/* ======================================================== */
/* 🎙️ PRONUNCIATION ASSESSMENT STUDIO — M3-07 DARK OLIVE    */
/* Dual AI Engine: Azure Speech S0 & SpeechAce / Conversaflex */
/* ======================================================== */

#screenPronunciation {
    --pr-primary: var(--m3-on-primary-container);
    --pr-on-primary: var(--m3-on-surface);
    --pr-primary-container: var(--m3-primary-container);
    --pr-on-primary-container: var(--m3-on-primary);
    --pr-surface: var(--m3-surface-container-low);
    --pr-on-surface: var(--m3-surface);
    --pr-surface-card: var(--m3-on-surface);
    --pr-border: rgba(119, 120, 107, 0.28);
    --pr-score-good: var(--m3-primary);
    --pr-score-warn: var(--m3-amber-glow);
    --pr-score-bad: var(--m3-error);
    background-color: var(--m3-surface);
    color: var(--m3-on-surface);
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

html.dark #screenPronunciation {
    --pr-primary: var(--m3-primary);
    --pr-on-primary: var(--m3-on-primary-container);
    --pr-primary-container: var(--m3-primary-container);
    --pr-on-primary-container: var(--m3-primary-container);
    --pr-surface: var(--m3-surface-container-lowest);
    --pr-on-surface: var(--m3-on-surface);
    --pr-surface-card: var(--m3-surface);
    --pr-border: rgba(119, 120, 107, 0.35);
    --pr-score-good: var(--m3-primary-container);
    --pr-score-warn: var(--m3-amber-glow);
    --pr-score-bad: var(--m3-error);
    background-color: var(--m3-surface-container-lowest);
    color: var(--m3-on-surface);
}

/* 1. Header Bar */
#screenPronunciation .pr-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: max(env(safe-area-inset-top), 42px) 18px 12px;
    background: rgba(250, 248, 240, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--pr-border);
    position: sticky;
    top: 0;
    z-index: 30;
}

html.dark #screenPronunciation .pr-header {
    background: rgba(18, 20, 14, 0.88);
}

/* 2. Engine Switcher Toggle */
.pr-engine-toggle {
    display: flex;
    align-items: center;
    background: rgba(82, 102, 0, 0.08);
    border: 1px solid var(--pr-border);
    border-radius: 999px;
    padding: 3px;
    gap: 2px;
}

html.dark .pr-engine-toggle {
    background: rgba(184, 209, 102, 0.1);
}

.pr-engine-btn {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: var(--pr-on-surface);
    opacity: 0.7;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    background: transparent;
}

.pr-engine-btn.is-active {
    background: var(--pr-primary);
    color: var(--pr-on-primary);
    opacity: 1;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

/* 3. Word Chips Horizontal Scroller */
.pr-chip-scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 12px 18px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.pr-chip-scroll::-webkit-scrollbar {
    display: none;
}

.pr-chip {
    flex-shrink: 0;
    padding: 7px 14px;
    border-radius: 16px;
    border: 1px solid var(--pr-border);
    background: var(--pr-surface-card);
    font-size: 13px;
    font-weight: 700;
    color: var(--pr-on-surface);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    gap: 6px;
}

.pr-chip:hover {
    border-color: var(--pr-primary);
    transform: translateY(-1px);
}

.pr-chip.is-active {
    background: var(--pr-primary-container);
    color: var(--pr-on-primary-container);
    border-color: var(--pr-primary);
    box-shadow: 0 2px 8px rgba(82, 102, 0, 0.2);
}

/* 4. Target Card (Hero Word Presentation) */
.pr-target-card {
    background: var(--pr-surface-card);
    border: 1px solid var(--pr-border);
    border-radius: 24px;
    padding: 22px 20px;
    margin: 0 18px 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

html.dark .pr-target-card {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.pr-target-word {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--pr-on-surface);
}

.pr-target-ipa {
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    font-style: italic;
    color: var(--pr-primary);
    margin-top: 4px;
    font-weight: 600;
}

.pr-target-meaning {
    font-size: 13.5px;
    color: var(--pr-on-surface);
    opacity: 0.8;
    margin-top: 8px;
    line-height: 1.45;
}

/* 5. Giant Mic & Recording Station */
.pr-mic-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px 0 14px;
}

.pr-mic-button {
    width: 82px;
    height: 82px;
    border-radius: 50%;
    background: var(--pr-primary);
    color: var(--pr-on-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 6px 24px rgba(82, 102, 0, 0.35);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, background 0.2s ease;
}

.pr-mic-button:hover {
    transform: scale(1.06);
    box-shadow: 0 8px 30px rgba(82, 102, 0, 0.45);
}

.pr-mic-button:active {
    transform: scale(0.92);
}

/* Recording State Waves */
.pr-mic-button.is-recording {
    background: var(--m3-error) !important;
    animation: pr-pulse-glow 1.4s ease-in-out infinite alternate;
}

@keyframes pr-pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5), 0 0 0 8px rgba(220, 38, 38, 0.25);
    }
    100% {
        box-shadow: 0 0 0 12px rgba(220, 38, 38, 0.35), 0 0 0 24px rgba(220, 38, 38, 0);
    }
}

/* Live Audio Waveform (8 bars) */
.pr-wave-container {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 32px;
    margin-top: 12px;
}

