/* ===== VARIABLES ===== */
:root {
    /* Light theme colors */
    --primary-color: #4a6fa5;
    --primary-color-light: #6b8cb8;
    --primary-color-dark: #345888;
    --secondary-color: #f9a826;
    --accent-color: #e74c3c;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --text-color: #333333;
    --text-color-light: #666666;
    --background-color: #f5f7fa;
    --card-background: #ffffff;
    --border-color: #e1e5eb;
    --shadow-color: rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Font sizes - Desktop first */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;

    /* Mobile-specific variables */
    --mobile-font-size-xs: 0.875rem;
    --mobile-font-size-sm: 1rem;
    --mobile-font-size-md: 1.125rem;
    --mobile-font-size-lg: 1.375rem;
    --mobile-font-size-xl: 1.75rem;
    --mobile-font-size-xxl: 2.25rem;

    /* Touch-friendly sizes */
    --mobile-button-height: 48px;
    --mobile-input-height: 48px;
    --mobile-spacing-md: 1.25rem;
    --mobile-spacing-lg: 2rem;

    /* Transitions */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
}

/* Dark theme colors */
.dark-theme {
    --primary-color: #5d8acd;
    --primary-color-light: #7aa1db;
    --primary-color-dark: #4a6fa5;
    --secondary-color: #ffb74d;
    --text-color: #e1e5eb;
    --text-color-light: #b0b8c4;
    --background-color: #1a1d21;
    --card-background: #282c34;
    --border-color: #3e4451;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: var(--font-size-xxl);
}

h2 {
    font-size: var(--font-size-xl);
}

h3 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
}

button {
    cursor: pointer;
    font-family: inherit;
    font-size: var(--font-size-md);
    border: none;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all var(--transition-fast);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

input, select, textarea {
    font-family: inherit;
    font-size: var(--font-size-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--card-background);
    color: var(--text-color);
    transition: border-color var(--transition-fast);
    width: 100%;
}

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

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Consistent styling for modal form elements */
.modal select {
    height: 38px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.modal input[type="text"] {
    height: 38px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* ===== LAYOUT ===== */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

@media (min-width: 768px) {
    main {
        grid-template-columns: repeat(2, 1fr);
    }

    #vocabulary-section {
        grid-column: 1 / -1; /* Make vocabulary section span all columns */
    }
}

/* ===== COMPONENTS ===== */
.card {
    background-color: var(--card-background);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    height: 100%;
}

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

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 120px;
    height: 38px;
}

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

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 120px;
    height: 38px;
}

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

.theme-toggle button {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    padding: var(--spacing-xs);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.theme-toggle button:hover {
    background-color: var(--border-color);
}

/* ===== ADD WORD SECTION ===== */
.add-word-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.add-word-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: flex-end;
}

.translation-entry {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-right: 25px;
    align-items: center;
}

.translation-entry .form-group {
    flex: 1;
}

.remove-translation-btn {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--error-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    padding: 0;
}

#add-translation-btn {
    margin-bottom: var(--spacing-md);
}

/* ===== VOCABULARY SECTION ===== */
.search-filter {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

#search-input {
    height: 32px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.sort-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.sort-label {
    font-size: var(--font-size-sm);
    color: var(--text-color-light);
    white-space: nowrap;
    margin: 0;
}

#sort-select {
    width: auto;
    min-width: 140px;
    height: 32px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.sort-order-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    margin-left: var(--spacing-xs);
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-color);
    font-size: var(--font-size-md);
    font-weight: bold;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.sort-order-btn:hover {
    background-color: var(--primary-color-light);
    color: white;
    border-color: var(--primary-color);
}

.vocabulary-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    justify-content: flex-start;
    align-items: center;
}

/* Buttons for vocabulary actions */
.small-btn {
    min-width: 110px !important;
    height: 32px !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
    font-size: var(--font-size-sm) !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Visual separator between button groups */
.button-separator {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    margin: 0 var(--spacing-md);
}

/* Style for file input label to match buttons */
.file-input-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-family: inherit;
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xs) var(--spacing-md);
    transition: all var(--transition-fast);
    text-align: center;
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    font-weight: 500;
    min-width: 110px;
    height: 32px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-input-label:hover {
    background-color: var(--primary-color-light);
    color: white;
}

/* Style for reset button */
.reset-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--error-color);
    color: white;
    border: 1px solid var(--error-color);
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.reset-btn:hover {
    background-color: #c0392b; /* Darker red on hover */
    transform: translateY(-2px);
}

