/* ==========================================================================
   📲 PROGRESSIVE WEB APP (PWA) INSTALL & FLOATING BADGE STYLES (ANCHORED)
   ========================================================================== */

/* Top Header & Sidebar Install Buttons */
.btn-install-action {
  background: var(--brand-gold, #b45309) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  border: none !important;
  display: none; /* Shown dynamically when install is eligible */
  animation: pwaPulse 2s infinite;
}

.btn-install-action:hover {
  background: #92400e !important;
  transform: translateY(-1px);
}

@keyframes pwaPulse {
  0% { box-shadow: 0 0 0 0 rgba(180, 83, 9, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(180, 83, 9, 0); }
  100% { box-shadow: 0 0 0 0 rgba(180, 83, 9, 0); }
}

/* ==========================================================================
   Floating Bottom Install Banner - Expanded State
   ========================================================================== */
.pwa-install-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  right: auto;
  z-index: 9999;
  max-width: 390px;
  background: var(--bg-surface, #ffffff);
  color: var(--text-main, #0f172a);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  padding: 0.85rem 1rem;
  display: none; /* Shown dynamically via JS */
  align-items: center;
  gap: 0.75rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  animation: pwaSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pwaSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.pwa-banner-content {
  flex: 1;
  min-width: 0;
}

.pwa-banner-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main, #0f172a);
  margin-bottom: 0.15rem;
  line-height: 1.25;
}

.pwa-banner-icon {
  font-size: 1.25rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pwa-banner-desc {
  font-size: 0.76rem;
  color: var(--text-secondary, #64748b);
  line-height: 1.35;
}

.pwa-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.pwa-btn-primary,
.pwa-banner-install-btn {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  background: var(--brand-primary, #1d3b5c);
  color: #ffffff;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.pwa-btn-primary:hover,
.pwa-banner-install-btn:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

.pwa-btn-collapse {
  background: transparent;
  border: none;
  color: var(--text-muted, #94a3b8);
  font-size: 0.95rem;
  cursor: pointer;
  padding: 0.2rem 0.35rem;
  line-height: 1;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.pwa-btn-collapse:hover {
  color: var(--text-main, #0f172a);
  background: var(--bg-subtle, rgba(0, 0, 0, 0.06));
}

.pwa-btn-dismiss,
.pwa-banner-dismiss-btn {
  background: transparent;
  border: none;
  color: var(--text-muted, #94a3b8);
  font-size: 1rem;
  cursor: pointer;
  padding: 0.2rem 0.35rem;
  line-height: 1;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.pwa-btn-dismiss:hover,
.pwa-banner-dismiss-btn:hover {
  color: var(--text-main, #0f172a);
  background: var(--bg-subtle, rgba(0, 0, 0, 0.06));
}

.pwa-banner-expand-hint {
  display: none;
}

/* ==========================================================================
   Collapsed Floating Badge (Pill) State - Persistent & Clickable
   ========================================================================== */
.pwa-install-banner.is-collapsed {
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: auto;
  max-width: 260px;
  padding: 0.52rem 0.95rem;
  background: var(--bg-surface, #ffffff);
  color: var(--text-main, #0f172a);
  border: 1.5px solid var(--brand-primary, #1d3b5c);
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
  cursor: pointer;
  position: fixed !important;
  bottom: 1.5rem !important;
  left: 1.5rem !important;
  right: auto !important;
  z-index: 9999 !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.pwa-install-banner.is-collapsed:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
  background: var(--bg-subtle, #f8fafc);
}

.pwa-install-banner.is-collapsed .pwa-banner-content {
  flex: none;
  display: flex;
  align-items: center;
}

.pwa-install-banner.is-collapsed .pwa-banner-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-main, #0f172a);
  margin: 0;
  white-space: nowrap;
}

.pwa-install-banner.is-collapsed .pwa-banner-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.pwa-install-banner.is-collapsed .pwa-banner-desc,
.pwa-install-banner.is-collapsed .pwa-banner-actions {
  display: none !important;
}

.pwa-install-banner.is-collapsed .pwa-banner-expand-hint {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--brand-primary, #1d3b5c);
  margin-left: 0.3rem;
  background: var(--bg-subtle, rgba(0, 0, 0, 0.06));
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
}

