diff --git a/app/(dashboard)/analytics/analytics-client.tsx b/app/(dashboard)/analytics/analytics-client.tsx
index 446d88b..fb772d7 100644
--- a/app/(dashboard)/analytics/analytics-client.tsx
+++ b/app/(dashboard)/analytics/analytics-client.tsx
@@ -48,9 +48,6 @@ export function AnalyticsClient({ data }: AnalyticsClientProps) {
           <h1 className="text-3xl font-semibold tracking-normal text-foreground">
             Performans ve Finans Analizi
           </h1>
-          <p className="mt-1 max-w-2xl text-sm text-muted-foreground">
-            Müşteri bazlı gelirler, görev tamamlama oranları ve proje ilerleme grafikleri.
-          </p>
         </div>
 
         <div className="flex items-center gap-3">
diff --git a/app/(dashboard)/calendar/calendar-client.tsx b/app/(dashboard)/calendar/calendar-client.tsx
index c8e5d26..a2bab19 100644
--- a/app/(dashboard)/calendar/calendar-client.tsx
+++ b/app/(dashboard)/calendar/calendar-client.tsx
@@ -91,9 +91,6 @@ export function CalendarClient({ events, clients, projects, tasks }: CalendarCli
       <div className="flex flex-col gap-4 border-b border-border pb-5 lg:flex-row lg:items-end lg:justify-between">
         <div>
           <h1 className="text-3xl font-semibold tracking-normal text-foreground">Takvim</h1>
-          <p className="mt-1 max-w-2xl text-sm text-muted-foreground">
-            Toplantı, odak bloğu, deadline, kişisel ve finans etkinliklerini yönet.
-          </p>
         </div>
 
         <CalendarEventDialog
@@ -116,13 +113,13 @@ export function CalendarClient({ events, clients, projects, tasks }: CalendarCli
                 <p className="text-sm text-muted-foreground">{events.length} etkinlik</p>
               </div>
               <div className="flex gap-2">
-                <Button type="button" variant="outline" onClick={() => shiftMonth(-1)}>
+                <Button effect="shine" type="button" variant="secondary" onClick={() => shiftMonth(-1)}>
                   Önceki
                 </Button>
-                <Button type="button" variant="outline" onClick={() => setMonthDate(new Date())}>
+                <Button effect="shine" type="button" variant="secondary" onClick={() => setMonthDate(new Date())}>
                   Bugün
                 </Button>
-                <Button type="button" variant="outline" onClick={() => shiftMonth(1)}>
+                <Button effect="shine" type="button" variant="secondary" onClick={() => shiftMonth(1)}>
                   Sonraki
                 </Button>
               </div>
@@ -143,13 +140,15 @@ export function CalendarClient({ events, clients, projects, tasks }: CalendarCli
                 const isSelected = selectedDate === day.key;
 
                 return (
-                  <button
+                  <Button effect="shine"
                     key={day.key}
                     type="button"
+                    variant={isSelected ? "default" : "secondary"}
                     onClick={() => setSelectedDate(day.key)}
-                    className={`min-h-28 border-b border-r border-border p-2 text-left transition-colors last:border-r-0 hover:bg-muted/40 ${
-                      !day.inMonth ? "bg-muted/20 text-muted-foreground" : "bg-background"
-                    } ${isSelected ? "ring-2 ring-inset ring-primary" : ""}`}
+                    radius="none"
+                    className={`min-h-28 w-full justify-start whitespace-normal border-b border-r p-2 text-left last:border-r-0 ${
+                      !day.inMonth ? "opacity-60" : ""
+                    }`}
                   >
                     <div className="mb-2 flex items-center justify-between">
                       <span className="text-sm font-medium">{day.date.getDate()}</span>
@@ -167,7 +166,7 @@ export function CalendarClient({ events, clients, projects, tasks }: CalendarCli
                         <div className="text-xs text-muted-foreground">+{dayEvents.length - 3}</div>
                       ) : null}
                     </div>
-                  </button>
+                  </Button>
                 );
               })}
                 </div>
@@ -251,7 +250,7 @@ function EventList({
               <CalendarEventDialog mode="edit" event={event} clients={clients} projects={projects} tasks={tasks} />
               <form action={deleteCalendarEventRecord}>
                 <input type="hidden" name="id" value={event.id} />
-                <Button type="submit" variant="outline" className="h-9 gap-2 text-rose-600">
+                <Button effect="shine" type="submit" variant="secondary" className="gap-2 text-rose-600">
                   <Trash2 className="h-4 w-4" />
                   Sil
                 </Button>
@@ -303,7 +302,7 @@ function CalendarEventDialog({
   return (
     <Dialog open={open} onOpenChange={setOpen}>
       <DialogTrigger asChild>
-        <Button className="h-9 gap-2" variant={mode === "create" ? "default" : "outline"}>
+        <Button effect="shine" className="gap-2" variant={mode === "create" ? "default" : "secondary"}>
           {mode === "create" ? <Plus className="h-4 w-4" /> : <Pencil className="h-4 w-4" />}
           {mode === "create" ? "Etkinlik ekle" : "Düzenle"}
         </Button>
@@ -321,7 +320,7 @@ function CalendarEventDialog({
           </div>
 
