/* Variables CSS */
:root {
    --primary-color: #4CAF50;
    --primary-light: #81C784;
    --primary-dark: #388E3C;
    
    --secondary-color: #2196F3;
    --secondary-light: #64B5F6;
    --secondary-dark: #1976D2;
    
    --accent-color: #FF9800;
    --accent-light: #FFE0B2;
    --accent-dark: #F57C00;
    
    --error-color: #fff3e0;
    --success-color: #E8F5E8;
    --info-color: #E3F2FD;
    
    --text-primary: #212121;
    --text-dark: #1b1b1b;
    --text-secondary: #757575;
    --text-light: #FFFFFF;
    
    --background: #F5F5F5;
    --surface: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1);
    --info-bg: #e9f4ff;
    --info-text: #1f4f7a;
    --info-border: #9dc8eb;
    
    --border-radius: 12px;
    --border-radius-small: 8px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    --font-family: 'OpenDyslexic', 'Atkinson Hyperlegible', 'Montserrat', 'Trebuchet MS', 'Segoe UI', sans-serif;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
}

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-sm);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    text-shadow: 2px 2px 4px var(--shadow);
}

.subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
}

.subtitle::before {
    content: "- ";
}

/* Main content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Sections */
.input-section,
.tiles-section,
.question-section,
.feedback-section {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 6px var(--shadow);
    transition: all 0.3s ease;
}

.hidden {
    display: none !important;
}

/* Input section */
.input-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.input-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.input-actions .btn {
    width: 300px;
    max-width: 300px;
    flex: 0 0 300px;
}

.input-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.sentence-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    resize: vertical;
    transition: all 0.3s ease;
}

.sentence-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.sentence-input:disabled {
    background: #f5f5f5;
    color: #999;
    cursor: not-allowed;
    border-style: dashed;
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    min-height: 48px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-success {
    background: var(--primary-color);
    color: var(--text-light);
}

.btn-success:hover {
    background: var(--primary-dark);
}

.btn-info {
    background: var(--secondary-color);
    color: var(--text-light);
}

.btn-info:hover {
    background: var(--secondary-dark);
}

.btn-secondary {
    background: #9E9E9E;
    color: var(--text-light);
}

.btn-secondary:hover {
    background: #757575;
}

/* Tiles section */
.words-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.word-tile {
    background: var(--surface);
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius-small);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    position: relative;
}

.word-tile:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
    border-color: var(--secondary-color);
}

.word-tile.error {
    background: var(--error-color);
    border-color: var(--accent-color);
    animation: pulse 2s infinite;
}

.word-tile.error:hover {
    background: #FFE8CC;
    border-color: var(--accent-dark);
}

.word-tile.initial-cap-alert {
    border-color: #ff9800;
    animation: pulse 1.4s infinite;
}

.word-tile.mirror-confusion {
    animation: shake-soft 0.35s ease-in-out 2;
}

.word-tile.metathese-focus {
    border-style: dashed;
    border-color: var(--secondary-dark);
}

.word-tile.selected {
    background: var(--info-color);
    border-color: var(--secondary-color);
    color: var(--primary-dark);
}

.word-tile.corrected {
    background: var(--success-color);
    border-color: var(--primary-color);
    color: var(--primary-dark);
    flex-direction: column;
    gap: 2px;
    padding: 4px 12px;
}

.mot-barre {
    text-decoration: line-through;
    opacity: 0.5;
    font-size: 0.85em;
}

.mot-corrige {
    color: #fff;
    border-radius: 4px;
    padding: 2px 8px;
    font-weight: bold;
    font-size: 1em;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.word-tile.punctuation-missing-tile {
    min-width: 28px;
    width: 28px;
    min-height: 42px;
    border-style: dashed;
}

.word-tile.missing-word-tile {
    min-width: 44px;
    min-height: 42px;
    border-style: dashed;
}

.mot-barre {
    color: #c62828;
    text-decoration: line-through;
    text-decoration-thickness: 2px;
    font-weight: 700;
}

.mot-separateur {
    color: #8d6e63;
    font-weight: 800;
    opacity: 0.9;
}

.mot-corrige {
    color: #1b5e20;
    font-weight: 800;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 152, 0, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 152, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 152, 0, 0);
    }
}

@keyframes shake-soft {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

/* Word interaction */
.word-interaction {
    background: var(--info-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
}


.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.quick-action-btn {
    min-height: 42px;
}

.quick-note {
    flex: 1 1 100%;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-small);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-align: center;
}

.interaction-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.correction-input {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.correction-label {
    font-weight: 600;
    color: var(--text-primary);
}

