/* ═══ HardcoreDebug design system ═══ */
:root{
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#f1f3f6; --surface-3:#e9edf2;
  --border:#e3e7ed; --border-strong:#cfd6df;
  --text:#0f172a; --text-2:#475569; --text-3:#7a8699;
  --brand:#e11d48; --brand-2:#f97316; --brand-soft:#fff1f3; --brand-ink:#be123c;
  --link:#2563eb;
  --ok:#15803d; --ok-bg:#e9f8ef; --warn:#b45309; --warn-bg:#fff6e5; --err:#c81e1e; --err-bg:#fdecec; --info:#1d4ed8; --info-bg:#eaf1ff;
  --code-bg:#0f172a; --code-text:#e2e8f0;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06); --shadow:0 4px 18px rgba(15,23,42,.07); --shadow-lg:0 18px 50px rgba(15,23,42,.16);
  --radius:12px; --radius-sm:8px;
  --font:"Source Serif 4","Source Serif Pro",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --header-h:64px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0a0d14; --surface:#111621; --surface-2:#161c29; --surface-3:#1d2433;
  --border:#232b3b; --border-strong:#2f3a4f;
  --text:#e6eaf2; --text-2:#a7b1c2; --text-3:#7a8597;
  --brand:#fb4f6f; --brand-2:#fb923c; --brand-soft:#2a1119; --brand-ink:#ff8aa0;
  --link:#7aa7ff;
  --ok:#4ade80; --ok-bg:#0f2a1a; --warn:#fbbf24; --warn-bg:#2b2110; --err:#f87171; --err-bg:#2c1414; --info:#93b4ff; --info-bg:#131f3a;
  --code-bg:#070a10; --code-text:#d8e0ee;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow:0 4px 18px rgba(0,0,0,.35); --shadow-lg:0 18px 50px rgba(0,0,0,.55);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}   /* "hidden" always wins over component display rules */
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;font-family:var(--font);font-size:14.5px;line-height:1.6;font-optical-sizing:auto;color:var(--text);background:var(--bg);
     display:flex;flex-direction:column;min-height:100vh;-webkit-font-smoothing:antialiased}
main{flex:1}
img{max-width:100%;height:auto}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;letter-spacing:-.005em}
h1{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:650}
h2{font-size:1.28rem;font-weight:650}
h3{font-size:1.04rem;font-weight:650}
p{margin:0 0 1em}
code,pre,kbd{font-family:var(--mono);font-size:.9em}
.muted{color:var(--text-2)} .small{font-size:.85rem} .tiny{font-size:.75rem}
.container{width:100%;max-width:1600px;margin:0 auto;padding:0 clamp(16px,2.5vw,40px)}
.container-narrow{max-width:820px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--surface);padding:8px 12px;z-index:100;border-radius:6px}
.skip:focus{left:8px}
.i{width:20px;height:20px;flex:none;display:inline-block;vertical-align:middle}
.i-sm{width:14px;height:14px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ── Header ── */
.announce{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;text-align:center;font-size:.85rem;font-weight:600;padding:7px 16px}
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
.header-row{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:1.08rem;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand b{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-mark{width:40px;height:40px;flex:none;border-radius:10px;filter:drop-shadow(0 3px 8px rgba(220,38,38,.35));transform-origin:50% 70%}
.brand-mark.roar{animation:roar .6s cubic-bezier(.3,1.6,.5,1)}
@keyframes roar{0%{transform:scale(1) rotate(0)}30%{transform:scale(1.18) rotate(-7deg)}55%{transform:scale(1.1) rotate(5deg)}75%{transform:scale(1.14) rotate(-3deg)}100%{transform:scale(1) rotate(0)}}
.brand:hover .brand-mark{animation:roar .6s cubic-bezier(.3,1.6,.5,1)}
/* Snake playground around the brand name (canvas is drawn by site.js) */
.brand-snake-wrap{position:relative;display:inline-flex;align-items:center;padding:10px 13px;margin-left:-13px}
.brand-snake{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.site-footer .brand,.admin .brand,form .brand{gap:0}
/* Typewriter brand name: width is reserved by JS so the header never shifts */
.brand-text{display:inline-flex;align-items:center;white-space:nowrap;font-weight:800;letter-spacing:-.015em}
.brand-text .bt-b{font-weight:800}
.bt-caret{display:inline-block;width:2px;height:1.05em;margin-left:2px;background:var(--brand);border-radius:1px;opacity:0;font-style:normal}
.brand-text.typing .bt-caret{opacity:1}
.brand-text.idle .bt-caret{animation:caret 1s steps(1) infinite}
@keyframes caret{50%{opacity:0}}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{display:inline-flex;align-items:center;gap:4px;padding:8px 12px;border-radius:8px;color:var(--text-2);font-weight:500;
  font-size:.95rem;background:none;border:0;cursor:pointer;font-family:inherit}
.nav-link:hover,.nav-link.active,.nav-drop.open>.nav-link{color:var(--text);background:var(--surface-2);text-decoration:none}
.nav-drop{position:relative}
.drop-panel{position:absolute;top:calc(100% + 8px);left:0;width:420px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px;display:none}
.nav-drop.open .drop-panel{display:block}
.drop-item{display:flex;gap:12px;padding:10px;border-radius:10px;color:var(--text)}
.drop-item:hover{background:var(--surface-2);text-decoration:none}
.drop-item strong{display:block;font-size:.93rem}
.drop-item small{display:block;color:var(--text-3);font-size:.8rem;line-height:1.4}
.drop-all{display:block;padding:10px;font-size:.88rem;font-weight:600;border-top:1px solid var(--border);margin-top:4px}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface);color:var(--text-2);cursor:pointer}
.icon-btn:hover{color:var(--text);border-color:var(--border-strong)}
.only-dark{display:none} [data-theme="dark"] .only-dark{display:inline-block} [data-theme="dark"] .only-light{display:none}
.menu-btn{display:none}

