feat(tender-details): enhance tender details page with improved layout and error handling

- Added SectionHeading and ExternalLinkIcon components for better structure and visual appeal.
- Improved error handling UI when tender data fails to load, providing user-friendly messages and navigation options.
- Refactored ShowcaseSection to accept additional className and rootClassName props for more flexible styling.
- Updated TendersTable to streamline action buttons and improve layout consistency.

src/app/tenders/[details]/page.tsx

@@ -6,7 +6,8 @@ import Loading from "@/components/loading";
 import Status from "@/components/ui/Status";
 import { useTenderDetailQuery } from "@/hooks/queries";
 import { useGetFlagQuery } from "@/hooks/queries/useFlagsQueries";
-import { isValidAlpha2CountryCode, msToDate } from "@/utils/shared";
+import { cn } from "@/lib/utils";
+import { isValidAlpha2CountryCode, msToDate, truncateString } from "@/utils/shared";
 import getSymbolFromCurrency from "currency-symbol-map";
 import Link from "next/link";
 import { use } from "react";
@@ -17,6 +18,43 @@ interface IProps {
   }>;
 }
 
+function SectionHeading({ children }: { children: React.ReactNode }) {
+  return (
+    <div className="mb-4 flex items-center gap-3">
+      <span className="h-px flex-1 bg-gradient-to-r from-stroke/0 via-stroke/80 to-stroke/0 dark:from-dark-3/0 dark:via-dark-3 dark:to-dark-3/0" />
+      <h2 className="shrink-0 text-[11px] font-semibold uppercase tracking-[0.2em] text-dark-5 dark:text-dark-6">
+        {children}
+      </h2>
+      <span className="h-px flex-1 bg-gradient-to-l from-stroke/0 via-stroke/80 to-stroke/0 dark:from-dark-3/0 dark:via-dark-3 dark:to-dark-3/0" />
+    </div>
+  );
+}
+
+function ExternalLinkIcon({ className }: { className?: string }) {
+  return (
+    <svg
+      className={cn("h-4 w-4 shrink-0", className)}
+      fill="none"
+      viewBox="0 0 24 24"
+      stroke="currentColor"
+      strokeWidth={2}
+      aria-hidden
+    >
+      <path
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14"
+      />
+    </svg>
+  );
+}
+
+/** Grid row stretch: center value vertically under the title */
+const TIMELINE_SHOWCASE = {
+  rootClassName: "flex h-full min-h-0 flex-col",
+  className: "flex min-h-0 flex-1 flex-col justify-center",
+} as const;
+
 const TenderDetails = ({ params }: IProps) => {
   const { details } = use(params);
   const { data, isLoading, isError } = useTenderDetailQuery(details);
@@ -31,86 +69,187 @@ const TenderDetails = ({ params }: IProps) => {
     { name: "Tenders", href: "/tenders" },
     { name: "Tender details", href: `/tenders/${details}` },
   ];
+
   if (isLoading) return <Loading />;
-  if (isError) return <div>Error</div>;
+  if (isError) {
     return (
       <>
         <Breadcrumb items={breadcrumbItems} />
-      <ShowcaseSection className="!p-6.5">
-        <div className="flex justify-between border-b pb-4">
-          <p>{data?.data.title}</p>
-          <Status status={data?.data.status ?? "Unknown"}>
-            {data?.data.status}
-          </Status>
+        <ShowcaseSection className="!p-8 sm:!p-10">
+          <div className="flex flex-col items-center justify-center gap-3 py-12 text-center">
+            <p className="text-lg font-semibold text-dark dark:text-white">
+              We couldn&apos;t load this tender
+            </p>
+            <p className="max-w-sm text-sm text-dark-5 dark:text-dark-6">
+              Check your connection or try again. You can go back to the tender list anytime.
+            </p>
+            <Link
+              href="/tenders"
+              className="mt-2 inline-flex items-center justify-center rounded-xl bg-primary px-5 py-2.5 text-sm font-medium text-white shadow-theme-xs transition hover:bg-primary/90"
+            >
+              Back to tenders
+            </Link>
           </div>
-        <div className="mt-4 flex justify-between gap-2 border-b pb-4">
+        </ShowcaseSection>
+      </>
+    );
+  }
+
+  const tender = data!.data;
+  const submissionUrl = tender.submission_url?.trim();
+
+  return (
+    <>
+      <Breadcrumb items={breadcrumbItems} />
+      <ShowcaseSection
+        title={
+          <div className="flex flex-col gap-5 lg:flex-row lg:items-start lg:justify-between">
+            <div className="min-w-0 space-y-2">
+              <p className="text-[11px] font-semibold uppercase tracking-[0.18em] text-primary">
+                Tender
+              </p>
+              <h1 className="text-balance text-xl font-bold leading-tight text-dark dark:text-white sm:text-2xl lg:text-[1.65rem]">
+                {tender.title}
+              </h1>
+            </div>
+            <div className="flex shrink-0 flex-col gap-3 sm:flex-row sm:items-center sm:justify-end">
