fix(frontend): simplify race calendar overview

frontend/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "calendar-run-frontend",
-  "version": "0.9.1",
+  "version": "0.9.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "calendar-run-frontend",
-      "version": "0.9.1",
+      "version": "0.9.3",
       "dependencies": {
         "ag-charts-community": "^14.0.0",
         "ag-charts-react": "^14.0.0",

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "calendar-run-frontend",
   "private": true,
-  "version": "0.9.1",
+  "version": "0.9.3",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/pages/DashboardPage.tsx

@@ -192,7 +192,6 @@ export function DashboardPage(): JSX.Element {
       >
         <div className="dashboard-hero__content">
           <p className="dashboard-hero__eyebrow">Календарь сезона</p>
-          <h1 className="dashboard-hero__title">Беговой штаб</h1>
           <p className="dashboard-hero__text">
             Планируйте старты, держите фокус на ближайшей гонке и сравнивайте прогресс по дистанциям.
           </p>

frontend/src/pages/RacesPage.tsx

@@ -145,6 +145,9 @@ export function RacesPage(): JSX.Element {
   const [sortOrder, setSortOrder] = useState<RaceSort>(() => (searchParams.get("sort") as RaceSort | null) ?? "dateAsc");
   const [viewMode, setViewMode] = useState<ViewMode>(() => searchParams.get("view") === "calendar" ? "calendar" : readInitialViewMode());
   const [activeListTab, setActiveListTab] = useState<RaceListTab>("upcoming");
+  const [isFiltersOpen, setIsFiltersOpen] = useState<boolean>(() =>
+    ["year", "month", "status", "dateFrom", "dateTo", "distanceMin", "distanceMax", "q", "sort"].some((key) => searchParams.has(key)),
+  );
 
   const setViewModePersist = useCallback((mode: ViewMode) => {
     setViewMode(mode);
@@ -297,6 +300,17 @@ export function RacesPage(): JSX.Element {
   ]
     .filter(Boolean)
     .join(" ");
+  const activeFilterCount = [
+    viewMode === "list" ? yearFilter : "",
+    monthFilter,
+    statusFilter,
+    searchQuery,
+    dateFrom,
+    dateTo,
+    distanceMin,
+    distanceMax,
+    sortOrder !== "dateAsc" ? sortOrder : "",
+  ].filter(Boolean).length;
 
   if (errorMessage && races.length === 0 && !isLoading) {
     return (
@@ -331,7 +345,14 @@ export function RacesPage(): JSX.Element {
             </button>
           </div>
         </div>
-        <div className="races-hero__filters">
+        <details
+          className="races-hero__filters"
+          open={isFiltersOpen}
+          onToggle={(event) => setIsFiltersOpen(event.currentTarget.open)}
+        >
+          <summary className="races-hero__filters-summary">
+            <span>Фильтры{activeFilterCount > 0 ? ` · ${activeFilterCount} активн.` : ""}</span>
+          </summary>
           <div className="races-filter" role="search" aria-label="Фильтр по дате">
             <label className="races-filter__field">
               <span className="races-filter__label">Год</span>
@@ -409,7 +430,7 @@ export function RacesPage(): JSX.Element {
             <button type="button" className="btn btn--secondary" disabled={filteredRaces.length === 0} onClick={() => downloadTextFile("calendar-run.csv", racesToCsv(filteredRaces), "text/csv;charset=utf-8")}>Скачать CSV</button>
             <button type="button" className="btn btn--secondary" disabled={filteredRaces.length === 0} onClick={() => downloadTextFile("calendar-run.ics", racesToIcs(filteredRaces), "text/calendar;charset=utf-8")}>Скачать календарь</button>
           </div>
-        </div>
+        </details>
       </section>
 
       <div className="races-status" aria-live="polite">

frontend/src/styles/global.css

@@ -1564,8 +1564,46 @@ body {
   backdrop-filter: blur(14px);
 }
 
+.races-hero__filters-summary {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--space-3);
+  color: #ffffff;
+  font-weight: 700;
+  cursor: pointer;
+  list-style: none;
+}
+
+.races-hero__filters-summary::-webkit-details-marker {
+  display: none;
+}
+
+.races-hero__filters-summary::after {
+  content: "+";
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 1.5rem;
+  height: 1.5rem;
+  border: 1px solid rgba(255, 255, 255, 0.42);
+  border-radius: 50%;
+  font-size: 1.15rem;
+  font-weight: 400;
+  line-height: 1;
+}
+
+.races-hero__filters[open] .races-hero__filters-summary::after {
+  content: "−";
+}
+
+.races-hero__filters-summary:focus-visible {
+  outline: 2px solid var(--color-lime);
+  outline-offset: var(--space-1);
+}
+
 .races-hero__filters .races-filter {
-  margin-top: 0;
+  margin-top: var(--space-5);
 }
 
 .races-hero__filters .races-filter__label {