/* PWA install modals + install.html helpers */

.pwa-install-modal {
  position: fixed;
  inset: 0;
  z-index: 2300;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}

.pwa-install-modal[hidden] {
  display: none !important;
}

.pwa-install-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 1, 17, 0.88);
  border: none;
  padding: 0;
  cursor: pointer;
}

.pwa-install-modal__sheet {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 480px;
  max-height: 92vh;
  background: rgba(20, 15, 50, 0.98);
  border: 1px solid rgba(200, 180, 255, 0.35);
  border-bottom: none;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -8px 48px rgba(80, 40, 140, 0.45);
  animation: pwaInstallSheetIn 0.28s ease-out;
  outline: none;
}

.pwa-install-modal__handle {
  flex-shrink: 0;
  width: 40px;
  height: 4px;
  margin: 10px auto 0;
  border-radius: 999px;
  background: rgba(200, 180, 255, 0.35);
}

.pwa-install-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px 10px;
  flex-shrink: 0;
}

.pwa-install-modal__title {
  margin: 0;
  font-size: clamp(1rem, 3.8vw, 1.2rem);
  line-height: 1.35;
  color: #f0e8ff;
  font-weight: 600;
}

.pwa-install-modal__close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin: -4px -4px 0 0;
  padding: 0;
  border: 1px solid rgba(200, 180, 255, 0.35);
  border-radius: 999px;
  background: rgba(48, 34, 88, 0.55);
  color: #e8dcff;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.pwa-install-modal__close:hover,
.pwa-install-modal__close:focus-visible {
  background: rgba(72, 52, 120, 0.75);
  border-color: rgba(220, 200, 255, 0.5);
  outline: none;
}

.pwa-install-modal__body {
  overflow: auto;
  min-height: 0;
  flex: 1;
  padding: 4px 18px 12px;
  -webkit-overflow-scrolling: touch;
  color: #e0d7ff;
}

.pwa-install-modal__footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  flex-shrink: 0;
}

.pwa-install-modal__text {
  margin: 0 0 0.75rem;
  line-height: 1.5;
  font-size: 0.98rem;
}

.pwa-install-modal__hint {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.45;
  color: rgba(224, 215, 255, 0.78);
}

.pwa-install-modal__hint a {
  color: #cbb8ff;
}

.pwa-install-steps {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  line-height: 1.5;
  font-size: 0.95rem;
}

.pwa-install-steps li + li {
  margin-top: 0.45rem;
}

.pwa-install-figure {
  margin: 0;
  text-align: center;
}

.pwa-install-figure__img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 0 auto;
  border-radius: 12px;
  border: 1px solid rgba(200, 180, 255, 0.25);
  background: rgba(10, 8, 30, 0.6);
}

.pwa-install-desktop-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin: 0 0 1rem;
  color: #cbb8ff;
}

.pwa-install-desktop-hint__caption {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: rgba(224, 215, 255, 0.7);
}

.pwa-install-modal__btn {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(200, 180, 255, 0.35);
  background: rgba(48, 34, 88, 0.55);
  color: #f0e8ff;
  font-size: 0.98rem;
  font-weight: 550;
  cursor: pointer;
  text-align: center;
}

.pwa-install-modal__btn--primary {
  background: linear-gradient(135deg, #6b4fd8 0%, #8b5cf6 100%);
  border-color: rgba(180, 160, 255, 0.5);
}

.pwa-install-modal__btn:hover,
.pwa-install-modal__btn:focus-visible {
  filter: brightness(1.08);
  outline: none;
}

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

@keyframes pwaInstallSheetIn {
  from {
    transform: translateY(24px);
    opacity: 0.6;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (min-width: 640px) {
  .pwa-install-modal {
    align-items: center;
    padding: 24px;
  }

  .pwa-install-modal__sheet {
    border-radius: 20px;
    border-bottom: 1px solid rgba(200, 180, 255, 0.35);
    max-height: min(88vh, 640px);
    animation: pwaInstallPanelIn 0.22s ease-out;
  }

  .pwa-install-modal__handle {
    display: none;
  }
}

@keyframes pwaInstallPanelIn {
  from {
    transform: translateY(12px) scale(0.98);
    opacity: 0.7;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

[data-theme="light"] .pwa-install-modal__backdrop {
  background: rgba(20, 16, 40, 0.55);
}

[data-theme="light"] .pwa-install-modal__sheet {
  background: #f7f4ff;
  border-color: rgba(90, 60, 160, 0.22);
  box-shadow: 0 -8px 40px rgba(40, 20, 80, 0.18);
}

[data-theme="light"] .pwa-install-modal__title,
[data-theme="light"] .pwa-install-modal__body,
[data-theme="light"] .pwa-install-modal__close {
  color: #2a2048;
}

[data-theme="light"] .pwa-install-modal__hint {
  color: rgba(42, 32, 72, 0.72);
}

[data-theme="light"] .pwa-install-modal__hint a {
  color: #5b3fb8;
}

[data-theme="light"] .pwa-install-modal__close,
[data-theme="light"] .pwa-install-modal__btn {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(90, 60, 160, 0.25);
  color: #2a2048;
}

