* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light mode colors */
    --bg-primary: #f5f7fa;
    --bg-secondary: #c3cfe2;
    --bg-card: white;
    --text-primary: #333;
    --text-secondary: #6c757d;
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --border-color: #e9ecef;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --progress-bg: #e9ecef;
    --button-bg: #f8f9fa;
    --button-hover: #667eea;
    --success-bg: #d4edda;
    --success-text: #155724;
    --error-bg: #f8d7da;
    --error-text: #721c24;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.2);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

[data-theme="dark"] {
    /* Dark mode colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-card: #333;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-primary: #8b9dc3;
    --accent-secondary: #a78bfa;
    --border-color: #555;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --progress-bg: #555;
    --button-bg: #444;
    --button-hover: #8b9dc3;
    --success-bg: #2d5a2d;
    --success-text: #90ee90;
    --error-bg: #5a2d2d;
    --error-text: #ff6b6b;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 5px 20px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    transition: all var(--transition-medium);
    overflow-x: hidden;
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Header Styles */
.header {
    background: var(--bg-card);
    box-shadow: var(--shadow-light);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-medium);
}

.header:hover {
    box-shadow: var(--shadow-medium);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform var(--transition-medium);
}

.logo-container:hover {
    transform: scale(1.05);
}

.croissant-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    animation: bounce 2s infinite;
    transition: transform var(--transition-fast);
}

.croissant-img:hover {
    transform: rotate(10deg) scale(1.1);
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin: 0;
    transition: color var(--transition-fast);
}

.logo-container:hover .app-title {
    color: var(--accent-secondary);
}

.nav-menu {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-btn {
    background: var(--button-bg);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.nav-btn:hover::before {
    left: 100%;
}

.nav-btn:hover {
    background: var(--button-hover);
    color: white;
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.nav-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

/* Theme Toggle Button */
/* .theme-toggle {
/*     background: none;
/*     border: none;
/*     font-size: 1.2rem;
/*     cursor: pointer;
/*     padding: 8px;
/*     border-radius: 50%;
/*     transition: all var(--transition-medium);
/*     color: var(--text-primary);
} */

/* .theme-toggle:hover {
/*     background-color: var(--hover-bg);
/*     transform: scale(1.1);
/*     box-shadow: var(--shadow-light);
} */

/* Donation Button */
.donate-btn {
    background: none;
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 20px;
    transition: all var(--transition-medium);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    border: 1px solid transparent;
}

.donate-btn:hover {
    background: linear-gradient(135deg, #ff6b6b, #ffa500);
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
    color: white;
    border-color: transparent;
}

.donate-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.donate-btn:hover::before {
    left: 100%;
}

.donate-btn:active {
    transform: scale(0.95);
}

/* Dark mode adjustments for donation button */
[data-theme="dark"] .donate-btn:hover {
    background: linear-gradient(135deg, #ff8a80, #ffb74d);
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.4);
}

/* Donation Invitation */
.donation-invitation {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    background: white !important;
    border: 2px solid var(--accent-primary);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-heavy);
    animation: slideUp 0.5s ease-out;
    z-index: 1001;
    max-width: 300px;
    text-align: center;
}

.donation-content p {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 0.95rem;
    line-height: 1.4;
    font-weight: 500;
}

.donation-link-btn {
    background: linear-gradient(135deg, #ff6b6b, #ffa500);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    margin-right: 10px;
    box-shadow: var(--shadow-light);
}

.donation-link-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    background: linear-gradient(135deg, #ff5252, #ff9800);
}

.donation-close-btn {
    background: #f8f9fa;
    color: #6c757d;
    border: 1px solid #e9ecef;
    padding: 10px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.donation-close-btn:hover {
    background: #667eea;
    color: white;
}

/* Main Content */
.main-content {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 2rem;
    animation: slideInUp 0.6s ease;
}

.game-container {
    display: none;
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-heavy);
    animation: fadeInScale 0.5s ease;
    border: 1px solid var(--border-color);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.game-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.game-container:hover::before {
    left: 100%;
}

.game-container.active {
    display: block;
    animation: slideInUp 0.6s ease;
}

.game-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.quiz-header {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease;
}

.verb-info h2 {
    color: var(--accent-primary);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
    animation: pulse 2s infinite;
}

