Release version 1.0.1

- Add Twig template engine integration
- Migrate all templates to Twig format
- Add German (Switzerland, Informal) translation
- Improve template organization and security
- Add Composer dependency management
- Create comprehensive changelog

assets/css/frontend.css

@@ -0,0 +1,173 @@
+/**
+ * Frontend styles for WooCommerce Tier and Package Prices
+ */
+
+.wc-tpp-pricing-container {
+    margin: 20px 0;
+    padding: 20px;
+    background: #f9f9f9;
+    border: 1px solid #e0e0e0;
+    border-radius: 8px;
+}
+
+.wc-tpp-tier-pricing-table,
+.wc-tpp-package-pricing-table {
+    margin-bottom: 30px;
+}
+
+.wc-tpp-tier-pricing-table:last-child,
+.wc-tpp-package-pricing-table:last-child {
+    margin-bottom: 0;
+}
+
+.wc-tpp-tier-pricing-table h3,
+.wc-tpp-package-pricing-table h3 {
+    margin: 0 0 15px 0;
+    font-size: 1.2em;
+    color: #333;
+}
+
+/* Tier pricing table */
+.wc-tpp-table {
+    width: 100%;
+    border-collapse: collapse;
+    background: #fff;
+    border-radius: 4px;
+    overflow: hidden;
+}
+
+.wc-tpp-table thead {
+    background: #333;
+    color: #fff;
+}
+
+.wc-tpp-table th {
+    padding: 12px;
+    text-align: left;
+    font-weight: 600;
+    font-size: 0.9em;
+}
+
+.wc-tpp-table tbody tr {
+    border-bottom: 1px solid #e0e0e0;
+    transition: background-color 0.2s;
+}
+
+.wc-tpp-table tbody tr:hover {
+    background: #f5f5f5;
+}
+
+.wc-tpp-table tbody tr.wc-tpp-active-tier {
+    background: #e7f3e7;
+    font-weight: 600;
+}
+
+.wc-tpp-table td {
+    padding: 12px;
+    font-size: 0.95em;
+}
+
+/* Package pricing */
+.wc-tpp-packages {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+    gap: 15px;
+}
+
+.wc-tpp-package {
+    background: #fff;
+    border: 2px solid #e0e0e0;
+    border-radius: 8px;
+    padding: 20px;
+    text-align: center;
+    transition: all 0.3s;
+    cursor: pointer;
+}
+
+.wc-tpp-package:hover {
+    border-color: #333;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+    transform: translateY(-2px);
+}
+
+.wc-tpp-package.wc-tpp-selected {
+    border-color: #4CAF50;
+    background: #f0f8f0;
+}
+
+.wc-tpp-package-header h4 {
+    margin: 0 0 15px 0;
+    font-size: 1.1em;
+    color: #333;
+}
+
+.wc-tpp-package-details {
+    margin-bottom: 15px;
+}
+
+.wc-tpp-package-qty {
+    font-size: 1.4em;
+    margin-bottom: 10px;
+}
+
+.wc-tpp-package-qty strong {
+    color: #333;
+}
+
+.wc-tpp-package-price {
+    font-size: 1.6em;
+    font-weight: 700;
+    color: #4CAF50;
+    margin-bottom: 5px;
+}
+
+.wc-tpp-package-unit-price {
+    font-size: 0.85em;
+    color: #666;
+}
+
+.wc-tpp-select-package {
+    width: 100%;
+    padding: 10px 20px;
+    background: #333;
+    color: #fff;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 0.95em;
+    transition: background 0.3s;
+}
+
+.wc-tpp-select-package:hover {
+    background: #555;
+}
+
+.wc-tpp-package.wc-tpp-selected .wc-tpp-select-package {
+    background: #4CAF50;
+}
+
+.wc-tpp-package.wc-tpp-selected .wc-tpp-select-package:hover {
+    background: #45a049;
+}
+
+/* Cart notices */
+.wc-tpp-notice {
+    color: #4CAF50;
+    font-style: italic;
+}
+
+/* Responsive design */
+@media (max-width: 768px) {
+    .wc-tpp-packages {
+        grid-template-columns: 1fr;
+    }
+
+    .wc-tpp-table {
+        font-size: 0.9em;
+    }
+
+    .wc-tpp-table th,
+    .wc-tpp-table td {
+        padding: 8px;
+    }
+}