           <DialogFooter className="shrink-0 border-t border-border bg-background p-5">
-            <Button type="submit" disabled={isSubmitting} className="w-full gap-2 sm:w-auto">
+            <Button variant="default" effect="shine" type="submit" disabled={isSubmitting} className="w-full gap-2 sm:w-auto">
               {mode === "create" ? <Plus className="h-4 w-4" /> : <Pencil className="h-4 w-4" />}
               {isSubmitting ? "Kaydediliyor" : mode === "create" ? "Etkinliği ekle" : "Değişiklikleri kaydet"}
             </Button>
diff --git a/app/(dashboard)/dashboard-client.tsx b/app/(dashboard)/dashboard-client.tsx
index 896c3b1..9d2470c 100644
--- a/app/(dashboard)/dashboard-client.tsx
+++ b/app/(dashboard)/dashboard-client.tsx
@@ -69,9 +69,6 @@ export function DashboardClient({ data }: DashboardClientProps) {
           <h1 className="text-3xl font-semibold tracking-normal text-foreground">
             Dashboard
           </h1>
-          <p className="mt-1 max-w-2xl text-sm text-muted-foreground">
-            İş performansını, gelirlerini ve günlük durumunu takip et.
-          </p>
         </div>
 
         <div className="flex items-center gap-3">
diff --git a/app/(dashboard)/finance/finance-client.tsx b/app/(dashboard)/finance/finance-client.tsx
index 93e35d5..80b9102 100644
--- a/app/(dashboard)/finance/finance-client.tsx
+++ b/app/(dashboard)/finance/finance-client.tsx
@@ -148,9 +148,6 @@ export function FinanceClient({ transactions, clients, projects }: FinanceClient
           <h1 className="text-3xl font-semibold tracking-normal text-foreground">
             Finans işlemleri
           </h1>
-          <p className="mt-1 max-w-2xl text-sm text-muted-foreground">
-            Gelir, gider, ödeme durumu ve proje/müşteri bağlantılarını takip et.
-          </p>
         </div>
         <div className="flex gap-2">
           <AIFinanceDialog />
@@ -170,20 +167,20 @@ export function FinanceClient({ transactions, clients, projects }: FinanceClient
           </div>
           <div className="flex shrink-0 gap-2">
             <Button
+              effect="shine"
               type="button"
-              variant="outline"
+              variant="secondary"
               size="icon"
-              className="h-9 w-9"
               aria-label="Önceki finans özet kartları"
               onClick={() => scrollSummary(-1)}
             >
               <ChevronLeft className="h-4 w-4" />
             </Button>
             <Button
+              effect="shine"
               type="button"
-              variant="outline"
+              variant="secondary"
               size="icon"
-              className="h-9 w-9"
               aria-label="Sonraki finans özet kartları"
               onClick={() => scrollSummary(1)}
             >
@@ -207,7 +204,7 @@ export function FinanceClient({ transactions, clients, projects }: FinanceClient
               scrollSummary(1);
             }
           }}
-          className="tiny-scrollbar flex snap-x snap-mandatory gap-3 overflow-x-auto scroll-smooth pb-3 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2"
+          className="flex snap-x snap-mandatory gap-3 overflow-x-auto scroll-smooth pb-3 [scrollbar-width:none] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 [&::-webkit-scrollbar]:hidden"
         >
           {summaryCards.map((card) => (
             <StatCard
@@ -350,7 +347,7 @@ function TransactionRow({
         <FinanceDialog mode="edit" transaction={transaction} clients={clients} projects={projects} />
         <form action={deleteFinanceTransactionRecord}>
           <input type="hidden" name="id" value={transaction.id} />
