/* =========================================================
   PWA Install Banner — NarkoGold
   Bottom sheet on mobile / centered popup on desktop
   ========================================================= */

.pwa-install {
  --pwa-bg: #111111;
  --pwa-surface: #1a1a1a;
  --pwa-text: #ffffff;
  --pwa-muted: #b0b0b0;
  --pwa-accent: #d4af37;
  --pwa-accent-hover: #e4c04a;
  --pwa-border: rgba(255, 255, 255, 0.1);
  --pwa-radius: 16px;
  --pwa-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --pwa-z: 10050;

  position: fixed;
  inset: 0;
  z-index: var(--pwa-z);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.pwa-install.is-visible {
  pointer-events: auto;
  visibility: visible;
  opacity: 1;
}

.pwa-install__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  border: 0;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.28s ease;
}

.pwa-install.is-visible .pwa-install__backdrop {
  opacity: 1;
}

.pwa-install__sheet {
  position: relative;
  width: min(100%, 420px);
  max-height: min(88vh, 560px);
  overflow: auto;
  background: linear-gradient(165deg, var(--pwa-surface) 0%, var(--pwa-bg) 100%);
  color: var(--pwa-text);
  border: 1px solid var(--pwa-border);
  border-radius: var(--pwa-radius) var(--pwa-radius) 12px 12px;
  box-shadow: var(--pwa-shadow);
  padding: 22px 20px 18px;
  transform: translateY(24px);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  -webkit-overflow-scrolling: touch;
}

.pwa-install.is-visible .pwa-install__sheet {
  transform: translateY(0);
}

.pwa-install__handle {
  display: block;
  width: 40px;
  height: 4px;
  margin: 0 auto 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
}

.pwa-install__close {
  position: absolute;
  top: 14px;
  inset-inline-end: 14px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--pwa-text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.2s ease;
}

.pwa-install__close:hover,
.pwa-install__close:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  outline: none;
}

.pwa-install__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  padding-inline-end: 36px;
}

.pwa-install__icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: contain;
  object-position: center;
  background: #000;
  border: 0;
  box-shadow: none;
  flex-shrink: 0;
  /* Matches iPhone home-screen icon: gold mark on black tile */
  overflow: hidden;
}

.pwa-install__title {
  margin: 0 0 4px;
  font-family: Verdana, Geneva, sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.25;
  color: var(--pwa-text);
}

.pwa-install h2.pwa-install__title {
  font-family: Verdana, Geneva, sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.pwa-install__subtitle {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--pwa-muted);
}

.pwa-install__copy {
  margin: 0 0 18px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--pwa-muted);
}

.pwa-install__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pwa-install__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-family: var(--default-font, "Roboto", sans-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.pwa-install__btn--primary {
  background: var(--pwa-accent);
  color: #111111;
}

.pwa-install__btn--primary:hover,
.pwa-install__btn--primary:focus-visible {
  background: var(--pwa-accent-hover);
  outline: none;
}

.pwa-install__btn--ghost {
  background: transparent;
  color: var(--pwa-muted);
  border-color: var(--pwa-border);
}

.pwa-install__btn--ghost:hover,
.pwa-install__btn--ghost:focus-visible {
  color: var(--pwa-text);
  border-color: rgba(255, 255, 255, 0.28);
  outline: none;
}

/* Chromium install panel vs iOS instructions */
.pwa-install__panel[hidden] {
  display: none !important;
}

.pwa-install__ios-steps {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pwa-install__ios-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--pwa-border);
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--pwa-text);
}

.pwa-install__step-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--pwa-accent);
  color: #111;
}

.pwa-install__ios-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  width: 1.35em;
  height: 1.35em;
  margin: 0 0.15em;
  color: var(--pwa-accent);
}

.pwa-install__ios-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.pwa-install__more-dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75em;
  padding: 0 0.35em;
  margin: 0 0.2em;
  border-radius: 6px;
  background: rgba(212, 175, 55, 0.18);
  color: var(--pwa-accent);
  font-size: 1.05em;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.4;
  vertical-align: middle;
}

/* Desktop: centered dialog */
@media (min-width: 640px) {
  .pwa-install {
    align-items: center;
    padding: 24px;
  }

  .pwa-install__sheet {
    border-radius: var(--pwa-radius);
    transform: translateY(16px) scale(0.98);
  }

  .pwa-install.is-visible .pwa-install__sheet {
    transform: translateY(0) scale(1);
  }

  .pwa-install__handle {
    display: none;
  }

  /* iOS / macOS: side-by-side actions */
  .pwa-install__actions:not(.pwa-install__actions--chromium) {
    flex-direction: row-reverse;
  }

  .pwa-install__actions:not(.pwa-install__actions--chromium) .pwa-install__btn {
    flex: 1;
  }

  /* Chromium desktop: Don't show again | Not now, Install App below */
  .pwa-install__actions--chromium {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    grid-template-areas:
      "dismiss cancel"
      "install install";
  }

  .pwa-install__actions--chromium #pwa-install-dismiss {
    grid-area: dismiss;
  }

  .pwa-install__actions--chromium #pwa-install-cancel {
    grid-area: cancel;
  }

  .pwa-install__actions--chromium #pwa-install-btn {
    grid-area: install;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .pwa-install,
  .pwa-install__backdrop,
  .pwa-install__sheet {
    transition: none;
  }
}

/* RTL tweaks */
[dir="rtl"] .pwa-install__brand {
  padding-inline-end: 0;
  padding-inline-start: 36px;
}