/* ============================================
   EDUCATION SECTION — COSMIC THEME EXTENSION
   Reuses tokens from main style.css
   ============================================ */

/* ----------------------------------------
   EDU PAGE LAYOUT
   ---------------------------------------- */
.edu-page {
    padding-top: calc(80px + var(--space-lg));
    min-height: 100vh;
}

.edu-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md) var(--space-2xl);
}

/* Breadcrumb */
.edu-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    flex-wrap: wrap;
}

.edu-breadcrumb a {
    color: var(--color-primary-light);
    transition: color var(--transition-fast);
}

.edu-breadcrumb a:hover {
    color: var(--color-accent);
}

.edu-breadcrumb__sep {
    opacity: 0.4;
}

/* Page Title */
.edu-title {
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary-light) 60%, var(--color-accent) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.edu-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

/* ----------------------------------------
   EDU LANDING CARDS GRID
   ---------------------------------------- */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.edu-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.edu-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--color-primary), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.edu-card:hover,
.edu-card:focus-visible {
    transform: translateY(-6px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.edu-card:hover::before {
    opacity: 0.12;
}

.edu-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.4));
}

.edu-card__title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.edu-card__desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    flex-grow: 1;
    margin-bottom: var(--space-sm);
    line-height: 1.5;
}

.edu-card__arrow {
    font-size: 1.1rem;
    color: var(--color-primary-light);
    transition: transform var(--transition-fast);
    align-self: flex-end;
}

.edu-card:hover .edu-card__arrow {
    transform: translateX(6px);
}

/* ----------------------------------------
   EDU QUIZ LIST (Legacy — kept for compat)
   ---------------------------------------- */
.quiz-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.quiz-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.quiz-item:hover {
    transform: translateY(-3px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.quiz-item__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.quiz-item__info {
    flex: 1;
}

.quiz-item__title {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.quiz-item__desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.quiz-item__arrow {
    font-size: 1.3rem;
    color: var(--color-primary-light);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.quiz-item:hover .quiz-item__arrow {
    transform: translateX(6px);
}

/* ----------------------------------------
   QUIZ CATALOG — Filters
   ---------------------------------------- */
.quiz-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    align-items: center;
}

.quiz-search-wrap {
    position: relative;
    flex: 1 1 240px;
    max-width: 320px;
}

.quiz-search-input {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 2.4rem;
    font-size: 0.9rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.quiz-search-input::placeholder {
    color: var(--color-text-muted);
}

.quiz-search-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.quiz-search-icon {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    pointer-events: none;
}

.quiz-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.quiz-chip {
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.quiz-chip:hover {
    border-color: var(--color-primary);
    color: var(--color-text);
}

.quiz-chip--active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-color: transparent;
    color: #fff;
}

.quiz-sort-select {
    padding: 0.5rem 0.8rem;
    font-size: 0.85rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    cursor: pointer;
}

.quiz-sort-select option {
    background: #1a1040;
    color: var(--color-text);
}

/* ----------------------------------------
   QUIZ CATALOG GRID — Cards
   ---------------------------------------- */
.quiz-catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.quiz-catalog-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.quiz-catalog-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--color-primary), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.quiz-catalog-card:hover,
.quiz-catalog-card:focus-visible {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.quiz-catalog-card:hover::before {
    opacity: 0.1;
}

.quiz-catalog-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.quiz-catalog-card__icon {
    font-size: 2.2rem;
    filter: drop-shadow(0 0 6px rgba(139, 92, 246, 0.4));
}

.quiz-catalog-card__badge {
    padding: 0.2rem 0.6rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    color: #fff;
}

.badge--hot {
    background: linear-gradient(135deg, #f59e0b, #ea580c);
}

.badge--new {
    background: linear-gradient(135deg, var(--color-accent), #0891b2);
}

.badge--rec {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent-pink));
}

.quiz-catalog-card__title {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.quiz-catalog-card__desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-sm);
    flex-grow: 1;
}

