body {
    font-family: Arial, sans-serif;
    max-width: 99%;
    max-height: 100vh;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    display: flex;
    gap: 20px;
}

.sidebar {
    flex: 0 0 100px;
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.message-panel {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    height: 60vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.controls-panel {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
    color: #333;
    margin-top: 0;
}

#message-container {
    flex: 1;
    overflow-y: auto;
    border: 1px solid #eee;
    border-radius: 4px;
    padding: 10px;
    background-color: #fafafa;
    margin-bottom: 10px;
}

.message {
    margin-bottom: 12px;
    padding: 10px;
    border-radius: 6px;
    position: relative;
}

.tcp-message {
    background-color: #e3f2fd;
    border-left: 3px solid #2196F3;
}

.web-message {
    background-color: #e8f5e9;
    border-left: 3px solid #4CAF50;
    text-align: right;
}

.message-content {
    word-break: break-all;
    margin-bottom: 5px;
}

.socket-details {
    font-size: 0.8em;
    color: #666;
    margin-bottom: 5px;
}

.timestamp {
    font-size: 0.8em;
    color: #999;
}

.source-label {
    font-weight: bold;
    margin-right: 5px;
}

.input-group {
    display: flex;
    margin-bottom: 10px;
}

.input-group label {
    margin-right: 10px;
    align-self: center;
    white-space: nowrap;
}

.input-group select {
    flex: 0 0 200px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-right: 10px;
}

.format-toggle {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 10px;
}

.display-format-toggle {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.radio-group {
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
    display: inline-flex;
}

.radio-group label {
    padding: 8px 15px;
    cursor: pointer;
    background-color: #f5f5f5;
    border-right: 1px solid #ddd;
    transition: background-color 0.2s;
}

.radio-group label:last-child {
    border-right: none;
}

.radio-group input[type="radio"] {
    display: none;
}

.radio-group input[type="radio"]:checked + label {
    background-color: #2196F3;
    color: white;
}

.format-toggle label {
    cursor: pointer;
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f5f5f5;
}

.format-toggle input[type="radio"] {
    margin-right: 5px;
}

.format-toggle input[type="radio"]:checked + label {
    background-color: #e3f2fd;
    border-color: #2196F3;
}

#message-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
}

#send-button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}

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

.client-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.client-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.client-item:last-child {
    border-bottom: none;
}

.client-item:hover {
    background-color: #f5f5f5;
}

.client-item.selected {
    background-color: #e3f2fd;
    border-left: 3px solid #2196F3;
}

.client-item input[type="radio"] {
    margin-right: 10px;
}

.client-name {
    font-weight: bold;
}

.client-details {
    font-size: 0.8em;
    color: #666;
}

.display-settings {
    padding: 15px;
    border-bottom: 1px solid #eee;
    margin-bottom: 15px;
    background-color: #f9f9f9;
    border-radius: 5px;
}

.hex-text {
    font-family: monospace;
    letter-spacing: 1px;
}

.display-toggle {
    margin-top: 10px;
}

.display-toggle label {
    cursor: pointer;
    margin-right: 10px;
}

.no-clients-message {
    text-align: center;
    color: #666;
    padding: 20px;
}

.rename-form {
    display: flex;
    margin-top: 5px;
}

.rename-input {
    flex: 1;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9em;
}

.rename-button {
    padding: 5px 10px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 5px;
    font-size: 0.9em;
}

.client-actions {
    display: flex;
    margin-top: 5px;
    gap: 5px;
}

.action-button {
    padding: 3px 8px;
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 3px;
    cursor: pointer;
    font-size: 0.8em;
}

.action-button:hover {
    background-color: #e3f2fd;
}