.verb-info h2:hover {
    color: var(--accent-secondary);
}

.verb-info span {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-right: 1rem;
    transition: color var(--transition-fast);
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
}

.mode-btn {
    background: var(--button-bg);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.mode-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.mode-btn:hover::before {
    left: 100%;
}

.mode-btn:hover {
    background: var(--button-hover);
    color: white;
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.mode-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

/* Free Writing Interface */
.free-writing-container {
    margin-top: 2rem;
    text-align: center;
    animation: fadeInUp 0.6s ease;
}

.free-writing-container.hidden {
    display: none;
}

.free-writing-input {
    width: 100%;
    max-width: 300px;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 15px;
    font-size: 1.1rem;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all var(--transition-medium);
    margin-bottom: 1rem;
    text-align: center;
}

.free-writing-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.free-writing-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.submit-btn {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.submit-btn:active {
    transform: translateY(-1px) scale(1.02);
}

/* Progress Bar */
.progress-container {
    margin-bottom: 2rem;
    text-align: center;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.progress-bar {
    background: var(--progress-bg);
    border-radius: 25px;
    height: 20px;
    overflow: hidden;
    margin-bottom: 0.5rem;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-medium);
}

.progress-bar:hover {
    transform: scale(1.02);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-fill {
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    height: 100%;
    border-radius: 25px;
    transition: width var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
    animation: shimmer 3s infinite reverse;
}

.progress-text {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    animation: fadeIn 0.8s ease 0.4s both;
}

.progress-text:hover {
    color: var(--accent-primary);
    transform: scale(1.1);
}

/* Quiz Content */
.quiz-content {
    text-align: center;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.sentence-text {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.6;
    transition: all var(--transition-medium);
    padding: 1.5rem;
    background: var(--button-bg);
    border-radius: 15px;
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.sentence-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.sentence-text:hover::before {
    left: 100%;
}

.sentence-text:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-primary);
}

.options-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* Special layout for gender exercise (only 2 options) */
#gender-options-container {
    grid-template-columns: repeat(2, 1fr);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.option-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-medium);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.option-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.option-btn:hover::before {
    left: 100%;
}

.option-btn:hover:not(.disabled) {
    border-color: var(--accent-primary);
    background: var(--button-bg);
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.option-btn.correct {
    background: var(--success-bg);
    border-color: var(--success-text);
    color: var(--success-text);
    animation: correctPulse 0.6s ease;
    transform: scale(1.05);
}

.option-btn.incorrect {
    background: var(--error-bg);
    border-color: var(--error-text);
    color: var(--error-text);
    animation: incorrectShake 0.6s ease;
}

.option-btn.disabled {
    cursor: not-allowed;
    opacity: 0.7;
    transform: scale(0.98);
}

/* Celebration Modal */
.celebration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn var(--transition-medium) ease;
    backdrop-filter: blur(5px);
}

.celebration.hidden {
    display: none;
}

.celebration-content {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    margin: 2rem;
    animation: celebrationPop 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: var(--shadow-heavy);
    border: 2px solid var(--accent-primary);
    position: relative;
    overflow: hidden;
}

.celebration-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(102, 126, 234, 0.1) 50%, transparent 70%);
    animation: celebrationShine 2s infinite;
}

.celebration-content h2 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 2rem;
    animation: celebrationText 0.8s ease 0.3s both;
}

.celebration-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    animation: celebrationText 0.8s ease 0.5s both;
}

.croissant-animation {
    font-size: 4rem;
    animation: dance 2s infinite;
    margin-bottom: 2rem;
    animation: celebrationDance 1s ease 0.7s both, dance 2s infinite 1.7s;
}

.next-verb-btn {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    animation: celebrationText 0.8s ease 0.9s both;
}

.next-verb-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.next-verb-btn:hover::before {
    left: 100%;
}

.next-verb-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

/* Enhanced Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInScale {
    from { 
        opacity: 0; 
        transform: scale(0.9);
    }
    to { 
        opacity: 1; 
        transform: scale(1);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes dance {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(5deg); }
    50% { transform: translateY(-5px) rotate(-5deg); }
    75% { transform: translateY(-10px) rotate(5deg); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes correctPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1.05); }
}

@keyframes incorrectShake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes celebrationPop {
    0% { 
        opacity: 0; 
        transform: scale(0.3) rotate(-10deg);
    }
    50% { 
        transform: scale(1.1) rotate(5deg);
    }
    100% { 
        opacity: 1; 
        transform: scale(1) rotate(0deg);
    }
}

