/* Praxislabor Redesign - einheitlich mit dem finalen Lehrbuch */
:root{--lab-surface:rgba(255,255,255,.72);--lab-tint:rgba(75,111,158,.10);--lab-green:rgba(95,138,123,.12)}
.lab-layout{display:grid;grid-template-columns:310px minmax(0,1fr);min-height:100vh;background:var(--bg);color:var(--text)}
.lab-sidebar{position:sticky;top:0;height:100vh;overflow:auto;border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.88),rgba(255,255,255,.62));padding:22px}
@media (prefers-color-scheme:dark){.lab-sidebar{background:linear-gradient(180deg,rgba(23,29,40,.96),rgba(23,29,40,.74));}.lab-card{background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.025));}}
.lab-main{min-width:0;padding:34px 48px 80px}.lab-article{max-width:1080px;margin:0 auto}.lab-brand{display:flex;gap:12px;align-items:center;margin-bottom:18px}.lab-brand h1{font-size:1rem;margin:0}.lab-brand small{color:var(--muted)}.lab-logo{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:var(--shadow)}
.lab-search{margin:14px 0 16px}.lab-search input{width:100%;box-sizing:border-box;border:1px solid var(--line);border-radius:14px;padding:11px 12px;background:var(--panel);color:var(--text)}
.lab-nav{display:flex;flex-direction:column;gap:6px}.lab-nav-label{margin:16px 0 6px;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.09em}.lab-nav-link{display:grid;grid-template-columns:42px 1fr;gap:9px;align-items:center;border-radius:14px;padding:9px 10px;color:var(--text);text-decoration:none}.lab-nav-link:hover,.lab-nav-link.active{background:rgba(75,111,158,.12);text-decoration:none}.lab-nav-link span{font-size:.78rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;text-align:center;padding:2px 0;background:var(--panel)}
.lab-hero{border:1px solid var(--line);border-radius:24px;background:linear-gradient(135deg,var(--lab-tint),var(--lab-green)),var(--panel);box-shadow:var(--shadow);padding:34px;margin-bottom:22px}.lab-hero h1{font-size:2.35rem;line-height:1.08;margin:8px 0}.lab-hero p{color:var(--muted);font-size:1.05rem;max-width:860px}.lab-badges{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 0}.lab-badge{border:1px solid var(--line);background:rgba(255,255,255,.46);color:var(--muted);border-radius:999px;padding:5px 10px;font-size:.86rem}@media(prefers-color-scheme:dark){.lab-badge{background:rgba(255,255,255,.06)}}
.lab-topnav{display:flex;justify-content:space-between;gap:10px;margin:0 0 18px}.lab-icon-link{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--text);box-shadow:0 6px 18px rgba(0,0,0,.05);text-decoration:none;font-size:1.05rem}.lab-icon-link:hover{text-decoration:none;transform:translateY(-1px)}
.lab-meta-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin:18px 0}.lab-meta{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:14px}.lab-meta strong{display:block;color:var(--accent);font-size:.85rem;margin-bottom:4px;text-transform:uppercase;letter-spacing:.04em}.lab-meta span{color:var(--text)}
.lab-card{border:1px solid var(--line);border-radius:22px;background:var(--panel);box-shadow:0 8px 24px rgba(0,0,0,.05);padding:20px;margin:18px 0}.lab-card h2{margin-top:0}.lab-intro{font-size:1.04rem;color:var(--muted)}
.lab-section{border:1px solid var(--line);background:var(--panel);border-radius:18px;margin:12px 0;overflow:hidden}.lab-section summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:16px 18px;font-weight:800;color:var(--text)}.lab-section summary::-webkit-details-marker{display:none}.lab-section[open] summary{border-bottom:1px solid var(--line);background:rgba(75,111,158,.07)}.twisty::before{content:"▸";display:inline-flex;width:22px;height:22px;border:1px solid var(--line);border-radius:8px;align-items:center;justify-content:center;color:var(--accent);font-size:.85rem}.lab-section[open] .twisty::before{content:"▾"}.lab-section-body{padding:16px 20px 20px}.lab-section-body p:first-child{margin-top:0}.lab-section-body ul{padding-left:1.25rem}.lab-section-body li{margin:.38rem 0}.checklist{list-style:none;padding-left:0!important}.checklist li{display:flex;gap:9px;align-items:flex-start}.check-icon{color:var(--accent);font-weight:800}.lab-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px;margin-top:8px}.lab-links a{border:1px solid var(--line);border-radius:14px;background:rgba(75,111,158,.07);padding:10px 12px;text-decoration:none;color:var(--text)}.lab-links a:hover{background:rgba(75,111,158,.13);text-decoration:none}.lab-code pre{font-size:.92rem}.code-badge{font-size:.72rem;border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:2px 7px;color:#d8e6ff;background:rgba(255,255,255,.06);margin-left:auto;margin-right:8px}.lab-footer-nav{display:flex;justify-content:center;gap:12px;margin:34px 0}.lab-footer-nav .lab-icon-link{width:48px;height:48px}.lab-note{border:1px solid var(--line);border-left:6px solid var(--accent2);border-radius:18px;background:var(--panel);padding:14px 16px;margin:18px 0}.lab-note strong{color:var(--accent2)}
.lab-index-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:22px 0}.lab-index-card{display:block;border:1px solid var(--line);border-radius:22px;background:var(--panel);padding:18px;box-shadow:0 8px 22px rgba(0,0,0,.05);text-decoration:none;color:var(--text)}.lab-index-card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow)}.lab-index-card h3{margin:.35rem 0}.lab-number{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px 8px;color:var(--muted);font-size:.8rem}.lab-index-card p{color:var(--muted)}
mark.lab-hit{background:#ffd86b;color:#111;border-radius:4px;padding:0 2px}
@media(max-width:900px){.lab-layout{display:block}.lab-sidebar{position:relative;height:auto}.lab-main{padding:22px 16px 70px}.lab-hero{padding:24px}.lab-hero h1{font-size:1.72rem}.lab-nav{display:grid;grid-template-columns:1fr}.lab-topnav{position:sticky;top:0;z-index:3;background:var(--bg);padding:8px 0}.lab-section summary{padding:15px}.lab-section-body{padding:14px 16px}.lab-code pre{font-size:.84rem}.lab-links{grid-template-columns:1fr}}
@media print{.lab-layout{display:block}.lab-sidebar,.lab-topnav,.lab-footer-nav,.copy{display:none!important}.lab-main{padding:0}.lab-article{max-width:none}.lab-hero,.lab-card,.lab-section,.lab-code{box-shadow:none;break-inside:avoid}.lab-section{display:block}.lab-section-body{display:block}.lab-section summary{border-bottom:1px solid var(--line)}}