/* ── Buttons & form controls ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:10px;font-weight:600;font-size:.93rem;
  border:1px solid var(--border-strong);background:var(--surface);color:var(--text);cursor:pointer;font-family:inherit;line-height:1.2;
  transition:transform .12s,box-shadow .12s,background .12s;white-space:nowrap}
.btn:hover{text-decoration:none;border-color:var(--text-3)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff;box-shadow:0 6px 18px rgba(225,29,72,.25)}
.btn-primary:hover{border-color:transparent;box-shadow:0 8px 22px rgba(225,29,72,.35)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--text-2)}
.btn-ghost:hover{background:var(--surface-2);color:var(--text)}
.btn-danger{color:var(--err);border-color:color-mix(in srgb,var(--err) 40%,transparent);background:transparent}
.btn-sm{padding:7px 12px;font-size:.85rem;border-radius:8px}
.btn-support{background:var(--brand-soft);color:var(--brand-ink);border-color:transparent}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
label,.label{display:block;font-size:.85rem;font-weight:600;color:var(--text-2);margin-bottom:6px}
.input,.select,.textarea{width:100%;padding:10px 12px;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface);
  color:var(--text);font:inherit;font-size:.95rem}
.textarea{min-height:140px;resize:vertical;font-family:var(--mono);font-size:.88rem;line-height:1.5}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}
.field{margin-bottom:14px}
.hint{font-size:.8rem;color:var(--text-3);margin-top:5px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.check{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--text);cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--brand)}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:transparent;padding:7px 14px;border-radius:8px;font:inherit;font-size:.88rem;font-weight:600;color:var(--text-2);cursor:pointer}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}