@keyframes celebrationShine {
    0% { transform: translateX(-100%) translateY(-100%); }
    100% { transform: translateX(100%) translateY(100%); }
}

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

@keyframes celebrationDance {
    0% { 
        opacity: 0; 
        transform: scale(0) rotate(180deg);
    }
    100% { 
        opacity: 1; 
        transform: scale(1) rotate(0deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Mobile-specific optimizations */
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    body {
        font-size: 16px; /* Prevent zoom on iOS */
        overflow-x: hidden;
    }
    
    .header-content {
        flex-direction: column;
        gap: 0.8rem;
        padding: 0 0.8rem;
    }
    
    .nav-menu {
        width: 100%;
        justify-content: space-between;
        flex-wrap: nowrap;
        gap: 0.3rem;
    }
    
    .nav-btn {
        flex: 1;
        min-height: 44px; /* Touch-friendly target */
        font-size: 0.85rem;
        padding: 0.6rem 0.4rem;
        white-space: nowrap;
    }
    
    .utility-menu-btn {
        min-width: 44px;
        min-height: 44px;
        flex-shrink: 0;
    }
    
    .main-content {
        padding: 0 0.8rem;
        margin: 0.8rem auto;
        max-width: 100%;
    }
    
    .game-container {
        padding: 1.2rem;
        margin: 0;
        border-radius: 15px;
    }
    
    .quiz-header {
        margin-bottom: 1.5rem;
    }
    
    .verb-info h2 {
        font-size: 1.8rem;
        margin-bottom: 0.3rem;
    }
    
    .verb-info span {
        font-size: 1rem;
    }
    
    .mode-toggle {
        flex-direction: row;
        gap: 0.5rem;
        justify-content: center;
        margin-top: 1rem;
    }
    
    .mode-btn {
        font-size: 0.85rem;
        padding: 0.6rem 1rem;
        min-height: 44px;
        flex: 1;
        max-width: 150px;
    }
    
    .progress-container {
        margin-bottom: 1.5rem;
    }
    
    .progress-bar {
        height: 16px;
        border-radius: 8px;
    }
    
    .progress-text {
        font-size: 0.9rem;
    }
    
    .sentence-text {
        font-size: 1.2rem;
        padding: 1.2rem;
        margin-bottom: 1.5rem;
        line-height: 1.5;
    }
    
    .options-container {
        grid-template-columns: 1fr;
        gap: 0.8rem;
        margin-top: 1rem;
    }
    
    .option-btn {
        min-height: 60px; /* Touch-friendly target */
        padding: 1rem;
        font-size: 1.1rem;
        border-radius: 12px;
    }
    
    .free-writing-container {
        margin-top: 1.5rem;
    }
    
    .free-writing-input {
        max-width: 100%;
        font-size: 1.1rem;
        padding: 1rem 1.2rem;
        min-height: 50px;
        border-radius: 12px;
    }
    
    .submit-btn {
        padding: 1rem 2rem;
        font-size: 1rem;
        min-height: 50px;
        border-radius: 12px;
        margin-top: 1rem;
    }
    
    .celebration-content {
        padding: 1.5rem;
        margin: 1rem;
        max-width: 90%;
    }
    
    .celebration-content h2 {
        font-size: 1.5rem;
    }
    
    .celebration-content p {
        font-size: 1rem;
    }
    
    .croissant-animation {
        font-size: 3rem;
    }
    
    .next-verb-btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        min-height: 50px;
    }
    
    .croissant-img {
        width: 35px;
        height: 35px;
    }
    
    .app-title {
        font-size: 1.3rem;
    }
    
    /* Modal optimizations for mobile */
    .contact-content,
    .settings-content {
        width: 95%;
        margin: 0.5rem;
        max-height: 90vh;
    }
    
    .contact-body,
    .settings-body {
        padding: 1.2rem;
        max-height: 70vh;
        overflow-y: auto;
    }
    
    .social-links {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .social-link {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
        min-height: 44px;
    }
    
    /* Settings mobile optimizations */
    .tense-options {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }
    
    .tense-option {
        padding: 0.8rem;
        min-height: 44px;
    }
    
    .setting-option {
        padding: 0.8rem;
        margin-bottom: 0.6rem;
        min-height: 44px;
    }
    
