diff --git a/app/globals.css b/app/globals.css
index 2d871a5..256dcf0 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -72,7 +72,17 @@
 
     --sidebar-border: 220 13% 91%;
 
-    --sidebar-ring: 217.2 91.2% 59.8%}
+    --sidebar-ring: 217.2 91.2% 59.8%;
+
+    --header-gradient: linear-gradient(
+      120deg,
+      hsl(220 95% 94% / 0.95) 0%,
+      hsl(232 95% 95% / 0.92) 22%,
+      hsl(246 95% 96% / 0.9) 48%,
+      hsl(260 95% 95% / 0.88) 72%,
+      hsl(214 95% 94% / 0.95) 100%
+    );
+  }
   .dark {
 
     --background: 0 0% 3.9%;
@@ -138,7 +148,17 @@
 
     --sidebar-border: 240 3.7% 15.9%;
 
-    --sidebar-ring: 217.2 91.2% 59.8%}
+    --sidebar-ring: 217.2 91.2% 59.8%;
+
+    --header-gradient: linear-gradient(
+      120deg,
+      hsl(220 45% 12% / 0.9) 0%,
+      hsl(232 45% 14% / 0.88) 22%,
+      hsl(246 45% 15% / 0.86) 48%,
+      hsl(260 45% 14% / 0.86) 72%,
+      hsl(214 45% 12% / 0.9) 100%
+    );
+  }
 }
 
 
@@ -182,3 +202,11 @@
     gap: 1rem;
   }
 }
+
+@layer utilities {
+  .header-gradient {
+    background-image: var(--header-gradient);
+    background-size: 200% 200%;
+    background-position: 50% 0;
+  }
+}
diff --git a/app/proyectos/page.tsx b/app/proyectos/page.tsx
index 2e5018a..93311a9 100644
--- a/app/proyectos/page.tsx
+++ b/app/proyectos/page.tsx
@@ -3,20 +3,23 @@ import { ProjectsTable } from "@/components/projects/projects-table";
 
 export default function ProjectsPage() {
   return (
-    <div className="flex flex-col gap-6 p-6">
-      {/* Header */}
-      <div className="flex flex-col gap-1">
-        <div className="flex items-center gap-2">
-          <FolderKanban className="h-6 w-6 text-primary" />
-          <h1 className="text-2xl font-bold tracking-tight">Proyectos</h1>
+    <div className="flex min-w-0 flex-col gap-6">
+      <header className="header-gradient border-b px-6 py-6">
+        <div className="flex flex-col gap-1">
+          <div className="flex items-center gap-2">
+            <FolderKanban className="h-6 w-6 text-primary" />
+            <h1 className="text-2xl font-bold tracking-tight">Proyectos</h1>
+          </div>
+          <p className="text-muted-foreground">
+            Gestiona y visualiza todos tus proyectos en un solo lugar.
+          </p>
         </div>
-        <p className="text-muted-foreground">
-          Gestiona y visualiza todos tus proyectos en un solo lugar.
-        </p>
-      </div>
+      </header>
 
       {/* Data Table */}
-      <ProjectsTable />
+      <div className="p-6">
+        <ProjectsTable />
+      </div>
     </div>
   );
 }
diff --git a/components/dashboard/dashboard-header.tsx b/components/dashboard/dashboard-header.tsx
index 050f782..1a1534e 100644
--- a/components/dashboard/dashboard-header.tsx
+++ b/components/dashboard/dashboard-header.tsx
@@ -19,7 +19,7 @@ export default function DashboardHeader({
   onCreateProject
 }: DashboardHeaderProps) {
   return (
-    <header className="bg-card border-b">
+    <header className="header-gradient border-b">
       <div className="px-4 sm:px-6 lg:px-8 py-4">
         <div className="flex items-center justify-between">
           <div>
@@ -62,4 +62,4 @@ export default function DashboardHeader({
       </div>
     </header>
   );
-}
\ No newline at end of file
+}
diff --git a/components/gantt/gantt-page.tsx b/components/gantt/gantt-page.tsx
index bf3d443..cfe696d 100644
--- a/components/gantt/gantt-page.tsx
+++ b/components/gantt/gantt-page.tsx
@@ -279,7 +279,7 @@ export default function GanttPage() {
 
