/* =========================================================================
   anaitool — main stylesheet
   Plain CSS, no build step, no framework. Custom properties drive theming.
   ========================================================================= */

:root {
  --bg:          #ffffff;
  --bg-sub:      #f7f8fa;
  --bg-card:     #ffffff;
  --bg-inset:    #f1f3f7;
  --border:      #e3e6ec;
  --border-soft: #eef0f4;
  --text:        #14181f;
  --text-soft:   #4d5665;
  --text-mute:   #78808f;
  --brand:       #4f46e5;
  --brand-hover: #4338ca;
  --brand-soft:  #eef2ff;
  --accent:      #0891b2;
  --ok:          #047857;
  --ok-soft:     #ecfdf5;
  --warn:        #b45309;
  --warn-soft:   #fffbeb;
  --err:         #b91c1c;
  --err-soft:    #fef2f2;
  --shadow-sm:   0 1px 2px rgba(16,24,40,.05);
  --shadow:      0 2px 8px rgba(16,24,40,.06), 0 1px 2px rgba(16,24,40,.04);
  --shadow-lg:   0 12px 32px rgba(16,24,40,.10), 0 2px 8px rgba(16,24,40,.06);
  --radius:      12px;
  --radius-sm:   8px;
  --wrap:        1180px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:          #0d1117;
    --bg-sub:      #10151d;
    --bg-card:     #141a23;
    --bg-inset:    #1a212c;
    --border:      #242c38;
    --border-soft: #1c232e;
    --text:        #e8ecf2;
    --text-soft:   #a7b1c0;
    --text-mute:   #7d8797;
    --brand:       #818cf8;
    --brand-hover: #a5b4fc;
    --brand-soft:  #1e1b4b;
    --accent:      #22d3ee;
    --ok:          #34d399;
    --ok-soft:     #052e23;
    --warn:        #fbbf24;
    --warn-soft:   #2a1f05;
    --err:         #f87171;
    --err-soft:    #2c1013;
    --shadow-sm:   0 1px 2px rgba(0,0,0,.4);
    --shadow:      0 2px 8px rgba(0,0,0,.4);
    --shadow-lg:   0 12px 32px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"] {
  --bg:#0d1117; --bg-sub:#10151d; --bg-card:#141a23; --bg-inset:#1a212c;
  --border:#242c38; --border-soft:#1c232e;
  --text:#e8ecf2; --text-soft:#a7b1c0; --text-mute:#7d8797;
  --brand:#818cf8; --brand-hover:#a5b4fc; --brand-soft:#1e1b4b; --accent:#22d3ee;
  --ok:#34d399; --ok-soft:#052e23; --warn:#fbbf24; --warn-soft:#2a1f05;
  --err:#f87171; --err-soft:#2c1013;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 2px 8px rgba(0,0,0,.4);
  --shadow-lg:0 12px 32px rgba(0,0,0,.5);
}

*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--brand-hover); }

h1,h2,h3,h4 { line-height: 1.25; font-weight: 700; letter-spacing: -.018em; text-wrap: balance; }
h1 { font-size: clamp(1.85rem, 1.25rem + 2.4vw, 2.85rem); }
h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.75rem); }
h3 { font-size: 1.1rem; }

:where(button, input, select, textarea) { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.narrow { max-width: 760px; }
.visually-hidden {
  position: absolute !important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}
.skip-link {
  position:absolute; left:-9999px; top:0; z-index:200;
  background: var(--brand); color:#fff; padding:10px 16px; border-radius:0 0 8px 0;
}
.skip-link:focus { left:0; color:#fff; }

/* ---------------------------------------------------------------- Header */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display:flex; align-items:center; gap:24px; height:64px; }
.brand { display:inline-flex; align-items:center; gap:9px; font-weight:700; font-size:1.08rem;
         color:var(--text); text-decoration:none; letter-spacing:-.02em; flex-shrink:0; }
.brand-mark { border-radius:8px; }