.quiz-catalog-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.quiz-catalog-card__stars {
    color: var(--color-accent-orange);
    letter-spacing: 2px;
}

.quiz-catalog-card__best {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-accent-green);
    margin-bottom: var(--space-sm);
}

.quiz-catalog-card__btn {
    width: 100%;
    display: flex;
    justify-content: center;
}

.quiz-catalog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* ----------------------------------------
   VOICE COMMANDS BLOCK
   ---------------------------------------- */
.voice-commands-block {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    margin-top: var(--space-md);
}

.voice-commands-block__header {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.voice-commands-block__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.voice-cmd-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.voice-cmd-item:hover {
    border-color: var(--color-primary);
    color: var(--color-text);
}

.voice-cmd-item__arrow {
    color: var(--color-primary-light);
}

/* ----------------------------------------
   MODE SELECT GRID
   ---------------------------------------- */
.mode-select-grid,
.deck-mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.mode-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-lg) var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--color-text);
}

.mode-card:hover:not(.mode-card--disabled) {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.mode-card--disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.mode-card__icon {
    font-size: 2rem;
    margin-bottom: var(--space-xs);
}

.mode-card__title {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.mode-card__desc {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* ----------------------------------------
   QUIZ SETTINGS
   ---------------------------------------- */
.quiz-settings {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.quiz-settings__toggle {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.quiz-settings__toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* ----------------------------------------
   QUIZ GAME UI
   ---------------------------------------- */
.quiz-game {
    max-width: 700px;
    margin: 0 auto;
}

.quiz-game-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.quiz-game-back {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--space-xs);
}

.quiz-game-back:hover {
    color: var(--color-text);
}

.quiz-game-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    flex: 1;
}

.quiz-game-mode-badge {
    padding: 0.2rem 0.7rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
    color: #fff;
}

/* Timer */
.quiz-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.quiz-timer--warning {
    color: #ef4444;
    animation: pulse-warn 0.5s ease-in-out infinite alternate;
}

/* Combo indicator */
.quiz-combo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-accent-orange);
    margin-bottom: var(--space-md);
    transition: transform 0.15s ease;
}

.quiz-combo--active {
    transform: scale(1.2);
}

.quiz-combo__fire {
    font-size: 1.5rem;
}

.quiz-combo__label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* Progress bar */
.quiz-progress {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.quiz-progress__bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.quiz-progress__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.quiz-progress__text {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.quiz-question {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

/* Choice options */
.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1rem;
    color: var(--color-text);
    text-align: left;
    width: 100%;
    min-height: 52px;
}

.quiz-option:hover:not(.quiz-option--disabled) {
    border-color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
}

.quiz-option--correct {
    border-color: var(--color-accent-green) !important;
    background: rgba(16, 185, 129, 0.15) !important;
}

.quiz-option--wrong {
    border-color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.15) !important;
}

.quiz-option--disabled {
    pointer-events: none;
    opacity: 0.7;
}

.quiz-option__marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.quiz-option--correct .quiz-option__marker {
    background: rgba(16, 185, 129, 0.3);
    color: var(--color-accent-green);
}

.quiz-option--wrong .quiz-option__marker {
    background: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* True/False buttons */
.quiz-tf {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.quiz-tf__btn {
    flex: 1;
    max-width: 200px;
    padding: var(--space-md) var(--space-lg);
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.quiz-tf__btn--true:hover:not(:disabled) {
    border-color: var(--color-accent-green);
    background: rgba(16, 185, 129, 0.1);
}

.quiz-tf__btn--false:hover:not(:disabled) {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.quiz-tf__btn--right {
    border-color: var(--color-accent-green) !important;
    background: rgba(16, 185, 129, 0.15) !important;
}

.quiz-tf__btn--wrong {
    border-color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.15) !important;
}

/* Input answer */
.quiz-input-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
    max-width: 100%;
}

