:root {
  color-scheme: light;
  --ink: #18242a;
  --muted: #637179;
  --line: #dce3df;
  --paper: #f7f8f4;
  --card: #ffffff;
  --accent: #ba4d2f;
  --accent-dark: #80331f;
  --green: #0f665c;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.6 Georgia, serif; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.shell { width: min(1120px, calc(100% - 36px)); margin: 0 auto; padding: 56px 0 80px; }
.hero { max-width: 720px; margin-bottom: 34px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font: 700 12px/1.2 Arial, sans-serif; letter-spacing: .14em; }
h1, h2, h3 { margin: 0; line-height: 1.1; }
h1 { font-size: clamp(52px, 9vw, 94px); letter-spacing: -.06em; }
h2 { font-size: 28px; }
.intro { margin: 16px 0 0; color: var(--muted); font-size: 20px; }
.search-panel { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); box-shadow: 0 18px 42px #17332a0b; }
label { display: block; margin-bottom: 10px; font: 700 13px Arial, sans-serif; }
.search-row { display: grid; grid-template-columns: 1fr 110px; gap: 10px; }
input, select { min-width: 0; border: 1px solid var(--line); border-radius: 10px; padding: 13px 14px; color: var(--ink); background: #fbfcfa; }
.input-shell { display: flex; min-width: 0; align-items: center; border: 1px solid var(--line); border-radius: 10px; background: #fbfcfa; }
.input-shell:focus-within { border-color: #3974d3; box-shadow: 0 0 0 2px #3974d326; }
.input-shell input { width: 100%; border: 0; outline: 0; background: transparent; }
.mode-toggle { display: flex; flex: 0 0 auto; gap: 2px; margin-left: 6px; padding: 3px; border-radius: 8px; background: #e9efec; }
.mode-toggle button { padding: 6px 9px; border-radius: 6px; color: var(--muted); background: transparent; font: 700 12px Arial, sans-serif; white-space: nowrap; }
.mode-toggle button.active { color: #fff; background: var(--green); }
button { border: 0; border-radius: 10px; padding: 12px 16px; color: #fff; background: var(--green); }
button:hover { background: #0a5048; }
.unicode-preview { min-height: 1.6em; margin: 8px 0 0 4px; color: var(--muted); font-size: 15px; }
.nature-browser { margin: 18px 0 28px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); }
.nature-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.nature-heading .eyebrow { margin-bottom: 7px; }
.nature-heading h2 { font-size: 24px; }
.nature-heading p:last-child { margin: 8px 0 0; color: var(--muted); }
.nature-index-search { max-width: 680px; margin: 20px 0 14px; }
.nature-index-search .input-shell input { width: 100%; min-height: 52px; }
.nature-index-search .unicode-preview:empty { display: none; }
.nature-suggestions { display: grid; gap: 5px; margin: 8px 0 16px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: #fbfcfa; }
.nature-suggestions[hidden] { display: none; }
.nature-suggestions-heading { margin: 2px 6px 4px; color: var(--muted); font: 700 12px Arial, sans-serif; }
.nature-suggestion { display: flex; justify-content: space-between; gap: 12px; padding: 9px 10px; border: 1px solid transparent; color: var(--ink); background: transparent; text-align: left; }
.nature-suggestion:hover { color: var(--green); background: #edf4f1; }
.nature-suggestion span:last-child { color: var(--muted); font: 12px Arial, sans-serif; }
.nature-more { padding: 8px 12px; font: 700 12px Arial, sans-serif; }
.nature-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin: 18px 0 12px; color: var(--muted); font: 13px Arial, sans-serif; }
.nature-breadcrumb button { padding: 3px 0; color: var(--green); background: transparent; font: inherit; }
.nature-breadcrumb button:hover { color: var(--accent-dark); background: transparent; text-decoration: underline; }
.nature-options, .nature-leaves { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.nature-option, .nature-leaf, .nature-group-option { min-width: 0; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: #fbfcfa; text-align: left; }
.nature-option, .nature-leaf { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.nature-group-option { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.nature-option:hover, .nature-leaf:hover, .nature-group-option:hover, .nature-option[aria-pressed="true"], .nature-leaf[aria-pressed="true"], .nature-group-option[aria-pressed="true"] { border-color: var(--green); color: var(--green); background: #edf4f1; }
.nature-option span:first-child, .nature-leaf span:first-child { overflow-wrap: anywhere; }
.nature-option span:last-child, .nature-leaf span:last-child { flex: 0 0 auto; color: var(--muted); font: 12px Arial, sans-serif; }
