feat(timesheet): improve inline edit autosave

src/api/contact.ts

@@ -0,0 +1,41 @@
+import { buildApiError, buildApiUrl } from "./client"
+
+const normalizeDigits = (value: string) =>
+  value
+    .replace(/[۰-۹]/g, (digit) => String("۰۱۲۳۴۵۶۷۸۹".indexOf(digit)))
+    .replace(/[٠-٩]/g, (digit) => String("٠١٢٣٤٥٦٧٨٩".indexOf(digit)))
+
+export interface ContactSubmissionPayload {
+  first_name: string
+  last_name: string
+  email: string
+  mobile: string
+  message: string
+}
+
+export interface ContactSubmissionResponse extends ContactSubmissionPayload {
+  id: string
+  status: string
+  created_at: string
+}
+
+export const submitContactForm = async (
+  payload: ContactSubmissionPayload,
+): Promise<ContactSubmissionResponse> => {
+  const response = await fetch(buildApiUrl("/api/contact/"), {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify({
+      ...payload,
+      mobile: normalizeDigits(payload.mobile),
+    }),
+  })
+
+  if (!response.ok) {
+    throw await buildApiError(response)
+  }
+
+  return response.json()
+}

src/components/CreateClientModal.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState } from "react";
+import { useEffect, useState, type FormEvent } from "react";
 import { toast } from "sonner";
 import { createClient } from "../api/clients";
 import { useTranslation } from "../hooks/useTranslation";
@@ -48,7 +48,8 @@ export default function CreateClientModal({ isOpen, onClose, onSuccess, workspac
     setThumbnailFile(file);
   };
 
-  const handleSubmit = async () => {
+  const handleSubmit = async (event?: FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (!name.trim()) return;
     setIsLoading(true);
     try {
@@ -72,7 +73,7 @@ export default function CreateClientModal({ isOpen, onClose, onSuccess, workspac
       <Button variant="outline" onClick={onClose} disabled={isLoading}>
         {t.actions?.cancel}
       </Button>
-      <Button onClick={handleSubmit} disabled={isLoading || !name.trim()}>
+      <Button type="submit" form="create-client-form" disabled={isLoading || !name.trim()}>
         {isLoading ? "..." : t.clients.create}
       </Button>
     </>
@@ -80,7 +81,7 @@ export default function CreateClientModal({ isOpen, onClose, onSuccess, workspac
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} title={t.clients.modalTitle} footer={footer}>
-      <div className="space-y-4">
+      <form id="create-client-form" onSubmit={handleSubmit} className="space-y-4">
         <div>
           <label className="block text-sm font-medium mb-1 text-slate-700 dark:text-slate-300">
             {t.workspace?.thumbnailLabel || "Thumbnail"}
@@ -117,7 +118,7 @@ export default function CreateClientModal({ isOpen, onClose, onSuccess, workspac
             placeholder={t.clients.notesPlaceholder}
           />
         </div>
-      </div>
+      </form>
     </Modal>
   );
 }

src/components/DeleteClientModal.tsx

@@ -1,4 +1,4 @@
-import { useState } from "react";
+import { useState, type FormEvent } from "react";
 import { toast } from "sonner";
 import { type Client } from "../types/client";
 import { deleteClient } from "../api/clients";
@@ -17,7 +17,8 @@ export default function DeleteClientModal({ isOpen, onClose, onSuccess, client }
   const { t } = useTranslation();
   const [isLoading, setIsLoading] = useState(false);
 
-  const handleDelete = async () => {
+  const handleDelete = async (event?: FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (!client) return;
     setIsLoading(true);
     try {
@@ -39,8 +40,9 @@ export default function DeleteClientModal({ isOpen, onClose, onSuccess, client }
         {t.actions?.cancel}
       </Button>
       <Button
+        type="submit"
+        form="delete-client-form"
         variant="destructive"
-        onClick={handleDelete} 
         disabled={isLoading}
       >
         {isLoading ? "..." : t.clients.delete}
@@ -56,9 +58,11 @@ export default function DeleteClientModal({ isOpen, onClose, onSuccess, client }
       footer={footer}
       maxWidth="max-w-sm"
     >
-      <p className="text-slate-500 dark:text-slate-400">
+      <form id="delete-client-form" onSubmit={handleDelete}>
+        <p className="text-slate-500 dark:text-slate-400">
         {client ? t.clients.deleteConfirmMessage(client.name) : ""}
-      </p>
+        </p>
+      </form>
     </Modal>
   );
 }

src/components/EditClientModal.tsx

@@ -1,4 +1,4 @@
-import { useState, useEffect } from "react";
+import { useState, useEffect, type FormEvent } from "react";
 import { toast } from "sonner";
 import { type Client } from "../types/client";
 import { updateClient } from "../api/clients";
@@ -59,7 +59,8 @@ export default function EditClientModal({ isOpen, onClose, onSuccess, client }:
     setClearThumbnail(false);
   };
 
-  const handleSubmit = async () => {
+  const handleSubmit = async (event?: FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (!client || !name.trim()) return;
     setIsLoading(true);
     try {
@@ -80,7 +81,7 @@ export default function EditClientModal({ isOpen, onClose, onSuccess, client }:
       <Button variant="outline" onClick={onClose} disabled={isLoading}>
         {t.actions?.cancel}
       </Button>
-      <Button onClick={handleSubmit} disabled={isLoading || !name.trim()}>
+      <Button type="submit" form="edit-client-form" disabled={isLoading || !name.trim()}>
         {isLoading ? "..." : t.clients.saveChanges}
       </Button>
     </>
@@ -88,7 +89,7 @@ export default function EditClientModal({ isOpen, onClose, onSuccess, client }:
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} title={t.clients.editClient} footer={footer}>
-      <div className="space-y-4">
+      <form id="edit-client-form" onSubmit={handleSubmit} className="space-y-4">
         <div>
           <label className="block text-sm font-medium mb-1 text-slate-700 dark:text-slate-300">
             {t.workspace?.thumbnailLabel || "Thumbnail"}
@@ -138,7 +139,7 @@ export default function EditClientModal({ isOpen, onClose, onSuccess, client }:
             placeholder={t.clients.notesPlaceholder}
           />
         </div>
-      </div>
+      </form>
     </Modal>
   );
 }

src/components/Modal.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect } from "react";
+import React, { useEffect, useRef } from "react";
 import { X } from "lucide-react";
 import { Card } from "./ui/card";
 import { Button } from "./ui/button";
@@ -23,15 +23,43 @@ export const Modal: React.FC<ModalProps> = ({
   footer,
   maxWidth = "max-w-lg",
 }) => {
+  const cardRef = useRef<HTMLDivElement>(null);
+
   useEffect(() => {
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (event.key === "Escape") {
+        onClose();
+      }
+    };
+
     if (isOpen) {
       document.body.style.overflow = "hidden";
+      document.addEventListener("keydown", handleKeyDown);
     } else {
       document.body.style.overflow = "unset";
     }
     return () => {
       document.body.style.overflow = "unset";
+      document.removeEventListener("keydown", handleKeyDown);
     };
+  }, [isOpen, onClose]);
+
+  useEffect(() => {
+    if (!isOpen) return;
+
+    const focusTimer = window.setTimeout(() => {
+      const activeElement = document.activeElement;
+      if (activeElement instanceof HTMLElement && cardRef.current?.contains(activeElement)) {
+        return;
+      }
+
+      const firstTextInput = cardRef.current?.querySelector<HTMLElement>(
+        'input:not([type]), input[type="text"], input[type="search"], input[type="email"], input[type="tel"], input[type="password"], input[type="number"], textarea',
+      );
+      firstTextInput?.focus();
+    }, 0);
+
+    return () => window.clearTimeout(focusTimer);
   }, [isOpen]);
 
   if (!isOpen) return null;
@@ -42,6 +70,7 @@ export const Modal: React.FC<ModalProps> = ({
       onClick={onClose}
     >
       <Card 
+        ref={cardRef}
         className={`flex max-h-[calc(100vh-2rem)] w-full flex-col ${maxWidth} bg-white dark:bg-slate-900 text-slate-900 dark:text-slate-100 border-0 shadow-xl overflow-hidden rounded-2xl`}
         onClick={(e) => e.stopPropagation()}
       >

src/components/projects/ProjectCreateModal.tsx

@@ -100,7 +100,7 @@ export const ProjectCreateModal: React.FC<ProjectCreateModalProps> = ({ isOpen,
       <button onClick={onClose} type="button" className="px-4 py-2 text-sm font-medium text-slate-700 bg-white border border-slate-300 rounded-lg hover:bg-slate-50 dark:bg-slate-800 dark:text-slate-300 dark:border-slate-600 dark:hover:bg-slate-700">
         {t.actions?.cancel || "Cancel"}
       </button>
-      <button onClick={handleSubmit} disabled={loading || !formData.name} type="button" className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-50">
+      <button form="create-project-form" disabled={loading || !formData.name} type="submit" className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-50">
         {loading ? "..." : t.projects?.create}
       </button>
     </>
@@ -110,7 +110,7 @@ export const ProjectCreateModal: React.FC<ProjectCreateModalProps> = ({ isOpen,
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} title={t.projects?.createProject} footer={footer}>
-      <form onSubmit={handleSubmit} className="space-y-4">
+      <form id="create-project-form" onSubmit={handleSubmit} className="space-y-4">
         {/* ردیف اول: عنوان و انتخاب رنگ */}
         <div className="flex items-end gap-3">
           <div className="flex-1">

src/components/projects/ProjectEditModal.tsx

@@ -154,7 +154,7 @@ export const ProjectEditModal: React.FC<ProjectEditModalProps> = ({ isOpen, onCl
         <button onClick={onClose} type="button" className="px-4 py-2 text-sm font-medium text-slate-700 bg-white border border-slate-300 rounded-lg hover:bg-slate-50 dark:bg-slate-800 dark:text-slate-300 dark:border-slate-600">
           {t.actions?.cancel || "Cancel"}
         </button>
-        <button onClick={handleSubmit} disabled={loading || !formData.name} type="button" className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-50">
+        <button form="edit-project-form" disabled={loading || !formData.name} type="submit" className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-50">
           {loading ? "..." : t.save || "Save"}
         </button>
       </div>
@@ -165,7 +165,7 @@ export const ProjectEditModal: React.FC<ProjectEditModalProps> = ({ isOpen, onCl
 
   return (
     <Modal isOpen={isOpen} onClose={onClose} title={t.projects.editProject} footer={footer}>
-      <form onSubmit={handleSubmit} className="space-y-4 mb-6">
+      <form id="edit-project-form" onSubmit={handleSubmit} className="space-y-4 mb-6">
         <div className="flex items-end gap-3">
           <div className="flex-1">
             <label className="block mb-1 text-sm font-medium text-slate-700 dark:text-slate-300">

src/components/ui/JalaliDatePicker.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useState } from "react"
+import React, { useEffect, useRef, useState } from "react"
 import DatePicker, { DateObject } from "react-multi-date-picker"
 import persian from "react-date-object/calendars/persian"
 import persian_fa from "react-date-object/locales/persian_fa"
@@ -18,6 +18,8 @@ interface JalaliDatePickerProps {
 export default function JalaliDatePicker({ value, onChange, label, disabled, inputClassName = "", placeholder }: JalaliDatePickerProps) {
   const isFa = document.documentElement.dir === 'rtl'
   const [isDark, setIsDark] = useState(document.documentElement.classList.contains('dark'))
+  const containerRef = useRef<HTMLDivElement>(null)
+  const [calendarPosition, setCalendarPosition] = useState("bottom-right")
 
