/* NewBacklink — one stylesheet, no framework. Premium SaaS look, light + dark.
   Theme is set on <html data-theme="light|dark"> by an inline no-flash script;
   the media query is the no-JS fallback. System fonts, no web fonts. */

:root{
  color-scheme:light;
  --bg:#F6F7FB; --surface:#FFFFFF; --surface-2:#F1F3F9; --surface-3:#EAEDF6;
  --line:#E7E9F2; --line-2:#D6DAE8;
  --ink:#161A2B; --ink-2:#535A72; --ink-3:#868DA5;
  --violet:#6C5CE7; --violet-2:#5B49D8; --violet-ink:#5A48D6; --violet-dim:#EEEBFC;
  --good:#12A66B; --warn:#B9820E; --crit:#DA4A4A;
  --good-bg:#E5F6EE; --warn-bg:#FBF1DC; --crit-bg:#FBE7E7; --info-bg:#EDEBFB;
  --shadow-sm:0 1px 2px rgba(22,26,43,.06),0 1px 1px rgba(22,26,43,.04);
  --shadow:0 10px 30px -12px rgba(30,34,66,.20),0 2px 8px -2px rgba(30,34,66,.08);
  --shadow-lg:0 22px 48px -18px rgba(30,34,66,.30),0 6px 16px -6px rgba(30,34,66,.12);
  --ring:0 0 0 3px rgba(108,92,231,.20);
  --nav-bg:rgba(255,255,255,.82);
  --serp-shadow:0 1px 6px rgba(32,33,36,.18);
  --grad:linear-gradient(135deg,#2563EB,#6366F1 52%,#8B5CF6);
  --wash:radial-gradient(60% 55% at 78% -10%,rgba(108,92,231,.14),transparent 70%);
  --sans:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace;
  --r:14px; --r-sm:10px; --r-lg:20px;
  --tile:linear-gradient(160deg,#F4F2FE,#E7E3FB); --tile-hi:rgba(255,255,255,.6); --tile-ring:rgba(108,92,231,.16); --tile-glow:0 8px 20px -10px rgba(108,92,231,.35);
  --glow:0 0 0 1px rgba(108,92,231,.10),0 14px 30px -12px rgba(108,92,231,.55);
  --mesh:radial-gradient(46% 60% at 12% -5%,rgba(37,99,235,.16),transparent 60%),radial-gradient(42% 55% at 90% 0%,rgba(139,92,246,.16),transparent 55%),radial-gradient(50% 60% at 55% 40%,rgba(99,102,241,.10),transparent 65%);
  --sheen:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.55) 50%,transparent 65%);
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0C0F16; --surface:#141922; --surface-2:#1B212D; --surface-3:#222A38;
  --line:#262D3B; --line-2:#38414F;
  --ink:#F3F5F9; --ink-2:#A7AEC1; --ink-3:#6E7688;
  --violet:#9488EC; --violet-2:#7C6CE8; --violet-ink:#B3A9F4; --violet-dim:#1C1C36;
  --good:#5FD173; --warn:#E5B759; --crit:#F08A8A;
  --good-bg:rgba(95,209,115,.13);--warn-bg:rgba(229,183,89,.13);--crit-bg:rgba(240,138,138,.13);--info-bg:rgba(148,136,236,.14);
  --shadow-sm:0 1px 2px rgba(0,0,0,.30);
  --shadow:0 14px 34px -14px rgba(0,0,0,.55),0 2px 8px rgba(0,0,0,.3);
  --shadow-lg:0 26px 54px -18px rgba(0,0,0,.6);
  --ring:0 0 0 3px rgba(148,136,236,.28);
  --nav-bg:rgba(12,15,22,.80);
  --serp-shadow:0 1px 8px rgba(0,0,0,.4);
  --grad:linear-gradient(135deg,#3B82F6,#7C6CE8 52%,#9488EC);
  --wash:radial-gradient(60% 55% at 78% -10%,rgba(124,108,232,.20),transparent 70%);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#0C0F16; --surface:#141922; --surface-2:#1B212D; --surface-3:#222A38;
    --line:#262D3B; --line-2:#38414F;
    --ink:#F3F5F9; --ink-2:#A7AEC1; --ink-3:#6E7688;
    --violet:#9488EC; --violet-2:#7C6CE8; --violet-ink:#B3A9F4; --violet-dim:#1C1C36;
    --good:#5FD173; --warn:#E5B759; --crit:#F08A8A;
    --good-bg:rgba(95,209,115,.13);--warn-bg:rgba(229,183,89,.13);--crit-bg:rgba(240,138,138,.13);--info-bg:rgba(148,136,236,.14);
    --shadow-sm:0 1px 2px rgba(0,0,0,.30);
    --shadow:0 14px 34px -14px rgba(0,0,0,.55),0 2px 8px rgba(0,0,0,.3);
    --shadow-lg:0 26px 54px -18px rgba(0,0,0,.6);
    --ring:0 0 0 3px rgba(148,136,236,.28);
    --nav-bg:rgba(12,15,22,.80);
    --serp-shadow:0 1px 8px rgba(0,0,0,.4);
    --grad:linear-gradient(135deg,#3B82F6,#7C6CE8 52%,#9488EC);
    --wash:radial-gradient(60% 55% at 78% -10%,rgba(124,108,232,.20),transparent 70%);
  }
}

