fix: shop tooltip price flex-pinned right (cross-file #id_tooltip_portal .tt-title { display: block } was clobbering the flex h4) + My Sign page collapses to read-only card+stat-block when sig is saved + My Sign applet card gets proper 5:8 shell + Game Kit row space-evenly. Five visual polish items batched.

(1) **Shop tooltip price right-align — root-cause fix.** Earlier today's `feat: shop tooltip price moves to the title row` (commit e90f10f) left `.tt-price` visually adjacent to the name instead of pinned right despite `<h4 class="tt-title">` carrying flex+space-between in `_tooltips.scss:38-46`'s `.token-tooltip, .tt { h4 { ... } }` block. **The bug was in a totally unrelated file**: `_palette-picker.scss:88-95` opens `#id_tooltip_portal { .tt-title, .tt-description, .tt-date, .tt-lock { display: block; } }` for the palette swatch tooltip — `#id_tooltip_portal .tt-title` has specificity **1,1,0** which beats `.token-tooltip h4`'s **0,1,1**, ID wins regardless of source order. The palette tooltip's h4 only carries a text node (no flex children) so `block` vs `flex` looked identical for that surface + the rule sat there as quiet defensive scaffolding for months. The wallet Shop's two-`<span>` h4 finally exercised it. Fix: drop `.tt-title` from the palette override list (left `.tt-description`/`.tt-date`/`.tt-lock` alone — those are `<p>` siblings, already block, redundant but harmless). Also keeps `margin-left: auto !important` on `.tt-price` (today's earlier failed-first-attempt fix) — now redundant w. the flex parent's space-between but documents intent + survives any future flex-direction tweak. Generalizable trap: an ID-scoped child rule in any consumer's SCSS file can silently override shared base rules for every consumer of that portal.

(2) **Game Kit row space-evenly.** `#id_game_kit` in `_gameboard.scss:61-72` was `justify-content: center` + `gap: 0.75rem` so 7 trinket icons clumped left-of-center. Switched to `justify-content: space-evenly` (no gap) — matches the established convention in `.token-row` (`_wallet-tokens.scss:46`) + `.shop-grid` (`_wallet-tokens.scss:92`) which both space-evenly the wallet's parallel rows. Items now spread across the applet width same as the wallet's tokens row + shop row.

(3) **My Sign page collapses to read-only when sig is committed.** Per user spec — once a sig is saved, the SCAN SIGN btn + table hex + chair are meaningless (you can't draw a new sig until you DEL the current one) so the landing renders only the saved-sig preview on the stage + the DEL btn pinned bottom-right. `my_sign.html:91-110` wraps the `.room-shell > .room-table > ... > #id_scan_sign_btn + .table-seat` chain in `{% if not current_significator %}`. `.my-sign-clear-form` stays unconditional (its own `{% if current_significator %}` block) — its `position: absolute; bottom: 0.75rem; right: 1rem` against the now-empty `.my-sign-landing` (which keeps `position: relative` from `_card-deck.scss:671`) lands the DEL in the same bottom-right corner whether the hex is present or not.

(4) **Stat block reveals next to saved-sig preview on landing.** `_populateStage(savedCardEl)` on init was filling the stage card data but `.sig-stat-block` stayed `display: none` because only `.sig-stage--frozen` (added by JS on OK-confirm in picker phase) reveals it via `_card-deck.scss:609`'s `&.sig-stage--frozen .sig-stat-block { display: block; }`. Added `stage.classList.add('sig-stage--frozen');` after the saved-sig `_populateStage` call at `my_sign.html:386`. Stat block now sits flex-row-adjacent to the stage card (stage's `flex-direction: row` + `gap: 0.75rem` from `_card-deck.scss:505-508` does the layout work) — emanation keywords + SPIN + FYI all visible alongside the saved card.

