/* ============================================================
   iMusic — Instruments page.
   Left nav (instrument list) + right content pane (profile).
   Mirrors composers/style.css, which mirrors lessons/style.css's
   layout language — kept consistent across all three so the site
   reads as one system. Layers on top of ../site.css.
   ============================================================ */

.instruments-layout {
  width: 100%;
  box-sizing: border-box;
  padding: 40px 32px 90px;
  display: flex;
  align-items: flex-start;
  gap: 36px;
}

/* ---------- Left nav ---------- */

.instruments-nav {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: 90px;
}

.instruments-nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}

.instruments-nav-label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.instruments-nav-content a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  margin-bottom: 4px;
  transition: background 120ms ease, color 120ms ease;
}

.instruments-nav-content a:hover {
  background: rgba(201, 162, 74, 0.12);
  color: var(--brass);
}

.instruments-nav-content a.active {
  background: var(--brass);
  color: var(--bg-soft);
  font-weight: 600;
}

/* ---------- Content pane ---------- */

.instrument-content {
  flex: 1;
  min-width: 0;
}

.instrument-content:focus {
  outline: none;
}

.instrument-breadcrumb {
  font-size: 12px;
  color: var(--ink-soft);
  margin: 0 0 10px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.instrument-breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
}

.instrument-breadcrumb a:hover {
  color: var(--brass);
  text-decoration: underline;
}

.instrument-breadcrumb span[aria-current] {
  color: var(--ink);
}

.instrument-content h1 {
  font-family: "Playfair Display", "Georgia", serif;
  font-size: 36px;
  letter-spacing: 1px;
  color: var(--brass);
  margin: 0 0 6px;
  font-weight: 700;
}

.instrument-meta {
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin: 0 0 18px;
}

.instrument-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  padding: 8px 18px;
  border-radius: 50px;
  border: 1px solid var(--brass-dim);
  background: transparent;
  color: var(--brass);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}

.instrument-play-btn:hover {
  border-color: var(--brass);
  background: rgba(201, 162, 74, 0.12);
}

.instrument-play-btn.playing {
  background: var(--brass);
  border-color: var(--brass);
  color: var(--bg-soft);
}

.instrument-play-icon {
  font-size: 11px;
}

.instrument-content h2 {
  font-family: "Playfair Display", "Georgia", serif;
  font-size: 20px;
  color: var(--brass);
  margin: 30px 0 12px;
  font-weight: 600;
}

.instrument-prose p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  opacity: 0.9;
  max-width: 760px;
  margin: 0 0 14px;
}

.instrument-artists {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 760px;
}

.instrument-artists li {
  padding: 12px 0;
  border-bottom: 1px solid var(--card-border);
  font-size: 15px;
  color: var(--ink);
}

.instrument-artists li:last-child {
  border-bottom: none;
}

.instrument-artists strong {
  color: var(--brass);
}

.artist-years {
  font-size: 13px;
  color: var(--ink-soft);
  margin-left: 8px;
}

.artist-note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .instruments-layout {
    flex-direction: column;
    padding: 24px 16px 60px;
    gap: 20px;
  }

  .instruments-nav {
    width: 100%;
    position: static;
  }

  .instruments-nav-content {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .instruments-nav-content a {
    margin-bottom: 0;
  }
}

/* ---------- Plain theme ---------- */

body.theme-plain .instrument-content h1,
body.theme-plain .instrument-content h2 {
  color: var(--brass);
}

body.theme-plain .instruments-nav-content a.active {
  color: #fff;
}