/* ═══════════════════════════════════════════════════════════════════════════
   Bariatric Nepal – PWA Install Popup  (pwa-popup.css)
   Brand tokens mirror portal.css: --pri:#0a5fb4  --grn:#0e9f7e
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset & tokens ─────────────────────────────────────────────────────── */
:root {
  --pwa-pri:       #0a4f9e;
  --pwa-pri-d:     #073f78;
  --pwa-grn:       #0e9f7e;
  --pwa-white:     #ffffff;
  --pwa-text:      #10172a;
  --pwa-muted:     #69728a;
  --pwa-border:    #e6e9ef;
  --pwa-bg:        #f4f6f9;
  --pwa-grad:      linear-gradient(135deg, #0a4f9e 0%, #0f9b8e 100%);
  --pwa-shadow:    0 4px 12px rgba(10,23,42,.10), 0 24px 56px rgba(10,23,42,.22);
  --pwa-radius:    22px;
  --pwa-radius-sm: 12px;
  --pwa-font:      'Plus Jakarta Sans', -apple-system, 'Segoe UI', Arial, sans-serif;
  --pwa-transition: .22s cubic-bezier(.4,0,.2,1);
}

/* ── Overlay backdrop ────────────────────────────────────────────────────── */
.bn-pwa-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: flex;
  align-items: flex-end;          /* slide up from bottom */
  justify-content: center;
  padding: 0 12px 20px;
  background: rgba(10, 23, 42, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--pwa-transition);
  pointer-events: none;
}
.bn-pwa-overlay.bn-pwa-visible {
  opacity: 1;
  pointer-events: all;
}

/* on larger screens center it vertically instead */
@media (min-width: 520px) {
  .bn-pwa-overlay { align-items: center; }
}

/* ── Card ────────────────────────────────────────────────────────────────── */
.bn-pwa-card {
  position: relative;
  background: var(--pwa-white);
  border-radius: var(--pwa-radius);
  box-shadow: var(--pwa-shadow);
  padding: 32px 24px 24px;
  max-width: 420px;
  width: 100%;
  font-family: var(--pwa-font);
  transform: translateY(40px) scale(.97);
  transition: transform var(--pwa-transition);
}
.bn-pwa-overlay.bn-pwa-visible .bn-pwa-card {
  transform: translateY(0) scale(1);
}

/* ── Close button ────────────────────────────────────────────────────────── */
.bn-pwa-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border: none;
  background: var(--pwa-bg);
  border-radius: 50%;
  color: var(--pwa-muted);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background var(--pwa-transition), color var(--pwa-transition);
}
.bn-pwa-close:hover {
  background: #e0e4ee;
  color: var(--pwa-text);
}

/* ── App icon ────────────────────────────────────────────────────────────── */
.bn-pwa-icon-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}
.bn-pwa-app-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  box-shadow: 0 6px 20px rgba(10,79,158,.25);
  object-fit: cover;
  display: block;
}

/* ── Typography ──────────────────────────────────────────────────────────── */
.bn-pwa-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--pwa-text);
  text-align: center;
  margin: 0 0 8px;
  line-height: 1.3;
}
.bn-pwa-subtitle {
  font-size: 14px;
  color: var(--pwa-muted);
  text-align: center;
  margin: 0 0 20px;
  line-height: 1.6;
}
.bn-pwa-subtitle strong { color: var(--pwa-text); }

/* ── Benefits list (Android card) ───────────────────────────────────────── */
.bn-pwa-benefits {
  background: var(--pwa-bg);
  border-radius: var(--pwa-radius-sm);
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bn-pwa-benefit {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--pwa-text);
  font-weight: 500;
}
.bn-pwa-benefit-icon {
  font-size: 18px;
  flex-shrink: 0;
  width: 28px;
  text-align: center;
}

/* ── Primary install button ──────────────────────────────────────────────── */
.bn-pwa-btn-primary {
  width: 100%;
  padding: 15px;
  background: var(--pwa-grad);
  color: #fff;
  border: none;
  border-radius: var(--pwa-radius-sm);
  font-size: 15px;
  font-weight: 700;
  font-family: var(--pwa-font);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 18px rgba(10,79,158,.30);
  transition: filter var(--pwa-transition), transform var(--pwa-transition);
  margin-bottom: 10px;
}
.bn-pwa-btn-primary:hover  { filter: brightness(1.08); transform: translateY(-1px); }
.bn-pwa-btn-primary:active { filter: brightness(.96);  transform: translateY(0);    }