.correction-field {
    padding: var(--spacing-md);
    border: 2px solid var(--secondary-color);
    border-radius: var(--border-radius-small);
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    transition: all 0.3s ease;
}

.correction-field:focus {
    outline: none;
    border-color: var(--secondary-dark);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}


.correction-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Question section */
.question-container {
    text-align: center;
}

.question-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.question-icon {
    font-size: var(--font-size-xl);
}

.question-title {
    font-size: var(--font-size-xl);
    color: var(--text-primary);
    font-weight: 600;
}

.question-text {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--border-radius);
    text-align: center;
}

.question-prompt-box {
    width: 100%;
    margin-bottom: 0;
}

.answer-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
}

.question-flow-stack {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: stretch;
}

.answer-options .info-box {
    flex: 1 1 100%;
    max-width: 100%;
    margin-bottom: 0;
}

.info-continue-btn {
    margin-top: var(--spacing-sm);
    align-self: center;
}

.answer-option {
    background: var(--surface);
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    min-width: 80px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.answer-option.word-choice-tile {
    border-radius: var(--border-radius-small);
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 50px;
    height: 50px;
    max-height: 50px;
    min-width: 80px;
    font-size: var(--font-size-md);
    font-weight: 500;
    box-shadow: none;
}

.answer-option.word-choice-tile.subject-number-choice {
    min-width: 150px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.answer-option:hover {
    background: var(--secondary-light);
    border-color: var(--secondary-color);
    color: var(--text-light);
    transform: translateY(-2px);
}

.answer-option.selected {
    background: var(--secondary-color);
    border-color: var(--secondary-dark);
    color: var(--text-light);
}

.answer-option.primary {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--text-light);
    font-weight: 600;
}

.answer-option.primary:hover {
    background: var(--secondary-dark);
    border-color: var(--secondary-dark);
    transform: translateY(-2px);
}

/* Info box */
.info-box {
    background: var(--surface);
    border: 2px solid var(--secondary-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.info-box h4 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.info-box-memory {
    border-color: #ffd180;
    background: #fff8e8;
}

.info-box-memory h4 {
    color: #b26a00;
}

.info-box p {
    color: var(--text-primary);
    line-height: 1.6;
}

.exemples-regle {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    border-radius: var(--border-radius-small);
}

.exemples-titre {
    color: var(--info-text);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.exemple-item {
    margin: var(--spacing-xs) 0;
    color: var(--text-primary);
}

.regle-memo {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-light);
    border-left: 4px solid var(--accent-color);
    border-radius: var(--border-radius-small);
    color: var(--text-primary);
    font-weight: 500;
    white-space: pre-line;
}

/* Rappel box */
.rappel-box {
    background: var(--surface);
    border: 2px dashed var(--secondary-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-style: italic;
}

.options-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    flex: 1 1 100%;
}

/* Terminaison question */
.info-title {
    color: var(--secondary-color);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.terminaison-question {
    background: var(--surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-lg);
    line-height: 1.6;
}

.terminaison-exemples {
    background: var(--surface);
    border: 2px solid var(--secondary-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.terminaison-exemples p {
    margin: var(--spacing-xs) 0;
    font-size: var(--font-size-base);
}

.terminaison-exemples strong {
    color: var(--secondary-color);
}

/* Mots de la famille */
.mots-famille-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.mot-famille {
    background: var(--secondary-light);
    color: var(--text-dark);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.invariable-game {
    background: #fff8e1;
    border: 2px solid #ffe082;
    border-radius: 14px;
    padding: 16px;
    margin-top: 8px;
}

.invariable-game-title {
    margin: 0 0 8px 0;
    color: #6d4c41;
}

.invariable-game-intro {
    margin: 0 0 12px 0;
    color: #5d4037;
}

.invariable-slots {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.invariable-slot {
    min-width: 38px;
    height: 44px;
    border-radius: 10px;
    border: 2px solid #bcaaa4;
    background: #fff;
    color: #4e342e;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
}

.invariable-slot.is-active {
    border-color: #ff9800;
    box-shadow: 0 0 0 3px rgba(255, 152, 0, 0.2);
}

.invariable-slot.is-correct {
    border-color: #2e7d32;
    color: #2e7d32;
    background: #e8f5e9;
}

.invariable-slot.is-wrong {
    border-color: #c62828;
    color: #c62828;
    background: #ffebee;
    animation: invariable-shake 0.22s ease-in-out;
}

.invariable-slot.is-hint {
    border-color: #ef6c00;
    color: #ef6c00;
    background: #fff3e0;
}

