/* ===========================================================
   JSONFormatting.org — shared site theme (blue / white / navy)
   =========================================================== */
:root{
  --bg:#f4f7fc;
  --surface:#ffffff;
  --border:#dfe7f3;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-mid:#3b82f6;
  --primary-light:#eff6ff;
  --text:#0f172a;
  --muted:#64748b;
  --error:#dc2626;
  --error-bg:#fef2f2;
  --success:#16a34a;
  --success-bg:#f0fdf4;
  --warning:#b45309;
  --warning-bg:#fffbeb;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 2px 6px rgba(15,23,42,.05), 0 10px 26px rgba(15,23,42,.05);
  --shadow-lg:0 18px 44px rgba(15,23,42,.14);
  --hero-grad:linear-gradient(135deg,#1e3a8a 0%,#2049c9 42%,#2563eb 75%,#3b82f6 100%);
  --footer-grad:linear-gradient(180deg,#101a30,#0a1120);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100%;
  font-family:Inter,system-ui,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:var(--primary)}
h1,h2,h3,h4{line-height:1.25}
code,pre,textarea,.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
::selection{background:#bfdbfe}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container{max-width:1280px;margin:0 auto;padding:0 20px}
.page-wrap{padding-bottom:40px}
.narrow{max-width:900px}

/* ---------- Site header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1280px;margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--text)}
.brand .logo{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-mid));
  box-shadow:0 4px 12px rgba(37,99,235,.35);
  display:grid;place-items:center;color:#fff;font-weight:800;flex:none;
}
.brand-text{font-weight:700;font-size:16px;white-space:nowrap}
.brand-text span{color:var(--muted);font-weight:500}

.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.site-nav > a{
  color:var(--text);text-decoration:none;font-size:14px;font-weight:600;
  padding:9px 12px;border-radius:8px;white-space:nowrap;transition:background .12s,color .12s;
}
.site-nav > a:hover{background:var(--primary-light);color:var(--primary)}
.site-nav > a.current{color:var(--primary);background:var(--primary-light)}

.nav-dropdown{position:relative}
.nav-dropdown summary{
  list-style:none;cursor:pointer;color:var(--text);font-size:14px;font-weight:600;
  padding:9px 12px;border-radius:8px;display:flex;align-items:center;gap:5px;user-select:none;
  transition:background .12s,color .12s;
}
.nav-dropdown summary::-webkit-details-marker{display:none}
.nav-dropdown summary:hover{background:var(--primary-light);color:var(--primary)}
.nav-dropdown[open] summary{background:var(--primary-light);color:var(--primary)}
.caret-ic{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .15s}
.nav-dropdown[open] .caret-ic{transform:rotate(-135deg) translateY(1px)}

.dropdown-panel{
  position:absolute;right:0;top:calc(100% + 10px);
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);padding:20px;
  display:grid;grid-template-columns:repeat(3,190px);gap:20px;
  z-index:60;
}
.dropdown-col h4{margin:0 0 10px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);display:flex;align-items:center;gap:7px}
.cat-dot{width:8px;height:8px;border-radius:50%;flex:none}
.dropdown-col a{display:block;padding:6px 8px;margin:0 -8px;border-radius:7px;color:var(--text);text-decoration:none;font-size:13.5px;transition:background .12s,color .12s}
.dropdown-col a:hover{background:var(--primary-light);color:var(--primary)}
.dropdown-col a.current-link{color:var(--primary);font-weight:700;background:var(--primary-light)}
@media(max-width:1100px){
  .dropdown-panel{grid-template-columns:repeat(2,190px);right:-60px;max-width:92vw}
}
@media(max-width:640px){
  .dropdown-panel{grid-template-columns:1fr 1fr;position:fixed;left:12px;right:12px;top:auto}
  .brand-text{font-size:14px}
  .site-nav > a{padding:8px 9px;font-size:13px}
}

/* ---------- Hero band ---------- */
.hero-band{
  position:relative;
  overflow:hidden;
  background:var(--hero-grad);
  color:#fff;
}
.hero-decor{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero-decor::before,.hero-decor::after{
  content:'';position:absolute;border-radius:50%;filter:blur(70px);opacity:.38;
}
.hero-decor::before{width:360px;height:360px;background:#60a5fa;top:-170px;right:-40px}
.hero-decor::after{width:280px;height:280px;background:#818cf8;bottom:-150px;left:-40px}
.hero-band .container{position:relative;z-index:1}

