webapp/style.css

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

h1 { color: #fff; text-align: center; }
h2 { color: #f0f0f0; }

section {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
}

label {
    display: block;
    margin: 10px 0;
    font-weight: 500;
}

input, button {
    padding: 10px;
    font-size: 1rem;
    border-radius: 8px;
    border: none;
    width: 100%;
    box-sizing: border-box;
}

input {
    background: rgba(255,255,255,0.9);
    color: #333;
}

button {
    background: #27ae60;
    color: #fff;
    cursor: pointer;
    font-weight: bold;
    margin-top: 10px;
    transition: 0.3s;
}

button:hover {
    background: #1e8449;
    transform: scale(1.02);
}