.demo-sitebar {
  position: relative;
  z-index: 110;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
  background: #111827;
  color: #f8fafc;
  font: 700 .8rem/1.2 system-ui, sans-serif;
}

.demo-sitebar-inner {
  width: min(1180px, calc(100% - 32px));
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-inline: auto;
}

.demo-sitebar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.demo-sitebar a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, .4);
  border-radius: 8px;
  color: #f8fafc;
  font: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.demo-sitebar a:hover {
  border-color: #f8fafc;
  background: rgba(255, 255, 255, .1);
}

.demo-sitebar .demo-back-link {
  border-color: #f8fafc;
  background: #f8fafc;
  color: #111827;
}

.demo-sitebar .demo-back-link:hover {
  background: #e5e7eb;
}

.demo-toast {
  position: fixed;
  z-index: 120;
  right: 18px;
  bottom: 86px;
  left: 18px;
  max-width: 480px;
  margin-inline: auto;
  padding: 15px 18px;
  border: 1px solid rgba(17, 27, 51, .14);
  border-radius: 12px;
  background: #fff;
  color: #17224b;
  box-shadow: 0 16px 42px rgba(17, 27, 51, .22);
  font: 700 .9rem/1.45 system-ui, sans-serif;
  text-align: center;
}

.demo-toast[hidden],
.demo-status[hidden] {
  display: none;
}

.demo-status {
  margin: 4px 0 0;
  padding: 13px 15px;
  border: 1px solid #abc7b0;
  border-radius: 10px;
  background: #eef8f0;
  color: #174c25;
  font-size: .86rem;
  font-weight: 700;
  line-height: 1.45;
}

.demo-label {
  display: inline-block;
  margin-left: 7px;
  color: inherit;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  opacity: .72;
  text-transform: uppercase;
  vertical-align: middle;
}

.demo-safe-note {
  margin: 4px 0 0;
  color: inherit;
  font-size: .78rem;
  line-height: 1.5;
  opacity: .78;
}

.demo-safe-note a {
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

[data-demo-form] button[disabled] {
  cursor: wait;
  opacity: .72;
}

.demo-customize {
  padding: clamp(48px, 7vw, 78px) 24px;
  background: var(--demo-custom-bg, #f8fafc);
  color: var(--demo-custom-text, #17224b);
}

.demo-customize-inner {
  width: min(1080px, 100%);
  margin-inline: auto;
}

.demo-customize details {
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--demo-custom-accent, #2563eb) 35%, transparent);
  border-radius: var(--demo-custom-radius, 16px);
  background: var(--demo-custom-surface, #fff);
  box-shadow: 0 16px 38px color-mix(in srgb, var(--demo-custom-text, #17224b) 10%, transparent);
}

.demo-customize summary {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 800;
  line-height: 1.2;
  list-style: none;
}

.demo-customize summary::-webkit-details-marker { display: none; }

.demo-customize summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--demo-custom-accent, #2563eb);
  font: 500 2rem/1 system-ui, sans-serif;
}

.demo-customize details[open] summary {
  border-bottom: 1px solid color-mix(in srgb, var(--demo-custom-text, #17224b) 14%, transparent);
}

.demo-customize details[open] summary::after { content: "−"; }

.demo-customize-content {
  padding: clamp(24px, 4vw, 38px);
}

.demo-customize-content > p {
  max-width: 65ch;
  margin: 0 0 25px;
  opacity: .78;
}

.demo-customize-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.demo-customize-list li {
  padding: 15px 0 15px 18px;
  border-left: 3px solid var(--demo-custom-accent, #2563eb);
  font-weight: 700;
  line-height: 1.4;
}

.demo-customize-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: calc(var(--demo-custom-radius, 16px) * .55);
  background: var(--demo-custom-accent, #2563eb);
  color: var(--demo-custom-cta-text, #fff);
  font-weight: 800;
  text-decoration: none;
}

.demo-customize-cta:hover { filter: brightness(.92); }

.demo-customize summary:focus-visible,
.demo-customize-cta:focus-visible {
  outline: 3px solid var(--demo-custom-accent, #2563eb);
  outline-offset: 4px;
}

@media (min-width: 700px) {
  .demo-toast {
    right: 24px;
    bottom: 24px;
    left: auto;
    margin-inline: 0;
    text-align: left;
  }
}

@media (max-width: 560px) {
  .demo-sitebar-inner {
    min-height: 58px;
    gap: 10px;
  }

  .demo-sitebar-label {
    max-width: 80px;
    font-size: .7rem;
    line-height: 1.15;
  }

  .demo-sitebar-actions {
    gap: 7px;
  }

  .demo-sitebar a {
    min-height: 38px;
    padding: 7px 9px;
    font-size: .7rem;
  }

  .demo-customize { padding-inline: 14px; }
  .demo-customize summary { min-height: 70px; padding: 18px; }
  .demo-customize-content { padding: 22px 18px; }
  .demo-customize-list { grid-template-columns: 1fr; gap: 0; }
  .demo-customize-cta { width: 100%; }
}

@media (prefers-reduced-motion: no-preference) {
  .demo-toast:not([hidden]),
  .demo-status:not([hidden]) {
    animation: demo-feedback-in .24s ease-out;
  }

  @keyframes demo-feedback-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }
}