    .volume-control {
        flex-direction: column;
        gap: 0.8rem;
        padding: 0.8rem;
    }
    
    .settings-actions {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .save-btn, .reset-btn {
        padding: 1rem;
        min-height: 50px;
        font-size: 1rem;
    }
    
    .utility-dropdown-menu {
        right: auto;
        left: 0;
        min-width: 200px;
        max-width: 90vw;
    }
    
    .utility-option {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
        min-height: 44px;
    }
    
    /* Donation invitation mobile */
    .donation-invitation {
        bottom: 80px;
        max-width: 90%;
        padding: 1rem;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .donation-content p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .donation-link-btn,
    .donation-close-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
        min-height: 44px;
        margin: 0.3rem;
    }
}

/* Extra small devices (phones, 480px and down) */
@media (max-width: 480px) {
    .header-content {
        padding: 0 0.5rem;
    }
    
    .nav-menu {
        gap: 0.2rem;
    }
    
    .nav-btn {
        font-size: 0.8rem;
        padding: 0.5rem 0.3rem;
    }
    
    .main-content {
        padding: 0 0.5rem;
        margin: 0.5rem auto;
    }
    
    .game-container {
        padding: 1rem;
    }
    
    .verb-info h2 {
        font-size: 1.6rem;
    }
    
    .sentence-text {
        font-size: 1.1rem;
        padding: 1rem;
    }
    
    .option-btn {
        min-height: 55px;
        padding: 0.8rem;
        font-size: 1rem;
    }
    
    .celebration-content {
        padding: 1.2rem;
        margin: 0.5rem;
    }
    
    .celebration-content h2 {
        font-size: 1.3rem;
    }
    
    .croissant-animation {
        font-size: 2.5rem;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .header-content {
        flex-direction: row;
        gap: 1rem;
    }
    
    .nav-menu {
        flex: 1;
        justify-content: flex-end;
    }
    
    .main-content {
        margin: 0.5rem auto;
    }
    
    .game-container {
        padding: 1rem;
    }
    
    .quiz-header {
        margin-bottom: 1rem;
    }
    
    .verb-info h2 {
        font-size: 1.5rem;
    }
    
    .options-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.6rem;
    }
    
    .option-btn {
        min-height: 50px;
        padding: 0.8rem;
        font-size: 0.9rem;
    }
} 

/* Dark mode adjustments for donation invitation */
[data-theme="dark"] .donation-invitation {
    background: #333 !important;
    border-color: var(--accent-secondary);
}

[data-theme="dark"] .donation-content p {
    color: #ffffff;
}

[data-theme="dark"] .donation-close-btn {
    background: #444;
    color: #b0b0b0;
    border-color: #555;
}

[data-theme="dark"] .donation-close-btn:hover {
    background: #8b9dc3;
    color: white;
}

[data-theme="dark"] .donation-link-btn {
    background: linear-gradient(135deg, #ff8a80, #ffb74d);
}

[data-theme="dark"] .donation-link-btn:hover {
    background: linear-gradient(135deg, #ff7043, #ffcc02);
}

/* Contact Button */
.contact-btn {
    background: none;
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 20px;
    transition: all var(--transition-medium);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    border: 1px solid transparent;
}

.contact-btn:hover {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
    color: white;
    border-color: transparent;
}

.contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.contact-btn:hover::before {
    left: 100%;
}

.contact-btn:active {
    transform: scale(0.95);
}

/* Settings Button */
.settings-btn {
    background: var(--button-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.8rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
}

.settings-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.2), transparent);
    transition: left var(--transition-slow);
}

.settings-btn:hover::before {
    left: 100%;
}

.settings-btn:hover {
    background: var(--button-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.settings-btn:active {
    transform: scale(0.95);
}

/* Settings Modal */
.settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn var(--transition-medium) ease;
    backdrop-filter: blur(5px);
}

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

.settings-content {
    background: var(--bg-card);
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    margin: 2rem;
    animation: modalSlideUp 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: var(--shadow-heavy);
    border: 2px solid var(--accent-primary);
    overflow: hidden;
}

.settings-header {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.settings-header h2 {
    margin: 0;
    font-size: 1.3rem;
}

.settings-body {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
}

.settings-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.settings-section h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.settings-section h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.tense-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.8rem;
}

.tense-option {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: var(--button-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-medium);
}

