Implement AC Nautik PDF Export, E2E Encrypted Photos, and Background GPS Route Tracking

client/src/App.css

@@ -659,6 +659,32 @@ body {
   background: rgba(244, 63, 94, 0.1);
 }
 
+.btn-pdf {
+  background: none;
+  border: none;
+  color: #64748b;
+  cursor: pointer;
+  padding: 6px;
+  border-radius: 6px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  opacity: 0;
+  transition: all 0.2s ease;
+  position: absolute;
+  top: 12px;
+  right: 44px;
+}
+
+.logbook-card:hover .btn-pdf {
+  opacity: 1;
+}
+
+.btn-pdf:hover {
+  color: #38bdf8;
+  background: rgba(56, 189, 248, 0.1);
+}
+
 /* Active Logbook App Layout */
 .app-layout {
   width: 100%;
@@ -1359,3 +1385,81 @@ body:has(.theme-cupertino) {
   background: linear-gradient(90deg, #0a84ff, #007aff, #0a84ff) !important;
 }
 
+
+/* Photo Attachments Styling */
+.photo-attachments-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
+  gap: 16px;
+  width: 100%;
+}
+
+.photo-card {
+  position: relative;
+  border-radius: 12px;
+  overflow: hidden;
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  background: rgba(15, 23, 42, 0.4);
+  backdrop-filter: blur(10px);
+  -webkit-backdrop-filter: blur(10px);
+  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
+  display: flex;
+  flex-direction: column;
+}
+
+.photo-card:hover {
+  transform: translateY(-2px) scale(1.02);
+  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
+  border-color: rgba(212, 175, 55, 0.3);
+}
+
+.photo-container {
+  position: relative;
+  width: 100%;
+  aspect-ratio: 16 / 9;
+  background: #0b0c10;
+  overflow: hidden;
+}
+
+.photo-container img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  display: block;
+}
+
+.photo-btn-delete {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  background: rgba(15, 23, 42, 0.7);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  color: #f43f5e;
+  border-radius: 50%;
+  width: 32px;
+  height: 32px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.photo-btn-delete:hover {
+  background: #f43f5e;
+  color: #ffffff;
+  transform: scale(1.1);
+}
+
+.photo-caption-bar {
+  padding: 10px 12px;
+  background: rgba(15, 23, 42, 0.55);
+  font-size: 13px;
+  color: #e2e8f0;
+  border-top: 1px solid rgba(255, 255, 255, 0.05);
+  text-align: center;
+  font-weight: 500;
+  text-overflow: ellipsis;
+  overflow: hidden;
+  white-space: nowrap;
+}