.word-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

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

/* Image-related CSS has been removed */

.word-details {
    flex: 1;
    padding-right: 40px; /* Make space for action buttons */
}

.word-text {
    margin-bottom: var(--spacing-xs);
}

.word-language {
    font-size: var(--font-size-sm);
    color: var(--text-color-light);
    font-weight: normal;
}

.word-translations {
    margin-bottom: var(--spacing-sm);
}

.translation {
    display: inline-block;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.word-actions {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: var(--spacing-xs);
}

.word-actions button {
    font-size: var(--font-size-lg);
    padding: var(--spacing-xs);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: transparent;
    transition: all var(--transition-fast);
}

.edit-word-btn {
    color: var(--primary-color);
}

.edit-word-btn:hover {
    background-color: var(--primary-color-light);
    color: white;
}

.delete-word-btn {
    color: var(--error-color);
}

.delete-word-btn:hover {
    background-color: var(--error-color);
    color: white;
}

/* Word progress styles */
.word-progress {
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.progress-label {
    font-size: var(--font-size-xs);
    color: var(--text-color-light);
    min-width: 80px;
}

.progress-bar-container {
    flex: 1;
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    transition: width var(--transition-normal);
    border-radius: 3px;
}

.progress-text {
    font-size: var(--font-size-xs);
    color: var(--text-color-light);
    min-width: 30px;
    text-align: right;
}

/* Edit modal styles */
.edit-modal-buttons {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-md);
    gap: var(--spacing-md);
}


#existing-translations-list {
    margin-bottom: var(--spacing-md);
    /* Removed dividing line as requested */
    padding-bottom: var(--spacing-sm);
}

/* Added styling for the word text to make it larger */
#edit-word-text {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    display: inline-block;
    margin-top: var(--spacing-xs);
}

.translation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-xs);
    background-color: var(--card-background);
    transition: all var(--transition-fast);
}

.translation-item:hover {
    border-color: var(--primary-color-light);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.translation-text {
    flex: 1;
}

.translation-language {
    font-weight: bold;
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
}

.translation-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.edit-translation-btn {
    color: var(--primary-color);
    background-color: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.edit-translation-btn:hover {
    background-color: var(--primary-color-light);
    color: white;
}

#edit-form-container {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--card-background);
}

#edit-form-title {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    font-size: var(--font-size-md);
}

.add-new-translation-container {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.empty-state {
    text-align: center;
    color: var(--text-color-light);
    padding: var(--spacing-xl) 0;
}

/* ===== LEARNING GAMES SECTION ===== */
.games-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.game-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.game-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.game-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-md);
}

.game-card p {
    margin-bottom: var(--spacing-md);
    color: var(--text-color-light);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.game-btn {
    background-color: var(--secondary-color);
    color: white;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 90px;
    height: 32px;
    font-size: var(--font-size-sm);
}

.game-btn:hover {
    background-color: #e69008;
    transform: translateY(-2px);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow: auto;
}

/* Cookie consent modal specific styles */
#cookie-consent-modal {
    /* Modal is hidden by default like other modals, and shown only when needed */
    z-index: 2000; /* Higher than other modals */
}

.cookie-consent-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* Cookie declined message */
.cookie-declined-message {
    max-width: 600px;
    margin: 100px auto;
    padding: var(--spacing-xl);
    background-color: var(--card-background);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 8px var(--shadow-color);
    text-align: center;
}

.cookie-declined-message h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.cookie-declined-message p {
    margin-bottom: var(--spacing-md);
}

.cookie-declined-message button {
    margin-top: var(--spacing-lg);
}

.modal-content {
    background-color: var(--card-background);
    margin: 5% auto;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    position: relative;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.close-modal {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: var(--font-size-xl);
    color: var(--text-color-light);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.close-modal:hover {
    color: var(--accent-color);
}

/* ===== FLASHCARDS GAME ===== */
.flashcard-container {
    perspective: 1000px;
    margin: var(--spacing-xl) 0;
}

.flashcard {
    width: 100%;
    height: 300px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s;
}

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

.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transform-style: preserve-3d;
}

.flashcard-front, .flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    background-color: var(--card-background);
    box-shadow: 0 4px 8px var(--shadow-color);
}

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

/* Flashcard image CSS has been removed */

#flashcard-word {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

#flashcard-language {
    color: var(--text-color-light);
    margin-bottom: var(--spacing-md);
}

