/* Learn by Role hub — expandable role cards, filtering, and comparison.
   Built on the same tokens as the rest of the site; the roadmap timeline's
   disclosure and progress-bar patterns are reused rather than reinvented. */

/* ── controls ──────────────────────────────────────────────────────── */
.rl-controls {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px;
  margin: 0 0 30px;
}
.rl-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.rl-chip {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .3px;
  padding: 6px 13px; border-radius: 999px; cursor: pointer;
  color: var(--text2); background: var(--surface);
  border: 1px solid var(--border);
  transition: color var(--m-base, .16s) var(--m-out, ease),
              border-color var(--m-base, .16s) var(--m-out, ease);
}
.rl-chip:hover { color: var(--text); border-color: var(--accent); }
.rl-chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* selected state carries a border and a weight change, not just a tint —
   colour alone is not a state anyone can rely on */
.rl-chip.is-on {
  color: var(--accent); border-color: var(--accent); font-weight: 700;
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
}

.rl-sort { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.rl-sort label { font-family: var(--font-mono); font-size: 11.5px; color: var(--text2); }
.rl-sort select {
  font-family: var(--font-mono); font-size: 11.5px;
  padding: 6px 10px; border-radius: var(--r-md, 8px);
  color: var(--text); background: var(--surface); border: 1px solid var(--border);
}
.rl-sort select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ── the grid of roles ─────────────────────────────────────────────── */
.rl-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  align-items: start;
}

.rl-card {
  background: var(--card, var(--surface));
  border: 1px solid color-mix(in srgb, var(--rd-c, var(--accent)) 24%, var(--border));
  border-radius: 14px; padding: 15px 17px;
  transition: border-color var(--m-base, .18s) var(--m-out, ease);
}
.rl-card:hover { border-color: color-mix(in srgb, var(--rd-c, var(--accent)) 55%, var(--border)); }

.rl-head { display: flex; align-items: center; gap: 12px; }
.rl-icon {
  flex: none; width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  color: var(--rd-c, var(--accent));
  background: color-mix(in srgb, var(--rd-c, var(--accent)) 14%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--rd-c, var(--accent)) 40%, var(--border));
}
.rl-titles { flex: 1; min-width: 0; }
.rl-name {
  margin: 0; font-size: 14.5px; font-weight: 700; color: var(--text);
  overflow-wrap: break-word;
}
.rl-meta {
  margin: 3px 0 0; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: .3px; color: var(--text2);
}

.rl-toggle {
  flex: none; width: 26px; height: 26px; border-radius: 7px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text2); background: transparent; border: 1px solid var(--border);
  transition: color var(--m-base, .18s) var(--m-out, ease),
              border-color var(--m-base, .18s) var(--m-out, ease);
}
.rl-toggle:hover { color: var(--rd-c, var(--accent)); border-color: var(--rd-c, var(--accent)); }
.rl-toggle:focus-visible { outline: 2px solid var(--rd-c, var(--accent)); outline-offset: 2px; }
.rl-toggle i { font-size: 13px; line-height: 1; transition: transform var(--m-base, .2s) var(--m-out, ease); }
.rl-toggle[aria-expanded="true"] i { transform: rotate(180deg); }

/* ── progress ──────────────────────────────────────────────────────── */
.rl-progress { display: flex; align-items: center; gap: 10px; margin: 12px 0 0; }
.rl-progress:empty { display: none; }
.rl-bar {
  flex: 1; height: 5px; border-radius: 999px; overflow: hidden;
  background: color-mix(in srgb, var(--rd-c, var(--accent)) 14%, var(--border));
}
/* scaleX rather than width: this animates whenever a topic is ticked, and a
   width transition relayouts the bar every frame */
.rl-bar-fill {
  display: block; width: 100%; height: 100%; border-radius: 999px;
  background: var(--rd-c, var(--accent));
  transform-origin: left center;
  transition: transform var(--m-slow, .4s) var(--m-out, ease);
}
.rl-num {
  flex: none; font-family: var(--font-mono); font-size: 10.5px; color: var(--text2);
}
.rl-num strong { color: var(--rd-c, var(--accent)); }

