/* General Body Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    padding: 0;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header and Navbar */
header {
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
    padding: 10px 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5em;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
}

.navbar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.navbar-nav li {
    margin-left: 20px;
}

.navbar-nav a {
    color: #34495e;
    text-decoration: none;
    font-size: 1em;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.navbar-nav a:hover {
    background-color: #3498db;
    color: #fff;
}

/* Main Content */
main {
    padding: 20px 0;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    background-color: #34495e;
    color: #ecf0f1;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box; /* Important for 100% width */
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 1em;
    border-radius: 5px;
    text-decoration: none;
    color: #fff;
    background-color: #3498db;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-danger {
    background-color: #e74c3c;
}

.btn-danger:hover {
    background-color: #c0392b;
}

/* Alerts */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}