/* ==========================================================================
   Entra Agent ID Academy — Clawpilot themed stylesheet
   Light/dark theme, microsite layout, print/PDF support.
   ========================================================================== */

:root {
  color-scheme: light;
  --cp-bg: #f7f4ef;
  --cp-bg-elevated: #fcfbf8;
  --cp-surface: #ffffff;
  --cp-surface-soft: #f5f5f5;
  --cp-border: #dedede;
  --cp-border-strong: #919191;
  --cp-text: #242424;
  --cp-text-muted: #5c5c5c;
  --cp-text-soft: #6f6f6f;
  --cp-accent: #b11f4b;
  --cp-accent-hover: #9a1a41;
  --cp-accent-soft: rgba(177, 31, 75, 0.08);
  --cp-accent-fg: #ffffff;
  --cp-success: #16a34a;
  --cp-danger: #dc2626;
  --cp-warning: #f59e0b;
  --cp-link: #0078d4;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
  --cp-overlay: rgba(255, 255, 255, 0.8);
  --cp-panel: rgba(255, 255, 255, 0.86);
  --cp-panel-strong: rgba(255, 255, 255, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.55);
  --cp-highlight: rgba(177, 31, 75, 0.12);

  --font-sans: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: Consolas, "Courier New", Courier, monospace;
  --radius: 0.625rem;
  --radius-card: 16px;
  --card-shadow: 0 0 2px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.14);
  --sidebar-w: 320px;
  --maxw: 980px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --cp-bg: #3d3b3a;
  --cp-bg-elevated: #343231;
  --cp-surface: #292929;
  --cp-surface-soft: #2e2e2e;
  --cp-border: #474747;
  --cp-border-strong: #5f5f5f;
  --cp-text: #dedede;
  --cp-text-muted: #919191;
  --cp-text-soft: #b0b0b0;
  --cp-accent: #fd8ea1;
  --cp-accent-hover: #fb7b91;
  --cp-accent-soft: rgba(253, 142, 161, 0.14);
  --cp-accent-fg: #1a1a1a;
  --cp-success: #4ade80;
  --cp-danger: #f87171;
  --cp-warning: #fbbf24;
  --cp-link: #4da6ff;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  --cp-overlay: rgba(41, 41, 41, 0.88);
  --cp-panel: rgba(41, 41, 41, 0.72);
  --cp-panel-strong: rgba(41, 41, 41, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.04);
  --cp-highlight: rgba(253, 142, 161, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--cp-bg);
  color: var(--cp-text);
  line-height: 1.62;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cp-link); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, kbd { font-family: var(--font-mono); }

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

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--cp-bg-elevated);
  border-right: 1px solid var(--cp-border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 22px 18px 40px;
}

.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.brand-mark {
  width: 42px; height: 42px; flex: 0 0 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cp-accent), var(--cp-accent-hover));
  color: var(--cp-accent-fg);
  display: grid; place-items: center;
  font-weight: 700; font-size: 18px; letter-spacing: -0.5px;
  box-shadow: var(--card-shadow);
}
.brand-title { font-weight: 700; font-size: 15px; line-height: 1.2; }
.brand-sub { font-size: 12px; color: var(--cp-text-muted); }

.progress-wrap { margin: 16px 2px 18px; }
.progress-label { display: flex; justify-content: space-between; font-size: 12px; color: var(--cp-text-muted); margin-bottom: 6px; }
.progress-bar { height: 8px; background: var(--cp-surface-soft); border-radius: 999px; overflow: hidden; border: 1px solid var(--cp-border); }
.progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--cp-accent), var(--cp-accent-hover)); transition: width .4s ease; }

.nav-section-title {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--cp-text-soft); margin: 18px 6px 8px; font-weight: 700;
}

