@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@500;600&display=swap');
* { box-sizing: border-box; margin: 0; padding: 0; }
body.lab-app { font-family: 'Outfit', sans-serif; background: #eef2f6; color: #0f172a; line-height: 1.68; }
a { color: #0d9488; text-decoration: none; font-weight: 600; }
a:hover { color: #0f766e; text-decoration: underline; }
header.lab-topbar { background: #0b132b; color: #fff; border-bottom: 3px solid #14b8a6; padding: 0.9rem 1.5rem; }
.lab-top-inner { max-width: 1320px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.lab-brand { display: flex; align-items: center; gap: 0.7rem; color: #fff; font-weight: 800; font-size: 1.3rem; text-decoration: none !important; }
.lab-mono-tag { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; background: rgba(20,184,166,0.18); color: #5eead4; border: 1px solid #14b8a6; padding: 0.25rem 0.6rem; border-radius: 4px; }
.lab-split { max-width: 1320px; margin: 1.8rem auto; padding: 0 1.5rem; display: grid; grid-template-columns: 310px 1fr; gap: 1.8rem; align-items: start; }
@media (max-width: 960px) { .lab-split { grid-template-columns: 1fr; } }
aside.lab-tree { background: #0b132b; color: #cbd5e1; border-radius: 10px; padding: 1.4rem; }
aside.lab-tree h3 { font-family: 'JetBrains Mono', monospace; font-size: 0.76rem; text-transform: uppercase; color: #5eead4; margin-bottom: 0.65rem; border-bottom: 1px solid #1e293b; padding-bottom: 0.4rem; }
aside.lab-tree ul { list-style: none; margin-bottom: 1.2rem; }
aside.lab-tree li a { display: block; padding: 0.4rem 0.5rem; color: #e2e8f0; font-size: 0.84rem; border-radius: 5px; font-weight: 500; }
aside.lab-tree li a:hover { background: #14b8a6; color: #0b132b; text-decoration: none; font-weight: 700; }
.lab-spec-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0.8rem; margin-bottom: 1.2rem; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; }
.lab-spec-cell { background: #fff; border: 1px solid #cbd5e1; border-top: 3px solid #0d9488; padding: 0.7rem 0.9rem; border-radius: 6px; }
.entry-body-block { background: #ffffff; border: 1px solid #cbd5e1; border-radius: 10px; padding: 2.3rem; }
.ap-badge { font-family: 'JetBrains Mono', monospace; display: inline-block; background: #ccfbf1; color: #0f766e; font-size: 0.74rem; font-weight: 700; padding: 0.2rem 0.55rem; border-radius: 4px; margin-bottom: 0.6rem; }
.entry-body-block h1 { font-size: 1.85rem; color: #0b132b; margin-bottom: 1rem; line-height: 1.26; }
.entry-body-block h2 { font-size: 1.32rem; color: #0b132b; margin: 1.5rem 0 0.65rem; border-left: 4px solid #14b8a6; padding-left: 0.65rem; }
.entry-body-block p { margin-bottom: 1rem; }
.entry-body-block ul { margin: 0.7rem 0 1.1rem 1.4rem; }
.entry-body-block li { margin-bottom: 0.4rem; }
.entry-body-block table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; font-size: 0.88rem; }
.entry-body-block th { background: #0b132b; color: #5eead4; padding: 0.7rem; text-align: left; font-family: 'JetBrains Mono', monospace; }
.entry-body-block td { border: 1px solid #cbd5e1; padding: 0.7rem; }
footer.lab-foot { background: #0b132b; color: #94a3b8; text-align: center; padding: 2rem 1.5rem; margin-top: 3rem; font-size: 0.83rem; }