/**
 * css/phonetics-player.css — Staged Phonetics Lesson Player.
 * Prefix pp-. Theme tokens strictly compliant with shared.css across all 7 platform themes.
 */

.pp {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: 6rem;
}

/* ── Top Bar: Quit, 6-Stage Progress Rail, XP & Combo ───────────────────── */
.pp-top {position: sticky;top: 0;z-index: 10;display: grid;grid-template-columns: auto 1fr auto;gap: 0.75rem;align-items: center;padding: 0.65rem 0.9rem;box-shadow: var(--shadow-s);}

.pp-x {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius);
  transition: all 0.15s;
}

.pp-x:hover {
  color: var(--text);
  background: var(--surface-2);
}

.pp-rail {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.35rem;
  min-width: 0;
}

.pp-rail li {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  min-width: 0;
  position: relative;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-dim);
  opacity: 0.55;
  transition: opacity 0.25s, color 0.25s;
}

.pp-rail li i {
  font-style: normal;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border);
  font-size: 0.95rem;
  transition: all 0.25s;
}

.pp-rail li span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.pp-rail li.done {
  opacity: 1;
  color: var(--green);
}

.pp-rail li.done i {
  background: var(--green-soft);
  border-color: var(--green);
}

.pp-rail li.on {
  opacity: 1;
  color: var(--purple);
}

.pp-rail li.on i {
  border-color: var(--purple);
  background: var(--purple-soft);
  transform: scale(1.12);
  box-shadow: 0 0 0 4px var(--purple-soft);
}

.pp-chips {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.pp-chip { position:relative; font-variant-numeric:tabular-nums; }

.pp-chip b {
  font-weight: 800;
}

.pp-combo {
  background: var(--red-soft);
  color: var(--red);
}

.pp-en-toggle {
  cursor: pointer;
  font-weight: 700;
}

.pp-en-toggle.is-off {
  opacity: 0.5;
  background: var(--surface-2);
  color: var(--text-muted);
}

.pp-float {
  position: absolute;
  right: 0.2rem;
  top: -0.2rem;
  font-weight: 800;
  color: var(--green);
  animation: pp-float 0.9s var(--ease-out, ease-out) forwards;
  pointer-events: none;
}

@keyframes pp-float {
  to {
    transform: translateY(-26px);
    opacity: 0;
  }
}

/* ── Main View Container ───────────────────────────────────────────────── */
.pp-main {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.pp-main > * {
  animation: pp-in 0.35s var(--ease-out, ease-out) both;
}

@keyframes pp-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* ── Cards & Sections ──────────────────────────────────────────────────── */
.pp-card {padding: 1.25rem;display: flex;flex-direction: column;gap: 0.9rem;box-shadow: var(--shadow-s);}

.pp-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}


.pp-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0;
  color: var(--text);
}

.pp-lead {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin: 0;
}

/* ── Sound item with dedicated play button ─────────────────────────────── */
.pp-sound-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem 0.85rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.pp-sound-btn:hover:not(:disabled) {
  border-color: var(--purple);
  background: var(--purple-soft);
  color: var(--purple);
  transform: translateY(-1px);
}

.pp-sound-btn:active:not(:disabled) {
  transform: scale(0.97);
}

.pp-sound-icon {
  font-size: 1rem;
}

.pp-ipa-tag {
  font-family: var(--font-mono, monospace);
  color: var(--teal-text);
  font-size: 0.85rem;
  font-weight: 500;
}

/* ── Voice Switcher Pills (Marie, Inès, Alex, Sarah) ───────────────────── */
.pp-voice-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.5rem 0.75rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.pp-voice-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.pp-voice-pills {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.pp-voice-pill { cursor: pointer; }



/* ── Stage 1: Anatomy & Articulatory Quadrant ──────────────────────────── */
.pp-anatomy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}

.pp-anatomy-box {
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.pp-anatomy-box b {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--purple);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pp-anatomy-box p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--text);
}

.pp-target-demo-deck {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--purple-soft), var(--teal-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.pp-demo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pp-demo-word {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
}

/* ── Stage 2: High Variability Phonetic Training (HVPT) ────────────────── */
.pp-hvpt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.85rem;
}

.pp-hvpt-card {
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.pp-hvpt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.pp-voice-meta {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--teal-text);
}

.pp-hvpt-sounds {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── Stage 3: Discrimination Quiz ──────────────────────────────────────── */
.pp-quiz-prompt {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text);
  margin: 0;
  text-align: center;
}

.pp-quiz-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.pp-quiz-opt {
  background: var(--surface-2);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}

.pp-quiz-opt:hover:not(:disabled) {
  border-color: var(--purple);
  transform: translateY(-2px);
}

.pp-quiz-opt.selected {
  border-color: var(--purple);
  background: var(--purple-soft);
}

.pp-quiz-opt.ok {
  border-color: var(--green);
  background: var(--green-soft);
}

.pp-quiz-opt.bad {
  border-color: var(--red);
  background: var(--red-soft);
  animation: pp-shake 0.35s;
}

@keyframes pp-shake {
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* ── Stage 4: Vocal Shadowing & Live Mic ───────────────────────────────── */
.pp-shadow-stage {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

