/* tutorial.css — shared styling for the pincherMCP tutorial track
   (#1710 v0.92). Base palette + primitives lifted from index.html so
   the tutorial pages are a faithful visual match; the rest is
   tutorial-specific (track strip, steps, callouts, page nav). */

*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0d1117;--surface:#161b22;--border:#30363d;
  --text:#e6edf3;--muted:#8b949e;--accent:#58a6ff;
  --green:#3fb950;--purple:#a371f7;--orange:#f0883e;
}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code,pre{font-family:ui-monospace,"SFMono-Regular",Menlo,Monaco,Consolas,monospace;font-size:13px}
code{background:#0b1018;border:1px solid var(--border);border-radius:4px;padding:1px 6px;color:var(--accent)}
pre{background:#0b1018;border:1px solid var(--border);border-radius:10px;padding:16px 18px;overflow-x:auto;line-height:1.5;margin:14px 0}
pre code{background:none;border:none;padding:0;color:var(--text)}
.pixel{image-rendering:pixelated;image-rendering:-moz-crisp-edges;image-rendering:crisp-edges}

/* top nav — same shape as index.html */
nav.top{position:sticky;top:0;background:rgba(13,17,23,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;gap:20px;z-index:10}
nav.top .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.3px;color:var(--text)}
nav.top .brand span{color:var(--accent)}
nav.top .pinchy-nav{width:28px;height:28px}
nav.top .links{margin-left:auto;display:flex;gap:22px;font-size:13px}
nav.top .links a{color:var(--muted);font-weight:500}
nav.top .links a:hover{color:var(--text);text-decoration:none}

/* content column */
.tut{max-width:860px;margin:0 auto;padding:36px 24px 72px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--text)}

h1{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-1px;line-height:1.15;margin-bottom:12px;
   background:linear-gradient(135deg,#fff 0%,#58a6ff 65%,#a371f7 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:17px;color:var(--muted);margin-bottom:28px;line-height:1.6}
h2{font-size:23px;font-weight:700;letter-spacing:-.4px;margin:38px 0 10px;padding-top:8px}
h3{font-size:16px;font-weight:700;margin:22px 0 8px}
p{margin:12px 0}
ul,ol{margin:12px 0 12px 22px}
li{margin:5px 0}

/* the 4-stop track strip */
.track{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 30px;padding:0;list-style:none}
.track li{flex:1;min-width:150px}
.track a{display:block;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:12px;font-weight:600;color:var(--muted)}
.track a:hover{border-color:var(--accent);color:var(--text);text-decoration:none}
.track a .n{display:inline-block;width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;background:#0b1018;border:1px solid var(--border);font-size:11px;margin-right:7px}
.track li.current a{border-color:var(--accent);color:var(--text);background:rgba(88,166,255,.08)}
.track li.current a .n{background:var(--accent);color:#0d1117;border-color:var(--accent)}

/* numbered steps */
.step{display:flex;gap:14px;margin:18px 0;align-items:flex-start}
.step .marker{flex-shrink:0;width:30px;height:30px;line-height:30px;text-align:center;border-radius:50%;
  background:rgba(88,166,255,.1);border:1px solid rgba(88,166,255,.3);color:var(--accent);font-weight:700;font-size:14px}
.step .body{flex:1;min-width:0}
.step .body h3{margin-top:2px}

/* callouts */
.callout{border:1px solid var(--border);border-left:3px solid var(--accent);background:var(--surface);
  border-radius:8px;padding:14px 16px;margin:18px 0;font-size:14px}
.callout.tip{border-left-color:var(--green)}
.callout.warn{border-left-color:var(--orange)}
.callout .k{font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:var(--accent);display:block;margin-bottom:4px}
.callout.tip .k{color:var(--green)}
.callout.warn .k{color:var(--orange)}

/* hub cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin:20px 0}
.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;display:block;color:var(--text)}
.card:hover{border-color:var(--accent);text-decoration:none}
.card .n{font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--accent)}
.card h3{margin:6px 0 6px;font-size:16px}
.card p{color:var(--muted);font-size:13.5px;margin:0}

/* prev / next */
.pagenav{display:flex;justify-content:space-between;gap:14px;margin-top:48px;border-top:1px solid var(--border);padding-top:22px}
.pagenav a{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px 16px;font-size:13px;color:var(--text)}
.pagenav a:hover{border-color:var(--accent);text-decoration:none}
.pagenav a.next{text-align:right}
.pagenav .dir{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);display:block;margin-bottom:3px}
.pagenav a.disabled{opacity:.4;pointer-events:none}

footer{border-top:1px solid var(--border);margin-top:40px;padding:30px 24px;text-align:center;color:var(--muted);font-size:13px}
footer a{color:var(--accent)}