:root {
    --primary-color: #ffcb05;
    --secondary-color: #3d79bc; 
    --accent-color: #cc0000; 
    --text-dark: #222;
    --text-light: #f8f8f8;
    --background-light: #e0e0e0;
    --card-background: #ffffff;
    --error-color: #dc3545;
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1a4f8b 100%);
    color: var(--text-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    overflow: hidden; 
    position: relative;
}


.background-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.05) 20%,transparent 20%, transparent 100%),
        radial-gradient(circle at 90% 80%, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.05) 20%,transparent 20%, transparent 100%),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 10%);
    opacity: 0.8;
    z-index: 0;
}


.container {
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    width: 90%;
    max-width: 550px;
    position: relative;
    z-index: 1;
    border: 3px solid var(--primary-color); 
    box-sizing: border-box;
}

.header-section {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    gap: 10px;
}

.header-section h1 {
    font-family: 'Press Start 2P', cursive; 
    color: var(--accent-color); 
    margin: 0;
    font-size: 1.8rem;
    text-shadow: 3px 3px 0px var(--text-dark);
    letter-spacing: 2px;
}

.pokemon-icon {
    width: 50px;
    height: 50px;
    filter: drop-shadow(2px 2px 2px rgba(0,0,0,0.5));
}

.search-box {
    margin: 1.5rem 0;
    display: flex;
    gap: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

#pokemonName {
    flex-grow: 1;
    padding: 1rem;
    border: none;
    background-color: var(--background-light);
    border-radius: 8px 0 0 8px;
    font-size: 1.1rem;
    color: var(--text-dark);
    outline: none;
}

#pokemonName::placeholder {
    color: #888;
    opacity: 0.7;
}

#searchButton {
    padding: 1rem 1.8rem;
    border: none;
    background-color: var(--accent-color);
    color: var(--text-light);
    border-radius: 0 8px 8px 0; 
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#searchButton:hover {
    background-color: #a30000; 
    transform: translateY(-2px); 
}

#searchButton:active {
    transform: translateY(0); 
}

.pokemon-card {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(145deg, #f0f0f0, #ffffff);
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--secondary-color);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.pokemon-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.pokemon-card img {
    width: 180px;
    height: 180px;
    background-color: var(--background-light);
    border-radius: 50%;
    border: 5px solid var(--primary-color); 
    object-fit: contain;
    padding: 5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: pulse 1.5s infinite alternate;
}

.pokemon-card h2 {
    text-transform: capitalize;
    margin: 1.2rem 0 0.6rem;
    color: var(--accent-color);
    font-size: 1.8rem;
    text-shadow: 1px 1px 1px rgba(0,0,0,0.2);
}

.pokemon-card p {
    margin: 0.3rem 0;
    font-size: 1.2rem;
    color: var(--text-dark);
}

.pokemon-card p:last-child {
    font-weight: bold;
}

.placeholder-text {
    font-style: italic;
    color: #666;
    margin-top: 1rem;
    font-size: 1.1rem;
}


@keyframes pulse {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.03);
    }
}


@media (max-width: 600px) {
    .container {
        padding: 1.5rem;
    }
    .header-section h1 {
        font-size: 1.4rem;
    }
    .pokemon-icon {
        width: 40px;
        height: 40px;
    }
    .search-box {
        flex-direction: column;
        gap: 8px;
    }
    #pokemonName, #searchButton {
        border-radius: 8px;
        width: 100%;
    }
    #searchButton {
        padding: 0.9rem;
    }
    .pokemon-card img {
        width: 150px;
        height: 150px;
    }
    .pokemon-card h2 {
        font-size: 1.5rem;
    }
    .pokemon-card p {
        font-size: 1rem;
    }
}