Mark played-card outcomes with corner checks and crosses

TODO.md

@@ -3,7 +3,7 @@
 - [x] Add an online indicator that displays if a player is connected
 - [x] PvP challenges should linger in the UI after completion so that players can see the result
 - [x] Add hat/gun icons next to player names on the player list to indicate if they're the captain and/or have a gat
-- [ ] Replace red/green borders of successful/failed cards with checks and crosses in the upper corner of the card.
+- [x] Replace red/green borders of successful/failed cards with checks and crosses in the upper corner of the card.
 - [ ] Add a note taking area to store game state between sessions
 
 ## Polish

frontend/src/assets/css/card.css

@@ -46,12 +46,41 @@
     margin: 0 4px;
 }
 
-.card-mini.success {
-    box-shadow: 0 0 0 2px var(--success);
+.card-mini.success, .card-mini.failure {
+    box-shadow: none;
 }
 
-.card-mini.failure {
-    box-shadow: 0 0 0 2px var(--danger);
+/* Remains visible in the exposed top strip of overlapping played cards. */
+.card-result {
+    position: absolute;
+    top: 3px;
+    right: 4px;
+    display: grid;
+    place-items: center;
+    width: 1.1rem;
+    height: 1.1rem;
+    border-radius: 50%;
+    background: var(--card-face);
+    color: var(--card-ink-black);
+    font-size: 1rem;
+    font-weight: 900;
+    line-height: 1;
+}
+
+.card-mini .card-result {
+    top: 1px;
+    right: 1px;
+    width: 0.7rem;
+    height: 0.7rem;
+    font-size: 0.65rem;
+}
+
+.card-mini.rotated .card-result {
+    top: auto;
+    right: auto;
+    bottom: 1px;
+    left: 1px;
+    transform: rotate(-90deg);
 }
 
 .card-mini .val {

frontend/src/assets/css/scene-play.css

@@ -264,8 +264,8 @@
 
 /* Overlapping card column for an Obstacle. Cards stack with a heavy negative
    margin so each earlier card shows only its top strip (rank + suit); the most
-   recent play sits fully visible at the bottom. Rings: accent = the original
-   card, green/red = a play that did / didn't beat the difficulty. */
+   recent play sits fully visible at the bottom. The original has an accent ring;
+   played cards show a result mark in the exposed upper corner. */
 .obstacle-stack {
     --peek: 34px;          /* visible strip of each earlier card */
     --card-h: 112px;       /* medium card height (card.css) */
@@ -290,14 +290,6 @@
     box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent);
 }
 
-.stack-card.is-success {
-    box-shadow: 0 0 0 2px var(--success);
-}
-
-.stack-card.is-failure {
-    box-shadow: 0 0 0 2px var(--danger);
-}
-
 .suit-badge {
     font-weight: 900;
     font-size: 1.1rem;

frontend/src/components/Card.svelte

@@ -6,7 +6,7 @@
     export let size = 'large';  // 'large' | 'medium' | 'mini'
     export let draggable = false;
     export let rotated = false; // mini: rendered as a played (rotated) column card
-    export let success = null;  // mini: true/false adds success/failure styling
+    export let success = null;  // true/false displays a success/failure corner mark
     export let owner = '';      // mini: short label of who played the card
     export let title = '';      // explicit override; otherwise the card describes itself
     export let techs = null;    // large: {J, Q, K} technique names for the face-card overlay
@@ -21,7 +21,7 @@
     // tooltip describing the card itself (suit theme + Obstacle meaning), which
     // recomputes once the obstacle table loads.
     $: tipContent = title ? title : { html: cardTooltipHtml(card, $obstacleTable) };
-    $: ariaLabel = title || cardTooltip(card, $obstacleTable);
+    $: ariaLabel = (title || cardTooltip(card, $obstacleTable)) + (success === true ? ' — Success' : success === false ? ' — Failure' : '');
 </script>
 
 {#if size === 'mini'}
@@ -29,6 +29,9 @@
          use:tooltip={tipContent} aria-label={ariaLabel}>
         <span class="val">{val}</span>
         <span class="suit">{suit}</span>
+        {#if success !== null}
+            <span class="card-result" aria-hidden="true">{success ? '✓' : '✕'}</span>
+        {/if}
         {#if owner}<span class="owner">{owner}</span>{/if}
     </div>
 {:else}
@@ -39,6 +42,9 @@
             <span class="val">{val}</span>
             <span class="suit">{suit}</span>
         </div>
+        {#if success !== null}
+            <span class="card-result" aria-hidden="true">{success ? '✓' : '✕'}</span>
+        {/if}
         <div class="card-center">
             {#if joker}
                 🃏

frontend/src/components/scene/ObstacleItem.svelte

@@ -80,10 +80,10 @@
             <Card card={obs.original_card} size="medium" />
         </div>
         {#each column_cards as pc, i (i)}
-            <div class="stack-card {pc.success ? 'is-success' : 'is-failure'}"
+            <div class="stack-card"
                  class:is-latest={i === column_cards.length - 1}
                  use:tooltip={`${pc.player_name} played this — ${pc.success ? 'success' : 'no success'}.`}>
-                <Card card={pc.card} size="medium" />
+                <Card card={pc.card} size="medium" success={pc.success} />
             </div>
         {/each}
     </div>

frontend/src/lib/changelog.js

@@ -6,10 +6,11 @@
 //   - Add a CHANGELOG entry only when a commit changes something players can
 //     see. Skip refactors, tests, and tooling. Keep wording player-facing.
 
-export const VERSION = 39;
+export const VERSION = 40;
 
 // Newest first. Each entry: { version, date: 'YYYY-MM-DD', changes: [string, ...] }.
 export const CHANGELOG = [
+    { version: 40, date: '2026-09-04', changes: ['Played cards show a check or cross in the upper corner instead of a green or red outline, so results remain clear in stacked cards.'] },
     { version: 39, date: '2026-09-04', changes: ['Completed duels stay visible for the rest of the scene, showing the winner, both cards, and how the defense resolved.'] },
     { version: 38, date: '2026-09-04', changes: ['The crew roster shows who is online, with hat and gun icons for the Captain and Pi-Rats who have a Gat.'] },
     { version: 37, date: '2026-09-04', changes: ['Color-match replacement cards arrive after the Deep resolves a Challenge. Each applied Obstacle accepts one card per Challenge, and each assistant can contribute one card.'] },