/* ITSM Academy — editorial, calm, practitioner-grade */
:root {
  --ink: #14213d; --ink-2: #3a4560; --muted: #6b7280; --paper: #faf8f4; --card: #ffffff;
  --line: #e4ded2; --accent: #b5651d; --accent-soft: #f6e9db; --good: #2f7d5b; --bad: #b3361f; --amber: #c08a10;
  --nav: #14213d; --nav-ink: #d9dce5; --radius: 12px; --shadow: 0 1px 2px rgba(20,33,61,.06), 0 4px 14px rgba(20,33,61,.05);
  --serif: "Fraunces", Georgia, serif; --sans: "Inter", system-ui, -apple-system, Segoe UI, sans-serif; --mono: "JetBrains Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eef0f5; --ink-2: #c4c9d6; --muted: #9aa1b2; --paper: #0f1524; --card: #161e31; --line: #2a3450;
    --accent: #e09a55; --accent-soft: #2b2218; --good: #5fc193; --bad: #ef7d63; --amber: #e5b54a; --nav: #0b101c; --nav-ink: #b9bfcf;
    --shadow: 0 1px 2px rgba(0,0,0,.3);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.6 var(--sans); color: var(--ink); background: var(--paper); }
a { color: var(--accent); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 650; line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: clamp(28px, 4vw, 40px); margin: .2em 0 .3em; }
h2 { font-size: 24px; } h3 { font-size: 19px; margin: .2em 0 .4em; } h4 { font-size: 15px; margin: 1.4em 0 .5em; text-transform: none; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 8px; top: 8px; z-index: 99; background: var(--card); padding: 8px; }
.muted { color: var(--muted); } .small { font-size: 13px; } .hidden { display: none !important; }
.good { color: var(--good); } .bad { color: var(--bad); }
.eyebrow { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.lede { font-size: 18px; color: var(--ink-2); max-width: 70ch; }
.row { display: flex; align-items: center; flex-wrap: wrap; } .gap { gap: 8px; } .between { justify-content: space-between; }

/* layout */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 14px; height: 56px; padding: 0 16px; background: var(--nav); color: #fff; }
.brand { color: #fff; text-decoration: none; font-family: var(--serif); font-size: 19px; font-weight: 650; }
.brand .mark { color: #d98a3d; } .topbar .muted { color: #9aa3ba; }
#menu { display: none; color: #fff; }
.shell { display: grid; grid-template-columns: 268px minmax(0, 1fr); min-height: calc(100vh - 56px); background: linear-gradient(to right, var(--nav) 268px, transparent 268px); }
#nav { background: var(--nav); color: var(--nav-ink); padding: 16px 10px 40px; position: sticky; top: 56px; height: calc(100vh - 56px); overflow-y: auto; }
#nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--nav-ink); text-decoration: none; font-size: 14px; }
#nav a:hover { background: rgba(255,255,255,.06); } #nav a.active { background: rgba(217,138,61,.18); color: #fff; }
#nav .code { flex: 0 0 30px; font: 600 12px var(--mono); color: #d98a3d; } #nav .t { flex: 1; }
#nav .tick { color: #5fc193; } #nav .pc { font-size: 11px; opacity: .7; }
.nav-label { margin: 18px 10px 6px; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; opacity: .55; }
.nav-user { margin: 24px 10px 0; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.1); font-size: 13px; }
main { padding: 28px clamp(16px, 4vw, 48px) 80px; max-width: 1180px; width: 100%; outline: none; }
@media (max-width: 860px) {
  .shell { grid-template-columns: minmax(0, 1fr); background: none; } #menu { display: inline-flex; } .hide-sm { display: none; }
  #nav { position: fixed; inset: 56px 30% 0 0; z-index: 30; transform: translateX(-102%); transition: transform .2s; }
  body.nav-open #nav { transform: none; box-shadow: 0 0 0 100vmax rgba(0,0,0,.35); }
}

/* components */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 16px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); font: 600 14px var(--sans); text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.15); } .btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); } .btn.ghost:hover { border-color: var(--ink); }
.btn.sm { padding: 6px 12px; font-size: 13px; }
.icon-btn { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 16px; padding: 4px 8px; border-radius: 6px; } .icon-btn:hover { background: var(--accent-soft); color: var(--bad); }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 600; }
.pill.good { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good); }
.banner { padding: 12px 16px; border-radius: var(--radius); background: var(--accent-soft); margin: 12px 0; font-size: 14px; } .banner.warn { border-left: 4px solid var(--amber); }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 500; color: var(--ink-2); margin-bottom: 12px; }
.field.inline { flex-direction: row; align-items: center; gap: 8px; margin: 0; }
input, select, textarea { font: 14px var(--sans); color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
.field.inline input { width: 130px; }
textarea { resize: vertical; line-height: 1.5; } textarea#draft { font-family: var(--mono); font-size: 13px; }
input:focus, select:focus, textarea:focus, .btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.search { max-width: 360px; margin-bottom: 16px; }
.flash { position: fixed; bottom: 20px; left: 50%; transform: translate(-50%, 40px); opacity: 0; background: var(--ink); color: var(--paper); padding: 8px 16px; border-radius: 999px; font-size: 13px; transition: .2s; z-index: 50; }
.flash.show { opacity: 1; transform: translate(-50%, 0); } .flash.bad { background: var(--bad); }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 8px; } .crumbs a { color: var(--muted); }
.section-h { font-size: 20px; margin-top: 32px; }