   // Listen for dark mode changes dynamically (optional but good for UX)
   useEffect(() => {
@@ -37,8 +39,19 @@ export default function JalaliDatePicker({ value, onChange, label, disabled, inp
     }
   }
 
+  const updateCalendarPosition = () => {
+    const rect = containerRef.current?.getBoundingClientRect()
+    if (!rect) return
+
+    const estimatedHeight = 340
+    const hasMoreSpaceAbove = rect.top > window.innerHeight - rect.bottom
+    const shouldOpenTop = window.innerHeight - rect.bottom < estimatedHeight && hasMoreSpaceAbove
+    const horizontal = isFa ? "left" : "right"
+    setCalendarPosition(`${shouldOpenTop ? "top" : "bottom"}-${horizontal}`)
+  }
+
   return (
-    <div className="w-full">
+    <div ref={containerRef} className="w-full">
       {label && (
         <label className="text-sm font-medium dark:text-slate-300 mb-1 block">
           {label}
@@ -52,10 +65,11 @@ export default function JalaliDatePicker({ value, onChange, label, disabled, inp
         format="YYYY/MM/DD"
         placeholder={placeholder || "YYYY/MM/DD"}
         onOpenPickNewDate={false}
+        onOpen={updateCalendarPosition}
         inputClass={`w-full rounded-md border border-slate-300 bg-transparent px-3 py-2 text-sm dark:border-slate-700 dark:text-white focus:outline-none focus:ring-2 focus:ring-blue-500 disabled:opacity-50 disabled:cursor-not-allowed ${inputClassName}`}
         containerClassName="w-full"
         className={isDark ? "bg-dark" : ""}
-        calendarPosition="bottom-right"
+        calendarPosition={calendarPosition}
         fixMainPosition
         disabled={disabled}
       />

src/content/about.json

@@ -64,6 +64,52 @@
       "Project access and user roles help limit what each person can see or use.",
       "Exports and logs are designed to make review easier, not to hide important details."
     ],
+    "contact": {
+      "eyebrow": "Contact",
+      "title": "Need help or want to talk about Qlockify?",
+      "description": "Send a note or reach out through the support channels below. Contact form submissions are stored securely so the team can review and follow up.",
+      "formTitle": "Send a note",
+      "fields": {
+        "firstName": "First name",
+        "lastName": "Last name",
+        "email": "Email",
+        "mobile": "Mobile",
+        "message": "Message"
+      },
+      "placeholders": {
+        "firstName": "Your first name",
+        "lastName": "Your last name",
+        "email": "you@example.com",
+        "mobile": "09...",
+        "message": "Tell us what you need help with..."
+      },
+      "submit": "Send message",
+      "submitting": "Sending...",
+      "success": "Your message was saved. We will contact you soon.",
+      "error": "Could not send your message. Please try again.",
+      "channels": [
+        {
+          "label": "Telegram support",
+          "value": "qlockify_support",
+          "href": "https://t.me/qlockify_support"
+        },
+        {
+          "label": "Telegram channel",
+          "value": "qlockify",
+          "href": "https://t.me/qlockify"
+        },
+        {
+          "label": "Support email",
+          "value": "qlockify@gmail.com",
+          "href": "mailto:qlockify@gmail.com"
+        },
+        {
+          "label": "Mobile (message or call)",
+          "value": "09938228438",
+          "href": "tel:09938228438"
+        }
+      ]
+    },
     "cta": {
       "title": "Start with one workspace and make time easier to explain.",
       "description": "Open Qlockify, track a real workday, and compare the report with the way your team reviews work today.",
@@ -135,6 +181,52 @@
       "دسترسی پروژه و نقش کاربران کمک می‌کند هر فرد فقط چیزی را ببیند یا استفاده کند که باید.",
       "خروجی‌ها و لاگ‌ها برای ساده‌تر کردن بررسی طراحی شده‌اند، نه برای پنهان کردن جزئیات مهم."
     ],
+    "contact": {
+      "eyebrow": "تماس",
+      "title": "کمک می‌خواهید یا می‌خواهید درباره Qlockify صحبت کنیم؟",
+      "description": "یک پیام بفرستید یا از مسیرهای پشتیبانی زیر با ما در ارتباط باشید. پیام‌های فرم تماس ذخیره می‌شوند تا تیم بتواند آن‌ها را بررسی و پیگیری کند.",
+      "formTitle": "ارسال پیام",
+      "fields": {
+        "firstName": "نام",
+        "lastName": "نام خانوادگی",
+        "email": "ایمیل",
+        "mobile": "موبایل",
+        "message": "پیام"
+      },
+      "placeholders": {
+        "firstName": "نام شما",
+        "lastName": "نام خانوادگی شما",
+        "email": "you@example.com",
+        "mobile": "09...",
+        "message": "بگویید برای چه چیزی به کمک نیاز دارید..."
+      },
+      "submit": "ارسال پیام",
+      "submitting": "در حال ارسال...",
+      "success": "پیام شما ثبت شد. به‌زودی با شما تماس می‌گیریم.",
+      "error": "ارسال پیام انجام نشد. لطفا دوباره تلاش کنید.",
+      "channels": [
+        {
+          "label": "پشتیبانی تلگرام",
+          "value": "qlockify_support",
+          "href": "https://t.me/qlockify_support"
+        },
+        {
+          "label": "کانال تلگرام",
+          "value": "qlockify",
+          "href": "https://t.me/qlockify"
+        },
+        {
+          "label": "ایمیل پشتیبانی",
+          "value": "qlockify@gmail.com",
+          "href": "mailto:qlockify@gmail.com"
+        },
+        {
+          "label": "موبایل (پیام یا تماس)",
+          "value": "09938228438",
+          "href": "tel:09938228438"
+        }
+      ]
+    },
     "cta": {
       "title": "با یک ورک‌اسپیس شروع کنید و توضیح زمان را ساده‌تر کنید.",
       "description": "Qlockify را باز کنید، یک روز کاری واقعی را ثبت کنید و گزارش آن را با روش فعلی مرور کار در تیم مقایسه کنید.",

src/locales/en.ts

@@ -701,6 +701,10 @@ export const en = {
     noProjectsFoundLabel: "No projects found.",
     deletedProjectLabel: "Deleted project",
     deletedTagLabel: "Deleted tag",
+    startRequiredError: "Start date and time are required.",
+    endRequiredError: "End date and time must both be filled.",
+    invalidEndTimeError: "End time is invalid.",
+    endBeforeStartError: "End must be after start.",
   },
 
   reports: {

src/locales/fa.ts

@@ -698,6 +698,10 @@ export const fa = {
     noProjectsFoundLabel: "پروژه‌ای پیدا نشد.",
     deletedProjectLabel: "پروژه حذف‌شده",
     deletedTagLabel: "تگ حذف‌شده",
+    startRequiredError: "تاریخ و زمان شروع الزامی است.",
+    endRequiredError: "تاریخ و زمان پایان باید هر دو وارد شوند.",
+    invalidEndTimeError: "زمان پایان معتبر نیست.",
+    endBeforeStartError: "پایان باید بعد از شروع باشد.",
   },
   reports: {
     title: "گزارش‌ها",

src/pages/About.tsx

@@ -1,7 +1,10 @@
+import { useState, type FormEvent } from "react"
 import { Link, useNavigate } from "react-router-dom"
+import { toast } from "sonner"
 import {
   ArrowLeft,
   ArrowRight,
+  AtSign,
   BarChart3,
   CheckCircle2,
   Command,
@@ -9,7 +12,11 @@ import {
   Globe2,
   Layers3,
   LockKeyhole,
+  Mail,
+  MessageCircle,
   Moon,
+  Phone,
+  Send,
   ShieldCheck,
   Sparkles,
   Sun,
@@ -19,8 +26,11 @@ import {
 } from "lucide-react"
 
 import { Button } from "../components/ui/button"
+import { Input } from "../components/ui/input"
+import { TextAreaInput } from "../components/ui/TextAreaInput"
 import { useTheme } from "../components/ThemeProvider"
 import { useTranslation } from "../hooks/useTranslation"
+import { submitContactForm } from "../api/contact"
 import aboutContent from "../content/about.json"
 import { cn } from "../lib/utils"
 
@@ -29,11 +39,20 @@ type AboutContent = typeof aboutContent.en
 const sectionIcons = [Sparkles, ShieldCheck, Layers3]
 const principleIcons = [TimerReset, Waypoints, BarChart3]
 const capabilityIcons = [TimerReset, Users, FileText, LockKeyhole]
+const contactIcons = [MessageCircle, MessageCircle, Mail, Phone]
 
 export default function About() {
   const navigate = useNavigate()
   const { t, lang, setLanguage } = useTranslation()
   const { theme, setTheme } = useTheme()
+  const [contactForm, setContactForm] = useState({
+    firstName: "",
+    lastName: "",
+    email: "",
+    mobile: "",
+    message: "",
+  })
+  const [isContactSubmitting, setIsContactSubmitting] = useState(false)
 
   const content = aboutContent[lang] as AboutContent
   const isAuthenticated = typeof window !== "undefined" && !!localStorage.getItem("accessToken")
@@ -42,6 +61,36 @@ export default function About() {
     (theme === "system" && document.documentElement.classList.contains("dark"))
   const ctaTarget = isAuthenticated ? "/timesheet" : "/auth"
 
