/* coLearn-AI Workshop 2026 — CCSC:MW
   Theme: Kenyon purple + clean workshop layout
*/

:root {
  --kenyon:       #4B2682;
  --kenyon-light: #6B4BA0;
  --kenyon-dark:  #2D1550;
  --gold:         #C5A028;
  --teal:         #2E8B8B;
  --green:        #2A7A3B;
  --amber:        #C47A1E;
  --red-flag:     #B03030;
  --bg:           #F7F5FB;
  --card:         #FFFFFF;
  --text:         #1A1A2E;
  --muted:        #666680;
  --border:       #DDD8F0;
  --code-bg:      #1E1E2E;
  --code-text:    #CDD6F4;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

/* ── NAV ── */
nav {
  background: var(--kenyon);
  color: white;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

nav .brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: white;
}
nav .brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
nav .brand-logo {
  height: 28px;
  width: auto;
  display: block;
}

nav .nav-links {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

nav .nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}

nav .nav-links a:hover,
nav .nav-links a.active {
  background: rgba(255,255,255,0.18);
  color: white;
}

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--kenyon-dark) 0%, var(--kenyon) 60%, var(--kenyon-light) 100%);
  color: white;
  padding: 4rem 2rem 3.5rem;
  text-align: center;
}

.hero .tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero .subtitle {
  font-size: 1.1rem;
  opacity: 0.88;
  max-width: 620px;
  margin: 0 auto 1.6rem;
}

.hero .meta {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 0.5rem;
}

/* ── LAYOUT ── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.container-wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* ── SECTION HEADERS ── */
.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.section-header .badge {
  background: var(--kenyon);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  white-space: nowrap;
}

.section-header .time {
  background: var(--gold);
  color: #2A1800;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  white-space: nowrap;
}

h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--kenyon-dark);
  line-height: 1.25;
}

h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--kenyon);
  margin-top: 1.75rem;
  margin-bottom: 0.6rem;
}

h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.4rem;
}

p { margin-bottom: 0.9rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--kenyon); }
a:hover { color: var(--kenyon-light); }

ul, ol {
  padding-left: 1.4rem;
  margin-bottom: 0.9rem;
}

li { margin-bottom: 0.35rem; }

/* ── CARDS ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card.accent-purple { border-left: 4px solid var(--kenyon); }
.card.accent-teal   { border-left: 4px solid var(--teal); }
.card.accent-gold   { border-left: 4px solid var(--gold); }
.card.accent-green  { border-left: 4px solid var(--green); }
.card.accent-red    { border-left: 4px solid var(--red-flag); }

/* ── AGENDA TIMELINE ── */
.agenda {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.agenda li {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.agenda li:last-child { border-bottom: none; }

.agenda .time-col {
  min-width: 80px;
  font-weight: 700;
  color: var(--kenyon);
  font-size: 0.85rem;
  padding-top: 0.15rem;
}

.agenda .dur {
  min-width: 60px;
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.15rem 0.5rem;
  height: fit-content;
  margin-top: 0.15rem;
  text-align: center;
}

.agenda .label { flex: 1; }
.agenda .label strong { display: block; font-size: 1rem; margin-bottom: 0.2rem; }
.agenda .label span { font-size: 0.88rem; color: var(--muted); }

.agenda li.break-row { background: #FFF8E6; border-radius: 6px; padding: 0.75rem 1rem; }

/* ── ROLE CARDS ── */
.roles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem;
  margin: 1rem 0 1.5rem;
}

.role-card {
  border-radius: 10px;
  padding: 1.1rem;
  text-align: center;
}

.role-card .role-icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.role-card h4 { margin-bottom: 0.35rem; font-size: 0.95rem; }
.role-card p { font-size: 0.83rem; margin: 0; }

.role-facilitator   { background: #E8F5EE; border: 1px solid #A8D8B8; }
.role-spokesperson  { background: #E4F0FB; border: 1px solid #90C0E8; }
.role-quality       { background: #F0E8F8; border: 1px solid #C09AE0; }
.role-analyst       { background: #FFF4E0; border: 1px solid #E0C070; }