/* dashboard */
.hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(220px, 1fr); gap: 28px; align-items: end; padding: 28px; border-radius: 18px; background: linear-gradient(135deg, var(--card), var(--accent-soft)); border: 1px solid var(--line); }
.stat-col { display: grid; gap: 10px; }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 14px 0; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.stat b { display: block; font: 650 22px var(--serif); } .stat span { font-size: 12px; color: var(--muted); }
.stat.bad b { color: var(--bad); } .stat.good b { color: var(--good); }
.path { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.mod-card { display: flex; gap: 14px; align-items: flex-start; padding: 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: inherit; box-shadow: var(--shadow); transition: transform .15s, border-color .15s; }
.mod-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.mod-card p { font-size: 14px; color: var(--ink-2); margin: 4px 0 8px; } .mod-card h3 { font-size: 17px; }
.mod-card.capstone { grid-column: 1 / -1; background: var(--ink); color: var(--paper); border-color: var(--ink); }
.mod-card.capstone p { color: color-mix(in srgb, var(--paper) 80%, transparent); } .mod-card.capstone .eyebrow { color: #e3a05e; }
.star { font-size: 32px; color: #e3a05e; }
.ring { flex: 0 0 auto; } .ring text { font: 600 10px var(--sans); fill: var(--ink); }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; } .path { grid-template-columns: 1fr; } }

/* module / lesson */
.mod-head { border-bottom: 1px solid var(--line); padding-bottom: 16px; margin-bottom: 8px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; margin-top: 20px; align-items: start; }
.two-col aside { position: sticky; top: 76px; } @media (max-width: 1000px) { .two-col { grid-template-columns: 1fr; } .two-col aside { position: static; } }
.objectives li { margin-bottom: 6px; }
.lesson-list { list-style: none; padding: 0; counter-reset: l; }
.lesson-list li { counter-increment: l; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; background: var(--card); }
.lesson-list a { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; text-decoration: none; color: var(--ink); }
.lesson-list a::before { content: counter(l); font: 600 13px var(--mono); color: var(--accent); width: 20px; }
.lesson-list a span:first-of-type { flex: 1; } .lesson-list li.done { border-color: color-mix(in srgb, var(--good) 40%, var(--line)); }
.lesson-list li.done a::before { content: "✓"; color: var(--good); }
ul.plain { list-style: none; padding: 0; margin: 0; } ul.plain li { padding: 6px 0; border-bottom: 1px dashed var(--line); } ul.plain li:last-child { border: 0; }
.lesson { max-width: 820px; }
.prose { font-size: 16.5px; } .prose p, .prose li { max-width: 72ch; } .prose li { margin-bottom: 6px; }
.callout { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: 12px 16px; border-radius: 0 10px 10px 0; margin: 18px 0; }
.callout.warn { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 8%, var(--card)); }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; margin: 14px 0; background: var(--card); }
.tbl th, .tbl td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.tbl th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.prose .tbl { display: block; overflow-x: auto; }
.phase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 18px 0; } @media (max-width: 760px) { .phase-grid { grid-template-columns: 1fr; } }
.phase { background: var(--card); border: 1px solid var(--line); border-top: 4px solid var(--accent); border-radius: 10px; padding: 14px; font-size: 14px; }
.phase h4 { margin: 6px 0; font-family: var(--serif); font-size: 18px; } .phase-tag { font: 600 12px var(--mono); color: var(--accent); }
.phase .exit { font-size: 13px; color: var(--ink-2); border-top: 1px dashed var(--line); padding-top: 8px; }
.kc { margin-top: 28px; border-left: 4px solid var(--ink); } .kc .q { font-weight: 600; }
.opts { display: grid; gap: 8px; } .opt { text-align: left; padding: 10px 14px; border: 1px solid var(--line); background: var(--paper); border-radius: 8px; font: 14px var(--sans); color: var(--ink); cursor: pointer; }
.opt:hover:not(:disabled) { border-color: var(--ink); } .opt.right { border-color: var(--good); background: color-mix(in srgb, var(--good) 12%, var(--card)); } .opt.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, var(--card)); }
.why { font-size: 14px; color: var(--ink-2); margin-top: 10px; }
.lesson-foot { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); }

