/* Module 2 lessons (m2-1 ... m2-4). Loaded after m1.css, which supplies the shared
   lesson pieces (figures, videos, image placeholders, knowledge checks, sort cards,
   step-through, tabbed explorer). This file adds the Module 2 widgets in
   m2-interactives.js and the glossary pop-ups. */

/* ── Glossary pop-up: <span class="gl" tabindex="0" data-def="...">term</span> ── */
.gl {
  border-bottom: 1px dotted var(--accent-dark);
  cursor: help;
  position: relative;
}
.gl:hover::after, .gl:focus::after {
  content: attr(data-def);
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  width: 260px;
  max-width: 70vw;
  background: #17324D;
  color: #fff;
  padding: 8px 11px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 400;
  font-style: normal;
  line-height: 1.45;
  z-index: 20;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
}
.gl:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── Small "think about it" box ── */
.m2-think {
  margin: 20px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--amber, #F59E0B);
  background: #FFF8EB;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.m2-think .m1-example-label { color: #92400E; }
.m2-think p { margin: 0; }

.m2-rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 20px 0; }
.m2-rule { padding: 18px 20px; border: 1px solid var(--gray-200, #E5E7EB); border-top: 4px solid #17324D; border-radius: var(--radius); background: #fff; }
.m2-rule-title { font-weight: 700; font-size: 1.08rem; color: #17324D; margin-bottom: 8px; }
.m2-rule p { margin: 0; }

/* ── Plain data tables (dose, categories, systems) ── */
.m2-table-wrap { overflow-x: auto; margin: 16px 0; }
.m2-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--white);
}
.m2-table th {
  background: var(--gray-100);
  text-align: left;
  padding: 9px 12px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
}
.m2-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
  line-height: 1.55;
  vertical-align: top;
}
.m2-table td:first-child { font-weight: 600; color: var(--gray-900); white-space: nowrap; }

/* ── CT window explorer (.m2-window) ── */
.m2-window {
  display: grid;
  grid-template-columns: minmax(0, 340px) 1fr;
  gap: 22px;
  align-items: start;
}
.m2-window-view { position: relative; }
.m2-window canvas {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  border-radius: var(--radius);
  background: #000;
  cursor: crosshair;
}
.m2-window-side {
  position: absolute;
  top: 8px;
  font: 700 0.8rem var(--heading, sans-serif);
  color: #facc15;
  pointer-events: none;
}
.m2-window-side--r { left: 10px; }
.m2-window-side--l { right: 10px; }
.m2-window-hu {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--gray-600);
  min-height: 1.4em;
  font-variant-numeric: tabular-nums;
}
.m2-presets { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.m2-presets .mi-btn.active { background: var(--accent); color: #fff; }
.m2-slider { margin-bottom: 12px; }
.m2-slider label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.m2-slider label b { color: var(--accent-dark); font-variant-numeric: tabular-nums; }
.m2-slider input[type=range] { width: 100%; accent-color: var(--accent); }
.m2-window-bar {
  height: 14px;
  border-radius: 7px;
  border: 1px solid var(--gray-300);
  margin: 6px 0 4px;
}
.m2-window-range {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--gray-500);
  font-variant-numeric: tabular-nums;
}
.m2-window-note {
  margin-top: 12px !important;
  font-size: 0.92rem !important;
  color: var(--gray-700) !important;
  min-height: 4.5em;
}

/* ── Scan journey: system map + step-through (.m2-journey) ── */
.m2-map { width: 100%; height: auto; display: block; margin-bottom: 14px; }
.m2-map .sys rect { fill: var(--gray-100); stroke: var(--gray-300); stroke-width: 1.5; transition: fill 0.25s, stroke 0.25s; }
.m2-map .sys text { fill: var(--gray-700); font: 600 14px var(--heading, sans-serif); text-anchor: middle; }
.m2-map .sys text.sub { font: 400 11px var(--heading, sans-serif); fill: var(--gray-500); }
.m2-map .sys.on rect { fill: #DBEAFE; stroke: #0369a1; stroke-width: 2.5; }
.m2-map .sys.on text { fill: #0c4a6e; }
.m2-map .sys.on text.sub { fill: #0369a1; }
.m2-map .flow { stroke: var(--gray-300); stroke-width: 2; fill: none; marker-end: url(#m2-arrow); }
.m2-journey .mi-step-body { display: block; }
.m2-journey .mi-steps-viewport { min-height: 190px; }
.m2-step-sys {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #0369a1;
  background: #E0F2FE;
  padding: 3px 9px;
  border-radius: 100px;
  margin-bottom: 8px;
}
.m2-step-diaz {
  margin-top: 8px;
  padding: 10px 14px;
  background: #EEF2F6;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--gray-700);
}

/* ── Annotated report (.m2-report, uses the .mi-shortcut script) ── */
.m2-report.mi-shortcut { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
.m2-report-doc {
  font-family: 'Courier New', monospace;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--gray-800);
  background: #FAFBFC;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 14px;
}
.m2-report-doc .mi-hot {
  display: block;
  padding: 6px 10px;
  margin-bottom: 4px;
  border: 1px dashed #93c5fd;
  border-radius: 6px;
  background: rgba(14,165,233,0.05);
}
.m2-report-doc .mi-hot:hover, .m2-report-doc .mi-hot:focus { background: rgba(14,165,233,0.14); outline: none; }
.m2-report-doc .mi-hot.seen { border: 1px solid var(--mint-dark); background: rgba(52,211,153,0.10); }
.m2-report-doc .mi-hot.current { box-shadow: 0 0 0 2px var(--accent); }
.m2-report-doc b { color: var(--gray-900); }
.m2-report .mi-shortcut-panel { position: sticky; top: 16px; }
.m2-report .mi-shortcut-count { font-size: 0.85rem; color: var(--gray-500); margin-top: 8px !important; }

/* ── Translate the report (.m2-translate) ── */
.m2-translate label { display: block; font-weight: 600; color: var(--gray-900); margin-bottom: 6px; font-size: 0.95rem; }
.m2-translate textarea {
  width: 100%;
  min-height: 110px;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.93rem;
  line-height: 1.6;
  resize: vertical;
  box-sizing: border-box;
}
.m2-translate textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.m2-translate .mi-btn { margin-top: 10px; }
.m2-model {
  margin-top: 14px;
  padding: 14px 18px;
  background: var(--mint-light);
  border-left: 4px solid var(--mint-dark);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.m2-model p, .m2-model li { font-size: 0.93rem !important; }
.m2-model p:last-child { margin-bottom: 0; }

@media (max-width: 760px) {
  .m2-window, .m2-report.mi-shortcut { grid-template-columns: 1fr; }
  .m2-report .mi-shortcut-panel { position: static; }
  .m2-table td:first-child { white-space: normal; }
}