-          <Button type="submit" variant="outline" className="h-9 gap-2 text-rose-600">
+          <Button effect="shine" type="submit" variant="secondary" className="gap-2 text-rose-600">
             <Trash2 className="h-4 w-4" />
             Sil
           </Button>
@@ -395,7 +392,7 @@ function FinanceDialog({
   return (
     <Dialog open={open} onOpenChange={setOpen}>
       <DialogTrigger asChild>
-        <Button variant={mode === "create" ? "default" : "outline"} className="h-9 gap-2">
+        <Button effect="shine" variant={mode === "create" ? "default" : "secondary"} className="gap-2">
           {mode === "create" ? <Plus className="h-4 w-4" /> : <Pencil className="h-4 w-4" />}
           {mode === "create" ? "İşlem ekle" : "Düzenle"}
         </Button>
@@ -411,7 +408,7 @@ function FinanceDialog({
             <FinanceFormFields transaction={transaction} clients={clients} projects={projects} />
           </div>
           <DialogFooter className="shrink-0 border-t border-border bg-background p-5">
-            <Button type="submit" disabled={isSubmitting} className="w-full gap-2 sm:w-auto">
+            <Button variant="default" effect="shine" type="submit" disabled={isSubmitting} className="w-full gap-2 sm:w-auto">
               {mode === "create" ? <Plus className="h-4 w-4" /> : <Pencil className="h-4 w-4" />}
               {isSubmitting ? "Kaydediliyor" : mode === "create" ? "İşlemi ekle" : "Değişiklikleri kaydet"}
             </Button>
@@ -657,7 +654,7 @@ function AIFinanceDialog() {
   return (
     <Dialog open={open} onOpenChange={setOpen}>
       <DialogTrigger asChild>
-        <Button variant="outline" className="gap-2 bg-indigo-50 text-indigo-700 border-indigo-200 hover:bg-indigo-100 hover:text-indigo-800">
+        <Button effect="shine" variant="secondary" className="gap-2">
           <Brain className="h-4 w-4" />
           AI Analizi
         </Button>
@@ -676,7 +673,7 @@ function AIFinanceDialog() {
         <div className="py-4">
           {!result && !loading && (
             <div className="text-center py-10">
-              <Button onClick={handleAnalyze} className="gap-2 bg-indigo-600 hover:bg-indigo-700 text-white">
+              <Button variant="default" effect="shine" onClick={handleAnalyze} className="gap-2">
                 <Brain className="h-4 w-4" />
                 Raporu Oluştur
               </Button>
@@ -699,8 +696,8 @@ function AIFinanceDialog() {
 
         {result && (
           <DialogFooter className="gap-2 sm:gap-0">
-            <Button variant="outline" onClick={() => setOpen(false)}>Kapat</Button>
-            <Button variant="default" onClick={handleAnalyze} className="gap-2">
+            <Button effect="shine" variant="secondary" onClick={() => setOpen(false)}>Kapat</Button>
+            <Button effect="shine" variant="default" onClick={handleAnalyze} className="gap-2">
               <Brain className="h-4 w-4" />
               Yeniden Oluştur
             </Button>
diff --git a/app/(dashboard)/journal/journal-client.tsx b/app/(dashboard)/journal/journal-client.tsx
index 763fc47..e773f77 100644
--- a/app/(dashboard)/journal/journal-client.tsx
+++ b/app/(dashboard)/journal/journal-client.tsx
@@ -81,9 +81,6 @@ export function JournalClient({ logs }: JournalClientProps) {
           <h1 className="text-3xl font-semibold tracking-normal text-foreground">
             Mood ve enerji
           </h1>
-          <p className="mt-1 max-w-2xl text-sm text-muted-foreground">
-            Günlük ruh hali, enerji ve çalışma memnuniyetini takip ederek kişisel kapasite trendini gör.
-          </p>
         </div>
 