/* Standalone PWA mode adaptations */
@media all and (display-mode: standalone) {
  #headerInstallAppBtn,
  #sidebarInstallAppBtn,
  .pwa-install-banner,
  .btn-install-action {
    display: none !important;
  }
}

/* On mobile/tablet viewports (<=900px), hide the floating bottom install banner
   because it collides with the mobile bottom navigation bar (.mobile-bottom-nav).
   Users can install 1-tap via the drawer menu (#drawerInstallBtn) or top header. */
@media (max-width: 900px) {
  .pwa-install-banner,
  .pwa-install-banner.is-collapsed {
    display: none !important;
  }
}

@media (max-width: 600px) {
  .pwa-ios-modal-card {
    max-height: 88vh !important;
    padding: 1.25rem 1rem !important;
    border-radius: 16px !important;
  }
  .pwa-ios-confirm-btn {
    width: 100% !important;
    text-align: center !important;
    min-height: 44px !important;
  }
}

/* ==========================================================================
   iOS Safari 3-Step Install Helper Modal
   ========================================================================== */
.pwa-ios-modal,
.pwa-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10001;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.pwa-ios-modal.open,
.pwa-modal-backdrop.open,
body.pwa-modal-open .pwa-ios-modal:not(.hidden),
body.pwa-modal-open .pwa-modal-backdrop {
  display: flex !important;
}

.pwa-ios-modal.hidden {
  display: none !important;
}

body.pwa-modal-open {
  overflow: hidden !important;
}

.pwa-ios-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.pwa-ios-modal-card {
  position: relative;
  z-index: 2;
  background: var(--bg-surface, #ffffff);
  color: var(--text-main, #0f172a);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: var(--radius-lg, 16px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1.5rem;
  animation: pwaSlideUp 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pwa-ios-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pwa-ios-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pwa-ios-app-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.pwa-ios-modal-header h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main, #0f172a);
}

.pwa-ios-close {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted, #94a3b8);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  line-height: 1;
  transition: all 0.15s ease;
}

.pwa-ios-close:hover {
  color: var(--text-main, #0f172a);
  background: var(--bg-subtle, rgba(0, 0, 0, 0.06));
}

.pwa-ios-subtitle {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-secondary, #475569);
  margin: 0;
}

.pwa-ios-steps {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pwa-ios-steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.pwa-step-num {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: var(--brand-primary, #1d3b5c);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.pwa-step-body {
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text-main, #1e293b);
}

.ios-icon-pill {
  display: inline-block;
  background: var(--bg-subtle, #f1f5f9);
  border: 1px solid var(--border-color, #cbd5e1);
  padding: 0.1rem 0.45rem;
  border-radius: 5px;
  font-weight: 700;
  font-size: 0.85rem;
}

.pwa-ios-note {
  padding: 0.75rem 0.95rem;
  background: var(--bg-accent-soft, #f0f7ff);
  border: 1px solid var(--border-color, #bfdbfe);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--text-main, #1e3a8a);
  line-height: 1.4;
}

.pwa-ios-confirm-btn {
  background: var(--brand-primary, #1d3b5c);
  color: #ffffff;
  border: none;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  cursor: pointer;
  align-self: flex-end;
  transition: all 0.15s ease;
}

.pwa-ios-confirm-btn:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

/* Fallback Generic Modal */
.pwa-modal-content {
  background: var(--bg-surface, #ffffff);
  color: var(--text-main, #0f172a);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: var(--radius-lg, 14px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  animation: pwaSlideUp 0.25s ease;
}

.pwa-modal-header {
  padding: 1.25rem 1.5rem;
  background: var(--bg-subtle, #f8fafc);
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pwa-modal-header h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main, #0f172a);
}

.pwa-modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted, #94a3b8);
  cursor: pointer;
  line-height: 1;
}

.pwa-modal-body {
  padding: 1.5rem;
}

.pwa-modal-footer {
  padding: 0.85rem 1.5rem;
  background: var(--bg-subtle, #f8fafc);
  border-top: 1px solid var(--border-color, #e2e8f0);
  display: flex;
  justify-content: flex-end;
}

/* Success Toast */
.pwa-install-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-primary, #1d3b5c);
  color: #ffffff;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 10002;
  display: none;
  animation: pwaSlideUp 0.3s ease;
}