/* ============================================================
   DEEPDIVE — shared stylesheet
   Palette: slate-charcoal base, amber signal, teal confirm, coral cost-warning
   ============================================================ */

:root{
  --bg: #0D1117;
  --surface: #131A24;
  --surface-2: #1A2330;
  --border: #253044;
  --text: #DCE3EC;
  --muted: #8FA0B5;
  --muted-2: #5E6E82;
  --amber: #F0A030;
  --amber-dim: #7A5A22;
  --teal: #3FD9A4;
  --coral: #FF7B72;
  --violet: #A78BFA;
  --code-bg: #0A0F16;
  --maxw: 880px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.65;
  font-size:16px;
}
a{color:var(--amber);text-decoration:none;}
a:hover{text-decoration:underline;}
code, pre, .mono{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
code{
  background:var(--code-bg);
  border:1px solid var(--border);
  padding:0.12em 0.42em;
  border-radius:4px;
  font-size:0.88em;
  color:#F5D9A8;
}
pre{
  background:var(--code-bg);
  border:1px solid var(--border);
  border-left:3px solid var(--amber);
  padding:16px 18px;
  border-radius:6px;
  overflow-x:auto;
  font-size:0.86em;
  line-height:1.55;
  color:#D7DEE8;
}
pre code{background:none;border:none;padding:0;color:inherit;}

/* ---------- layout shell ---------- */
.shell{display:flex;min-height:100vh;}

.sidebar{
  width:270px;
  flex:none;
  background:var(--surface);
  border-right:1px solid var(--border);
  padding:26px 20px 40px;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
}
.sidebar .brand{
  font-size:13px;
  letter-spacing:0.04em;
  color:var(--muted);
  margin-bottom:4px;
}
.sidebar .brand strong{color:var(--text);font-size:17px;display:block;letter-spacing:0;margin-top:2px;}
.sidebar nav{margin-top:26px;}
.sidebar .group-label{
  font-size:11.5px;
  color:var(--muted-2);
  margin:20px 0 8px;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.sidebar a.nav-link{
  display:flex;
  gap:10px;
  align-items:baseline;
  padding:7px 8px;
  border-radius:6px;
  color:var(--muted);
  font-size:14.5px;
  margin-bottom:2px;
}
.sidebar a.nav-link .n{color:var(--amber);font-weight:600;font-size:12.5px;min-width:16px;}
.sidebar a.nav-link:hover{background:var(--surface-2);color:var(--text);text-decoration:none;}
.sidebar a.nav-link.active{background:var(--surface-2);color:var(--text);border-left:2px solid var(--amber);padding-left:6px;}

.main{flex:1;min-width:0;}
.content{max-width:var(--maxw);margin:0 auto;padding:56px 32px 120px;}

/* ---------- headers ---------- */
.eyebrow{color:var(--amber);font-size:13px;font-weight:600;margin-bottom:10px;}
h1.page-title{font-size:34px;margin:0 0 14px;line-height:1.2;color:#fff;}
.lede{color:var(--muted);font-size:17px;max-width:70ch;margin-bottom:38px;}

h2.bucket-h{
  font-size:24px;
  margin:56px 0 6px;
  color:#fff;
  display:flex;
  align-items:center;
  gap:12px;
}
h2.bucket-h .badge{
  background:var(--amber);
  color:#1a1200;
  font-weight:700;
  font-size:13px;
  border-radius:5px;
  padding:2px 9px;
}
.bucket-sub{color:var(--muted);margin-bottom:24px;max-width:68ch;}

h3.svc-h{
  font-size:19px;
  color:#fff;
  margin:34px 0 4px;
  border-top:1px solid var(--border);
  padding-top:26px;
}
h3.svc-h .tag{
  font-size:11px;
  color:var(--muted-2);
  font-weight:400;
  margin-left:8px;
}

.section-block{margin-bottom:6px;}
.kv{display:grid;grid-template-columns:112px 1fr;gap:4px 14px;margin:10px 0 16px;font-size:15px;}
.kv .k{color:var(--muted-2);font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;padding-top:2px;}
.kv .v{color:var(--text);}

ul.plain{padding-left:20px;margin:10px 0;}
ul.plain li{margin-bottom:6px;color:var(--text);}
ul.plain li::marker{color:var(--amber);}

.callout{
  border:1px solid var(--border);
  border-left:3px solid var(--teal);
  background:var(--surface);
  border-radius:6px;
  padding:14px 18px;
  margin:16px 0;
  font-size:14.5px;
}
.callout .cl-label{color:var(--teal);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:5px;}
.callout.org{border-left-color:var(--violet);}
.callout.org .cl-label{color:var(--violet);}
.callout.warn{border-left-color:var(--coral);}
.callout.warn .cl-label{color:var(--coral);}

