pangolin/client/lib/widgets/plan_card.dart

// plan_card.dart — 套餐卡(免费 / 专业渐变高亮 / 团队)
import 'package:flutter/material.dart';
import '../pangolin_theme.dart';
import 'pangolin_icons.dart';

class PlanCard extends StatelessWidget {
  const PlanCard({
    super.key,
    required this.name,
    required this.price,
    required this.period,
    required this.features,
    required this.ctaLabel,
    this.featured = false,
    this.isCurrent = false,
    this.popularLabel,
    this.onPressed,
  });

  final String name, price, period, ctaLabel;
  final List<String> features;
  final bool featured, isCurrent;
  final String? popularLabel;
  final VoidCallback? onPressed;

  @override
  Widget build(BuildContext context) {
    final c = context.pangolin;
    final onCard = featured ? PangolinColors.white : c.fg1;
    final subColor = featured ? PangolinColors.white.withValues(alpha: 0.92) : c.fg2;

    final card = Container(
      padding: const EdgeInsets.fromLTRB(20, 22, 20, 20),
      decoration: BoxDecoration(
        gradient: featured
            ? const LinearGradient(begin: Alignment.topLeft, end: Alignment.bottomRight, colors: [PangolinColors.clay600, PangolinColors.clay800])
            : null,
        color: featured ? null : c.surface,
        border: featured ? null : Border.all(color: c.border),
        borderRadius: BorderRadius.circular(PangolinRadius.xl),
        boxShadow: featured ? PangolinShadow.md : PangolinShadow.sm,
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        mainAxisSize: MainAxisSize.min,
        children: [
          Text(name, style: PangolinText.sm.copyWith(color: featured ? PangolinColors.white.withValues(alpha: 0.85) : c.fg2, fontWeight: FontWeight.w600)),
          const SizedBox(height: 6),
          Row(
            crossAxisAlignment: CrossAxisAlignment.baseline,
            textBaseline: TextBaseline.alphabetic,
            children: [
              Text(price, style: PangolinText.display.copyWith(color: onCard, fontSize: 30)),
              Text(period, style: PangolinText.caption.copyWith(color: subColor, fontSize: 13)),
            ],
          ),
          const SizedBox(height: 16),
          ...features.map((f) => Padding(
                padding: const EdgeInsets.only(bottom: 9),
                child: Row(children: [
                  Icon(PangolinIcons.check, size: 15, color: featured ? PangolinColors.white : c.success),
                  const SizedBox(width: 9),
                  Expanded(child: Text(f, style: PangolinText.sm.copyWith(color: subColor, fontSize: 13))),
                ]),
              )),
          const SizedBox(height: 8),
          SizedBox(
            width: double.infinity,
            child: Material(
              color: featured ? PangolinColors.white : (isCurrent ? Colors.transparent : c.accent),
              shape: StadiumBorder(side: isCurrent ? BorderSide(color: c.borderStrong, width: 1.5) : BorderSide.none),
              clipBehavior: Clip.antiAlias,
              child: InkWell(
                onTap: isCurrent ? null : onPressed,
                child: Padding(
                  padding: const EdgeInsets.symmetric(vertical: 12),
                  child: Center(
                    child: Text(ctaLabel,
                        style: PangolinText.sm.copyWith(
                          fontWeight: FontWeight.w700,
                          fontSize: 14,
                          color: featured ? PangolinColors.clay700 : (isCurrent ? c.fg2 : PangolinColors.white),
                        )),
                  ),
                ),
              ),
            ),
          ),
        ],
      ),
    );

    if (popularLabel == null) return card;
    return Stack(clipBehavior: Clip.none, children: [
      card,
      Positioned(
        top: -10,
        left: 0,
        right: 0,
        child: Center(
          child: Container(
            padding: const EdgeInsets.symmetric(horizontal: 11, vertical: 3),
            decoration: BoxDecoration(color: PangolinColors.white, borderRadius: BorderRadius.circular(PangolinRadius.full), boxShadow: PangolinShadow.sm),
            child: Text(popularLabel!, style: PangolinText.caption.copyWith(color: PangolinColors.clay700, fontWeight: FontWeight.w700, fontSize: 11)),
          ),
        ),
      ),
    ]);
  }
}