+  const updateContactField = (field: keyof typeof contactForm, value: string) => {
+    setContactForm((current) => ({ ...current, [field]: value }))
+  }
+
+  const handleContactSubmit = async (event: FormEvent<HTMLFormElement>) => {
+    event.preventDefault()
+    setIsContactSubmitting(true)
+    try {
+      await submitContactForm({
+        first_name: contactForm.firstName.trim(),
+        last_name: contactForm.lastName.trim(),
+        email: contactForm.email.trim(),
+        mobile: contactForm.mobile.trim(),
+        message: contactForm.message.trim(),
+      })
+      setContactForm({
+        firstName: "",
+        lastName: "",
+        email: "",
+        mobile: "",
+        message: "",
+      })
+      toast.success(content.contact.success)
+    } catch (error) {
+      toast.error(error instanceof Error ? error.message : content.contact.error)
+    } finally {
+      setIsContactSubmitting(false)
+    }
+  }
+
   return (
     <div className="scroll-smooth min-h-screen overflow-x-hidden bg-[radial-gradient(circle_at_top,#e0f2fe_0%,#f8fafc_36%,#eef2ff_100%)] text-slate-950 dark:bg-[radial-gradient(circle_at_top,#082f49_0%,#020617_40%,#020617_100%)] dark:text-slate-50">
       <div className="landing-aurora pointer-events-none fixed inset-0 opacity-80" />
@@ -67,13 +116,13 @@ export default function About() {
           <nav className="hidden items-center gap-2 md:flex">
             <Link
               to="/"
-              className="rounded-full px-4 py-2 text-sm font-medium text-slate-600 transition hover:bg-slate-100 hover:text-slate-950 dark:text-slate-300 dark:hover:bg-slate-900 dark:hover:text-white"
+              className="rounded-full px-4 py-2 text-sm font-medium text-slate-600 transition dark:text-slate-200 dark:hover:text-white"
             >
               {lang === "fa" ? "خانه" : "Home"}
             </Link>
             <Link
               to="/about"
-              className="rounded-full bg-slate-950 px-4 py-2 text-sm font-medium text-white shadow-sm dark:bg-white dark:text-slate-950"
+              className="rounded-ful px-4 py-2 text-sm text-white shadow-sm font-bold"
             >
               {lang === "fa" ? "درباره ما" : "About us"}
             </Link>
@@ -291,6 +340,133 @@ export default function About() {
             </div>
           </section>
 
+          <section className="grid gap-6 py-8 lg:grid-cols-[0.95fr_1.05fr]">
+            <div className="animate-landing-rise rounded-[2rem] border border-white/70 bg-white/80 p-7 shadow-[0_30px_80px_-50px_rgba(15,23,42,0.6)] backdrop-blur-xl dark:border-white/10 dark:bg-slate-950/65">
+              <div className="text-sm font-semibold uppercase tracking-[0.2em] text-cyan-700 dark:text-cyan-300">
+                {content.contact.eyebrow}
+              </div>
+              <h2 className="mt-4 text-4xl font-semibold tracking-[-0.05em] text-slate-950 dark:text-white">
+                {content.contact.title}
+              </h2>
+              <p className="mt-4 text-base leading-8 text-slate-600 dark:text-slate-300">
+                {content.contact.description}
+              </p>
+
+              <div className="mt-7 grid gap-3">
+                {content.contact.channels.map((channel, index) => {
+                  const Icon = contactIcons[index] ?? AtSign
+
+                  return (
+                    <a
+                      key={channel.label}
+                      href={channel.href}
+                      target={channel.href.startsWith("http") ? "_blank" : undefined}
+                      rel={channel.href.startsWith("http") ? "noreferrer" : undefined}
+                      className="group flex items-center justify-between gap-4 rounded-2xl border border-slate-200/80 bg-white/80 p-4 text-start shadow-sm transition hover:border-cyan-300 hover:bg-cyan-50/70 dark:border-slate-800 dark:bg-slate-900/75 dark:hover:border-cyan-500/40 dark:hover:bg-cyan-950/30"
+                    >
+                      <span className="flex min-w-0 items-center gap-3">
+                        <span className="flex h-10 w-10 shrink-0 items-center justify-center rounded-2xl bg-slate-950 text-white dark:bg-cyan-400 dark:text-slate-950">
+                          <Icon className="h-5 w-5" />
+                        </span>
+                        <span className="min-w-0">
+                          <span className="block text-sm font-semibold text-slate-950 dark:text-white">
+                            {channel.label}
+                          </span>
+                          <span className="block truncate text-sm text-slate-600 dark:text-slate-300">
+                            {channel.value}
+                          </span>
+                        </span>
+                      </span>
+                      {lang === "fa" ? (
+                        <ArrowLeft className="h-4 w-4 shrink-0 text-slate-400 transition group-hover:text-cyan-600 dark:group-hover:text-cyan-300" />
+                      ) : (
+                        <ArrowRight className="h-4 w-4 shrink-0 text-slate-400 transition group-hover:text-cyan-600 dark:group-hover:text-cyan-300" />
+                      )}
+                    </a>
+                  )
+                })}
+              </div>
+            </div>
+
+            <form
+              onSubmit={handleContactSubmit}
+              className="animate-landing-rise rounded-[2rem] border border-white/70 bg-white/85 p-7 shadow-[0_30px_80px_-50px_rgba(15,23,42,0.6)] backdrop-blur-xl dark:border-white/10 dark:bg-slate-950/70"
+            >
+              <div className="mb-6 flex items-center gap-3">
+                <span className="flex h-11 w-11 items-center justify-center rounded-2xl bg-slate-950 text-white dark:bg-cyan-400 dark:text-slate-950">
+                  <Send className="h-5 w-5" />
+                </span>
+                <h2 className="text-2xl font-semibold tracking-[-0.04em] text-slate-950 dark:text-white">
+                  {content.contact.formTitle}
+                </h2>
+              </div>
+
+              <div className="grid gap-4 sm:grid-cols-2">
+                <label className="text-sm font-medium text-slate-700 dark:text-slate-300">
+                  {content.contact.fields.firstName}
+                  <Input
+                    value={contactForm.firstName}
+                    onChange={(event) => updateContactField("firstName", event.target.value)}
+                    placeholder={content.contact.placeholders.firstName}
+                    className="mt-2 h-12 rounded-2xl"
+                    required
+                  />
+                </label>
+                <label className="text-sm font-medium text-slate-700 dark:text-slate-300">
+                  {content.contact.fields.lastName}
+                  <Input
+                    value={contactForm.lastName}
+                    onChange={(event) => updateContactField("lastName", event.target.value)}
+                    placeholder={content.contact.placeholders.lastName}
+                    className="mt-2 h-12 rounded-2xl"
+                    required
+                  />
+                </label>
+                <label className="text-sm font-medium text-slate-700 dark:text-slate-300">
+                  {content.contact.fields.email}
+                  <Input
+                    type="email"
+                    value={contactForm.email}
+                    onChange={(event) => updateContactField("email", event.target.value)}
+                    placeholder={content.contact.placeholders.email}
+                    className="mt-2 h-12 rounded-2xl"
+                    required
+                  />
+                </label>
+                <label className="text-sm font-medium text-slate-700 dark:text-slate-300">
+                  {content.contact.fields.mobile}
+                  <Input
+                    value={contactForm.mobile}
+                    onChange={(event) => updateContactField("mobile", event.target.value)}
+                    placeholder={content.contact.placeholders.mobile}
+                    className="mt-2 h-12 rounded-2xl"
+                    required
+                  />
+                </label>
+              </div>
+
+              <label className="mt-4 block text-sm font-medium text-slate-700 dark:text-slate-300">
+                {content.contact.fields.message}
+                <TextAreaInput
+                  value={contactForm.message}
+                  onChange={(event) => updateContactField("message", event.target.value)}
+                  placeholder={content.contact.placeholders.message}
+                  className="mt-2 min-h-40 rounded-2xl"
+                  required
+                />
+              </label>
+
+              <Button
+                type="submit"
+                disabled={isContactSubmitting}
+                className="mt-6 h-14 w-full rounded-full bg-slate-950 px-7 text-base text-white hover:bg-slate-800 dark:bg-cyan-400 dark:text-slate-950 dark:hover:bg-cyan-300"
+              >
+                <Send className="me-2 h-4 w-4" />
+                {isContactSubmitting ? content.contact.submitting : content.contact.submit}
+              </Button>
+            </form>
+          </section>
+
           <section className="py-8">
             <div className="relative overflow-hidden rounded-[2.5rem] border border-slate-950/5 bg-slate-950 px-6 py-10 text-white shadow-[0_40px_100px_-40px_rgba(15,23,42,0.8)] dark:border-white/10 sm:px-10">
               <div className="pointer-events-none absolute inset-y-0 right-0 w-[45%] bg-[radial-gradient(circle_at_top_right,rgba(34,211,238,0.35),transparent_55%),radial-gradient(circle_at_bottom_right,rgba(16,185,129,0.24),transparent_45%)]" />

src/pages/Landing.tsx

@@ -131,10 +131,10 @@ export default function Landing() {
           </button>
 
           <div className="hidden items-center gap-2 md:flex">
-            <Link to="/" className="rounded-full bg-slate-950 px-4 py-2 text-sm font-medium text-white shadow-sm dark:bg-white dark:text-slate-950">
+            <Link to="/" className="rounded-ful px-4 py-2 text-sm text-white shadow-sm font-bold">
               {lang === "fa" ? "خانه" : "Home"}
             </Link>
-            <Link to="/about" className="rounded-full px-4 py-2 text-sm font-medium text-slate-600 transition hover:bg-slate-100 hover:text-slate-950 dark:text-slate-300 dark:hover:bg-slate-900 dark:hover:text-white">
+            <Link to="/about" className="rounded-full px-4 py-2 text-sm font-medium text-slate-600 transition dark:text-slate-200 dark:hover:text-white">
               {t.landing.nav.about}
             </Link>
           </div>

src/pages/NotFound.tsx

@@ -1,70 +1,48 @@
-import { Link, useLocation } from "react-router-dom"
+import { useNavigate } from "react-router-dom"
-import { ArrowLeft, ArrowRight, Command, Compass, Home } from "lucide-react"
+import { ArrowLeft, ArrowRight, Home } from "lucide-react"
 
 import { Button } from "../components/ui/button"
 import { useTranslation } from "../hooks/useTranslation"
-import { cn } from "../lib/utils"
 
 export default function NotFound() {
-  const location = useLocation()
+  const navigate = useNavigate()
-  const { lang, t } = useTranslation()
+  const { lang } = useTranslation()
   const isFa = lang === "fa"
 
