feat(l0 kit): palettes for the vibrant and minimal moods

components/l0/_palette_minimal.splash

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+// Mood delta: minimal — near-monochrome, hairlines, and air.
+//
+// 19 corpus cards declare `theme minimal` and none of them could realize.
+//
+// The brief is restraint, and the measurement this session says exactly what
+// that must NOT mean: the emptiest mockup in an eight-way blind comparison lost
+// all seven of its pairs, with the judges calling its space "void", "empty, not
+// a pause", "unmotivated". Restraint is a confident hierarchy with nothing
+// competing, not an absence of things. So this mood spends its budget on the
+// type scale and takes it out of colour — one near-neutral ground, no accent
+// hue at all, and dividers instead of fills.
+
+let l0_base     = argb(255,  16,  17,  19)   // #101113 a warm-neutral near-black
+let l0_base_2   = argb(255,   6,   7,   8)   // #060708 away from the panel
+let l0_sheet    = argb(255,  22,  23,  26)   // #16171a over a map — opaque
+
+// Panels barely lift; a rule does the separating instead of a fill. Still the
+// 1.12:1 the other moods land on, just carried by the hairline rather than
+// the surface.
+let l0_fill     = argb( 12, 255, 255, 255)   // #ffffff0c
+let l0_hairline = argb( 46, 255, 255, 255)   // #ffffff2e the load-bearing element
+let l0_stroke   = argb( 46, 255, 255, 255)   // #ffffff2e
+let l0_active   = argb( 40, 255, 255, 255)   // #ffffff28
+
+// No accent hue. Emphasis comes from weight and size, which `emphasis` and the
+// derive step already control — a mood that also shouted would be two knobs
+// fighting over the same job.
+let l0_bar      = argb(255, 235, 235, 238)   // #ebebee
+let l0_bar_rail = argb( 30, 255, 255, 255)   // #ffffff1e
+let l0_go       = argb(255, 235, 235, 238)   // #ebebee
+let l0_ondark   = argb(255,  16,  17,  19)   // #101113 ink on a lit fill
+
+// A wider ink range than dark: with colour withdrawn, the only thing left to
+// build a hierarchy out of is how bright each level is.
+let l0_text     = argb(255, 255, 255, 255)   // #ffffff
+let l0_soft     = argb(214, 255, 255, 255)   // #ffffffd6
+let l0_dim      = argb(130, 255, 255, 255)   // #ffffff82
+
+let radius_factor = 0.5
+let space_factor  = 1.15

components/l0/_palette_vibrant.splash

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+// Mood delta: vibrant — a saturated ground and one loud accent.
+//
+// 24 corpus cards declare `theme vibrant` and none of them could realize: L0
+// admitted four moods and this was not one, so the card was refused before it
+// reached a colour. The name is the whole brief — a card that commits to a hue
+// rather than defaulting to neutral dark.
+//
+// Concatenated after the base and before `_derive`, so a factor moved here
+// still propagates. Every value it does not name is inherited from dark.
+
+// A deep indigo, not black. The point of this mood is that the PAGE carries the
+// colour, which is the one thing an accent axis cannot do — accent reaches a
+// bar, a highlight and a button, and never a surface.
+let l0_base     = argb(255,  26,  20,  56)   // #1a1438
+let l0_base_2   = argb(255,  12,   9,  30)   // #0c091e deepens AWAY from the panel;
+                                             // a gradient ending on the card fill
+                                             // has separation zero.
+let l0_sheet    = argb(255,  34,  27,  70)   // #221b46 over a map — opaque
+
+// Panels lift by the same ratio every shipped mood uses — measured at 1.12:1
+// in both dark and light. Stated as an alpha so it self-scales to the ground.
+let l0_fill     = argb( 30, 255, 255, 255)   // #ffffff1e
+let l0_hairline = argb( 38, 255, 255, 255)   // #ffffff26
+let l0_active   = argb( 66, 255, 255, 255)   // #ffffff42
+
+// The loud part. One hue, used only where direction and emphasis live, so the
+// screen reads as committed rather than as a colour scheme.
+let l0_bar      = argb(255, 255, 122, 182)   // #ff7ab6
+let l0_bar_rail = argb( 41, 255, 255, 255)   // #ffffff29
+let l0_go       = argb(255, 255, 122, 182)   // #ff7ab6
+let l0_ondark   = argb(255,  22,  10,  30)   // #160a1e ink on a lit fill
+
+// Ink stays near-white: the ground is doing the colour work, and tinting the
+// text as well is how a vibrant mood turns into an unreadable one.
+let l0_text     = argb(255, 255, 252, 255)   // #fffcff
+let l0_soft     = argb(232, 255, 252, 255)   // #fffcffe8
+let l0_dim      = argb(158, 255, 252, 255)   // #fffcff9e
+
+let radius_factor = 1.2