:root {
  font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
  color: #fff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

.display-page {
  animation: rainbowShift 18s infinite alternate ease-in-out;
  background: linear-gradient(120deg, #ff6ec4, #7873f5, #4adede);
  background-size: 250% 250%;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.display-shell {
  max-width: 850px;
  text-align: center;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 1.25rem;
  padding: 2rem;
}

h1 {
  margin-top: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.greeting-text {
  min-height: 5.5rem;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.greeting-meta {
  font-size: 1.1rem;
  opacity: 0.9;
  min-height: 1.4rem;
}

.decor-images {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.decor-image {
  width: min(200px, 28vw);
  max-height: 180px;
  object-fit: contain;
}

.qr-corner {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 1rem;
  padding: 0.75rem;
  width: 180px;
  text-align: center;
}

.qr-corner h2 {
  margin: 0.3rem 0 0.6rem;
  font-size: 1rem;
}

.qr-corner img {
  width: 100%;
  border-radius: 0.4rem;
  background: #fff;
}

.qr-corner a,
.submit-shell a {
  color: #ffe066;
}

.submit-page {
  background: linear-gradient(150deg, #403b4a, #e7e9bb);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.submit-shell {
  width: min(560px, 95vw);
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  border-radius: 1rem;
  padding: 1.5rem;
}

.greeting-form {
  display: grid;
  gap: 1rem;
}

.greeting-form label {
  display: grid;
  gap: 0.4rem;
}

textarea,
input,
button {
  font: inherit;
  border-radius: 0.5rem;
  border: none;
  padding: 0.7rem;
}

button {
  cursor: pointer;
  background: #ffe066;
  color: #343a40;
  font-weight: 700;
}

#status {
  min-height: 1.4rem;
}

@keyframes rainbowShift {
  0% {
    background-position: 0% 50%;
  }

  100% {
    background-position: 100% 50%;
  }
}