[data-theme="light"] .pwa-install-modal__btn--primary {
  background: linear-gradient(135deg, #6b4fd8 0%, #8b5cf6 100%);
  border-color: transparent;
  color: #fff;
}

[data-theme="light"] .pwa-install-figure__img {
  background: #fff;
  border-color: rgba(90, 60, 160, 0.18);
}

/* install.html page */
.pwa-install-page .pwa-install-section {
  margin-top: 1.25rem;
}

.pwa-install-page .pwa-install-section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.pwa-install-page .pwa-install-section p,
.pwa-install-page .pwa-install-section li {
  line-height: 1.55;
  color: var(--text-primary);
}

.pwa-install-page .pwa-install-section strong {
  color: var(--text-primary);
}

.pwa-install-page .hint {
  color: var(--text-muted);
}

.pwa-install-page .pwa-install-callout {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(139, 92, 246, 0.5);
  background: rgba(139, 92, 246, 0.16);
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.45;
  font-weight: 500;
}

.pwa-install-page .pwa-install-callout--active {
  border-color: rgba(196, 168, 130, 0.65);
  background: rgba(196, 168, 130, 0.18);
}

.pwa-install-page .pwa-install-callout[hidden] {
  display: none !important;
}

[data-theme="light"] .pwa-install-page .pwa-install-callout {
  border-color: rgba(139, 94, 60, 0.4);
  background: rgba(139, 94, 60, 0.1);
}

[data-theme="light"] .pwa-install-page .pwa-install-callout--active {
  border-color: rgba(139, 94, 60, 0.55);
  background: rgba(139, 94, 60, 0.14);
}

.pwa-install-page .pwa-install-section ol {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

.pwa-install-page .pwa-install-cta {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pwa-install-page .pwa-install-cta .btn,
.pwa-install-page .pwa-install-cta button {
  margin: 0;
}

/* Install chip — toast zone (same on mobile & desktop): above bottom-nav when present */
.pwa-install-chip {
  position: fixed;
  left: 50%;
  right: auto;
  top: auto;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 1050;
  display: flex;
  align-items: center;
  gap: 2px;
  width: max-content;
  max-width: calc(100vw - 32px);
  margin: 0;
  padding: 5px;
  border-radius: 999px;
  background: linear-gradient(225deg, rgba(42, 28, 88, 0.97) 0%, rgba(24, 16, 52, 0.98) 100%);
  border: 1px solid rgba(180, 150, 255, 0.55);
  box-shadow:
    0 0 0 1px rgba(120, 80, 220, 0.12),
    0 10px 28px rgba(40, 10, 90, 0.4),
    0 0 24px rgba(120, 80, 255, 0.18);
  opacity: 0;
  transform: translate(-50%, 14px);
  transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

.pwa-install-chip--visible {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

/* Same band as referral-reward-toast: above bottom-nav + gap */
body.has-bottom-nav .pwa-install-chip {
  bottom: calc(76px + env(safe-area-inset-bottom, 0px));
}

.pwa-install-chip::before {
  display: none;
}

.pwa-install-chip__action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 10px 12px 10px 14px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #6b4fd8 0%, #8b5cf6 55%, #5b7cfa 100%);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(90, 60, 200, 0.35);
  transition: filter 0.15s ease, transform 0.15s ease;
}

.pwa-install-chip__action:hover,
.pwa-install-chip__action:focus-visible {
  filter: brightness(1.08);
  outline: none;
}

.pwa-install-chip__action:active {
  transform: scale(0.98);
}

.pwa-install-chip__icon {
  display: inline-flex;
  flex-shrink: 0;
  opacity: 0.95;
}

.pwa-install-chip__label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pwa-install-chip__dismiss {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  margin: 0 0 0 2px;
  padding: 0;
  border: 1px solid rgba(200, 180, 255, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(232, 220, 255, 0.85);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.pwa-install-chip__dismiss:hover,
.pwa-install-chip__dismiss:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  outline: none;
}

[data-theme="light"] .pwa-install-chip {
  background: linear-gradient(225deg, #ffffff 0%, #f4efff 100%);
  border-color: rgba(110, 70, 190, 0.35);
  box-shadow:
    0 0 0 1px rgba(120, 80, 200, 0.08),
    0 12px 28px rgba(60, 30, 120, 0.16);
}

[data-theme="light"] .pwa-install-chip__action {
  color: #fff;
}

[data-theme="light"] .pwa-install-chip__dismiss {
  background: rgba(90, 60, 160, 0.06);
  border-color: rgba(90, 60, 160, 0.2);
  color: #4a3868;
}

[data-theme="light"] .pwa-install-chip__dismiss:hover,
[data-theme="light"] .pwa-install-chip__dismiss:focus-visible {
  background: rgba(90, 60, 160, 0.12);
  color: #2a2048;
}

@media (prefers-reduced-motion: reduce) {
  .pwa-install-modal__sheet {
    animation: none;
  }

  .pwa-install-chip {
    transition: opacity 0.2s ease;
    transform: translate(-50%, 0);
  }

  .pwa-install-chip:not(.pwa-install-chip--visible) {
    opacity: 0;
  }

  .pwa-install-chip__action:active {
    transform: none;
  }
}