:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.8);
    --text-color: #c9d1d9;
    --accent-color: #58a6ff;
    --accent-hover: #1f6feb;
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.container {
    text-align: center;
    max-width: 600px;
    width: 90%;
    z-index: 1;
    position: relative;
}

.counter {
    position: absolute;
    top: -40px;
    left: 0;
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
    opacity: 0.8;
}

.title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.9;
}

.joke-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    margin-bottom: 2rem;
    min-height: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.joke-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

#joke-text {
    font-size: 1.25rem;
    line-height: 1.6;
    color: #f0f6fc;
}

.btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.btn:hover {
    background-color: var(--accent-hover);
    transform: scale(1.05);
    box-shadow: 0 10px 15px -3px rgba(88, 166, 255, 0.3);
}

.btn:active {
    transform: scale(0.98);
}

/* Background animation */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #161b22 0%, #0d1117 100%);
    z-index: 0;
}

/* Animation for the joke appearing */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}