/* Base Styles */
:root {
    --primary-color: #004080; /* A classic, professional blue */
    --secondary-color: #f4f4f4;
    --text-color: #333;
    --accent-color: #d9534f; /* Red accent for callsigns/alerts */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #e9ecef;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    max-width: 1000px;
}

/* Header */
header {
    background: var(--primary-color);
    color: #fff;
    padding-top: 30px;
    min-height: 100px;
    border-bottom: #00264d 4px solid;
    text-align: center;
}

header h1 {
    font-size: 3rem;
    letter-spacing: 2px;
}

/* Navigation */
nav {
    background: #333;
    color: #fff;
}

nav ul {
    padding: 0;
    list-style: none;
    text-align: center;
}

nav li {
    display: inline-block;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    padding: 15px 20px;
    display: block;
}

nav a:hover {
    background: var(--accent-color);
    font-weight: bold;
}

/* Main Content */
.main-content {
    background: #fff;
    padding: 30px;
    margin-top: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 5px;
}

section {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

section:last-child {
    border-bottom: none;
}

h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
}

/* Cards for Meetings */
.card {
    background: var(--secondary-color);
    padding: 20px;
    margin-bottom: 20px;
    border-left: 5px solid var(--primary-color);
    border-radius: 4px;
}

.card h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Tables for Repeaters */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border: 1px solid #ddd;
}

table th {
    background-color: var(--primary-color);
    color: #fff;
}

table tr:nth-child(even) {
    background-color: var(--secondary-color);
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: #fff;
    margin-top: 20px;
}

/* Responsive adjustments */
@media(max-width: 768px) {
    .container {
        width: 95%;
    }
    nav li {
        display: block;
        width: 100%;
        border-bottom: 1px solid #444;
    }
}