/* ============================================================
   PWA UI — Install banner, FAB, modal, toast (fixed positioning)
   ============================================================ */

/* ============ INSTALL BANNER ============ */
.pwa-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  margin-inline: auto;
  width: min(480px, 100%);
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  z-index: 9998;
  pointer-events: none;
  /* Fully hidden: pushed below viewport + invisible */
  transform: translateY(calc(100% + 3rem));
  visibility: hidden;
  opacity: 0;
  transition:
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.3s ease,
    visibility 0s linear 0.45s;
}
.pwa-banner.visible {
  transform: translateY(0);
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition:
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.3s ease;
}

.pwa-banner-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #FFD60A;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.pwa-banner-text {
  flex: 1;
  min-width: 0;
}
.pwa-banner-text strong {
  display: block;
  font-size: 0.95rem;
  font-family: var(--font-display);
  color: var(--text);
}
.pwa-banner-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.pwa-banner-install {
  padding: 0.55rem 1.1rem;
  background: var(--primary);
  color: #0A0A0A;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.2s;
  flex-shrink: 0;
}
.pwa-banner-install:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}
.pwa-banner-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem;
  flex-shrink: 0;
}
.pwa-banner-close:hover { color: var(--text); }

/* ============ FLOATING INSTALL BUTTON (FAB) ============ */
.pwa-fab {
  position: fixed;
  right: calc(1.25rem + env(safe-area-inset-right, 0px));
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #0A0A0A;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(255, 214, 10, 0.4);
  z-index: 9997;
  transition: transform 0.2s, opacity 0.3s;
}
.pwa-fab:hover { transform: scale(1.08); }
.pwa-fab[hidden] { display: none; }
/* Hide FAB while banner is open (banner is the previous sibling) */
.pwa-banner.visible + .pwa-fab {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

/* ============ INSTRUCTIONS MODAL ============ */
.pwa-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 10000;
}
.pwa-modal[hidden] { display: none; }
.pwa-modal-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}
.pwa-modal-card h3 {
  font-family: var(--font-display);
  margin-bottom: 1.25rem;
}
.pwa-modal-card ol {
  text-align: left;
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
  color: var(--text-muted);
  line-height: 1.9;
  font-size: 0.95rem;
}
.pwa-modal-card ol strong { color: var(--text); }

/* ============ TOAST ============ */
.pwa-toast {
  position: fixed;
  left: 1rem;
  right: 1rem;
  margin-inline: auto;
  width: fit-content;
  max-width: min(560px, 100%);
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 1.25rem;
  background: var(--text);
  color: var(--bg);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  z-index: 10001;
  pointer-events: none;
  /* Fully hidden — no peeking sliver */
  transform: translateY(calc(100% + 3rem));
  visibility: hidden;
  opacity: 0;
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.25s ease,
    visibility 0s linear 0.35s;
}
.pwa-toast.visible {
  transform: translateY(0);
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.25s ease;
}
.pwa-toast-action {
  background: var(--primary);
  color: #0A0A0A;
  border: none;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  flex-shrink: 0;
}
.pwa-toast-action[hidden] { display: none; }

/* ============ STANDALONE (installed app) SAFE AREAS ============ */
body.is-standalone .site-header {
  padding-top: env(safe-area-inset-top);
}
body.is-standalone .site-footer {
  padding-bottom: calc(2rem + env(safe-area-inset-bottom));
}

/* ============ SMALL SCREENS ============ */
@media (max-width: 480px) {
  .pwa-banner {
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  .pwa-banner-text {
    flex: 1 1 55%;
  }
  .pwa-banner-close {
    position: absolute;
    top: 0.4rem;
    right: 0.5rem;
  }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  .pwa-banner,
  .pwa-toast,
  .pwa-fab {
    transition: none;
  }
}