.quiz-input-helpers {
    display: flex;
    gap: 6px;
}

.quiz-input-helpers button {
    height: 46px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.2rem;
    padding: 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-primary-light);
    cursor: pointer;
    transition: all 0.2s;
}

.quiz-input-helpers button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
    border-color: var(--color-primary);
}

.quiz-answer-input {
    flex: 1;
    padding: 0.7rem 1rem;
    font-size: 1.05rem;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.quiz-answer-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.quiz-input--correct {
    border-color: var(--color-accent-green) !important;
    background: rgba(16, 185, 129, 0.1) !important;
}

.quiz-input--wrong {
    border-color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.1) !important;
}

/* Hint */
.quiz-hint {
    margin-top: var(--space-md);
}

.quiz-hint__btn {
    font-size: 0.85rem;
    color: var(--color-accent);
    cursor: pointer;
    background: none;
    border: none;
    transition: color var(--transition-fast);
    padding: var(--space-xs);
}

.quiz-hint__btn:hover {
    color: var(--color-primary-light);
}

.quiz-hint__text {
    margin-top: var(--space-xs);
    padding: var(--space-sm);
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: var(--radius-sm);
    line-height: 1.5;
}

/* Explanation */
.quiz-explanation {
    margin-top: var(--space-sm);
    padding: var(--space-sm);
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-sm);
}

.quiz-explanation__text {
    font-size: 0.88rem;
    color: var(--color-primary-light);
    line-height: 1.5;
}

.quiz-next-btn {
    margin-top: var(--space-lg);
}

/* ----------------------------------------
   QUIZ / TRAINER RESULTS
   ---------------------------------------- */
.result-box {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
}

.result-box--enhanced {
    border-image: linear-gradient(135deg, var(--color-primary), var(--color-accent)) 1;
    border-width: 2px;
    border-style: solid;
    border-radius: var(--radius-xl);
    border-image: none;
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.15);
}

.result-box__emoji {
    font-size: 3.5rem;
    margin-bottom: var(--space-sm);
    filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.4));
    animation: result-bounce 0.6s ease;
}

@keyframes result-bounce {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }

    50% {
        transform: scale(1.15);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.result-box__score {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-xs);
}

.result-box__title {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.result-box__label {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.result-box__actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--space-md);
}

/* Stats row */
.result-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--glass-border);
}

.result-stat {
    text-align: center;
}

.result-stat__value {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-accent);
}

.result-stat__label {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.2rem;
}

/* Mistakes list */
.mistakes-list {
    margin-top: var(--space-lg);
    text-align: left;
}

.mistakes-list__title {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: #ef4444;
}

.mistake-item {
    padding: var(--space-sm) var(--space-md);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xs);
    font-size: 0.9rem;
    line-height: 1.5;
}

.mistake-item__q {
    color: var(--color-text-secondary);
    margin-bottom: 0.2rem;
}

.mistake-item__your {
    color: #ef4444;
    font-size: 0.85rem;
}

.mistake-item__answer {
    color: var(--color-accent-green);
    font-weight: 600;
}

/* ----------------------------------------
   TRAINER UI
   ---------------------------------------- */
.trainer-settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.trainer-setting {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.trainer-setting label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    min-width: 140px;
}

.trainer-select,
.trainer-input {
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

.trainer-select:focus,
.trainer-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.trainer-select option {
    background: #1a1040;
    color: var(--color-text);
}

.trainer-checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.trainer-checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
}

/* Trainer question display */
.trainer-question {
    text-align: center;
    padding: var(--space-xl) 0;
}

.trainer-question__expr {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.trainer-question__input-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.trainer-answer-input {
    width: 140px;
    padding: 0.8rem 1rem;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.trainer-answer-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.trainer-answer-input--correct {
    border-color: var(--color-accent-green) !important;
    background: rgba(16, 185, 129, 0.1) !important;
}

.trainer-answer-input--wrong {
    border-color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.1) !important;
}

.trainer-timer {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.trainer-timer--warning {
    color: var(--color-accent-orange);
    animation: pulse-warn 0.5s ease-in-out infinite alternate;
}

