fix: stabilize session table layout

src/GmRelay.Web/wwwroot/app.css

@@ -1,5 +1,5 @@
 /* ============================================
-   GM-Relay Design System v1.9.4
+   GM-Relay Design System v1.9.5
    Dark RPG Dashboard Theme
    ============================================ */
 
@@ -422,6 +422,46 @@ select option {
     border-bottom: none;
 }
 
+.session-table-desktop {
+    overflow-x: auto;
+    overflow-y: hidden;
+}
+
+.session-table-desktop-card {
+    padding: 0;
+}
+
+.session-table-desktop .gm-table {
+    min-width: 760px;
+}
+
+.session-table-desktop .gm-table th:last-child,
+.session-table-desktop .gm-table td:last-child {
+    width: 8.5rem;
+    min-width: 8.5rem;
+}
+
+.session-join-link {
+    display: inline-block;
+    max-width: 150px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.session-table-actions {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    flex-wrap: wrap;
+}
+
+.session-table-actions .btn-gm {
+    font-size: 0.8125rem;
+    padding: 0.375rem 0.75rem;
+    white-space: nowrap;
+}
+
 /* === Alerts === */
 .gm-alert {
     padding: 0.875rem 1.125rem;
@@ -918,7 +958,64 @@ body.telegram-mini-app .content {
     display: none;
 }
 
-@media (max-width: 768px) {
+body.telegram-mini-app .session-table-desktop {
+    display: none;
+}
+
+body.telegram-mini-app .session-card-mobile {
+    display: block;
+}
+
+.session-card {
+    background: var(--glass-bg);
+    backdrop-filter: blur(var(--glass-blur));
+    border: 1px solid var(--glass-border);
+    border-radius: var(--radius-md);
+    padding: 1rem;
+    margin-bottom: 0.75rem;
+    transition: all var(--transition-smooth);
+}
+
+.session-card:hover {
+    border-color: var(--border-glow);
+}
+
+.session-card-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: flex-start;
+    margin-bottom: 0.75rem;
+}
+
+.session-card-title {
+    font-weight: 600;
+    font-size: 0.9375rem;
+    color: var(--text-primary);
+}
+
+.session-card-body {
+    display: flex;
+    flex-direction: column;
+    gap: 0.5rem;
+    font-size: 0.8125rem;
+    color: var(--text-secondary);
+}
+
+.session-card-row {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.session-card-actions {
+    margin-top: 0.75rem;
+    padding-top: 0.75rem;
+    border-top: 1px solid var(--border-color);
+    display: flex;
+    gap: 0.5rem;
+}
+
+@media (max-width: 1024px) {
     .session-table-desktop {
         display: none;
     }
@@ -926,56 +1023,9 @@ body.telegram-mini-app .content {
     .session-card-mobile {
         display: block;
     }
+}
 
-    .session-card {
-        background: var(--glass-bg);
-        backdrop-filter: blur(var(--glass-blur));
-        border: 1px solid var(--glass-border);
-        border-radius: var(--radius-md);
-        padding: 1rem;
-        margin-bottom: 0.75rem;
-        transition: all var(--transition-smooth);
-    }
-
-    .session-card:hover {
-        border-color: var(--border-glow);
-    }
-
-    .session-card-header {
-        display: flex;
-        justify-content: space-between;
-        align-items: flex-start;
-        margin-bottom: 0.75rem;
-    }
-
-    .session-card-title {
-        font-weight: 600;
-        font-size: 0.9375rem;
-        color: var(--text-primary);
-    }
-
-    .session-card-body {
-        display: flex;
-        flex-direction: column;
-        gap: 0.5rem;
-        font-size: 0.8125rem;
-        color: var(--text-secondary);
-    }
-
-    .session-card-row {
-        display: flex;
-        justify-content: space-between;
-        align-items: center;
-    }
-
-    .session-card-actions {
-        margin-top: 0.75rem;
-        padding-top: 0.75rem;
-        border-top: 1px solid var(--border-color);
-        display: flex;
-        gap: 0.5rem;
-    }
-
+@media (max-width: 768px) {
     .card-grid {
         grid-template-columns: 1fr;
     }