.lab-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}.lab-tools{min-width:0}.lab-tools-nav>.lab-quiet{margin-bottom:16px}.lab-tools .lab-tabs button{padding:16px 14px;min-height:58px}.lab-tools .lab-panel-heading{grid-template-columns:1fr;gap:16px}.lab-tools .lab-panel-heading>p{max-width:650px}.lab-tools .solution-workbench{grid-template-columns:minmax(0,1.3fr) minmax(220px,1fr)}.lab-tools .solution-scene{padding:24px 18px}.lab-tools .solution-nodes{gap:14px;padding-block:24px}.lab-tools .solution-node:after{width:14px;right:-15px}.lab-tools .solution-detail{padding:24px}.lab-tools .solution-controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}#people-context{font-weight:400;line-height:1.5;color:var(--lab-muted)}.check-heading{font-size:16px;margin-top:28px}.check-heading+.lab-notice{margin-top:12px}.lab-tools .experiment{grid-template-columns:1fr;gap:24px}.lab-tools .experiment-copy>p{max-width:none}.lab-tools .experiment-tabs{flex-wrap:wrap}.lab-tools .experiment-next{grid-column:1/-1}.lab-tools .wifi-plan{max-width:620px;margin-inline:auto}.lab-tools .diagnosis-layout{display:block}
#lab-start{padding:32px 0}#lab-start .eyebrow{color:var(--lab-accent);font-size:12px}#start-title{font-size:clamp(30px,3.5vw,48px);letter-spacing:-.045em;line-height:1.15;margin:16px 0}.start-lead{max-width:580px;color:var(--text-muted);line-height:1.75;margin:0 0 28px}.start-cards{display:grid;gap:12px}.start-cards button{display:grid;grid-template-columns:56px minmax(0,1fr) 24px;gap:8px 20px;align-items:center;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:12px;color:var(--text);font:inherit;padding:24px;cursor:pointer;transition:border-color .2s,transform .2s,box-shadow .2s}.start-cards button:hover{border-color:var(--lab-accent);transform:translateX(3px);box-shadow:0 6px 24px #19332908}.start-cards svg{width:48px;height:48px;stroke:var(--lab-accent);stroke-width:1.5;fill:none;grid-row:1/3}.start-cards strong{font-size:20px;line-height:1.3;font-weight:600}.start-cards strong br{display:none}.start-cards span{font-size:14px;color:var(--text-muted);line-height:1.6;grid-column:2}.start-cards b{grid-column:3;grid-row:1/3;font-size:24px;font-weight:400;color:var(--lab-accent)}
.lab-draft-panel{position:sticky;top:112px;border:1px solid var(--border);background:var(--surface-alt);padding:24px;border-radius:16px;max-height:calc(100dvh - 136px);overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable;color:var(--text)}.lab-draft-panel .eyebrow{font-size:10px;color:var(--lab-accent);letter-spacing:.1em;margin:0 0 12px}.lab-draft-panel h2{font-size:26px;line-height:1.2;margin:0 0 12px;letter-spacing:-.035em}.lab-draft-panel>div>p{font-size:13px;line-height:1.7;color:var(--text-muted)}.lab-draft-panel .draft-content{padding:0;background:transparent;border:0}.lab-draft-panel label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:600;color:var(--text)}.lab-draft-panel textarea{width:100%;box-sizing:border-box;resize:vertical;border:1px solid var(--border);padding:12px;border-radius:6px;font:inherit;font-weight:400;background:var(--surface);color:var(--text)}.lab-draft-panel .draft-content details{margin:16px 0;padding:12px;background:var(--surface);border:1px solid var(--border);border-radius:8px}.lab-draft-panel summary{font-size:13px;cursor:pointer;line-height:1.6}.lab-draft-panel pre{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.75 inherit;max-height:230px;overflow:auto;margin-bottom:0}.lab-draft-panel #draft-text{font-family:inherit;font-size:12px;line-height:1.75}.lab-draft-panel .draft-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.lab-draft-panel .draft-actions button{font-size:12px;padding:10px;min-width:0}.lab-draft-panel #discuss-draft{grid-column:1/-1;padding-inline:0;font-size:14px}.lab-draft-panel .lab-session{padding:16px 0 0;margin:12px 0 0;border-top:1px solid var(--border);display:block;background:transparent}.lab-draft-panel .lab-session>div{display:flex;gap:20px;flex-wrap:wrap}.lab-draft-panel .draft-restore{padding:12px;font-size:12px;display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.draft-restore[hidden]{display:none}.lab-draft-panel .lab-small{font-size:12px;color:var(--text-muted)}.draft-sections{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 8px}.draft-sections span{font-size:10px;color:var(--text-muted);border:1px solid var(--border);border-radius:20px;padding:5px 8px}.draft-sections span:before{content:'○';margin-right:5px}.draft-sections .is-filled{border-color:var(--lab-accent);color:var(--lab-accent)}.draft-sections .is-filled:before{content:'✓'}.draft-fab,.draft-close{display:none}#draft-sheet{padding:0;border:0;width:100%;max-width:100%;max-height:86dvh;margin:auto 0 0;border-radius:20px 20px 0 0;background:var(--surface-alt);color:var(--text);overflow:auto}#draft-sheet::backdrop{background:#101a2480;backdrop-filter:blur(3px)}
