* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: transparent;
  overflow: hidden;
  letter-spacing: 0;
}
body {
  color: var(--text);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.diagram {
  width: 100%;
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius:8px;
  background: var(--paper);
}
.next-ch6-ch6-1-header {
  display: grid;
  gap: 7px;
}
.next-ch6-ch6-1-kicker {
  width: fit-content;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  border-radius:6px;
  background: var(--panel);
  color: var(--blue);
  font-size:12px;
  font-weight: 800;
}
h1, h2, h3, p { margin: 0; }
h1 {
  font-size:24px;
  line-height: 1.25;
}
h2 {
  font-size:15px;
  line-height: 1.35;
}
p, span, li, td, th {
  font-size:13px;
  line-height: 1.52;
}
.next-ch6-ch6-1-lead, .muted, td span {
  color: var(--muted);
}
.grid {
  display: grid;
  gap: 10px;
}
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .step, .note, .next-ch6-ch6-1-table-wrap {
  border: 1px solid var(--line);
  border-radius:8px;
  background: var(--paper);
}
.card, .step, .note {
  display: grid;
  gap: 7px;
  padding: 11px;
}
.panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius:8px;
  background: var(--panel);
}
.badge {
  width: fit-content;
  padding: 2px 7px;
  border-radius:6px;
  border: 1px solid var(--line-strong);
  background: var(--panel-strong);
  color: var(--green);
  font-size:12px;
  font-weight: 800;
}
.num {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius:6px;
  background: var(--panel);
  color: var(--blue);
  font-size:12px;
  font-weight: 850;
}
.sequence {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.sequence .step {
  align-content: start;
}
.path {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}
.path .step {
  min-height: 104px;
}
table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
th, td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th {
  background: var(--panel);
  color: var(--text);
  font-size:13px;
}
tr:last-child td { border-bottom: 0; }
.ok { color: var(--green); font-weight: 800; }
.warn { color: var(--amber); font-weight: 800; }
.bad { color: var(--red); font-weight: 800; }
.code {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius:7px;
  background: var(--panel);
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size:12px;
  line-height: 1.5;
  white-space: pre-wrap;
}
@media (max-width: 720px) {
  .diagram { padding: 12px; gap: 12px; }
  h1 { font-size:21px; }
  .cols-2, .cols-3, .cols-4, .sequence, .path {
    grid-template-columns: minmax(0, 1fr);
  }
  .path .step { min-height: 0; }
  table, thead, tbody, tr, th, td { display: block; }
  thead { display: none; }
  tr {
    border-bottom: 1px solid var(--line);
    padding: 8px 0;
  }
  tr:last-child { border-bottom: 0; }
  td {
    border-bottom: 0;
    padding: 5px 10px;
  }
  td::before {
    content: attr(data-label);
    display: block;
    color: var(--muted);
    font-size:12px;
    font-weight: 800;
    margin-bottom: 2px;
  }
}

.pipeline {
  display: grid;
  gap: 10px;
}
.pipe-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius:8px;
  background: #fff;
  padding: 10px;
}
.pipe-row strong {
  color: var(--ink);
}
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.panel {
  border: 1px solid var(--line);
  border-radius:8px;
  background: #fff;
  padding: 14px;
}
.panel h2 {
  margin: 0 0 8px;
  font-size:17px;
}
.panel ul {
  margin: 0;
  padding-left: 18px;
}
.tree {
  border: 1px solid var(--line);
  border-radius:8px;
  background: #fff;
  padding: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:14px;
  line-height: 1.7;
}
.tree .file {
  color: var(--green);
  font-weight: 700;
}
.cache-layers {
  display: grid;
  gap: 8px;
}
.layer {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 10px;
  border: 1px solid var(--line);
  border-radius:8px;
  background: #fff;
  padding: 10px;
}
@media (max-width: 720px) {
  .pipe-row,
  .split,
  .layer {
    grid-template-columns: minmax(0, 1fr);
  }
}