   return (
-    <div className="min-h-screen overflow-hidden bg-[radial-gradient(circle_at_top,#e0f2fe_0%,#f8fafc_36%,#eef2ff_100%)] text-slate-950 dark:bg-[radial-gradient(circle_at_top,#082f49_0%,#020617_40%,#020617_100%)] dark:text-slate-50">
+    <main className="flex min-h-screen items-center justify-center bg-[radial-gradient(circle_at_top,#e0f2fe_0%,#f8fafc_42%,#eef2ff_100%)] px-4 text-center text-slate-950 dark:bg-[radial-gradient(circle_at_top,#082f49_0%,#020617_44%,#020617_100%)] dark:text-slate-50">
-      <div className="landing-aurora pointer-events-none fixed inset-0 opacity-80" />
+      <section className="mx-auto max-w-2xl">
-      <div className="landing-hero-grid pointer-events-none fixed inset-0 opacity-70 dark:opacity-40" />
+        <div className="text-[7rem] font-semibold leading-none tracking-[-0.08em] text-slate-950 sm:text-[10rem] dark:text-white">
-
+          404
-      <main className="relative mx-auto flex min-h-screen max-w-5xl items-center px-4 py-12 sm:px-6 lg:px-8">
-        <div className="animate-landing-rise w-full overflow-hidden rounded-[2.5rem] border border-white/70 bg-white/80 p-6 shadow-[0_45px_110px_-48px_rgba(15,23,42,0.6)] backdrop-blur-2xl dark:border-white/10 dark:bg-slate-950/70 sm:p-10">
-          <div className="flex flex-col gap-8 lg:flex-row lg:items-end lg:justify-between">
-            <div className="max-w-3xl">
-              <div className="mb-5 inline-flex items-center gap-2 rounded-full border border-cyan-200/70 bg-cyan-50/80 px-4 py-2 text-sm font-semibold text-cyan-900 dark:border-cyan-500/20 dark:bg-cyan-500/10 dark:text-cyan-100">
-                <Compass className="h-4 w-4" />
-                {isFa ? "مسیر پیدا نشد" : "Route not found"}
-              </div>
-              <h1 className="text-5xl font-semibold tracking-[-0.06em] text-slate-950 sm:text-7xl dark:text-white">
-                404
-              </h1>
-              <p className="mt-5 text-xl leading-9 text-slate-600 dark:text-slate-300">
-                {isFa
-                  ? "این آدرس در رابط کاربری Qlockify تعریف نشده است."
-                  : "This endpoint is not defined in the Qlockify interface."}
-              </p>
-              <div className="mt-6 rounded-2xl border border-slate-200 bg-slate-50 px-4 py-3 font-mono text-sm text-slate-700 dark:border-slate-800 dark:bg-slate-900 dark:text-slate-200">
-                {location.pathname}
-              </div>
-            </div>
-
-            <div className="flex flex-col gap-3 sm:flex-row lg:flex-col">
-              <Button
-                asChild
-                className="h-14 rounded-full bg-slate-950 px-7 text-base text-white hover:bg-slate-800 dark:bg-cyan-400 dark:text-slate-950 dark:hover:bg-cyan-300"
-              >
-                <Link to="/">
-                  <Home className="me-2 h-4 w-4" />
-                  {isFa ? "بازگشت به خانه" : "Back home"}
-                </Link>
-              </Button>
-              <Button
-                asChild
-                variant="outline"
-                className="h-14 rounded-full border-slate-200 bg-white/85 px-7 text-base text-slate-800 shadow-sm backdrop-blur hover:bg-white dark:border-slate-800 dark:bg-slate-950/70 dark:text-slate-100 dark:hover:bg-slate-900"
-              >
-                <Link to="/about">
-                  <Command className="me-2 h-4 w-4" />
-                  {isFa ? "درباره Qlockify" : "About Qlockify"}
-                  {isFa ? (
-                    <ArrowLeft className="ms-2 h-4 w-4" />
-                  ) : (
-                    <ArrowRight className={cn("ms-2 h-4 w-4")} />
-                  )}
-                </Link>
-              </Button>
-            </div>
-          </div>
         </div>
-      </main>
+        <h1 className="mt-5 text-3xl font-semibold tracking-[-0.04em] sm:text-5xl">
-    </div>
+          {isFa ? "صفحه پیدا نشد" : "Page not found"}
+        </h1>
+        <p className="mx-auto mt-5 max-w-xl text-base leading-8 text-slate-600 sm:text-lg dark:text-slate-300">
+          {isFa
+            ? "این صفحه وجود ندارد یا آدرس آن تغییر کرده است."
+            : "This page does not exist or its address has changed."}
+        </p>
+        <div className="mt-9 flex flex-col justify-center gap-3 sm:flex-row">
+          <Button
+            type="button"
+            variant="outline"
+            onClick={() => navigate(-1)}
+            className="h-14 rounded-full border-slate-200 bg-white/80 px-7 text-base text-slate-800 backdrop-blur hover:bg-white dark:border-slate-800 dark:bg-slate-950/70 dark:text-slate-100 dark:hover:bg-slate-900"
+          >
+            {isFa ? <ArrowRight className="me-2 h-4 w-4" /> : <ArrowLeft className="me-2 h-4 w-4" />}
+            {isFa ? "بازگشت" : "Go back"}
+          </Button>
+          <Button
+            type="button"
+            onClick={() => navigate("/")}
+            className="h-14 rounded-full bg-slate-950 px-7 text-base text-white hover:bg-slate-800 dark:bg-cyan-400 dark:text-slate-950 dark:hover:bg-cyan-300"
+          >
+            <Home className="me-2 h-4 w-4" />
+            {isFa ? "صفحه اصلی" : "Home page"}
+          </Button>
+        </div>
+      </section>
+    </main>
   )
 }

src/pages/Projects.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useMemo, useState } from "react";
+import React, { useEffect, useMemo, useState, type FormEvent } from "react";
 import { useSearchParams } from "react-router-dom";
 import { useTranslation } from "../hooks/useTranslation";
 import { getProjects, deleteProject, type Project } from "../api/projects";
@@ -149,7 +149,8 @@ export const Projects: React.FC = () => {
     };
   }, [activeWorkspace?.id, currentPage, limit, search, isArchived, ordering, selectedClientIdsKey]);
 
-  const confirmDelete = async () => {
+  const confirmDelete = async (event?: FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (!deleteModal.project) return;
     try {
       const deletedId = deleteModal.project.id;
@@ -543,7 +544,8 @@ export const Projects: React.FC = () => {
               <Button 
                 variant="destructive"
                 disabled={deleteInput !== deleteModal.project.name}
-                onClick={confirmDelete} 
+                type="submit"
+                form="delete-project-form"
                 className="rounded-xl font-semibold"
               >
                 {t.actions?.delete || 'Delete'}
@@ -551,7 +553,7 @@ export const Projects: React.FC = () => {
             </>
           }
         >
-          <div className="flex flex-col gap-4">
+          <form id="delete-project-form" onSubmit={confirmDelete} className="flex flex-col gap-4">
             <p className="text-slate-600 dark:text-slate-400 text-sm leading-relaxed">
               {t.projects?.deleteWarning || 'To confirm deletion, please type the project name:'} <strong className="text-slate-900 dark:text-white select-all">{deleteModal.project.name}</strong>
             </p>
@@ -562,7 +564,7 @@ export const Projects: React.FC = () => {
               onChange={(e) => setDeleteInput(e.target.value)}
               placeholder={deleteModal.project.name}
             />
-          </div>
+          </form>
         </Modal>
       )}
 

src/pages/Tags.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState } from "react";
+import { useEffect, useState, type FormEvent } from "react";
 import { useSearchParams } from "react-router-dom";
 import { Edit2, Plus, Tag as TagIcon, Trash2 } from "lucide-react";
 import { toast } from "sonner";
@@ -105,7 +105,8 @@ export default function Tags() {
     setFormColor(DEFAULT_COLOR);
   };
 
-  const handleSubmit = async () => {
+  const handleSubmit = async (event?: FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (!activeWorkspace?.id || !formName.trim()) return;
 
     try {
@@ -284,13 +285,13 @@ export default function Tags() {
             <Button variant="secondary" onClick={closeModal}>
               {t.actions?.cancel || "Cancel"}
             </Button>
-            <Button onClick={() => void handleSubmit()} disabled={isSaving || !formName.trim()}>
+            <Button type="submit" form="tag-form" disabled={isSaving || !formName.trim()}>
               {isSaving ? "..." : (editingTag ? (t.save || "Save") : (t.create || "Create"))}
             </Button>
           </>
         }
       >
-        <div className="space-y-4">
+        <form id="tag-form" onSubmit={handleSubmit} className="space-y-4">
           <div>
             <label className="block text-sm font-medium text-slate-700 dark:text-slate-300 mb-1">
               {t.tags?.nameLabel || "Tag name"}
@@ -304,7 +305,7 @@ export default function Tags() {
             </label>
             <input type="color" value={formColor} onChange={(event) => setFormColor(event.target.value)} className="h-10 w-14 cursor-pointer rounded-md border border-slate-200 dark:border-slate-700 bg-transparent" />
           </div>
-        </div>
+        </form>
       </Modal>
 
       {deleteModal.tag && (
@@ -320,21 +321,28 @@ export default function Tags() {
               </Button>
               <Button
                 variant="destructive"
-                onClick={() => {
+                type="submit"
-                  if (!deleteModal.tag) return;
+                form="delete-tag-form"
-                  void handleDelete(deleteModal.tag);
-                  setDeleteModal({ isOpen: false, tag: null });
-                }}
               >
                 {t.actions?.delete || "Delete"}
               </Button>
             </>
           }
         >
-          <p className="text-sm leading-relaxed text-slate-600 dark:text-slate-400">
+          <form
-            {(t.tags?.deleteConfirmMessage as ((name: string) => string) | undefined)?.(deleteModal.tag.name) ||
+            id="delete-tag-form"
-              `Are you sure you want to delete "${deleteModal.tag.name}"?`}
+            onSubmit={(event) => {
-          </p>
+              event.preventDefault();
+              if (!deleteModal.tag) return;
+              void handleDelete(deleteModal.tag);
+              setDeleteModal({ isOpen: false, tag: null });
+            }}
+          >
+            <p className="text-sm leading-relaxed text-slate-600 dark:text-slate-400">
+              {(t.tags?.deleteConfirmMessage as ((name: string) => string) | undefined)?.(deleteModal.tag.name) ||
+                `Are you sure you want to delete "${deleteModal.tag.name}"?`}
+            </p>
+          </form>
         </Modal>
       )}
     </div>

src/pages/Timesheet.tsx

@@ -152,6 +152,18 @@ const handleFormattedTimeInputChange = (
   });
 };
 
+const selectTimeSegment = (input: HTMLInputElement) => {
+  const cursor = input.selectionStart ?? 0;
+  const start = cursor <= 2 ? 0 : cursor <= 5 ? 3 : 6;
+  const end = start + 2;
+
+  window.requestAnimationFrame(() => {
+    if (document.activeElement === input) {
+      input.setSelectionRange(start, end);
+    }
+  });
+};
+
 const isValidTimeValue = (value: string) => {
   if (!/^\d{2}:\d{2}:\d{2}$/.test(value)) return false;
   const [hours, minutes, seconds] = value.split(":").map(Number);
@@ -447,23 +459,34 @@ const toggleTagId = (currentTags: string[], tagId: string) =>
 
 const buildPayloadFromState = (
   state: EntryFormState,
-  options: { includeWorkspace: boolean; workspaceId?: string },
+  options: { includeWorkspace: boolean; workspaceId?: string; messages?: Partial<Record<"startRequired" | "endRequired" | "invalidEndTime" | "endBeforeStart", string>> },
 ): { payload?: TimeEntryPayload; error?: string } => {
+  const messages = {
+    startRequired: "Start date and time are required.",
+    endRequired: "End date and time must both be filled.",
+    invalidEndTime: "End time is invalid.",
+    endBeforeStart: "End must be after start.",
+    ...options.messages,
+  };
   const startDateTime = combineDateAndTime(state.startDate, state.startTime);
   if (!startDateTime) {
-    return { error: "Start date and time are required." };
+    return { error: messages.startRequired };
   }
 
   let endDateTime: string | null = null;
   const hasEndValue = Boolean(state.endDate || state.endTime);
   if (hasEndValue) {
     if (!state.endDate || !state.endTime) {
-      return { error: "End date and time must both be filled." };
+      return { error: messages.endRequired };
     }
 
     endDateTime = combineDateAndTime(state.endDate, state.endTime);
     if (!endDateTime) {
-      return { error: "End time is invalid." };
+      return { error: messages.invalidEndTime };
+    }
+
+    if (new Date(endDateTime).getTime() <= new Date(startDateTime).getTime()) {
+      return { error: messages.endBeforeStart };
     }
   }
 