.page-hero{padding:38px 0 32px}
.eyebrow{color:#bfdbfe;font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 10px}
.page-hero h1{font-size:30px;margin:0 0 10px;color:#fff;letter-spacing:-.01em}
.page-hero .lead{color:#dbeafe;font-size:16px;max-width:760px;margin:0}
.breadcrumb{font-size:13px;color:#bfdbfe;margin:18px 0 0}
.breadcrumb a{color:#e0e7ff;text-decoration:none}
.breadcrumb a:hover{color:#fff}
@media(max-width:640px){
  .page-hero{padding:30px 0 26px}
  .page-hero h1{font-size:25px}
  .page-hero .lead{font-size:14.5px}
}

/* ---------- Cards / layout ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-body{padding:20px}
.card-body.tight{padding:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:1000px){.grid-2,.grid-3{grid-template-columns:1fr}}

.section{margin-top:32px}
.section h2{font-size:21px;margin:0 0 12px;position:relative;padding-left:15px}
.section h2::before{content:'';position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--primary-mid))}
.section h3{font-size:16.5px;margin:20px 0 8px;color:var(--text)}
.section p{color:var(--muted);font-size:15px}
.section ul,.section ol{color:var(--muted);font-size:15px;padding-left:22px}
.section li{margin-bottom:6px}
.section li strong{color:var(--text)}

/* ---------- Forms ---------- */
label{font-size:13px;color:var(--muted);display:block;margin-bottom:6px;font-weight:600}
textarea,input[type=text],input[type=number],input[type=search],input[type=date],input[type=time],select{
  width:100%;box-sizing:border-box;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:11px 12px;font-size:14px;background:#fff;color:var(--text);
  transition:border-color .12s, box-shadow .12s;
}
textarea:focus,input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12);outline:none}
textarea{height:420px;resize:vertical;overflow:auto}
textarea.short{height:160px}
textarea.tiny{height:100px}
textarea.error,input.error{border-color:var(--error);animation:shake .35s ease-in-out}
@keyframes shake{0%{transform:translateX(0)}25%{transform:translateX(-4px)}50%{transform:translateX(4px)}75%{transform:translateX(-4px)}100%{transform:translateX(0)}}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--primary)}
.field{margin-bottom:14px}
.inline-field{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);font-weight:500}
.field-row{display:flex;gap:12px;flex-wrap:wrap}
.field-row > div{flex:1;min-width:140px}

/* ---------- Buttons ---------- */
button{border:0;border-radius:var(--radius-sm);padding:10px 14px;font-weight:600;cursor:pointer;font-size:14px;font-family:inherit;transition:transform .12s,box-shadow .12s,filter .12s,background .12s,color .12s,border-color .12s}
button.primary{background:linear-gradient(135deg,var(--primary),var(--primary-mid));color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.32)}
button.primary:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(37,99,235,.4);filter:brightness(1.03)}
button.primary:active{transform:translateY(0)}
button.active{background:linear-gradient(135deg,var(--primary),var(--primary-mid));color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.32)}
.secondary{background:#fff;color:var(--primary);border:1.5px solid var(--border)}
.secondary:hover{border-color:var(--primary);background:var(--primary-light)}
.ghost{background:transparent;color:var(--muted)}
.ghost:hover{color:var(--primary);background:var(--primary-light)}
.small{padding:6px 10px;font-size:13px}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}

/* ---------- Toolbar / result panel ---------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);gap:10px;flex-wrap:wrap;background:var(--primary-light);border-radius:var(--radius) var(--radius) 0 0}
.result{height:420px;overflow:auto;padding:16px;white-space:pre-wrap;word-break:break-word}
.result.short{height:160px}
.node{font-family:ui-monospace,Menlo,monospace;font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.item{padding-left:14px}
.caret{cursor:pointer;user-select:none;width:14px;display:inline-block}
.key{color:#475569}
.meta{font-size:12px;color:var(--muted)}
.msg-error{color:var(--error);background:var(--error-bg);border:1px solid #fecaca;padding:10px 12px;border-radius:9px;font-size:13.5px}
.msg-success{color:var(--success);background:var(--success-bg);border:1px solid #bbf7d0;padding:10px 12px;border-radius:9px;font-size:13.5px}
.msg-warning{color:var(--warning);background:var(--warning-bg);border:1px solid #fde68a;padding:10px 12px;border-radius:9px;font-size:13.5px}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;font-size:13.5px}
table th,table td{border:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}
table th{background:var(--primary-light);color:var(--text);font-weight:700}
table.compact th,table.compact td{padding:6px 8px;font-size:13px}
.table-scroll{overflow:auto;max-height:420px;border:1px solid var(--border);border-radius:var(--radius-sm)}
.table-scroll table{border:0}
.table-scroll th{position:sticky;top:0}

