body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    padding-top: 40px;
}

/* Main container */
.box {
    width: 550px;
    margin: auto;
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 0 12px rgba(0,0,0,0.1);
}

/* Headings */
h2 {
    text-align: center;
    margin-bottom: 20px;
}

/* Inputs & buttons */
input,
button {
    width: 100%;
    height: 44px;
    font-size: 15px;
    margin-top: 12px;
    border-radius: 4px;
    box-sizing: border-box;
}

input {
    padding: 10px;
    border: 1px solid #ccc;
}

button {
    background: #4a90e2;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #357bd8;
}

/* Result / output box */
.result {
    margin-top: 20px;
    background: #f7f9fc;
    padding: 15px;
    border-radius: 5px;
}

/* Error message */
.error {
    background: #ffe6e6;
    color: #7f1d1d;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    margin-top: 15px;
}

/* Success message (DB connected etc.) */
.success {
    background: #e6fffa;
    color: #065f46;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 15px;
}

/* No data message */
.no-data {
    color: #777;
    text-align: center;
    margin-top: 15px;
}

.db-status {
    font-size: 13px;
    text-align: center;
    margin-bottom: 12px;
}

.db-success {
    color: #2e7d32; /* subtle green */
}

.db-error {
    color: #c62828; /* subtle red */
}