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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.portfolio-link {
    position: fixed;
    top: 20px;
    left: 20px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    transition: background 0.3s, transform 0.3s;
}

.portfolio-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(-3px);
}

.container {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

h1 {
    color: #333;
    margin-bottom: 20px;
    font-size: 2rem;
}

.pet-container {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 50%;
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: inset 0 4px 10px rgba(0, 0, 0, 0.1);
}

.pet {
    font-size: 60px;
    transition: transform 0.3s ease;
}

.pet:hover {
    transform: scale(1.1);
}

.pet.happy {
    animation: bounce 0.5s ease;
}

.pet.sad {
    filter: grayscale(50%);
}

.pet.sleeping {
    animation: sleep 2s ease-in-out infinite;
}

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

@keyframes sleep {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(0.95); }
}

.pet-name {
    font-size: 0.9rem;
    color: #666;
    margin-top: 5px;
}

.stats {
    margin: 20px 0;
}

.stat {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    gap: 10px;
}

.stat label {
    width: 80px;
    text-align: left;
    font-weight: 600;
    color: #555;
}

.progress-bar {
    flex: 1;
    height: 20px;
    background: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    width: 100%;
    transition: width 0.3s ease;
    border-radius: 10px;
}

.stat span {
    width: 30px;
    font-weight: bold;
    color: #333;
}

.actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

button {
    padding: 12px 20px;
    font-size: 1rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.actions button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.actions button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.actions button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.message {
    margin-top: 20px;
    padding: 10px;
    border-radius: 10px;
    font-weight: 500;
    min-height: 40px;
    color: #666;
}

.game-over {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 100;
}

.game-over.show {
    display: flex;
}

.game-over h2 {
    color: white;
    font-size: 3rem;
    margin-bottom: 10px;
}

.game-over p {
    color: #ccc;
    margin-bottom: 20px;
}

.game-over button {
    background: #4CAF50;
    color: white;
    padding: 15px 30px;
}

.game-over button:hover {
    background: #45a049;
}

/* Responsive */
@media (max-width: 400px) {
    .actions {
        flex-direction: column;
    }
    
    .actions button {
        width: 100%;
    }
}