   return (
     <div className="min-h-screen bg-background">
-      <section className="border-b bg-gradient-to-r from-blue-50/70 via-background to-violet-50/70 dark:from-blue-950/25 dark:via-background dark:to-violet-950/25">
+      <section className="border-b header-gradient">
         <div className="px-4 sm:px-6 lg:px-8 py-5 space-y-4">
           <div className="flex items-start justify-between gap-4 flex-wrap">
             <div className="flex items-center gap-3">
diff --git a/components/layouts/main-layout.tsx b/components/layouts/main-layout.tsx
index 1561366..1697e0a 100644
--- a/components/layouts/main-layout.tsx
+++ b/components/layouts/main-layout.tsx
@@ -55,7 +55,11 @@ export function MainLayout({ children }: MainLayoutProps) {
       <AppSidebar />
       <SidebarInset>
         <main>
-          <SidebarTrigger />
+          <div className="header-gradient border-b">
+            <div className="flex items-center px-4 py-2">
+              <SidebarTrigger />
+            </div>
+          </div>
           {children}
         </main>
       </SidebarInset>
diff --git a/components/project-detail/project-detail-view.tsx b/components/project-detail/project-detail-view.tsx
index 5823936..794a67e 100644
--- a/components/project-detail/project-detail-view.tsx
+++ b/components/project-detail/project-detail-view.tsx
@@ -185,13 +185,13 @@ export function ProjectDetailView({ project: initialProject }: ProjectDetailView
       />
 
       {/* Contenido principal */}
-      <div className="p-6 space-y-6">
+      <div className="min-w-0 p-6 space-y-6">
         {/* Stats cards */}
         <ProjectStats project={project} taskStats={taskStats} />
 
         {/* Tabs de contenido */}
         <Tabs defaultValue="overview" className="space-y-6">
-          <TabsList>
+          <TabsList className="flex flex-wrap items-center gap-1">
             <TabsTrigger value="overview" className="gap-2">
               <LayoutDashboard className="h-4 w-4" />
               Resumen
diff --git a/components/project-detail/project-header.tsx b/components/project-detail/project-header.tsx
index a2c8ecb..cf368b5 100644
--- a/components/project-detail/project-header.tsx
+++ b/components/project-detail/project-header.tsx
@@ -72,7 +72,7 @@ export function ProjectHeader({ project, tasks = [], onProjectUpdated, onProject
   };
 
   return (
-    <div className="border-b bg-card">
+    <div className="border-b header-gradient">
       <div className="px-6 py-4">
         {/* Navegación */}
         <div className="flex items-center gap-2 text-sm text-muted-foreground mb-4">
@@ -84,8 +84,8 @@ export function ProjectHeader({ project, tasks = [], onProjectUpdated, onProject
         </div>
 
         {/* Header principal */}
-        <div className="flex items-start justify-between gap-4">
-          <div className="flex items-start gap-4">
+        <div className="flex flex-col gap-4 lg:flex-row lg:items-start lg:justify-between">
+          <div className="flex min-w-0 items-start gap-4">
             {/* Avatar */}
             <Avatar className="h-16 w-16 shrink-0">
               <AvatarFallback className="bg-gradient-to-br from-blue-500 to-purple-600 text-white font-semibold text-xl">
@@ -94,13 +94,15 @@ export function ProjectHeader({ project, tasks = [], onProjectUpdated, onProject
             </Avatar>
 