+              <Status status={tender.status ?? "Unknown"}>{tender.status}</Status>
+              {submissionUrl && (
+                <Link
+                  href={submissionUrl}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  className="inline-flex items-center justify-center gap-2 rounded-xl bg-primary px-4 py-2.5 text-sm font-medium text-white shadow-theme-xs transition hover:bg-primary/90 hover:shadow-md"
+                >
+                  <span>Open submission</span>
+                  <ExternalLinkIcon className="opacity-90" />
+                </Link>
+              )}
+            </div>
+          </div>
+        }
+        className="!p-0"
+      >
+        <div className="space-y-10 px-4 pb-8 pt-2 sm:px-6 sm:pb-10 xl:px-10">
+          <div>
+            <SectionHeading>Procurement</SectionHeading>
+            <div className="grid gap-4 sm:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-5">
               <ShowcaseSection title="Tender ID">
-            {data?.data.tender_id}
+                <span className="font-medium text-dark dark:text-white">{tender.tender_id}</span>
               </ShowcaseSection>
-          <ShowcaseSection title="Buyer Organization">
-            {data?.data.buyer_organization.name}
+              <ShowcaseSection title="Buyer organization" className="sm:col-span-2 xl:col-span-1 2xl:col-span-2">
+                <span className="font-medium text-dark dark:text-white">
+                  {tender.buyer_organization.name}
+                </span>
               </ShowcaseSection>
-          <ShowcaseSection title="Notice Publication Id">
-            {data?.data.notice_publication_id}
+              <ShowcaseSection title="Notice publication ID">
+                <span className="font-medium text-dark dark:text-white">
+                  {tender.notice_publication_id}
+                </span>
               </ShowcaseSection>
-          <ShowcaseSection title="Procedure Code">
-            {data?.data.procedure_code}
+              <ShowcaseSection title="Procedure code">
+                <span className="font-medium text-dark dark:text-white">{tender.procedure_code}</span>
               </ShowcaseSection>
-          <ShowcaseSection title="Procurement Type Code">
-            {data?.data.procurement_type_code}
+              <ShowcaseSection title="Procurement type">
+                <span className="font-medium text-dark dark:text-white">
+                  {tender.procurement_type_code}
+                </span>
               </ShowcaseSection>
             </div>
-        <div className="mt-4 flex justify-between gap-2 border-b pb-4">
-          <ShowcaseSection title="Application Deadline">
-            <span>{msToDate(data?.data.application_deadline ?? 0)}</span>
+          </div>
+
+          <div>
+            <SectionHeading>Timeline</SectionHeading>
+            <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-5">
+              <ShowcaseSection title="Application deadline" {...TIMELINE_SHOWCASE}>
+                <time className="font-medium tabular-nums text-dark dark:text-white">
+                  {msToDate(tender.application_deadline ?? 0)}
+                </time>
               </ShowcaseSection>
-          {data?.data.submission_url && (
-            <ShowcaseSection title="Submission Url">
-              <Link href={data?.data.submission_url ?? ""} target="_blank">
-                {data?.data.submission_url}
+              <ShowcaseSection title="Publication date" {...TIMELINE_SHOWCASE}>
+                <time className="font-medium tabular-nums text-dark dark:text-white">
+                  {msToDate(tender.publication_date ?? 0)}
+                </time>
+              </ShowcaseSection>
+              <ShowcaseSection title="Submission deadline" {...TIMELINE_SHOWCASE}>
+                <time className="font-medium tabular-nums text-dark dark:text-white">
+                  {msToDate(tender.submission_deadline ?? 0)}
+                </time>
+              </ShowcaseSection>
+              <ShowcaseSection title="Tender deadline" {...TIMELINE_SHOWCASE}>
+                <time className="font-medium tabular-nums text-dark dark:text-white">
+                  {msToDate(tender.tender_deadline ?? 0)}
+                </time>
+              </ShowcaseSection>
+              {submissionUrl && (
+                <ShowcaseSection title="Submission URL" {...TIMELINE_SHOWCASE}>
+                  <Link
+                    href={submissionUrl}
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className="inline-flex max-w-full items-center gap-1.5 break-all font-medium text-primary underline-offset-4 hover:underline"
+                  >
+                    <ExternalLinkIcon className="shrink-0" />
+                    {truncateString(submissionUrl, 42)}
