fix: mejorar legibilidad texto en tarjetas shuttle y login sidebar Chrome Android

frontend/src/components/AppHeader.vue

@@ -204,21 +204,8 @@ const handleLogout = () => {
   letter-spacing: 0.05em;
 }
 
+
 /* SIBU SIDEBAR STYLES (SOLID) */
-.sibu-sidebar {
-    position: fixed;
-    top: 0;
-    left: 0;
-    width: 280px;
-    height: 100vh;
-    background: var(--bg-secondary);
-    border-right: 1px solid var(--border-color);
-    z-index: 10000;
-    display: flex;
-    flex-direction: column;
-    box-shadow: 10px 0 30px rgba(0,0,0,0.2);
-    overflow: hidden;
-}
 
 /* SIBU SIDEBAR OPTIMIZED */
 .sibu-sidebar {
@@ -226,13 +213,18 @@ const handleLogout = () => {
     top: 0;
     left: 0;
     width: 280px;
+    /* 100dvh = dynamic viewport height (excluye barra URL de Chrome Android) */
+    /* Fallback para navegadores antiguos: -webkit-fill-available */
     height: 100vh;
+    height: -webkit-fill-available;
+    height: 100dvh;
     background: var(--bg-secondary);
     border-right: 1px solid var(--border-color);
     z-index: 10000;
     display: flex;
     flex-direction: column;
     box-shadow: 10px 0 40px rgba(0,0,0,0.3);
+    overflow: hidden;
 }
 
 .sibu-header-plain {
@@ -365,10 +357,13 @@ const handleLogout = () => {
 }
 
 .sidebar-footer-fixed {
-    padding: 25px 20px;
+    padding: 20px 20px;
+    /* Añadir safe area para iPhone (notch inferior) y Android (barra de navegación) */
+    padding-bottom: calc(20px + env(safe-area-inset-bottom, 0px));
     background: var(--bg-primary);
     border-top: 1px solid var(--border-color);
     margin-top: auto;
+    flex-shrink: 0; /* Nunca se comprime, siempre visible */
 }
 
 .session-btn {

frontend/src/views/TaxiView.vue

@@ -434,13 +434,16 @@ function getShiftLabel(shift: string) {
   display: flex;
   align-items: center;
   gap: 6px;
-  background: rgba(254, 231, 21, 0.1);
-  color: var(--active-color);
+  background: rgba(0, 0, 0, 0.55);
+  color: #FEE715;
   padding: 4px 10px;
   border-radius: 8px;
   font-size: 0.75rem;
   font-weight: 800;
-  border: 1px solid rgba(254, 231, 21, 0.2);
+  border: 1px solid rgba(254, 231, 21, 0.5);
+  backdrop-filter: blur(4px);
+  -webkit-backdrop-filter: blur(4px);
+  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
 }
 
 .price-pill {
@@ -461,12 +464,14 @@ function getShiftLabel(shift: string) {
   gap: 10px;
   font-size: 1rem;
   font-weight: 800;
-  color: var(--text-primary);
+  /* Siempre blanco — se lee sobre el overlay oscuro de la imagen */
+  color: #ffffff;
+  text-shadow: 0 1px 6px rgba(0,0,0,0.7);
   margin-bottom: 12px;
 }
 
 .shuttle-route-compact .material-icons {
-  color: var(--active-color);
+  color: #FEE715;
   font-size: 18px;
 }
 
@@ -478,15 +483,18 @@ function getShiftLabel(shift: string) {
 
 .vehicle-tag-mini {
   padding: 4px 10px;
-  background: var(--bg-secondary);
+  background: rgba(255, 255, 255, 0.15);
+  backdrop-filter: blur(4px);
+  -webkit-backdrop-filter: blur(4px);
   border-radius: 8px;
   font-size: 0.7rem;
   font-weight: 700;
   display: flex;
   align-items: center;
   gap: 6px;
-  color: var(--text-secondary);
-  border: 1px solid var(--border-color);
+  /* Blanco para contraste sobre imagen */
+  color: #ffffff;
+  border: 1px solid rgba(255, 255, 255, 0.25);
 }
 
 .expand-indicator {
@@ -528,7 +536,7 @@ function getShiftLabel(shift: string) {
 
 .info-row .label {
   font-size: 0.7rem;
-  color: var(--text-secondary);
+  color: rgba(255, 255, 255, 0.65);
   margin: 0;
   text-transform: uppercase;
   font-weight: 700;
@@ -536,9 +544,10 @@ function getShiftLabel(shift: string) {
 
 .info-row .value {
   font-size: 0.9rem;
-  color: var(--text-primary);
+  color: #ffffff;
   margin: 2px 0 0;
   font-weight: 600;
+  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
 }
 
 .shuttle-footer {
@@ -663,7 +672,13 @@ function getShiftLabel(shift: string) {
   content: "";
   position: absolute;
   inset: 0;
-  background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.3) 100%);
+  /* Gradiente más fuerte para mejor contraste sobre cualquier imagen */
+  background: linear-gradient(
+    to top,
+    rgba(0,0,0,0.92) 0%,
+    rgba(0,0,0,0.65) 50%,
+    rgba(0,0,0,0.45) 100%
+  );
   z-index: 0;
 }