From c7370bda03981917c18c8b7b277f1a308f1c4783 Mon Sep 17 00:00:00 2001
From: Disco DeDisco <adamcraighamilton@gmail.com>
Date: Sun, 5 Apr 2026 22:01:23 -0400
Subject: [PATCH] =?UTF-8?q?sig-select=20sprint:=20SigReservation=20model?=
 =?UTF-8?q?=20+=20sig=5Freserve=20view=20(OK/NVM=20hold);=20full=20sig-sel?=
 =?UTF-8?q?ect.js=20rewrite=20with=20stage=20preview,=20WS=20hover=20curso?=
 =?UTF-8?q?rs,=20reservation=20lock=20(must=20NVM=20before=20OK-ing=20anot?=
 =?UTF-8?q?her=20card=20=E2=80=94=20enforced=20server-side=20409=20+=20JS?=
 =?UTF-8?q?=20guard);=20sizeSigModal()=20+=20sizeSigCard()=20in=20room.js?=
 =?UTF-8?q?=20(JS-based=20card=20sizing=20avoids=20libsass=20cqw/cqh=20lim?=
 =?UTF-8?q?itation);=20stat=20block=20hidden=20until=20OK=20pressed;=20mob?=
 =?UTF-8?q?ile=20touch:=20dismiss=20stage=20on=20outside-grid=20tap=20when?=
 =?UTF-8?q?=20unfocused;=2017=20IT=20+=20Jasmine=20specs?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 src/apps/epic/consumers.py                    |  19 +-
 .../epic/migrations/0022_sig_reservation.py   |  31 ++
 src/apps/epic/models.py                       |  67 ++++
 src/apps/epic/static/apps/epic/room.js        |  57 ++++
 src/apps/epic/static/apps/epic/sig-select.js  | 310 ++++++++++++++----
 .../epic/tests/integrated/test_consumers.py   |  95 ++++++
 src/apps/epic/tests/integrated/test_models.py | 123 ++++++-
 src/apps/epic/tests/integrated/test_views.py  | 159 ++++++++-
 src/apps/epic/urls.py                         |   1 +
 src/apps/epic/views.py                        | 111 ++++++-
 src/static/tests/SigSelectSpec.js             | 215 ++++++++++++
 src/static/tests/SpecRunner.html              |   2 +
 src/static_src/scss/_base.scss                |   2 +-
 src/static_src/scss/_room.scss                | 275 +++++++++++++---
 src/static_src/tests/SigSelectSpec.js         | 215 ++++++++++++
 src/static_src/tests/SpecRunner.html          |   2 +
 .../_partials/_sig_select_overlay.html        |  64 ++++
 src/templates/apps/gameboard/room.html        |  40 +--
 18 files changed, 1616 insertions(+), 172 deletions(-)
 create mode 100644 src/apps/epic/migrations/0022_sig_reservation.py
 create mode 100644 src/static/tests/SigSelectSpec.js
 create mode 100644 src/static_src/tests/SigSelectSpec.js
 create mode 100644 src/templates/apps/gameboard/_partials/_sig_select_overlay.html

diff --git a/src/apps/epic/consumers.py b/src/apps/epic/consumers.py
index 44e5000..8241583 100644
--- a/src/apps/epic/consumers.py
+++ b/src/apps/epic/consumers.py
@@ -32,11 +32,22 @@ class RoomConsumer(AsyncJsonWebsocketConsumer):
             await self.channel_layer.group_discard(self.cursor_group, self.channel_name)
 
     async def receive_json(self, content):
-        if content.get("type") == "cursor_move" and self.cursor_group:
+        msg_type = content.get("type")
+        if msg_type == "cursor_move" and self.cursor_group:
             await self.channel_layer.group_send(
                 self.cursor_group,
                 {"type": "cursor_move", "x": content.get("x"), "y": content.get("y")},
             )
+        elif msg_type == "sig_hover" and self.cursor_group:
+            await self.channel_layer.group_send(
+                self.cursor_group,
+                {
+                    "type": "sig_hover",
+                    "card_id": content.get("card_id"),
+                    "role": content.get("role"),
+                    "active": content.get("active"),
+                },
+            )
 
     @database_sync_to_async
     def _get_seat(self, user):
@@ -61,5 +72,11 @@ class RoomConsumer(AsyncJsonWebsocketConsumer):
     async def sig_selected(self, event):
         await self.send_json(event)
 
+    async def sig_hover(self, event):
+        await self.send_json(event)
+
+    async def sig_reserved(self, event):
+        await self.send_json(event)
+
     async def cursor_move(self, event):
         await self.send_json(event)
diff --git a/src/apps/epic/migrations/0022_sig_reservation.py b/src/apps/epic/migrations/0022_sig_reservation.py
new file mode 100644
index 0000000..fc4af3d
--- /dev/null
+++ b/src/apps/epic/migrations/0022_sig_reservation.py
@@ -0,0 +1,31 @@
+# Generated by Django 6.0 on 2026-04-06 00:02
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('epic', '0021_rename_earthman_major_arcana_batch_2'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='SigReservation',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('role', models.CharField(max_length=2)),
+                ('polarity', models.CharField(choices=[('levity', 'Levity'), ('gravity', 'Gravity')], max_length=7)),
+                ('reserved_at', models.DateTimeField(auto_now_add=True)),
+                ('card', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sig_reservations', to='epic.tarotcard')),
+                ('gamer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sig_reservations', to=settings.AUTH_USER_MODEL)),
+                ('room', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sig_reservations', to='epic.room')),
+            ],
+            options={
+                'constraints': [models.UniqueConstraint(fields=('room', 'gamer'), name='one_sig_reservation_per_gamer_per_room'), models.UniqueConstraint(fields=('room', 'card', 'polarity'), name='one_reservation_per_card_per_polarity_per_room')],
+            },
+        ),
+    ]
diff --git a/src/apps/epic/models.py b/src/apps/epic/models.py
index c60cf4f..ba30262 100644
--- a/src/apps/epic/models.py
+++ b/src/apps/epic/models.py
@@ -3,6 +3,7 @@ import uuid
 
 from datetime import timedelta
 from django.db import models
+from django.db.models import UniqueConstraint
 from django.db.models.signals import post_save
 from django.dispatch import receiver
 from django.conf import settings
@@ -324,6 +325,37 @@ class TarotDeck(models.Model):
         self.save(update_fields=["drawn_card_ids"])
 
 
+# ── SigReservation — provisional card hold during SIG_SELECT ──────────────────
+
+class SigReservation(models.Model):
+    LEVITY = 'levity'
+    GRAVITY = 'gravity'
+    POLARITY_CHOICES = [(LEVITY, 'Levity'), (GRAVITY, 'Gravity')]
+
+    room = models.ForeignKey(Room, on_delete=models.CASCADE, related_name='sig_reservations')
+    gamer = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='sig_reservations'
+    )
+    card = models.ForeignKey(
+        'TarotCard', on_delete=models.CASCADE, related_name='sig_reservations'
+    )
+    role = models.CharField(max_length=2)
+    polarity = models.CharField(max_length=7, choices=POLARITY_CHOICES)
+    reserved_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        constraints = [
+            UniqueConstraint(
+                fields=['room', 'gamer'],
+                name='one_sig_reservation_per_gamer_per_room',
+            ),
+            UniqueConstraint(
+                fields=['room', 'card', 'polarity'],
+                name='one_reservation_per_card_per_polarity_per_room',
+            ),
+        ]
+
+
 # ── Significator deck helpers ─────────────────────────────────────────────────
 
 def sig_deck_cards(room):
@@ -358,6 +390,41 @@ def sig_deck_cards(room):
     return unique_cards + unique_cards  # × 2 = 36
 
 
+def _sig_unique_cards(room):
+    """Return the 18 unique TarotCard objects that form one sig pile."""
+    deck_variant = room.owner.equipped_deck
+    if deck_variant is None:
+        return []
+    wands_pentacles = list(TarotCard.objects.filter(
+        deck_variant=deck_variant,
+        arcana=TarotCard.MINOR,
+        suit__in=[TarotCard.WANDS, TarotCard.PENTACLES],
+        number__in=[11, 12, 13, 14],
+    ))
+    swords_cups = list(TarotCard.objects.filter(
+        deck_variant=deck_variant,
+        arcana=TarotCard.MINOR,
+        suit__in=[TarotCard.SWORDS, TarotCard.CUPS],
+        number__in=[11, 12, 13, 14],
+    ))
+    major = list(TarotCard.objects.filter(
+        deck_variant=deck_variant,
+        arcana=TarotCard.MAJOR,
+        number__in=[0, 1],
+    ))
+    return wands_pentacles + swords_cups + major
+
+
+def levity_sig_cards(room):
+    """The 18 cards available to the levity group (PC/NC/SC)."""
+    return _sig_unique_cards(room)
+
+
+def gravity_sig_cards(room):
+    """The 18 cards available to the gravity group (BC/EC/AC)."""
+    return _sig_unique_cards(room)
+
+
 def sig_seat_order(room):
     """Return TableSeats in canonical PC→NC→EC→SC→AC→BC order."""
     _order = {r: i for i, r in enumerate(SIG_SEAT_ORDER)}
diff --git a/src/apps/epic/static/apps/epic/room.js b/src/apps/epic/static/apps/epic/room.js
index ca8c511..8d63733 100644
--- a/src/apps/epic/static/apps/epic/room.js
+++ b/src/apps/epic/static/apps/epic/room.js
@@ -20,6 +20,62 @@
     window.addEventListener('resize', scaleTable);
 }());
 
