diff --git a/sandbox/.bashrc b/sandbox/.bashrc
index ab1303d..f7abf5c 100644
--- a/sandbox/.bashrc
+++ b/sandbox/.bashrc
@@ -7,6 +7,20 @@ export COLORTERM="${COLORTERM:-truecolor}"
 
 PROJECT_NAME="${PROJECT_NAME:-sandbox}"
 
+# ---- colorized ls/grep ----
+if command -v dircolors >/dev/null 2>&1; then
+  # Use system default if user hasn't customized ~/.dircolors
+  if [ -f "$HOME/.dircolors" ]; then
+    eval "$(dircolors -b "$HOME/.dircolors")"
+  else
+    eval "$(dircolors -b)"
+  fi
+fi
+alias ls='ls --color=auto'
+alias grep='grep --color=auto'
+alias egrep='egrep --color=auto'
+alias fgrep='fgrep --color=auto'
+
 # Function to show path relative to /home/agent
 _path() {
     case "${PWD}" in
@@ -17,8 +31,18 @@ _path() {
 }
 
 # Update prompt on every command
+# ---- prompt (Apprentice-friendly) ----
+# Color scheme:
+#  - Username: default color (follows foreground)
+#  - Hostname: bright blue (brightBlue -> #8FAFD7)
+#  - Project name: bright cyan (brightCyan -> #5FAFAF)
+#  - Path: bright yellow (brightYellow -> #FFFFAF)
 _ps1_update() {
-  PS1="\u@\[\e[1;97m\]\h\[\e[0m\]:${PROJECT_NAME}:$(_path)\$ "
+  local c_reset='\[\e[0m\]'
+  local c_host='\[\e[94m\]'   # brightBlue
+  local c_proj='\[\e[96m\]'   # brightCyan
+  local c_path='\[\e[93m\]'   # brightYellow
+  PS1="\u@${c_host}\h${c_reset}:${c_proj}${PROJECT_NAME}${c_reset}:${c_path}$(_path)${c_reset}\$ "
 }
 PROMPT_COMMAND=_ps1_update
 
diff --git a/sandbox/entrypoint.sh b/sandbox/entrypoint.sh
index d8ad35a..750aa53 100755
--- a/sandbox/entrypoint.sh
+++ b/sandbox/entrypoint.sh
@@ -13,7 +13,27 @@ if [ ! -f /usr/local/bin/ttyd-auth.sh ]; then
 fi
 
 # Terminal theme configuration (ttyd expects theme={...} format)
-THEME='theme={"foreground":"#ada594","background":"#292724","cursor":"#bc672f","black":"#292724","red":"#816f4b","green":"#ec9255","yellow":"#ffb380","blue":"#957e50","magenta":"#ec9255","cyan":"#ac8e53","white":"#ada594","brightBlack":"#7e7767","brightRed":"#f29d63","brightGreen":"#3d3a34","brightYellow":"#615c51","brightBlue":"#908774","brightMagenta":"#ddcba6","brightCyan":"#e58748","brightWhite":"#f2ead9"}'
+THEME='theme={
+ "background":"#262626",
+ "foreground":"#BCBCBC",
+ "cursor":"#BCBCBC",
+ "black":"#1C1C1C",
+ "red":"#AF5F5F",
+ "green":"#5F875F",
+ "yellow":"#87875F",
+ "blue":"#5F87AF",
+ "magenta":"#5F5F87",
+ "cyan":"#5F8787",
+ "white":"#6C6C6C",
+ "brightBlack":"#444444",
+ "brightRed":"#FF8700",
+ "brightGreen":"#87AF87",
+ "brightYellow":"#FFFFAF",
+ "brightBlue":"#8FAFD7",
+ "brightMagenta":"#8787AF",
+ "brightCyan":"#5FAFAF",
+ "brightWhite":"#FFFFFF"
+}'
 
 # Start ttyd with authentication wrapper and theme
-ttyd -T xterm-256color -W -a -t "$THEME" /usr/local/bin/ttyd-auth.sh
+ttyd -T xterm-256color -W -a -t "$THEME" /usr/local/bin/ttyd-auth.sh
\ No newline at end of file