:root {
  --yuva-saffron: #FF9933;
  --yuva-white: #FFFFFF;
  --yuva-green: #138808;
  --yuva-navy: #000080;
  --yuva-ink: #081120;
  --yuva-muted: #516173;
  --yuva-surface: rgba(255, 255, 255, 0.92);
  --yuva-surface-strong: rgba(255, 255, 255, 0.98);
  --yuva-border: rgba(0, 0, 128, 0.14);
  --yuva-shadow: 0 18px 48px rgba(6, 10, 20, 0.2);
}

html.yuva-pwa-locked,
body.yuva-pwa-locked {
  overflow: hidden !important;
}

.yuva-pwa-shell,
.yuva-pwa-update-blocker {
  position: fixed;
  inset: 0;
  z-index: 99999;
}

.yuva-pwa-shell {
  pointer-events: none;
}

.yuva-pwa-update-blocker {
  display: grid;
  place-items: center;
  padding: 20px;
  background:
    radial-gradient(circle at top left, rgba(255, 153, 51, 0.22), transparent 34%),
    radial-gradient(circle at bottom right, rgba(19, 136, 8, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(8, 17, 32, 0.92), rgba(8, 17, 32, 0.86));
  backdrop-filter: blur(12px);
  color: var(--yuva-white);
  pointer-events: all;
}

.yuva-pwa-panel {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: min(92vw, 360px);
  background: var(--yuva-surface);
  border: 1px solid var(--yuva-border);
  border-radius: 24px;
  box-shadow: var(--yuva-shadow);
  overflow: hidden;
  transform: translateY(16px) scale(0.98);
  opacity: 0;
  pointer-events: none;
  transition: transform 180ms ease, opacity 180ms ease;
  z-index: 99998;
}

.yuva-pwa-panel.is-open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.yuva-pwa-panel__header,
.yuva-pwa-banner {
  background: linear-gradient(135deg, rgba(255, 153, 51, 0.12), rgba(0, 0, 128, 0.08) 55%, rgba(19, 136, 8, 0.1));
}

.yuva-pwa-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 14px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.yuva-pwa-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.yuva-pwa-brand__logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
  flex-shrink: 0;
}

.yuva-pwa-brand__copy {
  min-width: 0;
}

.yuva-pwa-title,
.yuva-pwa-update-title {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--yuva-ink);
}

.yuva-pwa-title {
  font-size: 0.98rem;
}

.yuva-pwa-subtitle,
.yuva-pwa-update-copy,
.yuva-pwa-meta {
  color: var(--yuva-muted);
}

.yuva-pwa-subtitle {
  margin: 2px 0 0;
  font-size: 0.84rem;
}

.yuva-pwa-panel__body {
  padding: 14px 16px 16px;
}

.yuva-pwa-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.yuva-pwa-btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 11px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.yuva-pwa-btn:hover {
  transform: translateY(-1px);
}

.yuva-pwa-btn:active {
  transform: translateY(0);
}

.yuva-pwa-btn--primary {
  background: linear-gradient(135deg, var(--yuva-navy), #0A2A66);
  color: var(--yuva-white);
  box-shadow: 0 10px 22px rgba(0, 0, 128, 0.22);
}

.yuva-pwa-btn--secondary {
  background: rgba(0, 0, 128, 0.08);
  color: var(--yuva-navy);
}

.yuva-pwa-btn--saffron {
  background: linear-gradient(135deg, var(--yuva-saffron), #E67300);
  color: var(--yuva-white);
}

.yuva-pwa-notifications {
  max-height: 280px;
  overflow: auto;
  display: grid;
  gap: 10px;
}

.yuva-pwa-notification {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 18px;
  padding: 12px 12px 11px;
  background: var(--yuva-surface-strong);
}

.yuva-pwa-notification--info {
  border-left: 4px solid var(--yuva-navy);
}

.yuva-pwa-notification--success {
  border-left: 4px solid var(--yuva-green);
}

.yuva-pwa-notification--warning {
  border-left: 4px solid var(--yuva-saffron);
}

.yuva-pwa-notification__title {
  margin: 0 0 4px;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--yuva-ink);
}

.yuva-pwa-notification__message {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--yuva-muted);
}

.yuva-pwa-fab {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--yuva-saffron), var(--yuva-navy) 52%, var(--yuva-green));
  color: var(--yuva-white);
  box-shadow: var(--yuva-shadow);
  display: grid;
  place-items: center;
  cursor: pointer;
  pointer-events: auto;
  z-index: 99997;
}

.yuva-pwa-fab svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.yuva-pwa-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #EF4444;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  display: grid;
  place-items: center;
  border: 2px solid #fff;
}

.yuva-pwa-banner {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--yuva-ink);
}

.yuva-pwa-banner p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.4;
}

.yuva-pwa-banner__actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.yuva-pwa-update-blocker.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.yuva-pwa-update-card {
  width: min(94vw, 420px);
  background: var(--yuva-surface-strong);
  color: var(--yuva-ink);
  border-radius: 28px;
  box-shadow: var(--yuva-shadow);
  border: 1px solid rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.yuva-pwa-update-loader {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin: 18px auto 0;
  border: 4px solid rgba(0, 0, 128, 0.12);
  border-top-color: var(--yuva-navy);
  animation: yuva-pwa-spin 1s linear infinite;
}

.yuva-pwa-update-foot {
  padding: 16px 24px 22px;
}

.yuva-pwa-update-foot p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--yuva-muted);
  text-align: center;
}

.yuva-pwa-update-card {
  padding: 26px 24px;
}

.yuva-pwa-update-card .yuva-pwa-update-copy {
  margin: 8px 0 0;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.55;
}

.yuva-pwa-update-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 18px;
}

@keyframes yuva-pwa-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 640px) {
  .yuva-pwa-panel {
    right: 12px;
    left: 12px;
    width: auto;
    bottom: 12px;
  }

  .yuva-pwa-fab {
    right: 12px;
    bottom: 12px;
  }

  .yuva-pwa-banner {
    align-items: flex-start;
    flex-direction: column;
  }

  .yuva-pwa-banner__actions {
    width: 100%;
  }

  .yuva-pwa-banner__actions .yuva-pwa-btn {
    flex: 1;
  }
}