body {
    background: linear-gradient(135deg, #00b4db, #0083b0); /* Blue Gradient */
    font-family: 'Arial', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: white;
}

.back-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
    z-index: 1000;
}
.back-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: scale(1.05);
}

.weather-card {
    background: rgba(255, 255, 255, 0.2); /* Semi-transparent */
    backdrop-filter: blur(10px); /* The Blur Effect */
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-align: center;
    width: 300px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

h2 { margin: 0; font-weight: 300; opacity: 0.8; }
.location { margin-top: 5px; font-size: 1.2rem; }

.display-box {
    margin: 30px 0;
}

#temperature {
    font-size: 4rem;
    font-weight: bold;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

button {
    background: white;
    color: #0083b0;
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

button:hover { transform: scale(1.05); }