.diagnosis-step{font-size:12px;line-height:1.7;color:var(--lab-accent);margin:0 0 18px}.symptom-tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}.symptom-tiles button{border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);text-align:left;padding:20px;font:600 16px/1.5 inherit;cursor:pointer}.symptom-tiles button{font-family:inherit;font-size:16px;line-height:1.5;font-weight:600}.symptom-tiles span{display:block;font-size:12px;font-weight:400;color:var(--text-muted);margin-top:6px}.symptom-tiles button[aria-pressed=true],.followup-options button[aria-pressed=true]{border-color:var(--lab-accent);box-shadow:inset 0 0 0 1px var(--lab-accent);background:var(--surface-alt)}#diagnosis-followup{margin:24px 0;padding:24px;border-radius:12px;background:var(--surface-alt);border:1px solid var(--border)}#diagnosis-followup h3{font-size:20px;line-height:1.4;margin:0 0 8px}.followup-options{display:flex;gap:8px;flex-wrap:wrap}.followup-options button{flex:1;min-width:120px}#diagnosis-details{margin:24px 0;color:var(--text-muted);font-size:13px}#diagnosis-details summary{cursor:pointer;padding-block:12px}#diagnosis-details .diagnosis-inputs{grid-template-columns:1fr 1fr;margin-top:12px}#diagnosis-details .lab-small{grid-column:1/-1}.diagnosis-result{margin-top:28px}.diagnosis-result[hidden]{display:none}
.backup-loss{margin-top:20px;border-top:1px solid var(--border);padding:24px 0 0;color:var(--text)}.backup-loss .eyebrow{font-size:10px;color:var(--lab-accent)}.backup-loss h3{font-size:28px;letter-spacing:-.03em;line-height:1.25;margin:12px 0}.backup-loss p{font-size:14px;line-height:1.7}.backup-loss small{font-size:11px;color:var(--text-muted);line-height:1.65;display:block}.backup-loss[data-loss=true] h3{color:#b52337}[data-theme=dark] .backup-loss[data-loss=true] h3{color:#ff9fab}.backup-loss #loss-next{border-left:2px solid var(--lab-accent);padding-left:14px}
@media(max-width:1100px){.lab-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px}.lab-draft-panel{padding:20px}.lab-tools .solution-workbench{grid-template-columns:1fr}.solution-detail{border-left:0;border-top:1px solid var(--lab-border)}.lab-tools .lab-tabs button{font-size:12px;padding:12px 8px}.lab-tools .lab-tabs button span{display:none}.lab-tools .solution-controls{grid-template-columns:1fr}}
@media(max-width:850px){.lab-layout{display:block}.lab-page{padding-bottom:76px}.lab-draft-panel{position:static;max-height:none;overflow:visible;border:0;border-radius:0;padding:24px 24px max(24px,env(safe-area-inset-bottom));width:100%}.draft-close{display:block;margin:0 0 16px auto;text-align:right}.draft-fab{position:fixed;display:flex;align-items:center;justify-content:space-between;gap:16px;bottom:max(16px,env(safe-area-inset-bottom));left:20px;right:20px;z-index:80;padding:16px 20px;border-radius:12px;border:1px solid #548f82;background:#153f36;color:white;box-shadow:0 6px 24px #001c3228;font:600 15px/1.4 inherit;font-family:inherit;cursor:pointer}.draft-fab #draft-fab-count{margin-left:auto}.lab-tools .solution-workbench{grid-template-columns:minmax(0,1.2fr) minmax(220px,1fr)}.lab-tools .solution-controls{grid-template-columns:1fr 1fr}.lab-draft-panel pre{max-height:300px}.lab-draft-panel .lab-session p{font-size:12px}#draft-sheet .lab-primary{background:#166b65;border-color:#166b65;color:white}.lab-tools .lab-tabs button{font-size:14px}#lab-start{padding-top:12px}}
@media(max-width:600px){.lab-intro{gap:24px}.lab-intro-aside>span{font-size:12px}.lab-tools .solution-workbench,.lab-tools .solution-controls{grid-template-columns:1fr}.start-cards button{padding:20px 16px;grid-template-columns:36px minmax(0,1fr) 18px;gap:8px 14px}.start-cards svg{width:34px;height:34px}.start-cards strong{font-size:18px}.start-cards span{font-size:13px}.symptom-tiles{gap:10px}.symptom-tiles button{padding:16px 12px;font-size:14px}#diagnosis-details .diagnosis-inputs{grid-template-columns:1fr}.lab-tools .experiment-tabs button{font-size:12px;padding:10px 14px}.lab-tools .lab-tabs{margin-bottom:28px}.lab-tools .lab-tabs button{font-size:12px}.lab-tools .lab-process{flex-wrap:wrap;justify-content:flex-start}.lab-tools .experiment{padding:20px 16px}.lab-tools .backup-actions button{font-size:12px}.lab-tools .solution-nodes{gap:12px}}
@media(prefers-reduced-motion:reduce){.start-cards button{transition:none}.start-cards button:hover{transform:none}}
@media print{.draft-fab,#draft-sheet,.lab-draft-panel{display:none!important}}