.nav { list-style: none; margin: 0; padding: 0; }
.nav li { margin: 2px 0; }
.nav a.nav-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius);
  color: var(--cp-text); text-decoration: none; font-size: 13.5px;
  border: 1px solid transparent; transition: background .15s, border-color .15s;
}
.nav a.nav-item:hover { background: var(--cp-accent-soft); text-decoration: none; }
.nav a.nav-item.active { background: var(--cp-accent-soft); border-color: var(--cp-accent); font-weight: 600; }
.nav-num {
  flex: 0 0 26px; width: 26px; height: 22px; border-radius: 6px;
  background: var(--cp-surface-soft); border: 1px solid var(--cp-border);
  display: grid; place-items: center; font-size: 11px; font-weight: 700; color: var(--cp-text-muted);
}
.nav a.nav-item.active .nav-num { background: var(--cp-accent); color: var(--cp-accent-fg); border-color: var(--cp-accent); }
.nav-item .done-dot { margin-left: auto; color: var(--cp-success); font-weight: 700; opacity: 0; }
.nav-item.completed .done-dot { opacity: 1; }

.sidebar-foot { margin-top: 22px; font-size: 11px; color: var(--cp-text-soft); border-top: 1px solid var(--cp-border); padding-top: 14px; }

/* ---------- Main content ---------- */
.main { flex: 1 1 auto; min-width: 0; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 26px;
  background: var(--cp-panel);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cp-border);
}
.topbar .crumb { font-size: 13px; color: var(--cp-text-muted); }
.topbar .spacer { flex: 1; }

.btn {
  appearance: none; cursor: pointer; font-family: inherit; font-size: 13px;
  border: 1px solid var(--cp-border-strong); background: var(--cp-surface); color: var(--cp-text);
  padding: 7px 13px; border-radius: var(--radius); display: inline-flex; align-items: center; gap: 7px;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: var(--cp-accent-soft); border-color: var(--cp-accent); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--cp-accent); color: var(--cp-accent-fg); border-color: var(--cp-accent); }
.btn-primary:hover { background: var(--cp-accent-hover); border-color: var(--cp-accent-hover); }
.btn-ghost { border-color: transparent; background: transparent; }
.icon-btn { padding: 7px 10px; }

.content { max-width: var(--maxw); margin: 0 auto; padding: 34px 30px 90px; }

/* ---------- Hero / landing ---------- */
.hero { padding: 12px 4px 8px; }
.hero h1 { font-size: 34px; line-height: 1.15; margin: 6px 0 10px; letter-spacing: -0.5px; }
.hero .lede { font-size: 17px; color: var(--cp-text-muted); max-width: 760px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--cp-accent); }

.stat-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0 8px; }
.stat {
  flex: 1 1 150px; background: var(--cp-surface); border: 1px solid var(--cp-border);
  border-radius: var(--radius-card); padding: 16px 18px; box-shadow: var(--card-shadow);
}
.stat .n { font-size: 26px; font-weight: 800; color: var(--cp-accent); letter-spacing: -0.5px; }
.stat .l { font-size: 12.5px; color: var(--cp-text-muted); }

.module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; margin-top: 22px; }
.mod-card {
  background: var(--cp-surface); border: 1px solid var(--cp-border); border-radius: var(--radius-card);
  padding: 18px; box-shadow: var(--card-shadow); cursor: pointer; transition: transform .12s, border-color .15s, box-shadow .15s;
  display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: var(--cp-text);
}
.mod-card:hover { transform: translateY(-2px); border-color: var(--cp-accent); box-shadow: var(--cp-shadow); text-decoration: none; }
.mod-card .top { display: flex; align-items: center; gap: 10px; }
.mod-badge {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: var(--cp-accent-soft); color: var(--cp-accent); font-weight: 800; font-size: 14px;
  border: 1px solid var(--cp-accent);
}
.mod-track { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--cp-text-soft); font-weight: 700; }
.mod-card h3 { margin: 2px 0; font-size: 16px; }
.mod-card p { margin: 0; font-size: 13.5px; color: var(--cp-text-muted); }
.mod-meta { margin-top: auto; display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--cp-text-soft); padding-top: 8px; }
.pill { font-size: 11px; padding: 2px 9px; border-radius: 999px; background: var(--cp-surface-soft); border: 1px solid var(--cp-border); color: var(--cp-text-muted); }
.pill.ok { color: var(--cp-success); border-color: var(--cp-success); background: transparent; }