             {/* Info principal */}
-            <div className="space-y-1">
-              <div className="flex items-center gap-3">
-                <h1 className="text-2xl font-bold tracking-tight">{project.name}</h1>
+            <div className="min-w-0 space-y-1">
+              <div className="flex flex-wrap items-center gap-3">
+                <h1 className="text-2xl font-bold tracking-tight break-words">
+                  {project.name}
+                </h1>
                 <ProjectStatusBadge status={project.status} className="text-sm px-3 py-1" />
               </div>
-              
-              <div className="flex items-center gap-4 text-sm text-muted-foreground">
+
+              <div className="flex flex-wrap items-center gap-3 text-sm text-muted-foreground">
                 <button
                   onClick={handleCopyRef}
                   className="flex items-center gap-1.5 hover:text-foreground transition-colors font-mono"
@@ -109,19 +111,16 @@ export function ProjectHeader({ project, tasks = [], onProjectUpdated, onProject
                   {project.ref}
                   <Copy className="h-3.5 w-3.5" />
                 </button>
-                
+
                 {project.client !== "Sin cliente" && (
-                  <>
-                    <span className="text-muted-foreground/50">|</span>
-                    <span>{project.client}</span>
-                  </>
+                  <span>{project.client}</span>
                 )}
               </div>
             </div>
           </div>
 
           {/* Acciones */}
-          <div className="flex items-center gap-2">
+          <div className="flex flex-wrap items-center gap-2">
             <Button variant="outline" size="sm" onClick={handleExportPDF}>
               <Download className="h-4 w-4 mr-2" />
               Exportar PDF
diff --git a/components/project-detail/project-task-gantt.tsx b/components/project-detail/project-task-gantt.tsx
index 96b1944..20a263e 100644
--- a/components/project-detail/project-task-gantt.tsx
+++ b/components/project-detail/project-task-gantt.tsx
@@ -195,8 +195,9 @@ export function ProjectTaskGantt({ tasks }: ProjectTaskGanttProps) {
 
   const maxTimelineWidth = Math.max(320, fitTimelineWidth);
   const baseTickWidth = zoom === "fit" ? 72 : zoom === "week" ? 84 : 36;
-  const tickWidth = Math.min(baseTickWidth, maxTimelineWidth / Math.max(1, ticks.length));
-  const timelineWidth = Math.max(320, ticks.length * tickWidth);
+  const rawTimelineWidth = ticks.length * baseTickWidth;
+  const timelineWidth = Math.max(320, Math.min(maxTimelineWidth, rawTimelineWidth));
+  const tickWidth = timelineWidth / Math.max(1, ticks.length);
 
   const today = startOfDay(new Date());
   const showToday = today >= visibleStart && today <= visibleEnd;
diff --git a/components/project-detail/tasks-section.tsx b/components/project-detail/tasks-section.tsx
index 6856df0..8474661 100644
--- a/components/project-detail/tasks-section.tsx
+++ b/components/project-detail/tasks-section.tsx
@@ -254,7 +254,7 @@ export function TasksSection({ tasks, projectId, isLoading, onTaskCreated, onTas
   }
 
   return (
-    <div className="space-y-4">
+    <div className="min-w-0 space-y-4">
       {/* Stats rápidos */}
       <div className="flex flex-wrap items-center gap-4 text-sm">
         <div className="flex items-center gap-2">
@@ -282,10 +282,10 @@ export function TasksSection({ tasks, projectId, isLoading, onTaskCreated, onTas
       </div>
 
       {/* Toolbar */}
-      <div className="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
-        <div className="flex flex-1 items-center gap-2">
+      <div className="flex flex-col gap-4 xl:flex-row xl:items-center xl:justify-between">
+        <div className="flex flex-1 flex-wrap items-center gap-2">
           {/* Búsqueda */}
-          <div className="relative w-full sm:w-[250px]">
+          <div className="relative w-full sm:w-[240px]">
             <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
             <Input
               placeholder="Buscar tareas..."
@@ -297,7 +297,7 @@ export function TasksSection({ tasks, projectId, isLoading, onTaskCreated, onTas
 
