/* DrillGround app — dependency-free, mobile-first, theme-aware.
   Read by index.html; no build step. */

:root {
  --bg: #f5f5f4;
  --surface: #ffffff;
  --surface-2: #ecebe9;
  --text: #1c1917;
  --text-soft: #57534e;
  --line: #d6d3d1;
  --accent: #b91c1c; /* fire-service red */
  --accent-ink: #ffffff;
  --safety-bg: #fef2f2;
  --safety-line: #fca5a5;
  --safety-ink: #991b1b;
  --lodd-bg: #1c1917;
  --lodd-ink: #f5f5f4;
  --focus: #2563eb;
  --radius: 12px;
  --maxw: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0a09;
    --surface: #1c1917;
    --surface-2: #292524;
    --text: #f5f5f4;
    --text-soft: #a8a29e;
    --line: #44403c;
    --accent: #ef4444;
    --accent-ink: #0c0a09;
    --safety-bg: #2a1414;
    --safety-line: #7f1d1d;
    --safety-ink: #fca5a5;
    --lodd-bg: #000000;
    --lodd-ink: #f5f5f4;
    --focus: #60a5fa;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 14px;
  z-index: 10;
}
.skip-link:focus {
  left: 8px;
  top: 8px;
}

/* ---- Topbar ---- */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 14px 18px;
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.brand-mark {
  color: var(--accent);
  font-size: 1.1rem;
}
.tagline {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

main {
  display: block;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px;
  outline: none;
}

/* ---- Controls ---- */
.controls {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}
.search {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-soft);
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.result-count {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin: 2px 0 12px;
}

/* ---- Drill list ---- */
.card-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.card {
  display: block;
  text-align: left;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  color: inherit;
  text-decoration: none;
}
.card:hover {
  border-color: var(--accent);
}
.card-id {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  text-transform: uppercase;
}
.card-title {
  margin: 3px 0 8px;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.3;
}
.card-obj {
  margin: 0 0 10px;
  color: var(--text-soft);
  font-size: 0.92rem;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag {
  font-size: 0.72rem;
  background: var(--surface-2);
  color: var(--text-soft);
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
}
.tag.lodd {
  background: var(--lodd-bg);
  color: var(--lodd-ink);
}

.empty {
  text-align: center;
  color: var(--text-soft);
  padding: 48px 12px;
}

/* ---- Detail view ---- */
.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  margin-bottom: 8px;
  text-decoration: none;
}
.detail h1 {
  font-size: 1.6rem;
  line-height: 1.2;
  margin: 4px 0 10px;
}
.detail .meta-row {
  margin-bottom: 20px;
}
.section {
  margin: 22px 0;
}
.section > h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
  margin: 0 0 12px;
}
.objective {
  font-size: 1.12rem;
  line-height: 1.5;
}
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}
.steps li {
  position: relative;
  padding: 4px 0 14px 44px;
  margin: 0;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}
ul.plain {
  margin: 0;
  padding-left: 20px;
}
ul.plain li {
  margin-bottom: 8px;
}
.callout {
  border-radius: var(--radius);
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.callout.safety {
  background: var(--safety-bg);
  border-color: var(--safety-line);
}
.callout.safety h2 {
  color: var(--safety-ink);
  border-color: var(--safety-line);
}
.callout.lodd {
  background: var(--lodd-bg);
  color: var(--lodd-ink);
  border-color: #000;
}
.callout.lodd h2 {
  color: var(--lodd-ink);
  border-color: rgba(255, 255, 255, 0.2);
}
.callout.lodd .lodd-lesson {
  font-weight: 600;
}
.variation {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--surface);
}
.variation h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}
.variation .adds {
  color: var(--text-soft);
  font-size: 0.88rem;
  margin: 6px 0 0;
}
.refs {
  color: var(--text-soft);
  font-size: 0.88rem;
}

/* ---- Footer ---- */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 18px 40px;
  color: var(--text-soft);
  font-size: 0.82rem;
}
.footer .disclaimer {
  margin-top: 8px;
  line-height: 1.5;
}

.error {
  background: var(--safety-bg);
  border: 1px solid var(--safety-line);
  color: var(--safety-ink);
  padding: 16px;
  border-radius: var(--radius);
}

/* ---- Self-assessment, plan, and the home prompt -------------------------
   The vision calls self-assessment the product's first impression, so these
   are sized for a thumb on a phone in a station bay, not a mouse. */