+(function () {
+    // Size the sig-select overlay so the card grid clears the tray handle
+    // (portrait: right strip 48px; landscape: bottom strip 48px) and any
+    // fixed gear/kit buttons that protrude further into the viewport.
+    // Mirrors the scaleTable() pattern — runs on load (after tray.js has
+    // positioned the tray) and on every resize.
+    function sizeSigModal() {
+        var overlay = document.querySelector('.sig-overlay');
+        if (!overlay) return;
+
+        var vw = window.innerWidth;
+        var vh = window.innerHeight;
+        var rightInset  = 0;
+        var bottomInset = 0;
+
+        // Tray handle: portrait → vertical strip on right; landscape → horizontal at bottom
+        var trayHandle = document.getElementById('id_tray_handle');
+        if (trayHandle) {
+            var hr = trayHandle.getBoundingClientRect();
+            if (hr.width >= hr.height) {
+                // Landscape: handle spans the bottom
+                bottomInset = vh - hr.top;
+            } else {
+                // Portrait: handle strips the right edge
+                rightInset = vw - hr.left;
+            }
+        }
+
+        // Gear / kit buttons fixed at the right edge may protrude left of the tray handle
+        document.querySelectorAll('.room-page > .gear-btn').forEach(function (btn) {
+            var br = btn.getBoundingClientRect();
+            if (br.right > vw - 30) {
+                rightInset = Math.max(rightInset, vw - br.left);
+            }
+        });
+
+        overlay.style.paddingRight  = rightInset  + 'px';
+        overlay.style.paddingBottom = bottomInset + 'px';
+
+        // Stage card: smaller of 40% stage width OR (80% stage height × 5/8 aspect).
+        // libsass can't handle cqw/cqh inside min(), so we compute it here.
+        var stageEl = overlay.querySelector('.sig-stage');
+        if (stageEl) {
+            var sw = stageEl.offsetWidth  - 24;  // subtract padding (0.75rem × 2)
+            var sh = stageEl.offsetHeight - 24;
+            if (sw > 0 && sh > 0) {
+                var cardW = Math.min(sw * 0.4, sh * 0.8 * 5 / 8);
+                overlay.style.setProperty('--sig-card-w', cardW + 'px');
+            }
+        }
+    }
+
+    window.addEventListener('load',   sizeSigModal);
+    window.addEventListener('resize', sizeSigModal);
+}());
+
 (function () {
     const roomPage = document.querySelector('.room-page');
     if (!roomPage) return;
@@ -27,6 +83,7 @@
     const roomId = roomPage.dataset.roomId;
     const wsScheme = window.location.protocol === 'https:' ? 'wss' : 'ws';
     const ws = new WebSocket(`${wsScheme}://${window.location.host}/ws/room/${roomId}/`);
+    window._roomSocket = ws;  // exposed for sig-select.js hover broadcast
 
     ws.onmessage = function (event) {
         const data = JSON.parse(event.data);
diff --git a/src/apps/epic/static/apps/epic/sig-select.js b/src/apps/epic/static/apps/epic/sig-select.js
index b368f6f..999825e 100644
--- a/src/apps/epic/static/apps/epic/sig-select.js
+++ b/src/apps/epic/static/apps/epic/sig-select.js
@@ -1,96 +1,272 @@
 var SigSelect = (function () {
-    var SIG_ORDER = ['PC', 'NC', 'EC', 'SC', 'AC', 'BC'];
+    // Polarity → three roles in fixed left/mid/right cursor order
+    var POLARITY_ROLES = {
+        levity:  ['PC', 'NC', 'SC'],
+        gravity: ['BC', 'EC', 'AC'],
+    };
 
-    var sigDeck, selectUrl, userRole;
+    var overlay, deckGrid, stage, stageCard;
+    var reserveUrl, userRole, userPolarity;
 
-    function getActiveRole() {
-        for (var i = 0; i < SIG_ORDER.length; i++) {
-            var seat = document.querySelector('.table-seat[data-role="' + SIG_ORDER[i] + '"]');
-            if (seat && !seat.dataset.sigDone) return SIG_ORDER[i];
-        }
-        return null;
-    }
-
-    function isEligible() {
-        return !!(userRole && userRole === getActiveRole());
-    }
+    var _focusedCardEl = null;   // card currently shown in stage
+    var _reservedCardId = null;  // card with active reservation
+    var _stageFrozen = false;    // true after OK — stage locks on reserved card
+    var _requestInFlight = false;
 
     function getCsrf() {
         var m = document.cookie.match(/csrftoken=([^;]+)/);
         return m ? m[1] : '';
     }
 
-    function applySelection(cardId, role, deckType) {
-        // Remove only the specific pile copy (levity or gravity) of this card
-        var selector = '.sig-card.' + deckType + '-deck[data-card-id="' + cardId + '"]';
-        sigDeck.querySelectorAll(selector).forEach(function (c) { c.remove(); });
+    // ── Stage ──────────────────────────────────────────────────────────────
 
-        // Mark this seat done, remove active
-        var seat = document.querySelector('.table-seat[data-role="' + role + '"]');
-        if (seat) {
-            seat.classList.remove('active');
-            seat.dataset.sigDone = '1';
+    function updateStage(cardEl) {
+        if (_stageFrozen) return;
+        if (!cardEl) {
+            stageCard.style.display = 'none';
+            stage.classList.remove('sig-stage--active');
+            _focusedCardEl = null;
+            return;
         }
+        _focusedCardEl = cardEl;
 
-        // Advance active to next seat
-        var nextRole = getActiveRole();
-        if (nextRole) {
-            var nextSeat = document.querySelector('.table-seat[data-role="' + nextRole + '"]');
-            if (nextSeat) nextSeat.classList.add('active');
-        }
+        var rank  = cardEl.dataset.cornerRank  || '';
+        var icon  = cardEl.dataset.suitIcon    || '';
+        var group = cardEl.dataset.nameGroup   || '';
+        var title = cardEl.dataset.nameTitle   || '';
+        var arcana= cardEl.dataset.arcana      || '';
+        var corr  = cardEl.dataset.correspondence || '';
 
-        // Place a card placeholder in inventory
-        var invSlot = document.getElementById('id_inv_sig_card');
-        if (invSlot) {
-            var card = document.createElement('div');
-            card.className = 'card';
-            invSlot.appendChild(card);
+        stageCard.querySelectorAll('.fan-corner-rank').forEach(function (el) { el.textContent = rank; });
+        stageCard.querySelectorAll('.stage-suit-icon').forEach(function (el) {
+            if (icon) {
+                el.className = 'fa-solid ' + icon + ' stage-suit-icon';
+                el.style.display = '';
+            } else {
+                el.style.display = 'none';
+            }
+        });
+        stageCard.querySelector('.fan-card-name-group').textContent = group;
+        stageCard.querySelector('.fan-card-name').textContent = title;
+        stageCard.querySelector('.fan-card-arcana').textContent = arcana;
+        stageCard.querySelector('.fan-card-correspondence').textContent = corr;
+
+        stageCard.style.display = '';
+        stage.classList.add('sig-stage--active');
+    }
+
+    // ── Focus a card (click/tap) — shows OK overlay on the card ──────────
+
+    function focusCard(cardEl) {
+        deckGrid.querySelectorAll('.sig-card.sig-focused').forEach(function (c) {
+            if (c !== cardEl) c.classList.remove('sig-focused');
+        });
+        cardEl.classList.add('sig-focused');
+        updateStage(cardEl);
+    }
+
+    // ── Hover events ──────────────────────────────────────────────────────
+
+    function onCardEnter(e) {
+        var card = e.currentTarget;
+        if (!_stageFrozen) updateStage(card);
+        sendHover(card.dataset.cardId, true);
+    }
+
+    function onCardLeave(e) {
+        if (!_stageFrozen) updateStage(null);
+        sendHover(e.currentTarget.dataset.cardId, false);
+    }
+
+    // ── Reserve / release ─────────────────────────────────────────────────
+
+    function doReserve(cardEl) {
+        if (_requestInFlight) return;
+        var cardId = cardEl.dataset.cardId;
+        _requestInFlight = true;
+        fetch(reserveUrl, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'X-CSRFToken': getCsrf() },
+            body: 'action=reserve&card_id=' + encodeURIComponent(cardId),
+        }).then(function (res) {
+            _requestInFlight = false;
+            if (res.ok) applyReservation(cardId, userRole, true);
+        }).catch(function () { _requestInFlight = false; });
+    }
+
+    function doRelease() {
+        if (_requestInFlight || !_reservedCardId) return;
+        var cardId = _reservedCardId;
+        _requestInFlight = true;
+        fetch(reserveUrl, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'X-CSRFToken': getCsrf() },
+            body: 'action=release&card_id=' + encodeURIComponent(cardId),
+        }).then(function (res) {
+            _requestInFlight = false;
+            if (res.ok) applyReservation(cardId, userRole, false);
+        }).catch(function () { _requestInFlight = false; });
+    }
+
+    // ── Apply reservation state (local + from WS) ─────────────────────────
+
+    function applyReservation(cardId, role, reserved) {
+        var cardEl = deckGrid.querySelector('.sig-card[data-card-id="' + cardId + '"]');
+        if (!cardEl) return;
+
+        if (reserved) {
+            cardEl.dataset.reservedBy = role;
+            cardEl.classList.add('sig-reserved');
+            if (role === userRole) {
+                _reservedCardId = cardId;
+                cardEl.classList.add('sig-reserved--own');
+                cardEl.classList.remove('sig-focused');
+                // Freeze stage on this card (temporarily unfreeze to populate it)
+                _stageFrozen = false;
+                updateStage(cardEl);
+                _stageFrozen = true;
+                stage.classList.add('sig-stage--frozen');
+            }
+        } else {
+            delete cardEl.dataset.reservedBy;
+            cardEl.classList.remove('sig-reserved', 'sig-reserved--own');
+            if (role === userRole) {
+                _reservedCardId = null;
+                _stageFrozen = false;
+                stage.classList.remove('sig-stage--frozen');
+            }
         }
     }
 
+    // ── Apply hover cursor (WS only — own hover is CSS :hover) ────────────
+
+    function applyHover(cardId, role, active) {
+        if (role === userRole) return;
+        var cardEl = deckGrid.querySelector('.sig-card[data-card-id="' + cardId + '"]');
+        if (!cardEl) return;
+
+        var roles = POLARITY_ROLES[userPolarity] || [];
+        var idx = roles.indexOf(role);
+        var posClass = ['--left', '--mid', '--right'][idx] || '--left';
+        var cursor = cardEl.querySelector('.sig-cursor' + posClass);
+        if (!cursor) return;
+
+        if (active) {
+            cursor.classList.add('active');
+        } else {
+            cursor.classList.remove('active');
+        }
+    }
+
+    // ── WS events ─────────────────────────────────────────────────────────
+
+    window.addEventListener('room:sig_reserved', function (e) {
+        if (!deckGrid) return;
+        applyReservation(String(e.detail.card_id), e.detail.role, e.detail.reserved);
+    });
+
+    window.addEventListener('room:sig_hover', function (e) {
+        if (!deckGrid) return;
+        applyHover(String(e.detail.card_id), e.detail.role, e.detail.active);
+    });
+
+    // ── WS send ───────────────────────────────────────────────────────────
+
+    function sendHover(cardId, active) {
+        if (!window._roomSocket || window._roomSocket.readyState !== WebSocket.OPEN) return;
+        window._roomSocket.send(JSON.stringify({
+            type: 'sig_hover', card_id: cardId, role: userRole, active: active,
+        }));
+    }
+
+    // ── Init ──────────────────────────────────────────────────────────────
+
     function init() {
-        sigDeck = document.getElementById('id_sig_deck');
-        if (!sigDeck) return;
-        selectUrl = sigDeck.dataset.selectSigUrl;
-        userRole = sigDeck.dataset.userRole;
+        overlay = document.querySelector('.sig-overlay');
+        if (!overlay) return;
 
