.guide-wrap { --cc: var(--c); --cs: color-mix(in srgb, var(--c) 11%, var(--surface)); }
.guide-head { padding-top: 4px; }
.guide-badge { display: flex; align-items: center; gap: 12px; margin: 0 0 16px; }
.guide-code {
  flex: none; width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  color: #fff; font-size: 20px; font-weight: 800; letter-spacing: -.03em;
  background: var(--c); background-image: linear-gradient(150deg, rgba(255, 255, 255, .28), transparent 55%);
  box-shadow: 0 8px 18px -10px var(--c);
}
.guide-name { display: inline-flex; align-items: center; gap: 7px; color: var(--ink); font-size: 18px; font-weight: 720; letter-spacing: -.02em; }
.guide-name .icon { width: 19px; height: 19px; color: var(--cc); }
.guide-head .know-byline span { white-space: nowrap; }
.guide h2 { font-size: 22px; letter-spacing: -.025em; }
.guide h3 { color: var(--ink); }

.guide-scale { margin-top: 24px; }
.guide-scale ol { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; }
.guide-scale li > * {
  display: grid; justify-items: center; gap: 1px; padding: 9px 2px 8px; border-radius: 14px;
  background: var(--surface); box-shadow: inset 0 3px 0 var(--c), inset 0 0 0 1px var(--line);
  color: var(--ink); text-decoration: none; transition: box-shadow .2s, transform .2s var(--ease);
}
.guide-scale b { font-size: 16px; font-weight: 780; letter-spacing: -.02em; }
.guide-scale small { display: none; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-3); font-size: 11.5px; font-weight: 600; }
.guide-scale li.is-here > * { background: var(--c); background-image: linear-gradient(150deg, rgba(255, 255, 255, .22), transparent 60%); box-shadow: 0 8px 18px -12px var(--c); color: #fff; }
.guide-scale li.is-here small { color: rgba(255, 255, 255, .86); }
.guide-scale span:not([aria-current]) { opacity: .62; }
.guide-bands { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 8px; }
.guide-bands span { padding-top: 6px; border-top: 2px solid var(--line-2); color: var(--ink-3); font-size: 12px; font-weight: 650; letter-spacing: .03em; text-align: center; text-transform: uppercase; }
.guide-bands span.is-here { border-top-color: var(--c); color: var(--ink); }
.guide-bands i { font-style: normal; }
@media (max-width: 479px) { .guide-bands i { display: none; } }
@media (min-width: 560px) { .guide-scale small { display: block; } }

.guide .know-answer { margin-top: 26px; }

.guide-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 0; }
.guide-fact { padding: 14px 16px 15px; border-radius: var(--r-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.guide-fact dt { display: flex; align-items: center; gap: 7px; color: var(--ink-3); font-size: 13px; font-weight: 650; line-height: 1.3; }
.guide-fact dt .icon { flex: none; width: 16px; height: 16px; color: var(--cc); }
.guide-fact dd { margin: 6px 0 0; }
.guide-fact strong { display: block; color: var(--ink); font-size: 19px; font-weight: 740; letter-spacing: -.02em; line-height: 1.25; }
.guide-fact dd span { display: block; margin-top: 3px; color: var(--ink-3); font-size: 14px; line-height: 1.4; }
@media (max-width: 400px) { .guide-facts { grid-template-columns: 1fr; } }

.guide-skills { display: grid; gap: 12px; margin-top: 16px; }
@media (min-width: 640px) { .guide-skills { grid-template-columns: 1fr 1fr; } }
.guide-skill { padding: 16px 18px 18px; border-radius: var(--r-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.guide-skill h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 17px; font-weight: 720; letter-spacing: -.02em; }
.guide-skill-icon { flex: none; width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center; background: var(--cs); color: var(--cc); }
.guide-skill-icon .icon { width: 18px; height: 18px; }
.guide-ticks { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.guide .guide-ticks li { display: flex; gap: 10px; font-size: 15.5px; line-height: 1.5; }
.guide-ticks .icon { flex: none; width: 16px; height: 16px; margin-top: 4px; color: var(--cc); stroke-width: 2.6; }

.guide-hard { padding: 18px 20px; border-radius: var(--r-md); background: var(--bg-2); }
.guide .guide-hard h2 { font-size: 19px; }
.guide-hard ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.guide .guide-hard li { position: relative; padding-left: 20px; font-size: 16px; }
.guide-hard li::before { content: ''; position: absolute; left: 3px; top: .72em; width: 7px; height: 2px; border-radius: 2px; background: var(--ink-3); }

