/* THC PWA — plugin-owned UI (banner, install pill, offline button, offline panel).
 * Uses the live theme palette tokens with literal fallbacks. Scoped to .thc-pwa-* only. */

:root {
  --thc-pwa-canvas: var(--wp--preset--color--canvas, #F7F1E4);
  --thc-pwa-raised: var(--wp--preset--color--raised-surface, #FCF8EF);
  --thc-pwa-muted: var(--wp--preset--color--muted-surface, #ECE4D9);
  --thc-pwa-border: var(--wp--preset--color--border-divider, #D9D0BC);
  --thc-pwa-text: var(--wp--preset--color--primary-text, #332D25);
  --thc-pwa-leaf: var(--wp--preset--color--leaf-accent, #5E7D53);
  --thc-pwa-deep: var(--wp--preset--color--deep-leaf-accent, #3F5C3B);
  --thc-pwa-sage: var(--wp--preset--color--soft-sage-accent, #A8B79A);
  --thc-pwa-font: var(--wp--preset--font-family--fira-sans, "THC Fira Sans", "Segoe UI", Arial, sans-serif);
  --thc-pwa-z: 99990;
}

/* ---- offline banner ---- */
.thc-pwa-banner {
  position: fixed; inset: 0 0 auto 0; z-index: var(--thc-pwa-z);
  padding: 0.6rem 1rem; text-align: center;
  background: var(--thc-pwa-deep); color: #fff;
  font: 500 0.9375rem/1.4 var(--thc-pwa-font);
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.thc-pwa-banner[hidden] { display: none; }
html.thc-pwa-offline body { padding-top: 2.6rem; }

/* ---- install pill ---- */
.thc-pwa-pill {
  /* right offset clears the AccessiYes widget button that sits in the bottom-right corner */
  position: fixed; right: 5rem; bottom: 1rem; z-index: var(--thc-pwa-z);
  display: inline-flex; align-items: center; gap: 0.25rem;
  background: var(--thc-pwa-raised); color: var(--thc-pwa-text);
  border: 1px solid var(--thc-pwa-border); border-radius: 999px;
  box-shadow: 0 6px 20px rgba(51,45,37,.18);
  font-family: var(--thc-pwa-font);
}
.thc-pwa-pill__btn, .thc-pwa-pill__close {
  appearance: none; background: none; border: 0; cursor: pointer; color: inherit; font: inherit;
}
.thc-pwa-pill__btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 0.4rem 0.6rem 0.9rem; font-weight: 600; font-size: 0.9375rem; color: var(--thc-pwa-deep);
}
.thc-pwa-pill__close { padding: 0.5rem 0.75rem 0.5rem 0.25rem; font-size: 1.25rem; line-height: 1; color: var(--thc-pwa-text); opacity: .7; }
.thc-pwa-pill__close:hover, .thc-pwa-pill__close:focus-visible { opacity: 1; }

/* ---- offline access button (course pages + dashboard, logged-in) ---- */
.thc-pwa-fab {
  position: fixed; left: 1rem; bottom: 1rem; z-index: var(--thc-pwa-z);
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1rem; border-radius: 999px; border: 1px solid var(--thc-pwa-deep);
  background: var(--thc-pwa-deep); color: #fff; cursor: pointer;
  font: 600 0.9375rem/1 var(--thc-pwa-font);
  box-shadow: 0 6px 20px rgba(51,45,37,.22);
}
.thc-pwa-fab:hover, .thc-pwa-fab:focus-visible { background: var(--thc-pwa-leaf); border-color: var(--thc-pwa-leaf); }
.thc-pwa-fab:focus-visible, .thc-pwa-btn:focus-visible, .thc-pwa-pill__btn:focus-visible, .thc-pwa-panel__close:focus-visible {
  outline: 3px solid var(--thc-pwa-sage); outline-offset: 2px;
}

