diff --git a/content/styles/cards.css b/content/styles/cards.css
index 77ed61d..ec38066 100644
--- a/content/styles/cards.css
+++ b/content/styles/cards.css
@@ -1,9 +1,8 @@
 /* --- Post list container --- */
 html.rt-card-enabled #siteTable {
-  display: flex;
-  flex-direction: column;
-  align-items: flex-start;
-  gap: var(--rt-card-gap, 1rem);
+  padding-left: 8px;
+  padding-right: 6px;
+  box-sizing: border-box;
 }
 
 html.rt-card-enabled #siteTable > .clearleft {
@@ -12,26 +11,110 @@ html.rt-card-enabled #siteTable > .clearleft {
 
 /* --- Card container --- */
 .rt-card {
-  background: #ffffff;
+  position: relative;
+  background: #ffffff !important;
   color: #0a0a0a;
-  border: 1px solid #e5e5e5;
+  border: 1px solid #e5e5e5 !important;
   border-radius: 0.875rem;
-  padding: 1.5rem;
+  padding: 1rem;
   box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
-  transition: border-color 0.15s;
+  transition: border-color 0.15s, background-color 0.15s;
   display: flex;
   align-items: flex-start;
   gap: 0.75rem;
-  width: 100%;
+  margin-bottom: var(--rt-card-gap, 1rem);
+  box-sizing: border-box;
   overflow: hidden;
 }
 
 .rt-card:hover {
-  border-color: #d4d4d4;
+  border-color: #d4d4d4 !important;
+}
+
+/* --- Card density --- */
+html.rt-density-cozy .rt-card {
+  padding: 0.5rem;
+  gap: 0.5rem;
+  border-radius: 0.5rem;
+}
+html.rt-density-cozy .rt-card .midcol {
+  border-radius: 0.5rem;
+}
+
+html.rt-density-modern .rt-card {
+  padding: 1rem;
+  gap: 0.75rem;
+  border-radius: 0.75rem;
+}
+html.rt-density-modern .rt-card .midcol {
+  border-radius: 0.75rem;
+}
+
+html.rt-density-extra .rt-card {
+  padding: 1.5rem;
+  gap: 0.75rem;
+  border-radius: 0.875rem;
+}
+html.rt-density-extra .rt-card .midcol {
+  border-radius: 0.875rem;
+}
+
+/* --- Rank badge: watermark matching card border color --- */
+.rt-card .rt-rank-badge {
+  position: absolute !important;
+  top: 4px !important;
+  left: 6px !important;
+  float: none !important;
+  margin: 0 !important;
+  width: auto !important;
+  font-size: 9px !important;
+  font-weight: 600 !important;
+  color: #e5e5e5 !important;
+  background: none !important;
+  border: none !important;
+  padding: 0 !important;
+  line-height: 1 !important;
+  pointer-events: none;
+  user-select: none;
+}
+
+html.rt-dark .rt-card .rt-rank-badge {
+  color: rgba(255, 255, 255, 0.1) !important;
+}
+
+/* --- Voting pill: interactive capsule --- */
+.rt-card .midcol {
+  float: none;
+  flex-shrink: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 0;
+  min-width: 0;
+  padding: 4px 6px;
+  background: #f5f5f5;
+  border: 1px solid #e5e5e5;
+  border-radius: 0.875rem;
+  margin-top: 4px;
+}
+
+.rt-card .midcol .score {
+  font-size: 1rem;
+  font-weight: 700;
+  line-height: 1.3;
+}
+
+html.rt-dark .rt-card .midcol {
+  background: #262626;
+  border-color: #3a3a3a;
+}
+
+/* --- Post title --- */
+.rt-card .entry a.title {
+  font-weight: 700 !important;
 }
 
 /* --- Card internal layout overrides --- */
-.rt-card .midcol,
 .rt-card .thumbnail {
   float: none;
   flex-shrink: 0;
@@ -46,22 +129,149 @@ html.rt-card-enabled #siteTable > .clearleft {
   display: none;
 }
 