                   </Link>
                 </ShowcaseSection>
               )}
-
-          <ShowcaseSection title="Publication Deadline">
-            <span>{msToDate(data?.data.publication_date ?? 0)}</span>
-          </ShowcaseSection>
-          <ShowcaseSection title="Submission Deadline">
-            <span>{msToDate(data?.data.submission_deadline ?? 0)}</span>
-          </ShowcaseSection>
-          <ShowcaseSection title="Tender Deadline">
-            <span>{msToDate(data?.data.tender_deadline ?? 0)}</span>
-          </ShowcaseSection>
             </div>
-        <div className="mt-4 flex justify-between border-b pb-4">
+          </div>
+
           <div>
-            <h2 className="mb-6 text-lg font-semibold">Country</h2>
-            <div className="flex items-center gap-1">
+            <SectionHeading>Location & currency</SectionHeading>
+            <div className="grid gap-4 sm:grid-cols-2 lg:max-w-3xl">
+              <div className="relative overflow-hidden rounded-2xl border border-stroke/70 bg-gradient-to-br from-white via-gray-2/30 to-primary/[0.06] p-5 shadow-theme-xs dark:border-dark-3 dark:from-gray-dark dark:via-gray-dark dark:to-primary/[0.12]">
+                <div className="pointer-events-none absolute -right-8 top-0 h-24 w-24 rounded-full bg-primary/15 blur-2xl dark:bg-primary/25" />
+                <h3 className="mb-4 text-xs font-semibold uppercase tracking-wide text-dark-5 dark:text-dark-6">
+                  Country
+                </h3>
+                <div className="flex items-center gap-3">
+                  <span className="flex h-11 w-11 items-center justify-center rounded-xl bg-white/80 text-primary shadow-inner dark:bg-dark-2/80">
                     <LocationIcon />
-              <p className="text-sm uppercase">{data?.data.country_code}</p>
+                  </span>
+                  <div className="flex flex-wrap items-center gap-2">
+                    <span className="text-sm font-semibold uppercase tracking-wide text-dark dark:text-white">
+                      {tender.country_code}
+                    </span>
                     {flagData && (
                       <div
                         dangerouslySetInnerHTML={{ __html: flagData }}
-                  className="flex w-7 items-center justify-center overflow-hidden rounded-md border p-0"
+                        className="flex h-8 w-11 items-center justify-center overflow-hidden rounded-lg border border-stroke/60 shadow-sm dark:border-dark-3"
                       />
                     )}
                   </div>
                 </div>
-          {data?.data.currency && (
-            <div>
-              <h2 className="mb-6 text-lg font-semibold">Currency</h2>
-              <div className="flex items-center gap-1">
-                <p className="text-sm uppercase">{data?.data.currency}</p>
-                <p>{getSymbolFromCurrency(data?.data.currency ?? "USD")}</p>
+              </div>
+
+              {tender.currency && (
+                <div className="relative overflow-hidden rounded-2xl border border-stroke/70 bg-gradient-to-br from-white via-gray-2/30 to-purple-500/[0.06] p-5 shadow-theme-xs dark:border-dark-3 dark:from-gray-dark dark:via-gray-dark dark:to-purple-500/[0.12]">
+                  <div className="pointer-events-none absolute -left-6 bottom-0 h-20 w-20 rounded-full bg-purple-500/15 blur-2xl dark:bg-purple-500/25" />
+                  <h3 className="mb-4 text-xs font-semibold uppercase tracking-wide text-dark-5 dark:text-dark-6">
+                    Currency
+                  </h3>
+                  <div className="flex items-baseline gap-2">
+                    <span className="text-2xl font-bold tabular-nums text-dark dark:text-white">
+                      {tender.currency}
+                    </span>
+                    <span className="text-lg font-medium text-dark-5 dark:text-dark-6">
+                      {getSymbolFromCurrency(tender.currency ?? "USD")}
+                    </span>
                   </div>
                 </div>
               )}
-
-          <div></div>
             </div>
-        <div className="mt-4">
-          <h2 className="mb-6 text-lg font-semibold">Description</h2>
-          <p>{data?.data.description}</p>
+          </div>
+
+          <div>
+            <SectionHeading>Description</SectionHeading>
+            <div className="rounded-2xl border border-stroke/60 bg-gray-2/40 p-6 shadow-inner dark:border-dark-3 dark:bg-dark-3/30">
+              <p className="whitespace-pre-wrap text-sm leading-relaxed text-dark dark:text-white/90">
+                {tender.description || "—"}
+              </p>
+            </div>
+          </div>
         </div>
       </ShowcaseSection>
     </>

