:root {
  --page-guide-border: #dc2626;
  --page-guide-text: #b91c1c;
  --page-guide-bg: #ffffff;
  --page-guide-shadow: 0 10px 24px rgba(15, 23, 42, 0.14);
}

.page-guide-button {
  position: fixed;
  top: 64px;
  left: 20px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  min-width: 92px;
  border-radius: 12px;
  border: 2px solid var(--page-guide-border);
  background: var(--page-guide-bg);
  color: var(--page-guide-text);
  font-family: inherit;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.2px;
  text-align: center;
  box-shadow: var(--page-guide-shadow);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-guide-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.2);
}

.page-guide-button:focus-visible {
  outline: 2px solid rgba(239, 68, 68, 0.5);
  outline-offset: 2px;
}

.page-guide-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.32);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  border: none;
  z-index: 9998;
}

.page-guide-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.page-guide-panel {
  position: fixed;
  top: 132px;
  left: 16px;
  width: min(340px, calc(100vw - 32px));
  max-height: calc(100vh - 180px);
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.2);
  overflow: hidden;
  transform: translateX(-12px) scale(0.98);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 9999;
}

.page-guide-panel.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0) scale(1);
}

.page-guide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(120deg, #fee2e2, #fff7ed);
  color: #7f1d1d;
}

.page-guide-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
}

.page-guide-close {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: #7f1d1d;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-guide-close:hover {
  background: rgba(248, 113, 113, 0.2);
  transform: rotate(8deg);
}

.page-guide-body {
  padding: 16px;
  overflow-y: auto;
}

.page-guide-description {
  margin: 0 0 12px;
  font-size: 13px;
  color: #475569;
  line-height: 1.6;
}

.page-guide-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-guide-list li {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 12px;
  color: #0f172a;
  font-weight: 600;
}

@media (max-width: 640px) {
  .page-guide-button {
    top: 60px;
    left: 12px;
    min-width: 86px;
    padding: 5px 9px;
    font-size: 10px;
  }

  .page-guide-panel {
    top: 116px;
    left: 12px;
    width: min(320px, calc(100vw - 24px));
  }
}