@{
    ViewData["Title"] = "Excel Diagnostic Test";
    var log = (string?)ViewBag.DiagnosticLog ?? "No output";
}

<div class="card">
    <h1>🧪 Excel Diagnostic Test</h1>

    <p>This page searches for <strong>CalendarSync.xlsx</strong> in your OneDrive, lists root files, and attempts to write a test row.</p>

    <div style="background: #1a1a2e; color: #e0e0e0; border-radius: 8px; padding: 20px; margin: 16px 0; font-family: 'Menlo', 'Consolas', 'Courier New', monospace; font-size: 0.85rem; white-space: pre-wrap; line-height: 1.6; overflow-x: auto;">@log</div>

    <div style="display: flex; gap: 12px; margin-top: 16px;">
        <a asp-action="TestExcel" class="btn btn-primary" style="text-decoration: none;">
            🔄 Run Test Again
        </a>
        <a asp-action="Status" class="btn" style="text-decoration: none; background: #e0e0e0; color: #333;">
            ← Back to Status
        </a>
    </div>
</div>