src/components/Layouts/showcase-section.tsx

@@ -4,16 +4,24 @@ import type { ReactNode } from "react";
 type PropsType = {
   title?: string | ReactNode;
   children: ReactNode;
+  /** Merges into the padded content wrapper below the title */
   className?: string;
+  /** Merges into the outer card (e.g. `h-full flex flex-col` for grid rows) */
+  rootClassName?: string;
 };
 
-export function ShowcaseSection({ title, children, className }: PropsType) {
+export function ShowcaseSection({ title, children, className, rootClassName }: PropsType) {
   return (
-    <div className="relative overflow-hidden rounded-2xl border border-stroke/70 bg-gradient-to-br from-white via-white to-primary/[0.03] shadow-theme-xs dark:border-dark-3 dark:from-gray-dark dark:via-gray-dark dark:to-primary/[0.08]">
+    <div
+      className={cn(
+        "relative overflow-hidden rounded-2xl border border-stroke/70 bg-gradient-to-br from-white via-white to-primary/[0.03] shadow-theme-xs dark:border-dark-3 dark:from-gray-dark dark:via-gray-dark dark:to-primary/[0.08]",
+        rootClassName,
+      )}
+    >
       <div className="pointer-events-none absolute -right-12 -top-12 h-32 w-32 rounded-full bg-primary/10 blur-3xl dark:bg-primary/20" />
       <div className="pointer-events-none absolute -bottom-12 -left-12 h-32 w-32 rounded-full bg-purple-500/10 blur-3xl dark:bg-purple-500/20" />
       {title && (
-        <h2 className="border-b border-stroke/70 bg-white/70 px-4 py-4 text-base font-semibold text-dark backdrop-blur-sm dark:border-dark-3 dark:bg-dark-2/40 dark:text-white sm:px-6 xl:px-7.5">
+        <h2 className="shrink-0 border-b border-stroke/70 bg-white/70 px-4 py-4 text-base font-semibold text-dark backdrop-blur-sm dark:border-dark-3 dark:bg-dark-2/40 dark:text-white sm:px-6 xl:px-7.5">
           {title}
         </h2>
       )}

src/components/Tables/tenders/index.tsx

@@ -24,7 +24,6 @@ import TableSkeleton from "@/components/ui/TableSkeleton";
 import { _TooltipDefaultParams } from "@/constants/tooltip";
 import { cn } from "@/lib/utils";
 import { getPaginatedRowNumber } from "@/utils/shared";
-import Link from "next/link";
 import TenderListFilters from "./TenderListFilters";
 const TendersTable = () => {
   const {
@@ -89,22 +88,11 @@ const TendersTable = () => {
                   {item.country_code}
                 </TableCell>
 
-                <TableCell className={cn(`text capitalize`)} colSpan={100}>
-                  {item.submission_url ? (
-                    <Link target="_blank" href={item.submission_url}>
-                      {item.submission_url}
-                    </Link>
-                  ) : (
-                    "-"
-                  )}
-                </TableCell>
                 <TableCell className={cn(`text capitalize`)} colSpan={100}>
                   <Status status={item.status}>{item.status}</Status>
                 </TableCell>
-                <TableCell
-                  className={cn(`text flex gap-2 capitalize`)}
-                  colSpan={100}
-                >
+                <TableCell className="capitalize" colSpan={100}>
+                  <div className="flex items-center gap-2">
                     <button
                       data-tooltip-id="details"
                       data-tooltip-content="Details"
@@ -132,6 +120,7 @@ const TendersTable = () => {
                       <Tooltip {..._TooltipDefaultParams({ id: "feedback" })} />
                       <ExclamationIcon />
                     </button>
+                  </div>
                 </TableCell>
               </TableRow>
             ))}

src/components/Tables/tenders/useTenderListPresenter.ts

@@ -57,7 +57,6 @@ const useTenderListPresenter = () => {
     "row",
     "title",
     "country code",
-    "submission url",
     "status",
     "actions",
   ];