.main-nav { margin-left:auto; }
.nav-list { display:flex; align-items:center; gap:4px; list-style:none; padding:0; }
.nav-list > li > a, .nav-btn {
  display:inline-flex; align-items:center; gap:5px;
  padding:8px 12px; border-radius:8px; font-size:.925rem; font-weight:500;
  color:var(--text-soft); text-decoration:none; background:none; border:0; cursor:pointer;
  transition: background .15s, color .15s;
}
.nav-list > li > a:hover, .nav-btn:hover { background:var(--bg-inset); color:var(--text); }
.nav-list a[aria-current="page"] { color:var(--brand); background:var(--brand-soft); }

.has-menu { position: static; }
.mega-menu {
  position:absolute; left:50%; transform:translateX(-50%) translateY(-8px);
  top:calc(100% + 1px); width:min(1120px, calc(100vw - 40px));
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow-lg);
  padding:24px; opacity:0; visibility:hidden; transition:opacity .16s, transform .16s, visibility .16s;
}
.has-menu:hover .mega-menu, .has-menu:focus-within .mega-menu, .mega-menu.open {
  opacity:1; visibility:visible; transform:translateX(-50%) translateY(0);
}
.mega-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px 28px; }
.mega-col ul { list-style:none; padding:0; display:grid; gap:1px; }
.mega-head {
  display:block; font-weight:600; font-size:.78rem; letter-spacing:.06em;
  text-transform:uppercase; color:var(--text-mute); margin-bottom:8px; text-decoration:none;
}
.mega-head:hover { color:var(--brand); }
.mega-col a:not(.mega-head) {
  display:block; padding:5px 8px; margin-inline:-8px; border-radius:6px;
  font-size:.88rem; color:var(--text-soft); text-decoration:none;
}
.mega-col a:not(.mega-head):hover { background:var(--bg-inset); color:var(--brand); }
.mega-foot { margin-top:18px; padding-top:16px; border-top:1px solid var(--border-soft); }
.mega-foot a { font-size:.9rem; font-weight:600; text-decoration:none; }

.header-actions { display:flex; align-items:center; gap:4px; }
.icon-btn {
  display:grid; place-items:center; width:38px; height:38px;
  border:1px solid transparent; border-radius:9px; background:none;
  color:var(--text-soft); cursor:pointer; transition:background .15s, color .15s;
}
.icon-btn:hover { background:var(--bg-inset); color:var(--text); }
.i-moon { display:none; }
:root[data-theme="dark"] .i-sun { display:none; }
:root[data-theme="dark"] .i-moon { display:block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .i-sun { display:none; }
  :root:not([data-theme="light"]) .i-moon { display:block; }
}

.burger { display:none; flex-direction:column; gap:4px; width:38px; height:38px;
          border:0; background:none; cursor:pointer; padding:9px 8px; }
.burger span { display:block; height:2px; background:var(--text); border-radius:2px; transition:transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

.mobile-panel {
  border-top:1px solid var(--border); background:var(--bg);
  max-height:calc(100vh - 64px); overflow-y:auto; padding:12px 20px 28px;
}
.m-group { border-bottom:1px solid var(--border-soft); }
.m-group summary {
  padding:13px 2px; font-weight:600; cursor:pointer; list-style:none;
  display:flex; justify-content:space-between; align-items:center;
}
.m-group summary::after { content:"+"; color:var(--text-mute); font-weight:400; font-size:1.2rem; }
.m-group[open] summary::after { content:"−"; }
.m-group summary::-webkit-details-marker { display:none; }
.m-group ul { list-style:none; padding:0 0 12px; display:grid; gap:2px; }
.m-group a { display:block; padding:7px 10px; border-radius:7px; font-size:.92rem;
             color:var(--text-soft); text-decoration:none; }
.m-group a:hover { background:var(--bg-inset); }
.m-all { font-weight:600; color:var(--brand) !important; }
.m-link { display:block; padding:13px 2px; font-weight:600; color:var(--text);
          text-decoration:none; border-bottom:1px solid var(--border-soft); }

