/* ==========================================================================
   vault by thejojiz — learning layer
   Progress dashboard, learning paths, knowledge checks, steppers.
   Loaded after app.css. Inherits the lime/near-black token system.
   ========================================================================== */

/* [hidden] must beat any display rule below it, or JS-hidden controls
   (continue reading, stepper panels) stay on screen. */
[hidden] { display: none !important; }

/* ---- Progress dashboard -------------------------------------------------- */

.dash {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.6rem;
  align-items: center;
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  background: var(--surface-solid);
  margin: clamp(2rem, 5vw, 3rem) 0 1.4rem;
}
@media (max-width: 52rem) {
  .dash { grid-template-columns: auto 1fr; gap: 1.1rem; }
  .dash-side { grid-column: 1 / -1; }
}

.dash-ring {
  position: relative;
  width: 5.2rem; height: 5.2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--p, 0) * 360deg), var(--line) 0);
  flex: none;
}
.dash-ring::before {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--surface-solid);
}
.dash-ring span {
  position: relative;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
}

.dash-body h2,
.dash-body .dash-h { font-size: 1.15rem; font-weight: 700; margin: 0 0 0.25rem; letter-spacing: -0.01em; color: var(--text); }
.dash-body p { margin: 0; font-size: 0.92rem; color: var(--muted); }
.dash-meta { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--accent); display: block; margin-bottom: 0.3rem; }

.dash-side { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-start; }
.dash-cont {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s ease, transform 0.2s var(--ease);
  max-width: 17rem;
}
.dash-cont:hover { border-color: var(--accent); transform: translateY(-1px); }
.dash-cont small { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; color: var(--muted); }
.dash-cont strong { font-size: 0.92rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-reset {
  font: inherit;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  text-decoration: underline;
  padding: 0.2rem 0;
}
.dash-reset:hover { color: var(--danger); }
.dash-note { font-size: 0.72rem; font-family: var(--font-mono); color: var(--dim); }

/* ---- Learning paths ------------------------------------------------------------ */

.paths {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  background: var(--line);
  border: 1px solid var(--line);
}
.path-card {
  position: relative;
  margin: 0;
  background: var(--surface-solid);
  transition: background-color 0.25s ease;
}
.path-card > a {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  height: 100%;
  padding: 1.4rem 1.5rem 1.3rem;
  text-decoration: none;
  color: var(--text);
}
.path-card:hover { background: var(--surface-2); }
.path-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.path-tag { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.14em; color: var(--accent); text-transform: lowercase; }
.path-card h3 { margin: 0.15rem 0 0; font-size: 1.28rem; letter-spacing: -0.02em; }
.path-card p { margin: 0; font-size: 0.92rem; color: var(--muted); }
.path-why {
  border-left: 2px solid var(--line-strong);
  padding-left: 0.8rem;
  font-size: 0.86rem;
  color: var(--dim);
  font-style: italic;
}
.path-meta {
  margin-top: auto;
  padding-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.path-meta .go { color: var(--accent); }

.path-ring {
  position: relative;
  width: 2.9rem; height: 2.9rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--p, 0) * 360deg), var(--line) 0);
}
.path-ring::before { content: ''; position: absolute; inset: 4px; border-radius: 50%; background: var(--surface-solid); }
.path-card:hover .path-ring::before { background: var(--surface-2); }
.path-ring span { position: relative; font-family: var(--font-mono); font-size: 0.64rem; font-weight: 700; }
.path-done .path-ring span { color: var(--accent); }

/* ---- Path detail page ------------------------------------------------------------- */

.steps { list-style: none; padding: 0; margin: 1.4rem 0 0; counter-reset: step; }
.step {
  position: relative;
  margin: 0;
  padding: 0 0 1.4rem 3.2rem;
  border-left: 1px solid var(--line);
}
.step:last-child { border-left-color: transparent; padding-bottom: 0; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -1.05rem;
  top: 0;
  width: 2.1rem; height: 2.1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-solid);
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.step-done::before {
  content: '✓';
  border-color: var(--accent);
  color: var(--accent-ink);
  background: var(--accent);
  font-size: 0.9rem;
}
.step a { text-decoration: none; color: var(--text); }
.step a:hover h3 { color: var(--accent); }
.step h3 { margin: 0 0 0.25rem; font-size: 1.1rem; }
.step p { margin: 0; font-size: 0.92rem; color: var(--muted); }
.step-meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--dim); margin-top: 0.35rem; }