(5) **My Sign applet card — proper 5:8 card shell.** The applet's `<div class="my-sign-applet-card">` markup (corner-rank top-left + name) was rendering bg-less + collapsed to the applet's top-left corner because **no SCSS rule existed** for `.my-sign-applet-card` / `.my-sign-applet-body` / `.my-sign-applet-empty`. Added `#id_applet_my_sign` block at `_billboard.scss:434+` — scaled-down clone of `.sig-stage-card`'s shape language: `--applet-card-w: 5rem` knob drives all child sizing via the same calc-fractions used by `.sig-stage-card`'s `--sig-card-w`, 5:8 aspect-ratio, `--priUser` bg, `--secUser` border, corner-rank absolute top-left, `.fan-card-name` flex-centered, `&.stage-card--reversed { transform: rotate(180deg); }` for the reversed-sig case. `.my-sign-applet-body` flex-centers the card in the 4×6 applet aperture; `.my-sign-applet-empty` flex-centers the 'No sign chosen yet.' empty state. Layered visually consistent w. the room sig-select card + Shop tiles.

(6) **Misc visual cleanup bundled in.** `#id_scan_sign_btn` in `_card-deck.scss:677` lost its `font-size: 0.75rem` + `line-height: 1.1` overrides — the default `.btn-primary` sizing scales fine w. the 4rem circle now that the SCAN/SIGN wordmark fits cleanly w. just `white-space: normal`. `.tt-buy-btn` lost `line-height: 1.1` in `_wallet-tokens.scss:156` — Shop microbutton renders cleanly w. the default.

**TDD coverage**: `test_landing_previews_saved_sig_on_stage` in `test_bill_my_sign.py` rewritten to match the new contract (stage frozen → stat block visible, no SCAN SIGN btn, no `.table-hex` when sig is saved); other 28 my-sign FTs unaffected (they exercise the no-sig path which still renders the hex + SCAN SIGN). 3 traps caught + linked in memory: [[feedback-cross-file-id-scoped-override]] (this commit's #1), the pre-existing [[feedback-margin-auto-needs-flex-parent]] (correctly predicted today's bug — `!important` ladder was a tell to audit the parent's cascade), [[feedback-scss-import-order-specificity]] (related but different: same-specificity source order; this one was specificity-driven w. source order irrelevant).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/static_src/scss/_billboard.scss

@@ -431,3 +431,83 @@ body.page-billposts {
 
 // My Scrolls now rides the shared `.applet-list` rule above (lifted out of
 // `.applet-list-page .applet-scroll`). Old `.scroll-list` styling removed.
+
+// ── My Sign applet (billboard) ────────────────────────────────────────────
+// Saved-sig preview thumbnail. Same 5:8 card shell + corner/name layout as
+// `.sig-stage-card` (see `_card-deck.scss`) but scaled down to fit the 4×6
+// applet aperture. Without these rules the markup collapses bg-less to the
+// applet's top-left corner. `--applet-card-w` drives all child font sizing
+// off a single knob (same calc-fractions as `.sig-stage-card` w. --sig-card-w).
+#id_applet_my_sign {
+    display: flex;
+    flex-direction: column;
+
+    .my-sign-applet-body {
+        flex: 1;
+        min-height: 0;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        padding: 0.5rem;
+    }
+
+    .my-sign-applet-card {
+        --applet-card-w: 5rem;
+        width: var(--applet-card-w);
+        aspect-ratio: 5 / 8;
+        border-radius: 0.4rem;
+        background: rgba(var(--priUser), 1);
+        border: 0.12rem solid rgba(var(--secUser), 0.6);
+        color: rgba(var(--secUser), 1);
+        padding: 0.25rem;
+        position: relative;
+        display: flex;
+        flex-direction: column;
+        overflow: hidden;
+        transition: transform 0.4s ease;
+
+        .fan-card-corner--tl {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            line-height: 1.1;
+            gap: 0.05rem;
+            position: absolute;
+            top: 0.2rem;
+            left: 0.2rem;
+
+            .fan-corner-rank {
+                font-size: calc(var(--applet-card-w) * 0.18);
+                font-weight: 700;
+            }
+            i { font-size: calc(var(--applet-card-w) * 0.14); }
+        }
+
+        .fan-card-name {
+            flex: 1;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            margin: 0;
+            text-align: center;
+            font-size: calc(var(--applet-card-w) * 0.13);
+            font-weight: 600;
+            text-wrap: balance;
+            padding: 0 0.15rem;
+            color: rgba(var(--quiUser), 1);
+        }
+
+        &.stage-card--reversed { transform: rotate(180deg); }
+    }
+
+    .my-sign-applet-empty {
+        flex: 1;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        text-align: center;
+        opacity: 0.6;
+        font-style: italic;
+        margin: 0;
+    }
+}