diff --git a/frontend/index.html b/frontend/index.html
index 529d6dd..f399367 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -94,7 +94,7 @@
             box-shadow: 0 1px 0 0 var(--tab-bg);
         }
 
-        /* ── Chrome (Linux + Mac) ── */
+        /* ── Linux Chrome ── */
         /* Inactive: always inset dimensions, separator via ::before */
         .browser-chrome .tab {
             border-radius: 8px;
@@ -134,84 +134,6 @@
             box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.1);
         }
 
-        /* ── Windows Chrome / Edge — rounded top only, more angular ── */
-        .os-windows.browser-chrome .tab,
-        .os-windows.browser-edge .tab {
-            border-radius: 0;
-            margin: 3px 2px;
-            padding: 3px 12px;
-            height: 30px;
-            position: relative;
-        }
-
-        .os-windows.browser-chrome .tab::before,
-        .os-windows.browser-edge .tab::before {
-            content: "";
-            position: absolute;
-            left: -2px;
-            top: 25%;
-            height: 50%;
-            width: 1px;
-            background: var(--tab-border);
-        }
-
-        .os-windows.browser-chrome .tab:hover::before,
-        .os-windows.browser-chrome .tab-active::before,
-        .os-windows.browser-chrome .tab:hover + .tab::before,
-        .os-windows.browser-chrome .tab-active + .tab::before,
-        .os-windows.browser-edge .tab:hover::before,
-        .os-windows.browser-edge .tab-active::before,
-        .os-windows.browser-edge .tab:hover + .tab::before,
-        .os-windows.browser-edge .tab-active + .tab::before {
-            background: transparent;
-        }
-
-        .os-windows.browser-chrome .tab:hover,
-        .os-windows.browser-edge .tab:hover {
-            background: var(--tab-hover);
-            border-radius: 8px 8px 0 0;
-        }
-
-        .os-windows.browser-chrome .tab-active,
-        .os-windows.browser-chrome .tab-active:hover,
-        .os-windows.browser-edge .tab-active,
-        .os-windows.browser-edge .tab-active:hover {
-            background: var(--tab-bg);
-            border-radius: 8px 8px 0 0;
-            box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.1);
-        }
-
-        /* ── Safari (Mac only) ── */
-        /* Compact, flat, evenly spaced, no icons on inactive tabs */
-        .browser-safari .tab {
-            border-radius: 6px;
-            margin: 0 1px;
-            height: 28px;
-            padding: 4px 10px;
-            min-width: 80px;
-        }
-
-        .browser-safari .tab .tab-icon {
-            display: none;
-        }
-
-        .browser-safari .tab:hover {
-            background: var(--tab-hover);
-            border-radius: 6px;
-        }
-
-        /* Selected: subtle white pill, show icon */
-        .browser-safari .tab-active,
-        .browser-safari .tab-active:hover {
-            background: var(--tab-bg);
-            border-radius: 6px;
-            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
-        }
-
-        .browser-safari .tab-active .tab-icon {
-            display: inline;
-        }
-
         .tab-about .tab-title {
             font-weight: 600;
         }
@@ -297,16 +219,6 @@
             border-radius: 8px;
         }
 
-        /* Safari: centered URL bar, more minimal */
-        .browser-safari .iframe-urlbar {
-            justify-content: center;
-            border-radius: 8px;
-        }
-
-        .browser-safari .iframe-urlbar .url-title {
-            display: none;
-        }
-
         .iframe-urlbar .tab-icon {
             flex-shrink: 0;
         }