terms acceptance during login, checkout connection to user account and login process

resources/css/checkout.css

@@ -504,35 +504,12 @@ .bbk-checkout-note {
     font-size: 0.875rem;
 }
 
-/* Contact tabs */
+/* Contact: "logged in as" line, or the guest login prompt */
 
-.bbk-checkout-tabs { display: flex; flex-direction: column; gap: 1rem; }
+.bbk-checkout-logged-in,
+.bbk-checkout-login-prompt { margin: 0; }
 
-.bbk-checkout-tab {
-    display: inline-flex;
-    width: fit-content;
-    margin-right: 0.5rem;
-    padding: 0.5rem 1rem;
-    border: 1px solid var(--bbk-color-border);
-    border-radius: var(--bbk-radius-sm);
-    background: var(--bbk-color-bg);
-    font: inherit;
-    font-weight: 600;
-    color: var(--bbk-color-muted);
-    cursor: pointer;
-    transition: background-color 0.15s ease, color 0.15s ease;
-}
-
-.bbk-checkout-tab[aria-selected="true"] {
-    background: var(--bbk-color-text);
-    border-color: var(--bbk-color-text);
-    color: var(--bbk-color-bg);
-}
-
-.bbk-checkout-tab:focus-visible {
-    outline: 2px solid var(--bbk-color-accent);
-    outline-offset: 2px;
-}
+.bbk-checkout-login-prompt a { color: inherit; font-weight: 600; }
 
 /* Fields */
 
@@ -602,6 +579,12 @@ .bbk-checkbox {
 }
 
 /* For a full-sentence label that can wrap — align the box to the first line. */
+/* "I want an invoice": company/ΑΦΜ only while ticked */
+
+.bbk-invoice { display: flex; flex-direction: column; gap: 1rem; }
+
+.bbk-invoice:not(:has(input[name="wants_invoice"]:checked)) .bbk-invoice-fields { display: none; }
+
 .bbk-checkbox--stacked {
     display: flex;
     align-items: flex-start;
@@ -686,6 +669,8 @@ .bbk-checkout-continue {
     font: inherit;
     font-weight: 600;
     text-align: center;
+    text-decoration: none;
+    box-sizing: border-box;
     cursor: pointer;
     transition: opacity 0.15s ease;
 }
@@ -869,8 +854,3 @@ .bbk-address-lines {
     font-size: 0.875rem;
     color: var(--bbk-color-muted);
 }
-
-.bbk-confirmation-continue {
-    max-width: 280px;
-    text-decoration: none;
-}