:root {
  --ksm-nav-height: 58px;
  --ksm-bottom-height: 60px;
  --ksm-brand: #f58a00;
}

.pwa-topbar-fallback,
.pwa-bottom-bar,
.pwa-quick-access-modal,
.pwa-update-popup {
  display: none;
}

.pwa-topbar-fallback {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  height: var(--ksm-nav-height);
  background: linear-gradient(135deg, #f58a00, #ffac33);
  color: #fff;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
  padding-top: env(safe-area-inset-top);
}

.pwa-topbar-title {
  font-weight: 600;
  font-size: 16px;
}

.pwa-bottom-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--ksm-bottom-height) + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid #e8e8e8;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
  z-index: 1200;
  padding-bottom: env(safe-area-inset-bottom);
  align-items: center;
  justify-content: space-evenly;
}

.pwa-nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #444;
  min-width: 40px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  transition: background-color .2s ease, transform .2s ease;
}

.pwa-nav-item i {
  font-size: 15px;
  color: #f58a00;
}

.pwa-nav-item:hover,
.pwa-nav-item:active {
  background: #f3f4f6;
  transform: translateY(-1px);
}

.pwa-status-badge {
  display: none;
  position: fixed;
  left: 12px;
  bottom: calc(var(--ksm-bottom-height) + env(safe-area-inset-bottom) + 18px);
  background: #1f2937;
  color: #fff;
  font-size: 11px;
  padding: 7px 10px;
  border-radius: 999px;
  z-index: 1300;
  letter-spacing: .2px;
}

.pwa-status-badge.show {
  display: block;
}

.pwa-quick-access-modal {
  position: fixed;
  inset: 0;
  z-index: 1450;
  background: rgba(17, 24, 39, .45);
  align-items: flex-end;
  justify-content: center;
  padding: 12px;
}

.pwa-quick-access-modal.show {
  display: flex;
}

.pwa-quick-access-sheet {
  width: min(560px, 100%);
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, .22);
}

.pwa-quick-access-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-bottom: 1px solid #edf0f4;
}

.pwa-quick-access-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .35px;
  color: #6b7280;
}

.pwa-quick-access-close {
  border: 0;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  color: #111827;
  background: #f3f4f6;
  font-size: 16px;
}

.pwa-quick-access-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
  max-height: min(70vh, 520px);
  overflow-y: auto;
}

.pwa-quick-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #111827;
  min-height: 68px;
  border: 1px solid #edf0f4;
  border-radius: 11px;
  background: #fff;
  gap: 5px;
  padding: 8px 6px;
}

.pwa-quick-card i {
  font-size: 16px;
  color: var(--ksm-brand);
}

.pwa-quick-card span {
  font-size: 11px;
  text-align: center;
  line-height: 1.2;
}

.pwa-quick-card:active,
.pwa-quick-card:hover {
  background: #f9fafb;
}

.pwa-update-popup {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(17, 24, 39, .45);
  align-items: flex-end;
  justify-content: center;
  padding: 14px;
}

.pwa-update-popup.show {
  display: flex;
}

.pwa-update-card {
  width: min(420px, 100%);
  background: #fff;
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .2);
}

.pwa-update-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 5px;
}

.pwa-update-text {
  font-size: 13px;
  color: #4b5563;
  margin-bottom: 12px;
}

.pwa-update-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.pwa-update-btn {
  border: 0;
  border-radius: 9px;
  padding: 8px 11px;
  font-size: 13px;
}

.pwa-update-later {
  background: #eef2f7;
  color: #374151;
}

.pwa-update-now {
  background: linear-gradient(135deg, #f58a00, #ffb347);
  color: #fff;
}

@media (display-mode: standalone), (display-mode: fullscreen) {
  body {
    background: #f3f5f7;
  }

  body.has-navbar nav#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1200;
    padding-top: env(safe-area-inset-top);
  }

  body.has-navbar section.content {
    padding-top: calc(var(--ksm-nav-height) + env(safe-area-inset-top) + 8px);
  }

  body.no-navbar .pwa-topbar-fallback {
    display: flex;
  }

  body.no-navbar section.content {
    padding-top: calc(var(--ksm-nav-height) + env(safe-area-inset-top) + 8px);
  }

  .pwa-bottom-bar {
    display: flex;
  }

  section.content {
    padding-bottom: calc(var(--ksm-bottom-height) + env(safe-area-inset-bottom) + 16px);
  }
}

body.ios-standalone.has-navbar nav#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  padding-top: env(safe-area-inset-top);
}

body.ios-standalone.has-navbar section.content {
  padding-top: calc(var(--ksm-nav-height) + env(safe-area-inset-top) + 8px);
}

body.ios-standalone.no-navbar .pwa-topbar-fallback {
  display: flex;
}

body.ios-standalone.no-navbar section.content {
  padding-top: calc(var(--ksm-nav-height) + env(safe-area-inset-top) + 8px);
}

body.ios-standalone .pwa-bottom-bar {
  display: flex;
}

body.ios-standalone section.content {
  padding-bottom: calc(var(--ksm-bottom-height) + env(safe-area-inset-bottom) + 16px);
}

body.pwa-tablet .pwa-quick-access-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

body.pwa-desktop .pwa-quick-access-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}