/* ── SCAFFOLDING BOXES ── */
.scaffold-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.scaffold-box {
  border-radius: 10px;
  padding: 1.25rem;
}

.scaffold-accept { background: #E8F5EE; border: 2px solid var(--green); }
.scaffold-nudge  { background: #EDE5F8; border: 2px solid var(--kenyon); }
.scaffold-flag   { background: #FFF0D4; border: 2px solid var(--amber); }

.scaffold-box .s-label {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.scaffold-box .s-code {
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  background: rgba(0,0,0,0.07);
  padding: 0.5rem 0.7rem;
  border-radius: 5px;
  margin: 0.5rem 0;
}

.scaffold-box p { font-size: 0.85rem; margin: 0; }

.scaffold-box .s-sub {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #6b7280;
  margin: 0.6rem 0 0.2rem;
}
.scaffold-box .s-why {
  font-size: 0.8rem;
  font-style: italic;
  color: #4b5563;
  margin: 0.5rem 0 0;
  padding-top: 0.4rem;
  border-top: 1px solid rgba(0,0,0,0.08);
}
.s-submitted {
  background: rgba(0,0,0,0.06);
  font-weight: 600;
}
.s-response {
  background: rgba(255,255,255,0.55);
  font-style: normal;
  line-height: 1.5;
}
.s-code code {
  font-family: inherit;
  font-weight: 600;
}

/* scaffold scenario framing card */
.scaffold-scenario {
  background: #f8f7ff;
  border: 2px solid #c4b5fd;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 0 0 1rem;
}
.sc-question-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--kenyon);
  margin-bottom: 0.4rem;
}
.sc-question-text {
  font-size: 1rem;
  font-weight: 600;
  color: #1f1935;
  margin-bottom: 0.75rem;
  line-height: 1.45;
}
.sc-code-starter {
  background: #1e1e2e;
  color: #cdd6f4;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  border-radius: 7px;
  padding: 0.65rem 0.9rem;
  line-height: 1.7;
}
.sc-hint {
  display: block;
  font-size: 0.72rem;
  color: #89b4fa;
  margin-bottom: 0.3rem;
  font-style: italic;
  font-family: inherit;
}
.sc-blank {
  background: rgba(255,255,255,0.15);
  border-bottom: 2px dashed #89b4fa;
  padding: 0 0.3em;
  color: #89b4fa;
  font-style: italic;
}

/* ── LAYERS ── */
.layers {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
}

.layers li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 0.6rem;
}

.layer-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.l0 { background: #2A2A3A; color: white; }
.l1 { background: var(--teal); color: white; }
.l2 { background: var(--kenyon); color: white; }
.l3 { background: var(--amber); color: white; }

.layer-body strong { display: block; margin-bottom: 0.2rem; }
.layer-body p { font-size: 0.88rem; color: var(--muted); margin: 0; }

.layer-0-bg { background: #F0F0F5; border: 1px solid #D0D0E0; }
.layer-1-bg { background: #E4F3F3; border: 1px solid #A0D8D8; }
.layer-2-bg { background: #EDE5F8; border: 1px solid #C0A0E0; }
.layer-3-bg { background: #FFF4E0; border: 1px solid #E0C070; }

/* ── CODE BLOCK ── */
.code-block {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
  margin: 0.75rem 0;
}

/* ── CALLOUT ── */
.callout {
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.2rem 0;
  font-size: 0.93rem;
}

.callout-purple { background: #EDE5F8; border-left: 4px solid var(--kenyon); }
.callout-teal   { background: #E4F3F3; border-left: 4px solid var(--teal); }
.callout-gold   { background: #FFF4E0; border-left: 4px solid var(--gold); }
.callout-green  { background: #E8F5EE; border-left: 4px solid var(--green); }

