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

:root {
  --ink: #1a1815;
  --paper: #faf7f0;
  --cream: #f0ebe0;
  --warm-gray: #8c7b6b;
  --accent: #c1272d;
  --accent-hover: #a01f25;
  --border: #d4c9b8;
  --tag-bg: #e8e4db;
  --shadow: 0 2px 8px rgba(26, 24, 21, 0.08);
  --radius: 6px;
  --font-body: Georgia, 'Times New Roman', serif;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.5rem;
  border-bottom: 3px solid var(--accent);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--paper);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}

.logo svg { flex-shrink: 0; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.main-nav a:hover,
.main-nav a:focus { opacity: 1; text-decoration: underline; }

main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.workspace-intro {
  text-align: center;
  margin-bottom: 2rem;
}

.workspace-intro h1 {
  font-family: var(--font-ui);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--warm-gray);
  font-style: italic;
}

.updated-note {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--warm-gray);
  margin-top: 0.5rem;
}

.workspace {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 3rem;
}

.ad-selector {
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.ad-selector label {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
}

.ad-selector select {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%238c7b6b'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
}

.workspace-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  align-items: start;
}

.ad-viewer {
  position: relative;
}

.ad-image-container {
  position: relative;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: crosshair;
}

.ad-placeholder {
  text-align: center;
  color: var(--warm-gray);
  padding: 2rem;
}

.ad-placeholder p {
  font-family: var(--font-ui);
  margin-top: 1rem;
  font-size: 0.95rem;
}

.ad-render {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  position: relative;
}

.ad-render .ad-headline {
  font-family: var(--font-ui);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.ad-render .ad-subhead {
  font-size: 1rem;
  color: var(--warm-gray);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.ad-render .ad-body {
  font-size: 0.9rem;
  max-width: 400px;
  line-height: 1.5;
  color: #444;
}

.ad-render .ad-product-zone {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--accent);
}

.markers-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.marker-pin {
  position: absolute;
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  transform: translate(-50%, -50%);
  cursor: pointer;
  pointer-events: auto;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  transition: transform 0.15s;
  z-index: 10;
}

.marker-pin:hover,
.marker-pin.active {
  transform: translate(-50%, -50%) scale(1.2);
  z-index: 20;
}

.ad-caption {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--warm-gray);
  margin-top: 0.5rem;
  text-align: center;
}

.tool-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel-section h2 {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--warm-gray);
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}

.technique-tally {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.technique-tally li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  padding: 0.25rem 0;
}

.tally-label { color: var(--ink); }

.tally-count {
  background: var(--tag-bg);
  color: var(--ink);
  font-weight: 700;
  min-width: 1.8rem;
  text-align: center;
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
  font-size: 0.78rem;
}

.marker-detail-empty {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--warm-gray);
  font-style: italic;
  min-height: 80px;
  display: flex;
  align-items: center;
}

.marker-detail-active {
  font-family: var(--font-ui);
  font-size: 0.82rem;
}

.marker-detail-active .detail-header {
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.marker-detail-active select {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  padding: 0.3rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  width: 100%;
  margin-bottom: 0.4rem;
}

.marker-detail-active textarea {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  padding: 0.4rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  width: 100%;
  resize: vertical;
  min-height: 50px;
}

.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.btn {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.btn:hover {
  background: var(--cream);
  border-color: var(--warm-gray);
}

.btn-danger {
  color: var(--accent);
  border-color: var(--accent);
}

.btn-danger:hover {
  background: #fde8e8;
}

.status-msg {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--warm-gray);
  min-height: 1.2rem;
}

.supporting-content {
  margin-bottom: 3rem;
}

.supporting-content h2 {
  font-family: var(--font-ui);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.supporting-content h3 {
  font-family: var(--font-ui);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.content-block p {
  font-size: 0.95rem;
  line-height: 1.7;
}

.decade-table-wrapper {
  overflow-x: auto;
  margin: 1rem 0 2rem;
}

.decade-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.decade-table th {
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 0.8rem;
  text-align: left;
  font-weight: 600;
}

.decade-table td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.decade-table tr:nth-child(even) td {
  background: var(--cream);
}

.mistakes-list {
  list-style: none;
  margin: 1rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mistakes-list li {
  font-size: 0.95rem;
  padding-left: 1.5rem;
  position: relative;
}

.mistakes-list li::before {
  content: '!';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-ui);
}

.glossary {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.glossary h2 {
  font-family: var(--font-ui);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.glossary-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 2rem;
}

.glossary-list dt {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
}

.glossary-list dd {
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 1.5rem;
  margin-top: auto;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  text-align: center;
  line-height: 1.8;
}

.site-footer a {
  color: var(--paper);
  text-decoration: underline;
  opacity: 0.85;
}

.site-footer a:hover { opacity: 1; }

.footer-inner { max-width: 800px; margin: 0 auto; }

.footer-note {
  font-size: 0.72rem;
  opacity: 0.7;
  margin-top: 0.5rem;
}

@media (max-width: 900px) {
  .workspace-layout {
    grid-template-columns: 1fr;
  }

  .tool-panel {
    order: 2;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .glossary-list {
    grid-template-columns: 1fr;
  }

  .workspace-intro h1 {
    font-size: 1.6rem;
  }

  main {
    padding: 1rem 1rem 2rem;
  }
}

@media print {
  .site-header,
  .site-footer,
  .ad-selector,
  .actions-row,
  .tool-panel .panel-section:first-child,
  #save-status {
    display: none;
  }

  .workspace-layout {
    grid-template-columns: 1fr;
  }

  .workspace {
    box-shadow: none;
    border: none;
    padding: 0;
  }

  .marker-pin {
    background: #000;
    color: #fff;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}