/* ---------------------------------------------------------------- Search */
.search-overlay {
  position:fixed; inset:0; z-index:90; background:rgba(10,14,20,.45);
  backdrop-filter:blur(3px); padding:12vh 20px 20px; overflow-y:auto;
}
.search-box {
  max-width:620px; margin-inline:auto; background:var(--bg-card);
  border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow-lg); overflow:hidden;
}
.search-box input {
  width:100%; padding:17px 20px; border:0; background:none;
  font-size:1.05rem; border-bottom:1px solid var(--border);
}
.search-box input:focus { outline:none; }
.search-results { max-height:56vh; overflow-y:auto; }
.search-results a {
  display:block; padding:12px 20px; text-decoration:none; color:var(--text);
  border-bottom:1px solid var(--border-soft);
}
.search-results a:hover, .search-results a.active { background:var(--bg-inset); }
.search-results strong { display:block; font-size:.95rem; font-weight:600; }
.search-results span { font-size:.83rem; color:var(--text-mute); }
.search-results .sr-cat { color:var(--brand); font-size:.72rem; text-transform:uppercase;
                          letter-spacing:.05em; font-weight:600; }
.search-results .sr-empty { padding:24px 20px; color:var(--text-mute); font-size:.92rem; }
.search-hint { padding:10px 20px; font-size:.78rem; color:var(--text-mute);
               border-top:1px solid var(--border-soft); background:var(--bg-sub); }
kbd { font-family:var(--mono); font-size:.72rem; background:var(--bg-inset);
      border:1px solid var(--border); border-radius:4px; padding:1px 5px; }

/* ------------------------------------------------------------------ Hero */
.hero { padding:64px 0 48px; background:
  radial-gradient(900px 420px at 50% -120px, var(--brand-soft), transparent 70%); }
.hero-inner { text-align:center; max-width:800px; }
.hero-kicker {
  display:inline-block; font-size:.78rem; font-weight:600; letter-spacing:.07em;
  text-transform:uppercase; color:var(--brand); background:var(--brand-soft);
  padding:5px 13px; border-radius:99px; margin-bottom:20px;
}
.hero h1 { margin-bottom:18px; }
.hero-sub { font-size:1.08rem; color:var(--text-soft); max-width:640px; margin:0 auto 28px; }
.hero-search { display:flex; gap:8px; max-width:520px; margin:0 auto 18px; }
.hero-search input {
  flex:1; padding:12px 16px; border:1px solid var(--border); border-radius:10px;
  background:var(--bg-card); font-size:.95rem;
}
.hero-search button {
  padding:12px 22px; border:0; border-radius:10px; background:var(--brand);
  color:#fff; font-weight:600; cursor:pointer; transition:background .15s;
}
.hero-search button:hover { background:var(--brand-hover); }
.hero-quick { display:flex; flex-wrap:wrap; gap:8px; justify-content:center;
              align-items:center; font-size:.86rem; color:var(--text-mute); }
.hero-quick a {
  padding:4px 11px; border:1px solid var(--border); border-radius:99px;
  background:var(--bg-card); text-decoration:none; color:var(--text-soft); font-size:.83rem;
}
.hero-quick a:hover { border-color:var(--brand); color:var(--brand); }

.trust-row { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; padding-block:12px 40px; }
.trust { padding:18px 20px; background:var(--bg-sub); border:1px solid var(--border-soft); border-radius:var(--radius); }
.trust h2 { font-size:.98rem; margin-bottom:5px; }
.trust p { font-size:.89rem; color:var(--text-soft); }

/* ----------------------------------------------------------- Page header */
.page-head { padding:42px 0 26px; }
.page-head h1 { margin-bottom:12px; }
.lede { font-size:1.05rem; color:var(--text-soft); max-width:70ch; }
.eyebrow { font-size:.78rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
           color:var(--brand); margin-bottom:10px; }
.eyebrow a { text-decoration:none; }

