Unify payment sheet to one POS design across all apps.

Loading uses the standard white bottomsheet/modal; once Paystack Inline is
ready the host shell goes transparent so only Paystack's card shows on the
backdrop — no oversized second white frame on Merchant/Give/etc.

resources/views/partials/paystack-sheet.blade.php

@@ -233,6 +233,7 @@
             s.setProperty('visibility', 'visible', 'important');
             s.setProperty('display', 'block', 'important');
             s.setProperty('background', 'transparent', 'important');
+            s.setProperty('background-color', 'transparent', 'important');
             s.setProperty('max-width', 'none', 'important');
             s.setProperty('max-height', 'none', 'important');
             applyIframePermissions(iframe);
@@ -681,7 +682,15 @@
         overflow: hidden;
         background: #fff;
     }
-    /* Paystack draws its own modal chrome inside the iframe — give it the full body. */
+    /* When Paystack is live the shell is transparent so only Paystack's own card shows. */
+    html.ladill-pay-inline-active [data-ladill-pay-panel][data-paystack-live="1"] {
+        background: transparent !important;
+        box-shadow: none !important;
+    }
+    html.ladill-pay-inline-active [data-ladill-pay-panel][data-paystack-live="1"] [data-ladill-pay-mount] {
+        background: transparent !important;
+    }
+    /* Paystack draws its own modal chrome inside the iframe — fill the mount. */
     [data-ladill-pay-mount] iframe[data-ladill-pay-contained],
     [data-ladill-pay-mount] iframe[id^="inline-checkout"],
     [data-ladill-pay-mount] iframe[id^="embed-checkout"] {
@@ -701,14 +710,13 @@
         z-index: 2 !important;
         visibility: visible !important;
         display: block !important;
-        background: #fff !important;
+        background: transparent !important;
         color-scheme: light !important;
     }
-    /* If a Paystack frame escapes the mount, pin it over the panel body instead of full viewport. */
+    /* If a Paystack frame escapes the mount, pin it over the mount box. */
     html.ladill-pay-inline-active body > iframe[id^="inline-checkout"],
     html.ladill-pay-inline-active body > iframe[id^="embed-checkout"] {
         position: fixed !important;
-        /* Fallback rect; JS updates these CSS vars from the mount box. */
         left: var(--ladill-pay-left, 0) !important;
         top: var(--ladill-pay-top, 0) !important;
         width: var(--ladill-pay-width, 100%) !important;
@@ -721,7 +729,7 @@
         z-index: 10000 !important;
         visibility: visible !important;
         display: block !important;
-        background: #fff !important;
+        background: transparent !important;
     }
 </style>
 @endonce
@@ -771,17 +779,12 @@
     </div>
 
     {{--
-      Single payment surface (same pattern as POS):
+      ONE design everywhere (POS / Merchant / Mini / Give / Invoice / Events):
-      - Mobile: bottom sheet
+      - Loading / error / same-origin: white bottomsheet (mobile) or modal (desktop)
-      - Desktop: centered modal, wide enough for Paystack channel sidebar
+      - Paystack Inline ready: transparent shell so Paystack's own card is the only surface
-      - When Inline is ready: minimal chrome so Paystack fills the body (no double header/footer)
+        on the dimmed backdrop (no second white frame / double modal)
     --}}
     <div data-ladill-pay-panel
-         class="relative flex w-full flex-col overflow-hidden rounded-t-2xl bg-white shadow-2xl md:rounded-2xl"
-         :class="($store.ladillPayCheckout && $store.ladillPayCheckout.inline && !$store.ladillPayCheckout.launching && !$store.ladillPayCheckout.error)
-            ? 'md:max-w-3xl'
-            : 'md:max-w-lg'"
-         style="height: min(92dvh, 760px); max-height: 92dvh; padding-bottom: env(safe-area-inset-bottom, 0px)"
          x-show="showSheet"
          x-transition:enter="transition duration-300 ease-out md:duration-200"
          x-transition:enter-start="translate-y-full opacity-0 md:translate-y-0 md:scale-95"
@@ -789,9 +792,30 @@
          x-transition:leave="transition duration-200 ease-in md:duration-150"
          x-transition:leave-start="translate-y-0 opacity-100 md:scale-100"
          x-transition:leave-end="translate-y-full opacity-0 md:translate-y-0 md:scale-95"
+         class="relative flex w-full flex-col overflow-hidden"
+         :data-paystack-live="($store.ladillPayCheckout && $store.ladillPayCheckout.inline && !$store.ladillPayCheckout.launching && !$store.ladillPayCheckout.error && !$store.ladillPayCheckout.frameable) ? '1' : '0'"
+         :class="($store.ladillPayCheckout && $store.ladillPayCheckout.inline && !$store.ladillPayCheckout.launching && !$store.ladillPayCheckout.error && !$store.ladillPayCheckout.frameable)
+            ? 'max-w-none rounded-none bg-transparent shadow-none md:w-[min(100vw,720px)]'
+            : 'rounded-t-2xl bg-white shadow-2xl md:max-w-lg md:rounded-2xl'"
+         :style="($store.ladillPayCheckout && $store.ladillPayCheckout.inline && !$store.ladillPayCheckout.launching && !$store.ladillPayCheckout.error && !$store.ladillPayCheckout.frameable)
+            ? 'height: min(90dvh, 640px); max-height: 90dvh; width: min(100vw, 720px); padding-bottom: 0;'
+            : 'height: min(90dvh, 720px); max-height: 90dvh; padding-bottom: env(safe-area-inset-bottom, 0px);'"
          @click.stop>
 
