@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

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

body {
  background: #e5e7eb;
  margin: 0;
  padding: 20px 0;
}

/* A4 page */
.page {
  width: 210mm;
  height: 286mm;
  margin: 0 auto;
  background: #fff;
  color: #1a1a1a;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 7.6pt;
  line-height: 1.4;
  padding: 14mm 16mm 12mm;
  position: relative;
  overflow: hidden;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2.5px solid #1a1a1a;
  padding-bottom: 6px;
  margin-bottom: 10px;
}
.header-left .title {
  font-size: 22pt;
  font-weight: 900;
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.header-left .version {
  font-size: 9pt;
  font-weight: 600;
  color: #2563eb;
  margin-left: 8px;
}
.header-left .subtitle {
  font-size: 9.5pt;
  color: #555;
  margin-top: 2px;
}
.header-right {
  text-align: right;
  font-size: 7.5pt;
  color: #888;
  line-height: 1.5;
}

/* Tags */
.tag {
  display: inline-block;
  font-size: 6.5pt;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 4px;
}
.tag-blue   { background: #dbeafe; color: #1e40af; }
.tag-green  { background: #dcfce7; color: #166534; }
.tag-amber  { background: #fef3c7; color: #92400e; }

/* Columns */
.cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 2px;
}

/* Sections */
.section { margin-bottom: 7px; }

.s-label {
  font-size: 6.5pt;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #2563eb;
  margin-bottom: 3px;
}
.s-title {
  font-size: 11pt;
  font-weight: 800;
  margin-bottom: 4px;
  line-height: 1.2;
}
.section p {
  margin: 0 0 4px;
  color: #333;
}
.bold { font-weight: 700; }

/* Contract */
.contract-box {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 6px;
  padding: 7px 9px;
  margin: 5px 0;
  text-align: center;
}
.contract-formula {
  font-size: 11pt;
  font-weight: 800;
  color: #1e40af;
  margin: 2px 0;
}
.contract-sub {
  font-size: 7.2pt;
  color: #3b82f6;
}

/* Inline code */
code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 7.5pt;
  background: #f1f5f9;
  padding: 1px 4px;
  border-radius: 3px;
  color: #1e293b;
}

/* Code blocks */
pre {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 7.5pt;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 5px;
  padding: 6px 8px;
  margin: 5px 0;
  line-height: 1.45;
  white-space: pre;
  overflow: hidden;
}
pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  color: inherit;
  font-size: inherit;
}

/* SQL syntax colors */
.kw  { color: #7dd3fc; }  /* keywords */
.fn  { color: #a5f3fc; }  /* functions */
.str { color: #86efac; }  /* strings */
.cm  { color: #64748b; }  /* comments */
.op  { color: #fbbf24; }  /* operators and numbers */

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 7.2pt;
  margin: 5px 0;
}
th {
  text-align: left;
  padding: 4px 6px;
  font-weight: 700;
  border-bottom: 2px solid #e2e8f0;
  font-size: 7pt;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #555;
}
td {
  padding: 2px 6px;
  border-bottom: 1px solid #f1f5f9;
}
td.yes     { color: #16a34a; font-weight: 700; }
td.no      { color: #dc2626; font-weight: 700; }
td.partial { color: #d97706; font-weight: 700; }
td.label   { font-weight: 600; }
td.name    { font-weight: 700; white-space: nowrap; width: 90px; }
td.desc    { color: #555; }

/* Extensions */
.extension-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 6px;
  margin: 6px 0;
}
.extension-grid > div {
  background: #f8fafc;
  border-left: 2px solid #93c5fd;
  padding: 4px 6px;
  color: #475569;
  font-size: 7pt;
  line-height: 1.3;
}
.extension-grid span {
  display: block;
  color: #1e3a8a;
  font-weight: 800;
  margin-bottom: 1px;
}

/* Container modes */
.container-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  gap: 5px;
  margin: 5px 0;
}
.container-modes > div {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 5px;
  padding: 6px;
  color: #475569;
  font-size: 6.7pt;
  line-height: 1.3;
}
.container-modes span {
  display: block;
  color: #1e40af;
  font-weight: 900;
  margin-bottom: 2px;
}

/* Ecosystem */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin-top: 5px;
}
.ecosystem-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 5px;
  padding: 4px;
  color: #475569;
  font-size: 6.1pt;
  line-height: 1.24;
}
.ecosystem-name {
  display: block;
  margin-bottom: 2px;
  color: #0f172a;
  font-size: 7.7pt;
  font-weight: 900;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  margin: 5px 0;
}
.pillar {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 7px 8px;
  display: flex;
  flex-direction: column;
}
.pillar-icon  { font-size: 14pt; margin-bottom: 2px; }
.pillar-title {
  min-height: 2.4em;
  font-size: 8pt;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 2px;
}
.pillar-text {
  font-size: 7.1pt;
  font-weight: 400;
  color: #555;
  margin: 0;
  line-height: 1.35;
}

/* Language access */
.language-orbit {
  height: 144px;
  margin: 4px 0 6px;
  position: relative;
  overflow: hidden;
}
.connector-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.connector-lines > path {
  fill: none;
  stroke: #60a5fa;
  stroke-width: 1.35;
  stroke-dasharray: 3 3;
  marker-end: url(#arrow-to-taco);
}
.connector-lines marker path {
  fill: #60a5fa;
}
.orbit-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 104px;
  height: 52px;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #0f172a;
  color: #fff;
  border: 3px solid #dbeafe;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(15, 23, 42, .18);
  z-index: 2;
}
.orbit-core strong { font-size: 10pt; font-weight: 900; }
.orbit-core span {
  font-size: 5.5pt;
  color: #bfdbfe;
  margin-top: 1px;
  white-space: nowrap;
}
.language-node {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 4px;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  padding: 4px 7px;
  color: #1e293b;
  box-shadow: 0 2px 6px rgba(15, 23, 42, .09);
  font-size: 6.7pt;
}
.language-node img { width: 13px; height: 13px; }
.sql-mark { color: #2563eb; font-size: 11pt; line-height: .8; transform: rotate(90deg); }
.node-sql { left: 3%; top: 43%; }
.node-python { left: 12%; top: 3%; }
.node-r { left: 43%; top: 0; }
.node-julia { right: 12%; top: 4%; }
.node-js { right: 1%; top: 44%; }
.node-matlab { left: 18%; bottom: 2%; }
.node-cpp { right: 18%; bottom: 3%; }

/* Tree */
.tree {
  font-family: 'JetBrains Mono', monospace;
  font-size: 7.1pt;
  line-height: 1.42;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 5px;
  padding: 6px 8px;
  margin: 5px 0;
  color: #334155;
  white-space: pre;
}

/* Footer */
.footer {
  position: absolute;
  bottom: 4mm;
  left: 16mm;
  right: 16mm;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #e2e8f0;
  padding-top: 6px;
  font-size: 7pt;
  color: #999;
}
.footer a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.footer > div:first-child {
  display: flex;
  align-items: center;
  gap: 3px;
}
.footer .asterisk-brand img {
  display: block;
  width: auto;
  height: 18px;
}
.footer .ico {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 5px;
}
.footer-links .sep {
  color: #ccc;
}

/* Print button */
.footer-heart { color: #ef4444; }

.btn-wrap {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
}
.btn-pdf {
  background: #1a1a1a;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.btn-pdf:hover { background: #333; }

/* Print */
@media print {
  body { background: #fff; padding: 0; }
  .page { margin: 0; box-shadow: none; }
  .btn-wrap { display: none !important; }
  @page { size: 210mm 286mm; margin: 0; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}