Poprawka botto bar i wersje językowe

public/assets/css/app.css

@@ -9,6 +9,8 @@
   --success: #4ade80;
   --accent: #f59e0b;
   --radius: 20px;
+  --bottom-nav-height: 64px;
+  --safe-bottom: env(safe-area-inset-bottom, 0px);
 }
 
 * {
@@ -16,13 +18,19 @@
   -webkit-tap-highlight-color: transparent;
 }
 
+html {
+  height: 100%;
+}
+
 body {
   margin: 0;
+  height: 100%;
+  height: 100dvh;
   font-family: 'Plus Jakarta Sans', sans-serif;
   background-color: var(--bg);
   color: var(--text-main);
   line-height: 1.6;
-  overflow-x: hidden;
+  overflow: hidden;
 }
 
 /* --- LOADER SCREEN --- */
@@ -97,20 +105,31 @@ body {
   display: inline-flex;
   align-items: center;
   justify-content: center;
+  width: 44px;
+  height: 34px;
   background: var(--surface, #1e293b);
   border: 1px solid var(--surface-light, #334155);
   color: var(--text-main, #f8fafc);
   border-radius: 10px;
-  padding: 6px 8px;
+  padding: 0;
   cursor: pointer;
   font-family: inherit;
   line-height: 0;
 }
 
-.lang-picker-btn:hover {
+.lang-picker-btn:hover:not(:disabled) {
   border-color: var(--primary, #e2b07e);
 }
 
+.lang-picker-btn:disabled {
+  cursor: wait;
+  opacity: 1;
+}
+
+.lang-picker.is-loading .lang-picker-btn {
+  border-color: rgba(226, 176, 126, 0.55);
+}
+
 .lang-flag-img {
   display: block;
   width: 28px;
@@ -120,6 +139,27 @@ body {
   box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
 }
 
+.lang-picker-spinner {
+  width: 18px;
+  height: 18px;
+  border-radius: 50%;
+  border: 2px solid rgba(226, 176, 126, 0.25);
+  border-top-color: var(--primary, #e2b07e);
+  animation: langSpin 0.65s linear infinite;
+}
+
+@keyframes langSpin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+html.is-lang-loading .app-scroll {
+  pointer-events: none;
+  opacity: 0.72;
+  transition: opacity 0.15s ease;
+}
+
 .lang-picker-menu {
   position: absolute;
   right: 0;
@@ -154,6 +194,11 @@ body {
   background: rgba(226, 176, 126, 0.15);
 }
 
+.lang-picker-option:disabled {
+  opacity: 0.5;
+  cursor: wait;
+}
+
 .header-top {
   display: flex;
   align-items: center;
@@ -341,11 +386,40 @@ body {
   }
 }
 
-/* --- MAIN LAYOUT --- */
-.container {
+/* --- MAIN LAYOUT (flex column: scroll + bottom bar) --- */
+.app-shell {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  height: 100dvh;
   max-width: 500px;
   margin: 0 auto;
-  padding: 24px 16px 100px;
+  background: var(--bg);
+}
+
+.app-scroll {
+  flex: 1 1 auto;
+  min-height: 0;
+  overflow-x: hidden;
+  overflow-y: auto;
+  -webkit-overflow-scrolling: touch;
+  overscroll-behavior: contain;
+}
+
+.container {
+  padding: 24px 16px 28px;
+}
+
+.app-footer {
+  text-align: center;
+  padding: 10px 0 8px;
+  margin-top: 5px;
+}
+
+.app-footer a {
+  font-size: 12px;
+  color: var(--text-muted);
+  text-decoration: none;
 }
 
 header {
@@ -1046,25 +1120,25 @@ header {
 
 /* --- BOTTOM NAVIGATION BAR --- */
 .bottom-nav {
-  position: fixed;
-  bottom: 0;
-  left: 0;
-  right: 0;
-  height: 70px;
-  background: rgba(28, 28, 31, 0.85);
-  backdrop-filter: blur(12px);
-  -webkit-backdrop-filter: blur(12px);
-  border-top: 1px solid rgba(255, 255, 255, 0.05);
+  flex: 0 0 auto;
+  position: relative;
+  z-index: 20;
   display: flex;
   justify-content: space-around;
-  align-items: center;
-  padding: 5px 10px;
-  padding-bottom: env(safe-area-inset-bottom, 5px);
-  z-index: 100;
-  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.3);
+  align-items: stretch;
+  height: calc(var(--bottom-nav-height) + var(--safe-bottom));
+  padding: 0 4px var(--safe-bottom);
+  background: rgba(28, 28, 31, 0.96);
+  border-top: 1px solid rgba(255, 255, 255, 0.05);
+  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.25);
+}
+
+.bottom-nav[hidden] {
+  display: none !important;
 }
 
 .nav-item {
+  position: relative;
   display: flex;
   flex-direction: column;
   align-items: center;
@@ -1073,26 +1147,38 @@ header {
   text-decoration: none;
   font-size: 11px;
   font-weight: 600;
-  gap: 4px;
-  width: 25%;
-  height: 100%;
+  gap: 2px;
+  flex: 1 1 0;
+  min-width: 0;
+  height: var(--bottom-nav-height);
+  padding: 0 2px;
   cursor: pointer;
-  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
   -webkit-tap-highlight-color: transparent;
+  user-select: none;
 }
 
 .nav-icon {
+  display: block;
   font-size: 22px;
-  transition: transform 0.3s;
+  line-height: 1;
   filter: grayscale(1) opacity(0.6);
 }
 
+.nav-label {
+  display: block;
+  max-width: 100%;
+  line-height: 1.15;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  text-align: center;
+}
+
 .nav-item.active {
   color: var(--primary);
 }
 
 .nav-item.active .nav-icon {
-  transform: translateY(-2px) scale(1.1);
   filter: grayscale(0) opacity(1);
 }
 
@@ -1116,20 +1202,31 @@ header {
   opacity: 0.45;
 }
 
-.nav-item.nav-action-pending .nav-label::after {
-  content: " · w toku";
-  font-size: 9px;
-  font-weight: 500;
+.nav-item.nav-action-pending::before {
+  content: "";
+  position: absolute;
+  top: 8px;
+  right: max(8px, calc(50% - 18px));
+  width: 7px;
+  height: 7px;
+  border-radius: 50%;
+  background: var(--accent);
+  box-shadow: 0 0 0 2px rgba(28, 28, 31, 0.9);
 }
 
 .nav-item.nav-locked {
   opacity: 0.48;
-  filter: grayscale(0.35);
 }
 
-.nav-item.nav-locked .nav-label::after {
-  content: " 🔒";
-  font-size: 10px;
+.nav-item.nav-locked::after {
+  content: "🔒";
+  position: absolute;
+  top: 6px;
+  right: max(6px, calc(50% - 20px));
+  font-size: 9px;
+  line-height: 1;
+  pointer-events: none;
+  opacity: 0.9;
 }
 
 .menu-only-banner {
@@ -1164,10 +1261,6 @@ header {
   cursor: pointer;
 }
 
-.nav-item:active .nav-icon {
-  transform: scale(0.9);
-}
-
 /* SPA View switching */
 .view-section {
   display: none;