:root {
  --bg: #f6f1e9;
  --ink: #1d1b19;
  --muted: #7a7268;
  --accent: #d6342c;
  --card: #ffffff;
  --line: #e4ddd2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161412;
    --ink: #f3ede4;
    --muted: #9c9388;
    --card: #211e1b;
    --line: #34302b;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, sans-serif;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  min-height: 100vh;
}
main { width: 100%; max-width: 440px; text-align: center; }
h1 { font-size: clamp(1.8rem, 7vw, 2.4rem); margin: 0 0 .4rem; letter-spacing: -.02em; }
.sub { color: var(--muted); margin: 0 0 2rem; line-height: 1.5; }
.message { white-space: pre-line; line-height: 1.6; margin: 0 0 2rem; }
.from { color: var(--muted); font-size: .95rem; }

/* Geschenkbox */
.gift {
  all: unset;
  cursor: pointer;
  display: block;
  margin: 3.5rem auto 1.5rem;
  width: 160px;
  height: 160px;
  position: relative;
  transition: transform .2s;
}
.gift:hover { transform: scale(1.04) rotate(-2deg); }
.gift:focus-visible { outline: 3px solid var(--accent); outline-offset: 8px; border-radius: 12px; }
.gift .box { position: absolute; left: 10px; right: 10px; bottom: 0; height: 100px; background: var(--accent); border-radius: 6px; }
.gift .lid { position: absolute; left: 0; right: 0; bottom: 92px; height: 36px; background: var(--accent); border-radius: 6px; filter: brightness(1.12); transition: transform .5s cubic-bezier(.3,1.6,.5,1); transform-origin: left bottom; }
.gift .ribbon-v { position: absolute; left: calc(50% - 10px); width: 20px; bottom: 0; height: 128px; background: #fff; opacity: .9; }
.gift .bow { position: absolute; left: calc(50% - 22px); bottom: 120px; width: 44px; height: 24px; border: 6px solid #fff; border-radius: 50% 50% 0 0; opacity: .9; transition: transform .5s; }
.gift.open .lid { transform: translateY(-34px) rotate(-18deg); }
.gift.open .bow { transform: translateY(-40px) rotate(-18deg); }
.gift.open { pointer-events: none; }

.hint { color: var(--muted); font-size: .9rem; }

.reveal { display: none; }
.reveal.show { display: block; animation: pop .5s ease both; }
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(.97); } to { opacity: 1; transform: none; } }

.voucher {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px 20px;
  margin: 0 0 1rem;
}
.amount { font-size: 2.6rem; font-weight: 800; letter-spacing: -.03em; margin: 0; }
.label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; margin: 1rem 0 .4rem; }
.code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.15rem;
  word-break: break-all;
  background: var(--bg);
  border: 2px dashed var(--line);
  border-radius: 12px;
  padding: 14px 12px;
  user-select: all;
}
.actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 1rem; }
.btn {
  appearance: none; border: 0; cursor: pointer; text-decoration: none;
  font: inherit; font-weight: 700;
  padding: 12px 20px; border-radius: 999px;
  background: var(--ink); color: var(--bg);
}
.btn.accent { background: var(--accent); color: #fff; }
.note { color: var(--muted); font-size: .9rem; line-height: 1.5; margin-top: 1rem; }
.error { color: var(--accent); font-weight: 600; display: none; margin-top: 1rem; }
.error.show { display: block; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

#confetti { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 10; }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); margin-top: 1.5rem; font-weight: 600; }
.btn.ghost:hover { color: var(--ink); border-color: var(--ink); }
.gift.reset { transition: none; }
.expired { display: none; margin-top: 2rem; }
.expired.show { display: block; }
.pw { margin: 0 auto 1rem; max-width: 340px; }
.pwhint { color: var(--ink); font-weight: 600; margin: 0 0 .6rem; line-height: 1.4; }
.pwrow { display: flex; gap: 8px; }
.pwrow input { flex: 1; min-width: 0; font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 12px 16px; }
.pwrow input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }