/* ScriptedAI — shared site stylesheet
   Aesthetic: sister to ScriptedOT's control-room HMI, light by default with dark mode.
   Amber/green accents, monospace for stack/eval text, sans-serif for prose. */

:root {
  --bg: #f3f5f2;
  --bg-panel: #ffffff;
  --bg-panel-raised: #eaede8;
  --border: #d7ddd4;
  --border-bright: #b7c2b4;
  --text: #1b211c;
  --text-dim: #49564c;
  --text-faint: #798678;
  --amber: #9a5f0a;
  --amber-bright: #7a4a06;
  --green: #1d7a3c;
  --green-dim: #2f9750;
  --red: #ad3327;
  --red-bg: rgba(173, 51, 39, 0.07);
  --red-border: #d9beb9;
  --blue: #1f6fa3;
  --heading: #0d100e;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", "Consolas", monospace;
  --radius: 3px;
  --max-width: 920px;
}

:root[data-theme="dark"] {
  --bg: #0b0e0d;
  --bg-panel: #121613;
  --bg-panel-raised: #171d19;
  --border: #26332c;
  --border-bright: #3a5142;
  --text: #d9e2dc;
  --text-dim: #8a9b90;
  --text-faint: #5c6b62;
  --amber: #e8a33d;
  --amber-bright: #ffc266;
  --green: #5fd97a;
  --green-dim: #3a8a4c;
  --red: #e05a4e;
  --red-bg: rgba(224, 90, 78, 0.08);
  --red-border: #5a2c26;
  --blue: #5aa9e0;
  --heading: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0e0d;
    --bg-panel: #121613;
    --bg-panel-raised: #171d19;
    --border: #26332c;
    --border-bright: #3a5142;
    --text: #d9e2dc;
    --text-dim: #8a9b90;
    --text-faint: #5c6b62;
    --amber: #e8a33d;
    --amber-bright: #ffc266;
    --green: #5fd97a;
    --green-dim: #3a8a4c;
    --red: #e05a4e;
    --red-bg: rgba(224, 90, 78, 0.08);
    --red-border: #5a2c26;
    --blue: #5aa9e0;
    --heading: #ffffff;
  }
}

body { transition: background-color 0.15s ease, color 0.15s ease; }

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  font-size: 16px;
}

::selection { background: var(--green-dim); color: #fff; }

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-bright); text-decoration: underline; }

.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-panel) 0%, var(--bg) 100%);
  padding: 1.25rem 1.5rem;
}

.site-header .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--green);
  text-transform: uppercase;
}

.brand span { color: var(--text-faint); }

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav a {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-left: 1.25rem;
}

#theme-toggle {
  margin-left: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  line-height: 1;
}

#theme-toggle:hover {
  color: var(--text);
  border-color: var(--green);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.status-strip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
  border: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  display: inline-flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.status-strip .dot { color: var(--green); }

h1 {
  font-size: 2rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  color: var(--heading);
}

h1 .module-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.subtitle {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.meta-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-bright);
  color: var(--text-dim);
  background: var(--bg-panel);
}

.tag.domain { color: var(--blue); border-color: #2c4a63; }
.tag.focus { color: var(--amber); border-color: #5a4322; }

section.block {
  margin-bottom: 3rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.3rem;
}

.section-title {
  font-size: 1.5rem;
  color: var(--heading);
  margin: 0 0 1.25rem;
}

h3.sub {
  font-size: 1.05rem;
  color: var(--amber-bright);
  margin: 1.75rem 0 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.quote-block {
  border-left: 3px solid var(--amber);
  background: var(--bg-panel);
  padding: 1rem 1.25rem;
  margin: 0 0 1rem;
  font-style: italic;
  color: var(--text);
}

.quote-block .who {
  display: block;
  margin-top: 0.6rem;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
}

.note {
  font-size: 0.88rem;
  color: var(--text-faint);
  border: 1px dashed var(--border-bright);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin: 0 0 1.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

th, td {
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--bg-panel-raised);
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

tr:last-child td { border-bottom: none; }

td:first-child, th:first-child { color: var(--text-dim); font-weight: 600; }

.mapping-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.mapping-list li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.mapping-list .fict { color: var(--text); font-weight: 600; min-width: 220px; }
.mapping-list .arrow { color: var(--text-faint); font-family: var(--font-mono); }
.mapping-list .real { color: var(--green); }

.purdue-level,
.stack-level {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
  padding: 1rem 1.25rem;
  margin-bottom: 0.85rem;
}

.purdue-level .lvl-tag,
.stack-level .lvl-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.35rem;
}

ol.runbook {
  padding-left: 0;
  list-style: none;
  counter-reset: step;
  margin: 0 0 1.5rem;
}

ol.runbook li {
  counter-increment: step;
  position: relative;
  padding: 0.75rem 1rem 0.75rem 3rem;
  margin-bottom: 0.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

ol.runbook li::before {
  content: counter(step);
  position: absolute;
  left: 0.9rem;
  top: 0.75rem;
  font-family: var(--font-mono);
  color: var(--amber);
  font-weight: 700;
}

.std-refs {
  display: grid;
  gap: 0.6rem;
}

.std-ref {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-left: 2px solid var(--green-dim);
  padding-left: 0.85rem;
}

.std-ref .clause { color: var(--green); }
.std-ref .desc { color: var(--text-dim); font-family: var(--font-body); }

.rca-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--red);
  border: 1px solid var(--red-border);
  background: var(--red-bg);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.module-card {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color 0.15s ease;
  position: relative;
}

.module-card .title a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.module-card.live { border-color: var(--border-bright); }
.module-card.live:hover { border-color: var(--green); }

.module-card .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

.module-card .title { color: var(--heading); font-size: 1.05rem; font-weight: 600; }
.module-card .title a { color: inherit; }
.module-card .title a:hover { color: var(--amber-bright); }

.module-card .lesson { color: var(--text-dim); font-size: 0.85rem; }

.module-card .badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  align-self: flex-start;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius);
}

.module-card.live .badge { color: var(--green); border: 1px solid var(--green-dim); }
.module-card.pending .badge { color: var(--text-faint); border: 1px solid var(--border); }
.module-card.pending { opacity: 0.55; }
.module-card.pending .title { color: var(--text-dim); }

.hero {
  margin-bottom: 1rem;
}

.hero p.lede {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 65ch;
}

.how-it-works {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}

.how-step {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
}

.how-step .step-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.5rem;
}

.how-step .step-title {
  color: var(--text);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.how-step .step-desc {
  color: var(--text-dim);
  font-size: 0.88rem;
}

.section-heading {
  font-size: 1.15rem;
  color: var(--text);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  margin: 2.5rem 0 0.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.section-heading + .section-sub {
  color: var(--text-faint);
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}

/* —— Scene visuals: comic strips, diagrams, animation —— */

.scene-visual {
  margin: 1.25rem 0 1.75rem;
}

.scene-visual .visual-caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  margin: 0.65rem 0 0;
}

.comic-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
  margin: 0;
}

@media (max-width: 720px) {
  .comic-strip { grid-template-columns: repeat(2, 1fr); }
}

.comic-panel {
  border: 2px solid var(--border-bright);
  background: var(--bg-panel);
  border-radius: var(--radius);
  padding: 0.7rem 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 150px;
  position: relative;
  overflow: hidden;
}

.comic-panel::before {
  content: attr(data-panel);
  position: absolute;
  top: 0.35rem;
  right: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-faint);
}

.comic-panel .panel-art {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
}

.comic-panel .panel-art svg {
  width: 100%;
  max-width: 140px;
  height: auto;
}

.comic-panel .panel-text {
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--text-dim);
  border-top: 1px dashed var(--border);
  padding-top: 0.45rem;
}

.comic-panel .panel-text strong {
  color: var(--heading);
  font-weight: 600;
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.8rem;
}

.anim-diagram {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  margin: 1rem 0 0;
}

.anim-diagram .diagram-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.anim-diagram svg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 220px;
}

/* Shared animation keyframes for diagram SVGs */
@keyframes pulse-glow {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

@keyframes flow-dash {
  to { stroke-dashoffset: -24; }
}

@keyframes rise-bar {
  0%, 15% { transform: scaleY(0.15); }
  50%, 65% { transform: scaleY(1); }
  100% { transform: scaleY(0.15); }
}

@keyframes blink-alarm {
  0%, 45% { opacity: 1; }
  50%, 95% { opacity: 0.15; }
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

@keyframes cascade-on {
  0%, 20% { opacity: 0.2; }
  40%, 70% { opacity: 1; }
  100% { opacity: 0.2; }
}

.anim-pulse { animation: pulse-glow 1.6s ease-in-out infinite; }
.anim-flow { stroke-dasharray: 6 4; animation: flow-dash 1.2s linear infinite; }
.anim-rise { transform-origin: bottom; animation: rise-bar 2.8s ease-in-out infinite; }
.anim-blink { animation: blink-alarm 1.1s step-end infinite; }
.anim-spin { transform-origin: center; animation: spin-slow 4s linear infinite; }
.anim-cascade-1 { animation: cascade-on 3s ease-in-out infinite; }
.anim-cascade-2 { animation: cascade-on 3s ease-in-out 0.4s infinite; }
.anim-cascade-3 { animation: cascade-on 3s ease-in-out 0.8s infinite; }

.how-comic {
  margin-top: -0.5rem;
  margin-bottom: 0.5rem;
}

.comic-figure {
  margin: 0 0 0.25rem;
  padding: 0;
}

.comic-img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--border-bright);
  border-radius: var(--radius);
  background: #fff;
}

.comic-figure .visual-caption {
  margin-top: 0.65rem;
}