feat(web,docs): visual summaries (curve, pips/sources incl. 'C', non‑land sources), tooltip copy, favicon; diagnostics (/healthz, request‑id, global handlers); fetches excluded, basics CSV fallback, list highlight polish; README/DOCKER/release-notes/CHANGELOG updated

code/web/static/styles.css

@@ -17,12 +17,18 @@
 	--text: #e8e8e8;
 	--muted: #b6b8bd;
 	--border: #2a2b2f;
+	--ring: #60a5fa; /* focus ring */
+	--ok: #16a34a; /* success */
+	--warn: #f59e0b; /* warning */
+	--err: #ef4444; /* error */
 }
 *{box-sizing:border-box}
 html,body{height:100%}
 body { font-family: system-ui, Arial, sans-serif; margin: 0; color: var(--text); background: var(--bg); }
 /* Honor HTML hidden attribute across the app */
 [hidden] { display: none !important; }
+/* Accessible focus ring for keyboard navigation */
+.focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
 /* Top banner */
 .top-banner{ position:sticky; top:0; z-index:10; background:#0c0d0f; border-bottom:1px solid var(--border); }
 .top-banner .top-inner{ margin:0; padding:.5rem 0; display:grid; grid-template-columns: var(--sidebar-w) 1fr; align-items:center; }
@@ -70,6 +76,29 @@ select,input[type="text"],input[type="number"]{ background:#0f1115; color:var(--
 fieldset{ border:1px solid var(--border); border-radius:8px; padding:.75rem; margin:.75rem 0; }
 small, .muted{ color: var(--muted); }
 
+/* Toasts */
+.toast-host{ position: fixed; right: 12px; bottom: 12px; display: flex; flex-direction: column; gap: 8px; z-index: 9999; }
+.toast{ background: rgba(17,24,39,.95); color:#e5e7eb; border:1px solid var(--border); border-radius:10px; padding:.5rem .65rem; box-shadow: 0 8px 24px rgba(0,0,0,.35); transition: transform .2s ease, opacity .2s ease; }
+.toast.hide{ opacity:0; transform: translateY(6px); }
+.toast.success{ border-color: rgba(22,163,74,.4); }
+.toast.error{ border-color: rgba(239,68,68,.45); }
+.toast.warn{ border-color: rgba(245,158,11,.45); }
+
+/* Skeletons */
+[data-skeleton]{ position: relative; }
+[data-skeleton].is-loading > *{ opacity: 0; }
+[data-skeleton]::after{
+	content: '';
+	position: absolute; inset: 0;
+	border-radius: 8px;
+	background: linear-gradient(90deg, rgba(255,255,255,0.04), rgba(255,255,255,0.08), rgba(255,255,255,0.04));
+	background-size: 200% 100%;
+	animation: shimmer 1.1s linear infinite;
+	display: none;
+}
+[data-skeleton].is-loading::after{ display:block; }
+@keyframes shimmer{ 0%{ background-position: 200% 0; } 100%{ background-position: -200% 0; } }
+
 /* Banner */
 .banner{ background: linear-gradient(90deg, rgba(0,0,0,.25), rgba(0,0,0,0)); border: 1px solid var(--border); border-radius: 10px; padding: 2rem 1.6rem; margin-bottom: 1rem; box-shadow: 0 8px 30px rgba(0,0,0,.25) inset; }
 .banner h1{ font-size: 2rem; margin:0 0 .35rem; }
@@ -143,3 +172,46 @@ small, .muted{ color: var(--muted); }
 /* Deck summary: highlight game changers */
 .game-changer { color: var(--green-main); }
 .stack-card.game-changer { outline: 2px solid var(--green-main); }
+
+/* Stage Navigator */
+.stage-nav { margin:.5rem 0 1rem; }
+.stage-nav ol { list-style:none; padding:0; margin:0; display:flex; gap:.35rem; flex-wrap:wrap; }
+.stage-nav .stage-link { display:flex; align-items:center; gap:.4rem; background:#0f1115; border:1px solid var(--border); color:var(--text); border-radius:999px; padding:.25rem .6rem; cursor:pointer; }
+.stage-nav .stage-item.done .stage-link { opacity:.75; }
+.stage-nav .stage-item.current .stage-link { box-shadow: 0 0 0 2px rgba(96,165,250,.4) inset; border-color:#3b82f6; }
+.stage-nav .idx { display:inline-grid; place-items:center; width:20px; height:20px; border-radius:50%; background:#1f2937; font-size:12px; }
+.stage-nav .name { font-size:12px; }
+
+/* Build controls sticky box tweaks for small screens */
+@media (max-width: 720px){
+	.build-controls { position: sticky; top: 0; border-radius: 0; margin-left: -1.5rem; margin-right: -1.5rem; }
+}
+
+/* Progress bar */
+.progress { position: relative; height: 10px; background: #0f1115; border:1px solid var(--border); border-radius: 999px; overflow: hidden; }
+.progress .bar { position:absolute; left:0; top:0; bottom:0; width: 0%; background: linear-gradient(90deg, rgba(96,165,250,.6), rgba(14,104,171,.9)); }
+.progress.flash { box-shadow: 0 0 0 2px rgba(245,158,11,.35) inset; }
+
+/* Chips */
+.chip { display:inline-flex; align-items:center; gap:.35rem; background:#0f1115; border:1px solid var(--border); color:var(--text); border-radius:999px; padding:.2rem .55rem; font-size:12px; }
+.chip .dot { width:8px; height:8px; border-radius:50%; background:#6b7280; }
+
+/* Cards toolbar */
+.cards-toolbar{ display:flex; flex-wrap:wrap; gap:.5rem .75rem; align-items:center; margin:.5rem 0 .25rem; }
+.cards-toolbar input[type="text"]{ min-width: 220px; }
+.cards-toolbar .sep{ width:1px; height:20px; background: var(--border); margin:0 .25rem; }
+.cards-toolbar .hint{ color: var(--muted); font-size:12px; }
+
+/* Collapse groups and reason toggle */
+.group{ margin:.5rem 0; }
+.group-header{ display:flex; align-items:center; gap:.5rem; }
+.group-header h5{ margin:.4rem 0; }
+.group-header .count{ color: var(--muted); font-size:12px; }
+.group-header .toggle{ margin-left:auto; background:#1f2937; color:#e5e7eb; border:1px solid var(--border); border-radius:6px; padding:.2rem .5rem; font-size:12px; cursor:pointer; }
+.group-grid[data-collapsed]{ display:none; }
+.hide-reasons .card-tile .reason{ display:none; }
+.card-tile.force-show .reason{ display:block !important; }
+.card-tile.force-hide .reason{ display:none !important; }
+.btn-why{ background:#1f2937; color:#e5e7eb; border:1px solid var(--border); border-radius:6px; padding:.15rem .4rem; font-size:12px; cursor:pointer; }
+.chips-inline{ display:flex; gap:.35rem; flex-wrap:wrap; align-items:center; }
+.chips-inline .chip{ cursor:pointer; user-select:none; }