@keyframes pulse-warn {
    from {
        opacity: 0.7;
    }

    to {
        opacity: 1;
    }
}

.trainer-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

.trainer-stat {
    text-align: center;
}

.trainer-stat__value {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
}

.trainer-stat__value--correct {
    color: var(--color-accent-green);
}

.trainer-stat__value--wrong {
    color: #ef4444;
}

.trainer-stat__label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ----------------------------------------
   FLASHCARD DECK CATALOG
   ---------------------------------------- */
.deck-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.deck-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-lg) var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.deck-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--color-accent), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.deck-card:hover,
.deck-card:focus-visible {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 8px 30px rgba(6, 182, 212, 0.25);
}

.deck-card:hover::before {
    opacity: 0.1;
}

.deck-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.4));
}

.deck-card__title {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.deck-card__desc {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    flex-grow: 1;
}

.deck-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.deck-card__progress-num {
    color: var(--color-accent-green);
    font-weight: 600;
}

.deck-card__progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.deck-card__progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-green), var(--color-accent));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.deck-card__btn {
    width: 100%;
}

/* ----------------------------------------
   FLASHCARD GAME UI
   ---------------------------------------- */
.fc-game-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.fc-back-btn {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--space-xs);
    transition: color var(--transition-fast);
}

.fc-back-btn:hover {
    color: var(--color-text);
}

.fc-game-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    flex: 1;
}

.fc-mode-badge {
    padding: 0.2rem 0.7rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, var(--color-accent-green), var(--color-accent));
    border-radius: var(--radius-full);
    color: #fff;
}

.fc-mode-badge--test {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent-pink));
}

.fc-mode-badge--review {
    background: linear-gradient(135deg, var(--color-accent-orange), #ea580c);
}

/* Progress bar */
.fc-progress {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.fc-progress__bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.fc-progress__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-green));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.fc-progress__text {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* Streak */
.fc-streak {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent-orange);
    margin-bottom: var(--space-sm);
    animation: streak-pop 0.3s ease;
}

@keyframes streak-pop {
    0% {
        transform: scale(0.8);
    }

    50% {
        transform: scale(1.15);
    }

    100% {
        transform: scale(1);
    }
}

/* The 3D flip card */
.fc-card-container {
    perspective: 900px;
    max-width: 480px;
    margin: 0 auto var(--space-md);
    position: relative;
    transition: transform 0.25s ease;
}

.fc-card-exit-right {
    transform: translateX(100px);
    opacity: 0;
}

.fc-card-exit-left {
    transform: translateX(-100px);
    opacity: 0;
}

.fc-card {
    position: relative;
    width: 100%;
    min-height: 240px;
    cursor: pointer;
    outline: none;
}

.fc-card__inner {
    position: relative;
    width: 100%;
    min-height: 240px;
    transition: transform 0.5s ease;
    transform-style: preserve-3d;
}

.fc-card--flipped .fc-card__inner {
    transform: rotateY(180deg);
}

.fc-card__front,
.fc-card__back {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.6;
}

.fc-card__front {
    color: var(--color-text);
}

.fc-card__back {
    transform: rotateY(180deg);
    background: rgba(139, 92, 246, 0.08);
    border-color: var(--color-primary);
    color: var(--color-accent-green);
    font-weight: 700;
    font-size: 1.3rem;
}

/* Swipe hint */
.fc-swipe-hint {
    text-align: center;
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

/* Action buttons */
.fc-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.fc-action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text);
}

.fc-action-btn:hover {
    transform: translateY(-2px);
}

.fc-action-btn--know:hover {
    border-color: var(--color-accent-green);
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-accent-green);
}

.fc-action-btn--dont-know:hover {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.fc-action-btn--flip:hover {
    border-color: var(--color-primary);
    background: rgba(139, 92, 246, 0.1);
}