/* ------------------------------------------------------------ Breadcrumb */
.breadcrumb { padding-top:16px; }
.breadcrumb ol { display:flex; flex-wrap:wrap; gap:6px; list-style:none; padding:0;
                 font-size:.83rem; color:var(--text-mute); }
.breadcrumb li + li::before { content:"/"; margin-right:6px; color:var(--border); }
.breadcrumb a { color:var(--text-mute); text-decoration:none; }
.breadcrumb a:hover { color:var(--brand); text-decoration:underline; }
.breadcrumb [aria-current] { color:var(--text-soft); }

/* ----------------------------------------------------------------- Cards */
.cat-section { padding-block:26px 12px; }
.cat-head { display:flex; justify-content:space-between; align-items:flex-end;
            gap:20px; margin-bottom:18px; padding-bottom:14px; border-bottom:1px solid var(--border-soft); }
.cat-head h2 { margin-bottom:4px; }
.cat-head h2 a { color:var(--text); text-decoration:none; }
.cat-head h2 a:hover { color:var(--brand); }
.cat-head p { font-size:.9rem; color:var(--text-soft); max-width:64ch; }
.cat-all { font-size:.88rem; font-weight:600; text-decoration:none; white-space:nowrap; }

.card-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(268px,1fr)); gap:14px; }
.tool-card {
  display:block; padding:18px 18px 16px; background:var(--bg-card);
  border:1px solid var(--border); border-radius:var(--radius);
  text-decoration:none; color:var(--text); box-shadow:var(--shadow-sm);
  transition:border-color .15s, box-shadow .15s, transform .15s;
}
.tool-card:hover { border-color:var(--brand); box-shadow:var(--shadow); transform:translateY(-2px); color:var(--text); }
.tool-card h2, .tool-card h3 { font-size:1rem; margin-bottom:6px; }
.tool-card:hover h2, .tool-card:hover h3 { color:var(--brand); }
.tool-card p { font-size:.875rem; color:var(--text-soft); line-height:1.55; }
.tool-card-cat { display:block; font-size:.7rem; font-weight:600; letter-spacing:.06em;
                 text-transform:uppercase; color:var(--text-mute); margin-bottom:7px; }
.tool-card-go { display:inline-block; margin-top:10px; font-size:.82rem;
                font-weight:600; color:var(--brand); }

.post-card {
  display:block; background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); overflow:hidden; text-decoration:none; color:var(--text);
  box-shadow:var(--shadow-sm); transition:border-color .15s, box-shadow .15s, transform .15s;
}
.post-card:hover { border-color:var(--brand); box-shadow:var(--shadow); transform:translateY(-2px); }
.post-card img { width:100%; aspect-ratio:16/9; object-fit:cover; background:var(--bg-inset); }
.post-card-body { padding:16px 18px 18px; }
.post-card h2, .post-card h3 { font-size:1.02rem; margin-bottom:6px; }
.post-card p { font-size:.875rem; color:var(--text-soft); margin-bottom:10px; }
.post-meta { font-size:.78rem; color:var(--text-mute); }

.link-list { list-style:none; padding:0; display:grid; gap:9px; }
.link-list li { padding-left:18px; position:relative; font-size:.93rem; color:var(--text-soft); }
.link-list li::before { content:"→"; position:absolute; left:0; color:var(--brand); }

/* ------------------------------------------------------------ Tool pages */
.tool-head { padding:26px 0 22px; }
.tool-head h1 { margin-bottom:12px; }
.badge-row { display:flex; flex-wrap:wrap; gap:7px; list-style:none; padding:0; margin-top:16px; }
.badge {
  font-size:.75rem; font-weight:500; padding:4px 10px; border-radius:99px;
  background:var(--bg-inset); color:var(--text-soft); border:1px solid var(--border-soft);
}
.badge-ok { background:var(--ok-soft); color:var(--ok); border-color:transparent; }

