:root {
    --glass: rgba(255, 255, 255, 0.2);
    --blur: blur(15px);
    --border: rgba(255, 255, 255, 0.3);
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    color: white;
}

.background-blobs {
    position: absolute;
    width: 300px;
    height: 300px;
    background: #00d2ff;
    filter: blur(80px);
    border-radius: 50%;
    z-index: -1;
    animation: move 10s infinite alternate;
}

@keyframes move {
    from { transform: translate(-50%, -50%); }
    to { transform: translate(50%, 50%); }
}

.glass-container {
    background: var(--glass);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 30px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

select, input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: white;
    padding: 10px;
    outline: none;
}

button {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
    border-radius: 12px;
    border: none;
    background: #007aff;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover { background: #0056b3; }

.list-container {
    margin-top: 20px;
    max-height: 200px;
    overflow-y: auto;
}

ul { list-style: none; padding: 0; }

li {
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 8px;
    padding: 10px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
}

.result-box {
    margin-top: 20px;
    font-size: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border);
    padding-top: 15px;
}