Initial commit: Dostalgia — DOS game hub

- Go backend (single binary) with embedded Svelte frontend
- JSON-per-game storage (no database)
- .jsdos bundle creation on upload
- Dark phosphor-green theme (#33FF33)
- js-dos v8 emulator integration
- Sockdrive support for games >80MB
- IGDB placeholder for future artwork scraping
- Docker deployment ready

frontend/src/lib/GameCard.svelte

@@ -0,0 +1,108 @@
+<script>
+  import { push } from "../lib/router.js";
+
+  let { game } = $props();
+
+  function navigate() {
+    push(`/game/${game.id}`);
+  }
+</script>
+
+<button class="card crt-hover" onclick={navigate}>
+  <div class="cover">
+    {#if game.has_cover}
+      <img src={`/games/${game.id}/cover.jpg`} alt={game.title} loading="lazy" />
+    {:else}
+      <div class="cover-placeholder">
+        <span class="cover-icon">💾</span>
+        
+      </div>
+    {/if}
+  </div>
+  <div class="info">
+    <h3>{game.title}</h3>
+    {#if game.year}
+      <span class="year">{game.year}</span>
+    {/if}
+    {#if game.genre}
+      <span class="genre">{game.genre}</span>
+    {/if}
+  </div>
+  {#if game.ready}
+    <div class="badge">Ready</div>
+  {/if}
+</button>
+
+<style>
+  .card {
+    background: var(--surface);
+    border: 1px solid var(--border);
+    border-radius: var(--radius);
+    overflow: hidden;
+    transition: all 0.2s ease;
+    cursor: pointer;
+    text-align: left;
+    display: flex;
+    flex-direction: column;
+    position: relative;
+    width: 100%;
+  }
+  .card:hover {
+    border-color: var(--phosphor-dim);
+    transform: translateY(-2px);
+    box-shadow: 0 4px 20px rgba(51, 255, 51, 0.1);
+  }
+  .cover {
+    aspect-ratio: 3/4;
+    background: var(--bg-elevated);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    overflow: hidden;
+  }
+  .cover img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+  }
+  .cover-placeholder {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 8px;
+    color: var(--text-dim);
+  }
+  .cover-icon {
+    font-size: 2.5rem;
+  }
+  .info {
+    padding: 12px;
+    flex: 1;
+  }
+  .info h3 {
+    font-size: 0.95rem;
+    margin-bottom: 4px;
+    color: var(--text-bright);
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+  .year, .genre {
+    font-size: 0.8rem;
+    color: var(--text-dim);
+    display: inline-block;
+    margin-right: 8px;
+  }
+  .badge {
+    position: absolute;
+    top: 8px;
+    right: 8px;
+    background: var(--phosphor-dark);
+    color: var(--phosphor);
+    font-size: 0.7rem;
+    padding: 2px 8px;
+    border-radius: 10px;
+    font-weight: 600;
+    letter-spacing: 0.05em;
+  }
+</style>