.tool-app { margin-bottom:30px; }
.tool-ui {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden;
}
.tool-bar {
  display:flex; flex-wrap:wrap; align-items:center; gap:8px;
  padding:11px 14px; background:var(--bg-sub); border-bottom:1px solid var(--border);
}
.tool-bar-label { font-size:.82rem; font-weight:600; color:var(--text-soft); margin-right:auto; }
.tool-panes { display:grid; grid-template-columns:1fr 1fr; }
.tool-pane { display:flex; flex-direction:column; min-width:0; }
.tool-pane + .tool-pane { border-left:1px solid var(--border); }
.pane-head {
  display:flex; align-items:center; justify-content:space-between; gap:8px;
  padding:9px 14px; border-bottom:1px solid var(--border-soft); background:var(--bg-sub);
}
.pane-title { font-size:.78rem; font-weight:600; letter-spacing:.05em;
              text-transform:uppercase; color:var(--text-mute); }
.tool-ta {
  width:100%; min-height:330px; padding:14px; border:0; resize:vertical;
  font-family:var(--mono); font-size:.845rem; line-height:1.6;
  background:var(--bg-card); color:var(--text); tab-size:2;
}
.tool-ta:focus { outline:none; }
.tool-ta[readonly] { background:var(--bg-sub); }
.tool-foot {
  display:flex; flex-wrap:wrap; gap:10px; align-items:center;
  padding:10px 14px; border-top:1px solid var(--border); background:var(--bg-sub);
  font-size:.82rem; color:var(--text-mute); min-height:42px;
}

.btn {
  display:inline-flex; align-items:center; gap:7px; padding:8px 15px;
  border:1px solid var(--border); border-radius:9px; background:var(--bg-card);
  color:var(--text); font-size:.87rem; font-weight:500; cursor:pointer;
  text-decoration:none; transition:background .15s, border-color .15s, color .15s;
}
.btn:hover { background:var(--bg-inset); border-color:var(--text-mute); color:var(--text); }
.btn-primary { background:var(--brand); border-color:var(--brand); color:#fff; }
.btn-primary:hover { background:var(--brand-hover); border-color:var(--brand-hover); color:#fff; }
.btn-sm { padding:5px 11px; font-size:.79rem; border-radius:7px; }
.btn-danger { color:var(--err); border-color:color-mix(in srgb, var(--err) 35%, transparent); }
.btn-danger:hover { background:var(--err-soft); }
.btn:disabled { opacity:.5; cursor:not-allowed; }

.field { display:flex; flex-direction:column; gap:5px; }
.field label { font-size:.82rem; font-weight:600; color:var(--text-soft); }
.field small { font-size:.77rem; color:var(--text-mute); }
input[type=text], input[type=url], input[type=email], input[type=password],
input[type=number], input[type=search], input[type=date], select, textarea {
  padding:9px 12px; border:1px solid var(--border); border-radius:9px;
  background:var(--bg-card); color:var(--text); font-size:.9rem; width:100%;
}
textarea { font-family:var(--mono); font-size:.85rem; line-height:1.6; resize:vertical; }
select { cursor:pointer; }
.inline-field { display:inline-flex; align-items:center; gap:6px; font-size:.83rem; color:var(--text-soft); }
.inline-field select, .inline-field input { width:auto; padding:5px 9px; font-size:.83rem; }
.checkbox { display:inline-flex; align-items:center; gap:7px; font-size:.85rem;
            color:var(--text-soft); cursor:pointer; }
.checkbox input { width:16px; height:16px; accent-color:var(--brand); cursor:pointer; }

.status { font-size:.82rem; font-weight:500; }
.status-ok  { color:var(--ok); }
.status-err { color:var(--err); }
.status-idle{ color:var(--text-mute); }

