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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    text-align: center;
}

header h1 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 2.5em;
}

header p {
    color: #666;
    font-size: 1.1em;
}

.form-section, .tests-section {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-header h2 {
    color: #333;
    font-size: 1.8em;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    resize: vertical;
    font-family: 'Courier New', monospace;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #888;
    font-size: 0.85em;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #f0f0f0;
    color: #333;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.message {
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.tests-list {
    display: grid;
    gap: 15px;
}

.test-card {
    background: #f8f9fa;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.test-card:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.test-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.test-id {
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #667eea;
    font-weight: 600;
}

.test-status {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

.test-status.pending {
    background: #fff3cd;
    color: #856404;
}

.test-status.calling {
    background: #cfe2ff;
    color: #084298;
}

.test-status.evaluated {
    background: #d1e7dd;
    color: #0f5132;
}

.test-status.completed {
    background: #d1e7dd;
    color: #0f5132;
}

.test-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.test-info-item {
    display: flex;
    flex-direction: column;
}

.test-info-label {
    font-size: 0.85em;
    color: #888;
    margin-bottom: 5px;
}

.test-info-value {
    font-weight: 600;
    color: #333;
}

.test-score {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.test-score.passed {
    background: #d1e7dd;
    color: #0f5132;
}

.test-score.failed {
    background: #f8d7da;
    color: #721c24;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #888;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 2px solid #e0e0e0;
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
}

.modal-header h2 {
    color: #333;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2em;
    cursor: pointer;
    color: #888;
    line-height: 1;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s;
}

.close-btn:hover {
    background: #f0f0f0;
    color: #333;
}

.modal-body {
    padding: 30px;
}

.detail-section {
    margin-bottom: 30px;
}

.detail-section h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.3em;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
}

.detail-item {
    margin-bottom: 15px;
}

.detail-label {
    font-weight: 600;
    color: #555;
    margin-bottom: 5px;
    display: block;
}

.detail-value {
    color: #333;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    white-space: pre-wrap;
    word-break: break-all;
}

.detail-value.json {
    max-height: 400px;
    overflow-y: auto;
}

.evaluation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.evaluation-metric {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.evaluation-metric-label {
    font-size: 0.85em;
    color: #888;
    margin-bottom: 5px;
}

.evaluation-metric-score {
    font-size: 1.5em;
    font-weight: 700;
    color: #667eea;
}

.evaluation-metric-reasoning {
    font-size: 0.85em;
    color: #666;
    margin-top: 8px;
    font-style: italic;
}

.json-viewer {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    line-height: 1.6;
}

.json-key {
    color: #9cdcfe;
}

.json-string {
    color: #ce9178;
}

.json-number {
    color: #b5cea8;
}

.json-boolean {
    color: #569cd6;
}

.json-null {
    color: #569cd6;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    header h1 {
        font-size: 2em;
    }

    .form-section, .tests-section {
        padding: 20px;
    }

    .modal-content {
        max-width: 95%;
    }

    .evaluation-grid {
        grid-template-columns: 1fr;
    }
}