* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(to top right, #6dd5ed, #2193b0);
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 20px;
    padding: 30px 40px;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
    backdrop-filter: blur(8px);
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1rem;
    margin-bottom: 25px;
    color: #f0f0f0;
}

.search-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
}

.class-input {
    padding: 12px 15px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
}

.search-btn {
    padding: 12px;
    border: none;
    border-radius: 8px;
    background-color: #ffffff;
    color: #2193b0;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.search-btn:hover {
    background-color: #d3ecf9;
}

p {
    font-size: 1rem;
    margin-top: 10px;
}


.hidden {
    display: none;
}


.error {
    background-color: rgba(255, 0, 0, 0.2);
    color: #ffdddd;
    padding: 10px;
    margin-top: 15px;
    border-radius: 10px;
}


.weather-display {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    padding: 20px;
    margin-top: 20px;
    backdrop-filter: blur(5px);
}

.weather-display h2 {
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.weather-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.temperature {
    font-size: 3rem;
    font-weight: bold;
    color: #fff;
}

.description {
    font-style: italic;
    color: #f1f1f1;
}

.weather-details, .detail-item {
    font-size: 1rem;
    color: #f8f8f8;
}

.label {
    font-weight: bold;
}


@media (max-width: 480px) {
    .container {
        padding: 20px;
    }

    .search-section {
        flex-direction: column;
    }

    .temperature {
        font-size: 2.5rem;
    }

    .weather-display h2 {
        font-size: 1.5rem;
    }
}