body {
    background: linear-gradient(120deg, #fff700 0%, #ff00cc 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.container {
    background: rgba(255,255,255,0.95);
    padding: 36px 28px;
    border-radius: 18px;
    box-shadow: 0px 10px 32px rgba(255, 0, 204, 0.15), 0px 2px 8px rgba(0, 170, 255, 0.07);
    max-width: 400px;
    width: 100%;
    transition: box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.container::before {
    content: "";
    position: absolute;
    top: -40px;
    left: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, #ff00cc55 60%, transparent 100%);
    z-index: 0;
}

.container::after {
    content: "";
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, #fff70055 60%, transparent 100%);
    z-index: 0;
}

h1 {
    color: #00aaff;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 1px;
    font-size: 2rem;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 8px #ff00cc22;
}

p {
    margin: 12px 0;
    color: #444;
    font-size: 1.08rem;
    position: relative;
    z-index: 1;
}

button {
    background: linear-gradient(90deg, #00aaff 0%, #ff00cc 100%);
    color: white;
    border: none;
    padding: 14px 36px;
    border-radius: 10px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    box-shadow: 0px 2px 12px rgba(0, 170, 255, 0.12);
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    position: relative;
    z-index: 1;
}

button:hover {
    background: linear-gradient(90deg, #ff00cc 0%, #00aaff 100%);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0px 6px 24px rgba(255, 0, 204, 0.18);
}

#result {
    margin-top: 24px;
    padding: 16px;
    background: #f3f8ff;
    border-radius: 10px;
    color: #333;
    font-size: 1.15rem;
    box-shadow: 0px 2px 8px rgba(0, 170, 255, 0.07);
    min-height: 44px;
    transition: background 0.2s, box-shadow 0.2s;
    position: relative;
    z-index: 1;
    font-weight: 500;
    letter-spacing: 0.5px;
}