body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
}

nav {
    background: #2c3e50;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav h1 {
    margin: 0;
    font-size: 1.5rem;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
}

nav a {
    color: white;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

table {
    width: 100%;
    background: white;
    border-collapse: collapse;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

th {
    background: #34495e;
    color: white;
}

button {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 4px;
}

button:hover {
    background: #2980b9;
}

.btn {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 4px;
}

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

.status-pending {
    color: #f39c12;
}

.status-approved {
    color: #27ae60;
}

.status-rejected {
    color: #e74c3c;
}

.status-active {
    color: #27ae60;
}

.status-inactive {
    color: #95a5a6;
}

.status-failed {
    color: #e74c3c;
}

.info-box {
    background: white;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

pre {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
}

textarea {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0.5rem;
}

.actions {
    margin: 1rem 0;
    display: flex;
    gap: 0.5rem;
}