/* Chord Progression Co-pilot — tool-specific styles.
 * Base layout/typography come from ../assets/css/site.css. Kept separate so the
 * tool is self-contained. A few cross-tool helpers are restated defensively. */

.cp {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.3rem 1.3rem 1.5rem;
  box-shadow: 0 20px 50px -25px rgba(0,0,0,0.7);
}

.cp-section__label {
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin: 0 0 0.6rem;
}

/* ── Mood buttons (primary entry) ─────────────────────────── */
.cp-moods {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}
.cp-mood {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.85rem 0.4rem;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text);
  border-radius: 14px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.05s;
}
.cp-mood { --feel-color: var(--accent); }
.cp-mood:hover { border-color: var(--feel-color); }
.cp-mood:active { transform: translateY(1px); }
.cp-mood__emoji { font-size: 1.5rem; line-height: 1; }
.cp-mood__label { font-size: 0.82rem; font-weight: 600; }
.cp-mood.active {
  border-color: var(--feel-color);
  background: color-mix(in srgb, var(--feel-color) 16%, var(--bg-elev-2));
  box-shadow: 0 0 0 1px var(--feel-color) inset;
}

/* ── 4-slot progression ───────────────────────────────────── */
.cp-slots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
  margin-bottom: 1rem;
}
.cp-slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  min-height: 92px;
  padding: 0.6rem 0.4rem;
  border: 1px dashed var(--border);
  background: var(--bg-elev-2);
  color: var(--text);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.12s, box-shadow 0.12s, transform 0.06s, background 0.12s;
}
.cp-slot:hover { border-color: var(--accent-2); }
.cp-slot.filled { border-style: solid; }
.cp-slot.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset;
}
.cp-slot.playing {
  background: color-mix(in srgb, var(--accent-2) 20%, var(--bg-elev-2));
  border-color: var(--accent-2);
  transform: scale(1.04);
  box-shadow: 0 0 20px -4px var(--accent-2);
}
.cp-slot__plus { font-size: 1.7rem; color: var(--muted); line-height: 1; }
.cp-slot__hint { font-size: 0.72rem; color: var(--muted); }
.cp-slot__name { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.cp-slot__roman { font-family: var(--mono); font-size: 0.8rem; color: var(--accent-2); }
.cp-slot__fn {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ── Transport ────────────────────────────────────────────── */
.cp-transport {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-bottom: 1.3rem;
}
.cp-play {
  flex: none;
  min-width: 116px;
  padding: 0.8rem 1.2rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
.cp-play.playing { background: var(--bg-elev-2); color: var(--text); border: 1px solid var(--border); }
.cp-surprise {
  flex: none;
  padding: 0.8rem 1.1rem;
  font-weight: 600;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text);
  cursor: pointer;
}
.cp-surprise:hover { border-color: var(--accent); }
.cp-tempo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  min-width: 160px;
}
.cp-tempo label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.cp-tempo input[type="range"] { flex: 1; accent-color: var(--accent); height: 6px; min-width: 0; }
.cp-tempo__val { font-family: var(--mono); min-width: 5ch; text-align: right; font-weight: 600; }

/* ── Palette ──────────────────────────────────────────────── */
.cp-palette {
  border-top: 1px solid var(--border);
  padding-top: 1.1rem;
}
.cp-palette__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}
.cp-palette__title { font-weight: 700; font-size: 0.98rem; }
.cp-clear {
  flex: none;
  font-size: 0.78rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}
.cp-clear:hover { color: var(--text); border-color: var(--accent); }

.cp-chords {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
.cp-rest {
  margin-top: 0.55rem;
  opacity: 0.92;
}
.cp-rest-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0.9rem 0 0.4rem;
}

.cp-chord {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.12rem;
  padding: 0.7rem 0.4rem 0.6rem;
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text);
  border-radius: 11px;
  cursor: pointer;
  transition: border-color 0.12s, transform 0.05s, box-shadow 0.12s;
}
.cp-chord:hover { border-color: var(--accent-2); }
.cp-chord:active { transform: translateY(1px); }
.cp-chord.suggested {
  border-color: color-mix(in srgb, var(--accent-2) 55%, var(--border));
  background: color-mix(in srgb, var(--accent-2) 10%, var(--bg-elev-2));
}
.cp-chord.chosen { box-shadow: 0 0 0 2px var(--accent) inset; border-color: var(--accent); }
.cp-chord__rank {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-2);
}
.cp-chord__name { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; }
.cp-chord__fn {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}
.cp-chord__roman { font-family: var(--mono); font-size: 0.74rem; color: var(--accent-2); }

/* ── Key picker (secondary) + cross-nav ───────────────────── */
.cp-keypick { margin-top: 1.2rem; }
.cp-keypick summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.85rem;
  list-style: none;
}
.cp-keypick summary::-webkit-details-marker { display: none; }
.cp-keypick summary::before { content: '⚙ '; }
.cp-keypick[open] summary { color: var(--text); }
.cp-keypick__row {
  display: flex;
  gap: 0.8rem;
  margin-top: 0.7rem;
  flex-wrap: wrap;
}
.cp-keypick__row .field { flex: 1; min-width: 120px; }

.cp-share {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}
.cp-share__actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

@media (max-width: 480px) {
  .cp-moods { grid-template-columns: repeat(5, 1fr); gap: 0.35rem; }
  .cp-mood { padding: 0.7rem 0.2rem; }
  .cp-mood__label { font-size: 0.72rem; }
  .cp-slot { min-height: 80px; }
  .cp-slot__name { font-size: 1.2rem; }
}