feat: add advanced Overpass search composer

src/styles.css

@@ -69,7 +69,7 @@ a {
 
 .app-shell {
   display: grid;
-  grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
+  grid-template-columns: minmax(340px, 440px) minmax(0, 1fr);
   min-height: 100vh;
 }
 
@@ -107,12 +107,117 @@ a {
   padding: 0;
 }
 
+.search-section {
+  display: grid;
+  gap: 0.75rem;
+  border-bottom: 1px solid #e1e6df;
+  padding-bottom: 1rem;
+}
+
+.section-heading {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+  gap: 0.75rem;
+}
+
+.section-heading h2 {
+  margin: 0;
+  font-size: 0.98rem;
+  line-height: 1.2;
+}
+
+.section-heading span,
+.field-note {
+  color: #66726a;
+  font-size: 0.82rem;
+  line-height: 1.35;
+}
+
+.field-note {
+  margin: 0;
+}
+
 .custom-fields {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: 0.75rem;
 }
 
+.checkbox-grid {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 0.45rem;
+}
+
+.checkbox-grid label {
+  display: flex;
+  align-items: center;
+  gap: 0.45rem;
+  border: 1px solid #d7ded5;
+  border-radius: 6px;
+  background: #ffffff;
+  min-height: 36px;
+  padding: 0.42rem 0.55rem;
+  font-weight: 560;
+}
+
+.checkbox-grid input {
+  width: auto;
+  min-height: auto;
+}
+
+.active-filter-list {
+  display: grid;
+  gap: 0.45rem;
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.active-filter-list li {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.75rem;
+  border: 1px solid #d7ded5;
+  border-radius: 6px;
+  background: #ffffff;
+  padding: 0.4rem;
+}
+
+.active-filter-list span {
+  min-width: 0;
+  overflow-wrap: anywhere;
+  color: #394840;
+  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
+  font-size: 0.8rem;
+}
+
+.active-filter-list button {
+  min-height: 30px;
+  padding: 0.3rem 0.55rem;
+  font-size: 0.8rem;
+}
+
+.suggestion-row {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.45rem;
+}
+
+.suggestion-row button {
+  min-height: 32px;
+  padding: 0.35rem 0.55rem;
+  font-size: 0.82rem;
+}
+
+.suggestion-active {
+  border-color: #226a5d;
+  background: #e8f3ef;
+  color: #174d44;
+}
+
 .segmented-control {
   display: grid;
   grid-template-columns: 1fr 1fr;
@@ -353,7 +458,8 @@ a {
   }
 
   .custom-fields,
-  .segmented-control {
+  .segmented-control,
+  .checkbox-grid {
     grid-template-columns: 1fr;
   }