body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to right, #4e54c8, #8f94fb);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    margin: 0;
}

.container {
    background: rgba(0,0,0,0.6);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

input[type="text"] {
    padding: 12px;
    width: 300px;
    border-radius: 6px;
    border: none;
    margin-bottom: 20px;
}

button {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    background-color: #ff4b2b;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background-color: #ff416c;
}

.flash {
    margin-bottom: 20px;
    padding: 10px;
    border-radius: 6px;
}

.flash.success {
    background-color: #4caf50;
}

.flash.error {
    background-color: #f44336;
}