Bezbednost: ispravke kontrole pristupa u admin i handler sloju

web/templates/stranice/klijent_forma.html

@@ -4,13 +4,7 @@
 
 {{define "dodatni-css"}}
 <style>
-    .greska-animacija {
-        animation: shake 0.4s ease;
-    }
-
-    @media (max-width: 768px) {
-        .forma-grid-2 { grid-template-columns: 1fr !important; }
-    }
+    .greska-animacija { animation: shake 0.4s ease; }
 </style>
 {{end}}
 
@@ -18,10 +12,8 @@
 <div style="width:100%;">
 
     <!-- nazad dugme -->
-    <a href="/klijenti"
-        style="display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--tekst-sporedni);text-decoration:none;margin-bottom:20px;transition:color 0.2s;"
-        onmouseover="this.style.color='var(--tekst-glavni)'" onmouseout="this.style.color='var(--tekst-sporedni)'">
-        <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 18 9 12 15 6"/></svg>
+    <a href="/klijenti" class="nazad-link">
+        <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><polyline points="15 18 9 12 15 6"/></svg>
         Nazad na klijente
     </a>
 
@@ -33,10 +25,7 @@
         </div>
 
         {{if .Greska}}
-        <div class="greska-animacija"
-            style="background:var(--kartica);border:0.5px solid #dc2626;border-radius:8px;padding:10px 14px;margin-bottom:16px;font-size:13px;color:#dc2626;">
-            {{.Greska}}
-        </div>
+        <div class="poruka-greska greska-animacija">{{.Greska}}</div>
         {{end}}
 
         <form method="POST" action="{{if .Izmena}}/klijenti/izmeni/{{.Klijent.ID}}{{else}}/klijenti/novi{{end}}">
@@ -120,14 +109,8 @@
 
                 <!-- dugmad -->
                 <div style="display:flex;justify-content:flex-end;gap:10px;margin-top:6px;">
-                    <a href="/klijenti"
-                        style="padding:9px 20px;border:0.5px solid var(--ivica);border-radius:8px;font-size:14px;color:var(--tekst-sporedni);text-decoration:none;transition:background 0.2s;"
-                        onmouseover="this.style.background='var(--pozadina)'" onmouseout="this.style.background=''">
-                        Odustani
-                    </a>
-                    <button type="submit"
-                        style="padding:9px 20px;background:var(--sb-akcent);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:opacity 0.2s;"
-                        onmouseover="this.style.opacity='0.85'" onmouseout="this.style.opacity='1'">
+                    <a href="/klijenti" class="btn-sekundarno">Odustani</a>
+                    <button type="submit" class="btn-primarno">
                         {{if .Izmena}}Sačuvaj izmene{{else}}Dodaj klijenta{{end}}
                     </button>
                 </div>