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tests/unit/test_background_animation.py

@@ -14,12 +14,15 @@ The new design (styles.css, pure CSS, zero JS, no `filter` — A11):
   - grid (body::before): a STATIC texture — the drift animation and its
     keyframes are deleted (the 0.73px/s sub-pixel drift rasterizes as a
     once-per-second down-right jitter);
-  - three independent soft glow spots — body::after (phase-08 indigo,
-    26s), html::before (phase-08 cyan, 34s, -12s delay), html::after
-    (third indigo, 42s, -23s delay) — each on its own SLOW opacity-only
-    fade (the whole-layer breathe keyframes are deleted), so the total
-    light fluxuates smoothly and irregularly; LCM(26, 34, 42) = 4641s,
-    so the composite pattern never repeats within a viewing session.
+  - three independent soft glow spots — body::after (26s), html::before
+    (34s, -12s delay), html::after (42s, -23s delay) — each on its own
+    SLOW opacity-only fade (the whole-layer breathe keyframes are
+    deleted), so the total light fluxuates smoothly and irregularly;
+    LCM(26, 34, 42) = 4641s, so the composite pattern never repeats
+    within a viewing session. The 2026-08-28 rebrand recolored the
+    phase-08 indigo/cyan spots to the warm dark-red theme palette
+    (rose / orange / red) and the grid lines to the warm line tone —
+    structure (sizes, positions, alphas, periods) unchanged.
 
 This file keeps the generic layer-plumbing pins (the no-occlusion
 contract, fixed / z-index -1 / pointer-events none — now across all
@@ -153,17 +156,20 @@ def test_grid_is_static_no_drift() -> None:
 
 
 def test_grid_cells_and_line_contrast() -> None:
-    """44px cells with 1px lines at the phase-22 fixed 60% --line alpha
-    (the static texture keeps the values that made the grid readable —
-    see tests/unit/test_background_no_motion.py for the phase-25 story)."""
+    """44px cells with 1px lines at the phase-22 fixed 60% line alpha,
+    in the rebrand warm line tone (2026-08-28; the phase-22 indigo
+    value rgb(38 48 74 / 0.6) was recolored with the dark-red theme)
+    — the static texture keeps the values that made the grid readable
+    (see tests/unit/test_background_no_motion.py for the phase-25
+    story)."""
     block = _grid_rule(_css())
     assert "background-size: 44px 44px" in block
-    line = "linear-gradient(to right, rgb(38 48 74 / 0.6) 1px, transparent 1px)"
-    assert line in block, "grid must keep horizontal 1px lines at 60% --line"
+    line = "linear-gradient(to right, rgb(74 38 38 / 0.6) 1px, transparent 1px)"
+    assert line in block, "grid must keep horizontal 1px lines at 60% line alpha"
     assert (
-        "linear-gradient(to bottom, rgb(38 48 74 / 0.6) 1px, transparent 1px)"
+        "linear-gradient(to bottom, rgb(74 38 38 / 0.6) 1px, transparent 1px)"
         in block
-    ), "grid must keep vertical 1px lines at 60% --line"
+    ), "grid must keep vertical 1px lines at 60% line alpha"
     assert "0.35" not in block, "the too-faint 35% line alpha must not return"
 
 
@@ -216,21 +222,23 @@ def test_glow_keyframes_are_opacity_only() -> None:
         )
 
 
-def test_glow_spots_keep_phase08_colors_and_add_a_third() -> None:
-    """The phase-08 spots keep their colors, radii and positions — the
-    indigo top-left stays on body::after, the cyan bottom-right moves to
-    html::before — and a third soft indigo spot (52rem at 14% 86%)
-    joins on html::after. All spots fade to transparent at 62%."""
+def test_glow_spots_use_the_rebrand_warm_palette() -> None:
+    """The three spots keep their radii and positions from the phase-25
+    layout (rose top-left on body::after, orange bottom-right on
+    html::before, red bottom-left 52rem at 14% 86% on html::after) but
+    wear the 2026-08-28 rebrand palette (warm dark-red theme; the
+    phase-08 indigo/cyan values are gone). All spots fade to
+    transparent at 62%."""
     assert (
-        "radial-gradient(circle 56rem at 12% 8%, rgb(109 120 242 / 0.14), "
+        "radial-gradient(circle 56rem at 12% 8%, rgb(244 63 94 / 0.10), "
         "transparent 62%)" in _glow_rule(_css())
     )
     assert (
-        "radial-gradient(circle 60rem at 88% 92%, rgb(34 211 238 / 0.10), "
+        "radial-gradient(circle 60rem at 88% 92%, rgb(251 146 60 / 0.08), "
         "transparent 62%)" in _rule_block(_css(), "html::before")
     )
     assert (
-        "radial-gradient(circle 52rem at 14% 86%, rgb(109 120 242 / 0.09), "
+        "radial-gradient(circle 52rem at 14% 86%, rgb(239 68 68 / 0.08), "
         "transparent 62%)" in _rule_block(_css(), "html::after")
     )