/*
* Age Calculator 🎉
* A simple web app to calculate age from a given date.
* Author: Aditya Chauhan
* Website: https://cloudxtech.io/
*/

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: "Poppins", sans-serif;
    background: linear-gradient(-45deg, #89f7fe, #66a6ff, #ff9a9e, #fad0c4);
    background-size: 400% 400%;
    animation: gradientBG 12s ease infinite;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    backdrop-filter: blur(15px);
    padding: 2rem;
    text-align: center;
    width: min(90vw, 600px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

h1 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    font-weight: 600;
}

label {
    color: #fff;
    font-weight: 500;
    display: block;
    margin-bottom: 0.5rem;
    text-align: left;
}

input[type="date"] {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    border: none;
    outline: none;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.25);
    color: #333;
    transition: 0.3s;
}

input[type="date"]:focus {
    background: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 8px rgba(102, 166, 255, 0.7);
}

button {
    margin-top: 1.2rem;
    padding: 0.8rem 1.8rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    background: linear-gradient(90deg, #43cea2, #185a9d);
    color: #fff;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.25);
}

.reset-btn {
    margin-left: 10px;
    background: linear-gradient(90deg, #ff5f6d, #ffc371);
}

.result,
.generation {
    display: none;
    margin-top: 1.2rem;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.6s ease-in-out;
}

.result {
    background: linear-gradient(90deg, #43cea2, #185a9d);
}

.generation {
    background: linear-gradient(90deg, #ff9966, #ff5e62);
}

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