.quiz-main {
    flex: 1;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: clamp(20px, 3vw, 32px) 24px 40px;
}

/* ============ Tabs ============ */

.quiz-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--line);
    margin-bottom: 14px;
    overflow-x: auto;
    scrollbar-width: none;
}

.quiz-tabs::-webkit-scrollbar {
    display: none;
}

.quiz-tab {
    flex: 1;
    min-width: 80px;
    background: transparent;
    border: 0;
    border-bottom: 2px solid transparent;
    padding: 12px 8px 14px;
    cursor: pointer;
    text-align: center;
    color: var(--ink-soft);
    transition:
        color var(--transition),
        border-color var(--transition);
    margin-bottom: -1px;
    white-space: nowrap;
}

.quiz-tab:hover {
    color: var(--blue);
}

.quiz-tab:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: -3px;
    border-radius: var(--radius-sm);
}

.quiz-tab.is-active {
    color: var(--blue);
    border-bottom-color: var(--orange);
}

.quiz-tab-label {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

/* ============ Filter bar (rows) ============ */

.quiz-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 20px;
    padding: 4px 0 0;
}

.quiz-filter-chip {
    background: var(--surface);
    color: var(--ink-soft);
    border: 1px solid var(--line);
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.4px;
    cursor: pointer;
    border-radius: 999px;
    transition:
        background var(--transition),
        color var(--transition),
        border-color var(--transition);
    font-family: inherit;
}

.quiz-filter-chip:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.quiz-filter-chip:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 2px;
}

.quiz-filter-chip.is-active {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
}

.quiz-filter-chip.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Gurmukhi glyph inside a row chip — needs the Puratan font (the button
   itself inherits Inter, which would show the raw encoded roman char). */
.quiz-filter-chip-glyph {
    font-family: var(--font-gurmukhi);
    font-size: 16px;
    line-height: 1;
    display: inline-block;
}

/* "Row" label sitting after the glyph on a filter chip. */
.quiz-filter-chip-row {
    margin-left: 5px;
}

.quiz-filter-chip:has(.quiz-filter-chip-glyph) {
    display: inline-flex;
    align-items: center;
}

/* ============ Stage ============ */

.quiz-stage {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
}

.quiz-progress {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.quiz-progress-bar {
    flex: 1;
    height: 4px;
    background: var(--line);
    border-radius: 999px;
    overflow: hidden;
}

.quiz-progress-fill {
    height: 100%;
    background: var(--orange);
    border-radius: 999px;
    transition: width 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz-score {
    color: var(--blue);
    font-weight: 700;
}

/* ============ Question card ============ */

.quiz-question-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: clamp(20px, 3.5vw, 32px) 24px clamp(16px, 3vw, 24px);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.quiz-question-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 22px;
}

.quiz-question-glyph {
    font-family: var(--font-gurmukhi);
    font-size: clamp(40px, 5vw, 58px);
    font-weight: 700;
    color: var(--blue);
    line-height: 1.1;
    padding: 0.12em 0 0.18em;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============ Audio module (Mode B: hear-the-sound) ============ */

.quiz-audio-module {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
}

.quiz-audio-btn {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    border: 0;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition:
        background var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
    padding: 0;
    position: relative;
    animation: quizPulse 2.4s ease-in-out infinite;
}

@keyframes quizPulse {
    0%, 100% {
        box-shadow: var(--shadow-md), 0 0 0 0 rgba(21, 55, 107, 0.35);
    }
    50% {
        box-shadow: var(--shadow-md), 0 0 0 14px rgba(21, 55, 107, 0);
    }
}

.quiz-audio-btn.is-playing,
.quiz-audio-btn:hover,
.quiz-audio-btn:focus-visible {
    animation: none;
}

.quiz-audio-btn:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.quiz-audio-btn:active {
    transform: scale(0.97);
}

.quiz-audio-btn:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 3px;
}

.quiz-audio-btn.is-playing {
    background: var(--orange);
}

.quiz-audio-btn svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
    margin-left: 4px; /* visual centring of play triangle */
}

.quiz-audio-hint {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: var(--ink-faint);
}

/* ============ Audio preview row (Mode A: see-the-letter) ============ */
/* Sits separately above the choose buttons so audio can't be clicked accidentally */

.quiz-audio-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.quiz-audio-preview {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 10px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--blue);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition:
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
    font: inherit;
}

.quiz-audio-preview:hover {
    border-color: var(--blue);
    background: var(--blue-soft);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.quiz-audio-preview:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 2px;
}

.quiz-audio-preview.is-playing {
    background: var(--orange-soft);
    border-color: var(--orange);
    color: var(--orange-dark);
}

.quiz-audio-preview-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--blue-soft);
    color: var(--blue);
    font-weight: 700;
    font-size: 12px;
    transition: background var(--transition), color var(--transition);
}

.quiz-audio-preview.is-playing .quiz-audio-preview-letter {
    background: var(--orange);
    color: #fff;
}

.quiz-audio-preview-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.quiz-audio-preview-icon svg {
    width: 12px;
    height: 12px;
    fill: currentColor;
    margin-left: 1px;
}

/* ============ Options ============ */

.quiz-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.quiz-option {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition:
        background var(--transition),
        color var(--transition),
        border-color var(--transition),
        transform var(--transition),
        box-shadow var(--transition);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    font: inherit;
    color: inherit;
    width: 100%;
}

.quiz-option:hover {
    border-color: var(--blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.quiz-option:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 2px;
}

