import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:pluriwave/widgets/pluri_layout.dart';

/// S5 (Tier 1 visual fidelity): the prototype runs a 3-tier horizontal
/// padding scale (`t4`) — 20px for section titles/eyebrows (lines 153, 254,
/// 299, 511), 16px for cards (lines 327, 512, 610), 12px for
/// background-less list rows (lines 174, 226, 301). The build had
/// collapsed all three into a single `PluriLayout.horizontal = 16`.
void main() {
  test('titleHorizontal is 20 — the prototype\'s title/eyebrow tier', () {
    expect(PluriLayout.titleHorizontal, 20);
  });

  test('horizontal (the card tier) stays 16 — unchanged', () {
    expect(PluriLayout.horizontal, 16);
  });

  test('rowHorizontal is 12 — the prototype\'s background-less row tier', () {
    expect(PluriLayout.rowHorizontal, 12);
  });

  test('titleContentPadding is symmetric horizontal titleHorizontal', () {
    expect(
      PluriLayout.titleContentPadding,
      const EdgeInsets.symmetric(horizontal: PluriLayout.titleHorizontal),
    );
  });
}