/* The link is private; this modal shows one lesson's QR without technical data. */
.phone-share-dialog {
  border: 0;
  border-radius: 28px;
  padding: 0;
  width: min(460px, calc(100vw - 28px));
  max-height: calc(100dvh - 28px);
  overflow: auto;
  color: #173b34;
  box-shadow: 0 36px 90px #102d2866;
  animation: phone-share-enter 0.26s ease-out;
}
.phone-share-dialog::backdrop {
  background: #0e292c99;
  backdrop-filter: blur(7px);
}
.phone-share-panel {
  position: relative;
  padding: 34px 30px 26px;
  display: flex;
  align-items: center;
  flex-direction: column;
  text-align: center;
  background: linear-gradient(180deg, #f5faf7 0, #fff 55%);
}
.phone-share-close {
  position: absolute;
  right: 17px;
  top: 14px;
  border: 0;
  background: #e8f1eb;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  color: #315e4c;
}
.phone-share-eyebrow {
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 750;
  color: #39755d;
  margin-top: 11px;
}
.phone-share-panel h2 {
  font-size: 30px;
  letter-spacing: -0.04em;
  margin: 7px 0 5px;
}
.phone-share-intro {
  color: #647b6e;
  margin: 0 0 20px;
  line-height: 1.45;
}
.phone-share-qr {
  width: min(278px, 100%);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 28px;
  background: #fff;
  border: 1px solid #e5ede7;
  box-shadow: 0 18px 42px #173b341a;
  padding: 11px;
  animation: phone-qr-enter 0.38s ease-out both;
}
.phone-share-qr img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.phone-share-topic {
  font-size: 17px;
  letter-spacing: -0.02em;
  margin-top: 19px;
}
.phone-share-meta {
  font-size: 13px;
  color: #65796d;
  margin: 4px 0 17px;
}
.phone-share-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}
.phone-share-url {
  margin-top: 12px;
  width: 100%;
  border: 1px solid #d9e5dc;
  border-radius: 10px;
  padding: 11px;
  color: #486354;
  background: #fff;
  font-size: 12px;
}
.phone-share-foot {
  font-size: 12px;
  color: #849389;
  line-height: 1.5;
  max-width: 330px;
  margin: 15px 0 0;
}
@keyframes phone-share-enter {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes phone-qr-enter {
  from {
    opacity: 0;
    transform: scale(0.93);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@media (max-width: 420px) {
  .phone-share-panel {
    padding: 28px 18px 22px;
  }
  .phone-share-panel h2 {
    font-size: 26px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .phone-share-dialog,
  .phone-share-qr {
    animation: none;
  }
}