.notice { padding:11px 14px; border-radius:9px; background:var(--bg-inset);
          border:1px solid var(--border); font-size:.88rem; color:var(--text-soft); }
.notice-warn { background:var(--warn-soft); border-color:color-mix(in srgb,var(--warn) 30%,transparent); color:var(--warn); }
.notice-err  { background:var(--err-soft);  border-color:color-mix(in srgb,var(--err) 30%,transparent);  color:var(--err); }
.notice-ok   { background:var(--ok-soft);   border-color:color-mix(in srgb,var(--ok) 30%,transparent);   color:var(--ok); }

.facts-card { background:var(--bg-sub); border:1px solid var(--border-soft);
              border-radius:var(--radius); padding:18px 20px; margin-bottom:36px; }
.facts-title { font-size:.8rem; letter-spacing:.06em; text-transform:uppercase;
               color:var(--text-mute); margin-bottom:12px; }
.facts { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:14px 24px; }
.fact dt { font-size:.78rem; font-weight:600; color:var(--text-mute);
           text-transform:uppercase; letter-spacing:.04em; margin-bottom:3px; }
.fact dd { font-size:.92rem; color:var(--text); margin:0; }

.tool-body { display:grid; grid-template-columns:minmax(0,1fr) 296px; gap:44px; padding-bottom:20px; }
.tool-aside, .post-aside { display:flex; flex-direction:column; gap:16px; }
.aside-card { position:sticky; top:84px; background:var(--bg-card); border:1px solid var(--border);
              border-radius:var(--radius); padding:16px 18px; }
.tool-aside .aside-card:nth-child(2), .post-aside .aside-card { position:static; }
.aside-card h2 { font-size:.8rem; letter-spacing:.06em; text-transform:uppercase;
                 color:var(--text-mute); margin-bottom:11px; }
.aside-card ul { list-style:none; padding:0; display:grid; gap:1px; }
.aside-card li a, .aside-links a {
  display:block; padding:5px 9px; margin-inline:-9px; border-radius:6px;
  font-size:.875rem; color:var(--text-soft); text-decoration:none;
}
.aside-card li a:hover { background:var(--bg-inset); color:var(--brand); }
.toc-card .toc-l3 a { padding-left:22px; font-size:.84rem; }
.aside-more { display:inline-block; margin-top:11px; font-size:.83rem; font-weight:600; text-decoration:none; }

/* ----------------------------------------------------------------- Prose */
.prose { max-width:none; }
.prose > section { margin-bottom:38px; scroll-margin-top:84px; }
.prose h2 { margin-bottom:14px; padding-bottom:9px; border-bottom:1px solid var(--border-soft); }
.prose h3 { margin:26px 0 9px; }
.prose p { margin-bottom:15px; color:var(--text-soft); }
.prose ul, .prose ol { margin:0 0 16px; padding-left:22px; color:var(--text-soft); }
.prose li { margin-bottom:7px; }
.prose li::marker { color:var(--text-mute); }
.prose strong { color:var(--text); font-weight:600; }
.prose a { font-weight:500; }
.prose code {
  font-family:var(--mono); font-size:.855em; background:var(--bg-inset);
  padding:2px 6px; border-radius:5px; border:1px solid var(--border-soft);
  color:var(--text); word-break:break-word;
}
.prose pre, .code-block {
  background:var(--bg-inset); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:14px 16px; overflow-x:auto; margin-bottom:16px;
}
.prose pre code, .code-block code { background:none; border:0; padding:0; font-size:.83rem; line-height:1.65; }
.prose blockquote {
  border-left:3px solid var(--brand); padding:4px 0 4px 16px;
  margin:0 0 16px; color:var(--text-soft); font-style:italic;
}
.prose hr { border:0; border-top:1px solid var(--border); margin:28px 0; }
.prose .anchor { opacity:0; margin-left:6px; text-decoration:none; color:var(--text-mute);
                 font-weight:400; transition:opacity .15s; }
.prose h2:hover .anchor, .prose h3:hover .anchor { opacity:1; }
.table-wrap { overflow-x:auto; margin-bottom:18px; border:1px solid var(--border);
              border-radius:var(--radius-sm); }
.prose table { width:100%; border-collapse:collapse; font-size:.885rem; }
.prose th, .prose td { padding:9px 13px; border-bottom:1px solid var(--border-soft); }
.prose th { background:var(--bg-sub); font-weight:600; font-size:.8rem;
            text-transform:uppercase; letter-spacing:.04em; color:var(--text-mute); }
.prose tbody tr:last-child td { border-bottom:0; }
.post-figure { margin:0 0 20px; }
.post-figure img { border-radius:var(--radius-sm); border:1px solid var(--border); width:100%; }
.post-figure figcaption { font-size:.82rem; color:var(--text-mute); margin-top:8px; text-align:center; }

.steps { list-style:none; padding:0; counter-reset:step; }
.steps li { position:relative; padding-left:44px; margin-bottom:20px; counter-increment:step;
            scroll-margin-top:84px; }
.steps li::before {
  content:counter(step); position:absolute; left:0; top:1px;
  width:30px; height:30px; display:grid; place-items:center;
  background:var(--brand-soft); color:var(--brand);
  border-radius:50%; font-size:.86rem; font-weight:700;
}
.steps h3 { font-size:1rem; margin:3px 0 5px; }
.steps p { margin:0; color:var(--text-soft); font-size:.93rem; }

.faq-list { display:grid; gap:9px; }
.faq-item { border:1px solid var(--border); border-radius:var(--radius-sm);
            background:var(--bg-card); overflow:hidden; }
.faq-item summary { padding:13px 16px; cursor:pointer; list-style:none;
                    display:flex; justify-content:space-between; gap:12px; align-items:flex-start; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content:"+"; color:var(--text-mute); font-size:1.25rem;
                           line-height:1; flex-shrink:0; }
.faq-item[open] summary::after { content:"−"; }
.faq-item summary h3 { font-size:.94rem; font-weight:600; margin:0; }
.faq-item summary:hover h3 { color:var(--brand); }
.faq-answer { padding:0 16px 15px; }
.faq-answer p { margin:0 0 10px; font-size:.91rem; color:var(--text-soft); }
.faq-answer p:last-child { margin-bottom:0; }
.faq-answer ul { margin:0 0 10px; padding-left:20px; font-size:.91rem; color:var(--text-soft); }
.home-faq { padding-block:36px 56px; }
.cat-intro { padding-block:36px 48px; }

.related { padding-block:34px 56px; border-top:1px solid var(--border-soft); margin-top:24px; }
.related h2 { margin-bottom:18px; }

/* ------------------------------------------------------------------ Blog */
.post-head { padding:26px 0 20px; }
.post-byline { font-size:.86rem; color:var(--text-mute); margin-top:14px; }
.post-hero { margin:0 auto 32px; }
.post-hero img { width:100%; border-radius:var(--radius); border:1px solid var(--border);
                 aspect-ratio:1200/630; object-fit:cover; }
.post-hero figcaption { font-size:.82rem; color:var(--text-mute); margin-top:9px; text-align:center; }
.post-body { display:grid; grid-template-columns:minmax(0,1fr) 280px; gap:44px; padding-bottom:20px; }
.post-content { max-width:74ch; }
.toc-inline { background:var(--bg-sub); border:1px solid var(--border-soft);
              border-radius:var(--radius); padding:16px 20px; margin-bottom:30px; }
.toc-inline h2 { font-size:.8rem; letter-spacing:.06em; text-transform:uppercase;
                 color:var(--text-mute); border:0; padding:0; margin-bottom:9px; }
.toc-inline ul { list-style:none; padding:0; margin:0; display:grid; gap:4px; }
.toc-inline .toc-l3 { padding-left:16px; font-size:.87rem; }
.toc-inline a { font-size:.9rem; text-decoration:none; }
.toc-inline a:hover { text-decoration:underline; }
.post-tags { margin-top:30px; padding-top:20px; border-top:1px solid var(--border-soft);
             display:flex; flex-wrap:wrap; gap:7px; align-items:center;
             font-size:.83rem; color:var(--text-mute); }
.tag { padding:3px 10px; background:var(--bg-inset); border-radius:99px; font-size:.79rem; }
.pagination { display:flex; justify-content:center; align-items:center; gap:20px;
              padding:34px 0; font-size:.9rem; color:var(--text-mute); }
.pagination a { font-weight:600; text-decoration:none; }
.empty-state { text-align:center; padding:56px 20px; background:var(--bg-sub);
               border:1px dashed var(--border); border-radius:var(--radius); }
.empty-state h2 { margin-bottom:8px; }
.empty-state p { color:var(--text-soft); font-size:.93rem; }