@@ -605,12 +628,14 @@ function TimeField({
   label,
   value,
   onChange,
+  onBlur,
   placeholder,
   compact = false,
 }: {
   label: string;
   value: string;
   onChange: (value: string) => void;
+  onBlur?: () => void;
   placeholder?: string;
   compact?: boolean;
 }) {
@@ -626,6 +651,9 @@ function TimeField({
         placeholder={placeholder || "HH:MM:SS"}
         className={compact ? "h-9 px-2 text-xs" : ""}
         onChange={(event) => handleFormattedTimeInputChange(event, onChange)}
+        onFocus={(event) => selectTimeSegment(event.currentTarget)}
+        onClick={(event) => selectTimeSegment(event.currentTarget)}
+        onBlur={onBlur}
       />
     </div>
   );
@@ -670,6 +698,7 @@ function TagMultiSelect({
   onToggleTag,
   emptyHint,
   title,
+  onDropdownClose,
   compact = false,
   portalOwnerId,
   className = "",
@@ -681,6 +710,7 @@ function TagMultiSelect({
   onToggleTag: (tagId: string) => void;
   emptyHint: string;
   title: string;
+  onDropdownClose?: () => void;
   compact?: boolean;
   portalOwnerId?: string;
   className?: string;
@@ -692,6 +722,7 @@ function TagMultiSelect({
   const wrapperRef = useRef<HTMLDivElement>(null);
   const buttonRef = useRef<HTMLButtonElement>(null);
   const dropdownRef = useRef<HTMLDivElement>(null);
+  const wasOpenRef = useRef(false);
   const [dropdownStyle, setDropdownStyle] = useState<React.CSSProperties>({});
 
   useEffect(() => {
@@ -741,6 +772,13 @@ function TagMultiSelect({
     };
   }, [isOpen]);
 
+  useEffect(() => {
+    if (wasOpenRef.current && !isOpen) {
+      onDropdownClose?.();
+    }
+    wasOpenRef.current = isOpen;
+  }, [isOpen, onDropdownClose]);
+
   useEffect(() => {
     if (!isOpen) {
       setSearchQuery("");
@@ -1072,12 +1110,14 @@ function CompactDateTimeField({
   timeValue,
   onDateChange,
   onTimeChange,
+  onTimeBlur,
 }: {
   label: string;
   dateValue: string;
   timeValue: string;
   onDateChange: (value: string) => void;
   onTimeChange: (value: string) => void;
+  onTimeBlur?: () => void;
 }) {
   return (
     <div className="min-w-[208px]">
@@ -1100,6 +1140,9 @@ function CompactDateTimeField({
           placeholder="HH:MM:SS"
           className="h-9 min-w-[88px] border-0 bg-transparent px-2 text-xs shadow-none focus-visible:ring-0 focus-visible:ring-offset-0"
           onChange={(event) => onTimeChange(formatTimeInputValue(event.target.value))}
+          onFocus={(event) => selectTimeSegment(event.currentTarget)}
+          onClick={(event) => selectTimeSegment(event.currentTarget)}
+          onBlur={onTimeBlur}
         />
       </div>
     </div>
@@ -1111,11 +1154,15 @@ function InlineTimeRangeField({
   endTime,
   onStartTimeChange,
   onEndTimeChange,
+  onStartTimeBlur,
+  onEndTimeBlur,
 }: {
   startTime: string;
   endTime: string;
   onStartTimeChange: (value: string) => void;
   onEndTimeChange: (value: string) => void;
+  onStartTimeBlur?: () => void;
+  onEndTimeBlur?: () => void;
 }) {
   return (
     <div className="flex h-12 items-center justify-center border-s border-slate-200 px-2 text-xs text-slate-600 dark:border-slate-800 dark:text-slate-200">
@@ -1128,6 +1175,9 @@ function InlineTimeRangeField({
         placeholder="HH:MM:SS"
         className="h-9 min-w-[68px] border-0 bg-transparent dark:bg-transparent px-0 text-center text-xs shadow-none focus-visible:ring-0 focus-visible:ring-offset-0"
         onChange={(event) => handleFormattedTimeInputChange(event, onStartTimeChange)}
+        onFocus={(event) => selectTimeSegment(event.currentTarget)}
+        onClick={(event) => selectTimeSegment(event.currentTarget)}
+        onBlur={onStartTimeBlur}
       />
       <span className="px-1 text-slate-400">-</span>
       <Input
@@ -1139,6 +1189,9 @@ function InlineTimeRangeField({
         placeholder="HH:MM:SS"
         className="h-9 min-w-[68px] border-0 bg-transparent dark:bg-transparent px-0 text-center text-xs shadow-none focus-visible:ring-0 focus-visible:ring-offset-0"
         onChange={(event) => handleFormattedTimeInputChange(event, onEndTimeChange)}
+        onFocus={(event) => selectTimeSegment(event.currentTarget)}
+        onClick={(event) => selectTimeSegment(event.currentTarget)}
+        onBlur={onEndTimeBlur}
       />
     </div>
   );
@@ -1149,12 +1202,14 @@ function DateRangePopover({
   endDate,
   onStartDateChange,
   onEndDateChange,
+  onCommit,
   portalOwnerId,
 }: {
   startDate: string;
   endDate: string;
   onStartDateChange: (value: string) => void;
   onEndDateChange: (value: string) => void;
+  onCommit?: () => void;
   portalOwnerId?: string;
 }) {
   const [isOpen, setIsOpen] = useState(false);
@@ -1219,8 +1274,22 @@ function DateRangePopover({
             className="rounded-2xl border border-slate-200 bg-white p-3 shadow-xl dark:border-slate-700 dark:bg-slate-950"
           >
             <div className="grid gap-3">
-              <JalaliDatePicker label="Start date" value={startDate} onChange={onStartDateChange} />
+              <JalaliDatePicker
-              <JalaliDatePicker label="End date" value={endDate} onChange={onEndDateChange} />
+                label="Start date"
+                value={startDate}
+                onChange={(value) => {
+                  onStartDateChange(value);
+                  window.setTimeout(() => onCommit?.(), 0);
+                }}
+              />
+              <JalaliDatePicker
+                label="End date"
+                value={endDate}
+                onChange={(value) => {
+                  onEndDateChange(value);
+                  window.setTimeout(() => onCommit?.(), 0);
+                }}
+              />
             </div>
           </div>,
           document.body,
@@ -1251,6 +1320,7 @@ function EntryEditorFields({
   onChange,
   onToggleTag,
   onProjectChange,
+  onCommit,
   projects,
   tags,
   t,
@@ -1259,9 +1329,10 @@ function EntryEditorFields({
   portalOwnerId,
 }: {
   state: EntryFormState;
-  onChange: (patch: Partial<EntryFormState>) => void;
+  onChange: (patch: Partial<EntryFormState>, saveMode?: "none" | "immediate" | "debounce") => void;
   onToggleTag: (tagId: string) => void;
   onProjectChange?: (projectId: string) => void;
+  onCommit?: () => void;
   projects: Project[];
   tags: Tag[];
   t: any;
@@ -1276,7 +1347,9 @@ function EntryEditorFields({
         <div className="flex min-w-0 items-center">
           <Input
             value={state.description}
-            onChange={(event) => onChange({ description: event.target.value })}
+            onChange={(event) => {
+              onChange({ description: event.target.value }, "debounce");
+            }}
             placeholder={t.timesheet?.descriptionPlaceholder || "What are you working on?"}
             className="h-12 w-[200px] 2xl:w-[400px] shrink-0 rounded-none border-0 bg-transparent px-0 pe-3 text-sm shadow-none placeholder:text-slate-300 focus-visible:ring-0 focus-visible:ring-offset-0 truncate dark:bg-transparent dark:text-slate-100 dark:placeholder:text-slate-600"
           />
@@ -1288,7 +1361,7 @@ function EntryEditorFields({
               <ProjectInlineSelect
                 projects={projects}
                 value={state.projectId}
-                onChange={(projectId) => (onProjectChange ? onProjectChange(projectId) : onChange({ projectId }))}
+                onChange={(projectId) => (onProjectChange ? onProjectChange(projectId) : onChange({ projectId }, "immediate"))}
                 placeholder={t.timesheet?.projectLabel || "Project"}
                 searchPlaceholder={t.timesheet?.searchProjectsLabel || t.projects?.searchPlaceholder || "Search projects..."}
                 emptyLabel={t.timesheet?.noProjectsFoundLabel || "No projects found."}
@@ -1317,13 +1390,14 @@ function EntryEditorFields({
             portalOwnerId={portalOwnerId}
             className="w-full min-w-0 overflow-hidden 2xl:w-auto 2xl:max-w-none"
             buttonClassName="w-full min-w-0 max-w-full justify-start overflow-hidden 2xl:w-auto 2xl:max-w-none"
+            onDropdownClose={onCommit}
           />
         </div>
 
         <div className="w-10">
           <BillableIconButton
             checked={state.isBillable}
-            onChange={(checked) => onChange({ isBillable: checked })}
+            onChange={(checked) => onChange({ isBillable: checked }, "immediate")}
             label={t.timesheet?.billable || "Billable"}
             compact
           />
@@ -1335,6 +1409,8 @@ function EntryEditorFields({
             endTime={state.endTime}
             onStartTimeChange={(value) => onChange({ startTime: value })}
             onEndTimeChange={(value) => onChange({ endTime: value })}
+            onStartTimeBlur={onCommit}
+            onEndTimeBlur={onCommit}
           />
         </div>
 
