/* ===== Trọ Ổn — PWA Install Prompt ===== */

:root {
  --pwa-install-card: #FFFFFF;
  --pwa-install-ink: #16241F;
  --pwa-install-muted: #6B7768;
  --pwa-install-bg: #FAF7F1;
  --pwa-install-primary: #0F5257;
  --pwa-install-primary-tint: #E4EFEE;
  --pwa-install-accent: #E8A33D;
  --pwa-install-line: #E4DDCC;
  --pwa-install-radius-lg: 22px;
  --pwa-install-radius-md: 14px;
  --pwa-install-shadow-lg: 0 24px 70px rgba(22, 36, 31, .18);
}

.pwa-install-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(22, 36, 31, .6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}

.pwa-install-modal--open .pwa-install-overlay {
  opacity: 1;
  visibility: visible;
}

.pwa-install-modal {
  width: min(440px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 32px 28px 26px;
  border-radius: var(--pwa-install-radius-lg);
  border: 1px solid var(--pwa-install-line);
  background: var(--pwa-install-card);
  color: var(--pwa-install-ink);
  box-shadow: var(--pwa-install-shadow-lg);
  transform: translateY(20px) scale(.97);
  transition: transform .3s ease;
}

.pwa-install-modal--open .pwa-install-modal {
  transform: translateY(0) scale(1);
}

.pwa-install-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--pwa-install-line);
  border-radius: 50%;
  background: var(--pwa-install-card);
  color: var(--pwa-install-muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background .15s ease, color .15s ease;
}

.pwa-install-close:hover {
  background: var(--pwa-install-primary-tint);
  color: var(--pwa-install-ink);
}

.pwa-install-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 18px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--pwa-install-primary-tint);
  color: var(--pwa-install-primary);
}

.pwa-install-icon svg {
  width: 32px;
  height: 32px;
}

.pwa-install-kicker {
  margin: 0 0 8px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pwa-install-accent);
}

.pwa-install-title {
  margin: 0;
  text-align: center;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 24px;
  line-height: 1.18;
  color: var(--pwa-install-ink);
}

.pwa-install-copy {
  margin: 12px auto 22px;
  max-width: 340px;
  text-align: center;
  color: var(--pwa-install-muted);
  font-size: 14.5px;
  line-height: 1.55;
}

.pwa-install-steps {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.pwa-install-steps li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--pwa-install-line);
  border-radius: var(--pwa-install-radius-md);
  background: var(--pwa-install-bg);
  color: var(--pwa-install-ink);
  font-size: 14px;
  line-height: 1.45;
}

.pwa-install-step-index {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--pwa-install-primary);
  color: var(--pwa-install-card);
  font-size: 12px;
  font-weight: 700;
}

.pwa-install-actions {
  display: grid;
  gap: 10px;
}

.pwa-install-primary,
.pwa-install-secondary {
  width: 100%;
  min-height: 44px;
  border-radius: 999px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.pwa-install-primary {
  border: 0;
  background: var(--pwa-install-accent);
  color: var(--pwa-install-ink);
  box-shadow: 0 8px 22px rgba(232, 163, 61, .24);
}

.pwa-install-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(232, 163, 61, .32);
}

.pwa-install-secondary {
  border: 1px solid var(--pwa-install-line);
  background: transparent;
  color: var(--pwa-install-muted);
}

.pwa-install-secondary:hover {
  background: var(--pwa-install-primary-tint);
  color: var(--pwa-install-ink);
}

[data-pwa-panel][hidden] {
  display: none;
}

@media (max-width: 600px) {
  .pwa-install-overlay {
    padding: 12px;
    align-items: flex-end;
  }

  .pwa-install-modal {
    width: 100%;
    max-height: 92vh;
    padding: 28px 20px 24px;
    border-radius: var(--pwa-install-radius-lg) var(--pwa-install-radius-lg) 0 0;
  }

  .pwa-install-title {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-install-overlay,
  .pwa-install-modal,
  .pwa-install-close,
  .pwa-install-primary,
  .pwa-install-secondary {
    transition: none;
  }
}