/* ── Surfaces ── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card-pad{padding:22px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border)}
.card-head h2,.card-head h3{margin:0;font-size:1rem}
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;font-size:.72rem;font-weight:700;
  background:var(--surface-2);color:var(--text-2);border:1px solid var(--border);vertical-align:middle;white-space:nowrap}
.badge-ok{background:var(--ok-bg);color:var(--ok);border-color:transparent}
.badge-warn{background:var(--warn-bg);color:var(--warn);border-color:transparent}
.badge-err{background:var(--err-bg);color:var(--err);border-color:transparent}
.badge-info{background:var(--info-bg);color:var(--info);border-color:transparent}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);
  color:var(--text-2);font-size:.85rem;font-weight:500;cursor:pointer;font-family:inherit}
.chip:hover{border-color:var(--border-strong);color:var(--text);text-decoration:none}
.chip.on{background:var(--text);color:var(--surface);border-color:var(--text)}
.chip .n{opacity:.65;font-size:.78rem}
.flash-wrap{margin-top:16px}
.flash{padding:12px 16px;border-radius:10px;margin-bottom:8px;font-size:.92rem;border:1px solid transparent}
.flash-success{background:var(--ok-bg);color:var(--ok)} .flash-error{background:var(--err-bg);color:var(--err)} .flash-info{background:var(--info-bg);color:var(--info)}
.alert{padding:12px 16px;border-radius:10px;font-size:.9rem;display:flex;gap:10px;align-items:flex-start}
.alert-info{background:var(--info-bg);color:var(--info)} .alert-ok{background:var(--ok-bg);color:var(--ok)} .alert-err{background:var(--err-bg);color:var(--err)}
.alert .i{margin-top:1px}

/* ── Tool icons ── */
.tool-ico{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;flex:none}
.ti-har{background:#ffe9ec;color:#e11d48} .ti-mtr{background:#e7f0ff;color:#2563eb} .ti-jwt{background:#f1eaff;color:#7c3aed} .ti-encoder{background:#e6f8ef;color:#059669}
[data-theme="dark"] .ti-har{background:#3a1520;color:#ff8aa0} [data-theme="dark"] .ti-mtr{background:#14244a;color:#8fb3ff}
[data-theme="dark"] .ti-jwt{background:#261a45;color:#c4a5ff} [data-theme="dark"] .ti-encoder{background:#0f2e22;color:#5fe0a8}

/* ── Home ── */
.hero{padding:64px 0 40px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% -10% auto;height:520px;z-index:-1;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--brand) 14%,transparent),transparent),
             radial-gradient(closest-side at 70% 40%,color-mix(in srgb,var(--brand-2) 12%,transparent),transparent)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--border);
  font-size:.8rem;font-weight:600;color:var(--text-2);margin-bottom:18px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.hero h1{font-size:clamp(1.8rem,4.4vw,2.9rem);max-width:820px;margin:0 auto 16px;letter-spacing:-.01em;font-weight:650}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:1.12rem;color:var(--text-2);max-width:640px;margin:0 auto 26px}
.hero .btn-row{justify-content:center}
.section{padding:40px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.section-head h2{margin:0}
.section-head p{margin:4px 0 0;color:var(--text-2)}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:16px}
.tool-card{display:flex;flex-direction:column;gap:12px;padding:22px;color:var(--text);transition:transform .15s,box-shadow .15s,border-color .15s}
.tool-card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--border-strong)}
.tool-card h3{margin:0;font-size:1.05rem}
.tool-card p{margin:0;color:var(--text-2);font-size:.92rem;flex:1}
.tool-card .go{font-size:.88rem;font-weight:600;color:var(--brand-ink);display:inline-flex;align-items:center;gap:6px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.feature{padding:20px}
.feature h3{font-size:1rem;display:flex;align-items:center;gap:8px}
.feature p{color:var(--text-2);font-size:.92rem;margin:0}

/* ── Page header / breadcrumbs ── */
.page-head{padding:36px 0 22px}
.page-head .lead{font-size:1.05rem;color:var(--text-2);max-width:760px;margin:0}
.crumbs{display:flex;gap:6px;flex-wrap:wrap;font-size:.83rem;color:var(--text-3);margin-bottom:12px;padding:0;list-style:none}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--border-strong)}
.crumbs a{color:var(--text-2)}
.tool-title{display:flex;align-items:center;gap:14px}
.tool-title h1{margin:0}
.tool-title .tool-ico{width:48px;height:48px;border-radius:12px}
.tool-title .tool-ico .i{width:24px;height:24px}