#flashcard-translations p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.flashcard-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.flashcard-controls button {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 100px;
    height: 38px;
}

.flashcard-controls button:hover {
    background-color: var(--primary-color-dark);
}

/* ===== MATCHING GAME ===== */
.matching-game-container {
    margin: var(--spacing-lg) 0;
}

.matching-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.matching-card {
    height: 100px;
    perspective: 1000px;
    cursor: pointer;
}

.matching-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.matching-card.flipped .matching-card-inner {
    transform: rotateY(180deg);
}

.matching-card-front, .matching-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
}

.matching-card-front {
    background-color: var(--primary-color);
    color: white;
}

.matching-card-back {
    background-color: var(--card-background);
    border: 2px solid var(--primary-color);
    color: var(--text-color);
    transform: rotateY(180deg);
    font-size: var(--font-size-sm);
    word-break: break-word;
}

.matching-card.matched .matching-card-back {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.game-score {
    text-align: center;
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-lg);
}

/* ===== QUIZ GAME ===== */
.quiz-container {
    margin: var(--spacing-lg) 0;
}

.quiz-progress {
    margin-bottom: var(--spacing-lg);
}

.progress-bar {
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.quiz-question {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.quiz-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.quiz-option {
    background-color: var(--card-background);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quiz-option:hover:not(.disabled) {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.quiz-option.selected {
    border-width: 2px;
}

.quiz-option.correct {
    background-color: rgba(46, 204, 113, 0.2);
    border-color: var(--success-color);
}

.quiz-option.incorrect {
    background-color: rgba(231, 76, 60, 0.2);
    border-color: var(--error-color);
}

.quiz-option.disabled {
    opacity: 0.7;
    cursor: default;
}

.quiz-controls {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.quiz-controls button {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-xl);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 120px;
    height: 38px;
}

.quiz-controls button:hover:not(:disabled) {
    background-color: var(--primary-color-dark);
}

.quiz-results {
    text-align: center;
}

.quiz-results h3 {
    margin-bottom: var(--spacing-md);
}

.quiz-results p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

#restart-quiz {
    background-color: var(--secondary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-xl);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 120px;
    height: 38px;
}

#restart-quiz:hover {
    background-color: #e69008;
}

/* ===== WORD SCRAMBLE GAME ===== */
.scramble-container {
    margin: var(--spacing-lg) 0;
}

.scramble-progress {
    margin-bottom: var(--spacing-lg);
}

.scramble-game {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.scrambled-word {
    font-size: var(--font-size-xl);
    font-weight: bold;
    margin: var(--spacing-md) 0;
    letter-spacing: 3px;
    color: var(--primary-color);
}

.scramble-input {
    display: flex;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: var(--spacing-md) auto;
}

.scramble-input input {
    flex: 1;
}

.scramble-input button {
    min-width: 100px;
}

#answer-feedback {
    min-height: 30px;
    margin: var(--spacing-md) 0;
}

.correct-answer {
    color: var(--success-color);
    font-weight: bold;
}

.incorrect-answer {
    color: var(--error-color);
    font-weight: bold;
}

.scramble-controls {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.scramble-controls button {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-xl);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 120px;
    height: 38px;
}

.scramble-controls button:hover:not(:disabled) {
    background-color: var(--primary-color-dark);
}

.scramble-results {
    text-align: center;
}

.scramble-results h3 {
    margin-bottom: var(--spacing-md);
}

.scramble-results p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

#restart-scramble {
    background-color: var(--secondary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-xl);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-width: 120px;
    height: 38px;
}

#restart-scramble:hover {
    background-color: #e69008;
}

/* ===== NOTIFICATIONS ===== */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    background-color: var(--card-background);
    box-shadow: 0 4px 12px var(--shadow-color);
    color: var(--text-color);
    font-weight: 500;
    z-index: 1100;
    transform: translateY(100px);
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--error-color);
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 768px) {
    /* Mobile font sizes */
    :root {
        --font-size-xs: var(--mobile-font-size-xs);
        --font-size-sm: var(--mobile-font-size-sm);
        --font-size-md: var(--mobile-font-size-md);
        --font-size-lg: var(--mobile-font-size-lg);
        --font-size-xl: var(--mobile-font-size-xl);
        --font-size-xxl: var(--mobile-font-size-xxl);
    }

    /* Layout adjustments */
    main {
        grid-template-columns: 1fr;
        gap: var(--mobile-spacing-lg);
    }