.invariable-attempts {
    display: flex;
    gap: 6px;
    margin-top: 12px;
}

.invariable-attempt-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #26a69a;
    opacity: 0.95;
}

.invariable-attempt-dot.off {
    background: #cfd8dc;
    opacity: 0.6;
}

@keyframes invariable-shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    50% { transform: translateX(2px); }
    75% { transform: translateX(-2px); }
    100% { transform: translateX(0); }
}

.info-aide {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--primary-light);
    border-radius: var(--border-radius);
    font-style: italic;
    text-align: center;
}

.info-aide p {
    margin: var(--spacing-xs) 0;
    line-height: 1.6;
}

/* Proposition container */
.proposition-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    width: 100%;
}

.proposition-input {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius);
    text-align: center;
    transition: border-color 0.3s ease;
}

.proposition-input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

/* Feedback section */
.feedback-container {
    text-align: center;
}

.feedback-message {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}

.feedback-message.success {
    background: var(--success-color);
    color: var(--primary-dark);
    border-left: 4px solid var(--primary-color);
}

.feedback-message.error {
    background: var(--error-color);
    color: var(--accent-dark);
    border-left: 4px solid var(--accent-color);
}

.feedback-message.info {
    background: var(--info-bg);
    color: var(--info-text);
    border: 1px solid var(--info-border);
    text-align: left;
}

/* Progress section */
.progress-section {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 2px 4px var(--shadow);
}

.progress-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.progress-text {
    font-weight: 600;
    color: var(--text-primary);
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: #E0E0E0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.5s ease;
    border-radius: 4px;
}

.progress-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-md);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
    border-top: 1px solid #E0E0E0;
}

/* Modales */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-md);
}

.modal-overlay.hidden {
    display: none;
}

.modal-felicitations {
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    animation: modal-in 0.3s ease;
}

.modal-analyse {
    max-width: 420px;
}

.analyse-progress-bar {
    width: 100%;
    height: 12px;
    background: #E0E0E0;
    border-radius: 999px;
    overflow: hidden;
}

.analyse-progress-fill {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    transition: width 0.25s ease;
    border-radius: 999px;
}

@keyframes modal-in {
    from { transform: scale(0.85); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.modal-felicitations-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.modal-felicitations-titre {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.modal-felicitations-texte {
    font-size: var(--font-size-md);
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.modal-confirmation {
    max-width: 520px;
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Boutons flottants */
.abe-floating-btn {
    position: fixed;
    z-index: 1200;
    right: 20px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.16);
}

.abe-reset-btn {
    bottom: 20px;
}

.abe-oral-btn {
    top: 20px;
    background: #6fb08e;
    color: #ffffff;
}

.abe-oral-btn:hover {
    background: #5d9e7d;
}

/* Lecteur oral */
.abe-oral-player {
    position: fixed;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f6fbf8;
    border: 1px solid #cde6d7;
    border-radius: 999px;
    padding: 8px 10px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
    z-index: 1199;
}

.abe-oral-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #b9d8c6;
    background: #ffffff;
    color: #2f6b52;
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.abe-oral-icon-btn:hover {
    transform: translateY(-1px);
    background: #ecf7f0;
    border-color: #8fbea5;
}

.abe-oral-icon-btn.active {
    background: #2f6b52;
    border-color: #2f6b52;
    color: #ffffff;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        width: 100%;
        padding: var(--spacing-sm);
    }

    .header {
        gap: 6px;
        padding: var(--spacing-sm) 0;
        margin-bottom: var(--spacing-md);
    }
    
    .logo {
        font-size: var(--font-size-xl);
    }
    
    .subtitle {
        font-size: var(--font-size-md);
    }
    
    .words-container {
        gap: var(--spacing-xs);
    }
    
    .word-tile {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .interaction-buttons,
    .correction-buttons,
    .answer-options,
    .progress-actions,
    .quick-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }

    .input-actions .btn {
        width: 300px;
        max-width: 300px;
        flex: 0 0 300px;
    }
    
    .progress-info {
        flex-direction: column;
        text-align: center;
    }
    
    .progress-bar {
        width: 100%;
    }

    .abe-floating-btn {
        right: 12px;
    }

    .abe-oral-btn {
        top: 12px;
    }

    .abe-reset-btn {
        bottom: 12px;
    }

    .abe-oral-player {
        right: 12px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
.btn:focus,
.word-tile:focus,
.answer-option:focus,
.correction-field:focus,
.sentence-input:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow: rgba(0, 0, 0, 0.3);
    }
    
    .word-tile,
    .answer-option {
        border-width: 3px;
    }
}