.lc-layout { display: grid; grid-template-columns: minmax(280px, 340px) minmax(0, 1fr); gap: 1rem; align-items: start; }
.lc-layout > .tb-card { margin-top: 0; }
.lc-side { position: sticky; top: calc(var(--bar-height) + 12px); display: flex; flex-direction: column; gap: 10px; max-height: calc(100dvh - var(--bar-height) - 24px); padding: 14px; overflow-y: auto; overscroll-behavior: contain; }
.lc-side > * { flex: none; }
.lc-search input { width: 100%; }
.lc-tabs { display: flex; }
.lc-tabs .tb-tab { flex: 1; }
.lc-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.lc-filters { display: flex; flex-direction: column; gap: 8px; }
.lc-az .tb-chip { min-width: 30px; justify-content: center; padding: 3px 6px; font-family: var(--font-mono); }
.lc-count { font-size: 0.75rem; }
.lc-list { list-style: none; margin: 0 -6px; }
.lc-item { display: block; width: 100%; text-align: left; appearance: none; border: 0; background: transparent; font: inherit; color: inherit; cursor: pointer; padding: 7px 10px; border-radius: var(--radius-sm); text-decoration: none; }
.lc-item:hover { background: var(--color-surface); }
.lc-item.is-active { background: var(--color-primary-soft); }
.lc-item-name { font-family: var(--font-mono); font-weight: 700; font-size: 0.9375rem; color: var(--color-primary); display: flex; align-items: center; gap: 6px; }
.lc-item-name svg { color: var(--color-warning); flex: none; }
.lc-item-desc { font-size: 0.8125rem; color: var(--color-text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lc-item mark { background: color-mix(in srgb, var(--color-warning) 35%, transparent); color: inherit; border-radius: 2px; }
.lc-more { width: 100%; margin-top: 6px; }

.lc-detail { min-height: 420px; min-width: 0; }
.lc-back { display: none; margin-bottom: 12px; }
.lc-head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 10px; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--color-border); }
.lc-head h2 { font-family: var(--font-mono); font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2rem); color: var(--color-primary); line-height: 1.2; word-break: break-all; }
.lc-head p { color: var(--color-text-secondary); margin-top: 4px; }
.lc-head .tb-chip { margin-top: 8px; }
.lc-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.lc-fav[aria-pressed="true"] { color: var(--color-warning); border-color: var(--color-warning); }

.lc-md { font-size: 0.9375rem; line-height: 1.75; color: var(--color-text); min-width: 0; }
.lc-md h1, .lc-md h2, .lc-md h3, .lc-md h4 { font-family: var(--font-display); margin: 1.5em 0 0.6em; scroll-margin-top: calc(var(--bar-height) + 16px); }
.lc-md h1 { font-size: 1.3rem; } .lc-md h2 { font-size: 1.2rem; } .lc-md h3 { font-size: 1.05rem; } .lc-md h4 { font-size: 0.95rem; }
.lc-md > :first-child { margin-top: 0; }
.lc-md p, .lc-md ul, .lc-md ol, .lc-md blockquote, .lc-md .lc-pre, .lc-md .tb-table-wrap { margin: 0 0 1em; }
.lc-md ul, .lc-md ol { padding-left: 1.5em; }
.lc-md li { margin: 0.2em 0; }
.lc-md blockquote { border-left: 3px solid var(--color-border-hover); padding: 2px 0 2px 12px; color: var(--color-text-secondary); }
.lc-md :not(pre) > code { background: var(--color-surface); padding: 1px 6px; border-radius: 5px; font-size: 0.85em; word-break: break-word; }
.lc-md a { word-break: break-all; }
.lc-md hr { border: 0; border-top: 1px dashed var(--color-border-hover); margin: 1.5em 0; }
.lc-pre { position: relative; }
.lc-pre pre { height: auto; max-height: 520px; white-space: pre; word-break: normal; overflow: auto; padding: 12px 14px; font-size: 12.5px; line-height: 1.6; margin: 0; tab-size: 4; }
.lc-pre .lc-copy { position: absolute; top: 6px; right: 6px; min-height: 28px; padding: 2px 10px; font-size: 0.75rem; opacity: 0.85; }
.lc-pre pre code { font-size: inherit; }
.lc-md table { font-size: 0.8125rem; }

.lc-welcome h2 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 4px; }
.lc-welcome h3 { font-size: 0.8125rem; color: var(--color-text-muted); letter-spacing: 0.06em; margin: 1.25rem 0 0.6rem; font-weight: 600; }
.lc-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.lc-cardlink { display: block; padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-md); text-decoration: none; background: var(--color-bg-card); transition: border-color var(--transition-fast); min-width: 0; }
.lc-cardlink:hover { border-color: var(--color-primary); }
.lc-cardlink b { font-family: var(--font-mono); color: var(--color-primary); display: block; }
.lc-cardlink span { font-size: 0.75rem; color: var(--color-text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.lc-related { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px dashed var(--color-border-hover); align-items: center; }
.lc-related a.tb-chip { text-decoration: none; font-family: var(--font-mono); min-height: 30px; }
.lc-related a.tb-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.lc-source { margin-top: 1rem; }
.lc-loading { padding: 3rem 1rem; text-align: center; color: var(--color-text-muted); }

@media (max-width: 860px) {
    .lc-layout { grid-template-columns: minmax(0, 1fr); }
    .lc-side { position: static; max-height: none; overflow: visible; }
    #app.is-detail .lc-side { display: none; }
    #app:not(.is-detail) .lc-detail { display: none; }
    .lc-back { display: inline-flex; }
    .lc-az { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
    .lc-az::-webkit-scrollbar { display: none; }
    .lc-az .tb-chip { flex: none; min-width: 34px; min-height: 34px; }
    .lc-item { padding: 10px; }
    .lc-actions { width: 100%; }
    .lc-actions .tb-btn { flex: 1; }
}