/* ---- Read state on topic cards ------------------------------------------------------ */

.topic-card.is-read article { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.topic-card.is-read .card-idx::after {
  content: ' ✓';
  color: var(--accent);
}

/* ---- Mark as read ---------------------------------------------------------------------- */

.mark-read.done {
  border-color: var(--accent);
  color: var(--accent);
}
.mark-read.done .mr-tick { opacity: 1; }
.mr-tick { opacity: 0.35; transition: opacity 0.2s ease; }

/* ---- Knowledge check --------------------------------------------------------------------- */

.check {
  margin-top: 2.2rem;
  border: 1px solid var(--line-strong);
  border-top: 2px solid var(--accent);
  background: var(--surface-solid);
  padding: 1.5rem 1.6rem 1.6rem;
}
.check-head { margin-bottom: 1.1rem; }
.check-tag { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--accent); }
.check h2 { margin: 0.25rem 0 0.3rem; font-size: 1.35rem; }
.check-head p { margin: 0; font-size: 0.9rem; color: var(--muted); }

.q-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 0.8rem; }
.q-step { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--muted); }
.q-dots { display: inline-flex; gap: 0.35rem; }
.q-dot {
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  background: var(--line-strong);
  display: block;
}
.q-dot.done { background: var(--accent); }
.q-dot.now { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.q-text { font-size: 1.12rem; font-weight: 640; letter-spacing: -0.01em; margin: 0 0 1rem; }

.q-opts { display: grid; gap: 0.5rem; margin-bottom: 0.9rem; }
.q-opt {
  font: inherit;
  text-align: left;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  border-radius: 3px;
  transition: border-color 0.18s ease, transform 0.18s var(--ease), background-color 0.18s ease;
}
.q-opt:hover:not(:disabled) { border-color: var(--accent); transform: translateX(3px); }
.q-opt:disabled { cursor: default; opacity: 0.75; }
.q-opt.right {
  border-color: var(--accent);
  background: var(--accent-soft);
  opacity: 1;
  font-weight: 640;
}
.q-opt.right::after { content: ' ✓'; color: var(--accent); }
.q-opt.wrong {
  border-color: var(--danger);
  background: var(--warn-bg);
  opacity: 1;
}
.q-opt.wrong::after { content: ' ✕'; color: var(--danger); }

.q-why {
  border-left: 2px solid var(--accent);
  padding: 0.7rem 0 0.7rem 0.9rem;
  margin-bottom: 1rem;
  font-size: 0.94rem;
  animation: q-in 0.32s var(--ease-out) both;
}
.q-why.no { border-left-color: var(--danger); }
.q-why strong { color: var(--accent); }
.q-why.no strong { color: var(--danger); }
@keyframes q-in { from { opacity: 0; transform: translateY(6px); } }

.q-foot { display: flex; justify-content: flex-end; }

.q-result { display: flex; align-items: center; gap: 1.3rem; margin-bottom: 1rem; }
.q-ring {
  position: relative;
  width: 4.4rem; height: 4.4rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--p, 0) * 360deg), var(--line) 0);
}
.q-ring::before { content: ''; position: absolute; inset: 5px; border-radius: 50%; background: var(--surface-solid); }
.q-ring span { position: relative; font-family: var(--font-mono); font-weight: 800; font-size: 0.95rem; }
.q-result-t strong { display: block; font-size: 1.15rem; margin-bottom: 0.2rem; }
.q-result-t p { margin: 0; font-size: 0.92rem; color: var(--muted); }

/* ---- Section intro rail (home storytelling) ---------------------------------------------------- */

.lede {
  font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.35rem);
  line-height: 1.55;
  max-width: 42rem;
  color: var(--text);
  letter-spacing: -0.012em;
}
.lede em { color: var(--accent); font-style: normal; }

/* ---- Reduced motion ------------------------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  .q-why { animation: none !important; }
  .q-opt:hover:not(:disabled) { transform: none; }
}

/* ---- Print ---------------------------------------------------------------------------------------- */

@media print {
  .dash, .check, .paths { display: none !important; }
}