body {
    background-color: #f8f9fa;
    color: #212529;
    transition: background-color 0.3s, color 0.3s;
    font-size: 0.9em;
}

body.dark-mode {
    background-color: #212529;
    color: #f8f9fa;
}

.container {
    padding: 15px;
    max-width: 90%;
}

.content-section {
    background-color: transparent;
    border: none;
    padding: 0;
    margin-bottom: 0;
    transition: background-color 0.3s;
}

body.dark-mode .content-section {
    background-color: transparent;
}

.form-group {
    margin-bottom: 0;
    background-color: transparent;
    border: none;
    padding: 5px 0;
}

body.dark-mode .form-group {
    background-color: transparent;
    border: none;
}

.form-group label {
    font-weight: bold;
}

.control-channel-box, .repeater-box {
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    margin-bottom: 10px;
    padding: 15px;
    transition: background-color 0.3s, border-color 0.3s;
}

body.dark-mode .control-channel-box, body.dark-mode .repeater-box {
    background-color: #495057;
    border-color: #6c757d;
}

.voice-channel {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 0.25rem;
    margin-bottom: 10px;
    padding: 15px;
    transition: background-color 0.3s, border-color 0.3s;
}

body.dark-mode .voice-channel {
    background-color: #c82333;
    border-color: #bd2130;
}

.voice-channel.keyed {
    background-color: #d4edda;
    border-color: #c3e6cb;
}

body.dark-mode .voice-channel.keyed {
    background-color: #28a745;
    border-color: #218838;
}

h2, h3, h4, h5 {
    margin-bottom: 15px;
    font-size: 90%;
}

.navbar {
    border-bottom: 1px solid #dee2e6;
    padding: 0.5rem 1rem;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

body.dark-mode .navbar {
    background-color: #343a40;
    border-color: #495057;
}

body.dark-mode .navbar-light .navbar-brand,
body.dark-mode .navbar-light .navbar-nav .nav-link {
    color: #f8f9fa;
}

body.dark-mode .navbar-light .navbar-toggler {
    color: #f8f9fa;
    border-color: #495057;
}

body.dark-mode .navbar-light .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='%23f8f9fa' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

body.dark-mode .table td, body.dark-mode .table th {
    color: #f8f9fa;
}

.form-control {
    font-size: 90%;
}

.btn {
    font-size: 90%;
    padding: 0.375rem 0.75rem;
}

#message-banner {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    z-index: 1000;
    text-align: center;
    font-size: 90%;
}

#message-banner.info {
    background-color: #17a2b8;
    color: #ffffff;
}

body.dark-mode #message-banner.info {
    background-color: #0c5460;
    color: #d1ecf1;
}

@media (max-width: 991.98px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .navbar-toggler {
        padding: 0.25rem 0.5rem;
    }
    
    .btn {
        padding: 0.375rem 0.75rem;
    }
    
    .container {
        padding: 10px;
    }
    
    .form-group {
        margin-bottom: 0.75rem;
    }
    
    .table td, .table th {
        padding: 0.5rem;
    }
}

#clear-manual-talkgroup {
    background-color: transparent;
    border: 1px solid #ced4da;
}

body.dark-mode #clear-manual-talkgroup {
    background-color: transparent;
    border-color: #495057;
    color: #f8f9fa;
}

#clear-manual-talkgroup:hover {
    background-color: #e9ecef;
}

body.dark-mode #clear-manual-talkgroup:hover {
    background-color: #495057;
}