:root {
  color-scheme: light dark;
  --bg: #f6f1e7;
  --card: #fffdf8;
  --text: #24352c;
  --muted: #68756c;
  --green: #2f5d46;
  --red: #9b3535;
  --on-accent: #fffdf8;
  --border: #e4dccb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14211b;
    --card: #1c2d25;
    --text: #f1ecdf;
    --muted: #a5b2a8;
    --green: #86b89b;
    --red: #e39a8f;
    --on-accent: #14211b;
    --border: #2f4438;
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 16px;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.card {
  width: 100%;
  max-width: 26rem;
  padding: 2.5rem 1.75rem;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.sprig {
  display: block;
  width: 96px;
  margin: 0 auto 0.75rem;
}

.branch, .needles {
  fill: none;
  stroke: var(--green);
  stroke-linecap: round;
}
.branch { stroke-width: 2.5; }
.needles { stroke-width: 2; }
.berry { fill: var(--red); }

h1, .greeting, .recipient {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: normal;
}

h1 {
  margin: 0 0 1.5rem;
  font-size: 2.25rem;
  line-height: 1.2;
  color: var(--green);
}

p { margin: 0 0 1rem; }

.greeting { font-size: 1.375rem; }

.recipient {
  margin: 0.25rem 0 1.25rem;
  font-size: 2.75rem;
  line-height: 1.2;
  color: var(--red);
  overflow-wrap: anywhere;
}

.muted {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

button {
  min-height: 48px;
  margin-top: 0.5rem;
  padding: 0.625rem 1.75rem;
  border: 0;
  border-radius: 8px;
  background: var(--green);
  color: var(--on-accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover { filter: brightness(1.1); }

button:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 2px;
}