/* ── Ghost / secondary button ───────────────────────────────────────────── */
.bn-pwa-btn-ghost {
  width: 100%;
  padding: 12px;
  background: transparent;
  color: var(--pwa-muted);
  border: 1.5px solid var(--pwa-border);
  border-radius: var(--pwa-radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--pwa-font);
  cursor: pointer;
  transition: background var(--pwa-transition), color var(--pwa-transition);
}
.bn-pwa-btn-ghost:hover {
  background: var(--pwa-bg);
  color: var(--pwa-text);
}

/* ── iOS step-by-step guide ─────────────────────────────────────────────── */
.bn-pwa-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 18px;
}
.bn-pwa-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.bn-pwa-step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--pwa-grad);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 10px rgba(10,79,158,.25);
}
.bn-pwa-step-body { flex: 1; }
.bn-pwa-step-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--pwa-text);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.bn-pwa-step-desc {
  font-size: 13px;
  color: var(--pwa-muted);
  line-height: 1.55;
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}
.bn-pwa-step-desc strong { color: var(--pwa-text); }
.bn-pwa-step-hint {
  font-size: 12px;
  color: #9aa3b5;
  margin-top: 3px;
}

/* iOS share icon inline badge */
.bn-pwa-ios-share-icon {
  display: inline-flex;
  align-items: center;
  background: #f0f5ff;
  border-radius: 7px;
  padding: 3px 5px;
  vertical-align: middle;
}
/* iOS "Add to Home Screen" + icon badge */
.bn-pwa-add-badge {
  display: inline-flex;
  align-items: center;
  background: #f0f5ff;
  border-radius: 7px;
  padding: 2px 4px;
  vertical-align: middle;
}

/* ── Bottom arrow hint (iOS) ─────────────────────────────────────────────── */
.bn-pwa-ios-arrow {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  background: linear-gradient(135deg, rgba(10,79,158,.07), rgba(15,155,142,.07));
  border: 1px dashed rgba(10,79,158,.2);
  border-radius: var(--pwa-radius-sm);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 12.5px;
  color: var(--pwa-pri);
  font-weight: 600;
  text-align: center;
}
.bn-pwa-ios-arrow svg { flex-shrink: 0; animation: bn-pwa-bounce .9s ease infinite; }

@keyframes bn-pwa-bounce {
  0%, 100% { transform: translateY(0);   }
  50%       { transform: translateY(5px); }
}

/* ── Snackbar / mini-prompt at bottom (optional, for returning users) ────── */
.bn-pwa-snackbar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--pwa-text);
  color: #fff;
  border-radius: 999px;
  padding: 12px 20px;
  font-family: var(--pwa-font);
  font-size: 13.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 999998;
  box-shadow: 0 8px 24px rgba(10,23,42,.3);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  white-space: nowrap;
  max-width: calc(100vw - 32px);
}
.bn-pwa-snackbar.bn-pwa-snackbar-visible {
  transform: translateX(-50%) translateY(0);
}
.bn-pwa-snackbar-btn {
  background: var(--pwa-grad);
  border: none;
  border-radius: 999px;
  color: #fff;
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 700;
  font-family: var(--pwa-font);
  cursor: pointer;
  white-space: nowrap;
}

/* ── Standalone mode tweaks ─────────────────────────────────────────────── */
/* When running as installed PWA, remove iOS safe-area padding issues */
@media (display-mode: standalone) {
  body {
    /* Respect notch on iPhone */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }

  /* Hide any "Install app" prompts when already installed */
  .bn-pwa-overlay,
  .bn-pwa-snackbar {
    display: none !important;
  }

  /* Make the top bar account for status bar on iOS */
  .bn-topbar {
    padding-top: calc(14px + env(safe-area-inset-top)) !important;
  }
}

/* ── Accessibility ────────────────────────────────────────────────────────── */
.bn-pwa-overlay[hidden]  { display: none !important; }
.bn-pwa-card[hidden]     { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  .bn-pwa-overlay,
  .bn-pwa-card,
  .bn-pwa-btn-primary,
  .bn-pwa-ios-arrow svg {
    transition: none !important;
    animation: none !important;
  }
}