.pp-target-highlight {
  background: var(--surface-2);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.pp-target-word {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.pp-target-ipa-large {
  font-family: var(--font-mono, monospace);
  font-size: 1.3rem;
  color: var(--teal-text);
  background: var(--teal-soft);
  padding: 0.2rem 0.75rem;
  border-radius: 99px;
}

.pp-rec-trigger {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 3px solid var(--border);
  font-size: 2.2rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow-s);
}

.pp-rec-trigger:hover {
  transform: scale(1.06);
  border-color: var(--purple);
}

.pp-rec-trigger.recording {
  border-color: var(--red);
  background: var(--red-soft);
  animation: pp-pulse-rec 1.2s infinite;
}

@keyframes pp-pulse-rec {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { box-shadow: 0 0 0 16px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.pp-meter-track {
  width: 100%;
  max-width: 320px;
  height: 8px;
  background: var(--surface-2);
  border-radius: 99px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.pp-meter-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--green));
  transition: width 0.06s ease-out;
}

/* ── Stage 5: Objective Assessment & Articulatory Metrics ──────────────── */
.pp-diag-card {
  border-left: 4px solid var(--purple);
  background: var(--purple-soft);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pp-diag-card.success {
  border-left-color: var(--green);
  background: var(--green-soft);
}

.pp-diag-card.warning {
  border-left-color: var(--accent);
  background: var(--accent-soft);
}

.pp-diag-card.miss {
  border-left-color: var(--red);
  background: var(--red-soft);
}

.pp-diag-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  margin: 0;
}

.pp-articulatory-box {
  padding: 0.85rem;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--text);
}

.pp-dual-deck {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
}

.pp-deck-col {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pp-deck-col header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pp-deck-audio {
  width: 100%;
  height: 36px;
  border-radius: var(--radius);
}

/* ── Stage 6: Close / Wrap-up ──────────────────────────────────────────── */
.pp-summary-hero {
  text-align: center;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.pp-summary-score {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--purple);
}

/* ── Bottom Controls Bar ───────────────────────────────────────────────── */
.pp-ctl {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}

.pp-ctl-inner {
  max-width: 820px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.pp-ctl-left {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.pp-btn {
  background: var(--purple);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.65rem 1.3rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

.pp-btn:hover:not(:disabled) {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.pp-btn.ghost {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.pp-btn.ghost:hover:not(:disabled) {
  border-color: var(--purple);
  color: var(--purple);
}

.pp-btn.ghost.active {
  background: var(--purple-soft);
  color: var(--purple);
  border-color: var(--purple);
}

.pp-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ── Responsive & Accessibility ────────────────────────────────────────── */
@media (max-width: 600px) {
  .pp-rail li span {
    display: none;
  }
  .pp-rail li i {
    width: 26px;
    height: 26px;
    font-size: 0.85rem;
  }
  .pp-top {
    padding: 0.5rem 0.65rem;
  }
  .pp-target-word {
    font-size: 1.7rem;
  }
}

/* ── Acoustic evidence card (MFCC/DTW) ─────────────────────────────────── */
.pp-acoustic-card { background: var(--surface-2, #1e1e2a); border: 1px solid var(--border, #444); border-radius: var(--radius, 12px); padding: 0.9rem 1rem; display: flex; flex-direction: column; gap: 0.7rem; color: var(--text, #f3f3f7); }
.pp-ac-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 0.4rem; }
.pp-ac-src { font-size: 0.82rem; color: var(--text-muted, #b4b4c4); }
.pp-ac-rows { display: flex; flex-direction: column; gap: 0.4rem; }
.pp-ac-row { display: grid; grid-template-columns: minmax(5rem, 9rem) 1fr 3rem; align-items: center; gap: 0.6rem; font-size: 0.92rem; }
.pp-ac-row.best .pp-ac-word { font-weight: 800; }
.pp-ac-word em { font-style: normal; font-size: 0.75rem; color: var(--text-muted, #b4b4c4); }
.pp-ac-bar { height: 0.8rem; background: rgba(128, 128, 128, 0.25); border-radius: 99px; overflow: hidden; border: 1px solid var(--border, #444); }
.pp-ac-bar i { display: block; height: 100%; background: var(--teal-text, #2dd4bf); border-radius: 99px; }
.pp-ac-row:not(.best) .pp-ac-bar i { background: var(--purple, #b197fc); }
.pp-ac-val { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.pp-ac-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr)); gap: 0.5rem; }
.pp-ac-stat { background: rgba(128, 128, 128, 0.14); border-radius: 8px; padding: 0.4rem 0.6rem; display: flex; flex-direction: column; font-size: 0.78rem; color: var(--text-muted, #b4b4c4); }
.pp-ac-stat b { font-size: 1.05rem; color: var(--text, #f3f3f7); }
.pp-ac-graph { display: flex; flex-direction: column; gap: 0.3rem; }
.pp-ac-canvas { width: 100%; height: auto; border-radius: 8px; background: rgba(128, 128, 128, 0.1); border: 1px solid var(--border, #444); }
.pp-ac-legend { display: flex; gap: 1rem; font-size: 0.78rem; font-weight: 700; }
.pp-ac-legend .m { color: var(--purple, #b197fc); }
.pp-ac-legend .u { color: var(--teal-text, #2dd4bf); }
.pp-ac-note { margin: 0; font-size: 0.74rem; color: var(--text-muted, #b4b4c4); font-style: italic; }