/* ---- panel ---- */
.thc-pwa-overlay {
  position: fixed; inset: 0; z-index: calc(var(--thc-pwa-z) + 1);
  background: rgba(51,45,37,.45);
  display: flex; align-items: flex-end; justify-content: center;
  padding: 0; overscroll-behavior: contain;
}
.thc-pwa-panel {
  width: 100%; max-width: 40rem; max-height: min(88vh, 44rem);
  display: flex; flex-direction: column;
  background: var(--thc-pwa-canvas); color: var(--thc-pwa-text);
  border: 1px solid var(--thc-pwa-border); border-bottom: 0;
  border-radius: 1rem 1rem 0 0; box-shadow: 0 -8px 32px rgba(0,0,0,.25);
  font-family: var(--thc-pwa-font);
}
@media (min-width: 720px) {
  .thc-pwa-overlay { align-items: center; padding: 1.5rem; }
  .thc-pwa-panel { border-radius: 1rem; border-bottom: 1px solid var(--thc-pwa-border); }
}
.thc-pwa-panel__head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.25rem 0.5rem;
}
.thc-pwa-panel__head h2 { margin: 0; font-size: 1.25rem; line-height: 1.2; font-family: inherit; }
.thc-pwa-panel__close {
  appearance: none; background: none; border: 0; cursor: pointer; color: inherit;
  font-size: 1.75rem; line-height: 1; padding: 0.25rem 0.5rem; opacity: .75;
}
.thc-pwa-panel__close:hover { opacity: 1; }
.thc-pwa-panel__lead { margin: 0; padding: 0 1.25rem 0.75rem; font-size: 0.9375rem; line-height: 1.5; color: var(--thc-pwa-text); }
.thc-pwa-panel__body { overflow: auto; padding: 0 1.25rem 0.5rem; }
.thc-pwa-panel__foot { padding: 0.5rem 1.25rem 1rem; font-size: 0.8125rem; color: var(--thc-pwa-text); opacity: .8; border-top: 1px solid var(--thc-pwa-border); }

.thc-pwa-course { margin: 0.75rem 0 0.25rem; font-size: 1rem; font-family: inherit; }
.thc-pwa-course a { color: var(--thc-pwa-deep); }
.thc-pwa-row {
  display: grid; grid-template-columns: 1fr; gap: 0.25rem 1rem;
  padding: 0.75rem 0; border-top: 1px solid var(--thc-pwa-border);
}
.thc-pwa-row--all { border-top: 1px dashed var(--thc-pwa-border); justify-items: start; }
.thc-pwa-row__title { font-weight: 600; font-size: 0.9375rem; }
.thc-pwa-row__meta { font-size: 0.8125rem; opacity: .8; }
.thc-pwa-row__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: 0.25rem; }
.thc-pwa-status { font-size: 0.8125rem; padding: 0.15rem 0.5rem; border-radius: 999px; background: var(--thc-pwa-muted); }
.thc-pwa-status--ok { background: var(--thc-pwa-sage); color: var(--thc-pwa-text); }
.thc-pwa-btn {
  appearance: none; cursor: pointer; border-radius: 999px;
  padding: 0.4rem 0.9rem; font: 600 0.875rem/1.2 var(--thc-pwa-font);
  background: var(--thc-pwa-deep); color: #fff; border: 1px solid var(--thc-pwa-deep);
}
.thc-pwa-btn:hover { background: var(--thc-pwa-leaf); border-color: var(--thc-pwa-leaf); }
.thc-pwa-btn--ghost { background: transparent; color: var(--thc-pwa-deep); }
.thc-pwa-btn--ghost:hover { background: var(--thc-pwa-muted); color: var(--thc-pwa-deep); }
.thc-pwa-muted { font-size: 0.9375rem; opacity: .85; margin: 0.75rem 0; }
.thc-pwa-flash { grid-column: 1 / -1; font-size: 0.8125rem; color: var(--thc-pwa-deep); background: var(--thc-pwa-muted); padding: 0.4rem 0.6rem; border-radius: 0.5rem; }

@media (prefers-reduced-motion: no-preference) {
  .thc-pwa-panel { animation: thc-pwa-rise .18s ease-out; }
  @keyframes thc-pwa-rise { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }
}
@media print { .thc-pwa-banner, .thc-pwa-pill, .thc-pwa-fab, .thc-pwa-overlay { display: none !important; } }

/* ---- iOS install tip (Safari has no install prompt) ---- */
.thc-pwa-pill--ios { max-width: min(92vw, 26rem); }
.thc-pwa-pill__text {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 0.25rem 0.6rem 0.9rem; font-size: 0.875rem; line-height: 1.3; color: var(--thc-pwa-text);
}
.thc-pwa-pill__text svg { flex: 0 0 auto; color: var(--thc-pwa-deep); }
.thc-pwa-pill__text strong { color: var(--thc-pwa-deep); }
@supports (padding: env(safe-area-inset-bottom)) {
  .thc-pwa-pill, .thc-pwa-fab { bottom: calc(1rem + env(safe-area-inset-bottom)); }
}