.tense-option:hover {
    background: var(--button-hover);
    border-color: var(--accent-primary);
}

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

.tense-option span {
    color: var(--text-primary);
    font-weight: 500;
}

.setting-option {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    padding: 0.8rem;
    background: var(--button-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all var(--transition-medium);
}

.setting-option:hover {
    background: var(--button-hover);
    border-color: var(--accent-primary);
}

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

.setting-option span {
    color: var(--text-primary);
    font-weight: 500;
}

.setting-option label {
    color: var(--text-primary);
    font-weight: 500;
    margin-right: 0.5rem;
}

.setting-option select {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem;
    font-size: 0.9rem;
    cursor: pointer;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--button-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.volume-control label {
    color: var(--text-primary);
    font-weight: 500;
    min-width: 60px;
}

.volume-control input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    cursor: pointer;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
}

.volume-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    border: none;
}

#volume-value {
    color: var(--text-secondary);
    font-weight: 500;
    min-width: 40px;
    text-align: right;
}

.settings-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.save-btn, .reset-btn {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    font-size: 0.95rem;
}

.save-btn {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.save-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.reset-btn {
    background: var(--button-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.reset-btn:hover {
    background: var(--button-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Dark theme adjustments for settings */
[data-theme="dark"] .settings-content {
    background: var(--bg-card);
}

[data-theme="dark"] .tense-option,
[data-theme="dark"] .setting-option,
[data-theme="dark"] .volume-control {
    background: var(--button-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .tense-option:hover,
[data-theme="dark"] .setting-option:hover {
    background: var(--button-hover);
    border-color: var(--accent-primary);
}

[data-theme="dark"] .setting-option select {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Contact Modal */
.contact-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn var(--transition-medium) ease;
    backdrop-filter: blur(5px);
}

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

.contact-content {
    background: var(--bg-card);
    border-radius: 20px;
    max-width: 400px;
    width: 90%;
    margin: 2rem;
    animation: modalSlideUp 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: var(--shadow-heavy);
    border: 2px solid var(--accent-primary);
    overflow: hidden;
}

.contact-header {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-header h2 {
    margin: 0;
    font-size: 1.3rem;
}

.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all var(--transition-medium);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.contact-body {
    padding: 2rem;
}

.contact-section {
    margin-bottom: 1.5rem;
}

.contact-section h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-medium);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--button-bg);
}

.contact-link:hover {
    color: var(--accent-secondary);
    transform: translateX(5px);
    box-shadow: var(--shadow-light);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.social-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    transition: all var(--transition-medium);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border-color);
    background: var(--button-bg);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.social-link:hover::before {
    left: 100%;
}

.social-link.instagram:hover {
    background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.social-link.tiktok:hover {
    background: linear-gradient(135deg, #000000, #25f4ee, #fe2c55);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

@keyframes modalSlideUp {
    0% { 
        opacity: 0; 
        transform: scale(0.3) translateY(50px);
    }
    100% { 
        opacity: 1; 
        transform: scale(1) translateY(0);
    }
}

/* Dark mode adjustments for contact modal */
[data-theme="dark"] .contact-content {
    background: var(--bg-card);
    border-color: var(--accent-secondary);
}

[data-theme="dark"] .social-link {
    background: var(--button-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .social-link:hover {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
} 

/* Dark mode adjustments for free writing */
[data-theme="dark"] .free-writing-input {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .free-writing-input:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

/* Feedback Messages */
.feedback-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 500;
    animation: fadeInUp 0.4s ease;
}

.correct-feedback {
    background: var(--success-bg);
    color: var(--success-text);
    border: 2px solid var(--success-text);
}

.incorrect-feedback {
    background: var(--error-bg);
    color: var(--error-text);
    border: 2px solid var(--error-text);
}

.feedback-message p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

.feedback-message strong {
    font-weight: 700;
}

/* Disabled state for free writing */
.free-writing-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--button-bg);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
} 

/* Exercise Selector Dropdown */
.exercise-selector {
    position: relative;
    display: inline-block;
}

.exercise-dropdown-btn {
    background: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-medium);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 180px;
    justify-content: space-between;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.exercise-dropdown-btn:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform var(--transition-medium);
}

.exercise-dropdown-btn.active .dropdown-arrow {
    transform: rotate(180deg);
}

.exercise-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 2px solid var(--accent-primary);
    border-radius: 15px;
    box-shadow: var(--shadow-heavy);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-medium);
    margin-top: 0.5rem;
    overflow: hidden;
}

