:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

.title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Main Game Container */
.game-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 968px) {
    .game-container {
        grid-template-columns: 1fr;
    }
    
    .title {
        font-size: 2rem;
    }
}

/* Card Styles */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    min-height: 500px;
    position: relative;
    animation: fadeInUp 0.8s ease-out;
}

.info-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.info-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 12px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Screen Management */
.screen {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.screen.active {
    display: block;
}

/* Welcome Screen */
.welcome-content {
    text-align: center;
}

.fruit-emoji {
    font-size: 4rem;
    margin-bottom: 2rem;
    animation: bounce 2s infinite;
}

.welcome-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.welcome-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Question Screen */
.question-content {
    text-align: center;
}

.progress-indicator {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.question-title {
    font-size: 1.8rem;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.options-container {
    display: grid;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.option-btn {
    padding: 1.25rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: 12px;
    background: linear-gradient(white, white) padding-box,
                var(--primary-gradient) border-box;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
    position: relative;
    overflow: hidden;
}

.option-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.option-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    color: white;
}

.option-btn:hover::before {
    opacity: 1;
}

.option-btn:active {
    transform: translateY(-2px);
}

/* Result Screen */
.result-content {
    text-align: center;
}

.result-emoji {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    animation: scaleIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.result-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.result-box {
    background: var(--success-gradient);
    padding: 2.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    animation: scaleIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.2s backwards;
}

.result-label {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.result-fruit {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Buttons */
.btn {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--secondary-gradient);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    padding: 2rem 0;
    animation: fadeIn 1s ease-out 0.4s backwards;
}

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

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .card {
        padding: 2rem 1.5rem;
        min-height: 400px;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .question-title {
        font-size: 1.4rem;
    }
    
    .option-btn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .result-fruit {
        font-size: 2rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
}