/* ---------- Module page ---------- */
.module-head { border-bottom: 1px solid var(--cp-border); padding-bottom: 16px; margin-bottom: 6px; }
.module-head .eyebrow { margin-bottom: 8px; }
.module-head h1 { font-size: 28px; margin: 4px 0 8px; letter-spacing: -0.5px; }
.module-head .meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.section { margin: 30px 0; }
.section > h2 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 1.4px; color: var(--cp-accent);
  font-weight: 800; margin: 0 0 4px;
}
.section > .section-sub { font-size: 13px; color: var(--cp-text-soft); margin: 0 0 14px; }
.prose h3 { font-size: 19px; margin: 24px 0 8px; }
.prose h4 { font-size: 15.5px; margin: 18px 0 6px; color: var(--cp-text); }
.prose p { margin: 10px 0; }
.prose ul, .prose ol { margin: 10px 0; padding-left: 22px; }
.prose li { margin: 5px 0; }
.prose strong { color: var(--cp-text); }

.gain-card {
  background: linear-gradient(180deg, var(--cp-accent-soft), transparent);
  border: 1px solid var(--cp-accent); border-radius: var(--radius-card);
  padding: 18px 20px;
}
.gain-card h2 { color: var(--cp-accent); margin-top: 0; }
.gain-list { list-style: none; margin: 8px 0 0; padding: 0; }
.gain-list li { padding: 6px 0 6px 28px; position: relative; }
.gain-list li::before { content: "✓"; position: absolute; left: 0; top: 6px; color: var(--cp-accent); font-weight: 800; }

.level-tag { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 1px; padding: 3px 9px; border-radius: 6px; margin-bottom: 6px; }
.level-200 { background: rgba(0,120,212,0.12); color: var(--cp-link); border: 1px solid var(--cp-link); }
.level-400 { background: var(--cp-accent-soft); color: var(--cp-accent); border: 1px solid var(--cp-accent); }

/* callouts */
.callout { border-radius: var(--radius); padding: 13px 16px; margin: 16px 0; border: 1px solid var(--cp-border); background: var(--cp-surface); font-size: 14px; }
.callout .c-title { font-weight: 700; display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
.callout.tip { border-left: 4px solid var(--cp-success); }
.callout.tip .c-title { color: var(--cp-success); }
.callout.warn { border-left: 4px solid var(--cp-warning); }
.callout.warn .c-title { color: var(--cp-warning); }
.callout.danger { border-left: 4px solid var(--cp-danger); }
.callout.danger .c-title { color: var(--cp-danger); }
.callout.info { border-left: 4px solid var(--cp-link); }
.callout.info .c-title { color: var(--cp-link); }

/* tables */
.tbl-wrap { overflow-x: auto; margin: 16px 0; border: 1px solid var(--cp-border); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
thead th { background: var(--cp-surface-soft); text-align: left; padding: 10px 12px; border-bottom: 2px solid var(--cp-border); font-size: 12.5px; }
tbody td { padding: 9px 12px; border-bottom: 1px solid var(--cp-border); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--cp-accent-soft); }

/* code */
pre {
  background: var(--cp-bg-elevated); border: 1px solid var(--cp-border); border-radius: var(--radius);
  padding: 14px 16px; overflow-x: auto; font-size: 13px; line-height: 1.5; margin: 14px 0;
}
:not(pre) > code {
  background: var(--cp-surface-soft); border: 1px solid var(--cp-border); border-radius: 5px;
  padding: 1px 6px; font-size: 0.88em;
}
pre code { background: none; border: none; padding: 0; }
.code-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--cp-text-soft); margin: 16px 0 -8px; font-weight: 700; }

/* recap */
.recap-card { background: var(--cp-surface); border: 1px solid var(--cp-border); border-radius: var(--radius-card); padding: 18px 20px; box-shadow: var(--card-shadow); }
.recap-list { list-style: none; margin: 6px 0 0; padding: 0; counter-reset: recap; }
.recap-list li { position: relative; padding: 8px 0 8px 38px; border-bottom: 1px dashed var(--cp-border); }
.recap-list li:last-child { border-bottom: none; }
.recap-list li::before {
  counter-increment: recap; content: counter(recap);
  position: absolute; left: 0; top: 8px; width: 24px; height: 24px; border-radius: 7px;
  background: var(--cp-accent-soft); color: var(--cp-accent); border: 1px solid var(--cp-accent);
  display: grid; place-items: center; font-size: 12px; font-weight: 800;
}