    .app-container {
        padding: var(--mobile-spacing-md);
    }

    /* Form and input improvements */
    input, select, textarea {
        min-height: var(--mobile-input-height);
        font-size: var(--mobile-font-size-md);
        padding: var(--spacing-md);
    }

    /* Button improvements for touch */
    button {
        min-height: var(--mobile-button-height);
        font-size: var(--mobile-font-size-md);
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .primary-btn, .secondary-btn, .file-input-label, .game-btn {
        width: 100%;
        max-width: none;
        margin: var(--spacing-sm) 0;
        min-height: var(--mobile-button-height);
    }

    /* Small buttons need to be larger on mobile */
    .small-btn {
        min-height: var(--mobile-button-height) !important;
        font-size: var(--mobile-font-size-sm) !important;
        padding: var(--spacing-md) var(--spacing-lg) !important;
        min-width: auto !important;
    }

    .translation-entry {
        flex-direction: column;
        gap: var(--mobile-spacing-md);
        padding-right: 0;
        padding-bottom: 40px;
    }

    .remove-translation-btn {
        top: auto;
        bottom: 0;
        right: 0;
        width: 32px;
        height: 32px;
    }

    .search-filter {
        flex-direction: column;
        gap: var(--mobile-spacing-md);
    }

    .vocabulary-actions {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--mobile-spacing-md);
    }

    .vocabulary-actions .secondary-btn,
    .vocabulary-actions .file-input-label {
        width: 100%;
        max-width: none;
    }

    .word-card {
        flex-direction: column;
        padding: var(--mobile-spacing-md);
    }

    /* Word actions buttons - make them larger for mobile */
    .word-actions button {
        width: 44px;
        height: 44px;
        font-size: var(--mobile-font-size-lg);
    }

    /* Modal improvements */
    .modal-content {
        margin: 5% 2%;
        padding: var(--mobile-spacing-md);
        max-height: 90vh;
        overflow-y: auto;
    }

    .flashcard {
        height: 350px;
    }

    .matching-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--mobile-spacing-md);
    }

    /* Game card improvements */
    .game-card {
        padding: var(--mobile-spacing-md);
    }

    .game-btn {
        min-height: var(--mobile-button-height);
        font-size: var(--mobile-font-size-md);
    }

    /* Header improvements */
    header {
        padding-bottom: var(--mobile-spacing-md);
        margin-bottom: var(--mobile-spacing-lg);
    }

    .theme-toggle button {
        width: 44px;
        height: 44px;
        font-size: var(--mobile-font-size-xl);
    }
}

@media (max-width: 480px) {
    /* Even larger font sizes for very small screens */
    :root {
        --mobile-font-size-xs: 1rem;
        --mobile-font-size-sm: 1.125rem;
        --mobile-font-size-md: 1.25rem;
        --mobile-font-size-lg: 1.5rem;
        --mobile-font-size-xl: 1.875rem;
        --mobile-font-size-xxl: 2.5rem;
    }

    /* Increased spacing for very small screens */
    .app-container {
        padding: var(--spacing-md);
    }

    /* Stack flashcard controls vertically */
    .flashcard-controls {
        flex-direction: column;
        gap: var(--mobile-spacing-md);
    }

    .flashcard-controls button {
        width: 100%;
        min-height: var(--mobile-button-height);
    }

    /* Single column for matching cards on very small screens */
    .matching-cards {
        grid-template-columns: 1fr;
        gap: var(--mobile-spacing-md);
    }

    /* Vocabulary actions - stack vertically on very small screens */
    .vocabulary-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .vocabulary-actions .button-separator {
        display: none;
    }

    /* Quiz options - ensure they're touch-friendly */
    .quiz-option {
        padding: var(--mobile-spacing-md);
        margin-bottom: var(--spacing-md);
        font-size: var(--mobile-font-size-md);
    }

    /* Modal adjustments for very small screens */
    .modal-content {
        margin: 2%;
        padding: var(--spacing-md);
        border-radius: var(--border-radius-md);
    }

    /* Game cards - single column */
    .games-container {
        grid-template-columns: 1fr;
        gap: var(--mobile-spacing-md);
    }

    /* Search and sort - more spacing */
    .search-filter {
        gap: var(--mobile-spacing-lg);
    }

    .sort-container {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .sort-label {
        text-align: left;
    }

    /* Progress bar adjustments */
    .word-progress {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .progress-label {
        min-width: auto;
        text-align: left;
    }
}