-        sigDeck.addEventListener('click', function (e) {
+        deckGrid  = overlay.querySelector('.sig-deck-grid');
+        stage     = overlay.querySelector('.sig-stage');
+        stageCard = stage.querySelector('.sig-stage-card');
+
+        reserveUrl  = overlay.dataset.reserveUrl;
+        userRole    = overlay.dataset.userRole;
+        userPolarity= overlay.dataset.polarity;
+
+        // Restore reservations from server-rendered JSON (page-load state)
+        try {
+            var existing = JSON.parse(overlay.dataset.reservations || '{}');
+            Object.keys(existing).forEach(function (cardId) {
+                applyReservation(cardId, existing[cardId], true);
+            });
+        } catch (e) { /* malformed JSON — ignore */ }
+
+        // Hover: update stage preview + broadcast cursor
+        deckGrid.querySelectorAll('.sig-card').forEach(function (card) {
+            card.addEventListener('mouseenter', onCardEnter);
+            card.addEventListener('mouseleave', onCardLeave);
+            card.addEventListener('touchstart', function (e) {
+                var card = e.currentTarget;
+                if (_reservedCardId) return;  // locked until NVM — no preventDefault either
+                var reservedByOther = card.dataset.reservedBy && card.dataset.reservedBy !== userRole;
+                var isOwnReserved = card.classList.contains('sig-reserved--own');
+                if (reservedByOther || isOwnReserved) return;
+                // If the tap is on the OK button, let the synthetic click fire normally
+                if (e.target.closest('.sig-ok-btn')) return;
+                focusCard(card);
+                e.preventDefault(); // prevent ghost click on card body
+            }, { passive: false });
+        });
+
+        // Touch outside the grid — dismiss stage preview (unfocused state only).
+        // Card touchstart doesn't stop propagation, so we guard with closest().
+        overlay.addEventListener('touchstart', function (e) {
+            if (_stageFrozen || !_focusedCardEl) return;
+            if (e.target.closest('.sig-deck-grid')) return;
+            deckGrid.querySelectorAll('.sig-card.sig-focused').forEach(function (c) {
+                c.classList.remove('sig-focused');
+            });
+            updateStage(null);
+        }, { passive: true });
+
+        // Click delegation: card body → focus (shows OK); OK/NVM buttons → reserve/release
+        deckGrid.addEventListener('click', function (e) {
+            if (e.target.closest('.sig-ok-btn')) {
+                if (_reservedCardId) return;  // already holding — must NVM first
+                var card = e.target.closest('.sig-card');
+                if (card) doReserve(card);
+                return;
+            }
+            if (e.target.closest('.sig-nvm-btn')) {
+                doRelease();
+                return;
+            }
             var card = e.target.closest('.sig-card');
             if (!card) return;
-            if (!isEligible()) return;
-            var activeRole = getActiveRole();
-            var cardId = card.dataset.cardId;
-            var deckType = card.dataset.deck;
-            window.showGuard(card, 'Select this significator?', function () {
-                fetch(selectUrl, {
-                    method: 'POST',
-                    headers: {
-                        'Content-Type': 'application/x-www-form-urlencoded',
-                        'X-CSRFToken': getCsrf(),
-                    },
-                    body: 'card_id=' + encodeURIComponent(cardId) + '&deck_type=' + encodeURIComponent(deckType),
-                }).then(function (response) {
-                    if (response.ok) {
-                        applySelection(cardId, activeRole, deckType);
-                    }
-                });
-            });
+            if (_reservedCardId) return;  // locked until NVM
+            var reservedByOther = card.dataset.reservedBy && card.dataset.reservedBy !== userRole;
+            var isOwnReserved = card.classList.contains('sig-reserved--own');
+            if (reservedByOther || isOwnReserved) return;
+            focusCard(card);
         });
     }
 
-    window.addEventListener('room:sig_selected', function (e) {
-        if (!sigDeck) return;
-        var cardId = String(e.detail.card_id);
-        var role = e.detail.role;
-        var deckType = e.detail.deck_type;
-        // Idempotent — skip if this copy already removed (local selector already did it)
-        if (!sigDeck.querySelector('.sig-card.' + deckType + '-deck[data-card-id="' + cardId + '"]')) return;
-        applySelection(cardId, role, deckType);
-    });
-
     if (document.readyState === 'loading') {
         document.addEventListener('DOMContentLoaded', init);
     } else {
         init();
     }
+
+    // ── Test API ──────────────────────────────────────────────────────────
+    window.SigSelect = {
+        _testInit: function () {
+            _focusedCardEl = null;
+            _reservedCardId = null;
+            _stageFrozen = false;
+            _requestInFlight = false;
+            init();
+        },
+        _setFrozen: function (v) { _stageFrozen = v; },
+        _setReservedCardId: function (id) { _reservedCardId = id; },
+    };
 }());
diff --git a/src/apps/epic/tests/integrated/test_consumers.py b/src/apps/epic/tests/integrated/test_consumers.py
index 5490c1d..0133d8e 100644
--- a/src/apps/epic/tests/integrated/test_consumers.py
+++ b/src/apps/epic/tests/integrated/test_consumers.py
@@ -164,3 +164,98 @@ class CursorMoveConsumerTest(TransactionTestCase):
 
         await pc_comm.disconnect()
         await bc_comm.disconnect()
+
+
+@tag('channels')
+@override_settings(CHANNEL_LAYERS=TEST_CHANNEL_LAYERS)
+class SigHoverConsumerTest(TransactionTestCase):
+    """sig_hover messages sent by a client are forwarded within the polarity group only."""
+
+    async def _make_communicator(self, user, room):
+        client = Client()
+        await database_sync_to_async(client.force_login)(user)
+        session_key = await database_sync_to_async(lambda: client.session.session_key)()
+        comm = WebsocketCommunicator(
+            application,
+            f"/ws/room/{room.id}/",
+            headers=[(b"cookie", f"sessionid={session_key}".encode())],
+        )
+        connected, _ = await comm.connect()
+        self.assertTrue(connected)
+        return comm
+
+    async def test_sig_hover_forwarded_to_polarity_group(self):
+        pc_user = await database_sync_to_async(User.objects.create)(email="pc@test.io")
+        nc_user = await database_sync_to_async(User.objects.create)(email="nc@test.io")
+        room = await database_sync_to_async(Room.objects.create)(name="T", owner=pc_user)
+        await database_sync_to_async(TableSeat.objects.create)(
+            room=room, gamer=pc_user, slot_number=1, role="PC"
+        )
+        await database_sync_to_async(TableSeat.objects.create)(
+            room=room, gamer=nc_user, slot_number=2, role="NC"
+        )
+
+        pc_comm = await self._make_communicator(pc_user, room)
+        nc_comm = await self._make_communicator(nc_user, room)
+
+        await pc_comm.send_json_to({
+            "type": "sig_hover", "card_id": "abc-123", "role": "PC", "active": True
+        })
+
+        msg = await nc_comm.receive_json_from(timeout=2)
+        self.assertEqual(msg["type"], "sig_hover")
+        self.assertEqual(msg["card_id"], "abc-123")
+        self.assertEqual(msg["role"], "PC")
+        self.assertTrue(msg["active"])
+
+        await pc_comm.disconnect()
+        await nc_comm.disconnect()
+
+    async def test_sig_hover_not_forwarded_to_other_polarity(self):
+        pc_user = await database_sync_to_async(User.objects.create)(email="pc@test.io")
+        bc_user = await database_sync_to_async(User.objects.create)(email="bc@test.io")
+        room = await database_sync_to_async(Room.objects.create)(name="T", owner=pc_user)
+        await database_sync_to_async(TableSeat.objects.create)(
+            room=room, gamer=pc_user, slot_number=1, role="PC"
+        )
+        await database_sync_to_async(TableSeat.objects.create)(
+            room=room, gamer=bc_user, slot_number=2, role="BC"
+        )
+
+        pc_comm = await self._make_communicator(pc_user, room)
+        bc_comm = await self._make_communicator(bc_user, room)
+
+        await pc_comm.send_json_to({
+            "type": "sig_hover", "card_id": "abc-123", "role": "PC", "active": True
+        })
+
+        self.assertTrue(await bc_comm.receive_nothing(timeout=1))
+
+        await pc_comm.disconnect()
+        await bc_comm.disconnect()
+
+    async def test_sig_reserved_broadcast_received_by_polarity_group(self):
+        pc_user = await database_sync_to_async(User.objects.create)(email="pc@test.io")
+        nc_user = await database_sync_to_async(User.objects.create)(email="nc@test.io")
+        room = await database_sync_to_async(Room.objects.create)(name="T", owner=pc_user)
+        await database_sync_to_async(TableSeat.objects.create)(
+            room=room, gamer=pc_user, slot_number=1, role="PC"
+        )
+        await database_sync_to_async(TableSeat.objects.create)(
+            room=room, gamer=nc_user, slot_number=2, role="NC"
+        )
+
+        nc_comm = await self._make_communicator(nc_user, room)
+
+        channel_layer = get_channel_layer()
+        await channel_layer.group_send(
+            f"cursors_{room.id}_levity",
+            {"type": "sig_reserved", "card_id": "card-xyz", "role": "PC", "reserved": True},
+        )
+
+        msg = await nc_comm.receive_json_from(timeout=2)
+        self.assertEqual(msg["type"], "sig_reserved")
+        self.assertEqual(msg["card_id"], "card-xyz")
+        self.assertTrue(msg["reserved"])
+
+        await nc_comm.disconnect()
diff --git a/src/apps/epic/tests/integrated/test_models.py b/src/apps/epic/tests/integrated/test_models.py
index 45cf059..64b44c4 100644
--- a/src/apps/epic/tests/integrated/test_models.py
+++ b/src/apps/epic/tests/integrated/test_models.py
@@ -4,10 +4,13 @@ from django.test import TestCase
 from django.urls import reverse
 from django.utils import timezone
 
+from django.db import IntegrityError
+
 from apps.lyric.models import Token, User
 from apps.epic.models import (
-    DeckVariant, GateSlot, Room, RoomInvite, TableSeat, TarotCard,
-    debit_token, select_token, sig_deck_cards, sig_seat_order, active_sig_seat,
+    DeckVariant, GateSlot, Room, RoomInvite, SigReservation, TableSeat, TarotCard,
+    debit_token, select_token, sig_deck_cards, levity_sig_cards, gravity_sig_cards,
+    sig_seat_order, active_sig_seat,
 )
 
