/* PWA Layout — mobile-first standalone app shell
   Pattern: fixed header + fixed toolbar, scrolling content with padding clearance.
   Matches proven iOS PWA pattern from ai/pwa-layout.html reference.
   Requirements: <meta name="viewport" content="viewport-fit=cover">
                 <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"> */

/* ---- Root ---- */
html:has(.pwa),
html:has(.pwa) body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--color-surface-base);
  color: var(--color-text-primary);
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

/* ---- Fixed Header ---- */
/* Background bleeds UP behind Dynamic Island / status bar.
   padding-top pushes visible content below it. */
.pwa-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: var(--color-brand);
  color: var(--color-brand-text);
  padding-top: env(safe-area-inset-top, 0px);
}

.pwa-header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 var(--space-4);
}

.pwa-header__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-tight);
  margin: 0;
  color: #fff;
}

/* ---- Scrollable Content ---- */
/* Matches ai/pwa-layout.html .scroll-content exactly.
   padding-top clears fixed header, padding-bottom clears fixed toolbar. */
.pwa-content {
  padding-top: calc(env(safe-area-inset-top, 0px) + 44px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  min-height: 100dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.pwa--has-toolbar .pwa-content {
  padding-bottom: calc(50px + env(safe-area-inset-bottom, 0px));
}

/* Styled scrollbar */
.pwa-content::-webkit-scrollbar { width: 4px; }
.pwa-content::-webkit-scrollbar-track { background: transparent; }
.pwa-content::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
.pwa-content::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }
@supports (scrollbar-width: thin) {
  .pwa-content { scrollbar-width: thin; scrollbar-color: var(--color-border) transparent; }
}

/* ---- Fixed Bottom Toolbar ---- */
/* Background bleeds DOWN into home indicator / curved area.
   padding-bottom pushes tap targets above the home indicator. */
.pwa-toolbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: var(--color-brand-subtle);
  border-top: 1px solid var(--color-brand-border, var(--color-border-subtle));
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.pwa-toolbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 50px;
}

.pwa-toolbar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  height: 100%;
  padding: 0;
  color: var(--color-text-tertiary);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--duration-fast) var(--easing-default);
}

.pwa-toolbar__item:hover,
.pwa-toolbar__item:active {
  color: var(--color-brand);
}

.pwa-toolbar__icon .icon {
  width: 22px;
  height: 22px;
}

.pwa-toolbar__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
}

.pwa-toolbar__item--active .pwa-toolbar__icon,
.pwa-toolbar__item--active .pwa-toolbar__label {
  color: var(--color-brand);
}

/* ---- Page wrapper ---- */
.pwa-page {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  max-width: 428px;
  margin: 0 auto;
  padding: var(--space-4) 0;
}

/* ---- Cards ---- */
.pwa-card {
  background: var(--color-control-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: visible;
}

.pwa-card--hero {
  border-top: 3px solid var(--color-brand);
}

.pwa-card__header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.pwa-card__title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0;
}

.pwa-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: var(--space-1) 0 0;
}

.pwa-card__body {
  padding: var(--space-4);
}

.pwa-card__body--centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.pwa-card__empty {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-4) 0;
  margin: 0;
}

.pwa-card__hint {
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
  margin: 0;
}

/* ---- Stats row ---- */
.pwa-stats {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}
.pwa-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-6);
}
.pwa-stat__value {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}
.pwa-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ---- PWA-specific button sizes ---- */
.pwa .btn--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}
.pwa .btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

/* Brand button variant */
.pwa .btn--brand,
.kiosk .btn--brand {
  background: var(--color-brand);
  border-color: var(--color-brand);
  color: var(--color-brand-text);
}
.pwa .btn--brand:hover,
.kiosk .btn--brand:hover {
  background: var(--color-brand-hover);
  border-color: var(--color-brand-hover);
  color: var(--color-brand-text);
}
.pwa .btn--brand:active,
.kiosk .btn--brand:active {
  background: var(--color-brand-active);
  border-color: var(--color-brand-active);
}

/* Danger button variant */
.pwa .btn--danger {
  background: var(--color-destructive-btn);
  border-color: var(--color-destructive-btn);
  color: var(--color-destructive-btn-text);
}
.pwa .btn--danger:hover {
  background: var(--color-destructive-btn-hover);
  border-color: var(--color-destructive-btn-hover);
  color: var(--color-destructive-btn-text);
}
.pwa .btn--danger:active {
  background: var(--color-destructive-btn-active);
  border-color: var(--color-destructive-btn-active);
}

/* ---- Header — inner container positions buttons ---- */
.pwa-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 var(--space-4);
}

.pwa-header__menu-btn {
  position: absolute;
  left: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-brand-text);
  padding: var(--space-1);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.pwa-header__menu-btn .icon {
  width: 24px;
  height: 24px;
}

.pwa-header__refresh-btn {
  position: absolute;
  right: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-brand-text);
  padding: var(--space-1);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.pwa-header__refresh-btn .icon {
  width: 20px;
  height: 20px;
  transition: transform var(--duration-normal) var(--easing-default);
}

.pwa-header__refresh-btn.is-spinning .icon {
  animation: pwa-spin 0.6s ease-in-out;
}
@keyframes pwa-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ---- Hamburger Menu — Drawer + Backdrop ---- */
.pwa-menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--easing-default);
}

.pwa-menu-backdrop[hidden] {
  display: none;
}
.pwa-menu-backdrop.is-visible {
  opacity: 1;
}

.pwa-menu-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: var(--z-modal);
  width: 280px;
  max-width: 80vw;
  background: var(--color-control-bg);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--duration-normal) var(--easing-default);
}

.pwa-menu-drawer.is-open {
  transform: translateX(0);
}

.pwa-menu-drawer__header {
  padding: calc(env(safe-area-inset-top, 0px) + var(--space-6)) var(--space-4)
    var(--space-4);
  background: var(--color-brand);
  color: var(--color-brand-text);
}

.pwa-menu-drawer__name {
  display: block;
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-tight);
}
.pwa-menu-drawer__account {
  display: block;
  font-size: var(--text-sm);
  opacity: 0.8;
  margin-top: var(--space-1);
}

.pwa-menu-drawer__body {
  flex: 1;
  padding: var(--space-2) 0;
  overflow-y: auto;
}

.pwa-menu-drawer__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  transition: background var(--duration-fast) var(--easing-default);
}

.pwa-menu-drawer__link:hover,
.pwa-menu-drawer__link:active {
  background: var(--color-surface-100);
}
.pwa-menu-drawer__link .icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-tertiary);
}
.pwa-menu-drawer__link--danger {
  color: var(--color-destructive);
}
.pwa-menu-drawer__link--danger .icon {
  color: var(--color-destructive);
}

.pwa-menu-drawer__footer {
  border-top: 1px solid var(--color-border-subtle);
  padding: var(--space-2) 0;
  padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom, 0px));
}