.exercise-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.exercise-option {
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.exercise-option:last-child {
    border-bottom: none;
}

.exercise-option:hover {
    background: var(--button-bg);
    transform: translateX(5px);
}

.exercise-option.active {
    background: var(--accent-primary);
    color: white;
}

.exercise-icon {
    font-size: 1.2rem;
    min-width: 24px;
    text-align: center;
}

.exercise-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.exercise-desc {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-left: auto;
    text-align: right;
}

/* Dark mode adjustments for dropdown */
[data-theme="dark"] .exercise-dropdown {
    background: var(--bg-card);
    border-color: var(--accent-secondary);
}

[data-theme="dark"] .exercise-option:hover {
    background: var(--button-bg);
}

[data-theme="dark"] .exercise-option.active {
    background: var(--accent-secondary);
}

/* Responsive adjustments for dropdown */
@media (max-width: 768px) {
    .exercise-dropdown-btn {
        min-width: 150px;
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .exercise-option {
        padding: 0.8rem 1rem;
    }
    
    .exercise-name {
        font-size: 0.9rem;
    }
    
    .exercise-desc {
        font-size: 0.8rem;
    }
    
    .settings-content {
        max-width: 95%;
        margin: 1rem;
        max-height: 90vh;
    }
    
    .settings-body {
        padding: 1.5rem;
        max-height: 70vh;
    }
    
    .tense-options {
        grid-template-columns: 1fr;
        gap: 0.6rem;
    }
    
    .tense-option {
        padding: 0.6rem;
    }
    
    .setting-option {
        padding: 0.6rem;
        margin-bottom: 0.8rem;
    }
    
    .volume-control {
        flex-direction: column;
        gap: 0.8rem;
        padding: 0.8rem;
    }
    
    .settings-actions {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .save-btn, .reset-btn {
        padding: 0.8rem;
    }
    
    .utility-dropdown-menu {
        right: auto;
        left: 0;
        min-width: 200px;
    }
    
    .utility-option {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }
} 

/* Utility Dropdown */
.utility-dropdown {
    position: relative;
    display: inline-block;
}

.utility-menu-btn {
    background: var(--button-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.8rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
}

.utility-menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.2), transparent);
    transition: left var(--transition-slow);
}

.utility-menu-btn:hover::before {
    left: 100%;
}

.utility-menu-btn:hover {
    background: var(--button-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.utility-menu-btn:active {
    transform: scale(0.95);
}

.utility-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 2px solid var(--accent-primary);
    border-radius: 15px;
    box-shadow: var(--shadow-heavy);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-medium);
    margin-top: 0.5rem;
    overflow: hidden;
    min-width: 180px;
}

.utility-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.utility-option {
    width: 100%;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: left;
}

.utility-option:last-child {
    border-bottom: none;
}

.utility-option:hover {
    background: var(--button-bg);
    transform: translateX(5px);
}

.utility-option:active {
    transform: scale(0.98);
}

/* Dark theme adjustments for utility dropdown */
[data-theme="dark"] .utility-dropdown-menu {
    background: var(--bg-card);
    border-color: var(--accent-secondary);
}

[data-theme="dark"] .utility-option:hover {
    background: var(--button-bg);
} 

/* Mobile-specific base styles */
@media (max-width: 768px) {
    /* Improve scrolling performance */
    .settings-body,
    .contact-body {
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }
    
    /* Better touch targets */
    button,
    input,
    select {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Prevent text selection on buttons */
    button {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    /* Improve tap targets */
    .nav-btn,
    .mode-btn,
    .option-btn,
    .submit-btn,
    .utility-option {
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(102, 126, 234, 0.2);
    }
    
    /* Better focus states for accessibility */
    button:focus,
    input:focus,
    select:focus {
        outline: 2px solid var(--accent-primary);
        outline-offset: 2px;
    }
    
    /* Optimize animations for mobile */
    * {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
    
    /* Improve modal performance */
    .settings-modal,
    .contact-modal,
    .celebration {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        will-change: opacity, transform;
    }
    
    /* Better loading states */
    .game-container {
        min-height: 60vh;
    }
    
    /* Optimize confetti for mobile */
    canvas {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        will-change: transform;
    }
}