/* ============================================
   Hub Operators — Styles
   Based on Hub AI styles with additions for
   scenarios, NLF, penalties, regulatory roles,
   information flows sections.
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700&family=DM+Sans:wght@400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --color-primary: #721A23;
  --color-primary-light: #8b2530;
  --color-primary-dark: #5a1019;
  --color-accent: #f0a500;
  --color-accent-light: #ffc947;

  --color-bg: #fafbfd;
  --color-surface: #ffffff;
  --color-surface-alt: #f3f5f9;
  --color-border: #dde2ea;
  --color-border-light: #e8ecf2;

  --color-text: #1a2332;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-text-inverse: #ffffff;

  --color-completed: #0d9668;
  --color-completed-bg: #e6f7f0;
  --color-upcoming: #d97706;
  --color-upcoming-bg: #fef3cd;
  --color-future: #6b7280;
  --color-future-bg: #f0f1f3;

  --font-heading: 'Source Serif 4', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);

  --max-width: 1140px;
  --header-height: 56px;
}

/* --- Dark mode --- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1419;
    --color-surface: #1a2332;
    --color-surface-alt: #212d3d;
    --color-border: #2d3a4d;
    --color-border-light: #374357;
    --color-text: #e2e8f0;
    --color-text-secondary: #a0aec0;
    --color-text-muted: #718096;
    --color-primary-light: #c0444f;
    --color-completed-bg: #0d2e23;
    --color-upcoming-bg: #2d2410;
    --color-future-bg: #1f2937;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.2);
  }
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: 2.25rem; font-weight: 700; }
h2 { font-size: 1.625rem; font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* --- Layout --- */
.hub-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

section {
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-border-light);
}

section:last-of-type {
  border-bottom: none;
}

.section-header {
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-intro {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  max-width: 780px;
}

/* --- Header / Top bar --- */
.hub-topbar {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding: var(--space-lg) 0;
  font-size: 0.85rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.hub-topbar .hub-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hub-topbar-left a {
  color: var(--color-text-inverse);
  opacity: 0.85;
  font-size: 0.85rem;
}

.hub-topbar-left a:hover {
  opacity: 1;
  text-decoration: none;
}

.lang-switch {
  display: flex;
  gap: var(--space-xs);
}

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-text-inverse);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s;
}

.lang-btn:hover {
  background: rgba(255,255,255,0.1);
}

.lang-btn.active {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
}

/* --- Hero --- */
.hero {
  background: var(--color-surface-alt);
  color: var(--color-text);
  padding: var(--space-3xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: var(--space-2xl);
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary);
  max-width: 640px;
}

.hero-roles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.hero-role-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all 0.25s;
  display: block;
  color: inherit;
}

.hero-role-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  text-decoration: none;
  color: inherit;
}

.hero-role-card h3 {
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
}

.hero-role-card p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  transition: all 0.25s;
  box-shadow: 0 4px 14px rgba(240, 165, 0, 0.35);
}

.hero-cta:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(240, 165, 0, 0.45);
  text-decoration: none;
  color: var(--color-primary-dark);
}

.hero-paper-ref {
  margin-top: var(--space-lg);
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.hero-paper-ref a {
  font-weight: 600;
}

/* --- Operator Cards --- */
.operator-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
  align-items: start;
}

.operator-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  transition: all 0.25s;
  cursor: pointer;
}

.operator-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.operator-card.expanded {
  grid-column: 1 / -1;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.operator-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.operator-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
  flex-shrink: 0;
}

.operator-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
}

.operator-card-article {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: var(--color-surface-alt);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.operator-card-definition {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.operator-card-elements {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-md);
}

.operator-card-elements li {
  position: relative;
  padding-left: var(--space-lg);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

.operator-card-elements li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
  font-weight: 600;
}

.operator-card-details {
  display: none;
}

.operator-card.expanded .operator-card-details {
  display: block;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.detail-section {
  margin-bottom: var(--space-lg);
}

.detail-section:last-child {
  margin-bottom: 0;
}

.detail-section h4 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.detail-section ul {
  list-style: none;
  padding: 0;
}