.guide-samples { display: grid; gap: 22px; margin-top: 16px; }
@media (min-width: 680px) { .guide-samples { grid-template-columns: 1fr 1fr; gap: 16px; } }
.guide-sample { margin: 0; display: flex; flex-direction: column; }
.guide-sample figcaption { display: flex; align-items: center; gap: 7px; margin-bottom: 10px; color: var(--ink-3); font-size: 13px; font-weight: 650; letter-spacing: .03em; text-transform: uppercase; }
.guide-sample figcaption .icon { width: 15px; height: 15px; color: var(--cc); }
.guide-chat { flex: 1; display: flex; flex-direction: column; gap: 6px; padding: 14px; border-radius: var(--r-lg); background: var(--chat); }
.guide .guide-bubble { align-self: flex-start; max-width: 86%; margin: 0; padding: 7px 13px 8px; border-radius: 16px 16px 16px 5px; background: var(--msg); box-shadow: 0 1px 1px rgba(14, 15, 20, .06); color: var(--ink); font-size: 15.5px; line-height: 1.4; }
.guide-bubble small { display: block; color: var(--ink-3); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.guide .guide-bubble.is-you { align-self: flex-end; border-radius: 16px 16px 5px 16px; background: var(--c); color: #fff; }
.guide-bubble.is-you small { color: rgba(255, 255, 255, .78); }
.guide-paper {
  flex: 1; padding: 14px 20px 18px; border-radius: 5px 20px 20px 20px; background-color: var(--surface);
  background-image: repeating-linear-gradient(to bottom, transparent 0 27px, var(--line-2) 27px 28px); background-position: 0 13px;
  box-shadow: inset 0 0 0 1px var(--line), var(--sh-1);
}
.guide .guide-paper p { margin: 0; color: var(--ink); font-size: 16px; line-height: 28px; }
.guide .guide-note { margin-top: 10px; color: var(--ink-3); font-size: 14.5px; line-height: 1.5; }

.guide-grammar { margin: 14px 0 0; padding: 0; list-style: none; border-radius: var(--r-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.guide .guide-grammar li { display: grid; gap: 2px; padding: 11px 16px; font-size: 15.5px; line-height: 1.45; }
.guide-grammar li + li { border-top: 1px solid var(--line); }
.guide-grammar strong { color: var(--ink); font-weight: 680; }
.guide-grammar li > span:first-child { color: var(--ink-2); }
.guide .guide-grammar em { font-weight: 520; color: var(--ink); }
@media (min-width: 560px) { .guide .guide-grammar li { grid-template-columns: 46% 1fr; gap: 16px; } }

.guide-chips { margin: 12px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.guide .guide-chips li { padding: 6px 13px; border-radius: 999px; background: var(--cs); color: var(--ink); font-size: 15px; font-weight: 560; line-height: 1.35; }
.guide-chips--next { --cs: color-mix(in srgb, var(--c) 11%, var(--surface)); }
.guide .guide-chips em { font-weight: 640; }

.guide-check { margin-top: 14px; }
.guide .guide-format { margin-bottom: 10px; color: var(--cc); font-size: 12.5px; font-weight: 720; letter-spacing: .06em; text-transform: uppercase; }
.guide .guide-bubble--q { display: table; max-width: none; margin-bottom: 12px; background: var(--chat); box-shadow: none; font-size: 17px; }
.guide .guide-passage { margin-bottom: 12px; padding: 12px 16px; border-radius: 4px 14px 14px 4px; background: var(--bg); box-shadow: inset 3px 0 0 var(--c); color: var(--ink); font-size: 16.5px; }

.guide-h3 { margin: 24px 0 10px; font-size: 17px; font-weight: 720; letter-spacing: -.02em; }
.guide-tips { margin: 0; padding: 0; list-style: none; counter-reset: tip; display: grid; gap: 8px; }
.guide .guide-tips li { position: relative; display: grid; gap: 2px; padding: 14px 16px 15px 58px; border-radius: var(--r-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); counter-increment: tip; font-size: 15.5px; line-height: 1.5; }
.guide-tips li::before { content: counter(tip); position: absolute; left: 16px; top: 13px; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--cs); color: var(--cc); font-size: 14px; font-weight: 760; }
.guide-tips strong { color: var(--ink); font-size: 16.5px; font-weight: 680; }

.guide-table { margin-top: 14px; overflow-x: auto; border-radius: var(--r-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.guide-table table { width: 100%; border-collapse: collapse; font-size: 15.5px; line-height: 1.45; }
.guide-table th, .guide-table td { padding: 12px 16px; text-align: left; vertical-align: top; }
.guide-table thead th { color: var(--ink-3); font-size: 12.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.guide-table tbody tr { border-top: 1px solid var(--line); }
.guide-table tbody th { width: 34%; min-width: 120px; color: var(--ink); font-weight: 650; }
.guide-table td { color: var(--ink-2); }
.guide-table td strong { color: var(--ink); font-weight: 650; }
.guide .guide-small { margin-top: 10px; color: var(--ink-3); font-size: 14.5px; line-height: 1.5; }

.guide-faq details { border-top: 1px solid var(--line); }
.guide-faq details:last-of-type { border-bottom: 1px solid var(--line); }
.guide-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 15px 0; color: var(--ink); font-size: 17px; font-weight: 650; letter-spacing: -.01em; line-height: 1.35; list-style: none; cursor: pointer; }
.guide-faq summary::-webkit-details-marker { display: none; }
.guide-faq summary .icon { flex: none; width: 18px; height: 18px; color: var(--ink-3); transition: transform .25s var(--ease); }
.guide-faq details[open] summary .icon { transform: rotate(180deg); }
.guide .guide-faq details p { margin: -4px 0 0; padding-bottom: 16px; }