/* ---------------------------------------------------------------- Errors */
.error-page { text-align:center; padding:70px 20px 80px; max-width:820px; }
.error-code { font-size:4.5rem; font-weight:700; color:var(--brand); opacity:.25;
              line-height:1; letter-spacing:-.04em; }
.error-page h1 { margin:6px 0 14px; }
.error-page .lede { margin:0 auto 26px; }
.error-page .hero-search { margin-bottom:34px; }
.error-grid { text-align:left; margin-bottom:30px; }

/* ---------------------------------------------------------------- Footer */
.site-footer { border-top:1px solid var(--border); background:var(--bg-sub);
               padding:44px 0 26px; margin-top:auto; }
.footer-grid { display:grid; grid-template-columns:1.6fr repeat(4, 1fr); gap:32px 24px; }
.footer-brand p { font-size:.875rem; color:var(--text-soft); margin-top:12px; max-width:34ch; }
.footer-col h2 { font-size:.78rem; letter-spacing:.06em; text-transform:uppercase;
                 color:var(--text-mute); margin-bottom:11px; }
.footer-col h2 a { color:inherit; text-decoration:none; }
.footer-col h2 a:hover { color:var(--brand); }
.footer-col ul { list-style:none; padding:0; display:grid; gap:6px; }
.footer-col a { font-size:.875rem; color:var(--text-soft); text-decoration:none; }
.footer-col a:hover { color:var(--brand); }
.footer-bottom { display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
                 margin-top:36px; padding-top:20px; border-top:1px solid var(--border);
                 font-size:.82rem; color:var(--text-mute); }

/* ------------------------------------------------------------ Responsive */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns:1fr 1fr 1fr; }
  .footer-brand { grid-column:1 / -1; }
}
@media (max-width: 980px) {
  .tool-body, .post-body { grid-template-columns:1fr; gap:34px; }
  .aside-card { position:static !important; }
  .tool-aside { order:2; }
  .toc-card { display:none; }
}
@media (max-width: 860px) {
  .main-nav { display:none; }
  .burger { display:flex; }
  .trust-row { grid-template-columns:1fr; }
  .tool-panes { grid-template-columns:1fr; }
  .tool-pane + .tool-pane { border-left:0; border-top:1px solid var(--border); }
  .tool-ta { min-height:220px; }
  .hero { padding:44px 0 34px; }
  .cat-head { flex-direction:column; align-items:flex-start; gap:8px; }
}
@media (max-width: 560px) {
  .wrap { padding-inline:16px; }
  .card-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .hero-search { flex-direction:column; }
  .hero-search button { width:100%; }
  .facts { grid-template-columns:1fr; }
}

/* ----------------------------------------------------------------- Print */
@media print {
  .site-header, .site-footer, .tool-aside, .related, .breadcrumb, .search-overlay { display:none !important; }
  body { background:#fff; color:#000; }
  .tool-body, .post-body { grid-template-columns:1fr; }
}