           {/* Filtro estado */}
           <Select value={statusFilter} onValueChange={setStatusFilter}>
-            <SelectTrigger className="w-[130px] h-9">
+            <SelectTrigger className="w-full sm:w-[130px] h-9">
               <SelectValue placeholder="Estado" />
             </SelectTrigger>
             <SelectContent>
@@ -310,7 +310,7 @@ export function TasksSection({ tasks, projectId, isLoading, onTaskCreated, onTas
 
           {/* Filtro prioridad */}
           <Select value={priorityFilter} onValueChange={setPriorityFilter}>
-            <SelectTrigger className="w-[130px] h-9">
+            <SelectTrigger className="w-full sm:w-[130px] h-9">
               <SelectValue placeholder="Prioridad" />
             </SelectTrigger>
             <SelectContent>
@@ -331,7 +331,7 @@ export function TasksSection({ tasks, projectId, isLoading, onTaskCreated, onTas
           )}
         </div>
 
-        <div className="flex items-center gap-2">
+        <div className="flex flex-wrap items-center gap-2">
           {/* Toggle vista */}
           <div className="flex items-center border rounded-md">
             <Button
diff --git a/components/projects/data-table-toolbar.tsx b/components/projects/data-table-toolbar.tsx
index 079ff0b..e0e6afc 100644
--- a/components/projects/data-table-toolbar.tsx
+++ b/components/projects/data-table-toolbar.tsx
@@ -76,10 +76,10 @@ export function DataTableToolbar({
   };
 
   return (
-    <div className="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
-      <div className="flex flex-1 items-center gap-2">
+    <div className="flex flex-col gap-4 xl:flex-row xl:items-center xl:justify-between">
+      <div className="flex flex-1 flex-wrap items-center gap-2">
         {/* Búsqueda */}
-        <div className="relative w-full sm:w-[300px]">
+        <div className="relative w-full sm:w-[260px]">
           <Search className="absolute left-2.5 top-2.5 h-4 w-4 text-muted-foreground" />
           <Input
             placeholder="Buscar proyectos..."
@@ -91,7 +91,7 @@ export function DataTableToolbar({
 
         {/* Filtro por estado */}
         <Select value={statusFilter} onValueChange={onStatusFilterChange}>
-          <SelectTrigger className="w-[150px]">
+          <SelectTrigger className="w-full sm:w-[150px]">
             <SelectValue placeholder="Estado" />
           </SelectTrigger>
           <SelectContent>
@@ -119,7 +119,7 @@ export function DataTableToolbar({
         )}
       </div>
 
-      <div className="flex items-center gap-2">
+      <div className="flex flex-wrap items-center gap-2">
         {/* Contador de seleccionados */}
         {selectedCount > 0 && (
           <Badge variant="secondary" className="rounded-sm px-2 font-normal">
@@ -136,7 +136,7 @@ export function DataTableToolbar({
                 Vista
               </Button>
             </DropdownMenuTrigger>
-            <DropdownMenuContent align="end" className="w-[180px]">
+            <DropdownMenuContent align="end" className="w-[200px]">
               <DropdownMenuLabel>Columnas visibles</DropdownMenuLabel>
               <DropdownMenuSeparator />
               {columns
@@ -158,9 +158,9 @@ export function DataTableToolbar({
         )}
 
