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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

header .subtitle {
    opacity: 0.9;
    font-size: 1rem;
}

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

section {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    padding: 1.5rem;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    flex: 1;
    font-size: 1.25rem;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: #667eea;
    color: white;
}

.btn-primary:hover {
    background-color: #5a6fd6;
}

.btn-secondary {
    background-color: #e0e0e0;
    color: #333;
}

.btn-secondary:hover {
    background-color: #d0d0d0;
}

.btn-danger {
    background-color: #e53e3e;
    color: white;
}

.btn-danger:hover {
    background-color: #c53030;
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
}

.empty-state {
    text-align: center;
    padding: 2rem;
    color: #666;
}

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

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

th {
    background-color: #f9f9f9;
    font-weight: 600;
    font-size: 0.875rem;
    color: #666;
}

td {
    font-size: 0.875rem;
}

.actions-cell {
    display: flex;
    gap: 0.5rem;
}

.async-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.async-badge.async-true {
    background-color: #c6f6d5;
    color: #22543d;
}

.async-badge.async-false {
    background-color: #e2e8f0;
    color: #4a5568;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    font-size: 1.125rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    padding: 0;
    line-height: 1;
}

.close-btn:hover {
    color: #333;
}

form {
    padding: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: #555;
}

.form-group input[type="text"],
.form-group input[type="file"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.875rem;
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
}

.checkbox-group label {
    margin-bottom: 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid #eee;
    background-color: #f9f9f9;
}

.warning {
    color: #e53e3e;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

#details-content {
    padding: 1.5rem;
}

.detail-row {
    display: flex;
    margin-bottom: 0.75rem;
}

.detail-label {
    font-weight: 600;
    width: 120px;
    color: #666;
    font-size: 0.875rem;
}

.detail-value {
    flex: 1;
    font-size: 0.875rem;
    word-break: break-all;
}

/* Invocations list */
#invocations-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.invocation-item {
    border: 1px solid #eee;
    border-radius: 4px;
    padding: 1rem;
}

.invocation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.invocation-id {
    font-family: monospace;
    font-size: 0.875rem;
    color: #666;
}

.invocation-status {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-pending {
    background-color: #fef3c7;
    color: #92400e;
}

.status-running {
    background-color: #dbeafe;
    color: #1e40af;
}

.status-completed {
    background-color: #c6f6d5;
    color: #22543d;
}

.status-failed {
    background-color: #fed7d7;
    color: #c53030;
}

.invocation-function {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.invocation-result {
    background-color: #f9f9f9;
    padding: 0.5rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.75rem;
    white-space: pre-wrap;
    word-break: break-all;
}

.invocation-error {
    background-color: #fed7d7;
    color: #c53030;
}

/* Parameter input styling */
.param-input-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
}

.param-input-group label {
    min-width: 60px;
    font-size: 0.75rem;
    color: #666;
}

.param-input-group input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.875rem;
}

.param-type {
    font-size: 0.625rem;
    color: #999;
    font-family: monospace;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    main {
        padding: 1rem;
    }

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

    .section-header {
        flex-wrap: wrap;
    }

    .section-header h2 {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}