 
@@ -360,3 +363,119 @@ class SigCardFieldTest(TestCase):
         self.card.delete()
         self.seat.refresh_from_db()
         self.assertIsNone(self.seat.significator)
+
+
+# ── SigReservation model ──────────────────────────────────────────────────────
+
+def _make_sig_card(deck_variant, suit, number):
+    name_map = {11: "Maid", 12: "Jack", 13: "Queen", 14: "King"}
+    card, _ = TarotCard.objects.get_or_create(
+        deck_variant=deck_variant,
+        slug=f"{name_map[number].lower()}-of-{suit.lower()}-em",
+        defaults={
+            "arcana": "MINOR", "suit": suit, "number": number,
+            "name": f"{name_map[number]} of {suit.capitalize()}",
+        },
+    )
+    return card
+
+
+class SigReservationModelTest(TestCase):
+    def setUp(self):
+        self.earthman, _ = DeckVariant.objects.get_or_create(
+            slug="earthman",
+            defaults={"name": "Earthman Deck", "card_count": 108, "is_default": True},
+        )
+        self.owner = User.objects.create(email="founder@test.io")
+        self.room = Room.objects.create(name="Sig Room", owner=self.owner)
+        self.card = _make_sig_card(self.earthman, "WANDS", 14)
+        self.seat = TableSeat.objects.create(
+            room=self.room, gamer=self.owner, slot_number=1, role="PC"
+        )
+
+    def test_can_create_sig_reservation(self):
+        res = SigReservation.objects.create(
+            room=self.room, gamer=self.owner, card=self.card, role="PC", polarity="levity"
+        )
+        self.assertEqual(res.role, "PC")
+        self.assertEqual(res.polarity, "levity")
+        self.assertIsNotNone(res.reserved_at)
+
+    def test_one_reservation_per_gamer_per_room(self):
+        SigReservation.objects.create(
+            room=self.room, gamer=self.owner, card=self.card, role="PC", polarity="levity"
+        )
+        card2 = _make_sig_card(self.earthman, "CUPS", 13)
+        with self.assertRaises(IntegrityError):
+            SigReservation.objects.create(
+                room=self.room, gamer=self.owner, card=card2, role="PC", polarity="levity"
+            )
+
+    def test_same_card_blocked_within_same_polarity(self):
+        gamer2 = User.objects.create(email="nc@test.io")
+        TableSeat.objects.create(room=self.room, gamer=gamer2, slot_number=2, role="NC")
+        SigReservation.objects.create(
+            room=self.room, gamer=self.owner, card=self.card, role="PC", polarity="levity"
+        )
+        with self.assertRaises(IntegrityError):
+            SigReservation.objects.create(
+                room=self.room, gamer=gamer2, card=self.card, role="NC", polarity="levity"
+            )
+
+    def test_same_card_allowed_across_polarity(self):
+        """A gravity gamer may reserve the same card instance as a levity gamer
+        — each polarity has its own independent pile."""
+        gamer2 = User.objects.create(email="bc@test.io")
+        TableSeat.objects.create(room=self.room, gamer=gamer2, slot_number=2, role="BC")
+        SigReservation.objects.create(
+            room=self.room, gamer=self.owner, card=self.card, role="PC", polarity="levity"
+        )
+        res2 = SigReservation.objects.create(
+            room=self.room, gamer=gamer2, card=self.card, role="BC", polarity="gravity"
+        )
+        self.assertIsNotNone(res2.pk)
+
+    def test_deleting_reservation_clears_slot(self):
+        res = SigReservation.objects.create(
+            room=self.room, gamer=self.owner, card=self.card, role="PC", polarity="levity"
+        )
+        res.delete()
+        self.assertFalse(SigReservation.objects.filter(room=self.room, gamer=self.owner).exists())
+
+
+class SigCardHelperTest(TestCase):
+    """levity_sig_cards() and gravity_sig_cards() return 18 cards each.
+    Relies on the Earthman deck seeded by migrations (no manual card creation).
+    """
+
+    def setUp(self):
+        # Earthman deck is already seeded by migrations
+        self.earthman = DeckVariant.objects.get(slug="earthman")
+        self.owner = User.objects.create(email="founder@test.io")
+        self.owner.equipped_deck = self.earthman
+        self.owner.save()
+        self.room = Room.objects.create(name="Card Test", owner=self.owner)
+
+    def test_levity_sig_cards_returns_18(self):
+        cards = levity_sig_cards(self.room)
+        self.assertEqual(len(cards), 18)
+
+    def test_gravity_sig_cards_returns_18(self):
+        cards = gravity_sig_cards(self.room)
+        self.assertEqual(len(cards), 18)
+
+    def test_levity_and_gravity_share_same_card_objects(self):
+        """Both piles draw from the same 18 TarotCard instances — visual distinction
+        comes from CSS polarity class, not separate card model records."""
+        levity = levity_sig_cards(self.room)
+        gravity = gravity_sig_cards(self.room)
+        self.assertEqual(
+            sorted(c.pk for c in levity),
+            sorted(c.pk for c in gravity),
+        )
+
+    def test_returns_empty_when_no_equipped_deck(self):
+        self.owner.equipped_deck = None
+        self.owner.save()
+        self.assertEqual(levity_sig_cards(self.room), [])
+        self.assertEqual(gravity_sig_cards(self.room), [])
diff --git a/src/apps/epic/tests/integrated/test_views.py b/src/apps/epic/tests/integrated/test_views.py
index 824966e..e38d3ac 100644
--- a/src/apps/epic/tests/integrated/test_views.py
+++ b/src/apps/epic/tests/integrated/test_views.py
@@ -1,5 +1,5 @@
 from datetime import timedelta
-from unittest.mock import patch
+from unittest.mock import ANY, patch
 
 from django.test import TestCase
 from django.urls import reverse
@@ -8,7 +8,7 @@ from django.utils import timezone
 from apps.drama.models import GameEvent
 from apps.lyric.models import Token, User
 from apps.epic.models import (
-    DeckVariant, GateSlot, Room, RoomInvite, TableSeat, TarotCard,
+    DeckVariant, GateSlot, Room, RoomInvite, SigReservation, TableSeat, TarotCard,
 )
 
 
@@ -943,9 +943,9 @@ class SigSelectRenderingTest(TestCase):
         response = self.client.get(self.url)
         self.assertContains(response, "id_sig_deck")
 
-    def test_sig_deck_contains_36_sig_cards(self):
+    def test_sig_deck_contains_18_sig_cards(self):
         response = self.client.get(self.url)
-        self.assertEqual(response.content.decode().count('sig-card'), 36)
+        self.assertEqual(response.content.decode().count('data-card-id='), 18)
 
     def test_seats_rendered_in_pc_nc_ec_sc_ac_bc_order(self):
         response = self.client.get(self.url)
@@ -1119,3 +1119,154 @@ class SelectRoleRecordsRoleSelectedTest(TestCase):
             data={"role": "PC"},
         )
         self.assertEqual(GameEvent.objects.filter(verb=GameEvent.ROLE_SELECTED).count(), 0)
+
+
+# ── sig_reserve view ──────────────────────────────────────────────────────────
+
+class SigReserveViewTest(TestCase):
+    """sig_reserve — provisional card hold; OK/NVM flow."""
+
+    def setUp(self):
+        self.room, self.gamers, self.earthman, self.card = _full_sig_setUp(self)
+        # founder (gamers[0]) is PC — levity polarity
+        self.client.force_login(self.gamers[0])
+        self.url = reverse("epic:sig_reserve", kwargs={"room_id": self.room.id})
+
+    def _reserve(self, card_id=None, action="reserve", client=None):
+        c = client or self.client
+        return c.post(self.url, data={
+            "card_id": card_id or self.card.id,
+            "action": action,
+        })
+
+    # ── happy-path reserve ────────────────────────────────────────────────
+
+    def test_reserve_creates_sig_reservation(self):
+        self._reserve()
+        self.assertTrue(SigReservation.objects.filter(
+            room=self.room, gamer=self.gamers[0], card=self.card
+        ).exists())
+
+    def test_reserve_returns_200(self):
+        response = self._reserve()
+        self.assertEqual(response.status_code, 200)
+
+    def test_reservation_has_correct_polarity(self):
+        self._reserve()
+        res = SigReservation.objects.get(room=self.room, gamer=self.gamers[0])
+        self.assertEqual(res.polarity, "levity")
+
+    def test_gravity_gamer_reservation_has_gravity_polarity(self):
+        # gamers[3] is SC (index 3 → role SC → but _full_sig_setUp uses SIG_SEAT_ORDER
+        # which assigns PC→NC→EC→SC→AC→BC, so slot 4 = SC, slot 5 = AC, slot 6 = BC)
+        # gamers[5] is BC → gravity
+        bc_client = self.client.__class__()
+        bc_client.force_login(self.gamers[5])
+        self._reserve(client=bc_client)
+        res = SigReservation.objects.get(room=self.room, gamer=self.gamers[5])
+        self.assertEqual(res.polarity, "gravity")
+
+    # ── conflict handling ─────────────────────────────────────────────────
+
+    def test_reserve_taken_card_same_polarity_returns_409(self):
+        # NC (gamers[1]) reserves the same card first — both are levity
+        nc_client = self.client.__class__()
+        nc_client.force_login(self.gamers[1])
+        self._reserve(client=nc_client)
+        # Now PC tries to grab the same card — should be blocked
+        response = self._reserve()
+        self.assertEqual(response.status_code, 409)
+
+    def test_reserve_taken_card_cross_polarity_succeeds(self):
+        # BC (gamers[5], gravity) reserves the same card — different polarity, allowed
+        bc_client = self.client.__class__()
+        bc_client.force_login(self.gamers[5])
+        self._reserve(client=bc_client)
+        response = self._reserve()  # PC (levity) grabs same card
+        self.assertEqual(response.status_code, 200)
+
+    def test_reserve_different_card_while_holding_returns_409(self):
+        """Cannot OK a different card while holding one — must NVM first."""
+        card_b = TarotCard.objects.filter(
+            deck_variant=self.earthman, arcana="MINOR", suit="WANDS", number=12
+        ).first()
+        self._reserve()                          # PC grabs card A → 200
+        response = self._reserve(card_id=card_b.id)  # tries card B → 409
+        self.assertEqual(response.status_code, 409)
+        # Original reservation still intact
+        reservations = SigReservation.objects.filter(room=self.room, gamer=self.gamers[0])
+        self.assertEqual(reservations.count(), 1)
+        self.assertEqual(reservations.first().card, self.card)
+
+    def test_reserve_same_card_again_is_idempotent(self):
+        """Re-POSTing the same card while already holding it returns 200 (no-op)."""
+        self._reserve()
+        response = self._reserve()  # same card again
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(
+            SigReservation.objects.filter(room=self.room, gamer=self.gamers[0]).count(), 1
+        )
+
+    def test_reserve_blocked_then_unblocked_after_release(self):
+        """After NVM, a new card can be OK'd."""
+        card_b = TarotCard.objects.filter(
+            deck_variant=self.earthman, arcana="MINOR", suit="WANDS", number=12
+        ).first()
+        self._reserve()                            # hold card A
+        self._reserve(action="release")            # NVM
+        response = self._reserve(card_id=card_b.id)  # now card B → 200
+        self.assertEqual(response.status_code, 200)
+        self.assertTrue(SigReservation.objects.filter(
+            room=self.room, gamer=self.gamers[0], card=card_b
+        ).exists())
+
+    # ── release ───────────────────────────────────────────────────────────
+
+    def test_release_deletes_reservation(self):
+        self._reserve()
+        self._reserve(action="release")
+        self.assertFalse(SigReservation.objects.filter(
+            room=self.room, gamer=self.gamers[0]
+        ).exists())
+
+    def test_release_returns_200(self):
+        self._reserve()
+        response = self._reserve(action="release")
+        self.assertEqual(response.status_code, 200)
+
+    def test_release_with_no_reservation_still_200(self):
+        """NVM when nothing held is harmless."""
+        response = self._reserve(action="release")
+        self.assertEqual(response.status_code, 200)
+
+    # ── guards ────────────────────────────────────────────────────────────
+
+    def test_reserve_requires_login(self):
+        self.client.logout()
+        response = self._reserve()
+        self.assertEqual(response.status_code, 302)
+        self.assertIn("/accounts/login/", response.url)
+
+    def test_reserve_requires_seated_gamer(self):
+        outsider = User.objects.create(email="outsider@test.io")
+        outsider_client = self.client.__class__()
+        outsider_client.force_login(outsider)
+        response = self._reserve(client=outsider_client)
+        self.assertEqual(response.status_code, 403)
+
+    def test_reserve_wrong_phase_returns_400(self):
+        self.room.table_status = Room.ROLE_SELECT
+        self.room.save()
+        response = self._reserve()
+        self.assertEqual(response.status_code, 400)
+
+    def test_reserve_broadcasts_ws(self):
+        with patch("apps.epic.views._notify_sig_reserved") as mock_notify:
+            self._reserve()
+            mock_notify.assert_called_once()
+
+    def test_release_broadcasts_ws(self):
+        self._reserve()
+        with patch("apps.epic.views._notify_sig_reserved") as mock_notify:
+            self._reserve(action="release")
+            mock_notify.assert_called_once()
diff --git a/src/apps/epic/urls.py b/src/apps/epic/urls.py
index adb972e..0507cf6 100644
--- a/src/apps/epic/urls.py
+++ b/src/apps/epic/urls.py
@@ -16,6 +16,7 @@ urlpatterns = [
     path('room/<uuid:room_id>/pick-sigs', views.pick_sigs, name='pick_sigs'),
     path('room/<uuid:room_id>/select-role', views.select_role, name='select_role'),
     path('room/<uuid:room_id>/select-sig', views.select_sig, name='select_sig'),
+    path('room/<uuid:room_id>/sig-reserve', views.sig_reserve, name='sig_reserve'),
     path('room/<uuid:room_id>/gate/invite', views.invite_gamer, name='invite_gamer'),
     path('room/<uuid:room_id>/gate/status', views.gate_status, name='gate_status'),
     path('room/<uuid:room_id>/delete', views.delete_room, name='delete_room'),
diff --git a/src/apps/epic/views.py b/src/apps/epic/views.py
index 775baaf..aa287ed 100644
--- a/src/apps/epic/views.py
+++ b/src/apps/epic/views.py
@@ -1,3 +1,4 @@
+import json
 from datetime import timedelta
 
