.zalo-link-overlay {
  position: fixed;
  inset: 0;
  z-index: 10020;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(20, 28, 43, .58);
  backdrop-filter: blur(7px);
}

.zalo-link-overlay[hidden] {
  display: none;
}

body.zalo-link-modal-open {
  overflow: hidden;
}

.zalo-link-card {
  width: min(100%, 470px);
  padding: 34px;
  border: 1px solid #e8e9ef;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(15, 27, 48, .22);
  color: #15233a;
  text-align: center;
}

.zalo-link-icon {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  margin: 0 auto 15px;
  border-radius: 18px;
  background: linear-gradient(145deg, #168cff, #0565e8);
  box-shadow: 0 10px 24px rgba(5, 101, 232, .25);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
}

.zalo-link-eyebrow {
  margin: 0 0 6px;
  color: #f15a29;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}

.zalo-link-card h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
}

.zalo-link-description {
  margin: 10px 0 18px;
  color: #6f7d93;
  font-size: 13px;
  line-height: 1.65;
}

.zalo-link-account {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding: 11px 13px;
  border-radius: 12px;
  background: #f5f7fb;
  color: #7787a0;
  font-size: 11px;
  text-align: left;
}

.zalo-link-account strong {
  overflow: hidden;
  color: #33425a;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#zalo-link-form {
  text-align: left;
}

#zalo-link-form label {
  display: block;
  margin-bottom: 7px;
  color: #26364f;
  font-size: 12px;
  font-weight: 800;
}

#zalo-link-id {
  width: 100%;
  height: 48px;
  box-sizing: border-box;
  padding: 0 14px;
  border: 1px solid #dfe3eb;
  border-radius: 12px;
  outline: none;
  color: #17243a;
  font: inherit;
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
}

#zalo-link-id:focus {
  border-color: #168cff;
  box-shadow: 0 0 0 4px rgba(22, 140, 255, .12);
}

#zalo-link-help {
  display: block;
  margin-top: 7px;
  color: #8a96a8;
  font-size: 10.5px;
  line-height: 1.45;
}

.zalo-admin-contact {
  display: flex;
  gap: 9px;
  align-items: center;
  margin-top: 12px;
  padding: 9px 10px;
  border: 1px solid #d8e8ff;
  border-radius: 11px;
  background: #f7fbff;
  color: #2b405f;
  text-decoration: none;
  box-shadow: 0 0 0 0 rgba(22, 119, 238, .32);
  animation: zalo-admin-glow 2.2s ease-in-out infinite;
  transition: border-color .2s, background .2s, transform .2s;
}

.zalo-admin-contact:hover {
  border-color: #78b7ff;
  background: #f0f8ff;
  transform: translateY(-1px);
}

.zalo-admin-contact-icon {
  display: grid;
  width: 29px;
  height: 29px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 8px;
  background: #1677ee;
  color: #fff;
  font-size: 9px;
  font-weight: 800;
}

.zalo-admin-contact > span:nth-child(2) {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  gap: 2px;
}

.zalo-admin-contact b {
  font-size: 11px;
}

.zalo-admin-contact small {
  color: #71829b;
  font-size: 9.5px;
}

.zalo-admin-contact i {
  color: #1677ee;
  font-size: 15px;
  font-style: normal;
  font-weight: 800;
}

@keyframes zalo-admin-glow {
  0%, 100% {
    border-color: #d8e8ff;
    box-shadow: 0 0 0 0 rgba(22, 119, 238, .24), 0 3px 8px rgba(22, 119, 238, .05);
  }
  50% {
    border-color: #79b9ff;
    box-shadow: 0 0 0 5px rgba(22, 119, 238, .1), 0 6px 14px rgba(22, 119, 238, .16);
  }
}

@media (prefers-reduced-motion: reduce) {
  .zalo-admin-contact { animation: none; }
}

.zalo-link-error {
  display: none;
  margin: 10px 0 0;
  padding: 9px 11px;
  border-radius: 9px;
  background: #fff1ee;
  color: #c83e1a;
  font-size: 11px;
  line-height: 1.45;
}

.zalo-link-error.is-visible {
  display: block;
}

#zalo-link-submit {
  width: 100%;
  height: 48px;
  margin-top: 16px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #ff6b40, #ed481b);
  box-shadow: 0 9px 20px rgba(237, 72, 27, .22);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
}

#zalo-link-submit:disabled {
  cursor: wait;
  opacity: .7;
}

.zalo-link-note {
  margin: 14px 0 0;
  color: #8a96a8;
  font-size: 10.5px;
}

@media (max-width: 520px) {
  .zalo-link-overlay {
    align-items: end;
    padding: 12px;
  }

  .zalo-link-card {
    padding: 26px 20px 22px;
    border-radius: 22px;
  }

  .zalo-link-card h2 {
    font-size: 19px;
  }

  .zalo-link-account {
    display: block;
  }

  .zalo-link-account strong {
    display: block;
    margin-top: 4px;
  }
}