.callout strong { display: block; margin-bottom: 0.3rem; }

/* ── STEP LIST ── */
.steps {
  counter-reset: steps;
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
}

.steps li {
  counter-increment: steps;
  position: relative;
  padding: 0.85rem 0 0.85rem 2.75rem;
  border-bottom: 1px solid var(--border);
  margin: 0;
}

.steps li:last-child { border-bottom: none; }

.steps li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--kenyon);
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

/* ── OUTCOMES ── */
.outcomes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.9rem;
  margin: 1.2rem 0;
}

.outcome-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  font-size: 0.9rem;
}

.outcome-item .o-icon { font-size: 1.4rem; margin-bottom: 0.4rem; }

/* ── SECTION DIVIDER ── */
.section-divider {
  border: none;
  border-top: 2px solid var(--border);
  margin: 2.5rem 0;
}

/* ── BIG LINK BUTTON ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--kenyon);
  color: white;
}

.btn-primary:hover {
  background: var(--kenyon-light);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--kenyon);
  border: 2px solid var(--kenyon);
}

.btn-outline:hover {
  background: var(--kenyon);
  color: white;
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

/* ── TEMPLATE BOX ── */
.template-box {
  background: #F8F6FF;
  border: 1.5px dashed var(--kenyon);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 1rem 0;
  font-family: 'Courier New', monospace;
  font-size: 0.83rem;
  line-height: 1.7;
}

.template-box .placeholder {
  background: rgba(75, 38, 130, 0.12);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-style: italic;
  color: var(--kenyon-dark);
}

/* ── PAGE NAV ── */
.page-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  margin-top: 1rem;
  border-top: 2px solid var(--border);
}

.page-nav a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--kenyon);
  font-weight: 600;
  font-size: 0.9rem;
}

.page-nav a:hover { color: var(--kenyon-light); }

/* ── PART HEADER STRIPE ── */
.part-stripe {
  background: linear-gradient(90deg, var(--kenyon) 0%, var(--kenyon-light) 100%);
  color: white;
  padding: 2.5rem 2rem 2rem;
}

.part-stripe .part-num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 0.5rem;
}

.part-stripe h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.part-stripe .part-meta {
  font-size: 0.88rem;
  opacity: 0.8;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  nav { padding: 0 1rem; flex-wrap: wrap; gap: 0.25rem; min-height: auto; padding-bottom: 0.5rem; }
  nav .nav-links { gap: 0.1rem; }
  .hero { padding: 2.5rem 1rem 2rem; }
  .container, .container-wide { padding: 1.5rem 1rem; }
  .agenda li { flex-wrap: wrap; }
  .page-nav { flex-direction: column; gap: 0.75rem; }
}

/* ── EPISTEMIC TRACE ── */
.trace-patterns {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.trace-pattern {
  background: var(--card);
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1rem 1.25rem 0.75rem;
}

.tp-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.tp-label-green  { background: #d1fae5; color: #065f46; }
.tp-label-gold   { background: #fef3c7; color: #92400e; }
.tp-label-purple { background: #ede9fe; color: #4c1d95; }
.tp-label-red    { background: #fee2e2; color: #991b1b; }

.trace-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
}

.te {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.te-submit  { background: #dbeafe; color: #1e3a8a; }
.te-accept  { background: #d1fae5; color: #065f46; }
.te-nudge   { background: #fef3c7; color: #92400e; }
.te-flag    { background: #fee2e2; color: #991b1b; }
.te-predict { background: #ede9fe; color: #4c1d95; }
.te-run     { background: #f3f4f6; color: #374151; border: 1px solid #d1d5db; }

.te-text {
  line-height: 1.5;
  color: #374151;
}
.te-text code {
  background: #f3f4f6;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.9em;
}

.tp-note {
  font-size: 0.83rem;
  color: #6b7280;
  margin: 0.5rem 0 0;
  padding-top: 0.5rem;
  border-top: 1px solid #f3f4f6;
  font-style: italic;
}