.pr-wave-bar {
    width: 4px;
    height: 8px;
    background: var(--pr-primary);
    border-radius: 999px;
    transition: height 0.15s ease;
}

.pr-wave-container.is-active .pr-wave-bar {
    animation: pr-wave-jump 0.8s ease-in-out infinite alternate;
}

.pr-wave-container.is-active .pr-wave-bar:nth-child(1) { animation-delay: 0.1s; }
.pr-wave-container.is-active .pr-wave-bar:nth-child(2) { animation-delay: 0.3s; }
.pr-wave-container.is-active .pr-wave-bar:nth-child(3) { animation-delay: 0.2s; }
.pr-wave-container.is-active .pr-wave-bar:nth-child(4) { animation-delay: 0.4s; }
.pr-wave-container.is-active .pr-wave-bar:nth-child(5) { animation-delay: 0.15s; }
.pr-wave-container.is-active .pr-wave-bar:nth-child(6) { animation-delay: 0.35s; }
.pr-wave-container.is-active .pr-wave-bar:nth-child(7) { animation-delay: 0.25s; }
.pr-wave-container.is-active .pr-wave-bar:nth-child(8) { animation-delay: 0.45s; }

@keyframes pr-wave-jump {
    0% { height: 6px; }
    100% { height: 28px; }
}

/* 6. Assessment Results Card */
.pr-results-card {
    background: var(--pr-surface-card);
    border: 1px solid var(--pr-border);
    border-radius: 24px;
    padding: 20px;
    margin: 0 18px 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    animation: pr-slide-up 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes pr-slide-up {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Overall Radial Score Gauge */
.pr-radial-gauge {
    position: relative;
    width: 104px;
    height: 104px;
    flex-shrink: 0;
}

.pr-radial-svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.pr-radial-bg {
    fill: none;
    stroke: rgba(119, 120, 107, 0.18);
    stroke-width: 8;
}

.pr-radial-fill {
    fill: none;
    stroke: var(--pr-primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 264;
    stroke-dashoffset: 264;
    transition: stroke-dashoffset 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.pr-radial-score-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* 4-Dimensions Grid (Accuracy, Fluency, Completeness, Prosody) */
.pr-dim-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 16px;
}

.pr-dim-item {
    background: rgba(82, 102, 0, 0.05);
    border: 1px solid var(--pr-border);
    border-radius: 14px;
    padding: 10px 12px;
}

html.dark .pr-dim-item {
    background: rgba(184, 209, 102, 0.06);
}

.pr-dim-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--pr-on-surface);
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 4px;
}

.pr-dim-val {
    font-size: 17px;
    font-weight: 900;
    color: var(--pr-on-surface);
    margin-top: 2px;
}

.pr-progress-track {
    width: 100%;
    height: 5px;
    border-radius: 999px;
    background: rgba(119, 120, 107, 0.2);
    margin-top: 6px;
    overflow: hidden;
}

.pr-progress-bar {
    height: 100%;
    border-radius: 999px;
    background: var(--pr-primary);
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 7. Phoneme Breakdown Chips (IPA Granularity) */
.pr-phoneme-container {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--pr-border);
}

.pr-phoneme-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.pr-phoneme-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--pr-surface);
    border: 1.5px solid var(--pr-border);
    border-radius: 12px;
    padding: 6px 10px;
    min-width: 42px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pr-phoneme-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.pr-phoneme-pill.is-good {
    border-color: var(--pr-score-good);
}
.pr-phoneme-pill.is-good .pr-ph-score {
    color: var(--pr-score-good);
}

.pr-phoneme-pill.is-warn {
    border-color: var(--pr-score-warn);
    background: rgba(217, 119, 6, 0.06);
}
.pr-phoneme-pill.is-warn .pr-ph-score {
    color: var(--pr-score-warn);
}

.pr-phoneme-pill.is-bad {
    border-color: var(--pr-score-bad);
    background: rgba(220, 38, 38, 0.08);
}
.pr-phoneme-pill.is-bad .pr-ph-score {
    color: var(--pr-score-bad);
}

.pr-ph-symbol {
    font-family: 'Playfair Display', serif;
    font-size: 15px;
    font-weight: 700;
}

.pr-ph-score {
    font-size: 10.5px;
    font-weight: 800;
    margin-top: 1px;
}

/* 8. Vietnamese Mispronunciation Box (SpeechAce sound_most_like) */
.pr-coach-box {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.35);
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

html.dark .pr-coach-box {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.45);
}

.pr-coach-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: contain;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.2));
}

.pr-coach-text {
    font-size: 12.5px;
    line-height: 1.45;
    color: var(--pr-on-surface);
}

/* 9. Bottom Actions */
.pr-action-row {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.pr-btn-outline {
    flex: 1;
    height: 46px;
    border-radius: 14px;
    border: 1px solid var(--pr-border);
    background: transparent;
    color: var(--pr-on-surface);
    font-size: 13.5px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pr-btn-outline:active {
    transform: scale(0.97);
    background: rgba(119, 120, 107, 0.12);
}

.pr-btn-primary {
    flex: 1.2;
    height: 46px;
    border-radius: 14px;
    border: none;
    background: var(--pr-primary);
    color: var(--pr-on-primary);
    font-size: 13.5px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(82, 102, 0, 0.25);
    transition: all 0.2s ease;
}

.pr-btn-primary:active {
    transform: scale(0.97);
}