style.css

/* =========================
style.css
========================= */
* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow: hidden;
  font-family: Georgia, 'Times New Roman', serif;
  background: #09020d;
  color: #fff7fb;
}

canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.ui {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 28px;
}

.title-card {
  text-align: center;
  text-shadow: 0 0 28px rgba(255, 150, 210, 0.6);
}

.title-card h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.title-card p {
  margin: 12px 0 0;
  opacity: 0.8;
  font-size: clamp(0.95rem, 2vw, 1.2rem);
}

.controls {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  width: min(680px, calc(100vw - 32px));
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(18px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  pointer-events: auto;
}

input[type='file'] {
  width: 100%;
  color: #ffe8f3;
  font-size: 0.95rem;
}

button {
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  color: #351122;
  background: #ffd2e6;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 0 22px rgba(255, 160, 205, 0.45);
}

button:hover {
  transform: translateY(-1px);
}

.note {
  max-width: 760px;
  margin-bottom: 14vh;
  text-align: center;
  font-size: clamp(1.4rem, 4vw, 3.1rem);
  line-height: 1.2;
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  transition: opacity 1s ease, transform 1s ease;
  text-shadow: 0 0 30px rgba(255, 130, 190, 0.75);
}

.note.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}