Improve PDF reset logic and modernize UI styling
Refactor PDF reset to restore original document state using a new OriginalPdfBase64 variable and async logic. Redesign app.css with a lighter color palette, CSS variables, and updated styles for buttons, overlays, modals, and inputs for a cleaner, more accessible UI. Adjust signature and text overlay colors in pdfInterop.js for better contrast and consistency.
This commit is contained in:
OlgunR
@@ -84,6 +84,7 @@
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private ElementReference OverlayRef;
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private string? PdfBase64;
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private string? OriginalPdfBase64;
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private int PageIndex;
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private int PageCount;
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private double ViewportWidthPx = 800;
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@@ -143,6 +144,7 @@
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using var ms = new MemoryStream();
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await stream.CopyToAsync(ms);
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PdfBase64 = Convert.ToBase64String(ms.ToArray());
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OriginalPdfBase64 = PdfBase64;
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// Show the canvas before we start rendering
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await InvokeAsync(StateHasChanged);
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@@ -186,13 +188,28 @@
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}
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}
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private void Reset()
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private async Task Reset()
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{
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PdfBase64 = null;
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PageIndex = 0;
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PageCount = 0;
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ViewportHeightPx = 0;
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ErrorMessage = null;
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CloseOverlays();
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ShowSignaturePadModal = false;
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OverlayXpx = 20;
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OverlayYpx = 20;
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OverlayWidthPx = 200;
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OverlayHeightPx = 80;
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TextValue = "Text";
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if (string.IsNullOrWhiteSpace(OriginalPdfBase64))
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{
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return;
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}
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PdfBase64 = OriginalPdfBase64;
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PageIndex = 0;
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var result = await JS.InvokeAsync<RenderResult>("pdfInterop.loadPdf", PdfBase64);
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PageCount = result.Pages;
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await RenderPage();
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}
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private void CloseOverlays()
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@@ -1,114 +1,143 @@
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:root {
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--bg: #f6f7fb;
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--bg-strong: #eef2fb;
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--text: #0f172a;
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--muted: #475569;
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--border: #e2e8f0;
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--shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
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--card: #ffffff;
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--accent: #2563eb;
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--accent-strong: #1d4ed8;
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--accent-soft: #e8efff;
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--danger: #dc2626;
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}
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body {
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margin: 0;
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font-family: "Segoe UI", Arial, sans-serif;
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background: #0f172a;
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color: #e2e8f0;
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font-family: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
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background: radial-gradient(120% 120% at 10% 20%, #ffffff 0%, #f3f6ff 45%, #eef2fb 80%);
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color: var(--text);
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line-height: 1.5;
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}
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.main-layout {
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min-height: 100vh;
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background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0b1220 100%);
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}
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.top-bar {
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display: flex;
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align-items: center;
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padding: 12px 20px;
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background: rgba(255, 255, 255, 0.04);
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border-bottom: 1px solid rgba(226, 232, 240, 0.08);
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padding: 14px 24px;
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background: var(--card);
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border-bottom: 1px solid var(--border);
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box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
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}
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.top-bar .brand {
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font-weight: 700;
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letter-spacing: 0.5px;
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font-weight: 800;
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letter-spacing: 0.4px;
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}
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.content {
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padding: 24px 32px;
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padding: 28px 32px 40px;
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max-width: 1200px;
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margin: 0 auto;
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display: flex;
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flex-direction: column;
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gap: 16px;
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align-items: center;
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}
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h1 {
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margin-top: 0;
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margin-bottom: 8px;
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letter-spacing: 0.3px;
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margin: 0 0 10px;
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letter-spacing: 0.2px;
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}
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.controls {
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display: flex;
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gap: 8px;
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gap: 10px;
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flex-wrap: wrap;
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align-items: center;
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margin-bottom: 12px;
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margin-bottom: 14px;
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justify-content: center;
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}
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.btn {
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background: #22d3ee;
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color: #0f172a;
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background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
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color: #ffffff;
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border: none;
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padding: 10px 14px;
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border-radius: 8px;
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font-weight: 600;
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border-radius: 10px;
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font-weight: 700;
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cursor: pointer;
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transition: transform 120ms ease, box-shadow 120ms ease;
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transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
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box-shadow: 0 12px 28px rgba(37, 99, 235, 0.22);
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}
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.btn:hover:not(:disabled) {
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transform: translateY(-1px);
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box-shadow: 0 8px 18px rgba(34, 211, 238, 0.25);
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filter: brightness(1.02);
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}
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.btn:disabled {
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opacity: 0.4;
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opacity: 0.45;
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cursor: not-allowed;
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box-shadow: none;
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}
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.btn.secondary {
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background: rgba(226, 232, 240, 0.12);
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color: #e2e8f0;
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border: 1px solid rgba(226, 232, 240, 0.2);
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background: var(--accent-soft);
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color: var(--accent-strong);
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border: 1px solid var(--border);
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box-shadow: none;
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}
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.drop-hint {
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padding: 24px;
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border: 1px dashed rgba(226, 232, 240, 0.3);
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border-radius: 12px;
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padding: 26px;
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border: 1px dashed var(--border);
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border-radius: 14px;
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text-align: center;
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color: rgba(226, 232, 240, 0.8);
