body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, #0f2027, #203a43, #2c5364);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.title {
    text-align: center;
    animation: glow 2s infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 10px cyan; }
    to { text-shadow: 0 0 25px blue; }
}

.card {
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 20px;
    width: 350px;
    box-shadow: 0 0 30px rgba(0,255,255,0.2);
    animation: slideUp 1s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

input, textarea, select {
    width: 100%;
    margin: 10px 0;
    padding: 10px;
    border-radius: 10px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: white;
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    background: linear-gradient(45deg, cyan, blue);
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

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

.output {
    margin-top: 15px;
    padding: 10px;
    min-height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
}

.loader {
    border: 4px solid rgba(255,255,255,0.2);
    border-top: 4px solid cyan;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    margin: 10px auto;
    animation: spin 1s linear infinite;
}

.hidden {
    display: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}