Continuing work removing legacy functions and implementing UI changes

widgets/amber_terminal_theme.py

@@ -0,0 +1,35 @@
+from textual.color import Color
+from textual.theme import Theme
+
+
+def get_amber_terminal_theme():
+    """Amber CRT theme with compensated brightness for blending."""
+    return Theme(
+        name="amber-terminal",
+        background=Color.parse("#000000"),  # pure black
+        primary=Color.parse("#ffb733"),  # bright amber
+        secondary=Color.parse("#e69500"),  # strong amber
+        success=Color.parse("#ffb733"),
+        warning=Color.parse("#ffff66"),
+        error=Color.parse("#ff3300"),
+        surface=Color.parse("#3a1f00"),  # brighter brown for blending
+    )
+
+
+AMBER_TERMINAL_CSS = """
+Screen {
+    align: center middle;
+    background: #000000; /* force black */
+    color: #ffb733;      /* force amber text */
+}
+
+.widget {
+    border: tall #ffb733; /* force amber border */
+    background: #3a1f00;  /* compensated surface */
+    width: 80%;
+}
+
+* {
+    font-family: "Courier New", monospace;
+}
+"""