/* json_formatter — tool-specific design (dark IDE: graphite panes, syntax colors, status bar). Shared: nav, footer, ad script only. */
body[data-tool="json_formatter"] {
  --jf-bg: #0E1014; --jf-pane: #151820; --jf-pane2: #1B1F29; --jf-line: #272C38; --jf-ink: #E7EAF0; --jf-ink2: #A9B0BF; --jf-mute: #6E7687;
  --jf-acc: #3DDC97; --jf-bad: #FF6B6B; --c-k: #7CC4FA; --c-s: #A5E075; --c-n: #FFB86B; --c-b: #C792EA; --c-nl: #8B93A7;
  --jf-mono: "Fira Code", ui-monospace, Menlo, monospace; --jf-sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--jf-bg); color: var(--jf-ink); font-family: var(--jf-sans);
}
body[data-tool="json_formatter"] .dt-nav { background: #0A0B0E; border-bottom: 1px solid var(--jf-line); }
body[data-tool="json_formatter"] .dt-nav .navbar-brand, body[data-tool="json_formatter"] .dt-nav .nav-link { color: #fff; }
body[data-tool="json_formatter"] .dt-nav .nav-link:hover { background: rgba(255,255,255,.06); color: #fff; }
body[data-tool="json_formatter"] .dt-footer { background: #0A0B0E; color: var(--jf-mute); border-top: 1px solid var(--jf-line); }
body[data-tool="json_formatter"] .dt-footer a { color: var(--jf-ink2); }
.dt-bare { display: block; width: 100%; flex: 1; }
.jfx { max-width: 1280px; margin: 0 auto; padding: 30px 20px 64px; }
.jf-hero h1 { margin: 0; font-size: 44px; line-height: 1.1; font-weight: 700; letter-spacing: -.02em; }
.jf-hero h1::before { content: "{ }"; font-family: var(--jf-mono); color: var(--jf-acc); margin-right: 14px; font-size: 36px; }
.jf-hero p { margin: 8px 0 0; color: var(--jf-ink2); font-size: 17px; }

.jf { margin-top: 22px; border: 1px solid var(--jf-line); border-radius: 12px; overflow: hidden; background: var(--jf-pane); }
.jf-bar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; padding: 10px 12px; background: var(--jf-pane2); border-bottom: 1px solid var(--jf-line); }
.jf-grp { display: inline-flex; gap: 6px; align-items: center; }
.jf button, .jf-file { border: 1px solid var(--jf-line); background: #20252F; color: var(--jf-ink); font: inherit; font-size: 13.5px; font-weight: 600; padding: 6px 12px; border-radius: 7px; cursor: pointer; }
.jf button:hover, .jf-file:hover { border-color: #3A4152; }
.jf .jf-go { background: var(--jf-acc); border-color: var(--jf-acc); color: #062B1C; }
.jf-seg span { font-size: 13px; color: var(--jf-mute); margin-right: 2px; }
.jf-seg button[aria-pressed="true"] { background: var(--jf-ink); color: #0E1014; border-color: var(--jf-ink); }
.jf-chk { display: inline-flex; gap: 6px; align-items: center; font-size: 13.5px; color: var(--jf-ink2); }
.jf-chk input { accent-color: var(--jf-acc); }
.jf-file { position: relative; overflow: hidden; }
.jf-file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.jf-panes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.jf-pane { display: flex; flex-direction: column; min-width: 0; }
.jf-pane + .jf-pane { border-left: 1px solid var(--jf-line); }
.jf-ph { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; font-size: 13px; color: var(--jf-mute); border-bottom: 1px solid var(--jf-line); }
.jf-ph b { color: var(--jf-ink2); letter-spacing: .06em; text-transform: uppercase; font-size: 12px; }
.jf-ph span { display: inline-flex; gap: 6px; }
.jf-ph button, .jf-ph .jf-file { padding: 4px 10px; font-size: 12.5px; }
#jfIn, .jf-out, .jf-treew { height: 560px; }
#jfIn { width: 100%; resize: vertical; border: 0; outline: none; background: var(--jf-pane); color: var(--jf-ink); font-family: var(--jf-mono); font-size: 13.5px; line-height: 1.6; padding: 14px 16px; tab-size: 2; white-space: pre; }
.jf-out { margin: 0; overflow: auto; padding: 14px 16px; font-family: var(--jf-mono); font-size: 13.5px; line-height: 1.6; color: var(--jf-ink); white-space: pre; tab-size: 2; }
.jf-out i, .jf-tree i { font-style: normal; }
.jf-out .k, .jf-tree .tk { color: var(--c-k); font-weight: 500; } .jf-out .s, .jf-tree .s { color: var(--c-s); } .jf-out .n, .jf-tree .n { color: var(--c-n); } .jf-out .b, .jf-tree .b { color: var(--c-b); } .jf-out .nl, .jf-tree .nl { color: var(--c-nl); }
.jf-treew { display: flex; flex-direction: column; overflow: hidden; }
.jf-treebar { display: flex; gap: 6px; padding: 8px 12px; border-bottom: 1px solid var(--jf-line); }
.jf-treebar button { padding: 4px 10px; font-size: 12.5px; }
.jf-tree { overflow: auto; flex: 1; padding: 10px 12px; font-family: var(--jf-mono); font-size: 13.5px; line-height: 1.7; }
.jf-tree details { padding-left: 16px; }
.jf-tree > details { padding-left: 0; }
.jf-tree summary { cursor: pointer; list-style: none; position: relative; }
.jf-tree summary::-webkit-details-marker { display: none; }
.jf-tree summary::before { content: "▸"; position: absolute; left: -14px; color: var(--jf-mute); }
.jf-tree details[open] > summary::before { content: "▾"; }
.jf-tree summary em { font-style: normal; color: var(--jf-mute); font-size: 12px; margin: 0 6px; }
.jf-tree details[open] > summary .tc, .jf-tree details[open] > summary em { display: none; }
.jf-tree .tl { padding-left: 16px; white-space: nowrap; }
.jf-tree .tch { border-left: 1px dashed var(--jf-line); margin-left: 4px; }
.jf-tree .tb { color: var(--jf-ink2); }
.tmore { color: var(--jf-mute); }
body[data-view="code"] .only-tree, body[data-view="tree"] .only-code, body:not([data-view]) .only-tree { display: none !important; }
.jf-status { padding: 10px 14px; font-size: 14px; font-weight: 600; border-top: 1px solid var(--jf-line); color: var(--jf-ink2); }
.jf-status.ok { color: var(--jf-acc); background: rgba(61,220,151,.07); }
.jf-status.bad { color: var(--jf-bad); background: rgba(255,107,107,.08); }
.jf-errline { display: flex; gap: 12px; padding: 10px 14px; border-top: 1px solid var(--jf-line); font-family: var(--jf-mono); font-size: 13px; overflow-x: auto; }
.jf-errline span { color: var(--jf-mute); }
.jf-errline code { white-space: pre; color: var(--jf-ink2); }
.jf-errline mark { background: var(--jf-bad); color: #fff; border-radius: 3px; padding: 0 2px; }