@@ -1342,8 +1418,8 @@ function EntryEditorFields({
           <DateRangePopover
             startDate={state.startDate}
             endDate={state.endDate}
-            onStartDateChange={(value) => onChange({ startDate: value })}
+            onStartDateChange={(value) => onChange({ startDate: value }, "immediate")}
-            onEndDateChange={(value) => onChange({ endDate: value })}
+            onEndDateChange={(value) => onChange({ endDate: value }, "immediate")}
             portalOwnerId={portalOwnerId}
           />
         </div>
@@ -1358,8 +1434,10 @@ function EntryEditorFields({
           {t.timesheet?.descriptionLabel || "Description"}
         </label>
         <Input
-          value={state.description}
+            value={state.description}
-          onChange={(event) => onChange({ description: event.target.value })}
+          onChange={(event) => {
+            onChange({ description: event.target.value }, "debounce");
+          }}
           placeholder={t.timesheet?.descriptionPlaceholder || "What are you working on?"}
           className={compact ? "h-9 px-2 text-xs placeholder:text-slate-300 dark:placeholder:text-slate-600" : "placeholder:text-slate-300 dark:placeholder:text-slate-600"}
         />
@@ -1370,8 +1448,10 @@ function EntryEditorFields({
           {t.timesheet?.projectLabel || "Project"}
         </label>
         <SearchableSelect
-          value={state.projectId}
+            value={state.projectId}
-          onChange={(value) => onChange({ projectId: String(value) })}
+            onChange={(value) => {
+            onChange({ projectId: String(value) }, "immediate");
+          }}
           options={[
             { value: "", label: t.timesheet?.noProject || "No project" },
             ...projects.map((project) => ({
@@ -1393,13 +1473,16 @@ function EntryEditorFields({
           <JalaliDatePicker
             label={t.timesheet?.startLabel || "Start"}
             value={state.startDate}
-            onChange={(date) => onChange({ startDate: date })}
+            onChange={(date) => {
+              onChange({ startDate: date }, "immediate");
+            }}
             inputClassName={compact ? "h-9 px-2 text-xs" : undefined}
           />
           <TimeField
             label={t.timesheet?.timeLabel || "Time"}
             value={state.startTime}
             onChange={(value) => onChange({ startTime: value })}
+            onBlur={onCommit}
             compact={compact}
           />
         </div>
@@ -1408,13 +1491,16 @@ function EntryEditorFields({
           <JalaliDatePicker
             label={t.timesheet?.endLabel || "End"}
             value={state.endDate}
-            onChange={(date) => onChange({ endDate: date })}
+            onChange={(date) => {
+              onChange({ endDate: date }, "immediate");
+            }}
             inputClassName={compact ? "h-9 px-2 text-xs" : undefined}
           />
           <TimeField
             label={t.timesheet?.timeLabel || "Time"}
             value={state.endTime}
             onChange={(value) => onChange({ endTime: value })}
+            onBlur={onCommit}
             compact={compact}
           />
         </div>
@@ -1423,7 +1509,9 @@ function EntryEditorFields({
       <div>
         <BillableIconButton
           checked={state.isBillable}
-          onChange={(checked) => onChange({ isBillable: checked })}
+          onChange={(checked) => {
+            onChange({ isBillable: checked }, "immediate");
+          }}
           label={t.timesheet?.billable || "Billable"}
         />
       </div>
@@ -1432,6 +1520,7 @@ function EntryEditorFields({
         tags={tags}
         selectedTags={state.tags}
         onToggleTag={onToggleTag}
+        onDropdownClose={onCommit}
         emptyHint={t.timesheet?.noTagsHint || "Create tags first from the Tags page."}
         title={t.tags?.title || "Tags"}
         compact={compact}
@@ -1467,6 +1556,7 @@ function RecordedEntryCard({
   const rowRef = useRef<HTMLDivElement>(null);
   const isSavingRef = useRef(false);
   const pendingSignatureRef = useRef<string | null>(null);
+  const descriptionSaveTimeoutRef = useRef<number | null>(null);
   const editorOwnerId = `time-entry-editor-${entry.id}`;
   const timesheetCopy = (t.timesheet as { saveError?: string; saveSuccess?: string }) || {};
   const saveErrorText = timesheetCopy.saveError || "Failed to save time entry";
@@ -1483,6 +1573,10 @@ function RecordedEntryCard({
   );
 
   useEffect(() => {
+    if (descriptionSaveTimeoutRef.current) {
+      window.clearTimeout(descriptionSaveTimeoutRef.current);
+      descriptionSaveTimeoutRef.current = null;
+    }
     const nextDraft = buildEntryFormState(entry);
     const nextSignature = serializeEntryDraft(nextDraft);
     syncedSignatureRef.current = nextSignature;
@@ -1491,14 +1585,27 @@ function RecordedEntryCard({
     setValidationMessage("");
   }, [entry]);
 
+  useEffect(() => () => {
+    if (descriptionSaveTimeoutRef.current) {
+      window.clearTimeout(descriptionSaveTimeoutRef.current);
+    }
+  }, []);
+
   const isInsideEditorContext = useCallback((target: EventTarget | null) => {
     if (!(target instanceof Node)) return false;
     if (rowRef.current?.contains(target)) return true;
     return target instanceof Element && Boolean(target.closest(`[data-entry-editor-owner="${editorOwnerId}"]`));
   }, [editorOwnerId]);
 
-  const commitDraft = useCallback(async () => {
+  const validationMessages = useMemo(() => ({
-    const currentSignature = serializeEntryDraft(draft);
+    startRequired: t.timesheet?.startRequiredError || "Start date and time are required.",
+    endRequired: t.timesheet?.endRequiredError || "End date and time must both be filled.",
+    invalidEndTime: t.timesheet?.invalidEndTimeError || "End time is invalid.",
+    endBeforeStart: t.timesheet?.endBeforeStartError || "End must be after start.",
+  }), [t.timesheet]);
+
+  const commitDraftState = useCallback(async (nextDraft: EntryFormState) => {
+    const currentSignature = serializeEntryDraft(nextDraft);
     if (currentSignature === syncedSignatureRef.current) {
       setValidationMessage("");
       return false;
@@ -1508,7 +1615,7 @@ function RecordedEntryCard({
       return false;
     }
 
-    const { payload, error } = buildPayloadFromState(draft, { includeWorkspace: false });
+    const { payload, error } = buildPayloadFromState(nextDraft, { includeWorkspace: false, messages: validationMessages });
     if (!payload) {
       setValidationMessage(error || "");
       return false;
@@ -1530,56 +1637,40 @@ function RecordedEntryCard({
     } catch (error) {
       console.error(error);
       pendingSignatureRef.current = null;
-      toast.error(saveErrorText);
+      toast.error(error instanceof Error ? error.message : saveErrorText);
       return false;
     } finally {
       isSavingRef.current = false;
     }
-  }, [draft, entry.id, onEntryUpdated, saveErrorText, saveSuccessText]);
+  }, [entry.id, onEntryUpdated, saveErrorText, saveSuccessText, validationMessages]);
+
+  const commitDraft = useCallback(async () => commitDraftState(draft), [commitDraftState, draft]);
 
   const commitPatchedDraft = useCallback(async (patch: Partial<EntryFormState>) => {
     const nextDraft = { ...draft, ...patch };
-    const nextSignature = serializeEntryDraft(nextDraft);
     setDraft(nextDraft);
+    return commitDraftState(nextDraft);
+  }, [commitDraftState, draft]);
 
-    if (nextSignature === syncedSignatureRef.current) {
+  const handleDraftChange = useCallback((patch: Partial<EntryFormState>, saveMode: "none" | "immediate" | "debounce" = "none") => {
-      setValidationMessage("");
+    setDraft((current) => {
-      return false;
+      const nextDraft = { ...current, ...patch };
-    }
+      if (descriptionSaveTimeoutRef.current) {
+        window.clearTimeout(descriptionSaveTimeoutRef.current);
+        descriptionSaveTimeoutRef.current = null;
+      }
 
-    if (isSavingRef.current || pendingSignatureRef.current === nextSignature) {
+      if (saveMode === "immediate") {
-      return false;
+        window.setTimeout(() => void commitDraftState(nextDraft), 0);
-    }
+      } else if (saveMode === "debounce") {
+        descriptionSaveTimeoutRef.current = window.setTimeout(() => {
+          void commitDraftState(nextDraft);
+        }, 700);
+      }
 
-    const { payload, error } = buildPayloadFromState(nextDraft, { includeWorkspace: false });
+      return nextDraft;
-    if (!payload) {
+    });
-      setValidationMessage(error || "");
+  }, [commitDraftState]);
-      return false;
-    }
-
-    setValidationMessage("");
-    isSavingRef.current = true;
-    pendingSignatureRef.current = nextSignature;
-
-    try {
-      const updatedEntry = await updateTimeEntry(entry.id, payload);
-      const updatedDraft = buildEntryFormState(updatedEntry);
-      const updatedSignature = serializeEntryDraft(updatedDraft);
-      syncedSignatureRef.current = updatedSignature;
-      pendingSignatureRef.current = updatedSignature;
-      setDraft(updatedDraft);
-      onEntryUpdated(updatedEntry);
-      toast.success(saveSuccessText);
-      return true;
-    } catch (error) {
-      console.error(error);
-      pendingSignatureRef.current = null;
-      toast.error(saveErrorText);
-      return false;
-    } finally {
-      isSavingRef.current = false;
-    }
-  }, [draft, entry.id, onEntryUpdated, saveErrorText, saveSuccessText]);
 
   useEffect(() => {
     const handlePointerDown = (event: MouseEvent) => {
@@ -1610,8 +1701,9 @@ function RecordedEntryCard({
         <div className="space-y-4">
           <EntryEditorFields
             state={draft}
-            onChange={(patch) => setDraft((current) => ({ ...current, ...patch }))}
+            onChange={handleDraftChange}
-            onToggleTag={(tagId) => setDraft((current) => ({ ...current, tags: toggleTagId(current.tags, tagId) }))}
+            onCommit={commitDraft}
+            onToggleTag={(tagId) => handleDraftChange({ tags: toggleTagId(draft.tags, tagId) })}
             onProjectChange={(projectId) => void commitPatchedDraft({ projectId })}
             projects={editorProjects}
             tags={editorTags}
@@ -1660,8 +1752,9 @@ function RecordedEntryCard({
       <div className="flex min-w-0 items-center">
         <EntryEditorFields
           state={draft}
-          onChange={(patch) => setDraft((current) => ({ ...current, ...patch }))}
+          onChange={handleDraftChange}
-          onToggleTag={(tagId) => setDraft((current) => ({ ...current, tags: toggleTagId(current.tags, tagId) }))}
+          onCommit={commitDraft}
+          onToggleTag={(tagId) => handleDraftChange({ tags: toggleTagId(draft.tags, tagId) })}
           onProjectChange={(projectId) => void commitPatchedDraft({ projectId })}
           projects={editorProjects}
           tags={editorTags}
@@ -1725,8 +1818,11 @@ function MobileRecordedEntryCard({
   const buttonRef = useRef<HTMLButtonElement>(null);
   const dropdownRef = useRef<HTMLDivElement>(null);
   const touchStartXRef = useRef<number | null>(null);
+  const touchStartYRef = useRef<number | null>(null);
+  const touchGestureRef = useRef<"pending" | "swipe" | "scroll">("pending");
   const [menuOpen, setMenuOpen] = useState(false);
   const [swipeOffset, setSwipeOffset] = useState(0);
+  const [touchGesture, setTouchGesture] = useState<"pending" | "swipe" | "scroll">("pending");
   const [menuStyle, setMenuStyle] = useState<React.CSSProperties>({});
 
   useEffect(() => {
@@ -1780,6 +1876,9 @@ function MobileRecordedEntryCard({
 
   const closeSwipe = () => {
     touchStartXRef.current = null;
+    touchStartYRef.current = null;
+    touchGestureRef.current = "pending";
+    setTouchGesture("pending");
     setSwipeOffset(0);
   };
 