 from asgiref.sync import async_to_sync
@@ -10,8 +11,9 @@ from django.utils import timezone
 
 from apps.drama.models import GameEvent, record
 from apps.epic.models import (
-    GateSlot, Room, RoomInvite, TableSeat, TarotCard, TarotDeck,
-    active_sig_seat, debit_token, select_token, sig_deck_cards, sig_seat_order,
+    GateSlot, Room, RoomInvite, SigReservation, TableSeat, TarotCard, TarotDeck,
+    active_sig_seat, debit_token, levity_sig_cards, gravity_sig_cards,
+    select_token, sig_deck_cards,
 )
 from apps.lyric.models import Token
 
@@ -74,6 +76,20 @@ def _notify_sig_selected(room_id, card_id, role, deck_type='levity'):
     )
 
 
+_LEVITY_ROLES = {'PC', 'NC', 'SC'}
+_GRAVITY_ROLES = {'BC', 'EC', 'AC'}
+
+
+def _notify_sig_reserved(room_id, card_id, role, reserved):
+    """Broadcast a sig_reserved event to the matching polarity cursor group."""
+    polarity = 'levity' if role in _LEVITY_ROLES else 'gravity'
+    async_to_sync(get_channel_layer().group_send)(
+        f'cursors_{room_id}_{polarity}',
+        {'type': 'sig_reserved', 'card_id': str(card_id) if card_id else None,
+         'role': role, 'reserved': reserved},
+    )
+
+
 SLOT_ROLE_LABELS = {1: "PC", 2: "NC", 3: "EC", 4: "SC", 5: "AC", 6: "BC"}
 
 
@@ -216,16 +232,35 @@ def _role_select_context(room, user):
     }
     if room.table_status == Room.SIG_SELECT:
         user_seat = room.table_seats.filter(gamer=user).first() if user.is_authenticated else None
-        partner_role = TableSeat.PARTNER_MAP.get(user_seat.role) if user_seat and user_seat.role else None
-        partner_seat = room.table_seats.filter(role=partner_role).first() if partner_role else None
+        user_role = user_seat.role if user_seat else None
+        user_polarity = None
+        if user_role in _LEVITY_ROLES:
+            user_polarity = 'levity'
+        elif user_role in _GRAVITY_ROLES:
+            user_polarity = 'gravity'
+
         ctx["user_seat"] = user_seat
-        ctx["partner_seat"] = partner_seat
-        ctx["revealed_seats"] = room.table_seats.filter(role_revealed=True).order_by("slot_number")
-        raw_sig_cards = sig_deck_cards(room)
-        half = len(raw_sig_cards) // 2
-        ctx["sig_cards"] = [(c, 'levity') for c in raw_sig_cards[:half]] + [(c, 'gravity') for c in raw_sig_cards[half:]]
-        ctx["sig_seats"] = sig_seat_order(room)
-        ctx["sig_active_seat"] = active_sig_seat(room)
+        ctx["user_polarity"] = user_polarity
+        ctx["sig_reserve_url"] = f"/gameboard/room/{room.id}/sig-reserve"
+
+        # Pre-load existing reservations for this polarity so JS can restore
+        # grabbed state on page load/refresh.  Keyed by str(card_id) → role.
+        if user_polarity:
+            polarity_const = SigReservation.LEVITY if user_polarity == 'levity' else SigReservation.GRAVITY
+            reservations = {
+                str(res.card_id): res.role
+                for res in room.sig_reservations.filter(polarity=polarity_const)
+            }
+        else:
+            reservations = {}
+        ctx["sig_reservations_json"] = json.dumps(reservations)
+
+        if user_polarity == 'levity':
+            ctx["sig_cards"] = levity_sig_cards(room)
+        elif user_polarity == 'gravity':
+            ctx["sig_cards"] = gravity_sig_cards(room)
+        else:
+            ctx["sig_cards"] = []
     return ctx
 
 
@@ -526,6 +561,60 @@ def gate_status(request, room_id):
     return render(request, "apps/gameboard/_partials/_gatekeeper.html", ctx)
 