/* Test mode */
.fc-test-question {
    font-size: 1.15rem;
    font-weight: 600;
    text-align: center;
    padding: var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.fc-test-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 500px;
    margin: 0 auto;
}

.fc-test-next {
    display: block;
    margin: var(--space-md) auto 0;
}

/* Achievements */
.fc-achievements {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--glass-border);
}

.fc-achievements h3 {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.fc-achievement-item {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: var(--space-xs);
    animation: achievement-slide 0.4s ease;
}

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

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ----------------------------------------
   FLASHCARD OLD UI (Legacy - kept)
   ---------------------------------------- */
.flashcard-modes {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.mode-btn {
    padding: 0.7rem 1.4rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mode-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

.mode-btn--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.flashcard {
    perspective: 800px;
    max-width: 500px;
    margin: 0 auto var(--space-lg);
    cursor: pointer;
}

.flashcard__inner {
    position: relative;
    width: 100%;
    min-height: 220px;
    transition: transform 0.6s ease;
    transform-style: preserve-3d;
}

.flashcard--flipped .flashcard__inner {
    transform: rotateY(180deg);
}

.flashcard__face {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backface-visibility: hidden;
    text-align: center;
    font-size: 1.15rem;
    line-height: 1.6;
}

.flashcard__face--front {
    color: var(--color-text);
}

.flashcard__face--back {
    transform: rotateY(180deg);
    background: rgba(139, 92, 246, 0.08);
    border-color: var(--color-primary);
    color: var(--color-accent-green);
    font-weight: 600;
}

.flashcard-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.flashcard-nav__btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-text);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.flashcard-nav__btn:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--color-primary);
}

.flashcard-nav__counter {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.flashcard-hint {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

/* Flashcard test mode */
.flashcard-test {
    max-width: 500px;
    margin: 0 auto;
}

.flashcard-test__question {
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    padding: var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

/* ----------------------------------------
   AI / ESP32 PAGE
   ---------------------------------------- */
.ai-section {
    margin-bottom: var(--space-xl);
}

.ai-section__title {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.ai-section__text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.ai-rules-list {
    list-style: none;
    padding: 0;
}

.ai-rules-list li {
    padding: var(--space-xs) 0;
    padding-left: var(--space-lg);
    position: relative;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.ai-rules-list li::before {
    content: '✅';
    position: absolute;
    left: 0;
    top: var(--space-xs);
}

.voice-commands {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.voice-cmd {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    flex-wrap: wrap;
}

.voice-cmd:hover {
    border-color: var(--color-primary);
}

.voice-cmd__icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.voice-cmd__text {
    flex: 1;
    font-size: 0.95rem;
    font-style: italic;
    color: var(--color-text-secondary);
    min-width: 160px;
}

.voice-cmd__link {
    flex-shrink: 0;
}

.voice-cmd__link .btn {
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
}

.esp-card {
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(6, 182, 212, 0.08));
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.1);
}

.esp-card__title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.esp-card__text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ----------------------------------------
   SHARED BUTTONS (EDU)
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.6rem 1.2rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn--edu {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
    padding: 0.65rem 1.3rem;
    font-size: 0.9rem;
}

.btn--edu:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.4);
}

.btn--outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary-light);
}

.btn--outline:hover {
    background: rgba(139, 92, 246, 0.1);
}

/* ----------------------------------------
   RESPONSIVE: EDU MOBILE
   ---------------------------------------- */
@media (max-width: 767px) {
    .edu-page {
        padding-top: calc(60px + var(--space-md));
    }

    .edu-grid {
        grid-template-columns: 1fr;
    }

    .quiz-item {
        flex-direction: column;
        text-align: center;
    }

    .quiz-item__arrow {
        transform: rotate(90deg);
    }

    .quiz-item:hover .quiz-item__arrow {
        transform: rotate(90deg) translateX(6px);
    }

    .flashcard-modes {
        justify-content: center;
    }

    .trainer-setting {
        flex-direction: column;
        align-items: flex-start;
    }

