body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.login-form {
    background-color: white;
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header {
    background: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
}

header h1 {
    margin: 0;
}

nav {
    margin-top: 1rem;
}

button {
    background: #4CAF50;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 600px;
    border-radius: 5px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
}

form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.form-group label {
    flex: 0 0 150px;
    margin-right: 1rem;
}

.form-group input,
.form-group select {
    flex: 1;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 3px;
}

.tooltip {
    margin-left: 0.5rem;
    color: #666;
    cursor: help;
}

#conditionsContainer,
#actionsContainer {
    border: 1px solid #ddd;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
}

.condition,
.action {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.condition select,
.condition input,
.action select,
.action input {
    margin-right: 0.5rem;
}

.removeBtn {
    background-color: #f44336;
}

.removeBtn:hover {
    background-color: #d32f2f;
}

#rulesList,
#callHistoryList {
    margin-top: 1rem;
}

.rule-item,
.call-item {
    background-color: white;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.rule-item h3,
.call-item h3 {
    margin-top: 0;
}

#pagination {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

#pagination button {
    margin: 0 0.25rem;
}