         {/* Exportar */}
-        <Button 
-          variant="outline" 
-          size="sm" 
+        <Button
+          variant="outline"
+          size="sm"
           className="h-9"
           onClick={handleExport}
           disabled={!onExport}
diff --git a/components/projects/data-table.tsx b/components/projects/data-table.tsx
index a9a0396..34a68d3 100644
--- a/components/projects/data-table.tsx
+++ b/components/projects/data-table.tsx
@@ -120,9 +120,9 @@ export function DataTable<TData, TValue>({
   }, [searchKey, searchValue, table]);
 
   return (
-    <div className="space-y-4">
+    <div className="min-w-0 space-y-4">
       {/* Tabla */}
-      <div className="rounded-md border">
+      <div className="min-w-0 rounded-md border">
         <Table>
           <TableHeader>
             {table.getHeaderGroups().map((headerGroup) => (
diff --git a/components/projects/projects-table.tsx b/components/projects/projects-table.tsx
index 8405f1c..bbe6a13 100644
--- a/components/projects/projects-table.tsx
+++ b/components/projects/projects-table.tsx
@@ -180,7 +180,7 @@ export function ProjectsTable() {
 
   return (
     <div className="space-y-4">
-      <div className="flex items-center justify-between">
+      <div className="flex flex-col gap-3 lg:flex-row lg:items-center lg:justify-between">
         <DataTableToolbar
           searchValue={searchValue}
           onSearchChange={setSearchValue}
@@ -193,7 +193,7 @@ export function ProjectsTable() {
           getSelectedProjects={tableInfo?.getSelectedRows}
           getAllVisibleProjects={tableInfo?.getAllVisibleRows}
         />
-        <Button onClick={() => setIsCreateSheetOpen(true)} size="sm">
+        <Button onClick={() => setIsCreateSheetOpen(true)} size="sm" className="shrink-0">
           <Plus className="h-4 w-4 mr-2" />
           Nuevo proyecto
         </Button>
diff --git a/components/statistics/statistics-page.tsx b/components/statistics/statistics-page.tsx
index 425d458..c0a1e59 100644
--- a/components/statistics/statistics-page.tsx
+++ b/components/statistics/statistics-page.tsx
@@ -1058,7 +1058,7 @@ export default function StatisticsPage() {
 
   return (
     <div className="min-h-screen bg-background">
-      <header className="bg-card border-b sticky top-0 z-10">
+      <header className="header-gradient border-b sticky top-0 z-10">
         <div className="px-6 py-6">
           <div className="flex items-center gap-3">
             <div className="p-2 bg-gradient-to-r from-blue-500 to-purple-600 rounded-lg">
diff --git a/components/task-detail/task-header.tsx b/components/task-detail/task-header.tsx
index 08b5127..b07e39d 100644
--- a/components/task-detail/task-header.tsx
+++ b/components/task-detail/task-header.tsx
@@ -89,7 +89,7 @@ export function TaskHeader({ task, project, onTaskUpdated, onTaskDeleted }: Task
   };
 
   return (
-    <div className="border-b bg-card">
+    <div className="border-b header-gradient">
       <div className="px-6 py-4">
         {/* Breadcrumb */}
         <nav className="flex items-center gap-2 text-sm text-muted-foreground mb-4">
diff --git a/lib/authService.ts b/lib/authService.ts
index 1f459c9..440606a 100644
--- a/lib/authService.ts
+++ b/lib/authService.ts
@@ -40,15 +40,17 @@ const AUTH_USER_KEY = "dolibarr_auth_user";
  * Obtiene la URL base de la API de Dolibarr
  */
 function getApiUrl(): string {
-  // Intentar obtener del entorno (cliente usa NEXT_PUBLIC_)
-  const url = typeof window !== "undefined" 
-    ? process.env.NEXT_PUBLIC_API_URL 
-    : process.env.DOLIBARR_API_URL || process.env.NEXT_PUBLIC_API_URL;
-  
+  // En cliente, usar proxy para evitar problemas de red/CORS
+  if (typeof window !== "undefined") {
+    return "/api/dolibarr";
+  }
+
+  const url = process.env.DOLIBARR_API_URL || process.env.NEXT_PUBLIC_API_URL;
+
   if (!url) {
     throw new Error("API URL not configured");
   }
-  
+
   return url;
 }