    .trainer-setting label {
        min-width: unset;
    }

    .voice-cmd {
        flex-direction: column;
        text-align: center;
    }

    .trainer-question__expr {
        font-size: 2.2rem;
    }

    .result-box__score {
        font-size: 2rem;
    }

    /* Quiz catalog */
    .quiz-catalog-grid {
        grid-template-columns: 1fr;
    }

    .quiz-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .quiz-search-wrap {
        max-width: 100%;
    }

    .quiz-chips {
        justify-content: center;
    }

    .quiz-sort-select {
        width: 100%;
    }

    /* Mode grid */
    .mode-select-grid,
    .deck-mode-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Quiz game */
    .quiz-game-header {
        flex-wrap: nowrap;
    }

    .quiz-game-title {
        font-size: 0.95rem;
    }

    .quiz-tf {
        flex-direction: column;
        align-items: center;
    }

    .quiz-tf__btn {
        max-width: 100%;
        width: 100%;
    }

    .quiz-input-wrap {
        flex-direction: column;
        align-items: stretch;
    }

    /* Deck cards */
    .deck-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .deck-card {
        padding: var(--space-md) var(--space-sm);
    }

    .deck-card__icon {
        font-size: 2rem;
    }

    /* Flashcard */
    .fc-card__front,
    .fc-card__back {
        font-size: 1rem;
        padding: var(--space-md);
    }

    .fc-card__back {
        font-size: 1.1rem;
    }

    .fc-actions {
        gap: var(--space-sm);
    }

    .fc-action-btn {
        padding: 0.5rem 0.9rem;
        font-size: 0.82rem;
    }

    .result-stats {
        gap: var(--space-md);
    }

    .result-stat__value {
        font-size: 1.3rem;
    }

    .voice-commands-block {
        padding: var(--space-sm);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .fc-card__inner {
        transition: none;
    }

    .fc-card-container {
        transition: none;
    }

    .quiz-progress__fill,
    .fc-progress__fill {
        transition: none;
    }

    .result-box__emoji {
        animation: none;
    }

    .fc-streak {
        animation: none;
    }

    .fc-achievement-item {
        animation: none;
    }
}

/* ----------------------------------------
   QUIZ SORTING (Interactive List)
   ---------------------------------------- */
.quiz-sort-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.quiz-sort-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.quiz-sort-item:hover {
    border-color: var(--color-primary);
}

.quiz-sort-handle {
    cursor: grab;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    user-select: none;
}

.quiz-sort-text {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 500;
}

.quiz-sort-controls {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sort-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--color-text);
    width: 28px;
    height: 28px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.sort-btn:hover:not(:disabled) {
    background: var(--color-primary);
}

.sort-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.sort-item--correct {
    border-color: var(--color-accent-green);
    background: rgba(16, 185, 129, 0.15);
}

.sort-item--wrong {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
}

/* ----------------------------------------
   INPUT STYLES EXTENSION
   ---------------------------------------- */
.quiz-answer-input {
    width: 100%;
    padding: var(--space-md);
    font-size: 1.2rem;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.quiz-answer-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.quiz-input--correct {
    border-color: var(--color-accent-green);
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-accent-green);
}

.quiz-input--wrong {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* ----------------------------------------
   MISTAKES LIST
   ---------------------------------------- */
.mistakes-list {
    margin-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
    padding-top: var(--space-md);
    text-align: left;
    width: 100%;
}

.mistakes-list__title {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    color: #ef4444;
}

.mistake-item {
    background: rgba(239, 68, 68, 0.05);
    border-left: 3px solid #ef4444;
    padding: var(--space-sm);
    margin-bottom: var(--space-xs);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.9rem;
}

.mistake-item__q {
    font-weight: 600;
    margin-bottom: 4px;
}

.mistake-item__your {
    color: #ef4444;
    font-size: 0.85rem;
}

.mistake-item__answer {
    color: var(--color-accent-green);
    font-size: 0.85rem;
    font-weight: 600;
}