diff --git a/EnvelopeGenerator.ReceiverUIBlazor/wwwroot/css/app.css b/EnvelopeGenerator.ReceiverUIBlazor/wwwroot/css/app.css
index 12714836..65787737 100644
--- a/EnvelopeGenerator.ReceiverUIBlazor/wwwroot/css/app.css
+++ b/EnvelopeGenerator.ReceiverUIBlazor/wwwroot/css/app.css
@@ -1,21 +1,24 @@
+@import url('https://fonts.googleapis.com/css2?family=Red+Hat+Text:wght@400;500;600;700&family=Teko:wght@500;600&display=swap');
+
 :root {
-    --bg: #f6f7fb;
-    --bg-strong: #eef2fb;
-    --text: #0f172a;
-    --muted: #475569;
-    --border: #e2e8f0;
-    --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
+    --bg: #f7f7f8;
+    --bg-strong: #fff6f6;
+    --text: #474747;
+    --muted: #777777;
+    --border: #e7e7e7;
+    --shadow: 0 18px 55px rgba(20, 20, 20, 0.08);
     --card: #ffffff;
-    --accent: #2563eb;
-    --accent-strong: #1d4ed8;
-    --accent-soft: #e8efff;
-    --danger: #dc2626;
+    --accent: #a52431;
+    --accent-strong: #8d1e2a;
+    --accent-soft: #f8e5e8;
+    --highlight: #ffd62f;
+    --danger: #a52431;
 }
 
 body {
     margin: 0;
-    font-family: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
-    background: radial-gradient(120% 120% at 10% 20%, #ffffff 0%, #f3f6ff 45%, #eef2fb 80%);
+    font-family: "Red Hat Text", "Segoe UI", system-ui, -apple-system, sans-serif;
+    background: radial-gradient(120% 120% at 6% 12%, var(--bg-strong) 0%, #fffdf7 45%, var(--bg) 85%);
     color: var(--text);
     line-height: 1.5;
 }
@@ -28,14 +31,17 @@ body {
     display: flex;
     align-items: center;
     padding: 14px 24px;
-    background: var(--card);
-    border-bottom: 1px solid var(--border);
-    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
+    background: var(--accent);
+    border-bottom: 1px solid var(--accent-strong);
+    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
+    color: #ffd62f;
 }
 
 .top-bar .brand {
-    font-weight: 800;
-    letter-spacing: 0.4px;
+    font-family: "Teko", "Red Hat Text", sans-serif;
+    font-weight: 600;
+    letter-spacing: 0.6px;
+    color: #ffd62f;
 }
 
 .content {
@@ -51,6 +57,8 @@ body {
 h1 {
     margin: 0 0 10px;
     letter-spacing: 0.2px;
+    font-family: "Teko", "Red Hat Text", sans-serif;
+    font-weight: 600;
 }
 
 .controls {
@@ -63,20 +71,20 @@ h1 {
 }
 
 .btn {
-    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
+    background: #4a4a4a;
     color: #ffffff;
-    border: none;
-    padding: 10px 14px;
-    border-radius: 10px;
+    border: 1px solid #404040;
+    padding: 10px 15px;
+    border-radius: 12px;
     font-weight: 700;
     cursor: pointer;
-    transition: transform 120ms ease, box-shadow 120ms ease, filter 120ms ease;
-    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.22);
+    transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
+    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
 }
 
 .btn:hover:not(:disabled) {
     transform: translateY(-1px);
-    filter: brightness(1.02);
+    background: #3f3f3f;
 }
 
 .btn:disabled {
@@ -86,12 +94,17 @@ h1 {
 }
 
 .btn.secondary {
-    background: var(--accent-soft);
-    color: var(--accent-strong);
-    border: 1px solid var(--border);
+    background: #f4f4f4;
+    color: #474747;
+    border: 1px solid #d3d3d3;
     box-shadow: none;
 }
 
+.btn.secondary:hover:not(:disabled) {
+    background: #e9e9e9;
+    transform: translateY(-1px);
+}
+
 .drop-hint {
     padding: 26px;
     border: 1px dashed var(--border);
@@ -101,15 +114,16 @@ h1 {
     background: #ffffff;
     width: min(1100px, 100%);
     margin: 0 auto;
+    box-shadow: 0 8px 18px rgba(165, 36, 49, 0.06);
 }
 
 .error-banner {
     margin-top: 10px;
     padding: 12px 14px;
     border-radius: 10px;
-    background: #fff1f2;
-    border: 1px solid #fecdd3;
-    color: #b91c1c;
+    background: #fcebec;
+    border: 1px solid #f3c6cd;
+    color: var(--accent-strong);
 }
 
 .document-shell {
@@ -137,7 +151,7 @@ canvas {
     border-radius: 10px;
     padding: 8px;
     background: rgba(255, 255, 255, 0.96);
-    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
+    box-shadow: 0 12px 30px rgba(165, 36, 49, 0.15);
     user-select: none;
     touch-action: none;
 }
@@ -163,7 +177,7 @@ canvas {
     border-radius: 8px;
     padding: 6px 10px;
     cursor: pointer;
-    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.15);
+    box-shadow: 0 6px 16px rgba(165, 36, 49, 0.16);
 }
 
 .overlay-input {