.jf-adwrap { margin: 40px 0 8px; }
.jf-article, .jf-faq, .jf-more { max-width: 800px; margin: 0 auto; }
.jf-article { margin-top: 44px; font-size: 17px; line-height: 1.75; color: var(--jf-ink2); }
.jf-article h2, .jf-faq h2, .jf-more h2 { font-size: 30px; line-height: 1.2; font-weight: 700; letter-spacing: -.01em; color: var(--jf-ink); margin: 52px 0 12px; }
.jf-article h2:first-child { margin-top: 0; }
.jf-article p { margin: 0 0 14px; } .jf-article b { color: var(--jf-ink); }
.jf-article ul, .jf-article ol { padding-left: 1.2em; } .jf-article li { margin: 7px 0; }
.jf-article code { font-family: var(--jf-mono); font-size: 14px; color: var(--c-s); background: var(--jf-pane2); border: 1px solid var(--jf-line); border-radius: 5px; padding: 1px 6px; }
.jf-table { overflow-x: auto; margin: 16px 0; border: 1px solid var(--jf-line); border-radius: 10px; }
.jf-table table { width: 100%; border-collapse: collapse; font-size: 15px; }
.jf-table th { text-align: left; padding: 10px 12px; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--jf-mute); background: var(--jf-pane2); border-bottom: 1px solid var(--jf-line); }
.jf-table td { padding: 9px 12px; border-bottom: 1px solid var(--jf-line); color: var(--jf-ink); vertical-align: top; }
.jf-table tr:last-child td { border-bottom: 0; }
.jf-table td:first-child { font-weight: 600; white-space: nowrap; }
.jf-table code { white-space: nowrap; }
.jf-q { border-bottom: 1px solid var(--jf-line); }
.jf-q summary { list-style: none; cursor: pointer; padding: 16px 32px 16px 0; position: relative; font-size: 18px; font-weight: 600; color: var(--jf-ink); }
.jf-q summary::-webkit-details-marker { display: none; }
.jf-q summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 24px; color: var(--jf-acc); }
.jf-q[open] summary::after { content: "\2212"; }
.jf-q p { margin: 0 0 18px; font-size: 17px; line-height: 1.7; color: var(--jf-ink2); }
.jf-more > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.jf-more a { display: block; text-decoration: none; padding: 14px 16px; border: 1px solid var(--jf-line); border-radius: 10px; background: var(--jf-pane); color: var(--jf-ink); }
.jf-more a:hover { border-color: var(--jf-acc); }
.jf-more b { display: block; font-size: 16px; } .jf-more span { display: block; font-size: 14px; color: var(--jf-mute); margin-top: 2px; }

@media (max-width: 900px) {
  .jf-panes { grid-template-columns: minmax(0, 1fr); }
  .jf-pane + .jf-pane { border-left: 0; border-top: 1px solid var(--jf-line); }
  #jfIn, .jf-out, .jf-treew { height: 340px; }
}
@media (max-width: 640px) {
  .jfx { padding: 22px 12px 48px; }
  .jf-hero h1 { font-size: 32px; } .jf-hero h1::before { font-size: 26px; margin-right: 8px; }
  .jf-bar { gap: 8px; }
  .jf-article { font-size: 16px; }
  .jf-article h2, .jf-faq h2, .jf-more h2 { font-size: 25px; margin-top: 40px; }
  .jf-more > div { grid-template-columns: minmax(0, 1fr); }
}
.jf-tree .tclose { color: var(--jf-ink2); }