@@ -1788,15 +1887,40 @@ function MobileRecordedEntryCard({
       setMenuOpen(false);
     }
     touchStartXRef.current = event.touches[0]?.clientX ?? null;
+    touchStartYRef.current = event.touches[0]?.clientY ?? null;
+    touchGestureRef.current = "pending";
+    setTouchGesture("pending");
   };
 
   const handleTouchMove = (event: React.TouchEvent<HTMLDivElement>) => {
-    if (touchStartXRef.current === null) return;
+    if (touchStartXRef.current === null || touchStartYRef.current === null) return;
-    const delta = (event.touches[0]?.clientX ?? 0) - touchStartXRef.current;
+    const deltaX = (event.touches[0]?.clientX ?? 0) - touchStartXRef.current;
-    setSwipeOffset(Math.max(-88, Math.min(88, delta)));
+    const deltaY = (event.touches[0]?.clientY ?? 0) - touchStartYRef.current;
+    const absX = Math.abs(deltaX);
+    const absY = Math.abs(deltaY);
+
+    if (touchGestureRef.current === "pending" && (absX > 8 || absY > 8)) {
+      touchGestureRef.current = absX > absY + 8 ? "swipe" : "scroll";
+      setTouchGesture(touchGestureRef.current);
+    }
+
+    if (touchGestureRef.current === "scroll") {
+      setSwipeOffset(0);
+      return;
+    }
+
+    if (touchGestureRef.current === "swipe") {
+      event.preventDefault();
+      setSwipeOffset(Math.max(-88, Math.min(88, deltaX)));
+    }
   };
 
   const handleTouchEnd = () => {
+    if (touchGestureRef.current !== "swipe") {
+      closeSwipe();
+      return;
+    }
+
     if (swipeOffset <= -72) {
       closeSwipe();
       onDelete(entry);
@@ -1823,7 +1947,7 @@ function MobileRecordedEntryCard({
 
       <div
         className="relative bg-white px-4 py-5 transition-transform duration-150 ease-out dark:bg-slate-900/95"
-        style={{ transform: `translateX(${swipeOffset}px)` }}
+        style={{ transform: `translateX(${swipeOffset}px)`, touchAction: touchGesture === "swipe" ? "none" : "pan-y" }}
         onTouchStart={handleTouchStart}
         onTouchMove={handleTouchMove}
         onTouchEnd={handleTouchEnd}
@@ -2065,6 +2189,10 @@ export default function Timesheet() {
     noTagsFoundLabel?: string;
     searchProjectsLabel?: string;
     noProjectsFoundLabel?: string;
+    startRequiredError?: string;
+    endRequiredError?: string;
+    invalidEndTimeError?: string;
+    endBeforeStartError?: string;
   }) || {};
 
   const [projects, setProjects] = useState<Project[]>([]);
@@ -2111,6 +2239,7 @@ export default function Timesheet() {
   const timerDraftSignatureRef = useRef(serializeTimerDraft(EMPTY_TIMER_DRAFT));
   const pendingTimerSignatureRef = useRef<string | null>(serializeTimerDraft(EMPTY_TIMER_DRAFT));
   const isTimerSavingRef = useRef(false);
+  const timerDescriptionSaveTimeoutRef = useRef<number | null>(null);
   const timerEditorOwnerId = "running-timer-editor";
 
   const [deleteModal, setDeleteModal] = useState<{ isOpen: boolean; entry: TimeEntry | null }>({
@@ -2149,6 +2278,17 @@ export default function Timesheet() {
     () => buildTagOptionsForEntry(tags, editingEntry, formState.tags),
     [editingEntry, formState.tags, tags],
   );
+  const entryValidationMessages = useMemo(() => ({
+    startRequired: extendedTimesheet.startRequiredError || "Start date and time are required.",
+    endRequired: extendedTimesheet.endRequiredError || "End date and time must both be filled.",
+    invalidEndTime: extendedTimesheet.invalidEndTimeError || "End time is invalid.",
+    endBeforeStart: extendedTimesheet.endBeforeStartError || "End must be after start.",
+  }), [
+    extendedTimesheet.endBeforeStartError,
+    extendedTimesheet.endRequiredError,
+    extendedTimesheet.invalidEndTimeError,
+    extendedTimesheet.startRequiredError,
+  ]);
 
   useEffect(() => {
     if (!runningEntry) return;
@@ -2299,6 +2439,11 @@ export default function Timesheet() {
   }, [loadRunningEntry]);
 
   useEffect(() => {
+    if (timerDescriptionSaveTimeoutRef.current) {
+      window.clearTimeout(timerDescriptionSaveTimeoutRef.current);
+      timerDescriptionSaveTimeoutRef.current = null;
+    }
+
     if (!runningEntry) {
       setTimerClockAnchor(null);
       timerDraftSignatureRef.current = serializeTimerDraft(EMPTY_TIMER_DRAFT);
@@ -2313,19 +2458,25 @@ export default function Timesheet() {
     setTimerDraft(nextDraft);
   }, [runningEntry]);
 
+  useEffect(() => () => {
+    if (timerDescriptionSaveTimeoutRef.current) {
+      window.clearTimeout(timerDescriptionSaveTimeoutRef.current);
+    }
+  }, []);
+
   const isInsideTimerEditorContext = useCallback((target: EventTarget | null) => {
     if (!(target instanceof Node)) return false;
     if (desktopTimerRef.current?.contains(target) || mobileTimerRef.current?.contains(target)) return true;
     return target instanceof Element && Boolean(target.closest(`[data-entry-editor-owner="${timerEditorOwnerId}"]`));
   }, [timerEditorOwnerId]);
 
-  const commitTimerDraft = useCallback(async () => {
+  const commitTimerDraftState = useCallback(async (nextDraft: TimerDraftState) => {
     const saveErrorText = extendedTimesheet.saveError || "Failed to save time entry";
     const saveSuccessText = extendedTimesheet.saveSuccess || "Time entry saved";
 
     if (!runningEntry) return false;
 
-    const currentSignature = serializeTimerDraft(timerDraft);
+    const currentSignature = serializeTimerDraft(nextDraft);
     if (currentSignature === timerDraftSignatureRef.current) {
       return false;
     }
@@ -2339,10 +2490,10 @@ export default function Timesheet() {
 
     try {
       const updatedEntry = await updateTimeEntry(runningEntry.id, {
-        description: timerDraft.description.trim(),
+        description: nextDraft.description.trim(),
-        project_id: timerDraft.projectId || null,
+        project_id: nextDraft.projectId || null,
-        tags: timerDraft.tags,
+        tags: nextDraft.tags,
-        is_billable: timerDraft.isBillable,
+        is_billable: nextDraft.isBillable,
       });
 
       const syncedDraft = buildTimerDraftState(updatedEntry);
@@ -2360,12 +2511,34 @@ export default function Timesheet() {
     } catch (error) {
       console.error(error);
       pendingTimerSignatureRef.current = null;
-      toast.error(saveErrorText);
+      toast.error(error instanceof Error ? error.message : saveErrorText);
       return false;
     } finally {
       isTimerSavingRef.current = false;
     }
-  }, [extendedTimesheet.saveError, extendedTimesheet.saveSuccess, runningEntry, timerDraft]);
+  }, [extendedTimesheet.saveError, extendedTimesheet.saveSuccess, runningEntry]);
+
+  const commitTimerDraft = useCallback(async () => commitTimerDraftState(timerDraft), [commitTimerDraftState, timerDraft]);
+
+  const updateTimerDraft = useCallback((patch: Partial<TimerDraftState>, saveMode: "none" | "immediate" | "debounce" = "none") => {
+    setTimerDraft((current) => {
+      const nextDraft = { ...current, ...patch };
+      if (timerDescriptionSaveTimeoutRef.current) {
+        window.clearTimeout(timerDescriptionSaveTimeoutRef.current);
+        timerDescriptionSaveTimeoutRef.current = null;
+      }
+
+      if (saveMode === "immediate") {
+        window.setTimeout(() => void commitTimerDraftState(nextDraft), 0);
+      } else if (saveMode === "debounce") {
+        timerDescriptionSaveTimeoutRef.current = window.setTimeout(() => {
+          void commitTimerDraftState(nextDraft);
+        }, 700);
+      }
+
+      return nextDraft;
+    });
+  }, [commitTimerDraftState]);
 
   useEffect(() => {
     if (!runningEntry) return;
@@ -2407,12 +2580,14 @@ export default function Timesheet() {
     setFormState(buildEntryFormState(entry));
   };
 
-  const handleSaveEntryModal = async () => {
+  const handleSaveEntryModal = async (event?: React.FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (modalMode === "manual" && !activeWorkspace?.id) return;
 
     const { payload, error } = buildPayloadFromState(formState, {
       includeWorkspace: modalMode === "manual",
       workspaceId: activeWorkspace?.id,
+      messages: entryValidationMessages,
     });
 
     if (!payload) {
@@ -2438,7 +2613,7 @@ export default function Timesheet() {
       setFormState(EMPTY_FORM);
     } catch (error) {
       console.error(error);
-      toast.error(t.timesheet?.saveError || "Failed to save time entry");
+      toast.error(error instanceof Error ? error.message : (t.timesheet?.saveError || "Failed to save time entry"));
     } finally {
       setIsSaving(false);
     }
@@ -2535,7 +2710,8 @@ export default function Timesheet() {
     setDiscardTimerModal({ isOpen: false, entry: null });
   };
 
-  const confirmDelete = async () => {
+  const confirmDelete = async (event?: React.FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (!deleteModal.entry) return;
 
     try {
@@ -2567,7 +2743,8 @@ export default function Timesheet() {
     }
   };
 
