.envelope-wrap {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 460px;
  padding: 0 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.envelope-wrap.hidden {
  opacity: 0;
  transform: translate(-50%, -58%) scale(0.85);
  pointer-events: none;
}

.envelope {
  width: 320px;
  height: 210px;
  margin: 0 auto;
  position: relative;
  cursor: pointer;
  filter: drop-shadow(0 18px 30px rgba(150, 40, 70, 0.35));
  transition: transform 0.35s ease;
}
.envelope:hover { transform: translateY(-6px) scale(1.02); }

.env-body {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--env-from) 0%, var(--env-to) 100%);
  border-radius: 10px;
}
.env-flap {
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 0;
  border-left: 160px solid transparent;
  border-right: 160px solid transparent;
  border-top: 110px solid var(--env-flap);
  border-radius: 10px;
  z-index: 3;
}
.env-pocket {
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 0;
  border-left: 160px solid var(--env-pocket-a);
  border-right: 160px solid var(--env-pocket-b);
  border-bottom: 105px solid transparent;
  border-top: 105px solid transparent;
  z-index: 2;
}
.wax-seal {
  position: absolute;
  top: 86px; left: 50%;
  transform: translateX(-50%);
  width: 70px; height: 70px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--accent-light), var(--accent-strong) 70%);
  box-shadow: 0 4px 10px rgba(120, 20, 40, 0.5), inset 0 -4px 8px rgba(80,0,20,0.4);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--env-glyph);
  font-size: 30px;
  animation: pulse 2.2s ease-in-out infinite;
}

.to-line {
  margin-top: 26px;
  font-size: 26px;
  letter-spacing: 1px;
  color: var(--accent-strong);
}
.to-line .name { font-style: italic; font-weight: bold; }

.hint {
  margin-top: 10px;
  font-size: 15px;
  color: var(--text-muted);
  opacity: 0.9;
  animation: blink 2.5s ease-in-out infinite;
}