#realtime-lottery-app {
  --rt-ink: #172b4d;
  --rt-muted: #64748b;
  --rt-line: #dbe4f0;
  --rt-blue: #2457d6;
  --rt-blue-dark: #173fa8;
  --rt-pale: #f3f7ff;
  --rt-green: #16794c;
  --rt-red: #b33c4a;
  color: var(--rt-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

#realtime-lottery-app *,
#realtime-lottery-app *::before,
#realtime-lottery-app *::after {
  box-sizing: border-box;
}

#realtime-lottery-app h2,
#realtime-lottery-app h3 {
  background: none !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: var(--rt-ink);
  height: auto !important;
  margin: 0 0 0.65rem;
  padding: 0 !important;
  width: auto !important;
}

#realtime-lottery-app h2::before,
#realtime-lottery-app h2::after,
#realtime-lottery-app h3::before,
#realtime-lottery-app h3::after {
  background: none !important;
  content: none !important;
  display: none !important;
  height: auto !important;
  width: auto !important;
}

#realtime-lottery-app h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 750;
  line-height: 1.35;
}

#realtime-lottery-app h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

#realtime-lottery-app p {
  margin: 0 0 0.9rem;
}

#realtime-lottery-app .rt-lead {
  color: #334766;
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 0.45rem;
}

#realtime-lottery-app .rt-privacy {
  background: #fff9e9;
  border: 1px solid #f0dda5;
  border-radius: 12px;
  color: #6f5711;
  font-size: 0.88rem;
  padding: 0.75rem 0.9rem;
}

#realtime-lottery-app p.sticky-note {
  background: #f5f7fb;
  border: 1px solid var(--rt-line);
  border-radius: 10px;
  color: var(--rt-muted);
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 650;
  margin: 0 0 1rem;
  padding: 0.45rem 0.75rem;
}

#realtime-lottery-app #count-display.loading::after {
  animation: rt-dots 1.2s steps(3, end) infinite;
  content: "...";
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  width: 1.1em;
}

@keyframes rt-dots {
  0% { width: 0; }
  100% { width: 1.1em; }
}

#realtime-lottery-app .rt-message {
  border-radius: 12px;
  display: none;
  font-weight: 650;
  margin: 0 0 1rem;
  padding: 0.75rem 0.95rem;
}

#realtime-lottery-app .rt-message.rt-visible {
  display: block;
}

#realtime-lottery-app .rt-message.rt-error {
  background: #fff0f1;
  border: 1px solid #f1c5ca;
  color: #8d2533;
}

#realtime-lottery-app .rt-message.rt-ok {
  background: #eaf8f1;
  border: 1px solid #b8e2cb;
  color: #17643f;
}

#realtime-lottery-app .rt-panel {
  background: linear-gradient(145deg, #ffffff, #f8faff);
  border: 1px solid var(--rt-line);
  border-radius: 20px;
  box-shadow: 0 14px 40px rgba(31, 57, 94, 0.08);
  margin: 0 0 1.2rem;
  padding: clamp(1rem, 3vw, 1.6rem);
}

#realtime-lottery-app .rt-hidden {
  display: none !important;
}

#realtime-lottery-app label {
  color: #344765;
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0.9rem 0 0.35rem;
}

#realtime-lottery-app input,
#realtime-lottery-app select {
  background: #fff;
  border: 1px solid #cbd6e6;
  border-radius: 11px;
  color: var(--rt-ink);
  display: block;
  font: inherit;
  min-height: 48px;
  padding: 0.65rem 0.8rem;
  width: 100%;
}

#realtime-lottery-app input:focus,
#realtime-lottery-app select:focus,
#realtime-lottery-app button:focus-visible {
  outline: 3px solid rgba(36, 87, 214, 0.24);
  outline-offset: 2px;
}

#realtime-lottery-app .rt-button {
  align-items: center;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 750;
  justify-content: center;
  min-height: 46px;
  padding: 0.65rem 1rem;
  text-align: center;
  transition: background 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

#realtime-lottery-app .rt-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

#realtime-lottery-app .rt-button:disabled {
  cursor: not-allowed;
  filter: grayscale(0.3);
  opacity: 0.5;
}

#realtime-lottery-app .rt-button-main {
  background: var(--rt-blue);
  box-shadow: 0 7px 18px rgba(36, 87, 214, 0.2);
  color: #fff;
  margin-top: 0.85rem;
  width: 100%;
}

#realtime-lottery-app .rt-button-main:hover:not(:disabled) {
  background: var(--rt-blue-dark);
}

#realtime-lottery-app .rt-button-light {
  background: #edf3ff;
  color: #234cae;
}

#realtime-lottery-app .rt-button-danger {
  background: #fff0f1;
  color: #9d2d3b;
}

#realtime-lottery-app .rt-divider {
  align-items: center;
  color: #8997ab;
  display: flex;
  gap: 0.75rem;
  margin: 1.4rem 0;
}

