/**
 * TheHUB V3 - PWA Styles
 * Styles for PWA-specific UI elements
 */

/* ========== SAFE AREA HANDLING (Notch, etc) ========== */
@supports (padding-top: env(safe-area-inset-top)) {
  .header {
    padding-top: env(safe-area-inset-top);
    height: calc(var(--header-height) + env(safe-area-inset-top));
  }

  .mobile-nav {
    padding-bottom: env(safe-area-inset-bottom);
    height: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
  }

  .main-content {
    padding-left: max(var(--space-lg), env(safe-area-inset-left));
    padding-right: max(var(--space-lg), env(safe-area-inset-right));
  }
}

/* ========== PWA INSTALLED STATE ========== */
body.pwa-installed .header-install,
body.pwa-installed .pwa-install-prompt {
  display: none !important;
}

/* Hide browser-specific UI hints when installed */
body.pwa-installed .browser-hint {
  display: none;
}

/* ========== INSTALL BUTTON ========== */
.pwa-install-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.pwa-install-btn:hover {
  background: var(--color-accent-hover);
  transform: scale(1.02);
}

.pwa-install-btn.hidden {
  display: none;
}

.pwa-install-icon {
  font-size: var(--text-md);
}

.hide-mobile {
  display: none;
}

@media (min-width: 600px) {
  .hide-mobile {
    display: inline;
  }
}

/* ========== UPDATE NOTIFICATION ========== */
.pwa-update-notification {
  position: fixed;
  bottom: calc(var(--mobile-nav-height) + var(--space-md) + env(safe-area-inset-bottom, 0px));
  left: var(--space-md);
  right: var(--space-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-toast);
  transform: translateY(120%);
  transition: transform var(--transition-base);
}

.pwa-update-notification.visible {
  transform: translateY(0);
}

.pwa-update-notification span {
  flex: 1;
  font-size: var(--text-sm);
}

.pwa-update-notification button {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: all var(--transition-fast);
}

.pwa-update-notification button:first-of-type {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.pwa-update-notification button:last-of-type {
  background: transparent;
  color: var(--color-text-secondary);
}

@media (min-width: 600px) {
  .pwa-update-notification {
    left: auto;
    right: var(--space-lg);
    max-width: 400px;
  }
}

/* ========== iOS INSTALL MODAL ========== */
.pwa-ios-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pwa-ios-modal.visible {
  opacity: 1;
}

.pwa-ios-modal-content {
  background: var(--color-bg-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-xl);
  padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
  width: 100%;
  max-width: 400px;
  text-align: center;
  transform: translateY(100%);
  transition: transform var(--transition-base);
  position: relative;
}

.pwa-ios-modal.visible .pwa-ios-modal-content {
  transform: translateY(0);
}

.pwa-ios-modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-sunken);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.pwa-ios-modal-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.pwa-ios-modal h2 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-sm);
}

.pwa-ios-modal p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-lg);
}

.pwa-ios-modal ol {
  text-align: left;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.pwa-ios-modal li {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

.pwa-ios-share-icon {
  display: inline-block;
  padding: 2px 6px;
  background: var(--color-accent-light);
  color: var(--color-accent-text);
  border-radius: var(--radius-sm);
  font-size: var(--text-md);
}

.pwa-ios-modal-btn {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--text-md);
  font-weight: var(--weight-medium);
}

/* ========== INSTALL PROMPT BANNER ========== */
.pwa-install-prompt {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  color: white;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.pwa-install-prompt-icon {
  font-size: var(--text-2xl);
}

.pwa-install-prompt-text {
  flex: 1;
}

.pwa-install-prompt-text strong {
  display: block;
  font-weight: var(--weight-semibold);
}

.pwa-install-prompt-text span {
  font-size: var(--text-sm);
  opacity: 0.9;
}

.pwa-install-prompt-btn {
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  font-weight: var(--weight-medium);
  transition: background var(--transition-fast);
}

.pwa-install-prompt-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.pwa-install-prompt-close {
  padding: var(--space-xs);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.pwa-install-prompt-close:hover {
  opacity: 1;
}

/* ========== STANDALONE MODE ADJUSTMENTS ========== */
@media (display-mode: standalone) {
  /* Extra padding for notch/status bar when in app mode */
  .header {
    padding-top: max(var(--space-sm), env(safe-area-inset-top));
  }

  /* Hide install prompts */
  .pwa-install-prompt,
  .pwa-install-btn,
  .header-install {
    display: none !important;
  }
}

/* iOS standalone mode */
@media (display-mode: standalone), (display-mode: fullscreen) {
  html {
    /* Prevent overscroll bounce on iOS */
    overscroll-behavior: none;
    height: 100%;
    height: -webkit-fill-available;
  }

  body {
    /* Prevent pull-to-refresh */
    overscroll-behavior-y: contain;
    height: 100%;
    height: -webkit-fill-available;
    position: fixed;
    width: 100%;
    overflow: hidden;
  }

  /* Main content needs to scroll within fixed body */
  .main-content,
  .gs-main-content,
  main {
    height: calc(100vh - var(--header-height, 60px) - var(--mobile-nav-height, 64px) - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    height: calc(100dvh - var(--header-height, 60px) - var(--mobile-nav-height, 64px) - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  /* Ensure bottom nav stays fixed at bottom in standalone mode */
  .nav-bottom {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 9999 !important;
    transform: translate3d(0, 0, 0); /* Force GPU layer */
    -webkit-transform: translate3d(0, 0, 0);
  }

  /* Header should also be fixed */
  .header,
  .gs-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 9998 !important;
    transform: translate3d(0, 0, 0);
    -webkit-transform: translate3d(0, 0, 0);
  }
}