added city filter

src/styles/layout.css

@@ -122,6 +122,127 @@
   font-weight: 700;
 }
 
+/* ── City Multiselect ── */
+.f-city-filter-wrap {
+  position: relative; z-index: 20;
+  display: flex; align-items: center;
+  padding: 10px 16px;
+  border-bottom: 1px solid var(--border);
+  background: var(--bg-filter); backdrop-filter: blur(8px);
+}
+
+.f-city-multiselect {
+  position: relative; flex: 1;
+  width: 100%; max-width: 440px; margin: 0 auto;
+}
+
+.f-city-ms-control {
+  display: flex; align-items: center; gap: 8px;
+  background: var(--bg-input);
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  padding: 8px 12px;
+  min-height: 44px;
+  cursor: text;
+  transition: border-color .2s, box-shadow .2s;
+}
+.f-city-ms-control.open {
+  border-color: rgba(var(--teal-rgb), .5);
+  box-shadow: 0 0 0 3px rgba(var(--teal-rgb), .12);
+}
+
+.f-city-ms-icon {
+  width: 18px; height: 18px; flex-shrink: 0; color: var(--muted);
+}
+
+.f-city-ms-tags {
+  display: flex; flex-wrap: wrap; gap: 6px;
+  flex: 1; min-width: 0; align-items: center;
+}
+
+.f-city-ms-tag {
+  display: inline-flex; align-items: center; gap: 4px;
+  background: rgba(var(--teal-rgb), .15);
+  border: 1px solid rgba(var(--teal-rgb), .4);
+  color: var(--teal);
+  border-radius: 999px;
+  padding: 4px 10px;
+  font-size: 0.8rem; font-weight: 600;
+  white-space: nowrap;
+}
+.f-city-ms-tag-remove {
+  background: none; border: none; color: inherit; cursor: pointer;
+  padding: 0; display: flex; align-items: center; line-height: 0;
+  opacity: .7; transition: opacity .15s;
+}
+.f-city-ms-tag-remove:hover { opacity: 1; }
+
+.f-city-ms-input {
+  flex: 1; min-width: 90px;
+  border: none; outline: none; background: transparent;
+  color: var(--text-primary);
+  font-family: var(--font); font-size: 0.9rem;
+  padding: 2px 0;
+}
+.f-city-ms-input::placeholder { color: var(--muted); }
+
+.f-city-ms-clear {
+  background: none; border: none; cursor: pointer;
+  color: var(--muted); padding: 4px; border-radius: 6px;
+  display: flex; align-items: center; justify-content: center;
+  flex-shrink: 0; transition: color .15s, background .15s;
+}
+.f-city-ms-clear:hover { color: var(--text-primary); background: var(--hover-bg); }
+
+.f-city-ms-chevron {
+  width: 16px; height: 16px; flex-shrink: 0; color: var(--muted);
+  transition: transform .2s;
+}
+.f-city-ms-control.open .f-city-ms-chevron { transform: rotate(180deg); }
+
+.f-city-ms-dropdown {
+  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
+  background: var(--bg-surface);
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  box-shadow: 0 12px 32px rgba(0, 0, 0, .4);
+  max-height: 260px; overflow-y: auto;
+  z-index: 30; padding: 6px;
+}
+.f-city-ms-dropdown::-webkit-scrollbar { width: 4px; }
+.f-city-ms-dropdown::-webkit-scrollbar-track { background: transparent; }
+.f-city-ms-dropdown::-webkit-scrollbar-thumb { background: var(--muted2); border-radius: 2px; }
+
+.f-city-ms-option {
+  display: flex; align-items: center; gap: 10px;
+  width: 100%; text-align: left;
+  padding: 9px 10px; border: none; border-radius: 8px;
+  background: none; color: var(--text-primary);
+  font-family: var(--font); font-size: 0.9rem; cursor: pointer;
+  transition: background .15s;
+}
+.f-city-ms-option:hover { background: var(--hover-bg); }
+.f-city-ms-option.selected { color: var(--teal); font-weight: 600; }
+.f-city-ms-option.f-city-ms-add { color: var(--teal); font-weight: 600; }
+
+.f-city-ms-check {
+  width: 18px; height: 18px; flex-shrink: 0;
+  display: flex; align-items: center; justify-content: center;
+  border: 1.5px solid var(--border); border-radius: 5px;
+  font-size: 0.8rem; color: var(--teal);
+}
+.f-city-ms-option.selected .f-city-ms-check {
+  border-color: var(--teal);
+  background: rgba(var(--teal-rgb), .15);
+}
+.f-city-ms-option.f-city-ms-add .f-city-ms-check {
+  border-color: rgba(var(--teal-rgb), .5);
+}
+
+.f-city-ms-empty {
+  padding: 10px; text-align: center; color: var(--muted); font-size: 0.85rem;
+}
+
 /* ── Feed Wrap + Scroll ── */
 .f-wrap { display: flex; flex: 1; overflow: hidden; min-height: 0; }
 
@@ -165,6 +286,12 @@
     padding: 8px 14px;
     font-size: 0.85rem;
   }
+
+  /* Городской фильтр компактнее */
+  .f-city-filter-wrap { padding: 8px 12px; }
+  .f-city-ms-control { padding: 6px 10px; min-height: 40px; }
+  .f-city-ms-input { font-size: 0.85rem; }
+  .f-city-ms-tag { font-size: 0.75rem; padding: 3px 8px; }
 }
 
 @media (max-width: 600px) {