#realtime-lottery-app .rt-divider::before,
#realtime-lottery-app .rt-divider::after {
  background: var(--rt-line);
  content: "";
  flex: 1;
  height: 1px;
}

#realtime-lottery-app .rt-panel-head {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

#realtime-lottery-app .rt-eyebrow {
  color: var(--rt-blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 0.2rem;
  text-transform: uppercase;
}

#realtime-lottery-app .rt-phase {
  background: #eaf8f1;
  border: 1px solid #c2e9d2;
  border-radius: 999px;
  color: var(--rt-green);
  flex: 0 0 auto;
  font-size: 0.78rem;
  font-weight: 750;
  padding: 0.28rem 0.65rem;
}

#realtime-lottery-app .rt-invite {
  align-items: center;
  background: var(--rt-pale);
  border: 1px solid #dce7fb;
  border-radius: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
  padding: 1rem;
}

#realtime-lottery-app .rt-qr {
  align-items: center;
  background: #fff;
  border: 1px solid var(--rt-line);
  border-radius: 12px;
  display: flex;
  flex: 0 0 180px;
  justify-content: center;
  min-height: 180px;
  min-width: 180px;
  overflow: hidden;
  padding: 8px;
}

#realtime-lottery-app .rt-qr img,
#realtime-lottery-app .rt-qr canvas {
  display: block;
  height: auto;
  max-width: 100%;
}

#realtime-lottery-app .rt-invite-copy {
  flex: 1 1 220px;
  min-width: 0;
}

#realtime-lottery-app .rt-invite-copy p {
  overflow-wrap: anywhere;
}

#realtime-lottery-app .rt-stat-row {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1rem 0;
}

#realtime-lottery-app .rt-stat {
  background: #fff;
  border: 1px solid var(--rt-line);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  padding: 0.85rem 1rem;
}

#realtime-lottery-app .rt-stat strong {
  color: var(--rt-blue-dark);
  font-size: 1.55rem;
  line-height: 1.2;
}

#realtime-lottery-app .rt-stat span {
  color: var(--rt-muted);
  font-size: 0.8rem;
  margin-top: 0.2rem;
}

#realtime-lottery-app .rt-roster-wrap {
  margin-top: 1.1rem;
}

#realtime-lottery-app .rt-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

#realtime-lottery-app .rt-list li {
  align-items: center;
  background: #fff;
  border: 1px solid #e5ebf4;
  border-radius: 10px;
  display: flex;
  gap: 0.6rem;
  justify-content: space-between;
  margin: 0 0 0.4rem;
  padding: 0.55rem 0.75rem;
}

#realtime-lottery-app .rt-list li.rt-winner {
  background: #fff8e7;
  border-color: #efd898;
}

#realtime-lottery-app .rt-empty {
  color: var(--rt-muted);
  display: block !important;
  font-size: 0.9rem;
  padding: 0.65rem 0.1rem !important;
}

#realtime-lottery-app .rt-badge {
  background: #eaf8f1;
  border-radius: 999px;
  color: var(--rt-green);
  flex: 0 0 auto;
  font-size: 0.74rem;
  font-weight: 750;
  padding: 0.12rem 0.5rem;
}

#realtime-lottery-app .rt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

#realtime-lottery-app .rt-actions .rt-button {
  flex: 1 1 150px;
}

#realtime-lottery-app .rt-result {
  background: #fff7df;
  border: 1px solid #eed78f;
  border-radius: 14px;
  color: #674d00;
  font-size: clamp(1.1rem, 4vw, 1.55rem);
  font-weight: 800;
  margin: 0.8rem 0;
  min-height: 2.3rem;
  padding: 0.75rem 1rem;
  text-align: center;
}

#realtime-lottery-app .rt-wait {
  background: var(--rt-pale);
  border-radius: 12px;
  color: #36527f;
  padding: 0.8rem 1rem;
}

#realtime-lottery-app .rt-small {
  color: var(--rt-muted);
  font-size: 0.82rem;
  margin: 1rem 0 0;
}

#realtime-lottery-app .rt-guide {
  background: #f8fafc;
  border: 1px solid var(--rt-line);
  border-radius: 18px;
  margin-top: 1.5rem;
  padding: clamp(1rem, 3vw, 1.4rem);
}

#realtime-lottery-app .rt-guide ol {
  margin: 0 0 1rem;
  padding-left: 1.4rem;
}

#realtime-lottery-app .rt-guide li {
  margin: 0.35rem 0;
}

@media (max-width: 560px) {
  #realtime-lottery-app .rt-invite {
    justify-content: center;
  }

  #realtime-lottery-app .rt-invite-copy {
    flex-basis: 100%;
  }

  #realtime-lottery-app .rt-actions .rt-button {
    flex-basis: 100%;
  }
}