/* ---------- Diff highlighting ---------- */
.diff-added{background:var(--success-bg);border-left:3px solid var(--success)}
.diff-removed{background:var(--error-bg);border-left:3px solid var(--error)}
.diff-changed{background:var(--warning-bg);border-left:3px solid var(--warning)}
.diff-row{padding:8px 10px;margin-bottom:6px;border-radius:6px;font-size:13px;font-family:ui-monospace,Menlo,monospace}
.diff-path{font-weight:700;color:var(--text);margin-bottom:2px;display:block}
.diff-badge{display:inline-block;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;padding:1px 7px;border-radius:20px;margin-right:8px}
.diff-badge.added{background:var(--success);color:#fff}
.diff-badge.removed{background:var(--error);color:#fff}
.diff-badge.changed{background:var(--warning);color:#fff}

/* ---------- FAQ accordion ---------- */
.faq{margin-top:12px}
.faq-item{border:1px solid var(--border);border-radius:10px;margin-bottom:10px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:#f8fbff;border:0;padding:12px 14px;font-weight:600;cursor:pointer;color:var(--text);font-size:14.5px}
.faq-q::after{content:'+';float:right;color:var(--muted)}
.faq-q.active::after{content:'\2212'}
.faq-a{display:none;padding:12px 14px;color:var(--muted);font-size:14px;line-height:1.6;background:#fff}

/* ---------- Badges / pills ---------- */
.pill{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:20px;background:var(--primary-light);color:var(--primary)}
.pill.gray{background:#f1f5f9;color:var(--muted)}
.pill.cat-blue{background:#eff6ff;color:#2563eb}
.pill.cat-indigo{background:#eef2ff;color:#4f46e5}
.pill.cat-sky{background:#e0f2fe;color:#0284c7}
.pill.cat-teal{background:#ccfbf1;color:#0d9488}
.pill.cat-violet{background:#f3e8ff;color:#7c3aed}
.pill.cat-slate{background:#f1f5f9;color:#475569}
.pill.cat-amber{background:#fef3c7;color:#b45309}
.pill.cat-rose{background:#ffe4e6;color:#e11d48}
.cat-dot.cat-blue{background:#2563eb}
.cat-dot.cat-indigo{background:#4f46e5}
.cat-dot.cat-sky{background:#0284c7}
.cat-dot.cat-teal{background:#0d9488}
.cat-dot.cat-violet{background:#7c3aed}
.cat-dot.cat-slate{background:#475569}
.cat-dot.cat-amber{background:#b45309}
.cat-dot.cat-rose{background:#e11d48}

/* ---------- Tool directory (tools.html + footer sitemap) ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.tool-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.tool-grid{grid-template-columns:1fr}}
.tool-card{
  display:block;background:var(--surface);border:1px solid var(--border);border-top:3px solid var(--border);border-radius:var(--radius);
  padding:16px;text-decoration:none;color:var(--text);box-shadow:var(--shadow);height:100%;
  transition:transform .14s ease, box-shadow .14s ease, border-color .14s ease;
}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.tool-card.cat-blue{border-top-color:#2563eb}
.tool-card.cat-blue:hover{border-color:#2563eb;border-top-color:#2563eb}
.tool-card.cat-indigo{border-top-color:#4f46e5}
.tool-card.cat-indigo:hover{border-color:#4f46e5;border-top-color:#4f46e5}
.tool-card.cat-sky{border-top-color:#0284c7}
.tool-card.cat-sky:hover{border-color:#0284c7;border-top-color:#0284c7}
.tool-card.cat-teal{border-top-color:#0d9488}
.tool-card.cat-teal:hover{border-color:#0d9488;border-top-color:#0d9488}
.tool-card.cat-violet{border-top-color:#7c3aed}
.tool-card.cat-violet:hover{border-color:#7c3aed;border-top-color:#7c3aed}
.tool-card.cat-slate{border-top-color:#475569}
.tool-card.cat-slate:hover{border-color:#475569;border-top-color:#475569}
.tool-card.cat-amber{border-top-color:#b45309}
.tool-card.cat-amber:hover{border-color:#b45309;border-top-color:#b45309}
.tool-card.cat-rose{border-top-color:#e11d48}
.tool-card.cat-rose:hover{border-color:#e11d48;border-top-color:#e11d48}
.tool-card h3{margin:0 0 6px;font-size:15.5px;color:var(--text)}
.tool-card p{margin:0;font-size:13px;color:var(--muted);line-height:1.5}
.tool-card .pill{margin-bottom:8px}

