.install-guide-launcher {
  position: fixed;
  right: 12px;
  bottom: calc(70px + env(safe-area-inset-bottom));
  z-index: 35;
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid rgba(18, 201, 155, 0.65);
  border-radius: 999px;
  color: #eafff9;
  background: rgba(7, 17, 31, 0.94);
  box-shadow: 0 10px 26px rgba(7, 17, 31, 0.28);
  font-size: 12px;
  font-weight: 850;
  backdrop-filter: blur(12px);
}

.install-guide-launcher[hidden],
.install-guide[hidden] {
  display: none !important;
}

.install-guide {
  position: fixed;
  inset: 0;
  z-index: 180;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 14px 12px calc(14px + env(safe-area-inset-bottom));
}

.install-guide-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 12, 23, 0.72);
  backdrop-filter: blur(5px);
}

.install-guide-card {
  position: relative;
  width: min(100%, 480px);
  max-height: min(86dvh, 720px);
  overflow-y: auto;
  border: 1px solid rgba(148, 163, 184, 0.26);
  border-radius: 22px;
  color: #eaf2fc;
  background: linear-gradient(160deg, #0d1a2d, #07111f 72%);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.46);
}

.install-guide-head {
  padding: 18px 18px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.install-guide-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.install-guide-brand img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
}

.install-guide-brand strong,
.install-guide-brand span {
  display: block;
}

.install-guide-brand strong {
  font-size: 16px;
}

.install-guide-brand span {
  margin-top: 2px;
  color: #91a2b8;
  font-size: 11px;
}

.install-guide-close {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 10px;
  color: #c6d2e2;
  background: rgba(255, 255, 255, 0.04);
  font-size: 20px;
  line-height: 1;
}

.install-guide-progress {
  height: 4px;
  margin: 16px 18px 0;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
}

.install-guide-progress span {
  display: block;
  width: var(--install-progress, 20%);
  height: 100%;
  border-radius: inherit;
  background: #12c99b;
  transition: width 180ms ease;
}

.install-guide-body {
  padding: 22px 20px 8px;
}

.install-guide-step {
  color: #12c99b;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.install-guide-body h2 {
  margin: 9px 0 10px;
  color: #fff;
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.install-guide-body p {
  margin: 0;
  color: #aab8ca;
  font-size: 14px;
  line-height: 1.75;
}

.install-guide-visual {
  min-height: 126px;
  margin: 20px 0 4px;
  padding: 18px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.045);
}

.install-guide-action-preview {
  width: min(100%, 310px);
  min-height: 64px;
  padding: 12px 15px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  color: #132033;
  background: #f7f9fc;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.install-guide-action-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #073f32;
  background: #c8f7e9;
  font-size: 23px;
  font-weight: 900;
}

.install-guide-action-preview strong,
.install-guide-action-preview small {
  display: block;
}

.install-guide-action-preview strong {
  font-size: 15px;
}

.install-guide-action-preview small {
  margin-top: 4px;
  color: #66758a;
  font-size: 11px;
  line-height: 1.45;
}

.install-guide-note {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 11px;
  color: #b9c8da;
  background: rgba(18, 201, 155, 0.09);
  font-size: 12px;
  line-height: 1.6;
}

.install-guide-note.is-warning {
  color: #ffe2a8;
  background: rgba(185, 133, 25, 0.14);
}

.install-guide-actions {
  padding: 14px 20px 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.65fr);
  gap: 9px;
}

.install-guide-actions button {
  min-height: 46px;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 850;
}

.install-guide-secondary {
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: #c3cede;
  background: transparent;
}

.install-guide-primary {
  border: 1px solid #12c99b;
  color: #03150f;
  background: #12c99b;
}

.install-guide-primary:disabled {
  opacity: 0.55;
  cursor: wait;
}

@media (max-width: 360px) {
  .install-guide {
    padding-left: 8px;
    padding-right: 8px;
  }

  .install-guide-body h2 {
    font-size: 22px;
  }

  .install-guide-visual {
    min-height: 112px;
    margin-top: 16px;
  }
}