/* Netapró Design System */
:root {
  --color-primary: #33304a;
  --color-secondary: #79758f;
  --color-accent: #e0533f;
  --color-surface: #f5f3f7;
  --color-surface-tab: #e7e3eb;
  --color-ink: #1a1826;
  --color-border: rgba(51, 48, 74, 0.2);
  --color-border-light: rgba(51, 48, 74, 0.12);

  --font-display: 'Vollkorn', Georgia, serif;
  --font-body: 'Spectral', Georgia, serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  background-color: #e9e6ec;
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.apno-body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-ink);
  background-color: #e9e6ec;
  padding: 1.5rem 1rem 3rem 1rem;
  min-height: 100vh;
  overflow-x: hidden;
}

.apno-site-wrapper {
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

/* Header & Tab Navigation */
.apno-top-header {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 2.5rem 2rem 0 2rem;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

.apno-header-brand {
  margin-bottom: 2rem;
}

.apno-site-title {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-decoration: none;
  display: inline-block;
  line-height: 1.1;
}

.apno-site-title:hover {
  color: #f0ece3;
}

.apno-site-tagline {
  font-family: var(--font-body);
  font-size: 1rem;
  color: #c4c1d4;
  margin-top: 0.4rem;
  font-style: italic;
}

/* Tab Navigation Row sitting on boundary between header and main panel */
.apno-navigation-tabs {
  width: 100%;
}

.apno-tabs-group {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 6px;
  border-bottom: 3px solid var(--color-primary);
  position: relative;
  z-index: 10;
}

.apno-tab-element {
  margin: 0;
}

.apno-tab-button {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 0.7rem 1.6rem;
  color: var(--color-primary);
  background-color: var(--color-surface-tab);
  border: 2px solid var(--color-primary);
  border-bottom: none;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
  position: relative;
  top: 3px;
}

.apno-tab-button:hover {
  background-color: #ffffff;
  color: var(--color-accent);
}

.apno-tab-button.apno-tab-active {
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-weight: 700;
  border-bottom: 3px solid var(--color-surface);
  margin-bottom: -3px;
  top: 3px;
  z-index: 12;
}

/* Main Content Panel connected to tab bar */
.apno-content-panel {
  background-color: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-top: none;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  padding: 3rem 2.5rem;
  box-shadow: 0 4px 20px rgba(26, 24, 38, 0.06);
}

/* Ledger Banner Opening Block */
.apno-ledger-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  margin-bottom: 2.5rem;
}

.apno-ledger-brand {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.apno-ledger-label-main {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.apno-ledger-flow {
  display: flex;
  flex-wrap: wrap;
  flex: 1;
  align-items: center;
}

.apno-ledger-cell {
  padding: 0.85rem 1.25rem;
  border-right: 1px solid var(--color-border-light);
  flex: 1 1 200px;
  display: flex;
  flex-direction: column;
}

.apno-ledger-cell:last-child {
  border-right: none;
}

.apno-ledger-cell-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.apno-ledger-cell-desc {
  font-size: 0.9rem;
  color: var(--color-secondary);
  line-height: 1.35;
}

/* Intro block */
.apno-intro-block {
  margin-bottom: 3rem;
  font-size: 1.15rem;
}

/* List rules explicitly covering BOTH .apno-prose AND .apno-intro-block */
.apno-prose ul,
.apno-prose ol,
.apno-intro-block ul,
.apno-intro-block ol {
  margin-top: 1.2rem;
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.apno-prose li,
.apno-intro-block li {
  margin-bottom: 0.6rem;
  line-height: 1.7;
}

.apno-prose p,
.apno-intro-block p {
  margin-bottom: 1.4rem;
  line-height: 1.8;
}

.apno-prose h2,
.apno-intro-block h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
  line-height: 1.25;
}

.apno-prose h3,
.apno-intro-block h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.apno-prose blockquote,
.apno-intro-block blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 0.8rem 0 0.8rem 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-primary);
  background-color: rgba(224, 83, 63, 0.04);
}

.apno-prose a,
.apno-intro-block a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.apno-prose a:hover,
.apno-intro-block a:hover {
  color: var(--color-primary);
}

/* Article presentation system: Text Rows */
.apno-section-divider {
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.apno-section-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
}

.apno-text-rows {
  display: flex;
  flex-direction: column;
}

.apno-row-item {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--color-border-light);
  gap: 1.5rem;
}

.apno-row-item:last-child {
  border-bottom: none;
}

.apno-row-date-col {
  width: 120px;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.apno-row-body-col {
  flex: 1;
}

.apno-row-headline {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.apno-row-headline a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.15s ease;
}

.apno-row-headline a:hover {
  color: var(--color-accent);
}

.apno-row-summary {
  font-size: 1.05rem;
  color: var(--color-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Single Article Header & Footer */
.apno-article-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
}

.apno-article-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.apno-article-meta-bar {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.apno-meta-divider {
  margin: 0 0.5rem;
}

.apno-article-lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-primary);
  font-weight: 500;
  margin-top: 1rem;
}

.apno-article-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.apno-back-link {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.apno-back-link:hover {
  text-decoration: underline;
}

/* List Page Header */
.apno-list-header {
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 1rem;
}

.apno-page-heading {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.apno-page-subheading {
  font-size: 1.15rem;
  color: var(--color-secondary);
  margin-top: 0.4rem;
}

/* Footer */
.apno-footer {
  margin-top: 2rem;
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-secondary);
}

.apno-footer-notice p {
  margin-bottom: 0.5rem;
}

.apno-footer-links a {
  color: var(--color-primary);
  text-decoration: none;
}

.apno-footer-links a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.apno-bullet-sep {
  margin: 0 0.4rem;
}

/* Mobile Responsiveness (down to 375px) */
@media (max-width: 640px) {
  body.apno-body {
    padding: 0.5rem 0.25rem 2rem 0.25rem;
  }

  .apno-top-header {
    padding: 1.5rem 1rem 0 1rem;
  }

  .apno-site-title {
    font-size: 2rem;
  }

  .apno-content-panel {
    padding: 1.5rem 1rem;
  }

  .apno-tab-button {
    padding: 0.5rem 0.9rem;
    font-size: 0.95rem;
  }

  .apno-ledger-banner {
    flex-direction: column;
  }

  .apno-ledger-brand {
    width: 100%;
  }

  .apno-ledger-cell {
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
    width: 100%;
  }

  .apno-row-item {
    flex-direction: column;
    gap: 0.3rem;
  }

  .apno-row-date-col {
    width: 100%;
    font-size: 0.85rem;
  }

  .apno-article-title {
    font-size: 1.8rem;
  }

  .apno-article-lead {
    font-size: 1.1rem;
  }
}