@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&display=swap');

body {
    background: url('assets/project_1.png') no-repeat center center fixed;
    background-size: cover;
    font-family: 'Fredoka One', cursive;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.calculator-card {
    max-width: 350px; 
    width: 85%;
    padding: 20px;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(1px);
    border: 4px solid #8B4513;
    border-radius: 20px;
    text-align: center;
}

h1 {
    font-size: 1.8rem;
    margin: 10px 0;
}

input {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border-radius: 10px;
    border: 2px solid #D2691E;
    font-size: 1rem;
    box-sizing: border-box;
}

.reveal-btn {
    background: #FF4500;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1.1rem;
    box-shadow: 0 4px 0 #A52A2A;
}

#popup-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    display: none;
    justify-content: center;
    align-items: center;
}

#popup {
    background: #FFF5EE;
    padding: 20px;
    border-radius: 20px;
    border: 5px solid #D2691E;
    max-width: 300px;
    text-align: center;
}

.result-image {
    width: 100%;
    border-radius: 15px;
    margin: 10px 0;
}

#res-text {
    font-size: 1.5rem;
    margin: 5px 0;
}