Logo für Webseiten-Tab implementiert

frontend/css/pwa.css

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+/**
+ * PWA Styles
+ * ==========
+ */
+
+/* Install Button */
+.install-button {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  margin-right: 1rem;
+  font-size: 0.875rem;
+}
+
+.install-button svg {
+  width: 16px;
+  height: 16px;
+}
+
+/* Install Banner */
+.pwa-install-banner {
+  position: fixed;
+  bottom: -100%;
+  left: 0;
+  right: 0;
+  background: var(--bg-primary);
+  border-top: 1px solid var(--border-color);
+  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
+  transition: bottom 0.3s ease;
+  z-index: 1000;
+}
+
+.pwa-install-banner.show {
+  bottom: 0;
+}
+
+.install-banner-content {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+  padding: 1.5rem;
+  max-width: 600px;
+  margin: 0 auto;
+  position: relative;
+}
+
+.install-banner-icon {
+  flex-shrink: 0;
+  color: var(--primary-color);
+}
+
+.install-banner-text h3 {
+  margin: 0 0 0.25rem 0;
+  font-size: 1.125rem;
+  font-weight: 600;
+}
+
+.install-banner-text p {
+  margin: 0;
+  color: var(--text-secondary);
+  font-size: 0.875rem;
+}
+
+.install-banner-actions {
+  display: flex;
+  gap: 0.75rem;
+  margin-left: auto;
+}
+
+.install-banner-close {
+  position: absolute;
+  top: 0.5rem;
+  right: 0.5rem;
+  background: none;
+  border: none;
+  font-size: 1.5rem;
+  line-height: 1;
+  color: var(--text-secondary);
+  cursor: pointer;
+  padding: 0.5rem;
+  opacity: 0.6;
+}
+
+.install-banner-close:hover {
+  opacity: 1;
+}
+
+/* iOS Install Instructions */
+.ios-install-instructions {
+  position: fixed;
+  bottom: -100%;
+  left: 0;
+  right: 0;
+  background: var(--bg-primary);
+  border-top: 1px solid var(--border-color);
+  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
+  transition: bottom 0.3s ease;
+  z-index: 1000;
+  text-align: center;
+  padding: 2rem;
+}
+
+.ios-install-instructions.show {
+  bottom: 0;
+}
+
+.ios-install-content h3 {
+  margin: 0 0 1rem 0;
+  font-size: 1.25rem;
+  font-weight: 600;
+}
+
+.ios-install-content p {
+  margin: 0 0 1.5rem 0;
+  color: var(--text-secondary);
+}
+
+.ios-share-icon {
+  display: inline-block;
+  background: var(--bg-secondary);
+  padding: 0.25rem 0.5rem;
+  border-radius: 4px;
+  font-weight: bold;
+}
+
+/* Offline indicator enhancement */
+body.offline {
+  position: relative;
+}
+
+body.offline::before {
+  content: '';
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.05);
+  pointer-events: none;
+  z-index: 9999;
+}
+
+/* Mobile responsive */
+@media (max-width: 768px) {
+  .install-button span {
+    display: none;
+  }
+  
+  .install-banner-content {
+    flex-direction: column;
+    text-align: center;
+  }
+  
+  .install-banner-actions {
+    margin-left: 0;
+    width: 100%;
+  }
+  
+  .install-banner-actions button {
+    flex: 1;
+  }
+  
+  .install-banner-close {
+    top: 1rem;
+    right: 1rem;
+  }
+}
+
+/* Standalone mode adjustments */
+@media (display-mode: standalone) {
+  /* Adjust for missing browser chrome */
+  .header {
+    padding-top: env(safe-area-inset-top);
+  }
+  
+  .main-content {
+    padding-bottom: env(safe-area-inset-bottom);
+  }
+}