/*
INSTALL.CSS

The "Install app" button and the how-to sheets for iPhone and Android. The
sheet styles come from Halo Mobile's port/web/site/style.css
(https://github.com/OMG-Guest/Halo-Mobile, CC0).
*/

.install-sheet {
  --text: #e7eef7;
  --muted: #9aa3b5;
  --accent: #79d1ff;
  --panel-edge: rgba(127, 209, 255, 0.35);
  position: fixed;
  z-index: 2000;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(92vw, 460px);
  max-height: calc(100% - 32px);
  overflow: auto;
  padding: 18px 20px 20px;
  background: rgba(9, 15, 25, 0.97);
  border: 1px solid var(--panel-edge);
  border-radius: 8px;
  box-shadow: 0 -10px 50px rgba(0, 0, 0, 0.6), 0 0 24px rgba(95, 200, 255, 0.12);
  color: var(--text);
  text-align: left;
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, Roboto, "Segoe UI", sans-serif;
}
.install-sheet[hidden] { display: none; }
.install-sheet h2 { margin: 0 0 12px; font-size: 18px; color: var(--accent); letter-spacing: 0.04em; }
.install-sheet .small { color: var(--muted); font-size: 13px; margin: 6px 0 0; }
.install-sheet button {
  width: 100%;
  margin-top: 12px;
  min-height: 40px;
  border-radius: 9px;
  border: 1px solid #59b8f5;
  background: #1f7fc0;
  color: #fff;
  font: 600 15px/1 -apple-system, BlinkMacSystemFont, Roboto, "Segoe UI", sans-serif;
}
.install-sheet .steps { list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 14px; }
.install-sheet .steps li { display: flex; align-items: center; gap: 12px; font-size: 15px; }
.install-sheet .step-icon {
  flex: none;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(127, 209, 255, 0.5);
  background: rgba(20, 40, 60, 0.8);
  color: var(--accent);
}
.install-sheet .step-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

#install-app[hidden] { display: none; }