:root {
    --bg-primary: #e0f2fe;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #334155;
    --accent: #0284c7;
    --accent-dark: #0369a1;
    --accent-light: rgba(2, 132, 199, 0.2);
    --border-gray: #e2e8f0;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow: 0 10px 25 px -5px rgba(0,0,0,0.05),0 8 px 10px -6px rgba(0,0,0,0.05);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: var(--bg-primary);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.card {
    background: var(--bg-card);
    max-width: 480px;
    width: 100%;
    padding: 36px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.main-heading {
    font-family: 'Playfair Display', Georgia, serif;
    font-family: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
    color: #0f172a;
}
.image-wrapper {
    width: 180px;
    height: 180px;
    border-radius:50%;
    overflow: hidden;
    border: 4px solid var(--accent);
    box-shadow: 0 4px 12 px var(--accent-light);
    margin-bottom: 24px;
}
.cat-image {

    width: 150px;
    height: 200px;
    object-fit: cover;
}
.joke-container {
    width: 100%;
    min-height: 100px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#joke-text {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-secondary);
}
.btn 
{
    background-color: var(--accent);
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}
.brn:hover{
    background-color: var(--accent-dark);
}
.btn:active {
    transform: scale(0.98);
}
.btn:disabled {
    background-color: #94a3b8;
    cursor: not-allowed;
}
@media (max-width: 640px) {
    .main-heading {
        font-size:1.875rem;
    }
    .card {
        padding: 24px 16px;
    }
}