/* Odds Piranha — Learn hub shared styles */
:root{--bg:#07111F;--panel:#0D1E33;--card:#0A1929;--border:#1C3454;--text:#ECF2FF;--muted:#89A2C0;--amber:#FFB020;--green:#50D848;--red:#FF4060;--blue:#4D9FFF;--gold:#FFD700}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding:0 1.2rem}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:'JetBrains Mono',monospace}
/* Top bar */
.topbar{display:flex;align-items:center;justify-content:space-between;max-width:760px;margin:0 auto;padding:.9rem 1.2rem}
.topbar .brand{display:flex;align-items:center;gap:.55rem;font-weight:900;letter-spacing:-.01em;color:var(--text)}
.topbar .brand img{width:34px;height:34px;object-fit:contain}
.topbar .applink{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.03em;background:linear-gradient(135deg,#9be85b,#2fb83f);color:#04140d;padding:.45rem .9rem;border-radius:9px}
.topbar .applink:hover{filter:brightness(1.06);text-decoration:none}
/* Hero */
.hero{text-align:center;padding:2rem 0 1rem;background:radial-gradient(ellipse at top,rgba(80,216,72,.09),transparent 60%)}
.hero h1{font-size:clamp(1.8rem,5vw,2.8rem);font-weight:900;line-height:1.08;letter-spacing:-.02em;margin-bottom:.5rem}
.hero h1 .g{color:var(--green)}
.hero p.lead{font-size:clamp(1rem,2.4vw,1.18rem);color:#C7D6EA;max-width:600px;margin:0 auto}
.eyebrow{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--green);margin-bottom:.5rem}
/* Article body */
article{padding:1rem 0 2rem}
article h2{font-size:clamp(1.25rem,3.4vw,1.6rem);font-weight:900;letter-spacing:-.01em;margin:2rem 0 .6rem;color:var(--text)}
article h3{font-size:1.08rem;font-weight:800;margin:1.4rem 0 .4rem;color:var(--text)}
article p{margin:0 0 1rem;color:#DCE7F5}
article ul,article ol{margin:0 0 1rem 1.2rem;color:#DCE7F5}
article li{margin-bottom:.5rem}
article strong{color:var(--text)}
.updated{font-size:.76rem;color:var(--muted);margin-bottom:1.2rem}
/* Callout / example boxes */
.box{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1rem 1.1rem;margin:1.2rem 0}
.box.ex{border-left:3px solid var(--green)}
.box .lbl{font-size:.66rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--green);margin-bottom:.4rem}
.box.warn{border-left:3px solid var(--amber)}
.box.warn .lbl{color:var(--amber)}
.keytab{width:100%;border-collapse:collapse;font-family:'JetBrains Mono',monospace;font-size:.86rem;margin:.4rem 0}
.keytab th,.keytab td{padding:.45rem .5rem;border-bottom:1px solid var(--border);text-align:left}
.keytab th{color:var(--muted);font-size:.66rem;text-transform:uppercase;letter-spacing:.03em}
/* Tool CTA */
.toolcta{display:block;background:linear-gradient(135deg,rgba(80,216,72,.10),rgba(13,30,51,.6));border:1px solid rgba(80,216,72,.35);border-radius:12px;padding:1rem 1.1rem;margin:1.4rem 0}
.toolcta:hover{border-color:var(--green);text-decoration:none}
.toolcta .t{font-weight:800;color:var(--green);font-size:.95rem}
.toolcta .d{color:var(--muted);font-size:.84rem;margin-top:.15rem}
/* Article grid (hub) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.9rem;margin:1.2rem 0}
.acard{display:block;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:1rem 1.05rem}
.acard:hover{border-color:var(--green);text-decoration:none;transform:translateY(-2px);transition:.15s}
.acard .tag{font-size:.6rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--amber)}
.acard h3{font-size:1.02rem;font-weight:800;color:var(--text);margin:.3rem 0 .3rem;line-height:1.25}
.acard p{font-size:.82rem;color:var(--muted);margin:0}
.sectlabel{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:1.6rem 0 .2rem}
/* Related + footer */
.related{border-top:1px solid var(--border);margin-top:2rem;padding-top:1.2rem}
.related h2{font-size:1.1rem;margin:0 0 .6rem}
.related a{display:block;padding:.35rem 0;font-weight:600}
.foot{border-top:1px solid var(--border);margin-top:2rem;padding:1.4rem 0 2.5rem;text-align:center}
.foot .cta{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,#9be85b,#2fb83f);color:#04140d;font-weight:900;font-size:1rem;padding:.8rem 1.6rem;border-radius:12px;box-shadow:0 6px 24px rgba(80,216,72,.28)}
.foot .cta:hover{filter:brightness(1.05);text-decoration:none}
.foot .rg{font-size:.72rem;color:var(--muted);margin-top:1.2rem;line-height:1.6}
.crumbs{font-size:.76rem;color:var(--muted);padding:.4rem 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--green)}