:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #6b7280;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.05);
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.25rem;
  margin: 24px 0 8px;
}

.intro {
  margin: 0 0 16px;
  color: var(--muted);
}

ul, ol {
  padding-left: 20px;
}

li { margin: 6px 0; }

.footer {
  max-width: 820px;
  margin: 16px auto 0;
  padding: 12px 16px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 12px 0 0;
}

.form-section {
  margin-top: 32px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.form-row {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-row-inline {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.form-row label {
  font-weight: 500;
}

.form-row input[type="text"],
.form-row select,
.form-row textarea {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font: inherit;
}

.form-submit {
  margin-top: 4px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--text);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.form-submit:hover {
  opacity: 0.9;
}

.form-message {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Reference page styles */
.reference-content {
  margin-top: 24px;
  line-height: 1.7;
}

.reference-content iframe {
  width: 100%;
  min-height: 600px;
  max-height: 90vh;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.reference-content .formatted-text {
  background: var(--card);
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.8;
  color: var(--text);
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.reference-content .formatted-text p {
  margin: 0 0 16px 0;
}

.reference-content .formatted-text p:last-child {
  margin-bottom: 0;
}

.reference-content .extracted-content {
  background: var(--card);
  padding: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  max-width: 100%;
  overflow-x: auto;
}

.reference-content .extracted-content h1,
.reference-content .extracted-content h2,
.reference-content .extracted-content h3,
.reference-content .extracted-content h4,
.reference-content .extracted-content h5,
.reference-content .extracted-content h6 {
  margin-top: 32px;
  margin-bottom: 16px;
  line-height: 1.3;
  color: var(--text);
}

.reference-content .extracted-content h1:first-child,
.reference-content .extracted-content h2:first-child,
.reference-content .extracted-content h3:first-child {
  margin-top: 0;
}

.reference-content .extracted-content p {
  margin: 0 0 16px 0;
  line-height: 1.8;
}

.reference-content .extracted-content ul,
.reference-content .extracted-content ol {
  margin: 16px 0;
  padding-left: 24px;
}

.reference-content .extracted-content li {
  margin: 8px 0;
  line-height: 1.7;
}

.reference-content .extracted-content a {
  color: #2563eb;
  text-decoration: underline;
  text-decoration-color: rgba(37, 99, 235, 0.3);
}

.reference-content .extracted-content a:hover {
  text-decoration-color: #2563eb;
}

.reference-content .extracted-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 16px 0;
}

.reference-content .extracted-content code {
  background: #f3f4f6;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9em;
}

.reference-content .extracted-content pre {
  background: #f3f4f6;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 16px 0;
  border: 1px solid var(--border);
}

.reference-content .extracted-content pre code {
  background: none;
  padding: 0;
}

.reference-content .extracted-content blockquote {
  border-left: 4px solid var(--border);
  padding-left: 16px;
  margin: 16px 0;
  color: var(--muted);
  font-style: italic;
}

.reference-content .extracted-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.reference-content .extracted-content table th,
.reference-content .extracted-content table td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

.reference-content .extracted-content table th {
  background: #f9fafb;
  font-weight: 600;
}

.reference-content .view-toggle {
  margin-bottom: 16px;
  display: flex;
  gap: 8px;
}

.reference-content .view-toggle button {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.reference-content .view-toggle button:hover {
  background: #f9fafb;
}

.reference-content .view-toggle button.active {
  background: var(--text);
  color: white;
  border-color: var(--text);
}

/* Persona Grid Styles */
.page-header {
  margin-bottom: 32px;
}

.page-header code {
  background: #f3f4f6;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9em;
  color: #2563eb;
}

.jump-control {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.jump-control label {
  font-weight: 500;
  color: var(--muted);
}

.jump-control #jump-input {
  width: 80px;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font: inherit;
}

.jump-btn {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--text);
  color: #fff;
  font: inherit;
  cursor: pointer;
  transition: opacity 0.2s;
}

.jump-btn:hover {
  opacity: 0.9;
}

.persona-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 768px) {
  .persona-grid {
    grid-template-columns: 1fr;
  }
}

.persona-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  scroll-margin-top: 80px;
}

.persona-card:hover {
  box-shadow: 0 2px 4px rgba(0,0,0,0.06), 0 12px 32px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.persona-card.active {
  border-color: #2563eb;
  border-width: 2px;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1), 0 2px 4px rgba(0,0,0,0.06), 0 12px 32px rgba(0,0,0,0.08);
  background: #f8faff;
}

.persona-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.persona-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.persona-card.active .persona-number {
  background: #2563eb;
}

.persona-title {
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0;
  color: var(--text);
}

.persona-prompt {
  margin-top: 16px;
}

.persona-prompt p {
  margin: 0;
  line-height: 1.7;
  color: var(--text);
  font-size: 0.95rem;
}

/* Category section dividers inside the persona grid */
.persona-section {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0 2px;
  margin-top: 8px;
}

.persona-section h3 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0;
  white-space: nowrap;
}

.persona-section::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}