/* Real-Examples-Vertiefung */
.lab-section-body .codebox + .codebox{margin-top:14px}
.lab-section#vorher{border-left:5px solid #b7791f}
.lab-section#nachher{border-left:5px solid #2f8f6f}
.lab-section#analyse{border-left:5px solid #4b6f9e}
.lab-section#test{border-left:5px solid #7c5fb0}
.lab-section-body > p{max-width:76ch}
.lab-section-body .codebox{max-width:100%}
.lab-section-body pre{tab-size:4}


/* === RELEASE PATCH: Lab-Alles-öffnen/-schließen-Icons === */
.lab-togglebar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:16px 0 18px}.lab-toggle-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--text);box-shadow:0 8px 22px rgba(0,0,0,.08);font-size:1.06rem;font-weight:900;cursor:pointer}.lab-toggle-btn:hover{transform:translateY(-1px);background:rgba(75,111,158,.11)}.lab-toggle-btn.open-all{background:linear-gradient(135deg,var(--accent),var(--accent2));color:white}.lab-togglebar .hint{font-size:.82rem;color:var(--muted);font-weight:700}@media(max-width:900px){.lab-togglebar{position:sticky;top:58px;z-index:4;background:var(--bg);padding:8px 0;border-bottom:1px solid var(--line)}.lab-togglebar .hint{display:none}.lab-toggle-btn{width:38px;height:38px}}

/* === FINAL DESIGN POLISH PRAXISLABOR === */
.lab-main{padding-top:30px}.lab-article{max-width:1040px}.lab-hero{border-radius:26px;padding:30px 34px}.lab-hero h1{font-size:clamp(1.85rem,3vw,2.55rem);letter-spacing:-.04em}.lab-section{border-radius:20px;margin:14px 0}.lab-section summary{padding:15px 18px}.lab-section-body{padding:18px 22px 22px}.lab-section-body>p{max-width:78ch}.lab-section#vorher{border-left:6px solid #c47a2c;background:linear-gradient(90deg,rgba(196,122,44,.06),transparent 38%),var(--panel)}.lab-section#analyse{border-left:6px solid #4b6f9e;background:linear-gradient(90deg,rgba(75,111,158,.07),transparent 38%),var(--panel)}.lab-section#nachher{border-left:6px solid #2f8f6f;background:linear-gradient(90deg,rgba(47,143,111,.07),transparent 38%),var(--panel)}.lab-section#test{border-left:6px solid #7c5fb0;background:linear-gradient(90deg,rgba(124,95,176,.07),transparent 38%),var(--panel)}.lab-section#vorher summary span:last-child::after{content:'Problem';margin-left:.55rem;border:1px solid rgba(196,122,44,.35);color:#b36b24;border-radius:999px;padding:2px 8px;font-size:.72rem}.lab-section#nachher summary span:last-child::after{content:'Zielbild';margin-left:.55rem;border:1px solid rgba(47,143,111,.35);color:#2f8f6f;border-radius:999px;padding:2px 8px;font-size:.72rem}.lab-section#test summary span:last-child::after{content:'Nachweis';margin-left:.55rem;border:1px solid rgba(124,95,176,.35);color:#7c5fb0;border-radius:999px;padding:2px 8px;font-size:.72rem}.lab-note{background:linear-gradient(135deg,rgba(75,111,158,.08),rgba(95,138,123,.08)),var(--panel)}.lab-code .codecap{background:linear-gradient(180deg,#202b3d,#111827)}.lab-section#vorher .codecap{border-left:4px solid #c47a2c}.lab-section#nachher .codecap{border-left:4px solid #2f8f6f}.lab-section#test .codecap{border-left:4px solid #7c5fb0}.lab-index-card{min-height:180px}.lab-index-card h3{font-size:1.13rem}.lab-togglebar{margin:14px 0}.lab-toggle-btn{box-shadow:0 8px 18px rgba(0,0,0,.08)}.lab-footer-nav{gap:10px}.lab-icon-link{border-radius:999px}.lab-sidebar{box-shadow:4px 0 18px rgba(0,0,0,.04)}.lab-nav-link.active{font-weight:850}
@media(max-width:900px){.lab-main{padding:20px 14px 70px}.lab-hero{padding:22px 18px}.lab-section-body{padding:15px 16px}.lab-section#vorher summary span:last-child::after,.lab-section#nachher summary span:last-child::after,.lab-section#test summary span:last-child::after{display:none}}