-        {{-- Full title header only while loading / error / same-origin frame --}}
+        {{-- Floating close when Paystack owns the surface (Paystack has no host close for us) --}}
+        <button type="button"
+                x-show="$store.ladillPayCheckout && $store.ladillPayCheckout.inline && !$store.ladillPayCheckout.launching && !$store.ladillPayCheckout.error && !$store.ladillPayCheckout.frameable"
+                @click="showSheet = false; window.LadillPayCheckout?.cancel?.()"
+                class="absolute right-3 top-3 z-30 flex h-9 w-9 items-center justify-center rounded-full bg-white/95 text-slate-600 shadow-md ring-1 ring-slate-200/80 backdrop-blur hover:bg-white hover:text-slate-900 md:right-0 md:-mr-12 md:top-0 md:bg-white"
+                style="top: max(0.75rem, env(safe-area-inset-top, 0px))"
+                data-ladill-pay-close-live
+                aria-label="Close">
+            <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true">
+                <path stroke-linecap="round" stroke-linejoin="round" d="M6 18 18 6M6 6l12 12"/>
+            </svg>
+        </button>
+
+        {{-- Standard POS header: loading, error, or same-origin waiting page --}}
         <div x-show="!$store.ladillPayCheckout
                      || $store.ladillPayCheckout.frameable
                      || $store.ladillPayCheckout.launching
@@ -821,46 +845,28 @@
             </div>
         </div>
 
-        {{-- Minimal chrome once Paystack owns the body (one close, no second title stack) --}}
+        {{-- Body: spinner while starting; Paystack fills this when ready --}}
-        <div x-show="$store.ladillPayCheckout
+        <div class="relative min-h-0 flex-1 overflow-hidden overscroll-contain"
-                     && $store.ladillPayCheckout.inline
-                     && !$store.ladillPayCheckout.launching
-                     && !$store.ladillPayCheckout.error
-                     && !$store.ladillPayCheckout.frameable"
-             class="relative z-20 flex shrink-0 items-center justify-between px-3 pb-1 pt-3 md:px-4 md:pt-2"
-             style="padding-top: max(0.75rem, env(safe-area-inset-top, 0px))"
-             data-ladill-pay-header-minimal>
-            <div class="absolute left-1/2 top-2 h-1 w-10 -translate-x-1/2 rounded-full bg-slate-200 md:hidden" data-ladill-pay-handle aria-hidden="true"></div>
-            <p class="pl-1 text-xs font-medium text-slate-500">{{ $sheetTitle }}</p>
-            <button type="button"
-                    @click="showSheet = false; window.LadillPayCheckout?.cancel?.()"
-                    class="shrink-0 rounded-full p-1.5 text-slate-400 transition hover:bg-slate-100 hover:text-slate-700"
-                    aria-label="Close">
-                <svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" aria-hidden="true">
-                    <path stroke-linecap="round" stroke-linejoin="round" d="M6 18 18 6M6 6l12 12"/>
-                </svg>
-            </button>
-        </div>
-
-        {{-- Body: Paystack mounts here (same area as the spinner). --}}
-        <div class="relative min-h-0 flex-1 overflow-hidden overscroll-contain bg-white"
              data-ladill-pay-body
-             style="min-height: 22rem">
+             :class="($store.ladillPayCheckout && $store.ladillPayCheckout.inline && !$store.ladillPayCheckout.launching && !$store.ladillPayCheckout.error && !$store.ladillPayCheckout.frameable)
-            {{-- Same-origin waiting pages (e.g. MoMo status) --}}
+                ? 'bg-transparent'
+                : 'bg-white'"
+             style="min-height: 20rem">
             <iframe x-show="$store.ladillPayCheckout && $store.ladillPayCheckout.frameable"
                     :src="showSheet && $store.ladillPayCheckout && $store.ladillPayCheckout.frameable ? checkoutUrl : ''"
                     class="absolute inset-0 h-full w-full border-0"
                     allow="payment *; fullscreen *; clipboard-read *; clipboard-write *"
                     title="{{ $iframeTitle }}"></iframe>
 
-            {{-- Paystack Inline checkout iframe is reparented into this mount --}}
             <div x-show="!$store.ladillPayCheckout || !$store.ladillPayCheckout.frameable"
                  data-ladill-pay-mount
                  id="ladill-paystack-mount"
-                 class="absolute inset-0 bg-white"
+                 class="absolute inset-0"
+                 :class="($store.ladillPayCheckout && $store.ladillPayCheckout.inline && !$store.ladillPayCheckout.launching && !$store.ladillPayCheckout.error)
+                    ? 'bg-transparent'
+                    : 'bg-white'"
                  aria-hidden="true"></div>
 
-            {{-- Loading / error only — hides once Paystack has loaded inside the mount --}}
             <div x-show="(!$store.ladillPayCheckout || !$store.ladillPayCheckout.frameable)
                          && (!$store.ladillPayCheckout
                              || $store.ladillPayCheckout.launching
@@ -909,7 +915,6 @@
             </div>
         </div>
 
-        {{-- Footer only before Paystack owns the body (avoids double trust messaging) --}}
         @if (! empty($sheetFooter))
             <p x-show="!$store.ladillPayCheckout
                        || $store.ladillPayCheckout.frameable