html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

h1, h2, h3, h4, h5, h6 {
    user-select: none;
    outline: none;
}

h1 {
    color: #333;
    margin-bottom: 20px;
}

a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Culture Selector */
.culture-selector {
    margin: 15px 0;
    padding: 10px;
    background-color: #e9e9e9;
    border-radius: 5px;
    display: inline-block;
}

.culture-selector select {
    padding: 5px 10px;
    font-size: 14px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin: 15px 0;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #4a4a4a;
    color: white;
    font-weight: 600;
}

tr:hover {
    background-color: #f5f5f5;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select {
    width: 100%;
    max-width: 400px;
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #0066cc;
}

.validation-error {
    color: #dc3545;
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

/* Buttons */
button, .btn-create {
    padding: 10px 20px;
    font-size: 14px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

button {
    background-color: #0066cc;
    color: white;
}

button:hover {
    background-color: #0052a3;
}

.btn-create {
    background-color: #28a745;
    color: white;
}

.btn-create:hover {
    background-color: #218838;
    text-decoration: none;
}

.form-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

.form-actions a {
    padding: 10px 20px;
    background-color: #6c757d;
    color: white;
    border-radius: 4px;
}

.form-actions a:hover {
    background-color: #5a6268;
    text-decoration: none;
}

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 20px 0;
}

/* Navigation Menu */
.nav-menu {
    padding-top: 20px;
}

.nav-menu .flex-column {
    display: flex;
    flex-direction: column;
}

.nav-menu .nav-item {
    padding: 10px 20px;
}

.nav-menu .nav-link {
    color: white;
    text-decoration: none;
    font-size: 14px;
}

.nav-menu .nav-link:hover {
    color: #ccc;
    text-decoration: none;
}

/* Top Row */
.top-row {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
    height: 50px;
    background-color: #f8f8f8;
    border-bottom: 1px solid #ddd;
}

.top-row .culture-selector {
    margin: 0;
    padding: 5px 10px;
    background-color: transparent;
}

.top-row a {
    color: #333;
}

/* Home Page */
.intro {
    font-size: 18px;
    color: #555;
    margin-bottom: 30px;
}

.features-list {
    list-style: none;
    padding: 0;
}

.features-list li {
    padding: 10px 0;
    font-size: 16px;
    border-bottom: 1px solid #eee;
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list li i {
    margin-right: 10px;
}

/* Navbar brand */
.navbar-brand {
    color: white !important;
}