/* v39.2.1 – Mobile App Install Prompt */
.itkInstallPrompt{position:fixed;left:18px;right:18px;bottom:18px;z-index:100000;display:none;align-items:stretch;justify-content:center;pointer-events:none}
.itkInstallPrompt.is-visible{display:flex}
.itkInstallCard{width:min(520px,100%);pointer-events:auto;background:rgba(255,255,255,.96);border:1px solid #dbeafe;border-radius:26px;box-shadow:0 28px 90px rgba(15,23,42,.24);overflow:hidden;backdrop-filter:blur(16px)}
.itkInstallTop{display:flex;gap:14px;align-items:center;padding:18px 18px 10px}
.itkInstallIcon{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,#111827,#172554 55%,#2563eb);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:950;letter-spacing:-.08em;font-size:22px;flex:0 0 auto;box-shadow:0 12px 30px rgba(37,99,235,.28)}
.itkInstallText{min-width:0}.itkInstallText strong{display:block;color:#0f172a;font-size:17px;line-height:1.25}.itkInstallText span{display:block;color:#64748b;font-size:13px;line-height:1.4;margin-top:4px}
.itkInstallActions{display:flex;gap:10px;padding:12px 18px 18px}
.itkInstallBtn{border:0;border-radius:16px;padding:12px 14px;font-weight:950;cursor:pointer;font:inherit}.itkInstallBtn.primary{background:#2563eb;color:#fff;flex:1}.itkInstallBtn.secondary{background:#eff6ff;color:#1d4ed8}
.itkInstallIosHelp{padding:0 18px 18px;color:#334155;font-size:13px;line-height:1.45;display:none}.itkInstallPrompt.is-ios .itkInstallIosHelp{display:block}.itkInstallIosHelp code{background:#eff6ff;color:#1d4ed8;border-radius:8px;padding:2px 6px;font-weight:900}
@media(max-width:560px){.itkInstallPrompt{left:10px;right:10px;bottom:10px}.itkInstallCard{border-radius:24px}.itkInstallTop{padding:16px 16px 8px}.itkInstallIcon{width:50px;height:50px;border-radius:17px}.itkInstallText strong{font-size:16px}.itkInstallActions{padding:10px 16px 16px;flex-direction:column}.itkInstallBtn{width:100%}}