body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: #333;
}

nav {
    background: #2c3e50;
    padding: 0.5rem 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

nav a {
    color: #ecf0f1;
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
}

nav a:hover {
    background: #34495e;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h1, h2, h3 {
    color: #2c3e50;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
}

.stat-label {
    color: #7f8c8d;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid #ecf0f1;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

tr:hover {
    background: #f8f9fa;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.875rem;
}

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

.btn-small {
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
}

.btn-secondary {
    background: #607d8b;
}

.btn-secondary:hover {
    background: #546e7a;
}

.btn-danger {
    background: #e74c3c;
}

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

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    box-sizing: border-box;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-error {
    background: #fee;
    color: #c00;
    border: 1px solid #fcc;
}

.alert-success {
    background: #efe;
    color: #080;
    border: 1px solid #cfc;
}

.status-ok { color: #27ae60; }
.status-error { color: #e74c3c; }
.status-warning { color: #f39c12; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.page-header h1,
.page-header h2,
.page-header p {
    margin-top: 0;
    margin-bottom: 0.25rem;
}

.page-header.compact {
    align-items: flex-start;
}

.actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.muted,
.help-text {
    color: #6c757d;
}

.help-text {
    margin: 0.25rem 0 0;
    font-size: 0.875rem;
}

.pill-link {
    display: inline-block;
    margin: 0.15rem 0.25rem 0.15rem 0;
    padding: 0.25rem 0.5rem;
    border: 1px solid #d5dce0;
    border-radius: 4px;
    color: #2c3e50;
    text-decoration: none;
    background: #f8f9fa;
}

.pill-link:hover {
    background: #ecf0f1;
}

.check-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-weight: 400;
}

.check-row input {
    width: auto;
}

.inline-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.inline-form input {
    min-width: 12rem;
    padding: 0.35rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

pre {
    white-space: pre-wrap;
    word-break: break-word;
}

@media (max-width: 760px) {
    nav,
    .page-header,
    .actions,
    .inline-form {
        align-items: stretch;
        flex-direction: column;
    }

    table {
        display: block;
        overflow-x: auto;
    }
}