replica(rechner): design tokens (24 pairs AA) and component specs

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-17 15:51:57 +02:00
parent 021f7106cc
commit 7ef64324fb
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+# Komponenten: Rechner
+
+```
+Display (S01)
+  expression  right aligned, expr 72sp shrinking to expr-min as it grows, then scrolls horizontally; cursor; selectable (long press → S04)
+  result      live preview below (result 36sp, muted); on "=" it animates up into the expression
+  states      empty (blinking cursor), typing, final, error (error colour, message), overflow (scroll)
+  tokens      display bg, radius display at the bottom corners, drag handle 32×4 at the bottom edge
+
+FunctionRow (S01) / ScientificPanel (S02)
+  collapsed   √ π ^ ! as text keys + chevron button (circle)
+  expanded    tonal pills: √ π ^ ! / Deg|Rad sin cos tan / Inv e ln log; Inv toggles labels (sin⁻¹ cos⁻¹ tan⁻¹ / eˣ 10ˣ x²)
+  motion      expand with the keypad sliding down (sheet spring)
+
+Key
+  variants    digit, op (÷ × − +, ( ), %), ac, eq, fn
+  shape       circle at rest → squircle (key-pressed radius) while pressed, spring back; haptic KEYBOARD_TAP
+  a11y        content descriptions in words ("geteilt durch", "Klammer", "Wurzel"), backspace long-press = clear
+
+HistorySheet (S03)
+  pull the display down (or ⏱ button) to reveal; groups by day ("Heute", "Gestern", date); row = expression muted + result large, right aligned;
+  tap inserts the result; "Aktuelle Eingabe" label above the live expression; empty state text; clear in the overflow menu
+
+ContextMenu (S04)
+  floating pill: Ausschneiden, Kopieren, Einfügen, MS, MR (when memory set)
+```