.quiz-option-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--blue-soft);
    color: var(--blue);
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    transition: background var(--transition), color var(--transition);
}

.quiz-option-label {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.2px;
    text-align: left;
}

/* Letter-mode option: shows a Gurmukhi glyph centred */
.quiz-option-glyph {
    flex: 1;
    font-family: var(--font-gurmukhi);
    font-weight: 700;
    color: var(--blue);
    font-size: clamp(40px, 5.5vw, 52px);
    line-height: 1.3;
    text-align: center;
    padding: 0.1em 0 0.05em;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dim other options after a commit */

/* States */

.quiz-option.is-correct {
    border-color: #16a34a;
    background: #f0fdf4;
}

.quiz-option.is-correct .quiz-option-letter {
    background: #16a34a;
    color: #fff;
}

.quiz-option.is-correct .quiz-option-glyph {
    color: #15803d;
}

.quiz-option.is-wrong {
    border-color: #dc2626;
    background: #fef2f2;
}

.quiz-option.is-wrong .quiz-option-letter {
    background: #dc2626;
    color: #fff;
}

.quiz-option.is-wrong .quiz-option-glyph {
    color: #b91c1c;
}

/* ===== Muharni quiz only (scoped via .quiz-main--muharni) ===== */
/* Muharni cells are letter+vowel clusters, taller/wider than single akhar,
   so the question card needs more breathing room and the option glyphs read
   better a little smaller. Akhar quiz is unaffected. */
.quiz-main--muharni .quiz-question-card {
    padding: clamp(36px, 5vw, 56px) 24px clamp(28px, 4vw, 40px);
}

.quiz-main--muharni .quiz-question-glyph {
    padding: 0.22em 0 0.34em;
}

.quiz-main--muharni .quiz-question-eyebrow {
    margin-bottom: 40px;
}

.quiz-main--muharni .quiz-option-glyph {
    font-size: clamp(30px, 4vw, 40px);
    padding: 0.2em 0 0.28em;
    line-height: 1.5;
}

.quiz-option.is-locked {
    cursor: default;
    pointer-events: none;
}

.quiz-option.is-locked.is-dim {
    opacity: 0.55;
}

/* ============ Feedback & actions ============ */

.quiz-feedback {
    text-align: center;
    padding: 16px 20px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--ink);
    display: block;
    min-height: 48px;
    line-height: 1.5;
}

.quiz-feedback-pa {
    font-family: var(--font-gurmukhi);
    font-weight: 700;
    font-size: 1.15em;
    line-height: 1;
    display: inline-block;
    vertical-align: -2px;
    margin: 0 1px;
}

.quiz-feedback.is-correct {
    color: #14532d;
    background: #f0fdf4;
    border-color: #86efac;
}

.quiz-feedback.is-wrong {
    color: #7f1d1d;
    background: #fef2f2;
    border-color: #fca5a5;
}

.quiz-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.quiz-actions .btn {
    min-width: 120px;
}

/* ============ Results ============ */

.quiz-results {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: clamp(40px, 6vw, 64px) 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.quiz-results-eyebrow {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.4px;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 16px;
}

.quiz-results-score {
    font-family: "Cormorant Garamond", "Iowan Old Style", "Apple Garamond", "Baskerville", "Times New Roman", "Times", Georgia, serif;
    font-weight: 600;
    font-size: clamp(56px, 10vw, 96px);
    line-height: 1;
    color: var(--blue);
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.quiz-results-total {
    font-size: 16px;
    color: var(--ink-soft);
    margin-bottom: 28px;
}

.quiz-results-message {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 28px;
}

/* ============ Results breakdown ============ */

.quiz-results-breakdown {
    margin-bottom: 28px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
}

.quiz-results-breakdown-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 16px 0 14px;
}

.quiz-results-breakdown-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.quiz-result-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    cursor: pointer;
    font: inherit;
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        background var(--transition);
}

.quiz-result-chip:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.quiz-result-chip:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 2px;
}

.quiz-result-chip.is-correct {
    background: #f0fdf4;
    border-color: #86efac;
}

.quiz-result-chip.is-wrong {
    background: #fef2f2;
    border-color: #fca5a5;
}

.quiz-result-chip-glyph {
    font-family: var(--font-gurmukhi);
    font-weight: 700;
    font-size: 20px;
    line-height: 1;
    color: var(--blue);
    display: inline-block;
    margin-top: -6px;
    margin-bottom: -2px;
}

.quiz-result-chip-mark {
    font-size: 11px;
    font-weight: 700;
}

.quiz-result-chip.is-correct .quiz-result-chip-mark {
    color: #16a34a;
}

.quiz-result-chip.is-wrong .quiz-result-chip-mark {
    color: #dc2626;
}

.quiz-result-chip.is-playing {
    background: var(--orange-soft);
    border-color: var(--orange);
}

/* ============ Responsive ============ */

@media (max-width: 640px) {
    .quiz-question-glyph {
        font-size: 42px;
    }

    .quiz-tab {
        padding: 12px 10px 14px;
    }

    .quiz-tab-label {
        font-size: 13px;
    }

    .quiz-tab-sub {
        font-size: 10px;
    }

    .quiz-options {
        grid-template-columns: 1fr;
    }

    .quiz-option {
        padding: 14px;
    }

    .quiz-audio-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .quiz-audio-btn {
        width: 68px;
        height: 68px;
    }

    .quiz-audio-btn svg {
        width: 24px;
        height: 24px;
    }
}