         <div className="flex flex-col gap-2 sm:flex-row">
@@ -233,7 +230,7 @@ function DailyLogRow({ log }: { log: DailyLogItem }) {
         <DailyLogDialog mode="edit" log={log} />
         <form action={deleteDailyLogRecord}>
           <input type="hidden" name="id" value={log.id} />
-          <Button type="submit" variant="outline" className="h-9 gap-2 text-rose-600">
+          <Button effect="shine" type="submit" variant="secondary" className="gap-2 text-rose-600">
             <Trash2 className="h-4 w-4" />
             Sil
           </Button>
@@ -269,7 +266,7 @@ function DailyLogDialog({ mode, log }: { mode: "create" | "edit"; log?: DailyLog
   return (
     <Dialog open={open} onOpenChange={setOpen}>
       <DialogTrigger asChild>
-        <Button variant={mode === "create" ? "default" : "outline"} className="h-9 gap-2">
+        <Button effect="shine" variant={mode === "create" ? "default" : "secondary"} className="gap-2">
           {mode === "create" ? <Plus className="h-4 w-4" /> : <Pencil className="h-4 w-4" />}
           {mode === "create" ? "Günlük ekle" : "Düzenle"}
         </Button>
@@ -289,7 +286,7 @@ function DailyLogDialog({ mode, log }: { mode: "create" | "edit"; log?: DailyLog
           </div>
 
           <DialogFooter className="shrink-0 border-t border-border bg-background p-5">
-            <Button type="submit" disabled={isSubmitting} className="w-full gap-2 sm:w-auto">
+            <Button variant="default" effect="shine" type="submit" disabled={isSubmitting} className="w-full gap-2 sm:w-auto">
               {isSubmitting ? "Kaydediliyor" : mode === "create" ? "Kaydı ekle" : "Değişiklikleri kaydet"}
             </Button>
           </DialogFooter>
@@ -320,21 +317,18 @@ function DailyLogFormFields({ log }: { log?: DailyLogItem }) {
         label="Mood skoru"
         value={moodScore}
         onChange={setMoodScore}
-        tone="primary"
       />
       <ScorePicker
         name="energy_score"
         label="Enerji skoru"
         value={energyScore}
         onChange={setEnergyScore}
-        tone="green"
       />
       <ScorePicker
         name="work_satisfaction_score"
         label="Çalışma memnuniyeti"
         value={satisfactionScore}
         onChange={setSatisfactionScore}
-        tone="blue"
       />
 
       <div className="grid gap-2">
@@ -355,13 +349,11 @@ function ScorePicker({
   label,
   value,
   onChange,
-  tone,
 }: {
   name: string;
   label: string;
   value: number;
   onChange: (value: number) => void;
-  tone: "primary" | "green" | "blue";
 }) {
   return (
     <div className="grid gap-2">
@@ -372,18 +364,15 @@ function ScorePicker({
       <input type="hidden" name={name} value={value} />
       <div className="grid grid-cols-5 gap-2">
         {[1, 2, 3, 4, 5].map((score) => (
-          <button
+          <Button
+            effect="shine"
             key={score}
             type="button"
+            variant={value === score ? "default" : "secondary"}
             onClick={() => onChange(score)}
-            className={`h-10 rounded-sm border text-sm font-semibold transition-colors ${
-              value === score
-                ? getScoreActiveClass(tone)
-                : "border-border bg-background text-muted-foreground hover:border-primary/40"
-            }`}
           >
             {score}
-          </button>
+          </Button>
         ))}
       </div>
     </div>
@@ -446,12 +435,6 @@ function average(values: number[]) {
   return values.reduce((sum, value) => sum + value, 0) / values.length;
 }
 
-function getScoreActiveClass(tone: "primary" | "green" | "blue") {
-  if (tone === "green") return "border-emerald-600 bg-emerald-600 text-white";
-  if (tone === "blue") return "border-blue-600 bg-blue-600 text-white";
-  return "border-primary bg-primary text-primary-foreground";
-}
-
 function formatDate(value: string) {
   return new Intl.DateTimeFormat("tr-TR", {
     day: "2-digit",