.prompt {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 20px;
}
.prompt h2 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}
.prompt p {
  margin: 0 0 12px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.primary {
  display: inline-block;
  appearance: none;
  border: none;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}
.primary[disabled] {
  background: var(--surface-2);
  color: var(--text-soft);
  cursor: default;
}
.link-btn {
  display: inline-block;
  appearance: none;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  padding: 10px 4px;
  text-decoration: none;
}

.view-title {
  margin: 6px 0 4px;
  font-size: 1.35rem;
}
.lede {
  color: var(--text-soft);
  font-size: 0.95rem;
  margin: 0 0 18px;
}

.assess-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.assess-cat {
  font-weight: 700;
  font-size: 0.98rem;
  margin-bottom: 8px;
}
.assess-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.rate {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-soft);
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 40px; /* thumb target */
}
.rate.on {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
/* "Not my role" is a legitimate answer, not a weak one — it should not read
   as the same kind of choice as a self-rating. */
.rate.r-skip.on {
  background: var(--surface-2);
  border-color: var(--line);
  color: var(--text);
}

.specialty,
.context {
  margin-top: 22px;
  padding-top: 6px;
}
.specialty h3,
.context h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  margin: 0 0 4px;
}
.toggle {
  appearance: none;
  border: 1px dashed var(--line);
  background: var(--surface);
  color: var(--text-soft);
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  margin: 0 7px 8px 0;
  min-height: 40px;
}
.toggle.on {
  border-style: solid;
  border-color: var(--accent);
  color: var(--accent);
}
.ctx-label {
  font-size: 0.9rem;
  color: var(--text-soft);
  margin: 12px 0 7px;
}

.assess-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 26px 0 8px;
}

.plan-card {
  display: flex;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 16px;
  margin-bottom: 12px;
}
.plan-rank {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.plan-body {
  min-width: 0;
}
.plan-title {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  margin-bottom: 2px;
}
/* The reasons are the advisory stance made visible: a recommendation the user
   cannot interrogate is an instruction. */
.why {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--text-soft);
  font-size: 0.88rem;
}
.why li {
  margin-bottom: 3px;
}

.mini-plan {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}
.mini {
  display: block;
  padding: 10px 12px;
  background: var(--surface-2);
  border-radius: 9px;
  text-decoration: none;
  color: var(--text);
}
.mini strong {
  display: block;
  font-size: 0.95rem;
}
.mini span {
  display: block;
  color: var(--text-soft);
  font-size: 0.85rem;
  margin-top: 2px;
}

.callout.warn {
  background: var(--safety-bg);
  border: 1px solid var(--safety-line);
  color: var(--safety-ink);
  padding: 12px 14px;
  border-radius: 9px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

/* The solo variant on a drill page. Distinct from the crew instructions above
   it — a firefighter training alone must not blend the two by accident. */
.solo-variant {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.solo-variant h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  margin: 14px 0 6px;
}
/* What the solo version cannot teach. Styled as a caution, not a footnote:
   believing you trained a skill you did not is the hazard here. */
.not-covered {
  background: var(--safety-bg);
  border: 1px solid var(--safety-line);
  color: var(--safety-ink);
  padding: 10px 12px;
  border-radius: 8px;
  margin: 0;
}

/* ---- Tailboard ---------------------------------------------------------
   The reflect step. Kept visually quiet: this is a private notebook, not a
   form to be completed. */

.reflect {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.reflect-q {
  margin: 0 0 8px;
  font-size: 0.95rem;
}
.reflect-note-hint {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--text-soft);
}
.note {
  width: 100%;
  font: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 11px;
  margin-bottom: 10px;
  resize: vertical;
}

.tb-list {
  display: grid;
  gap: 10px;
}
.tb-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 15px;
}
.tb-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}
.tb-when {
  font-size: 0.82rem;
  color: var(--text-soft);
}
.tb-title {
  display: block;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
}
.tb-cat {
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-top: 2px;
}
.tb-note {
  margin: 8px 0 0;
  font-size: 0.92rem;
}
/* How it went, not a score. Rough is not failure — it is the useful answer. */
.tag.went-well {
  background: var(--surface-2);
  color: var(--text);
}
.tag.went-ok {
  background: var(--surface-2);
  color: var(--text-soft);
}
.tag.went-rough {
  background: var(--safety-bg);
  color: var(--safety-ink);
  border: 1px solid var(--safety-line);
}

/* Report a problem with a drill. Quiet by design — it should be findable when
   something is wrong, not compete with the drill itself. */
.report-drill {
  margin: 18px 0 0;
  font-size: 0.88rem;
}
.report-drill a {
  color: var(--text-soft);
}
.report-drill a:hover,
.report-drill a:focus {
  color: var(--accent);
}