 
+@login_required
+def sig_reserve(request, room_id):
+    """Provisional card hold (OK / NVM) during SIG_SELECT.
+    POST body: card_id=<uuid>, action=reserve|release
+    """
+    if request.method != "POST":
+        return HttpResponse(status=405)
+    room = Room.objects.get(id=room_id)
+    if room.table_status != Room.SIG_SELECT:
+        return HttpResponse(status=400)
+
+    user_seat = room.table_seats.filter(gamer=request.user).first()
+    if not user_seat or not user_seat.role:
+        return HttpResponse(status=403)
+
+    action = request.POST.get("action", "reserve")
+
+    if action == "release":
+        SigReservation.objects.filter(room=room, gamer=request.user).delete()
+        _notify_sig_reserved(room_id, None, user_seat.role, reserved=False)
+        return HttpResponse(status=200)
+
+    # Reserve action
+    card_id = request.POST.get("card_id")
+    try:
+        card = TarotCard.objects.get(pk=card_id)
+    except TarotCard.DoesNotExist:
+        return HttpResponse(status=400)
+
+    polarity = SigReservation.LEVITY if user_seat.role in _LEVITY_ROLES else SigReservation.GRAVITY
+
+    # Block if another gamer in the same polarity already holds this card
+    if SigReservation.objects.filter(
+        room=room, card=card, polarity=polarity
+    ).exclude(gamer=request.user).exists():
+        return HttpResponse(status=409)
+
+    # Block if this gamer already holds a *different* card — must NVM first
+    existing = SigReservation.objects.filter(room=room, gamer=request.user).first()
+    if existing and existing.card != card:
+        return HttpResponse(status=409)
+
+    # Idempotent: already holding the same card
+    if existing:
+        return HttpResponse(status=200)
+
+    SigReservation.objects.create(
+        room=room, gamer=request.user, card=card,
+        role=user_seat.role, polarity=polarity,
+    )
+    _notify_sig_reserved(room_id, card.pk, user_seat.role, reserved=True)
+    return HttpResponse(status=200)
+
+
 @login_required
 def select_sig(request, room_id):
     if request.method != "POST":
diff --git a/src/static/tests/SigSelectSpec.js b/src/static/tests/SigSelectSpec.js
new file mode 100644
index 0000000..61f376f
--- /dev/null
+++ b/src/static/tests/SigSelectSpec.js
@@ -0,0 +1,215 @@
+describe("SigSelect", () => {
+    let testDiv, stageCard, card;
+
+    function makeFixture({ reservations = '{}' } = {}) {
+        testDiv = document.createElement("div");
+        testDiv.innerHTML = `
+            <div class="sig-overlay"
+                 data-polarity="levity"
+                 data-user-role="PC"
+                 data-reserve-url="/epic/room/test/sig-reserve"
+                 data-reservations="${reservations.replace(/"/g, '&quot;')}">
+                <div class="sig-modal">
+                    <div class="sig-stage">
+                        <div class="sig-stage-card" style="display:none">
+                            <span class="fan-corner-rank"></span>
+                            <i class="stage-suit-icon"></i>
+                            <p class="fan-card-name-group"></p>
+                            <h3 class="fan-card-name"></h3>
+                            <p class="fan-card-arcana"></p>
+                            <p class="fan-card-correspondence"></p>
+                        </div>
+                    </div>
+                    <div class="sig-deck-grid">
+                        <div class="sig-card"
+                             data-card-id="42"
+                             data-corner-rank="K"
+                             data-suit-icon=""
+                             data-name-group="Pentacles"
+                             data-name-title="King of Pentacles"
+                             data-arcana="Minor Arcana"
+                             data-correspondence="">
+                            <div class="fan-card-corner fan-card-corner--tl">
+                                <span class="fan-corner-rank">K</span>
+                            </div>
+                            <div class="sig-card-actions">
+                                <button class="sig-ok-btn btn btn-confirm">OK</button>
+                                <button class="sig-nvm-btn btn btn-cancel">NVM</button>
+                            </div>
+                            <div class="sig-card-cursors">
+                                <span class="sig-cursor sig-cursor--left"></span>
+                                <span class="sig-cursor sig-cursor--mid"></span>
+                                <span class="sig-cursor sig-cursor--right"></span>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        `;
+        document.body.appendChild(testDiv);
+        stageCard = testDiv.querySelector(".sig-stage-card");
+        card = testDiv.querySelector(".sig-card");
+        window.fetch = jasmine.createSpy("fetch").and.returnValue(
+            Promise.resolve({ ok: true })
+        );
+        window._roomSocket = { readyState: -1, send: jasmine.createSpy("send") };
+        SigSelect._testInit();
+    }
+
+    afterEach(() => {
+        if (testDiv) testDiv.remove();
+        delete window._roomSocket;
+    });
+
+    // ── Stage reveal on mouseenter ─────────────────────────────────────── //
+
+    describe("stage preview", () => {
+        beforeEach(() => makeFixture());
+
+        it("shows the stage card on mouseenter", () => {
+            card.dispatchEvent(new MouseEvent("mouseenter", { bubbles: true }));
+            expect(stageCard.style.display).toBe("");
+        });
+
+        it("hides the stage card on mouseleave when not frozen", () => {
+            card.dispatchEvent(new MouseEvent("mouseenter", { bubbles: true }));
+            card.dispatchEvent(new MouseEvent("mouseleave", { bubbles: true }));
+            expect(stageCard.style.display).toBe("none");
+        });
+
+        it("does NOT hide the stage card on mouseleave when frozen (reserved)", () => {
+            card.dispatchEvent(new MouseEvent("mouseenter", { bubbles: true }));
+            SigSelect._setFrozen(true);
+            card.dispatchEvent(new MouseEvent("mouseleave", { bubbles: true }));
+            expect(stageCard.style.display).toBe("");
+        });
+    });
+
+    // ── Card focus (click → OK overlay) ───────────────────────────────── //
+
+    describe("card click", () => {
+        beforeEach(() => makeFixture());
+
+        it("adds .sig-focused to the clicked card", () => {
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(true);
+        });
+
+        it("shows the stage card after click", () => {
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(stageCard.style.display).toBe("");
+        });
+
+        it("does not focus a card reserved by another role", () => {
+            card.dataset.reservedBy = "NC";
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(false);
+        });
+    });
+
+    // ── Touch: OK btn tap allows synthetic click through ──────────────── //
+
+    describe("touch on OK button", () => {
+        beforeEach(() => makeFixture());
+
+        it("touchstart on OK btn does not call preventDefault (allows synthetic click)", () => {
+            // First tap the card body to show OK
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(true);
+
+            // Now tap the OK button — touchstart should NOT preventDefault
+            var okBtn = card.querySelector(".sig-ok-btn");
+            var touchEvent = new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 1, target: okBtn })],
+            });
+            okBtn.dispatchEvent(touchEvent);
+            expect(touchEvent.defaultPrevented).toBe(false);
+        });
+
+        it("touchstart on card body (not OK btn) calls preventDefault", () => {
+            var touchEvent = new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 1, target: card })],
+            });
+            card.dispatchEvent(touchEvent);
+            expect(touchEvent.defaultPrevented).toBe(true);
+        });
+    });
+
+    // ── Touch outside grid dismisses stage (mobile) ───────────────────── //
+
+    describe("touch outside grid", () => {
+        beforeEach(() => makeFixture());
+
+        it("dismisses stage preview when touching outside the grid (unfocused state)", () => {
+            // Focus a card first
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(stageCard.style.display).toBe("");
+
+            // Touch on the sig-stage (outside the grid)
+            var stage = testDiv.querySelector(".sig-stage");
+            stage.dispatchEvent(new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 2, target: stage })],
+            }));
+            expect(stageCard.style.display).toBe("none");
+            expect(card.classList.contains("sig-focused")).toBe(false);
+        });
+
+        it("does NOT dismiss stage preview when frozen (card reserved)", () => {
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            SigSelect._setFrozen(true);
+            // _focusedCardEl is set but frozen — use internal state trick via _setFrozen
+            // We also need a focused card; simulate it by setting frozen after focus
+            var stage = testDiv.querySelector(".sig-stage");
+            stage.dispatchEvent(new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 3, target: stage })],
+            }));
+            expect(stageCard.style.display).toBe("");
+        });
+    });
+
+    // ── Lock after reservation ─────────────────────────────────────────── //
+
+    describe("lock after reservation", () => {
+        beforeEach(() => makeFixture());
+
+        it("does not focus another card while one is reserved", () => {
+            // Simulate a reservation on some other card (not this one)
+            SigSelect._setReservedCardId("99");
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(false);
+        });
+
+        it("does not call fetch when OK is clicked while a different card is reserved", () => {
+            SigSelect._setReservedCardId("99");
+            var okBtn = card.querySelector(".sig-ok-btn");
+            okBtn.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(window.fetch).not.toHaveBeenCalled();
+        });
+
+        it("does not call preventDefault on touchstart while a card is reserved", () => {
+            SigSelect._setReservedCardId("99");
+            var touchEvent = new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 1, target: card })],
+            });
+            card.dispatchEvent(touchEvent);
+            expect(touchEvent.defaultPrevented).toBe(false);
+        });
+
+        it("allows focus again after reservation is cleared", () => {
+            SigSelect._setReservedCardId("99");
+            SigSelect._setReservedCardId(null);
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(true);
+        });
+    });
+});
diff --git a/src/static/tests/SpecRunner.html b/src/static/tests/SpecRunner.html
index e6fe12b..1260321 100644
--- a/src/static/tests/SpecRunner.html
+++ b/src/static/tests/SpecRunner.html
@@ -21,10 +21,12 @@
     <script src="Spec.js"></script>
     <script src="RoleSelectSpec.js"></script>
     <script src="TraySpec.js"></script>
+    <script src="SigSelectSpec.js"></script>
     <!-- src files -->
     <script src="/static/apps/dashboard/dashboard.js"></script>
     <script src="/static/apps/epic/role-select.js"></script>
     <script src="/static/apps/epic/tray.js"></script>
+    <script src="/static/apps/epic/sig-select.js"></script>
     <!-- Jasmine env config (optional) -->
     <script src="lib/jasmine-6.0.1/boot1.js"></script>
     
diff --git a/src/static_src/scss/_base.scss b/src/static_src/scss/_base.scss
index f45645a..6d9c8c9 100644
--- a/src/static_src/scss/_base.scss
+++ b/src/static_src/scss/_base.scss
@@ -211,7 +211,7 @@ body {
         border-bottom: none;
         border-right: 0.1rem solid rgba(var(--secUser), 0.4);
         background-color: rgba(var(--priUser), 1);
-        z-index: 300;
+        z-index: 100;
         overflow: hidden;
 
         .container-fluid {
diff --git a/src/static_src/scss/_room.scss b/src/static_src/scss/_room.scss
index 6775ea2..23ad486 100644
--- a/src/static_src/scss/_room.scss
+++ b/src/static_src/scss/_room.scss
@@ -817,72 +817,245 @@ $card-h: 60px;
 }
 
 
-// ─── Significator deck (SIG_SELECT phase) ──────────────────────────────────
+// ─── Sig Select overlay (SIG_SELECT phase) ────────────────────────────────────
+//
+// Two overlays (levity / gravity) run in parallel, one per polarity group.
+// Layout mirrors the gatekeeper: dark Gaussian backdrop + centred modal.
+// Inside the modal: upper stage (card preview) + lower mini card grid (no scroll).
 
-// When the sig deck is present, switch room-page from centred to column layout
-.room-page:has(#id_sig_deck) {
-    flex-direction: column;
-    align-items: stretch;
-    justify-content: flex-start;
-    gap: 1rem;
-
-    .room-shell {
-        max-height: 50vh;
-    }
+html:has(.sig-backdrop) {
+    overflow: hidden;
 }
 
-#id_sig_deck {
+.sig-backdrop {
+    position: fixed;
+    inset: 0;
+    background: rgba(0, 0, 0, 0.75);
+    backdrop-filter: blur(5px);
+    z-index: 100;
+    pointer-events: none;
+}
+
+.sig-overlay {
+    position: fixed;
+    inset: 0;
     display: flex;
-    flex-wrap: wrap;
-    gap: 0.4rem;
+    align-items: stretch;
+    justify-content: center;
+    z-index: 120;
+    pointer-events: none;
+}
+
+.sig-modal {
+    pointer-events: auto;
+    display: flex;
+    flex-direction: column;
+    width: 100%;       // respects overlay padding-right set by JS
+    max-width: 420px;
+    max-height: 100%;  // respects overlay padding-bottom set by JS
+}
+
+// ─── Stage ────────────────────────────────────────────────────────────────────
+// flex: 1 — fills all space above the card grid; no background (backdrop blur).
+// Row layout: preview card bottom-left, stat block fills the right.
+// Card width is set by sizeSigCard() in room.js (smaller of 40% stage width or
+// 80% stage height × 5/8) via --sig-card-w CSS variable — libsass can't handle
+// container query units inside min().
+
+.sig-stage {
+    flex: 1;
+    min-height: 0;
+    display: flex;
+    flex-direction: row;
+    align-items: flex-end;
     padding: 0.75rem;
-    overflow-y: auto;
-    align-content: flex-start;
-    max-height: 45vh;
-    scrollbar-width: thin;
-    scrollbar-color: rgba(var(--terUser), 0.3) transparent;
+    gap: 0.75rem;
+
+    // Preview card — width driven by JS via --sig-card-w; aspect-ratio derives height.
+    .sig-stage-card {
+        flex-shrink: 0;
+        width: var(--sig-card-w, 120px);
+        height: auto;
+        aspect-ratio: 5 / 8;
+        border-radius: 0.5rem;
+        background: rgba(var(--priUser), 1);
+        border: 0.15rem solid rgba(var(--secUser), 0.6);
+        display: flex;
+        flex-direction: column;
+        position: relative;
+        padding: 0.25rem;
+        overflow: hidden;
+
+        // game-kit sets .fan-card-corner { position: absolute; top/left offsets }
+        // so these just need display/font overrides; the corners land at the card edges.
+        .fan-card-corner--tl {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            line-height: 1.1;
+            gap: 0.1rem;
+
+            .fan-corner-rank { font-size: 1rem; font-weight: 700; }
+            i { font-size: 0.75rem; }
+        }
+
+        .fan-card-corner--br {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            line-height: 1.1;
+            gap: 0.1rem;
+
+            .fan-corner-rank { font-size: 0.9rem; font-weight: 700; }
+            i { font-size: 0.75rem; }
+        }
+
+        .fan-card-face {
+            flex: 1;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            justify-content: center;
+            text-align: center;
+            padding: 0.25rem 0.15rem;
+            gap: 0.2rem;
+
+            .fan-card-name-group    { font-size: 0.55rem; opacity: 0.6; }
+            .fan-card-name          { font-size: 0.7rem; font-weight: 600; }
+            .fan-card-arcana        { font-size: 0.5rem; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.5; }
+            .fan-card-correspondence{ font-size: 0.5rem; opacity: 0.5; }
+        }
+    }
+
+    // Stat block — hidden until a card is previewed; fills remaining stage width.
+    .sig-stat-block {
+        flex: 1;
+        align-self: stretch;
+        background: rgba(var(--priUser), 0.25);
+        border-radius: 0.4rem;
+        border: 0.1rem solid rgba(var(--terUser), 0.15);
+        display: none;
+    }
+
+    &.sig-stage--frozen .sig-stat-block { display: block; }
+}
+
+// ─── Mini card grid ───────────────────────────────────────────────────────────
+// flex: 0 0 auto — shrinks to card content; no background (backdrop blur).
+// align-content: start prevents CSS grid from distributing extra height between rows.
+
+.sig-deck-grid {
+    flex: 0 0 auto;
+    display: grid;
+    grid-template-columns: repeat(6, 1fr);
+    align-content: start;
+    gap: 2px;
+    padding: 4px;
+    overflow: hidden;
+    margin: 0 1rem 5rem 4rem;
 }
 