/* ── Layout with sidebar ── */
.with-aside{display:grid;grid-template-columns:minmax(0,1fr) clamp(260px,22vw,340px);gap:clamp(20px,2.5vw,40px);align-items:start}
.with-aside>*{min-width:0}
.prose pre{white-space:pre-wrap;word-break:break-word}
.aside{display:flex;flex-direction:column;gap:18px;position:sticky;top:calc(var(--header-h) + 18px)}
.aside .card-pad{padding:18px}
.aside h3{font-size:.95rem}
.mini-tools a{display:flex;align-items:center;gap:10px;padding:8px;border-radius:8px;color:var(--text);font-size:.9rem;font-weight:500}
.mini-tools a:hover{background:var(--surface-2);text-decoration:none}
.mini-tools .tool-ico{width:30px;height:30px;border-radius:8px}
.mini-tools .tool-ico .i{width:16px;height:16px}

/* ── Prose (articles, explainers, legal) ── */
.prose{font-size:.98rem;line-height:1.72;color:var(--text);max-width:82ch}
.prose h2{font-size:1.45rem;margin:1.8em 0 .6em}
.prose h3{font-size:1.15rem;margin:1.5em 0 .5em}
.prose p,.prose ul,.prose ol{margin:0 0 1.1em}
.prose ul,.prose ol{padding-left:1.4em}
.prose li{margin:.3em 0}
.prose img{border-radius:10px;margin:1em 0;border:1px solid var(--border)}
.prose a{text-decoration:underline;text-underline-offset:2px}
.prose blockquote{margin:1.2em 0;padding:.6em 1.1em;border-left:4px solid var(--brand);background:var(--surface-2);border-radius:0 8px 8px 0;color:var(--text-2)}
.prose code{background:var(--surface-2);border:1px solid var(--border);padding:.1em .4em;border-radius:5px;font-size:.88em}
.prose pre,.prose .ql-syntax{background:var(--code-bg);color:var(--code-text);padding:16px 18px;border-radius:10px;overflow:auto;font-size:.86rem;line-height:1.6;margin:1.2em 0}
.prose pre code{background:none;border:0;padding:0;color:inherit}
.prose table{border-collapse:collapse;width:100%;margin:1.2em 0;font-size:.92rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--border);padding:8px 10px;text-align:left}
.prose th{background:var(--surface-2)}
.prose hr{border:0;border-top:1px solid var(--border);margin:2em 0}
.explainer{margin-top:28px}
.faq details{border:1px solid var(--border);border-radius:10px;padding:12px 16px;margin-bottom:10px;background:var(--surface)}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin:10px 0 0;color:var(--text-2)}

/* ── Ads ── */
.ad{display:block;margin:24px 0;text-align:center;min-height:100px;overflow:hidden}
.ad-label{display:block;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);margin-bottom:4px}
.ad-sidebar{min-height:250px;margin:0}
.ad-placeholder{display:flex;align-items:center;justify-content:center;border:2px dashed var(--border-strong);border-radius:10px;color:var(--text-3);font-size:.85rem}

/* ── Tables ── */
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
table.data{width:100%;border-collapse:collapse;font-size:.86rem}
table.data th{position:sticky;top:0;z-index:1;background:var(--surface-2);text-align:left;font-weight:600;color:var(--text-2);font-size:.76rem;
  text-transform:uppercase;letter-spacing:.04em;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap;user-select:none}
table.data th[data-sort]{cursor:pointer}
table.data th[data-sort]:hover{color:var(--text)}
table.data th .arrow{opacity:.5;margin-left:3px}
table.data td{padding:9px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
table.data tr:last-child td{border-bottom:0}
table.data tbody tr:hover td{background:var(--surface-2)}
.num{text-align:right;font-variant-numeric:tabular-nums}
.mono{font-family:var(--mono);font-size:.84em}
.trunc{max-width:1px;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ── Stats ── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{padding:16px}
.stat .v{font-size:1.6rem;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat .k{font-size:.78rem;color:var(--text-3);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.stat.err .v{color:var(--err)} .stat.warn .v{color:var(--warn)}

