// Matches the homepage MagicBento light-card hover (see src/components/MagicBento.css):
// border-color -> --flux-primary-200, soft --flux-primary-400 glow, 0.3s transition, no lift.
const cardHover =
  'transition-all duration-300 hover:border-[var(--flux-primary-200)] ' +
  'hover:shadow-[0_4px_20px_color-mix(in_srgb,var(--flux-primary-400)_15%,transparent),0_0_30px_color-mix(in_srgb,var(--flux-primary-400)_8%,transparent)]';

function Section({ title, children }: { title: string; children: React.ReactNode }) {
  return (
    <div className="mb-8">
      <h3 className="text-sm font-bold text-[var(--flux-heading)] mb-3">{title}</h3>
      <div className="p-6 rounded border border-[var(--flux-grey-100)] bg-[var(--flux-surface)]">
        {children}
      </div>
    </div>
  );
}

function Badge({ children, color }: { children: React.ReactNode; color: string }) {
  return (
    <span
      className="inline-flex px-2 py-0.5 rounded-full text-xs font-bold"
      style={{ backgroundColor: color + '1a', color }}
    >
      {children}
    </span>
  );
}

export default function CardDemo() {
  return (
    <>
      <Section title="Default">
        <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
          <div className={`rounded border border-[var(--flux-grey-100)] bg-[var(--flux-surface)] p-5 ${cardHover}`}>
            <h4 className="text-sm font-bold text-[var(--flux-heading)] mb-1">Iceland Explorer</h4>
            <p className="text-xs text-[var(--flux-black)] leading-relaxed">
              7-day self-drive tour through the Golden Circle, south coast glaciers, and Reykjavik.
            </p>
          </div>
          <div className={`rounded border border-[var(--flux-grey-100)] bg-[var(--flux-surface)] p-5 ${cardHover}`}>
            <h4 className="text-sm font-bold text-[var(--flux-heading)] mb-1">Northern Lights Chase</h4>
            <p className="text-xs text-[var(--flux-black)] leading-relaxed">
              4-night winter adventure with guided aurora hunting and geothermal bathing.
            </p>
          </div>
        </div>
      </Section>

      <Section title="With header and footer">
        <div className={`max-w-sm rounded border border-[var(--flux-grey-100)] bg-[var(--flux-surface)] overflow-hidden ${cardHover}`}>
          <div className="px-5 py-4 border-b border-[var(--flux-grey-100)] flex items-center justify-between">
            <h4 className="text-sm font-bold text-[var(--flux-heading)]">Departure Summary</h4>
            <Badge color="var(--flux-success)">Confirmed</Badge>
          </div>
          <div className="px-5 py-4">
            <div className="space-y-2 text-sm">
              <div className="flex justify-between">
                <span className="text-[var(--flux-grey-300)]">Package</span>
                <span className="text-[var(--flux-black)] font-bold">Iceland Explorer</span>
              </div>
              <div className="flex justify-between">
                <span className="text-[var(--flux-grey-300)]">Date</span>
                <span className="text-[var(--flux-black)]">15 Jun 2026</span>
              </div>
              <div className="flex justify-between">
                <span className="text-[var(--flux-grey-300)]">Guests</span>
                <span className="text-[var(--flux-black)]">12 / 16</span>
              </div>
              <div className="flex justify-between">
                <span className="text-[var(--flux-grey-300)]">Revenue</span>
                <span className="text-[var(--flux-black)] font-bold">$48,600</span>
              </div>
            </div>
          </div>
          <div className="px-5 py-3 border-t border-[var(--flux-grey-100)] flex justify-end gap-2">
            <button className="px-3 py-1.5 text-xs font-bold rounded text-[var(--flux-black)] hover:bg-[var(--flux-grey-50)] transition-colors">
              Details
            </button>
            <button className="px-3 py-1.5 text-xs font-bold rounded bg-[var(--flux-primary-400)] text-white hover:opacity-90 transition-opacity">
              Manage
            </button>
          </div>
        </div>
      </Section>

      <Section title="Interactive (hover)">
        <div className="grid grid-cols-1 sm:grid-cols-3 gap-4">
          {[
            { title: 'Bookings', value: '1,284', change: '+12%' },
            { title: 'Revenue', value: '$2.4M', change: '+8%' },
            { title: 'Departures', value: '47', change: '+3' },
          ].map((stat) => (
            <div
              key={stat.title}
              className={`rounded border border-[var(--flux-grey-100)] bg-[var(--flux-surface)] p-5 cursor-pointer ${cardHover}`}
            >
              <p className="text-xs text-[var(--flux-grey-300)] mb-1">{stat.title}</p>
              <p className="text-2xl font-bold text-[var(--flux-heading)]">{stat.value}</p>
              <p className="text-xs font-bold mt-1" style={{ color: 'var(--flux-success)' }}>{stat.change}</p>
            </div>
          ))}
        </div>
      </Section>

      <Section title="With image">
        <div className={`max-w-sm rounded border border-[var(--flux-grey-100)] bg-[var(--flux-surface)] overflow-hidden ${cardHover}`}>
          <img
            src="/images/card-example.png"
            alt="Card example"
            className="h-40 w-full object-cover"
          />
          <div className="p-5">
            <h4 className="text-sm font-bold text-[var(--flux-heading)] mb-1">Midnight Sun Cruise</h4>
            <p className="text-xs text-[var(--flux-black)] leading-relaxed mb-3">
              10-day coastal voyage along the Norwegian fjords under the midnight sun.
            </p>
            <div className="flex items-center justify-between">
              <span className="text-sm font-bold text-[var(--flux-heading)]">From $3,200</span>
              <Badge color="var(--flux-primary-400)">New</Badge>
            </div>
          </div>
        </div>
      </Section>

      <Section title="Muted / disabled">
        <div className="max-w-sm rounded border border-[var(--flux-grey-100)] bg-[var(--flux-grey-50)] p-5 opacity-60">
          <h4 className="text-sm font-bold text-[var(--flux-grey-300)] mb-1">Archived Package</h4>
          <p className="text-xs text-[var(--flux-grey-200)] leading-relaxed">
            This package is no longer available for new bookings.
          </p>
        </div>
      </Section>
    </>
  );
}