/* ==========================================================================
   PWA Install Banner
   Premium install prompt for THE SEO ENGINE
   ========================================================================== */

@keyframes cta-pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(47, 128, 237, 0.4); }
  50% { box-shadow: 0 0 20px rgba(47, 128, 237, 0.7); }
}

.pwa-install-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-toast, 100);
  background: rgba(10, 37, 64, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0 0 16px 16px;
  color: var(--text-inverse, #fff);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--duration-normal, 300ms) var(--ease-out, ease-out),
              opacity var(--duration-normal, 300ms) var(--ease-out, ease-out);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  padding-top: env(safe-area-inset-top, 16px);
}

.pwa-install-banner.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.pwa-install-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4, 16px);
  max-width: var(--container-xl, 1280px);
  margin: 0 auto;
  padding: var(--space-4, 16px) var(--space-6, 24px);
}

.pwa-install-banner__content {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
  flex: 1;
  min-width: 0;
}

.pwa-install-banner__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md, 8px);
  flex-shrink: 0;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(47, 128, 237, 0.6));
}

.pwa-install-banner__text {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.9);
}

.pwa-install-banner__text strong {
  font-family: var(--font-display, 'Space Grotesk', sans-serif);
  font-weight: 700;
  color: #fff;
  display: block;
  font-size: 15px;
  margin-bottom: 2px;
}

.pwa-install-banner__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
  flex-shrink: 0;
}

.pwa-install-banner__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-family: var(--font-display, 'Space Grotesk', sans-serif);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #2F80ED, #56CCF2);
  border: none;
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--duration-fast, 150ms) ease,
              box-shadow var(--duration-fast, 150ms) ease;
  animation: cta-pulse 2.5s ease-in-out infinite;
}

.pwa-install-banner__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(47, 128, 237, 0.5);
}

.pwa-install-banner__cta:active {
  transform: translateY(0);
}

.pwa-install-banner__dismiss {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm, 4px);
  transition: color var(--duration-fast, 150ms) ease,
              background var(--duration-fast, 150ms) ease;
  white-space: nowrap;
}

.pwa-install-banner__dismiss:hover {
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.08);
}

/* iOS instructions panel */
.pwa-install-banner__ios {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal, 300ms) var(--ease-out, ease-out),
              padding var(--duration-normal, 300ms) var(--ease-out, ease-out);
  background: rgba(0, 0, 0, 0.15);
}

.pwa-install-banner__ios.is-open {
  max-height: 200px;
  padding: var(--space-4, 16px) var(--space-6, 24px);
}

.pwa-install-banner__ios-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 8px);
}

.pwa-install-banner__ios-steps li {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
}

.pwa-install-banner__ios-steps .step-num {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full, 9999px);
  background: var(--color-electric, #2F80ED);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Dashboard mini banner variant */
.pwa-install-mini {
  display: none;
  align-items: center;
  gap: var(--space-3, 12px);
  padding: var(--space-3, 12px) var(--space-4, 16px);
  background: rgba(10, 37, 64, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg, 12px);
  margin-bottom: var(--space-4, 16px);
  box-shadow: var(--shadow-md);
}

.pwa-install-mini.is-visible {
  display: flex;
}

.pwa-install-mini__text {
  flex: 1;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}

.pwa-install-mini__text strong {
  color: #fff;
  font-weight: 600;
}

.pwa-install-mini__cta {
  padding: 6px 14px;
  font-family: var(--font-display, 'Space Grotesk', sans-serif);
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #2F80ED, #56CCF2);
  border: none;
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--duration-fast, 150ms) ease,
              box-shadow var(--duration-fast, 150ms) ease;
}

.pwa-install-mini__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(47, 128, 237, 0.4);
}

.pwa-install-mini__dismiss {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  font-size: 18px;
}

.pwa-install-mini__dismiss:hover {
  color: rgba(255, 255, 255, 0.7);
}

/* Desktop: never show the install banner */
@media (min-width: 768px) {
  .pwa-install-banner {
    display: none !important;
  }
}

/* Mobile responsive */
@media (max-width: 640px) {
  .pwa-install-banner__inner {
    flex-wrap: wrap;
    padding: var(--space-3, 12px) var(--space-4, 16px);
  }

  .pwa-install-banner__content {
    width: 100%;
  }

  .pwa-install-banner__actions {
    width: 100%;
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-install-banner,
  .pwa-install-banner__ios {
    transition: none;
  }

  .pwa-install-banner__cta {
    animation: none;
  }
}