 .sig-card {
-    width: 70px;
-    height: 108px;
-    border-radius: 0.4rem;
-    background: rgba(var(--priUser), 1);
-    border: 0.1rem solid rgba(var(--secUser), 0.4);
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    justify-content: center;
-    text-align: center;
-    padding: 0.25rem;
-    cursor: pointer;
-    transition: transform 0.15s, border-color 0.15s;
+    aspect-ratio: 5 / 8;
+    border-radius: 3px;
+    background: rgba(var(--priUser), 0.97);
+    border: 1px solid rgba(var(--secUser), 0.3);
     position: relative;
+    cursor: grab;
+    transition: border-color 0.15s, box-shadow 0.15s;
+    overflow: hidden;
 
-    &:hover {
-        border-color: rgba(var(--secUser), 1);
-        transform: translateY(-2px);
-        box-shadow: 0 0 0.5rem rgba(var(--secUser), 0.3);
-    }
-
-    // Bottom corner is redundant at this size
-    .fan-card-corner--br { display: none; }
-
-    // Top corner — override game-kit's 1.5rem defaults with deeper nesting
+    // game-kit sets .fan-card-corner { position:absolute; top:0.4rem; left:0.4rem }
+    // Override: center the element within the card instead.
     .fan-card-corner--tl {
-        .fan-corner-rank { font-size: 0.65rem; padding: 0; }
-        i { font-size: 0.55rem; }
+        top: 50%;
+        left: 50%;
+        transform: translate(-50%, -50%);
+        gap: 0;  // game-kit has gap:0.15rem — too large at 0.5rem font-size
+
+        .fan-corner-rank { font-size: 1rem; font-weight: 700; }
+        i { font-size: 0.75rem; }
     }
 
-    // Face — deeper nesting to beat game-kit specificity
-    .fan-card-face {
-        padding: 0.25rem 0.2rem;
-        gap: 0.1rem;
+    // OK / NVM overlay — appears on click (focused) or own reservation
+    .sig-card-actions {
+        position: absolute;
+        inset: 0;
+        display: none;
+        flex-direction: column;
+        align-items: center;
+        justify-content: center;
+        gap: 3px;
+        background: rgba(var(--priUser), 0.92);
+        border-radius: inherit;
 
-        .fan-card-name-group { font-size: 0.38rem; }
-        .fan-card-name       { font-size: 0.5rem; }
-        .fan-card-arcana     { font-size: 0.35rem; }
+        .sig-nvm-btn { display: none; }
+    }
+
+    &.sig-focused .sig-card-actions { display: flex; }
+    &.sig-reserved--own .sig-card-actions {
+        display: flex;
+        .sig-ok-btn  { display: none; }
+        .sig-nvm-btn { display: flex; }
+    }
+
+    // Cursor anchors strip — bottom of card
+    .sig-card-cursors {
+        position: absolute;
+        bottom: 2px;
+        left: 2px;
+        right: 2px;
+        display: flex;
+        justify-content: space-between;
+    }
+
+    &:hover:not([data-reserved-by]) {
+        border-color: rgba(var(--secUser), 0.8);
+        box-shadow: 0 0 4px rgba(var(--secUser), 0.25);
+    }
+
+    &.sig-reserved {
+        border-color: rgba(var(--terUser), 1);
+        box-shadow:
+            0 0 0.4rem rgba(var(--terUser), 0.7),
+            0 0 1rem rgba(var(--ninUser), 0.4);
+        cursor: not-allowed;
+    }
+
+    &.sig-reserved--own {
+        border-color: rgba(var(--secUser), 1);
+        box-shadow:
+            0 0 0.4rem rgba(var(--secUser), 0.7),
+            0 0 1rem rgba(var(--ninUser), 0.5);
+        cursor: grabbing;
     }
 }
 
+// ─── Cursor anchors ───────────────────────────────────────────────────────────
+//
+// Three tiny dots along the bottom of each mini card, one per role in the group.
+// Inactive: invisible. Active (another gamer is hovering): coloured dot.
+
+.sig-cursor {
+    display: block;
+    width: 5px;
+    height: 5px;
+    border-radius: 50%;
+    background: transparent;
+    transition: background 0.1s;
+
+    &.active {
+        background: rgba(var(--terUser), 1);
+        box-shadow: 0 0 3px rgba(var(--ninUser), 0.8);
+    }
+}
+
+// ─── Sig select: landscape overrides ─────────────────────────────────────────
+// Wider viewport → 2 rows of 9 cards; modal allowed to fill available width.
+
+@media (orientation: landscape) {
+    .sig-modal   { max-width: none; }
+    .sig-deck-grid { grid-template-columns: repeat(9, 1fr); }
+}
+
 // ─── Seat tray — see _tray.scss ─────────────────────────────────────────────
diff --git a/src/static_src/tests/SigSelectSpec.js b/src/static_src/tests/SigSelectSpec.js
new file mode 100644
index 0000000..61f376f
--- /dev/null
+++ b/src/static_src/tests/SigSelectSpec.js
@@ -0,0 +1,215 @@
+describe("SigSelect", () => {
+    let testDiv, stageCard, card;
+
+    function makeFixture({ reservations = '{}' } = {}) {
+        testDiv = document.createElement("div");
+        testDiv.innerHTML = `
+            <div class="sig-overlay"
+                 data-polarity="levity"
+                 data-user-role="PC"
+                 data-reserve-url="/epic/room/test/sig-reserve"
+                 data-reservations="${reservations.replace(/"/g, '&quot;')}">
+                <div class="sig-modal">
+                    <div class="sig-stage">
+                        <div class="sig-stage-card" style="display:none">
+                            <span class="fan-corner-rank"></span>
+                            <i class="stage-suit-icon"></i>
+                            <p class="fan-card-name-group"></p>
+                            <h3 class="fan-card-name"></h3>
+                            <p class="fan-card-arcana"></p>
+                            <p class="fan-card-correspondence"></p>
+                        </div>
+                    </div>
+                    <div class="sig-deck-grid">
+                        <div class="sig-card"
+                             data-card-id="42"
+                             data-corner-rank="K"
+                             data-suit-icon=""
+                             data-name-group="Pentacles"
+                             data-name-title="King of Pentacles"
+                             data-arcana="Minor Arcana"
+                             data-correspondence="">
+                            <div class="fan-card-corner fan-card-corner--tl">
+                                <span class="fan-corner-rank">K</span>
+                            </div>
+                            <div class="sig-card-actions">
+                                <button class="sig-ok-btn btn btn-confirm">OK</button>
+                                <button class="sig-nvm-btn btn btn-cancel">NVM</button>
+                            </div>
+                            <div class="sig-card-cursors">
+                                <span class="sig-cursor sig-cursor--left"></span>
+                                <span class="sig-cursor sig-cursor--mid"></span>
+                                <span class="sig-cursor sig-cursor--right"></span>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        `;
+        document.body.appendChild(testDiv);
+        stageCard = testDiv.querySelector(".sig-stage-card");
+        card = testDiv.querySelector(".sig-card");
+        window.fetch = jasmine.createSpy("fetch").and.returnValue(
+            Promise.resolve({ ok: true })
+        );
+        window._roomSocket = { readyState: -1, send: jasmine.createSpy("send") };
+        SigSelect._testInit();
+    }
+
+    afterEach(() => {
+        if (testDiv) testDiv.remove();
+        delete window._roomSocket;
+    });
+
+    // ── Stage reveal on mouseenter ─────────────────────────────────────── //
+
+    describe("stage preview", () => {
+        beforeEach(() => makeFixture());
+
+        it("shows the stage card on mouseenter", () => {
+            card.dispatchEvent(new MouseEvent("mouseenter", { bubbles: true }));
+            expect(stageCard.style.display).toBe("");
+        });
+
+        it("hides the stage card on mouseleave when not frozen", () => {
+            card.dispatchEvent(new MouseEvent("mouseenter", { bubbles: true }));
+            card.dispatchEvent(new MouseEvent("mouseleave", { bubbles: true }));
+            expect(stageCard.style.display).toBe("none");
+        });
+
+        it("does NOT hide the stage card on mouseleave when frozen (reserved)", () => {
+            card.dispatchEvent(new MouseEvent("mouseenter", { bubbles: true }));
+            SigSelect._setFrozen(true);
+            card.dispatchEvent(new MouseEvent("mouseleave", { bubbles: true }));
+            expect(stageCard.style.display).toBe("");
+        });
+    });
+
+    // ── Card focus (click → OK overlay) ───────────────────────────────── //
+
+    describe("card click", () => {
+        beforeEach(() => makeFixture());
+
+        it("adds .sig-focused to the clicked card", () => {
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(true);
+        });
+
+        it("shows the stage card after click", () => {
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(stageCard.style.display).toBe("");
+        });
+
+        it("does not focus a card reserved by another role", () => {
+            card.dataset.reservedBy = "NC";
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(false);
+        });
+    });
+
+    // ── Touch: OK btn tap allows synthetic click through ──────────────── //
+
+    describe("touch on OK button", () => {
+        beforeEach(() => makeFixture());
+
+        it("touchstart on OK btn does not call preventDefault (allows synthetic click)", () => {
+            // First tap the card body to show OK
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(true);
+
+            // Now tap the OK button — touchstart should NOT preventDefault
+            var okBtn = card.querySelector(".sig-ok-btn");
+            var touchEvent = new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 1, target: okBtn })],
+            });
+            okBtn.dispatchEvent(touchEvent);
+            expect(touchEvent.defaultPrevented).toBe(false);
+        });
+
+        it("touchstart on card body (not OK btn) calls preventDefault", () => {
+            var touchEvent = new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 1, target: card })],
+            });
+            card.dispatchEvent(touchEvent);
+            expect(touchEvent.defaultPrevented).toBe(true);
+        });
+    });
+
+    // ── Touch outside grid dismisses stage (mobile) ───────────────────── //
+
+    describe("touch outside grid", () => {
+        beforeEach(() => makeFixture());
+
+        it("dismisses stage preview when touching outside the grid (unfocused state)", () => {
+            // Focus a card first
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(stageCard.style.display).toBe("");
+
+            // Touch on the sig-stage (outside the grid)
+            var stage = testDiv.querySelector(".sig-stage");
+            stage.dispatchEvent(new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 2, target: stage })],
+            }));
+            expect(stageCard.style.display).toBe("none");
+            expect(card.classList.contains("sig-focused")).toBe(false);
+        });
+
+        it("does NOT dismiss stage preview when frozen (card reserved)", () => {
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            SigSelect._setFrozen(true);
+            // _focusedCardEl is set but frozen — use internal state trick via _setFrozen
+            // We also need a focused card; simulate it by setting frozen after focus
+            var stage = testDiv.querySelector(".sig-stage");
+            stage.dispatchEvent(new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 3, target: stage })],
+            }));
+            expect(stageCard.style.display).toBe("");
+        });
+    });
+
+    // ── Lock after reservation ─────────────────────────────────────────── //
+
+    describe("lock after reservation", () => {
+        beforeEach(() => makeFixture());
+
+        it("does not focus another card while one is reserved", () => {
+            // Simulate a reservation on some other card (not this one)
+            SigSelect._setReservedCardId("99");
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(false);
+        });
+
+        it("does not call fetch when OK is clicked while a different card is reserved", () => {
+            SigSelect._setReservedCardId("99");
+            var okBtn = card.querySelector(".sig-ok-btn");
+            okBtn.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(window.fetch).not.toHaveBeenCalled();
+        });
+
+        it("does not call preventDefault on touchstart while a card is reserved", () => {
+            SigSelect._setReservedCardId("99");
+            var touchEvent = new TouchEvent("touchstart", {
+                bubbles: true,
+                cancelable: true,
+                touches: [new Touch({ identifier: 1, target: card })],
+            });
+            card.dispatchEvent(touchEvent);
+            expect(touchEvent.defaultPrevented).toBe(false);
+        });
+
+        it("allows focus again after reservation is cleared", () => {
+            SigSelect._setReservedCardId("99");
+            SigSelect._setReservedCardId(null);
+            card.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+            expect(card.classList.contains("sig-focused")).toBe(true);
+        });
+    });
+});
diff --git a/src/static_src/tests/SpecRunner.html b/src/static_src/tests/SpecRunner.html
index e6fe12b..1260321 100644
--- a/src/static_src/tests/SpecRunner.html
+++ b/src/static_src/tests/SpecRunner.html
@@ -21,10 +21,12 @@
     <script src="Spec.js"></script>
     <script src="RoleSelectSpec.js"></script>
     <script src="TraySpec.js"></script>
+    <script src="SigSelectSpec.js"></script>
     <!-- src files -->
     <script src="/static/apps/dashboard/dashboard.js"></script>
     <script src="/static/apps/epic/role-select.js"></script>
     <script src="/static/apps/epic/tray.js"></script>
+    <script src="/static/apps/epic/sig-select.js"></script>
     <!-- Jasmine env config (optional) -->
     <script src="lib/jasmine-6.0.1/boot1.js"></script>
     