/* ---------- Footer (dark navy) ---------- */
.site-footer{margin-top:64px;background:var(--footer-grad);color:#cbd5e1}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:40px 0 22px}
.footer-col h4{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:#93c5fd;margin:0 0 12px}
.footer-col a{display:block;color:#e2e8f0;text-decoration:none;font-size:13.5px;margin-bottom:9px;transition:color .12s}
.footer-col a:hover{color:#fff}
.footer-brand h4{color:#fff;font-size:15px;text-transform:none;letter-spacing:0}
.footer-brand p{color:#94a3b8;font-size:13px;line-height:1.6;max-width:260px}
@media(max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:12.5px;color:#94a3b8}
.footer-bottom .legal-links a{color:#cbd5e1;text-decoration:none;margin-right:14px;transition:color .12s}
.footer-bottom .legal-links a:hover{color:#fff}

.footer-guides{border-top:1px solid rgba(255,255,255,.08);padding:22px 0}
.footer-guides h4{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:#93c5fd;margin:0 0 12px}
.footer-guides-links{display:flex;flex-wrap:wrap;gap:8px 20px}
.footer-guides-links a{color:#e2e8f0;text-decoration:none;font-size:13px;transition:color .12s;white-space:nowrap}
.footer-guides-links a:hover{color:#fff}
.footer-guides-links a.view-all{color:#93c5fd;font-weight:600}
.footer-guides-links a.view-all:hover{color:#fff}
@media(max-width:700px){.footer-guides-links a{white-space:normal}}
.disclaimer{font-size:12px;line-height:1.6;color:#64748b;max-width:1000px;margin-top:10px}

/* ---------- Simple content pages (about/privacy/terms) ---------- */
.doc-page{max-width:820px;margin:0 auto;padding:36px 20px 60px}
.doc-page h2{color:var(--primary);font-size:19px;margin-top:30px}
.doc-page p,.doc-page li{color:var(--muted);font-size:15px;line-height:1.7}
.doc-page .updated{color:var(--muted);font-size:13px;margin-bottom:24px}
.back-link{display:inline-flex;align-items:center;gap:6px;margin:24px 0 8px;color:var(--primary);text-decoration:none;font-weight:600;font-size:14px}

/* ---------- Articles / Guides ---------- */
.article-meta{display:flex;align-items:center;gap:10px;margin:6px 0 26px;flex-wrap:wrap}
.article-meta .pill{margin:0}
.article-meta .sep{color:var(--border)}
.article-body h2{color:var(--text);font-size:20px;margin-top:34px;position:relative;padding-left:15px}
.article-body h2::before{content:'';position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--primary-mid))}
.article-body h3{color:var(--text);font-size:16.5px;margin-top:22px}
.article-body p,.article-body li{color:var(--muted);font-size:15.5px;line-height:1.75}
.article-body ul,.article-body ol{padding-left:22px}
.article-body li{margin-bottom:7px}
.article-body li strong,.article-body p strong{color:var(--text)}
.article-body code{background:#f1f5f9;border-radius:5px;padding:1px 6px;font-size:13.5px;color:#0f172a}
.article-body pre{background:#0f172a;color:#e2e8f0;border-radius:var(--radius-sm);padding:16px;overflow:auto;font-size:13px;line-height:1.6;margin:16px 0}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body blockquote{margin:18px 0;padding:12px 18px;border-left:3px solid var(--primary);background:var(--primary-light);color:var(--text);font-size:15px;border-radius:0 8px 8px 0}
.related-tools{background:var(--primary-light);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin:30px 0}
.related-tools h4{margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--primary)}
.related-tools .tool-links{display:flex;flex-wrap:wrap;gap:10px}
.related-tools a.rt-link{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--border);border-radius:20px;padding:7px 14px;font-size:13.5px;font-weight:600;color:var(--primary);text-decoration:none;transition:border-color .12s,transform .12s}
.related-tools a.rt-link:hover{border-color:var(--primary);transform:translateY(-1px)}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.article-nav a{flex:1;text-decoration:none;color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;font-size:13.5px;transition:border-color .12s}
.article-nav a:hover{border-color:var(--primary)}
.article-nav a.next{text-align:right}
.article-nav a.prev{text-align:left}
.article-nav .dir{display:block;color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}
.article-nav .atitle{font-weight:600;font-size:14px}
@media(max-width:600px){.article-nav{flex-direction:column}}

/* ---------- Misc utility ---------- */
.stack{display:flex;flex-direction:column;gap:10px}
.hr{border:0;border-top:1px solid var(--border);margin:22px 0}
.kbd{font-family:ui-monospace,Menlo,monospace;background:#f1f5f9;border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-size:12px}
.copy-ok{color:var(--success);font-size:12.5px;margin-left:6px}
.stat-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:10px}
.stat{background:var(--primary-light);border-radius:10px;padding:10px 16px;text-align:center;min-width:100px}
.stat .num{font-size:20px;font-weight:800;color:var(--primary)}
.stat .label{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}