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color: var(--muted);
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background: #ffffff;
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width: min(1100px, 100%);
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margin: 0 auto;
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}
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.error-banner {
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margin-top: 8px;
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padding: 10px 12px;
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border-radius: 8px;
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background: rgba(239, 68, 68, 0.12);
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border: 1px solid rgba(239, 68, 68, 0.3);
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color: #fecdd3;
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margin-top: 10px;
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padding: 12px 14px;
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border-radius: 10px;
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background: #fff1f2;
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border: 1px solid #fecdd3;
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color: #b91c1c;
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}
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.document-shell {
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position: relative;
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margin-top: 12px;
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border-radius: 12px;
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margin-top: 14px;
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border-radius: 14px;
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overflow: hidden;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
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background: #0b1220;
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border: 1px solid rgba(226, 232, 240, 0.08);
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box-shadow: var(--shadow);
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background: var(--card);
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border: 1px solid var(--border);
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margin-left: auto;
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margin-right: auto;
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}
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canvas {
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display: block;
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width: 100%;
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height: auto;
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background: #111827;
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background: #ffffff;
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}
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.overlay {
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position: absolute;
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border: 2px solid #22d3ee;
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border-radius: 8px;
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padding: 6px;
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background: rgba(15, 23, 42, 0.9);
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box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
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border: 1px dashed var(--accent);
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border-radius: 10px;
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padding: 8px;
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background: rgba(255, 255, 255, 0.96);
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box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
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user-select: none;
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touch-action: none;
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}
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@@ -121,36 +150,39 @@ canvas {
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.overlay-controls {
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position: absolute;
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top: -36px;
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top: -44px;
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right: 0;
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display: flex;
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gap: 4px;
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gap: 6px;
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}
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.overlay-btn {
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background: #0f172a;
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color: #22d3ee;
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border: 1px solid rgba(34, 211, 238, 0.4);
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border-radius: 6px;
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padding: 4px 8px;
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background: #ffffff;
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color: var(--accent-strong);
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border: 1px solid var(--accent);
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border-radius: 8px;
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padding: 6px 10px;
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cursor: pointer;
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box-shadow: 0 6px 16px rgba(37, 99, 235, 0.15);
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}
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.overlay-input {
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border: none;
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background: transparent;
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color: #e2e8f0;
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border: 1px solid var(--border);
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background: #ffffff;
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color: var(--text);
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font-size: 18px;
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padding: 4px;
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min-width: 160px;
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padding: 6px 8px;
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min-width: 180px;
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border-radius: 8px;
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outline: none;
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}
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.paging {
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margin-top: 12px;
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margin-top: 14px;
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display: flex;
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gap: 10px;
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align-items: center;
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color: var(--muted);
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}
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.modal-backdrop {
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@@ -159,7 +191,8 @@ canvas {
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0, 0, 0, 0.65);
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background: rgba(15, 23, 42, 0.35);
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backdrop-filter: blur(3px);
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display: flex;
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align-items: center;
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justify-content: center;
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@@ -167,25 +200,26 @@ canvas {
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}
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.modal {
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background: #0f172a;
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border: 1px solid rgba(226, 232, 240, 0.08);
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border-radius: 12px;
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padding: 16px;
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background: var(--card);
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border: 1px solid var(--border);
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border-radius: 14px;
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padding: 18px;
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min-width: 760px;
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box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
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box-shadow: var(--shadow);
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}
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.modal-row {
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display: flex;
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align-items: center;
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gap: 10px;
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margin-top: 10px;
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gap: 12px;
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margin-top: 12px;
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color: var(--muted);
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}
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.modal canvas {
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background: #0b1220;
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border: 1px solid rgba(226, 232, 240, 0.1);
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border-radius: 8px;
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background: #ffffff;
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border: 1px solid var(--border);
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border-radius: 10px;
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}
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.spacer {
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@@ -175,7 +175,7 @@
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x,
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y: y - 14 * scaleY,
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size: 14 * scaleX,
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color: PDFLib.rgb(0.07, 0.54, 0.26),
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color: PDFLib.rgb(0.11, 0.25, 0.56),
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});
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}
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@@ -209,7 +209,7 @@
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x,
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y,
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size: fontSize * scaleX,
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color: PDFLib.rgb(0.9, 0.9, 0.9),
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color: PDFLib.rgb(0.2, 0.23, 0.28),
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});
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const updatedBase64 = await pdfDoc.saveAsBase64({ dataUri: false });
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@@ -225,7 +225,7 @@
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const ctx = canvas.getContext('2d');
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ctx.lineWidth = 2;
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ctx.lineCap = 'round';
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ctx.strokeStyle = '#22d3ee';
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ctx.strokeStyle = '#1c3d8f';
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const padState = {
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drawing: false,
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