/* ── the expandable body ───────────────────────────────────────────── */
.rl-wrap { display: grid; grid-template-rows: 0fr; }
.rl-wrap[data-open="true"] { grid-template-rows: 1fr; }
/* visibility, not just a zero row: a 0fr row still leaves its links and the
   start button in the tab order. Hiding waits out the collapse so the content
   does not vanish before the box finishes; revealing is immediate. */
.rl-wrap > .rl-body {
  overflow: hidden; min-height: 0;
  visibility: hidden; transition: visibility 0s var(--m-base, .22s);
}
.rl-wrap[data-open="true"] > .rl-body { visibility: visible; transition: visibility 0s; }
@media (prefers-reduced-motion: no-preference) {
  .rl-wrap { transition: grid-template-rows var(--m-base, .22s) var(--m-out, ease); }
}

.rl-blurb { margin: 14px 0 0; font-size: 13px; line-height: 1.65; color: var(--text2); }
.rl-day, .rl-aliases { margin: 10px 0 0; font-size: 12.5px; line-height: 1.6; color: var(--text2); }
.rl-label {
  display: block; font-family: var(--font-mono); font-size: 9.5px; font-weight: 700;
  letter-spacing: 1.4px; text-transform: uppercase; color: var(--text3);
  margin-bottom: 4px;
}
.rl-skills { margin: 12px 0 0; }
.rl-skills ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.rl-skills li {
  font-size: 11.5px; padding: 3px 9px; border-radius: var(--r-md, 8px);
  color: var(--text2); background: var(--surface2, var(--surface));
  border: 1px solid color-mix(in srgb, var(--rd-c, var(--accent)) 28%, var(--border));
}

.rl-start {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 15px;
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 700;
  letter-spacing: .4px; text-decoration: none;
  padding: 8px 15px; border-radius: var(--r-md, 8px);
  color: var(--rt-ink, #04070d); background: var(--rd-c, var(--accent));
  border: 1px solid var(--rd-c, var(--accent));
  transition: filter var(--m-base, .16s) var(--m-out, ease);
}
.rl-start:hover { filter: brightness(1.1); }
.rl-start:focus-visible { outline: 2px solid var(--rd-c, var(--accent)); outline-offset: 3px; }

/* ── comparison ────────────────────────────────────────────────────── */
.rl-compare {
  margin: 46px 0 0; padding: 20px 22px;
  background: var(--card, var(--surface));
  border: 1px solid var(--border); border-radius: 14px;
}
.rl-compare-h { margin: 0; font-size: 16px; font-weight: 700; color: var(--text); }
.rl-compare-sub { margin: 6px 0 16px; font-size: 12.5px; color: var(--text2); }
.rl-compare-picks { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.rl-compare-picks label { font-family: var(--font-mono); font-size: 11px; color: var(--text2); }
.rl-compare-picks select {
  font-size: 12.5px; padding: 6px 10px; border-radius: var(--r-md, 8px);
  color: var(--text); background: var(--surface); border: 1px solid var(--border);
  max-width: 100%;
}
.rl-compare-picks select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.rl-cmp-head { margin: 18px 0 0; font-size: 13.5px; color: var(--text2); }
.rl-cmp-head strong { color: var(--accent); font-size: 17px; }
.rl-cmp-note { margin: 18px 0 0; font-size: 13px; color: var(--text2); }
.rl-cmp-cols {
  display: grid; gap: 16px; margin-top: 16px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.rl-cmp-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 5px; }
.rl-cmp-list li {
  font-family: var(--font-mono); font-size: 10.5px;
  padding: 3px 8px; border-radius: 6px;
  color: var(--text2); background: var(--surface2, var(--surface));
  border: 1px solid var(--border);
  overflow-wrap: anywhere;
}
.rl-cmp-list .rl-more { border-style: dashed; }

/* ── phone ─────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  .rl-grid { grid-template-columns: 1fr; }
  .rl-sort { margin-left: 0; }
  .rl-controls { gap: 12px; }
}