.guide-pager { display: grid; gap: 10px; margin-top: 28px; }
@media (min-width: 560px) { .guide-pager { grid-template-columns: 1fr 1fr; } .guide-pager-link.is-next { grid-column: 2; } }
.guide-pager-link { position: relative; display: grid; gap: 4px; padding: 14px 18px 15px 48px; border-radius: var(--r-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); color: var(--ink); text-decoration: none; transition: box-shadow .2s, transform .2s var(--ease); }
.guide-pager-link.is-next { padding: 14px 48px 15px 18px; text-align: right; }
.guide-pager-link small { color: var(--ink-3); font-size: 12.5px; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; }
.guide-pager-link strong { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.guide-pager-link.is-next strong { justify-content: flex-end; }
.guide-pager-link b { padding: 2px 8px; border-radius: 8px; background: var(--c); color: #fff; font-size: 13px; font-weight: 760; }
.guide-pager-link .icon { position: absolute; top: 50%; left: 18px; width: 18px; height: 18px; margin-top: -9px; color: var(--ink-3); transition: transform .2s var(--ease); }
.guide-pager-link.is-next .icon { left: auto; right: 18px; }

@media (hover: hover) {
  .guide-scale a:hover { box-shadow: inset 0 3px 0 var(--c), inset 0 0 0 1px var(--line-2), var(--sh-2); transform: translateY(-1px); }
  .guide-faq summary:hover .icon { color: var(--ink); }
  .guide-pager-link:hover { box-shadow: inset 0 0 0 1px var(--line-2), var(--sh-2); transform: translateY(-1px); }
  .guide-pager-link:hover .icon { transform: translateX(-3px); }
  .guide-pager-link.is-next:hover .icon { transform: translateX(3px); }
}

[data-theme="dark"] .guide-wrap { --cc: color-mix(in srgb, var(--c) 52%, #fff); --cs: color-mix(in srgb, var(--c) 24%, var(--surface)); }
[data-theme="dark"] .guide-chips--next { --cs: color-mix(in srgb, var(--c) 24%, var(--surface)); }
[data-theme="dark"] .guide .guide-bubble { box-shadow: 0 1px 1px rgba(0, 0, 0, .3); }
[data-theme="dark"] .guide .guide-bubble--q { box-shadow: none; }

.levels-band { margin-top: 22px; }
.guide .levels-band h3 { display: flex; align-items: baseline; gap: 8px; margin: 0; font-size: 17px; font-weight: 720; letter-spacing: -.02em; }
.levels-band h3 span { color: var(--ink-3); font-size: 14px; font-weight: 600; letter-spacing: 0; }
.guide .levels-band > p { margin: 2px 0 0; color: var(--ink-2); font-size: 15.5px; }
.levels-list { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
@media (min-width: 640px) { .levels-list { grid-template-columns: 1fr 1fr; } }
.levels-list li { --cc: var(--c); }
.levels-card { display: flex; align-items: center; gap: 14px; height: 100%; padding: 14px 16px; border-radius: var(--r-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line), var(--sh-1); color: var(--ink); text-decoration: none; transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.levels-code { flex: none; width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center; color: #fff; font-size: 18px; font-weight: 800; letter-spacing: -.03em; background: var(--c); background-image: linear-gradient(150deg, rgba(255, 255, 255, .28), transparent 55%); box-shadow: 0 8px 18px -10px var(--c); }
.levels-text { flex: 1; min-width: 0; display: grid; gap: 2px; }
.levels-text strong { display: flex; align-items: center; gap: 7px; font-size: 17px; font-weight: 720; letter-spacing: -.02em; }
.levels-text strong .icon { flex: none; width: 17px; height: 17px; color: var(--cc); }
.levels-text > span { color: var(--ink-2); font-size: 14.5px; line-height: 1.45; }
.levels-card > .icon { flex: none; width: 18px; height: 18px; color: var(--ink-3); transition: transform .25s var(--ease), color .25s; }
.levels-table table { min-width: 520px; }
.levels-table tbody th { width: auto; min-width: 0; }
.levels-table td { white-space: nowrap; }
.levels-chip { display: inline-block; padding: 2px 8px; border-radius: 8px; background: var(--c); color: #fff; font-size: 13px; font-weight: 760; }
.guide .levels-needs li { grid-template-columns: 1fr auto; gap: 16px; align-items: baseline; }
.levels-needs li > span:last-child { white-space: nowrap; }
@media (hover: hover) {
  .levels-card:hover { transform: translateY(-1px); box-shadow: inset 0 0 0 1px var(--line-2), var(--sh-2); }
  .levels-card:hover > .icon { transform: translateX(3px); color: var(--ink); }
}
[data-theme="dark"] .levels-list li { --cc: color-mix(in srgb, var(--c) 52%, #fff); }