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

.install-float {
  position: fixed;
  z-index: 100;
  top: 34%;
  right: 14px;
  display: flex;
  width: 112px;
  height: 62px;
  padding: 0;
  border: 1px solid rgba(185, 114, 83, .75);
  border-radius: 8px;
  background: rgba(38, 14, 15, .95);
  color: #f1c7a7;
  box-shadow: inset 0 1px #f5b38c18, 0 6px 22px #0008, 0 0 14px #f3231733;
  touch-action: none;
  user-select: none;
}

.install-float:hover { border-color: #f0b78d; }

.install-main {
  position: relative;
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 2px;
  overflow: hidden;
  padding: 6px 7px 6px 9px;
  border: 0;
  border-radius: inherit;
  background: none;
  color: inherit;
  font: 700 10px/1.25 "Noto Sans SC", system-ui, sans-serif;
  cursor: grab;
  touch-action: none;
}

.install-main:active { cursor: grabbing; }
.install-main img {
  display: block;
  width: 46px;
  height: 46px;
  flex: none;
  object-fit: contain;
  filter: drop-shadow(0 0 7px #e7342866);
  pointer-events: none;
}
.install-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  white-space: nowrap;
}
.install-copy small { color: #f0b78d; font: 700 8px/1 "JetBrains Mono", monospace; letter-spacing: .15em; }

.install-dismiss {
  position: absolute;
  top: -8px;
  right: -8px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(228, 178, 124, .7);
  border-radius: 50%;
  background: #240c13;
  color: #fff0df;
  font: 18px/1 Arial, sans-serif;
  cursor: pointer;
}

.install-main:focus-visible, .install-dismiss:focus-visible,
.install-guide button:focus-visible { outline: 2px solid #ffe0ac; outline-offset: 3px; }

.install-status {
  position: fixed;
  z-index: 120;
  bottom: max(18px, env(safe-area-inset-bottom));
  left: 50%;
  width: max-content;
  max-width: calc(100vw - 32px);
  transform: translateX(-50%);
  padding: 10px 14px;
  border: 1px solid rgba(228, 178, 124, .7);
  border-radius: 10px;
  background: #210d12;
  color: #fff1df;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .55);
  font: 13px/1.5 "Noto Sans SC", system-ui, sans-serif;
  text-align: center;
  pointer-events: none;
}

.install-guide {
  position: fixed;
  z-index: 110;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  font-family: "Noto Sans SC", system-ui, sans-serif;
}

.install-guide-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 3, 5, .79);
  backdrop-filter: blur(6px);
}

.install-guide-panel {
  position: relative;
  width: min(100%, 370px);
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  padding: 25px 22px;
  border: 1px solid rgba(228, 178, 124, .7);
  border-radius: 17px;
  background: #210d12;
  color: #fff1df;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .7);
  text-align: center;
}

.install-guide-panel h2 { margin: 0 0 13px; font-size: 20px; }
.install-guide-panel p { margin: 0; color: #e9c6b1; font-size: 14px; line-height: 1.7; }
.install-guide-panel p.install-steps { text-align: left; white-space: pre-line; }
.install-guide-actions { display: grid; gap: 9px; margin-top: 22px; }
.install-guide button {
  min-height: 44px;
  border: 1px solid rgba(228, 178, 124, .65);
  border-radius: 8px;
  background: #703034;
  color: #fff1df;
  font: 700 13px "Noto Sans SC", system-ui, sans-serif;
  cursor: pointer;
}
@media (max-width: 760px) {
  .install-float { top: 32%; right: 10px; width: 64px; height: 74px; }
  .install-main { flex-direction: column-reverse; justify-content: center; gap: 3px; padding: 4px; }
  .install-main img { width: 40px; height: 40px; }
  .install-copy { align-items: center; }
  .install-copy small { display: none; }
}