-/* --- Card dark mode --- */
-.rt-dark .rt-card {
-  background: #171717;
+/* --- Suppress Reddit/RES selection visuals unconditionally --- */
+html.rt-card-enabled .rt-card.last-clicked,
+html.rt-card-enabled .rt-card.res-selected,
+html.rt-card-enabled .rt-card.RES-keyNav-activeElement {
+  outline: none !important;
+}
+
+html.rt-card-enabled .rt-card .entry.res-selected,
+html.rt-card-enabled .rt-card .entry.RES-keyNav-activeElement {
+  background: transparent !important;
+  outline: none !important;
+}
+
+/* --- Our selection: .rt-selected (light) --- */
+html.rt-card-enabled .rt-card.rt-selected {
+  border: 1px solid #c5cdf0 !important;
+  outline: none !important;
+  background: #f0f3fc !important;
+}
+
+html.rt-card-enabled .rt-card.rt-selected .rt-rank-badge {
+  color: #c5cdf0 !important;
+}
+
+html.rt-card-enabled .rt-card.rt-selected .midcol {
+  background: #eff7ff;
+  border-color: #c5cdf0;
+}
+
+html.rt-card-enabled .rt-card.rt-selected .midcol .score.unvoted {
+  color: #336699 !important;
+}
+
+html.rt-card-enabled .rt-card.rt-selected .midcol.unvoted .arrow {
+  filter: brightness(0) saturate(100%) invert(35%) sepia(30%) saturate(1000%) hue-rotate(175deg) brightness(90%);
+}
+
+/* --- Voted pill: tint + dim when deselected --- */
+html.rt-card-enabled .rt-card .midcol.likes {
+  background: rgba(255, 139, 96, 0.12) !important;
+  border-color: #ff8b60 !important;
+  opacity: 0.45;
+}
+
+html.rt-card-enabled .rt-card .midcol.dislikes {
+  background: rgba(148, 148, 255, 0.12) !important;
+  border-color: #9494ff !important;
+  opacity: 0.45;
+}
+
+/* Opposing arrow: tint to match voted arrow, kept secondary */
+html.rt-card-enabled .rt-card .midcol.likes .arrow.down {
+  filter: brightness(0) saturate(100%) invert(55%) sepia(90%) saturate(700%) hue-rotate(340deg);
+  opacity: 0.4;
+}
+
+html.rt-card-enabled .rt-card .midcol.dislikes .arrow.up {
+  filter: brightness(0) saturate(100%) invert(55%) sepia(70%) saturate(1200%) hue-rotate(210deg);
+  opacity: 0.4;
+}
+
+/* --- Voted pill: vibrant when selected --- */
+html.rt-card-enabled .rt-card.rt-selected .midcol.likes {
+  background: rgba(255, 139, 96, 0.12) !important;
+  border-color: #ff8b60 !important;
+  opacity: 1;
+}
+
+html.rt-card-enabled .rt-card.rt-selected .midcol.dislikes {
+  background: rgba(148, 148, 255, 0.12) !important;
+  border-color: #9494ff !important;
+  opacity: 1;
+}
+
+/* --- Our selection: .rt-selected (dark) --- */
+html.rt-card-enabled.rt-dark .rt-card.rt-selected {
+  border: 1px solid rgba(255, 255, 255, 0.3) !important;
+  outline: none !important;
+  background: #2a2a3a !important;
+}
+
+html.rt-card-enabled.rt-dark .rt-card.rt-selected .rt-rank-badge {
+  color: rgba(255, 255, 255, 0.3) !important;
+}
+
+html.rt-card-enabled.rt-dark .rt-card.rt-selected .midcol {
+  background: #333345;
+  border-color: rgba(255, 255, 255, 0.2);
+}
+
+/* --- Voted pill: dim (deselected, dark) --- */
+html.rt-card-enabled.rt-dark .rt-card .midcol.likes {
+  background: rgba(255, 139, 96, 0.06) !important;
+  border-color: rgba(255, 139, 96, 0.2) !important;
+}
+
+html.rt-card-enabled.rt-dark .rt-card .midcol.dislikes {
+  background: rgba(148, 148, 255, 0.06) !important;
+  border-color: rgba(148, 148, 255, 0.2) !important;
+}
+
+/* --- Voted pill: vibrant (selected, dark) --- */
+html.rt-card-enabled.rt-dark .rt-card.rt-selected .midcol.likes {
+  background: rgba(255, 139, 96, 0.15) !important;
+  border-color: rgba(255, 139, 96, 0.5) !important;
+}
+
+html.rt-card-enabled.rt-dark .rt-card.rt-selected .midcol.dislikes {
+  background: rgba(148, 148, 255, 0.15) !important;
+  border-color: rgba(148, 148, 255, 0.5) !important;
+}
+
+/* --- Card dark mode (base) --- */
+html.rt-dark .rt-card {
+  background: #171717 !important;
   color: #fafafa;
-  border-color: rgba(255, 255, 255, 0.1);
+  border-color: rgba(255, 255, 255, 0.1) !important;
 }
 