/* ---------- Knowledge check ---------- */
.quiz { background: var(--cp-surface); border: 1px solid var(--cp-border); border-radius: var(--radius-card); padding: 20px 22px; box-shadow: var(--card-shadow); }
.quiz-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.quiz-head h2 { margin: 0; color: var(--cp-accent); }
.q { padding: 16px 0; border-bottom: 1px solid var(--cp-border); }
.q:last-of-type { border-bottom: none; }
.q .q-text { font-weight: 600; margin-bottom: 10px; }
.q .q-num { color: var(--cp-accent); font-weight: 800; margin-right: 6px; }
.opt {
  display: flex; align-items: flex-start; gap: 10px; padding: 9px 12px; margin: 6px 0;
  border: 1px solid var(--cp-border); border-radius: var(--radius); cursor: pointer; transition: background .12s, border-color .12s;
  font-size: 14px;
}
.opt:hover { background: var(--cp-accent-soft); }
.opt input { margin-top: 3px; }
.opt.correct { border-color: var(--cp-success); background: rgba(22,163,74,0.10); }
.opt.incorrect { border-color: var(--cp-danger); background: rgba(220,38,38,0.10); }
.opt.disabled { cursor: default; opacity: 0.85; }
.q-feedback { font-size: 13px; margin-top: 8px; padding: 10px 12px; border-radius: var(--radius); display: none; }
.q-feedback.show { display: block; }
.q-feedback.right { background: rgba(22,163,74,0.10); border: 1px solid var(--cp-success); color: var(--cp-text); }
.q-feedback.wrong { background: rgba(220,38,38,0.10); border: 1px solid var(--cp-danger); color: var(--cp-text); }
.quiz-actions { margin-top: 18px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.score-badge { font-weight: 800; font-size: 15px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--cp-border); }
.score-badge.pass { color: var(--cp-success); border-color: var(--cp-success); }
.score-badge.fail { color: var(--cp-danger); border-color: var(--cp-danger); }

/* module footer nav */
.module-foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--cp-border); }
.foot-link { flex: 1 1 0; padding: 14px 16px; border: 1px solid var(--cp-border); border-radius: var(--radius-card); background: var(--cp-surface); text-decoration: none; color: var(--cp-text); transition: border-color .15s, background .15s; }
.foot-link:hover { border-color: var(--cp-accent); background: var(--cp-accent-soft); text-decoration: none; }
.foot-link.next { text-align: right; }
.foot-link .dir { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--cp-text-soft); }
.foot-link .t { font-weight: 600; }
.foot-link.disabled { opacity: 0.4; pointer-events: none; }

/* diagram */
.diagram { background: var(--cp-bg-elevated); border: 1px solid var(--cp-border); border-radius: var(--radius); padding: 18px; margin: 16px 0; font-family: var(--font-mono); font-size: 13px; white-space: pre; overflow-x: auto; color: var(--cp-text); line-height: 1.5; }

.mobile-toggle { display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; z-index: 60; transform: translateX(-100%); transition: transform .22s; box-shadow: var(--cp-shadow); }
  .sidebar.open { transform: translateX(0); }
  .mobile-toggle { display: inline-flex; }
  .content { padding: 24px 18px 80px; }
  .hero h1 { font-size: 27px; }
  .scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 55; }
  .scrim.show { display: block; }
}

/* ---------- Print / PDF ---------- */
@media print {
  .sidebar, .topbar, .module-foot, .mobile-toggle, .scrim, .quiz-actions .btn, .no-print { display: none !important; }
  body { background: #fff; color: #000; font-size: 11.5pt; }
  .layout { display: block; }
  .content { max-width: 100%; padding: 0; margin: 0; }
  .mod-card, .stat, .quiz, .recap-card, .gain-card, .callout { box-shadow: none; break-inside: avoid; }
  .q { break-inside: avoid; }
  .section { margin: 16px 0; }
  a { color: #000; text-decoration: none; }
  .section a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; color: #333; word-break: break-all; }
  pre, .diagram { white-space: pre-wrap; word-break: break-word; border: 1px solid #bbb; }
  .opt.correct { outline: 2px solid #000; }
  thead th { background: #eee; }
  @page { margin: 18mm 14mm; }
}