🔧 Initial dev copy from live

tests/test_issue341.py

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+"""Tests for GitHub issue #341: .msg-body table CSS styles."""
+import os
+
+CSS_PATH = os.path.join(os.path.dirname(__file__), "..", "static", "style.css")
+
+
+def _read_css():
+    with open(CSS_PATH, "r") as f:
+        return f.read()
+
+
+def test_msg_body_table_css_present():
+    css = _read_css()
+    assert ".msg-body table" in css, ".msg-body table rule missing from style.css"
+    assert "border-collapse:collapse" in css, "border-collapse:collapse missing from style.css"
+
+
+def test_msg_body_table_th_td_present():
+    css = _read_css()
+    assert ".msg-body th" in css, ".msg-body th rule missing from style.css"
+    assert ".msg-body td" in css, ".msg-body td rule missing from style.css"
+
+
+def test_msg_body_table_tr_stripe_present():
+    css = _read_css()
+    assert ".msg-body tr:nth-child(even)" in css, ".msg-body tr:nth-child(even) rule missing from style.css"
+
+
+def test_msg_body_light_theme_overrides():
+    css = _read_css()
+    assert ':root:not(.dark) .msg-body th' in css, \
+        'Light-mode override for .msg-body th missing from style.css'
+    assert ':root:not(.dark) .msg-body td' in css, \
+        'Light-mode override for .msg-body td missing from style.css'