diff --git a/src/templates/apps/gameboard/_partials/_sig_select_overlay.html b/src/templates/apps/gameboard/_partials/_sig_select_overlay.html
new file mode 100644
index 0000000..84a273e
--- /dev/null
+++ b/src/templates/apps/gameboard/_partials/_sig_select_overlay.html
@@ -0,0 +1,64 @@
+{% load i18n %}{% comment %}
+Sig Select overlay — dark Gaussian modal over the dormant table hex.
+Rendered for the current user's polarity group only.
+Context: sig_cards, user_polarity, user_seat, sig_reserve_url, sig_reservations_json
+{% endcomment %}
+<div class="sig-backdrop"></div>
+<div class="sig-overlay"
+     data-polarity="{{ user_polarity }}"
+     data-user-role="{{ user_seat.role }}"
+     data-reserve-url="{{ sig_reserve_url }}"
+     data-reservations="{{ sig_reservations_json }}">
+
+    <div class="sig-modal">
+
+        <div class="sig-stage" id="id_sig_stage">
+
+            <div class="sig-stage-card" style="display:none">
+                <div class="fan-card-corner fan-card-corner--tl">
+                    <span class="fan-corner-rank"></span>
+                    <i class="fa-solid stage-suit-icon" style="display:none"></i>
+                </div>
+                <div class="fan-card-face">
+                    <p class="fan-card-name-group"></p>
+                    <h3 class="fan-card-name"></h3>
+                    <p class="fan-card-arcana"></p>
+                    <p class="fan-card-correspondence"></p>
+                </div>
+                <div class="fan-card-corner fan-card-corner--br">
+                    <span class="fan-corner-rank"></span>
+                    <i class="fa-solid stage-suit-icon" style="display:none"></i>
+                </div>
+            </div>
+            <div class="sig-stat-block"></div>
+        </div>
+
+        <div class="sig-deck-grid" id="id_sig_deck">
+            {% for card in sig_cards %}
+            <div class="sig-card {{ user_polarity }}-deck"
+                 data-card-id="{{ card.id }}"
+                 data-suit-icon="{{ card.suit_icon }}"
+                 data-corner-rank="{{ card.corner_rank }}"
+                 data-name-group="{{ card.name_group }}"
+                 data-name-title="{{ card.name_title }}"
+                 data-arcana="{{ card.get_arcana_display }}"
+                 data-correspondence="{{ card.correspondence|default:'' }}">
+                <div class="fan-card-corner fan-card-corner--tl">
+                    <span class="fan-corner-rank">{{ card.corner_rank }}</span>
+                    {% if card.suit_icon %}<i class="fa-solid {{ card.suit_icon }}"></i>{% endif %}
+                </div>
+                <div class="sig-card-actions">
+                    <button class="sig-ok-btn btn btn-confirm" type="button">OK</button>
+                    <button class="sig-nvm-btn btn btn-cancel" type="button">NVM</button>
+                </div>
+                <div class="sig-card-cursors">
+                    <span class="sig-cursor sig-cursor--left"></span>
+                    <span class="sig-cursor sig-cursor--mid"></span>
+                    <span class="sig-cursor sig-cursor--right"></span>
+                </div>
+            </div>
+            {% endfor %}
+        </div>
+
+    </div>
+</div>
diff --git a/src/templates/apps/gameboard/room.html b/src/templates/apps/gameboard/room.html
index f8e4794..3a08f54 100644
--- a/src/templates/apps/gameboard/room.html
+++ b/src/templates/apps/gameboard/room.html
@@ -36,17 +36,7 @@
                             </div>
                         </div>
                     </div>
-                {% if room.table_status == "SIG_SELECT" and sig_seats %}
-                    {% for seat in sig_seats %}
-                        <div class="table-seat{% if seat == sig_active_seat %} active{% endif %}" data-role="{{ seat.role }}" data-slot="{{ seat.slot_number }}">
-                            <div class="seat-portrait">{{ seat.slot_number }}</div>
-                            <div class="seat-card-arc"></div>
-                            <span class="seat-label">
-                                {% if seat.gamer %}@{{ seat.gamer.username|default:seat.gamer.email }}{% endif %}
-                            </span>
-                        </div>
-                    {% endfor %}
-                {% else %}
+                    {# Seats — fa-chair layout persists from ROLE_SELECT through SIG_SELECT #}
                     {% for pos in gate_positions %}
                         <div class="table-seat{% if pos.role_label in starter_roles %} role-confirmed{% endif %}"
                              data-slot="{{ pos.slot.slot_number }}" data-role="{{ pos.role_label }}">
@@ -59,33 +49,13 @@
                             {% endif %}
                         </div>
                     {% endfor %}
-                {% endif %}
                 </div>
             </div>
         </div>
 
-        {% if room.table_status == "SIG_SELECT" and sig_cards %}
-            <div id="id_sig_deck"
-                 data-select-sig-url="{% url 'epic:select_sig' room.id %}"
-                 data-user-role="{{ user_seat.role|default:'' }}">
-                {% for card, deck_type in sig_cards %}
-                    <div class="sig-card {{ deck_type }}-deck" data-card-id="{{ card.id }}" data-deck="{{ deck_type }}">
-                        <div class="fan-card-corner fan-card-corner--tl">
-                            <span class="fan-corner-rank">{{ card.corner_rank }}</span>
-                            {% if card.suit_icon %}<i class="fa-solid {{ card.suit_icon }}"></i>{% endif %}
-                        </div>
-                        <div class="fan-card-face">
-                            {% if card.name_group %}<p class="fan-card-name-group">{{ card.name_group }}</p>{% endif %}
-                            <h3 class="fan-card-name">{{ card.name_title }}</h3>
-                            <p class="fan-card-arcana">{{ card.get_arcana_display }}</p>
-                        </div>
-                        <div class="fan-card-corner fan-card-corner--br">
-                            <span class="fan-corner-rank">{{ card.corner_rank }}</span>
-                            {% if card.suit_icon %}<i class="fa-solid {{ card.suit_icon }}"></i>{% endif %}
-                        </div>
-                    </div>
-                {% endfor %}
-            </div>
+        {# Sig Select overlay — only shown to seated gamers in this polarity #}
+        {% if room.table_status == "SIG_SELECT" and user_polarity %}
+            {% include "apps/gameboard/_partials/_sig_select_overlay.html" %}
         {% endif %}
 
         {% if room.gate_status != "RENEWAL_DUE" and room.table_status != "SIG_SELECT" %}
@@ -115,4 +85,4 @@
     <script src="{% static 'apps/epic/role-select.js' %}"></script>
     <script src="{% static 'apps/epic/sig-select.js' %}"></script>
     <script src="{% static 'apps/epic/tray.js' %}"></script>
-{% endblock scripts %}
\ No newline at end of file
+{% endblock scripts %}