/* ── Dropzone ── */
.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:42px 20px;
  border:2px dashed var(--border-strong);border-radius:var(--radius);background:var(--surface);cursor:pointer;transition:border-color .15s,background .15s}
.dropzone:hover,.dropzone.drag{border-color:var(--brand);background:var(--brand-soft)}
.dropzone .i{width:36px;height:36px;color:var(--brand)}
.dropzone strong{font-size:1.05rem}
.privacy-note{display:flex;gap:8px;align-items:center;justify-content:center;font-size:.85rem;color:var(--ok);margin-top:10px}

/* ── Code output ── */
.output{background:var(--code-bg);color:var(--code-text);border-radius:10px;padding:14px 16px;font-family:var(--mono);font-size:.84rem;
  line-height:1.55;white-space:pre-wrap;word-break:break-word;overflow:auto;max-height:520px;margin:0}
.copy-btn{position:absolute;top:8px;right:8px}
.rel{position:relative}

/* ── Blog ── */
.blog-tools{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:22px}
.search-box{position:relative;flex:1;min-width:220px;max-width:420px}
.search-box .i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3);width:18px;height:18px}
.search-box .input{padding-left:38px}
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:20px}
.post-card{display:flex;flex-direction:column;overflow:hidden;color:var(--text);transition:transform .15s,box-shadow .15s}
.post-card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow)}
.post-cover{aspect-ratio:16/9;background:linear-gradient(135deg,var(--brand-soft),var(--surface-3));display:flex;align-items:center;justify-content:center;overflow:hidden}
.post-cover img{width:100%;height:100%;object-fit:cover}
.post-cover .i{width:40px;height:40px;color:var(--brand)}
.post-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-body h3{margin:0;font-size:1.08rem;line-height:1.35}
.post-body p{margin:0;color:var(--text-2);font-size:.92rem;flex:1}
.post-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;font-size:.8rem;color:var(--text-3)}
.post-meta .i{width:14px;height:14px}
.pager{display:flex;justify-content:center;gap:8px;margin-top:30px}
.article-head{padding:40px 0 10px;max-width:820px}
.article-head h1{font-size:clamp(1.65rem,3.6vw,2.3rem);letter-spacing:-.01em}
.article-cover{border-radius:var(--radius);overflow:hidden;margin:18px 0 8px;border:1px solid var(--border)}
.article-cover img{display:block;width:100%}
.toc{font-size:.88rem}
.toc ol{list-style:none;margin:0;padding:0}
.toc li{margin:2px 0}
.toc a{display:block;padding:4px 8px;border-radius:6px;color:var(--text-2);border-left:2px solid transparent}
.toc a:hover{background:var(--surface-2);text-decoration:none;color:var(--text)}
.toc a.active{border-left-color:var(--brand);color:var(--text);font-weight:600}
.toc .lvl-3 a{padding-left:20px;font-size:.84rem}
.share{display:flex;gap:8px;flex-wrap:wrap}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:30px 0}
.post-nav a{padding:16px;color:var(--text)}
.post-nav a:hover{text-decoration:none;border-color:var(--border-strong)}
.post-nav small{display:block;color:var(--text-3);font-size:.78rem}
.post-nav .next{text-align:right}
.comments{margin-top:36px}
.comment{padding:14px 0;border-bottom:1px solid var(--border)}
.comment .who{font-weight:600}
.comment .when{font-size:.8rem;color:var(--text-3);margin-left:6px}
.comment p{margin:6px 0 0;white-space:pre-wrap;color:var(--text-2)}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}

/* ── Footer ── */
.site-footer{margin-top:60px;border-top:1px solid var(--border);background:var(--surface);font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;padding-top:40px;padding-bottom:28px}
.footer-brand p{color:var(--text-2);margin-top:12px;max-width:340px}
.site-footer h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3);margin-bottom:12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:7px 0}
.site-footer li a{color:var(--text-2)}
.site-footer li a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:18px;padding-bottom:22px;border-top:1px solid var(--border);
  color:var(--text-3);font-size:.82rem}

