.error-container{display:flex;justify-content:center;align-items:center;min-height:400px;padding:20px}.error-container .error-message{background-color:#fee;border:2px solid #fcc;border-radius:8px;padding:30px;max-width:600px;text-align:center}.error-container .error-message h2{color:#c33;margin-top:0}.error-container .error-message p{color:#666;margin:15px 0}.error-container .error-message code{background-color:#f5f5f5;padding:2px 6px;border-radius:3px;font-family:monospace}.config-container{display:flex;gap:20px;margin-top:20px}.config-container .config-section{flex:1}.config-container .config-section textarea{font-family:monospace;width:100%;min-width:300px}.email-section{margin:20px 0;padding:20px;background-color:#f8f9fa;border-radius:8px}.email-section .email-input-container{display:flex;gap:10px;margin-top:10px}.email-section #customer-email{flex:1;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:16px}.email-section #fetch-session{padding:10px 20px;background-color:#28a745;color:white;border:none;border-radius:4px;cursor:pointer;font-size:16px}.email-section #fetch-session:hover{background-color:#218838}.email-section #fetch-session:disabled{background-color:#6c757d;cursor:not-allowed}.email-section #session-status{margin-top:10px;font-size:14px}.email-section #session-status.success{color:#28a745}.email-section #session-status.error{color:#dc3545}#express-checkout-element{margin:20px 0}.test-controls-section{margin:20px 0;padding:20px;background-color:#f0f8ff;border-radius:8px;border:1px solid #b0d4ff}.test-controls-section .test-controls{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));gap:15px;margin-top:15px}.test-controls-section .control-group{display:flex;flex-direction:column;gap:5px}.test-controls-section .control-group label{font-weight:600;color:#333;font-size:14px}.test-controls-section .control-group select,.test-controls-section .control-group input[type="number"],.test-controls-section .control-group input[type="text"]{padding:8px;border:1px solid #ddd;border-radius:4px;font-size:14px}.test-controls-section .control-group input[type="checkbox"]{margin-right:5px}.event-log-section{margin:20px 0;padding:20px;background-color:#f8f8f8;border-radius:8px;border:1px solid #e0e0e0;position:relative}.event-log-section h3{margin-top:0;display:inline-block}.event-log-section .clear-log-btn{position:absolute;right:20px;top:20px;padding:5px 15px;background-color:#6c757d;color:white;border:none;border-radius:4px;cursor:pointer;font-size:14px}.event-log-section .clear-log-btn:hover{background-color:#5a6268}.event-log-section #event-log{margin-top:15px;max-height:300px;overflow-y:auto;font-family:'Courier New', monospace;font-size:13px;background-color:#fff;border:1px solid #ddd;border-radius:4px;padding:10px}.event-log-section .event-log-entry{margin-bottom:8px;padding:5px;border-left:3px solid #007bff;background-color:#f9f9f9}.event-log-section .event-log-entry.error{border-left-color:#dc3545;background-color:#fff5f5}.event-log-section .event-log-entry.success{border-left-color:#28a745;background-color:#f5fff5}.event-log-section .event-log-entry.warning{border-left-color:#ffc107;background-color:#fffdf5}.event-log-section .event-log-time{color:#666;font-size:11px}.event-log-section .event-log-type{font-weight:bold;color:#007bff;text-transform:uppercase;font-size:11px}.event-log-section .event-log-details{margin-top:3px;color:#333;word-break:break-word}