新增签到日历筛选

Co-Authored-By: Claude <noreply@anthropic.com>

meshmap_frontend/src/style.css

@@ -1232,6 +1232,98 @@ h3 {
   transform: translateY(-1px);
 }
 
+.signed-calendar-panel {
+  overflow: visible;
+}
+
+.signed-calendar-toolbar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 14px 16px;
+}
+
+.signed-calendar-toolbar strong {
+  color: var(--color-heading);
+  font-size: 18px;
+}
+
+.signed-calendar-grid {
+  display: grid;
+  grid-template-columns: repeat(7, minmax(0, 1fr));
+  gap: 6px;
+  padding: 0 16px 16px;
+}
+
+.signed-calendar-weekday {
+  padding: 8px 4px;
+  color: var(--color-muted);
+  text-align: center;
+  font-size: 12px;
+  font-weight: 700;
+}
+
+.signed-calendar-day {
+  min-height: 74px;
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-sm);
+  padding: 8px;
+  color: var(--color-text);
+  background: var(--color-surface-soft);
+  text-align: left;
+  transition: background-color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
+}
+
+button.signed-calendar-day:not(:disabled):hover {
+  border-color: var(--color-primary);
+  background: var(--color-primary-soft);
+  transform: translateY(-1px);
+}
+
+.signed-calendar-day.empty {
+  border-color: transparent;
+  background: transparent;
+}
+
+.signed-calendar-day.has-signs {
+  border-color: color-mix(in srgb, var(--color-primary) 42%, white);
+  background: var(--color-primary-soft);
+}
+
+.signed-calendar-day.selected {
+  border-color: var(--color-primary);
+  color: #fff;
+  background: var(--color-primary);
+  box-shadow: var(--shadow-sm);
+}
+
+.signed-calendar-date,
+.signed-calendar-count {
+  display: block;
+}
+
+.signed-calendar-date {
+  color: inherit;
+  font-weight: 800;
+}
+
+.signed-calendar-count {
+  margin-top: 8px;
+  font-size: 12px;
+  font-weight: 700;
+}
+
+.signed-filter-info {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 12px 16px;
+  border-top: 1px solid var(--color-border);
+  color: var(--color-muted);
+}
+
 .pagination {
   display: flex;
   align-items: center;
@@ -1427,11 +1519,27 @@ dd {
 
   .pagination,
   .confirm-modal-actions,
-  .admin-session-card {
+  .admin-session-card,
+  .signed-filter-info {
     align-items: stretch;
     flex-direction: column;
   }
 
+  .signed-calendar-toolbar {
+    align-items: stretch;
+    flex-direction: column;
+    text-align: center;
+  }
+
+  .signed-calendar-grid {
+    gap: 4px;
+  }
+
+  .signed-calendar-day {
+    min-height: 56px;
+    padding: 6px;
+  }
+
   .map-container {
     min-height: 360px;
   }