.rsvp-reader {
  --rsvp-bg: #ffffff;
  --rsvp-surface: #f7f8fb;
  --rsvp-border: #d9dfeb;
  --rsvp-text: #101828;
  --rsvp-muted: #667085;
  --rsvp-status: #344054;
  --rsvp-button-bg: #eef2f7;
  --rsvp-button-text: #101828;
  --rsvp-button-hover: #e4e9f2;
  --rsvp-pivot: #c62828;
  --rsvp-anchor: rgba(198, 40, 40, 0.3);
  --rsvp-shadow: 0 8px 24px rgba(16, 24, 40, 0.08);
  max-width: 960px;
  border: 1px solid var(--rsvp-border);
  border-radius: 16px;
  padding: 1.25rem;
  background: var(--rsvp-bg);
  color: var(--rsvp-text);
  box-shadow: var(--rsvp-shadow);
}

.rsvp-reader[data-theme="dark"] {
  --rsvp-bg: #10131a;
  --rsvp-surface: #151a22;
  --rsvp-border: #2a3342;
  --rsvp-text: #f5f7fb;
  --rsvp-muted: #a5afc0;
  --rsvp-status: #d2d8e3;
  --rsvp-button-bg: #1a2230;
  --rsvp-button-text: #f5f7fb;
  --rsvp-button-hover: #243041;
  --rsvp-pivot: #ff6b6b;
  --rsvp-anchor: rgba(255, 107, 107, 0.35);
  --rsvp-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}

.rsvp-reader__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.rsvp-reader__header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.rsvp-reader__title {
  margin: 0;
  font-size: 1.25rem;
}

.rsvp-reader__theme-toggle,
.rsvp-reader__controls button,
.rsvp-reader__source-link {
  border: 1px solid var(--rsvp-border);
  background: var(--rsvp-button-bg);
  color: var(--rsvp-button-text);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.rsvp-reader__theme-toggle:hover,
.rsvp-reader__controls button:hover,
.rsvp-reader__source-link:hover {
  background: var(--rsvp-button-hover);
}

.rsvp-reader__viewer-wrap {
  position: relative;
  min-height: 220px;
  border: 1px solid var(--rsvp-border);
  border-radius: 14px;
  background: var(--rsvp-surface);
  display: grid;
  place-items: center;
  padding: 1rem;
  margin-bottom: 1rem;
  overflow: hidden;
}

.rsvp-reader__anchor {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 0;
  z-index: 1;
}

.rsvp-reader__anchor-mark {
  position: absolute;
  left: -1px;
  top: 18%;
  bottom: 18%;
  width: 2px;
  background: var(--rsvp-anchor);
  border-radius: 2px;
}

.rsvp-reader__viewer {
  position: relative;
  z-index: 2;
  width: 100%;
  text-align: center;
  font-size: clamp(2rem, 5vw, 4.75rem);
  font-weight: 700;
  line-height: 1.1;
  word-break: break-word;
}

.rsvp-reader__word-shell {
  display: inline-grid;
  grid-template-columns: auto auto auto;
  align-items: baseline;
}

.rsvp-reader__left { text-align: right; }
.rsvp-reader__pivot { color: var(--rsvp-pivot); text-align: center; }
.rsvp-reader__pivot--bold { font-weight: 900; }
.rsvp-reader__pivot--plain { color: inherit; }
.rsvp-reader__right { text-align: left; }
.rsvp-reader__gap { display: inline-block; width: 0.35em; }
.rsvp-reader__paragraph { color: var(--rsvp-muted); font-size: 0.8em; }

.rsvp-reader__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.rsvp-reader__status-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.rsvp-reader__status { color: var(--rsvp-status); }
.rsvp-reader__source,
.rsvp-reader__help { color: var(--rsvp-muted); }

.rsvp-reader__progress-wrap { margin-bottom: 0.75rem; }
.rsvp-reader__progress { width: 100%; accent-color: var(--rsvp-pivot); }

@media (prefers-reduced-motion: reduce) {
  .rsvp-reader * { transition: none !important; }
}

@media (max-width: 640px) {
  .rsvp-reader__header { align-items: stretch; flex-direction: column; }
  .rsvp-reader__theme-toggle, .rsvp-reader__source-link { width: 100%; }
  .rsvp-reader__controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rsvp-reader__controls button { width: 100%; }
  .rsvp-reader__viewer-wrap { min-height: 160px; }
  .rsvp-reader__status-row { flex-direction: column; }
}


.rsvp-reader:fullscreen,
.rsvp-reader:-webkit-full-screen {
  max-width: none;
  width: 100vw;
  height: 100vh;
  margin: 0;
  border-radius: 0;
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.rsvp-reader:fullscreen .rsvp-reader__viewer-wrap,
.rsvp-reader:-webkit-full-screen .rsvp-reader__viewer-wrap {
  flex: 1 1 auto;
  min-height: 0;
}


.material-symbols-sharp { font-size: 22px; line-height: 1; }
.rsvp-reader__controls button, .rsvp-reader__theme-toggle { min-width: 44px; min-height: 44px; padding: 0.6rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }


.rsvp-reader__title { color: var(--rsvp-text); }
.rsvp-reader__source-link { width: 44px; min-width: 44px; min-height: 44px; padding: 0.6rem; }
.rsvp-reader__source-link .material-symbols-sharp { font-size: 22px; }

/* ── Prepend / Append slots ──────────────────────────────────────────────── */
.rsvp-reader__prepend,
.rsvp-reader__append {
  padding: 0.75rem 1rem;
  background: var(--rsvp-surface);
  border: 1px solid var(--rsvp-border);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--rsvp-muted);
  margin-bottom: 1rem;
}
.rsvp-reader__append { margin-bottom: 0; margin-top: 1rem; }
.rsvp-reader__prepend a,
.rsvp-reader__append a { color: inherit; text-decoration: underline; }

/* ── Meta trigger ────────────────────────────────────────────────────────── */
.rsvp-meta-trigger { display: inline-flex; align-items: center; }

.rsvp-meta-trigger__link,
.rsvp-meta-trigger__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--rsvp-muted, #667085);
  text-decoration: none;
  border: 1px solid var(--rsvp-border, #d9dfeb);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  background: transparent;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.rsvp-meta-trigger__link:hover,
.rsvp-meta-trigger__btn:hover {
  color: var(--rsvp-text, #344054);
  border-color: #98a2b3;
  background: var(--rsvp-surface, #f2f4f7);
}
.rsvp-meta-trigger__icon { flex-shrink: 0; }