/* migrate.css — migration guide page styles */

.migrate-hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--border);
}
.migrate-hero h1 {
  font-size: 44px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  max-width: 820px;
}
.migrate-hero .sub {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 720px;
  margin-bottom: 0;
}
@media (max-width: 640px) {
  .migrate-hero { padding: 48px 0 32px; }
  .migrate-hero h1 { font-size: 30px; }
  .migrate-hero .sub { font-size: 16px; }
}

.migrate-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  padding: 56px 0 80px;
}
@media (max-width: 960px) {
  .migrate-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 56px;
  }
}

.path-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.path-tab {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color 0.12s, border-color 0.12s;
}
.path-tab:hover { color: var(--text); }
.path-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.path-tab .tab-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-fade);
  margin-left: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.path-section { display: none; }
.path-section.active { display: block; }

.path-section h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.path-section .path-lede {
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 32px;
  max-width: 640px;
}

.step {
  margin-bottom: 36px;
  padding-left: 56px;
  position: relative;
}
.step:last-child { margin-bottom: 0; }
.step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
}
.step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  padding-top: 8px;
}
.step ul {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}
.step ul li {
  padding: 6px 0 6px 22px;
  position: relative;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.55;
}
.step ul li:before {
  content: "›";
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-weight: 700;
}
.step p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 10px;
}
@media (max-width: 640px) {
  .step { padding-left: 0; }
  .step-num {
    position: static;
    margin-bottom: 12px;
  }
  .step h3 { padding-top: 0; }
}

.codeblock {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 10px 0 6px;
}
.codeblock-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-fade);
}
.codeblock pre {
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.55;
}
.codeblock .copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s;
}
.codeblock .copy-btn:hover { color: var(--text); border-color: var(--border-hot); }
.codeblock .copy-btn.done { color: var(--accent); border-color: var(--accent-dim); }

.diff-add { color: #6fdc8c; }
.diff-rem { color: #ff8a8a; }
.diff-ctx { color: var(--text-dim); }
.tok-key { color: #9ad1ff; }
.tok-str { color: #c6e58a; }
.tok-com { color: var(--text-fade); }

.savings-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 18px 22px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}
.savings-box .save-num {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 700;
}
.savings-box .save-note {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-fade);
}

.migrate-cta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  margin-top: 48px;
  text-align: center;
}
.migrate-cta h3 {
  font-size: 24px;
  margin-bottom: 10px;
}
.migrate-cta p {
  color: var(--text-dim);
  margin-bottom: 24px;
}
.migrate-cta .cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
@media (max-width: 640px) {
  .migrate-cta { padding: 24px; }
  .migrate-cta .cta-row .btn { width: 100%; }
}

.sidebar {
  position: sticky;
  top: 96px;
  align-self: start;
}
@media (max-width: 960px) {
  .sidebar { position: static; top: auto; }
}
.sidebar h3 {
  font-size: 14px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-fade);
  margin-bottom: 14px;
  font-weight: 600;
}
.sidebar details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  transition: border-color 0.12s;
}
.sidebar details[open] { border-color: var(--border-hot); }
.sidebar summary {
  padding: 14px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.sidebar summary::-webkit-details-marker { display: none; }
.sidebar summary:after {
  content: "+";
  font-family: var(--mono);
  color: var(--accent);
  font-size: 16px;
  flex: 0 0 auto;
}
.sidebar details[open] summary:after { content: "−"; }
.sidebar details > div {
  padding: 0 16px 14px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
}

.gotchas {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 22px;
}
.gotchas li {
  padding: 6px 0 6px 22px !important;
}