/* Scoped to the classification browser; the shared navigation is unchanged. */
.classification-browser-page .directory-page { background: #fff; }
.classification-browser-page .directory-hero h1 { font-size: clamp(2rem, 3.6vw, 3rem); }
.classification-browser { color: #263546; }
.classification-browser .directory-heading { padding-bottom: 20px; margin-bottom: 24px; border-bottom: 1px solid #dce3e8; }
.classification-browser .directory-heading h2 { margin-bottom: 0; }
.classification-browser .classification-search-row { display: flex; align-items: stretch; gap: 12px; }
.classification-browser .classification-search { min-width: 0; box-sizing: border-box; }
.classification-browser .classification-clear {
    flex: 0 0 auto; width: auto !important; min-height: 44px; margin: 0; padding: 0 18px;
    border: 1px solid #bfcbd2; border-radius: 6px; background: #fff; color: #385364;
    font: inherit; cursor: pointer;
}
.classification-browser [hidden] { display: none !important; }
.classification-browser .classification-count { min-height: 1.7em; margin: 14px 0 24px; line-height: 1.7; }
.classification-browser .classification-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 36px; align-items: start; }
.classification-browser .classification-main-heading { font-size: .85rem; color: #5e7180; margin: 0 0 12px; font-weight: 500; }
.classification-browser .classification-main-categories { display: grid; gap: 6px; }
.classification-browser .classification-main-button {
    display: flex; align-items: baseline; justify-content: flex-start; gap: 13px; width: 100%; min-width: 0; margin: 0;
    padding: 15px 16px; min-height: 50px; border: 1px solid transparent; border-radius: 5px;
    text-align: left; background: #f5f7f9; color: #35485a; font: inherit; line-height: 1.6; cursor: pointer;
}
.classification-browser .classification-main-button:hover { background: #eaf0f4; }
.classification-browser .classification-main-button[aria-pressed="true"] { color: #173d5c; background: #e8f0f7; border-color: #bed1e1; font-weight: 600; }
.classification-browser .classification-main-name,
.classification-browser .classification-branch-name,
.classification-browser .classification-leaf-name { min-width: 0; overflow-wrap: anywhere; }
.classification-browser .classification-tree-results { min-width: 0; }
.classification-browser .classification-tree-section + .classification-tree-section { margin-top: 34px; }
.classification-browser .classification-tree-heading { margin: 0 0 8px; font-size: 1.25rem; line-height: 1.6; color: #172d43; overflow-wrap: anywhere; }
.classification-browser .classification-tree-meta { margin: 0 0 20px; color: #6b7d8a; font-size: .85rem; }
.classification-browser .classification-tree-code { flex: 0 0 auto; color: #52718a; font: 500 .82rem/1.6 var(--ws-font-mono, monospace); }
.classification-browser .classification-branch { border-top: 1px solid #dce4eb; }
.classification-browser .classification-branch:last-child { border-bottom: 1px solid #dce4eb; }
.classification-browser .classification-branch-summary {
    position: relative; display: flex; gap: 12px; align-items: baseline; padding: 19px 28px 19px 0;
    font-size: .96rem; line-height: 1.6; color: #28465e; cursor: pointer; list-style: none;
}
.classification-browser .classification-branch-summary::-webkit-details-marker { display: none; }
.classification-browser .classification-branch-summary::after { content: "+"; position: absolute; right: 3px; top: 18px; color: #53718a; font-size: 1.15rem; }
.classification-browser .classification-branch[open] > .classification-branch-summary::after { content: "−"; }
.classification-browser .classification-branch-summary:focus-visible { outline: 2px solid #9a6534; outline-offset: 3px; }
.classification-browser .classification-branch-name { flex: 1 1 auto; font-weight: 600; }
.classification-browser .classification-branch-count { flex: 0 0 auto; color: #738290; font-size: .76rem; }
.classification-browser .classification-leaves { list-style: none; padding: 0 0 13px 29px; margin: 0; }
.classification-browser .classification-leaves li { padding: 0; margin: 0; }
.classification-browser .classification-leaf-link {
    display: flex; align-items: baseline; gap: 14px; min-height: 44px; box-sizing: border-box;
    padding: 11px 14px; border-radius: 4px; color: #42566a; text-decoration: none; font-size: .9rem; line-height: 1.65;
}
.classification-browser .classification-leaf-link:hover { color: #173d5c; background: #f0f5f8; }
.classification-browser .classification-leaf-name { flex: 1 1 auto; }
.classification-browser .classification-leaf-arrow { flex: 0 0 auto; color: #6a8397; }
.classification-browser .classification-no-results { margin: 0; padding: 36px 24px; background: #f5f7f9; color: #637686; line-height: 1.8; }
.classification-browser-page #directory,
.classification-browser-page #classification-search { scroll-margin-top: calc(var(--ws-header-height, 130px) + 24px); }
@media (max-width: 900px) {
    .classification-browser .classification-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; }
    .classification-browser .classification-main-categories { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .classification-browser .classification-main-button { font-size: .88rem; }
}
@media (max-width: 600px) {
    .classification-browser .classification-branch-summary { flex-wrap: wrap; gap: 6px 10px; padding-top: 16px; padding-bottom: 16px; }
    .classification-browser .classification-branch-name { flex: 1 1 calc(100% - 60px); }
    .classification-browser .classification-branch-count { padding-left: 33px; }
    .classification-browser .classification-leaves { padding-left: 8px; }
    .classification-browser .classification-leaf-link { gap: 10px; padding-right: 4px; padding-left: 5px; }
    .classification-browser .classification-clear { padding: 0 12px; font-size: .85rem; }
    .classification-browser .classification-main-button { padding: 12px 10px; gap: 8px; }
}
@media (max-width: 380px) {
    .classification-browser .classification-main-categories { grid-template-columns: minmax(0, 1fr); }
}