-.rt-dark .rt-card:hover {
-  border-color: rgba(255, 255, 255, 0.18);
+html.rt-dark .rt-card:hover {
+  border-color: rgba(255, 255, 255, 0.18) !important;
 }
 
-/* --- Page background override --- */
-html.rt-card-bg-shadcn .content[role="main"] {
-  background: #f5f5f5;
+/* --- Page background: shadcn style (light) --- */
+html.rt-card-bg-shadcn,
+html.rt-card-bg-shadcn body,
+html.rt-card-bg-shadcn .content,
+html.rt-card-bg-shadcn .content[role="main"],
+html.rt-card-bg-shadcn #siteTable,
+html.rt-card-bg-shadcn .side,
+html.rt-card-bg-shadcn .footer-parent {
+  background-color: #f5f5f5 !important;
 }
 
-html.rt-card-bg-shadcn.rt-dark .content[role="main"] {
-  background: #262626;
+/* --- Page background: shadcn style (dark) --- */
+html.rt-card-bg-shadcn.rt-dark,
+html.rt-card-bg-shadcn.rt-dark body,
+html.rt-card-bg-shadcn.rt-dark .content,
+html.rt-card-bg-shadcn.rt-dark .content[role="main"],
+html.rt-card-bg-shadcn.rt-dark #siteTable,
+html.rt-card-bg-shadcn.rt-dark .side,
+html.rt-card-bg-shadcn.rt-dark .footer-parent,
+html.rt-card-bg-shadcn.rt-dark .res-nightmode .content,
+html.rt-card-bg-shadcn.rt-dark .res-nightmode #siteTable {
+  background-color: #0a0a0a !important;
 }
diff --git a/content/tweaks/cards.js b/content/tweaks/cards.js
index 717b819..4eaccd3 100644
--- a/content/tweaks/cards.js
+++ b/content/tweaks/cards.js
@@ -4,6 +4,12 @@
   function processPost(post) {
     if (post.classList.contains("rt-card")) return;
     post.classList.add("rt-card");
+
+    var rank = post.querySelector(":scope > .rank");
+    if (rank) {
+      rank.classList.add("rt-rank-badge");
+      post.appendChild(rank);
+    }
   }
 
   function processPosts() {
@@ -36,17 +42,44 @@
     }
   }
 
+  var DENSITY_CLASSES = ["rt-density-cozy", "rt-density-modern", "rt-density-extra"];
+
+  function applyDensity(settings) {
+    var html = document.documentElement;
+    for (var i = 0; i < DENSITY_CLASSES.length; i++) {
+      html.classList.remove(DENSITY_CLASSES[i]);
+    }
+    var cls = "rt-density-" + (settings.cardDensity || "modern");
+    html.classList.add(cls);
+  }
+
+  function initSelection() {
+    document.addEventListener("mousedown", function (e) {
+      var clickedCard = e.target.closest(".rt-card");
+      var prev = document.querySelectorAll(".rt-card.rt-selected");
+      for (var i = 0; i < prev.length; i++) {
+        prev[i].classList.remove("rt-selected");
+      }
+      if (clickedCard) {
+        clickedCard.classList.add("rt-selected");
+      }
+    });
+  }
+
   function apply(settings) {
     document.documentElement.classList.add("rt-card-enabled");
     applyDarkMode(settings);
     applyBackground(settings);
+    applyDensity(settings);
     applyGap(settings);
     processPosts();
+    initSelection();
   }
 
   function updateSettings(settings) {
     applyDarkMode(settings);
     applyBackground(settings);
+    applyDensity(settings);
     applyGap(settings);
   }