body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: linear-gradient(135deg, #e7eeff, #ffffff);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    text-align: center;
    max-width: 320px;
    width: 100%;
    padding: 20px;
}

.logo img {
    max-width: 200px;
    margin-bottom: 10px;
}

form {
    margin-top: 15px;
}

input,
.btn {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border: 2px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    box-sizing: border-box;
}

input:focus {
    border-color: #4facfe;
    outline: none;
    box-shadow: 0 0 5px rgba(79, 172, 254, 0.7);
}

.btn {
    background: #32ca78;
    color: #fff;
    border: none;
    cursor: pointer;
    font-weight: bold;
}

.btn:hover {
    background: #2bb56d;
}

.messages {
    list-style: none;
    padding: 0;
    margin: 0 0 10px;
    text-align: left;
    font-size: 14px;
}

.error {
    color: red;
}

.success {
    color: green;
}

.footer {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}