.detail-section li {
  position: relative;
  padding-left: var(--space-lg);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

.detail-section li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--color-primary-light);
  font-weight: 700;
}

.detail-section p {
  font-size: 0.9rem;
}

.detail-articles {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  color: var(--color-primary-light);
  background: var(--color-surface-alt);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: var(--space-md);
  line-height: 1.6;
  word-break: break-word;
}

/* --- Scenario Cards --- */
.scenario-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
  align-items: start;
}

.scenario-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  transition: all 0.25s;
  cursor: pointer;
}

.scenario-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.scenario-card.expanded {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.scenario-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.scenario-question {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.scenario-details {
  display: none;
}

.scenario-card.expanded .scenario-details {
  display: block;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.scenario-analysis {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.scenario-conclusion {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-completed-bg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.scenario-articles {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--color-primary-light);
}

/* --- Transformation Section --- */
.transform-principle {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  padding: var(--space-lg);
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: var(--space-2xl);
  max-width: 700px;
}

.trigger-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.trigger-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}

.trigger-card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-upcoming);
  color: var(--color-text-inverse);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: var(--space-md);
}

.trigger-card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
}

.trigger-card-article {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--color-primary-light);
  margin-bottom: var(--space-sm);
  display: block;
}

.trigger-card p {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.trigger-consequence {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-upcoming);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-upcoming-bg);
  border-radius: var(--radius-sm);
}

.safeguard-note {
  background: var(--color-surface-alt);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-lg);
}

.safeguard-note h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.safeguard-note p {
  font-size: 0.9rem;
}

/* --- Cascade Section --- */
.cascade-chain {
  position: relative;
  padding-left: var(--space-2xl);
}

.cascade-chain::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.cascade-item {
  position: relative;
  padding-bottom: var(--space-xl);
  padding-left: var(--space-md);
}

.cascade-item:last-child {
  padding-bottom: 0;
}

.cascade-dot {
  position: absolute;
  left: calc(-1 * var(--space-2xl) + 2px);
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-primary);
}

.cascade-role {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.cascade-level {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-light);
  margin-bottom: var(--space-xs);
}

.cascade-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.cascade-count {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.cascade-note {
  margin-top: var(--space-xl);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
  padding-left: var(--space-2xl);
}

/* --- Information Flows --- */
.flow-items {
  display: grid;
  gap: var(--space-md);
}

.flow-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.flow-direction {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-weight: 600;
  font-size: 0.95rem;
}

.flow-arrow {
  color: var(--color-primary);
  font-size: 1.2rem;
}

.flow-from {
  color: var(--color-primary);
}

.flow-to {
  color: var(--color-text);
}

.flow-docs {
  list-style: none;
  padding: 0;
}

.flow-docs li {
  position: relative;
  padding-left: var(--space-lg);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

.flow-docs li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
  font-weight: 600;
}

/* --- NLF Section --- */
.nlf-content {
  max-width: 780px;
}

.nlf-content > p {
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

.nlf-diff-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.nlf-diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.nlf-diff-table thead {
  background: var(--color-surface-alt);
}

.nlf-diff-table th {
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
}

.nlf-diff-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
  line-height: 1.55;
}

.nlf-diff-table tbody tr:hover {
  background: var(--color-surface-alt);
}

.nlf-diff-table tbody tr:last-child td {
  border-bottom: none;
}

.nlf-diff-table td:first-child {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.nlf-why {
  background: var(--color-surface-alt);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

.nlf-why h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.nlf-why p {
  font-size: 0.9rem;
}

.nlf-sources {
  margin-top: var(--space-lg);
  font-size: 0.88rem;
}

.nlf-sources a {
  display: block;
  margin-bottom: var(--space-xs);
}

/* --- Penalties Section --- */
.penalty-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.penalty-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}

.penalty-amount {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.penalty-turnover {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.penalty-card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
}

.penalty-card-article {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--color-primary-light);
  margin-bottom: var(--space-sm);
  display: block;
}

