diff --git a/frontend/src/lib/types.ts b/frontend/src/lib/types.ts
index f8e3884..08455e1 100644
--- a/frontend/src/lib/types.ts
+++ b/frontend/src/lib/types.ts
@@ -1,4 +1,4 @@
-export type Theme = 'light' | 'dark' | 'neon';
+export type Theme = 'light' | 'dark' | 'glass' | 'neon';
 
 /** Lifecycle of the NIP-46 remote signer. */
 export type SignerPhase = 'stopped' | 'connecting' | 'connected';
diff --git a/frontend/src/screens/SettingsScreen.tsx b/frontend/src/screens/SettingsScreen.tsx
index c5c8ae2..a107a98 100644
--- a/frontend/src/screens/SettingsScreen.tsx
+++ b/frontend/src/screens/SettingsScreen.tsx
@@ -104,11 +104,12 @@ export function SettingsScreen() {
               >
                 <option value="light">Light</option>
                 <option value="dark">Dark</option>
+                <option value="glass">Glass</option>
                 <option value="neon">Neon</option>
               </select>
               <p className="hint">
-                “Light” and “Dark” follow your manual selection. “Neon” is a pure-black theme with
-                pink and purple accents.
+                “Light” and “Dark” follow your manual selection. “Glass” and “Neon” are aesthetic
+                themes with distinctive color palettes.
               </p>
             </div>
           </div>
diff --git a/frontend/src/state/AppProvider.tsx b/frontend/src/state/AppProvider.tsx
index d910afe..d7a5c5d 100644
--- a/frontend/src/state/AppProvider.tsx
+++ b/frontend/src/state/AppProvider.tsx
@@ -337,8 +337,8 @@ export function useApp(): AppContextValue {
 
 /** Apply the requested theme. */
 export function applyTheme(theme: Theme): void {
-  if (theme === 'neon') {
-    document.documentElement.dataset.theme = 'neon';
+  if (theme === 'glass' || theme === 'neon') {
+    document.documentElement.dataset.theme = theme;
     return;
   }
   document.documentElement.dataset.theme = theme;
diff --git a/frontend/src/styles.css b/frontend/src/styles.css
index 61bdf7d..9708f92 100644
--- a/frontend/src/styles.css
+++ b/frontend/src/styles.css
@@ -62,29 +62,678 @@
    Obsidian theme (MIT): black panels, deep-pink primary (#ff1493), purple
    secondary (#8b00ff family), yellow highlights (#ffd700). */
 :root[data-theme='neon'] {
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --bg: #000000;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --surface: #0b0b0e;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --surface-2: #131318;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --surface-hover: #191921;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --border: #2b1224;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --border-strong: #4d1c3d;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --text: #f5f2f7;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --text-muted: #a89bb0;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --primary: #ff1493;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --primary-hover: #ff4fb0;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --primary-soft: #2b0a1e;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --on-primary: #ffffff;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --danger: #ff3355;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --danger-soft: #330810;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --warning: #ffd700;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --warning-soft: #332b03;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --success: #00e68a;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --success-soft: #04301f;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --info: #b388ff;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --info-soft: #1c1035;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --focus: #ff1493;
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --shadow: 0 1px 2px rgba(0, 0, 0, 0.6), 0 8px 24px rgba(255, 20, 147, 0.07);
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
   --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.85), 0 0 32px rgba(255, 20, 147, 0.12);
+
+  /* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+  :root[data-theme='glass'] {
+    --bg: #0d0d0d;
+    --surface: #1a1a1f;
+    --surface-2: #24242a;
+    --border: #3a3a44;
+    --border-strong: #4a4a5a;
+    --text: #e0e0e7;
+    --text-muted: #888899;
+    --primary: #7fdbff;
+    --primary-hover: #5bc0de;
+    --primary-soft: #1e2a3a;
+    --on-primary: #050512;
+    --danger: #ff6b6b;
+    --danger-soft: #332a2a;
+    --warning: #f0ad4f;
+    --warning-soft: #332a2a;
+    --success: #5cb85c;
+    --success-soft: #2ecc71;
+    --info: #5bc0de;
+    --info-soft: #1e2c3c;
+    --focus: #7fdbff;
+    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+    --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
+  }
+}
+
+/* "Glass" — muted frosted aesthetic inspired by the Meridian Obsidian theme (MIT): dark panels, cyan accents, and glass-like transparency simulation. */
+:root[data-theme='glass'] {
+  --bg: #0d0d0d;
+  --surface: #1a1a1f;
+  --surface-2: #24242a;
+  --border: #3a3a44;
+  --border-strong: #4a4a5a;
+  --text: #e0e0e7;
+  --text-muted: #888899;
+  --primary: #7fdbff;
+  --primary-hover: #5bc0de;
+  --primary-soft: #1e2a3a;
+  --on-primary: #050512;
+  --danger: #ff6b6b;
+  --danger-soft: #332a2a;
+  --warning: #f0ad4f;
+  --warning-soft: #332a2a;
+  --success: #5cb85c;
+  --success-soft: #2ecc71;
+  --info: #5bc0de;
+  --info-soft: #1e2c3c;
+  --focus: #7fdbff;
+  --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
+  --shadow-modal: 0 12px 40px rgba(0, 0, 0, 0.5);
 }
 
 * {
diff --git a/src/main.rs b/src/main.rs
index 6a66b31..c919b04 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -35,7 +35,7 @@ Commands:
   relays disable <url>            Disable a relay
   relays test <url>               Test a relay connection
   settings get                    Show application settings
-  settings set theme <light|dark|neon>
+  settings set theme <light|dark|glass|neon>
   settings set confirm <true|false>
   settings set shorten <true|false>
   delete-profile <npub>           Delete a profile (moves it to undo stack)
diff --git a/src/settings.rs b/src/settings.rs
index 7293ee0..7af6ffe 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -22,6 +22,7 @@ impl RelayConfig {
 pub enum Theme {
     Light,
     Dark,
+    Glass,
     Neon,
 }
 
@@ -31,6 +32,7 @@ impl Theme {
         match s {
             "light" => Some(Self::Light),
             "dark" => Some(Self::Dark),
+            "glass" => Some(Self::Glass),
             "neon" => Some(Self::Neon),
             _ => None,
         }