/* quiz */
fieldset.q { border: 1px solid var(--line); } fieldset.q legend { font-weight: 600; padding: 0 6px; display: flex; gap: 10px; }
.qn { font: 600 13px var(--mono); color: var(--accent); }
.radio { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border-radius: 8px; cursor: pointer; } .radio input { width: auto; margin-top: 5px; }
.radio:hover { background: var(--paper); } fieldset.right { border-color: var(--good); } fieldset.wrong { border-color: var(--bad); }
.radio.answer { background: color-mix(in srgb, var(--good) 12%, transparent); }
.result.pass { border-left: 6px solid var(--good); } .result.fail { border-left: 6px solid var(--bad); }

/* tools */
.tool-card { border: 1px solid var(--line); border-radius: 14px; background: var(--card); margin: 28px 0; box-shadow: var(--shadow); overflow: hidden; }
.tool-head { display: flex; justify-content: space-between; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--line); background: linear-gradient(90deg, var(--accent-soft), transparent); }
.tool-head p { margin: 0; font-size: 14px; } .tool-head .btn { align-self: flex-start; flex: 0 0 auto; } .tool-body { padding: 18px 20px; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.tool-tile { text-decoration: none; color: inherit; } .tool-tile:hover { border-color: var(--accent); }
.grid-wrap { overflow-x: auto; margin: 10px 0; border: 1px solid var(--line); border-radius: 10px; }
.grid { border-collapse: collapse; width: 100%; font-size: 13px; }
.grid th { background: var(--paper); text-align: left; padding: 8px; font-size: 11.5px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); white-space: nowrap; border-bottom: 1px solid var(--line); }
.grid td { padding: 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
.grid input, .grid select, .grid textarea { padding: 6px 8px; font-size: 13px; min-width: 70px; }
.grid input[type=text], .grid textarea { min-width: 140px; } .grid input[type=number] { min-width: 104px; } .grid select { min-width: 104px; }
.grid input[type=checkbox] { width: auto; min-width: 0; }
.grid td.computed { white-space: nowrap; padding: 10px 8px; font-variant-numeric: tabular-nums; }
.grid tr.sub th { background: var(--accent-soft); color: var(--accent); }
.grid tr.total td, .grid tr.total th { font: 650 16px var(--serif); padding: 10px 8px; } .grid td.best { color: var(--good); }
.grid.summary td { padding: 8px; }
.grid.raci select { min-width: 54px; text-align: center; font-weight: 600; }
.raci-A { background: color-mix(in srgb, var(--accent) 22%, var(--card)); } .raci-R { background: color-mix(in srgb, var(--good) 15%, var(--card)); } .raci-C { background: color-mix(in srgb, var(--amber) 12%, var(--card)); }
.matrix select { font-weight: 700; } .p-P1 { background: color-mix(in srgb, var(--bad) 25%, var(--card)); } .p-P2 { background: color-mix(in srgb, var(--accent) 20%, var(--card)); } .p-P3 { background: color-mix(in srgb, var(--amber) 14%, var(--card)); }
.checks { list-style: none; padding: 10px 14px; margin: 12px 0; border-radius: 10px; background: var(--paper); font-size: 13.5px; }
.checks li { padding: 3px 0; } .checks li.error { color: var(--bad); } .checks li.warn { color: var(--amber); } .checks.ok { color: var(--good); }
.rag { display: inline-block; padding: 2px 8px; border-radius: 6px; font-weight: 600; font-size: 12px; }
.rag.good { background: color-mix(in srgb, var(--good) 16%, transparent); color: var(--good); } .rag.amber { background: color-mix(in srgb, var(--amber) 18%, transparent); color: var(--amber); } .rag.bad { background: color-mix(in srgb, var(--bad) 16%, transparent); color: var(--bad); }
.gate { display: inline-flex; gap: 6px; align-items: center; font-weight: 600; font-size: 12px; } .gate.ok { color: var(--good); } .gate.no { color: var(--bad); } .gate input { width: auto; }
.meter { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; margin-top: 8px; } .meter div { height: 100%; background: var(--accent); transition: width .3s; }
details.smp { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin: 8px 0; background: var(--paper); }
details.smp summary { cursor: pointer; display: flex; justify-content: space-between; gap: 12px; font-weight: 600; } .wc { font: 12px var(--mono); color: var(--muted); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; } @media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.plot svg, svg.chart { width: 100%; max-width: 420px; height: auto; } .plot .q, .plot .ax, svg .ax { font-size: 9px; fill: var(--muted); } .plot .lbl { font-size: 10px; fill: var(--ink); }
.legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; margin-top: 6px; } .legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--c); margin-right: 5px; vertical-align: -1px; }
.drill li { margin-bottom: 14px; } .chip { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 4px 14px; font: 600 13px var(--sans); color: var(--ink); cursor: pointer; } .chip.right { background: var(--good); color: #fff; border-color: var(--good); } .chip.wrong { background: var(--bad); color: #fff; border-color: var(--bad); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 14px; }
.recs li, .notes li { margin-bottom: 8px; }
.bars { display: grid; gap: 10px; margin-top: 14px; } .bar-row { display: grid; grid-template-columns: minmax(140px, 220px) 1fr auto; gap: 10px; align-items: center; font-size: 14px; }
.bar-row .small { grid-column: 2 / -1; margin-top: -6px; } .bar { height: 14px; background: var(--line); border-radius: 99px; overflow: hidden; } .bar div { height: 100%; background: var(--ink-2); } .bar div.best { background: var(--good); }
@media (max-width: 600px) { .bar-row { grid-template-columns: 1fr auto; } .bar-row .bar { grid-column: 1 / -1; } }
.gantt { display: grid; gap: 6px; margin-top: 12px; } .g-row { display: grid; grid-template-columns: minmax(150px, 260px) 1fr; gap: 4px 12px; align-items: center; font-size: 13px; }
.g-row small { grid-column: 2; color: var(--muted); font-size: 11px; margin-top: -4px; } .g-track { position: relative; height: 16px; background: var(--paper); border-radius: 4px; }
.g-bar { position: absolute; top: 2px; bottom: 2px; background: var(--accent); border-radius: 3px; } .g-today, .g-notice { position: absolute; top: -3px; bottom: -3px; width: 2px; } .g-today, .key.today { background: var(--ink); } .g-notice, .key.notice { background: var(--bad); }
.key { display: inline-block; width: 10px; height: 10px; vertical-align: -1px; }
@media (max-width: 600px) { .g-row { grid-template-columns: 1fr; } .g-row small { grid-column: 1; } }
.heat { border-collapse: separate; border-spacing: 3px; } .heat th { font-size: 11px; color: var(--muted); padding: 2px 4px; }
.hm { width: 44px; height: 36px; border-radius: 6px; font-size: 10px; text-align: center; vertical-align: middle; } .hm.good { background: color-mix(in srgb, var(--good) 22%, var(--card)); } .hm.amber { background: color-mix(in srgb, var(--amber) 28%, var(--card)); } .hm.bad { background: color-mix(in srgb, var(--bad) 30%, var(--card)); }
.hm span { display: inline-block; margin: 1px; font-weight: 700; }