.penalty-applies {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.penalty-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.penalty-info {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.penalty-info h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.penalty-info p {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.penalty-info p:last-child {
  margin-bottom: 0;
}

/* --- Regulatory Roles Section --- */
.reg-roles-grid {
  display: grid;
  gap: var(--space-lg);
}

.reg-role-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}

.reg-role-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.reg-role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.reg-role-dimension {
  padding: var(--space-md);
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
}

.reg-role-dimension h4 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.reg-role-dimension p {
  font-size: 0.88rem;
  line-height: 1.5;
}

.reg-role-critical {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-upcoming);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-upcoming-bg);
  border-radius: var(--radius-sm);
}

.reg-role-takeaway {
  background: var(--color-surface-alt);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

.reg-role-takeaway p {
  font-size: 0.92rem;
  font-weight: 500;
}

/* --- Digital Package Note --- */
.dp-changes {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.dp-change {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.dp-change h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.dp-change p {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.dp-impact {
  font-size: 0.85rem;
  color: var(--color-upcoming);
  font-weight: 500;
}

.dp-status {
  background: var(--color-upcoming-bg);
  border: 1px solid var(--color-upcoming);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.dp-status h4 {
  color: var(--color-upcoming);
  margin-bottom: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
}

.dp-status p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Resources --- */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.resource-group h3 {
  font-size: 1rem;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
}

.resource-list {
  list-style: none;
  padding: 0;
}

.resource-list li {
  margin-bottom: var(--space-sm);
}

.resource-list a {
  font-size: 0.9rem;
  display: block;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: padding-left 0.2s;
}

.resource-list a:hover {
  padding-left: var(--space-sm);
  text-decoration: none;
}

.resource-tool {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  text-align: center;
}

.resource-tool h3 {
  border-bottom: none;
  margin-bottom: var(--space-sm);
}

.resource-tool p {
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
}

.resource-paper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.resource-paper h3 {
  border-bottom: none;
  margin-bottom: var(--space-sm);
}

.resource-paper p {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.resource-paper-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* --- Footer --- */
.hub-footer {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.hub-footer .hub-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-align: center;
  align-items: center;
}

.hub-footer a {
  color: var(--color-text-muted);
}

.hub-footer a:hover {
  color: var(--color-text);
}

.footer-disclaimer {
  font-size: 0.82rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* --- Scroll to top --- */
.scroll-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: all 0.2s;
  z-index: 50;
}

.scroll-top.visible {
  display: flex;
}

.scroll-top:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

/* --- Intersection Cards (Hub 3) --- */
.intersection-grid {
  display: grid;
  gap: var(--space-md);
}

.intersection-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: all 0.25s;
}

.intersection-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.intersection-card.expanded {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.intersection-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.intersection-cols {
  display: none;
}

.intersection-card.expanded .intersection-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.intersection-col h4 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.intersection-col p {
  font-size: 0.88rem;
  line-height: 1.6;
}

/* --- Rights Cards (Hub 3) --- */
.rights-cards {
  display: grid;
  gap: var(--space-md);
}

.rights-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}

.rights-card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
}

.rights-card-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.rights-card-link {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- Legal Bases Section (Hub 3) --- */
.legal-phase {
  margin-bottom: var(--space-2xl);
}

.legal-phase:last-child {
  margin-bottom: 0;
}

.legal-phase-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
}

.legal-basis-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-md);
  cursor: pointer;
  transition: all 0.25s;
}

.legal-basis-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.legal-basis-card.expanded {
  border-color: var(--color-primary-light);
}

.legal-basis-card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.legal-basis-card > p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.legal-basis-details {
  display: none;
}

.legal-basis-card.expanded .legal-basis-details {
  display: block;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.legal-basis-details p {
  font-size: 0.88rem;
  margin-bottom: var(--space-sm);
}

/* --- Two-Panel Section (Art 22, DPIA/FRIA) --- */
.two-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
}

.panel h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.panel p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.panel ul {
  list-style: none;
  padding: 0;
}

.panel li {
  position: relative;
  padding-left: var(--space-lg);
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
  line-height: 1.5;
}

