diff --git a/src/styles/searchBar.css b/src/styles/searchBar.css
new file mode 100644
index 0000000..5a4c236
--- /dev/null
+++ b/src/styles/searchBar.css
@@ -0,0 +1,160 @@
+:root {
+  --sw-search-bg-dark: rgba(6, 12, 30, 0.96);
+  --sw-search-bg-light: rgba(255, 255, 255, 0.96);
+
+  --sw-search-text-dark: #f9fafb;
+  --sw-search-text-light: #111827;
+
+  --sw-search-placeholder-dark: #6b7280;
+  --sw-search-placeholder-light: #9ca3af;
+
+  --sw-search-ring: rgba(96, 165, 250, 0.65);
+}
+
+/* Conteneur de la barre de recherche au-dessus de la map */
+.sw-search-bar {
+  position: absolute;
+  top: 96px;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 50;
+  width: min(75vw, 520px); /* <<< 75% de l’écran max 520px */
+}
+
+/* Pour les grands écrans on garde le même comportement */
+@media (min-width: 1024px) {
+  .sw-search-bar {
+    width: min(75vw, 520px);
+  }
+}
+
+.sw-search-inner {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  padding: 0.55rem 1.1rem;
+  border-radius: 999px;
+  border: 1px solid rgba(148, 163, 184, 0.25);
+  box-shadow:
+    0 18px 45px rgba(0, 0, 0, 0.75),
+    0 0 0 1px rgba(15, 23, 42, 0.9);
+  backdrop-filter: blur(18px);
+  -webkit-backdrop-filter: blur(18px);
+}
+
+/* Thèmes : dark + blue = texte clair, light = texte foncé */
+html[data-theme="dark"] .sw-search-inner,
+html[data-theme="blue"] .sw-search-inner {
+  background: var(--sw-search-bg-dark);
+  color: var(--sw-search-text-dark);
+}
+
+html[data-theme="light"] .sw-search-inner {
+  background: var(--sw-search-bg-light);
+  color: var(--sw-search-text-light);
+}
+
+/* Input */
+.sw-search-input {
+  flex: 1 1 auto;
+  min-width: 0;
+  border: none;
+  outline: none;
+  background: transparent;
+  font-size: 0.95rem;
+}
+
+/* Couleurs du texte dans l’input suivant le thème */
+html[data-theme="dark"] .sw-search-input,
+html[data-theme="blue"] .sw-search-input {
+  color: var(--sw-search-text-dark);
+}
+
+html[data-theme="light"] .sw-search-input {
+  color: var(--sw-search-text-light);
+}
+
+/* Placeholder suivant le thème */
+html[data-theme="dark"] .sw-search-input::placeholder,
+html[data-theme="blue"] .sw-search-input::placeholder {
+  color: var(--sw-search-placeholder-dark);
+}
+
+html[data-theme="light"] .sw-search-input::placeholder {
+  color: var(--sw-search-placeholder-light);
+}
+
+/* Petit glow au focus */
+.sw-search-inner:focus-within {
+  box-shadow:
+    0 18px 45px rgba(0, 0, 0, 0.85),
+    0 0 0 1px var(--sw-search-ring),
+    0 0 0 6px rgba(37, 99, 235, 0.35);
+}
+
+/* Icône loupe */
+.sw-search-icon {
+  flex: 0 0 auto;
+  font-size: 0.95rem;
+  opacity: 0.8;
+}
+
+/* Résultats (dropdown) */
+.sw-search-results {
+  margin-top: 0.45rem;
+  border-radius: 1rem;
+  overflow: hidden;
+  max-height: 360px;
+  overscroll-behavior: contain;
+  box-shadow:
+    0 18px 45px rgba(0, 0, 0, 0.85),
+    0 0 0 1px rgba(15, 23, 42, 0.9);
+  backdrop-filter: blur(18px);
+  -webkit-backdrop-filter: blur(18px);
+}
+
+/* Couleurs du dropdown par thème */
+html[data-theme="dark"] .sw-search-results,
+html[data-theme="blue"] .sw-search-results {
+  background: rgba(6, 12, 30, 0.98);
+  color: var(--sw-search-text-dark);
+}
+
+html[data-theme="light"] .sw-search-results {
+  background: rgba(255, 255, 255, 0.98);
+  color: var(--sw-search-text-light);
+}
+
+.sw-search-result-item {
+  padding: 0.65rem 0.9rem;
+  font-size: 0.9rem;
+  cursor: pointer;
+  display: flex;
+  flex-direction: column;
+  gap: 0.15rem;
+}
+
+/* Texte des résultats suivant le thème */
+html[data-theme="dark"] .sw-search-result-item-title,
+html[data-theme="blue"] .sw-search-result-item-title {
+  color: var(--sw-search-text-dark);
+}
+
+html[data-theme="light"] .sw-search-result-item-title {
+  color: var(--sw-search-text-light);
+}
+
+.sw-search-result-item-sub {
+  font-size: 0.78rem;
+  opacity: 0.8;
+}
+
+/* Hover/active suivant le thème */
+html[data-theme="dark"] .sw-search-result-item:hover,
+html[data-theme="blue"] .sw-search-result-item:hover {
+  background: rgba(15, 23, 42, 0.9);
+}
+
+html[data-theme="light"] .sw-search-result-item:hover {
+  background: rgba(243, 244, 246, 1);
+}