:root {
  --cream: #FAF3E7;
  --surface: #FFFBF4;
  --ink: #241E32;
  --muted: #756D7F;
  --primary: #7C6FC4;
  --primary-strong: #6656B0;
  --primary-soft: #E6E1F7;
  --success: #1E8E5A;
  --border: #E7DFCF;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  font-family: -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  background: var(--cream);
  color: var(--ink);
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border-radius: 28px;
  padding: 28px 24px;
  box-shadow: 0 12px 40px rgba(36, 30, 50, 0.10);
}

.brand {
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--primary-strong);
  margin-bottom: 16px;
  font-size: 15px;
  text-transform: uppercase;
}

.state.hidden { display: none; }

.hero { text-align: center; margin-bottom: 18px; }
.emoji { font-size: 46px; display: block; margin-bottom: 6px; }
h1 { font-size: 22px; margin: 0; font-weight: 900; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 0 0 8px; font-weight: 800; }

.facts {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  border-top: 1px solid var(--border);
}
.facts li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.facts .label { color: var(--muted); font-weight: 700; }

.actions { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.btn {
  display: block;
  text-align: center;
  padding: 13px 16px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
  border: 1.5px solid transparent;
}
.btn.primary { background: var(--primary); color: white; }
.btn.secondary { background: transparent; color: var(--primary-strong); border-color: var(--primary-soft); }

.rsvp, .availability {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: 6px;
}
.hint { font-size: 12.5px; color: var(--muted); line-height: 1.4; margin: 0 0 12px; }

.rsvp-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.rsvp-btn {
  flex: 1 1 auto;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1.5px solid var(--primary-soft);
  background: white;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  color: var(--ink);
}
.rsvp-btn[aria-pressed="true"] {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.rsvp-confirmation {
  margin-top: 10px;
  font-size: 13px;
  color: var(--success);
  font-weight: 700;
}
.rsvp-confirmation.hidden { display: none; }

.rsvp-retry {
  margin-top: 8px;
  padding: 8px 14px;
  font-size: 12.5px;
  width: auto;
  display: inline-block;
}
.rsvp-retry.hidden { display: none; }

.rsvp-manual {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--primary-soft);
}
.rsvp-manual.hidden { display: none; }
.rsvp-manual-text {
  margin: 0;
  font-size: 12.5px;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink);
}

.footer {
  margin-top: 22px;
  text-align: center;
  font-size: 11px;
  color: var(--muted);
}

@media (prefers-color-scheme: dark) {
  body { background: #1B1723; color: #F2EEF9; }
  .card { background: #241E32; box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
  .rsvp-btn { background: #2E2740; color: #F2EEF9; }
  .btn.secondary { color: #C9BFEE; }
}