li{padding-inline-start:16px;border-inline-start:2px solid #3b3b3b;min-width:0}
.source-lesson .lesson-image-sources p{margin:0;font-size:inherit;line-height:inherit}
.lesson-image-sources .lesson-image-source-title{font-weight:600;color:var(--text,#eee)}
.lesson-image-sources a{color:inherit;text-decoration:underline;text-underline-offset:3px}
.lesson-image-sources .lesson-image-source-changes{font-size:.95em}
.lesson-inline-code{display:inline;direction:ltr;unicode-bidi:isolate;font-size:.9em;color:inherit;background:rgba(255,255,255,.07);padding:.12em .35em;border-radius:5px;overflow-wrap:anywhere}