.nature-group-name { font-weight: 700; }
.nature-group-count, .nature-group-examples { color: var(--muted); font: 12px/1.4 Arial, sans-serif; }
.nature-group-action { margin-top: 3px; color: var(--green); font: 700 12px Arial, sans-serif; }
.nature-leaves-title { margin: 20px 0 12px; font-size: 19px; }
.nature-more { display: block; margin: 14px auto 0; }
.nature-more[hidden] { display: none; }
.nature-status { grid-column: 1 / -1; margin: 4px 0; color: var(--muted); font: 14px Arial, sans-serif; }
.results-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin: 28px 0 16px; }
#result-count { color: var(--muted); font: 13px Arial, sans-serif; }
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: -4px 0 16px; }
.active-filters:empty { display: none; }
.active-filter { padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--green); background: #edf4f1; font: 700 12px Arial, sans-serif; }
.active-filter:hover { background: #dceae4; }
.results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.pagination { display: flex; justify-content: center; gap: 10px; margin: 24px 0; }
.pagination button { font: 700 13px Arial, sans-serif; }
.result-card { padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: var(--card); }
.card-top { display: flex; justify-content: space-between; margin-bottom: 14px; color: var(--muted); font: 12px Arial, sans-serif; }
.tag { color: var(--accent-dark); font-weight: 700; }
.result-card h3 { font-size: 23px; }
.result-card p { display: -webkit-box; overflow: hidden; min-height: 76px; margin: 12px 0 16px; color: #4f5d64; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.result-card .case-subtitle { display: block; min-height: 0; margin: 8px 0 0; color: var(--ink); font-size: 17px; font-weight: 700; }
.result-card .case-preview { margin-top: 8px; }
.card-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.result-card button { font: 700 13px Arial, sans-serif; }
.result-card .case-nature-filter { display: inline-flex; align-items: center; padding: 8px 12px; border: 1px solid #c4d9d2; border-radius: 999px; color: var(--green); background: #edf4f1; text-align: left; }
.result-card .case-nature-filter:hover { border-color: var(--green); color: #094c45; background: #dceae4; }
.official-link { color: var(--green); font: 700 13px Arial, sans-serif; text-decoration: none; }
.official-link:hover { text-decoration: underline; }
.empty { padding: 36px; border: 1px dashed var(--line); border-radius: 15px; color: var(--muted); text-align: center; }
.feedback-fab { position: fixed; right: 22px; bottom: 22px; z-index: 5; padding: 11px 16px; border-radius: 999px; box-shadow: 0 8px 24px #071c1633; font: 700 13px Arial, sans-serif; }
.feedback-dialog { width: min(460px, calc(100% - 28px)); }
.feedback-dialog h2 { margin-bottom: 24px; }
.feedback-dialog label { margin-top: 14px; }
.feedback-dialog label span { color: var(--muted); font-weight: 400; }
.feedback-dialog select, .feedback-dialog input, .feedback-dialog textarea { width: 100%; }
.feedback-dialog textarea { resize: vertical; }
.feedback-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.feedback-cancel { color: var(--ink); background: #edf1ee; }
.feedback-cancel:hover { background: #dce5e0; }
.feedback-status { min-height: 1.6em; margin: 12px 0 0; color: var(--muted); font: 13px Arial, sans-serif; }
dialog { width: min(960px, calc(100% - 28px)); max-height: 88vh; padding: 34px; border: 0; border-radius: 18px; color: var(--ink); box-shadow: 0 24px 80px #071c1680; }
dialog::backdrop { background: #071c1666; }
.close { position: absolute; top: 14px; right: 14px; padding: 2px 10px; font: 26px Arial, sans-serif; background: transparent; color: var(--muted); }
.close:hover { color: var(--ink); background: #edf1ee; }
dialog > .official-link { display: inline-block; margin-top: 8px; }
pre { overflow: auto; max-height: 68vh; margin: 24px 0 0; white-space: pre-wrap; font: 16px/1.8 Georgia, serif; }
mark { padding: 0 .12em; border-radius: 3px; background: #ffe36b; color: inherit; }
@media (max-width: 760px) {
  .shell { padding-top: 34px; }
  .search-row, .results { grid-template-columns: 1fr; }
  .nature-browser { padding: 17px; }
  .nature-options, .nature-leaves { grid-template-columns: 1fr; }
  .nature-heading h2 { font-size: 21px; }
  .nature-suggestion { align-items: flex-start; flex-direction: column; gap: 4px; }
  .results-head { display: block; }
  #result-count { display: block; margin-top: 8px; }
  dialog { padding: 26px 20px; }
  .feedback-fab { right: 14px; bottom: 14px; }
}