/* trace comparison side-by-side */
.trace-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0 0;
}

.tc-group {
  background: var(--card);
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 0.9rem 1rem;
}

.tc-label {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--kenyon);
  margin-bottom: 0.65rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--kenyon);
}

@media (max-width: 640px) {
  .trace-compare { grid-template-columns: 1fr; }
}

/* ── SITE FOOTER ── */
.site-footer {
  background: #1e1e2e;
  color: #a6adc8;
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.83rem;
  margin-top: 3rem;
  line-height: 1.8;
}
.site-footer a {
  color: #89b4fa;
  text-decoration: none;
}
.site-footer a:hover {
  text-decoration: underline;
}
.site-footer .footer-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 0.9rem;
}
.site-footer .footer-logos img {
  height: 34px;
  width: auto;
  display: block;
  border-radius: 4px;
}
.site-footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

/* ---------- Markup reference tables & source listings (markup.html, part3.html) ---------- */
.ml-table { width:100%; border-collapse:collapse; font-size:0.88rem; margin:0.75rem 0 1.25rem; }
.ml-table th { background:#5b4fcf; color:#fff; text-align:left; padding:0.5rem 0.8rem; font-weight:600; font-size:0.82rem; letter-spacing:0.04em; }
.ml-table td { padding:0.45rem 0.8rem; border-bottom:1px solid #e8e4f8; vertical-align:top; }
.ml-table tr:nth-child(even) td { background:#f7f5ff; }
.ml-table code { font-family:'Courier New',monospace; font-size:0.82rem; color:#5b4fcf; }
.table-wrap { overflow-x:auto; }
.activity-source { background:#1e1e2e; color:#cdd6f4; font-family:'Courier New',monospace; font-size:0.8rem; line-height:1.65; padding:1.25rem 1.5rem; border-radius:10px; border:1px solid #313244; overflow-x:auto; white-space:pre; }
.ml-kw { color:#cba6f7; }
.ml-arg { color:#a6e3a1; }
.ml-str { color:#f38ba8; }
.toc { display:flex; flex-wrap:wrap; gap:0.4rem 0.6rem; margin:1rem 0 1.5rem; font-size:0.88rem; }
.toc a { padding:0.25rem 0.6rem; border:1px solid #e0daf8; border-radius:6px; text-decoration:none; }
.login-table { border-collapse:collapse; font-size:0.92rem; margin:0.5rem 0 1rem; }
.login-table td, .login-table th { padding:0.4rem 0.9rem; border-bottom:1px solid #e8e4f8; text-align:left; }
.login-table code { font-size:0.9rem; }

/* ── "YOUR TASK NOW" BOX + RUN ORDER ── */
.task-now {
  background: var(--kenyon);
  color: white;
  border-radius: 10px;
  padding: 1.1rem 1.4rem;
  margin: 0.5rem 0 1.75rem;
}
.task-now .tn-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 0.3rem;
}
.task-now .tn-goal { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.6rem; }
.task-now ol { margin: 0 0 0 1.2rem; }
.task-now li { margin-bottom: 0.2rem; }
.task-now .tn-out { margin-top: 0.6rem; font-size: 0.9rem; opacity: 0.9; }
.task-now a { color: white; }

.ref-note {
  font-size: 0.85rem; color: var(--muted);
  border: 1px dashed var(--border); border-radius: 6px;
  padding: 0.5rem 0.8rem; margin-bottom: 1rem;
}

/* ── SHORT LINK IN HERO ── */
.hero .short-link {
  display: inline-block;
  margin-top: 1.1rem;
  padding: 0.55rem 1.2rem;
  border: 2px solid var(--gold);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 1.15rem;
  color: white;
}
.hero .short-link a {
  color: var(--gold);
  font-weight: 700;
  font-family: Menlo, Consolas, monospace;
  text-decoration: none;
}
.hero .short-link a:hover { text-decoration: underline; }