.panel li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
  font-weight: 600;
}

.coordination-box {
  background: var(--color-surface-alt);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.coordination-box h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.coordination-box p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Scenario Blocks (compact) --- */
.scenario-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.scenario-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.scenario-block h4 {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
  text-transform: none;
  letter-spacing: normal;
}

.scenario-block p {
  font-size: 0.88rem;
  line-height: 1.5;
}

/* --- Tips List --- */
.tips-list {
  list-style: none;
  padding: 0;
  counter-reset: tip;
}

.tips-list li {
  position: relative;
  padding-left: 2.5rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
  counter-increment: tip;
}

.tips-list li::before {
  content: counter(tip);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Profiling List --- */
.profiling-examples {
  list-style: none;
  padding: 0;
}

.profiling-examples li {
  position: relative;
  padding-left: var(--space-lg);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.profiling-examples li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--color-primary-light);
  font-weight: 700;
}

/* --- Training Data Scenarios --- */
.unlawful-scenarios {
  display: grid;
  gap: var(--space-md);
}

.unlawful-scenario {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.unlawful-scenario h4 {
  font-size: 0.92rem;
  margin-bottom: var(--space-sm);
  text-transform: none;
  letter-spacing: normal;
}

.unlawful-scenario p {
  font-size: 0.88rem;
  line-height: 1.6;
}

/* --- Transfer Issues --- */
.transfer-issues {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.transfer-issue {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.transfer-issue h4 {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
  text-transform: none;
  letter-spacing: normal;
}

.transfer-issue p {
  font-size: 0.88rem;
  margin-bottom: var(--space-sm);
}

.transfer-actions {
  font-size: 0.82rem;
  color: var(--color-upcoming);
  font-weight: 500;
}

.transfer-scenario {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.transfer-scenario h3 {
  margin-bottom: var(--space-md);
}

.transfer-scenario ol {
  padding-left: var(--space-lg);
}

.transfer-scenario li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

/* --- Institutional Guidance --- */
.guidance-group {
  margin-bottom: var(--space-2xl);
}

.guidance-group:last-child {
  margin-bottom: 0;
}

.guidance-label {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
}

.guidance-items {
  display: grid;
  gap: var(--space-md);
}

.guidance-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.guidance-item-institution {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-light);
  margin-bottom: var(--space-xs);
}

.guidance-item h4 {
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
  text-transform: none;
  letter-spacing: normal;
}

.guidance-item-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.guidance-item p {
  font-size: 0.88rem;
  line-height: 1.5;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  h1 { font-size: 1.65rem; }
  h2 { font-size: 1.35rem; }

  .hero { padding: var(--space-2xl) 0; }
  .hero-headline { font-size: 1.1rem; }
  .hero-roles { grid-template-columns: 1fr; }

  .operator-cards { grid-template-columns: 1fr; }
  .scenario-cards { grid-template-columns: 1fr; }
  .trigger-cards { grid-template-columns: 1fr; }
  .penalty-tiers { grid-template-columns: 1fr; }
  .resources-grid { grid-template-columns: 1fr; }

  .reg-role-grid { grid-template-columns: 1fr; }

  .two-panels { grid-template-columns: 1fr; }
  .intersection-card.expanded .intersection-cols { grid-template-columns: 1fr; }
  .scenario-blocks { grid-template-columns: 1fr; }
  .transfer-issues { grid-template-columns: 1fr; }

  .nlf-diff-table { font-size: 0.82rem; }
}

@media (max-width: 480px) {
  .hub-topbar .hub-container {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* --- Print --- */
@media print {
  .hub-topbar, .scroll-top, .hero-cta, .lang-switch { display: none; }
  .hero { background: none; color: var(--color-text); padding: var(--space-lg) 0; }
  .hero h1, .hero-headline, .hero-subtitle { color: var(--color-text); }
  section { border-bottom: 1px solid #ccc; }
  .operator-card-details, .scenario-details { display: block !important; }
  .intersection-cols, .legal-basis-details { display: block !important; }
}