/* capstone */
.capstone-head { background: var(--ink); color: var(--paper); padding: 28px; border-radius: 18px; border: 0; } .capstone-head .lede { color: color-mix(in srgb, var(--paper) 82%, transparent); } .capstone-head .eyebrow { color: #e3a05e; }
.dl { display: grid; grid-template-columns: 120px 1fr; gap: 8px 16px; font-size: 14px; } .dl dt { font-weight: 600; color: var(--muted); } .dl dd { margin: 0; }
@media (max-width: 600px) { .dl { grid-template-columns: 1fr; } .dl dd { margin-bottom: 8px; } }
.people { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; } .person { padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }
.person b { display: block; } .person p { font-size: 13.5px; margin: 6px 0 0; }
.inject { border-left: 4px solid var(--bad); padding: 6px 0 6px 14px; margin: 12px 0; }
.deliv { padding-left: 20px; } .deliv li { margin-bottom: 10px; } .deliv li span { display: block; } .deliv li.done a::after { content: " ✓"; color: var(--good); }
.sub .row { margin-bottom: 8px; } .feedback { border-top: 1px solid var(--line); margin-top: 12px; padding-top: 12px; }
pre.sub-text { white-space: pre-wrap; font: 13px/1.5 var(--mono); background: var(--paper); padding: 14px; border-radius: 10px; max-height: 480px; overflow: auto; }
.glossary div { padding: 10px 0; border-bottom: 1px solid var(--line); } .glossary dt { font-weight: 600; } .glossary dd { margin: 2px 0 0; color: var(--ink-2); }
.onboard { max-width: 620px; margin: 4vh auto; } .onboard h1 { font-size: clamp(34px, 6vw, 52px); }
@media print { #nav, .topbar, .btn, .tool-head button { display: none !important; } .shell { display: block; } }

.grid.matrix select, .grid.raci select { min-width: 60px; }