.decision-tree{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:8px;
  padding:18px 22px;
  margin:20px 0 10px;
}
.decision-tree .dt-title{font-weight:700;color:#fff;margin-bottom:10px;font-size:14.5px;}
.decision-tree ul{margin:0;padding-left:18px;}
.decision-tree li{margin-bottom:8px;font-size:14.5px;color:var(--text);}
.decision-tree li b{color:var(--amber);}

/* ---------- lab styles ---------- */
.lab-meta{display:flex;gap:22px;flex-wrap:wrap;margin:14px 0 30px;font-size:13.5px;}
.lab-meta div{color:var(--muted);}
.lab-meta b{color:var(--text);}

.step{
  border:1px solid var(--border);
  border-radius:10px;
  margin:20px 0;
  overflow:hidden;
  background:var(--surface);
}
.step-h{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 18px;
  background:var(--surface-2);
  border-bottom:1px solid var(--border);
}
.step-num{
  background:var(--amber);
  color:#1a1200;
  font-weight:700;
  font-size:13px;
  width:26px;height:26px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  flex:none;
}
.step-h .step-title{font-weight:600;color:#fff;font-size:15.5px;}
.step-body{padding:16px 20px 18px;}
.step-body .lbl{color:var(--muted-2);font-size:11px;text-transform:uppercase;letter-spacing:.06em;margin:12px 0 4px;}
.step-body .lbl:first-child{margin-top:0;}
.step-body p{margin:2px 0 8px;font-size:14.8px;}

.checklist{list-style:none;padding:0;margin:6px 0;}
.checklist li{
  display:flex;
  gap:9px;
  align-items:flex-start;
  font-size:14.5px;
  margin-bottom:7px;
  color:var(--text);
}
.checklist li::before{
  content:"";
  width:15px;height:15px;
  border:1.5px solid var(--teal);
  border-radius:4px;
  flex:none;
  margin-top:2.5px;
}

.cleanup{
  border:1px dashed var(--coral);
  border-radius:8px;
  padding:14px 18px;
  margin-top:26px;
  background:rgba(255,123,114,0.05);
}
.cleanup .cl-title{color:var(--coral);font-weight:700;font-size:13.5px;margin-bottom:6px;}

.arch{
  background:var(--code-bg);
  border:1px solid var(--border);
  border-radius:8px;
  padding:18px 20px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;
  color:var(--teal);
  overflow-x:auto;
  margin:16px 0 24px;
  white-space:pre;
}

.progress-hint{
  display:inline-block;
  font-size:12px;
  color:var(--muted-2);
  border:1px solid var(--border);
  border-radius:20px;
  padding:3px 11px;
  margin-bottom:18px;
}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0;}
@media(max-width:720px){.grid-2{grid-template-columns:1fr;}}

.footnav{
  display:flex;justify-content:space-between;
  margin-top:60px;padding-top:24px;border-top:1px solid var(--border);
  font-size:14.5px;
}
.footnav a{color:var(--text);}
.footnav .dir{display:block;color:var(--muted-2);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:3px;}

table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px;}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);}
th{color:var(--muted-2);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;font-weight:600;}
td{color:var(--text);}

.home-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0;}
@media(max-width:760px){.home-grid{grid-template-columns:1fr;}}
.home-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
  padding:20px 22px;
  transition:border-color .15s;
}
.home-card:hover{border-color:var(--amber);}
.home-card .hc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;}
.home-card .hc-num{color:var(--amber);font-weight:700;font-size:13px;}
.home-card h4{margin:0 0 6px;color:#fff;font-size:16.5px;}
.home-card p{margin:0;color:var(--muted);font-size:13.8px;}
.home-card .hc-links{margin-top:12px;display:flex;gap:14px;font-size:13px;}

.stat-row{display:flex;gap:28px;flex-wrap:wrap;margin:30px 0 10px;}
.stat{border-left:2px solid var(--amber);padding-left:12px;}
.stat b{display:block;font-size:26px;color:#fff;}
.stat span{color:var(--muted);font-size:12.5px;}

/* ---------- lab additions: callouts, progress, copy, toc ---------- */
.callout.fix{border-left-color:var(--amber);}
.callout.fix .cl-label{color:var(--amber);}
.callout.explain{border-left-color:var(--muted);}
.callout.explain .cl-label{color:var(--muted);}
.callout p{margin:4px 0 8px;}
.callout ul, .callout ol{margin:6px 0;padding-left:20px;}
.callout li{margin-bottom:5px;}
.step-body ul.plain, .step-body ol{font-size:14.8px;}
.step-body ol{padding-left:22px;margin:6px 0 10px;}
.step-body ol li{margin-bottom:5px;}
.step-body table, .callout table{font-size:13.5px;}