-  const confirmRestart = async () => {
+  const confirmRestart = async (event?: React.FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (!restartModal.entry) return;
 
     try {
@@ -2709,7 +2886,7 @@ export default function Timesheet() {
             <Input
             value={timerDraft.description}
             placeholder={t.timesheet?.descriptionPlaceholder || "What are you working on?"}
-            onChange={(event) => setTimerDraft((current) => ({ ...current, description: event.target.value }))}
+            onChange={(event) => updateTimerDraft({ description: event.target.value }, "debounce")}
             disabled={isStartingTimer}
             className="h-12 rounded-none border-0 bg-transparent px-5 text-sm shadow-none placeholder:text-slate-300 focus-visible:ring-0 focus-visible:ring-offset-0 dark:bg-transparent dark:placeholder:text-slate-600"
             />
@@ -2718,7 +2895,7 @@ export default function Timesheet() {
           <div className="flex shrink-0 items-center">
             <SearchableSelect
               value={timerDraft.projectId}
-              onChange={(value) => setTimerDraft((current) => ({ ...current, projectId: String(value) }))}
+              onChange={(value) => updateTimerDraft({ projectId: String(value) }, "immediate")}
               options={[
                 { value: "", label: t.timesheet?.projectLabel || "Project" },
                 ...runningTimerProjects.map((project) => ({
@@ -2740,9 +2917,8 @@ export default function Timesheet() {
             <TagMultiSelect
               tags={runningTimerTags}
               selectedTags={timerDraft.tags}
-              onToggleTag={(tagId) =>
+              onToggleTag={(tagId) => updateTimerDraft({ tags: toggleTagId(timerDraft.tags, tagId) })}
-                setTimerDraft((current) => ({ ...current, tags: toggleTagId(current.tags, tagId) }))
+              onDropdownClose={() => void commitTimerDraft()}
-              }
               emptyHint={t.timesheet?.noTagsHint || "Create tags first from the Tags page."}
               title={t.tags?.title || "Tags"}
               compact
@@ -2755,7 +2931,7 @@ export default function Timesheet() {
           <div className="flex shrink-0 items-center">
             <BillableIconButton
               checked={timerDraft.isBillable}
-              onChange={(checked) => setTimerDraft((current) => ({ ...current, isBillable: checked }))}
+              onChange={(checked) => updateTimerDraft({ isBillable: checked }, "immediate")}
               label={t.timesheet?.billable || "Billable"}
               disabled={isStartingTimer}
               compact
@@ -2817,7 +2993,7 @@ export default function Timesheet() {
           <Input
             value={timerDraft.description}
             placeholder={t.timesheet?.descriptionPlaceholder || "What are you working on?"}
-            onChange={(event) => setTimerDraft((current) => ({ ...current, description: event.target.value }))}
+            onChange={(event) => updateTimerDraft({ description: event.target.value }, "debounce")}
             disabled={isStartingTimer}
             className="h-10 border-slate-200 bg-slate-50 text-sm placeholder:text-slate-300 dark:border-slate-700 dark:bg-slate-900 dark:placeholder:text-slate-600"
           />
@@ -2825,7 +3001,7 @@ export default function Timesheet() {
           <div className="grid grid-cols-[minmax(0,1fr)_auto] gap-2">
             <SearchableSelect
               value={timerDraft.projectId}
-              onChange={(value) => setTimerDraft((current) => ({ ...current, projectId: String(value) }))}
+              onChange={(value) => updateTimerDraft({ projectId: String(value) }, "immediate")}
               options={[
                 { value: "", label: t.timesheet?.projectLabel || "Project" },
                 ...runningTimerProjects.map((project) => ({
@@ -2852,9 +3028,8 @@ export default function Timesheet() {
               <TagMultiSelect
                 tags={runningTimerTags}
                 selectedTags={timerDraft.tags}
-                onToggleTag={(tagId) =>
+                onToggleTag={(tagId) => updateTimerDraft({ tags: toggleTagId(timerDraft.tags, tagId) })}
-                  setTimerDraft((current) => ({ ...current, tags: toggleTagId(current.tags, tagId) }))
+                onDropdownClose={() => void commitTimerDraft()}
-                }
                 emptyHint={t.timesheet?.noTagsHint || "Create tags first from the Tags page."}
                 title={t.tags?.title || "Tags"}
                 compact
@@ -2863,7 +3038,7 @@ export default function Timesheet() {
 
               <BillableIconButton
                 checked={timerDraft.isBillable}
-                onChange={(checked) => setTimerDraft((current) => ({ ...current, isBillable: checked }))}
+                onChange={(checked) => updateTimerDraft({ isBillable: checked }, "immediate")}
                 label={t.timesheet?.billable || "Billable"}
                 disabled={isStartingTimer}
                 compact
@@ -3045,21 +3220,23 @@ export default function Timesheet() {
             <Button variant="secondary" onClick={closeCreateModal}>
               {t.actions?.cancel || "Cancel"}
             </Button>
-            <Button onClick={() => void handleSaveEntryModal()} disabled={isSaving}>
+            <Button type="submit" form="time-entry-modal-form" disabled={isSaving}>
               {isSaving ? "..." : (modalMode === "edit" ? (t.save || "Save") : (t.create || "Create"))}
             </Button>
           </>
         }
       >
-        <EntryEditorFields
+        <form id="time-entry-modal-form" onSubmit={handleSaveEntryModal}>
-          state={formState}
+          <EntryEditorFields
-          onChange={(patch) => setFormState((current) => ({ ...current, ...patch }))}
+            state={formState}
-          onToggleTag={(tagId) => setFormState((current) => ({ ...current, tags: toggleTagId(current.tags, tagId) }))}
+            onChange={(patch) => setFormState((current) => ({ ...current, ...patch }))}
-          projects={modalProjects}
+            onToggleTag={(tagId) => setFormState((current) => ({ ...current, tags: toggleTagId(current.tags, tagId) }))}
-          tags={modalTags}
+            projects={modalProjects}
-          t={t}
+            tags={modalTags}
-          isRtl={isRtl}
+            t={t}
-        />
+            isRtl={isRtl}
+          />
+        </form>
       </Modal>
 
       {deleteModal.entry && (
@@ -3073,13 +3250,13 @@ export default function Timesheet() {
               <Button variant="secondary" onClick={closeDeleteModal}>
                 {t.actions?.cancel || "Cancel"}
               </Button>
-              <Button variant="destructive" onClick={confirmDelete} disabled={isDeleting}>
+              <Button type="submit" form="delete-time-entry-form" variant="destructive" disabled={isDeleting}>
                 {isDeleting ? "..." : (t.actions?.delete || "Delete")}
               </Button>
             </>
           }
         >
-          <div className="space-y-3">
+          <form id="delete-time-entry-form" onSubmit={confirmDelete} className="space-y-3">
             <p className="text-sm leading-relaxed text-slate-600 dark:text-slate-400">
               {extendedTimesheet.deleteConfirmMessage || t.timesheet?.deleteConfirmMessage || "Are you sure you want to delete this time entry?"}
             </p>
@@ -3092,7 +3269,7 @@ export default function Timesheet() {
                 {deleteModal.entry.end_time ? ` - ${formatDateTime(deleteModal.entry.end_time, lang)}` : ""}
               </p>
             </div>
-          </div>
+          </form>
         </Modal>
       )}
 
@@ -3107,13 +3284,13 @@ export default function Timesheet() {
               <Button variant="secondary" onClick={closeRestartModal}>
                 {t.actions?.cancel || "Cancel"}
               </Button>
-              <Button onClick={() => void confirmRestart()} disabled={isRestarting}>
+              <Button type="submit" form="restart-time-entry-form" disabled={isRestarting}>
                 {isRestarting ? "..." : (t.timesheet?.startTimer || "Start")}
               </Button>
             </>
           }
         >
-          <div className="space-y-3">
+          <form id="restart-time-entry-form" onSubmit={confirmRestart} className="space-y-3">
             <p className="text-sm leading-relaxed text-slate-600 dark:text-slate-400">
               {extendedTimesheet.restartConfirmMessage || t.timesheet?.restartConfirmMessage || "Start a new running timer from this entry?"}
             </p>
@@ -3126,7 +3303,7 @@ export default function Timesheet() {
                 {restartModal.entry.end_time ? ` - ${formatDateTime(restartModal.entry.end_time, lang)}` : ""}
               </p>
             </div>
-          </div>
+          </form>
         </Modal>
       )}
 
@@ -3141,13 +3318,20 @@ export default function Timesheet() {
               <Button variant="secondary" onClick={closeDiscardTimerModal}>
                 {t.actions?.cancel || "Cancel"}
               </Button>
-              <Button variant="destructive" onClick={() => void handleDiscardTimerDraft()} disabled={isDiscardingTimer}>
+              <Button type="submit" form="discard-timer-form" variant="destructive" disabled={isDiscardingTimer}>
                 {isDiscardingTimer ? "..." : ((t.actions as { discard?: string } | undefined)?.discard || "Discard")}
               </Button>
             </>
           }
         >
-          <div className="space-y-3">
+          <form
+            id="discard-timer-form"
+            onSubmit={(event) => {
+              event.preventDefault();
+              void handleDiscardTimerDraft();
+            }}
+            className="space-y-3"
+          >
             <p className="text-sm leading-relaxed text-slate-600 dark:text-slate-400">
               {extendedTimesheet.discardConfirmMessage || t.timesheet?.discardConfirmMessage || "Are you sure you want to discard this running timer?"}
             </p>
@@ -3159,7 +3343,7 @@ export default function Timesheet() {
                 {formatDateTime(discardTimerModal.entry.start_time, lang)}
               </p>
             </div>
-          </div>
+          </form>
         </Modal>
       )}
 

src/pages/Workspaces.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState } from 'react';
+import { useEffect, useState, type FormEvent } from 'react';
 import { useNavigate, useSearchParams } from 'react-router-dom';
 import { Plus, Trash2, Pencil, Eye, LayoutDashboard } from 'lucide-react';
 import { toast } from 'sonner';
@@ -94,7 +94,8 @@ export default function Workspaces() {
     }
   };
 
-  const confirmDelete = async () => {
+  const confirmDelete = async (event?: FormEvent<HTMLFormElement>) => {
+    event?.preventDefault();
     if (!deleteModal.workspace) return;
     try {
       const deletedId = deleteModal.workspace.id;
@@ -275,7 +276,8 @@ export default function Workspaces() {
               <Button 
                 variant="destructive"
                 disabled={deleteInput !== deleteModal.workspace.name}
-                onClick={confirmDelete} 
+                type="submit"
+                form="delete-workspace-form"
                 className="rounded-xl font-semibold"
               >
                 {t.actions?.delete || 'Delete'}
@@ -283,7 +285,7 @@ export default function Workspaces() {
             </>
           }
         >
-          <div className="flex flex-col gap-4">
+          <form id="delete-workspace-form" onSubmit={confirmDelete} className="flex flex-col gap-4">
             <p className="text-slate-600 dark:text-slate-400 text-sm leading-relaxed">
               {t.workspace?.deleteWarning || 'To confirm deletion, please type the workspace name:'} <strong className="text-slate-900 dark:text-white select-all">{deleteModal.workspace.name}</strong>
             </p>
@@ -294,7 +296,7 @@ export default function Workspaces() {
               onChange={(e) => setDeleteInput(e.target.value)}
               placeholder={deleteModal.workspace.name}
             />
-          </div>
+          </form>
         </Modal>
       )}
     </div>