/* ── Modal ── */
.modal{position:fixed;inset:0;z-index:100;background:rgba(5,8,14,.6);display:flex;align-items:center;justify-content:center;padding:16px}
.modal[hidden]{display:none}
.modal-box{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);
  padding:28px;max-width:520px;width:100%;max-height:90vh;overflow:auto}
.modal-close{position:absolute;top:14px;right:14px}
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.support-opt{border:1px solid var(--border);border-radius:12px;padding:16px;text-align:center}
.support-opt h3{font-size:1rem;display:flex;gap:8px;justify-content:center;align-items:center}
.upi{display:block;padding:10px;border-radius:8px;background:var(--surface-2);cursor:pointer;font-size:.95rem;margin-bottom:6px}

/* ── First-visit dark mode tip ── */
.theme-tip{position:fixed;right:20px;bottom:20px;z-index:90;display:flex;gap:12px;align-items:flex-start;max-width:360px;
  padding:16px 44px 16px 16px;background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-lg);
  opacity:0;transform:translateY(16px);transition:opacity .25s,transform .25s}
.theme-tip.show{opacity:1;transform:none}
.theme-tip[hidden]{display:none}
.theme-tip-icon{width:38px;height:38px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;background:#1e2433;color:#fbbf24}
.theme-tip-body{display:flex;flex-direction:column;gap:4px;font-size:.92rem}
.theme-tip-close{position:absolute;top:8px;right:8px;width:30px;height:30px;border:0;background:none}
@media (max-width:520px){.theme-tip{left:12px;right:12px;bottom:12px;max-width:none}}

/* ── Toast ── */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--text);color:var(--surface);
  padding:10px 16px;border-radius:10px;font-size:.88rem;font-weight:500;z-index:200;transition:all .2s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ── Error pages ── */
.error-page{text-align:center;padding:90px 0}
.error-page .code{font-size:5rem;font-weight:800;line-height:1}

/* ── Responsive ── */
@media (max-width:1024px){
  .with-aside{grid-template-columns:1fr}
  .aside{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:14.5px}
  .menu-btn{display:inline-flex}
  .header-row{gap:10px}
  .header-actions{gap:6px}
  .btn-support{padding:0 10px;height:38px;gap:5px}
  .main-nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;padding:12px 16px 18px;
    background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);display:none;max-height:calc(100vh - var(--header-h));overflow:auto}
  .main-nav.open{display:flex}
  .nav-link{padding:12px;font-size:1rem;justify-content:space-between;width:100%}
  .drop-panel{position:static;width:auto;box-shadow:none;border:0;padding:0 0 0 6px}
  .hero{padding:44px 0 28px}
  .footer-grid{grid-template-columns:1fr}
  .support-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .card-pad{padding:16px}
}
@media (max-width:430px){
  .brand{font-size:1rem;gap:8px}
  .support-label{display:none}
  .btn-support{width:38px;padding:0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.ad,.aside{display:none!important}}

/* Author names link to their LinkedIn profiles */
a.person{color:inherit;font-weight:inherit;text-decoration:underline;text-decoration-style:dotted;text-decoration-color:color-mix(in srgb,var(--link) 60%,transparent);text-underline-offset:3px}
a.person:hover{color:var(--link);text-decoration-style:solid}

/* Home page liquid background (dark mode): drawn by js/liquid.js behind all content */
.liquid-bg{position:fixed;inset:0;width:100vw;height:100vh;z-index:-1;pointer-events:none;mix-blend-mode:screen;opacity:.75;filter:blur(2px)}

/* ── Guides ── */
.guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin:1em 0 1.6em}
.guide-card{display:flex;flex-direction:column;gap:6px;color:var(--text);text-decoration:none!important;transition:border-color .15s,transform .15s}
.guide-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.guide-card h2,.guide-card h3{font-size:1.02rem;margin:4px 0 0;line-height:1.35}
.guide-card p{margin:0}
.guide-card .badge{align-self:flex-start}
.guide-cta{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.guide-related{margin-top:28px}
.guide-related h2{font-size:1.3rem}
.prose .guide-grid a{text-decoration:none}