.checklist li{cursor:pointer;user-select:none;}
.checklist li.done{color:var(--muted);}
.checklist li.done::before{background:var(--teal);box-shadow:inset 0 0 0 2px var(--surface);}

.progress-bar{position:relative;height:28px;border:1px solid var(--border);border-radius:14px;background:var(--surface);margin:-10px 0 30px;overflow:hidden;}
.progress-bar span{position:absolute;inset:0 auto 0 0;width:0;background:rgba(63,217,164,.18);transition:width .25s;}
.progress-bar em{position:relative;display:block;text-align:center;font-style:normal;font-size:12.5px;line-height:26px;color:var(--muted);}

pre{position:relative;}
.copy-btn{position:absolute;top:8px;right:8px;background:var(--surface-2);color:var(--muted);border:1px solid var(--border);border-radius:5px;font-size:11.5px;padding:3px 9px;cursor:pointer;font-family:inherit;}
.copy-btn:hover{color:var(--text);border-color:var(--amber);}

.toc{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px 20px;margin:0 0 26px;font-size:14.5px;}
.toc .dt-title{font-weight:700;color:#fff;margin-bottom:6px;font-size:14px;}
.toc ol{margin:0;padding-left:20px;}
.toc li{margin-bottom:3px;}

/* ---------- small screens ---------- */
@media(max-width:860px){
  .shell{flex-direction:column;}
  .sidebar{width:auto;height:auto;position:static;border-right:none;border-bottom:1px solid var(--border);padding:16px;}
  .sidebar nav{margin-top:10px;display:flex;flex-wrap:wrap;gap:2px 6px;}
  .sidebar .group-label{width:100%;margin:10px 0 4px;}
  .sidebar a.nav-link{font-size:13px;padding:4px 6px;}
  .content{padding:28px 16px 80px;}
  h1.page-title{font-size:27px;}
  .kv{grid-template-columns:1fr;}
  .footnav{flex-direction:column;gap:16px;}
}
.step-num{width:auto;min-width:26px;padding:0 7px;border-radius:13px;}
.arch{line-height:1.45;}
/* checklist items: block layout so inline <code> wraps with the text */
.checklist li{display:block;position:relative;padding-left:24px;}
.checklist li::before{position:absolute;left:0;top:2.5px;margin-top:0;}

/* ---------- scenario labs ---------- */
.callout.req{border-left-color:var(--amber);}
.callout.req .cl-label{color:var(--amber);}
details.solution{border:1px solid var(--border);border-radius:10px;background:var(--surface);margin:22px 0;}
details.solution > summary{cursor:pointer;padding:14px 18px;font-weight:700;color:var(--teal);list-style:none;}
details.solution > summary::-webkit-details-marker{display:none;}
details.solution > summary::before{content:"▸ ";}
details.solution[open] > summary::before{content:"▾ ";}
details.solution[open] > summary{border-bottom:1px solid var(--border);}
details.solution .sol-body{padding:4px 18px 16px;}

/* ---------- PL-065 course reference screenshots (added) ---------- */
.course-ref{border:1px solid var(--border);border-left:3px solid var(--teal);border-radius:8px;background:var(--surface);padding:12px 16px 16px;margin:14px 0 18px;}
.course-ref .cr-label{color:var(--teal);font-weight:700;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;}
.cr-shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.cr-shots figure{margin:0;background:var(--surface-2);border:1px solid var(--border);border-radius:7px;overflow:hidden;}
.cr-shots figure a{display:block;}
.cr-shots img{display:block;width:100%;height:auto;background:#fff;}
.cr-shots figcaption{padding:6px 9px;font-size:12px;color:var(--muted);line-height:1.4;}
.cr-shots .kind{display:inline-block;font-size:10px;text-transform:uppercase;letter-spacing:.04em;border-radius:4px;padding:1px 5px;margin-right:5px;font-weight:700;background:rgba(63,217,164,.15);color:var(--teal);}
.cr-shots .kind.k-terminal{background:rgba(240,160,48,.16);color:var(--amber);}
@media(max-width:600px){.cr-shots{grid-template-columns:1fr;}}

/* ---------- console-equivalent steps (alongside CLI, added) ---------- */
.console-alt{border:1px solid var(--border);border-left:3px solid var(--violet);border-radius:8px;background:var(--surface);padding:12px 16px 14px;margin:10px 0 16px;}
.console-alt .ca-label{color:var(--violet);font-weight:700;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;}
.console-alt ol{margin:0;padding-left:20px;}
.console-alt li{margin:3px 0;line-height:1.55;}
.console-alt .crumb{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:1px 5px;}