/* Dark Mode Body */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #121212;
    color: #f1f1f1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

/* Container */
.container {
    width: 400px;
    text-align: center;
}

/* Heading */
h1 {
    color: #ffcc00;
    margin-bottom: 20px;
    font-size: 28px;
}

/* Card style */
.card {
    background-color: #1e1e1e;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

/* Input groups */
.input-group {
    margin-bottom: 15px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #f1f1f1;
    font-weight: 500;
}

input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #444;
    background-color: #2c2c2c;
    color: #f1f1f1;
    font-size: 16px;
    transition: 0.3s;
}

input:focus {
    border-color: #ffcc00;
    outline: none;
    box-shadow: 0 0 8px #ffcc00;
}

/* Button */
button {
    width: 100%;
    padding: 12px;
    background-color: #ffcc00;
    border: none;
    border-radius: 8px;
    color: #121212;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: #e6b800;
    box-shadow: 0 5px 15px rgba(255, 204, 0, 0.4);
}

/* Result card with animation */
.result-card {
    margin-top: 20px;
    padding: 20px;
    background-color: #2c2c2c;
    border-left: 5px solid #ffcc00;
    border-radius: 10px;
    font-size: 18px;
    color: #f1f1f1;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-in-out;
}

.result-card.show {
    opacity: 1;
    transform: translateY(0);
}