:root[data-theme="dark"]{
  --tile:linear-gradient(160deg,#262756,#1B1D3A); --tile-hi:rgba(255,255,255,.08); --tile-ring:rgba(148,136,236,.30); --tile-glow:0 10px 24px -12px rgba(124,108,232,.5);
  --glow:0 0 0 1px rgba(148,136,236,.22),0 16px 34px -14px rgba(124,108,232,.65);
  --mesh:radial-gradient(46% 60% at 12% -5%,rgba(59,130,246,.24),transparent 60%),radial-gradient(42% 55% at 90% 0%,rgba(148,136,236,.20),transparent 55%),radial-gradient(50% 60% at 55% 40%,rgba(124,108,232,.14),transparent 65%);
  --sheen:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.12) 50%,transparent 65%);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --tile:linear-gradient(160deg,#262756,#1B1D3A); --tile-hi:rgba(255,255,255,.08); --tile-ring:rgba(148,136,236,.30); --tile-glow:0 10px 24px -12px rgba(124,108,232,.5);
  --glow:0 0 0 1px rgba(148,136,236,.22),0 16px 34px -14px rgba(124,108,232,.65);
  --mesh:radial-gradient(46% 60% at 12% -5%,rgba(59,130,246,.24),transparent 60%),radial-gradient(42% 55% at 90% 0%,rgba(148,136,236,.20),transparent 55%),radial-gradient(50% 60% at 55% 40%,rgba(124,108,232,.14),transparent 65%);
  --sheen:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.12) 50%,transparent 65%);
}}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{min-height:100vh;background:var(--bg);color:var(--ink);
     font:400 16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
     display:flex;flex-direction:column}
a{color:var(--violet-ink);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
.skip{position:absolute;left:-999px;top:8px;background:var(--violet);color:#fff;padding:9px 14px;border-radius:8px;z-index:60}
.skip:focus{left:12px}

.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.nav{position:sticky;top:0;z-index:30;padding:13px 0;border-bottom:1px solid var(--line);
     background:var(--nav-bg);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px)}
.nav .wrap{display:flex;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:650;font-size:16px;color:var(--ink);letter-spacing:-.3px}
.brand:hover{text-decoration:none}
.brand .mk{width:29px;height:29px;border-radius:9px;display:grid;place-items:center;flex:none;
           background:var(--grad);box-shadow:0 4px 12px -2px rgba(108,92,231,.5);transition:transform .25s cubic-bezier(.2,.7,.3,1)}
.brand:hover .mk{transform:rotate(-8deg) scale(1.08)}
.brand .mk svg{width:15px;height:15px;stroke:#fff;stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.brand span{color:var(--violet-ink)}
.nav nav{margin-left:auto;display:flex;gap:20px;font-size:14.5px;overflow-x:auto;scrollbar-width:none}
.nav nav::-webkit-scrollbar{display:none}
.nav nav a{color:var(--ink-2);white-space:nowrap;font-weight:500;padding:2px 0}
.nav nav a:hover{color:var(--violet-ink);text-decoration:none}
.theme-btn{flex:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);
           color:var(--ink-2);display:grid;place-items:center;cursor:pointer;transition:.15s}
.theme-btn:hover{color:var(--violet-ink);border-color:var(--line-2);background:var(--surface-3)}
.theme-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.theme-btn .i-sun{display:none}.theme-btn .i-moon{display:block}
:root[data-theme="dark"] .theme-btn .i-sun{display:block}
:root[data-theme="dark"] .theme-btn .i-moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-btn .i-sun{display:block}:root:not([data-theme="light"]) .theme-btn .i-moon{display:none}}

main{flex:1;padding:40px 0 78px}

/* ---------- type ---------- */
h1{font-size:clamp(1.9rem,4.6vw,2.7rem);line-height:1.1;letter-spacing:-1.1px;font-weight:700;text-wrap:balance}
h2{font-size:1.4rem;font-weight:650;letter-spacing:-.5px;margin-bottom:18px}
h3{font-size:1rem;font-weight:600;margin-bottom:8px}
p{color:var(--ink-2);max-width:74ch}
.lede{font-size:1.1rem;line-height:1.6;margin-top:14px;color:var(--ink-2)}
.eyebrow{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
         color:var(--violet-ink);font-weight:600}
.muted{color:var(--ink-3);font-size:.9rem}
.mono{font-family:var(--mono);font-size:.86em;word-break:break-all;overflow-wrap:anywhere}
.stack{display:flex;flex-direction:column;gap:46px}
.hero,.stack>*{animation:fadeUp .55s cubic-bezier(.2,.7,.3,1) both}
.stack>*:nth-child(2){animation-delay:.05s}.stack>*:nth-child(3){animation-delay:.1s}.stack>*:nth-child(4){animation-delay:.15s}.stack>*:nth-child(5){animation-delay:.2s}.stack>*:nth-child(n+6){animation-delay:.25s}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}}

/* ---------- breadcrumbs ---------- */
.crumbs{font-size:13px;color:var(--ink-3);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--ink-2)}
.crumbs span[aria-hidden]{color:var(--line-2)}

/* ---------- cards + grids ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow)}
.tool-card,.cat-card,.post-card{position:relative;overflow:hidden}
.tool-card::before,.cat-card::before,.post-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.2,.7,.3,1)}
.tool-card:hover::before,.cat-card:hover::before,.post-card:hover::before{transform:scaleX(1)}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.tool-card{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;color:var(--ink);
           box-shadow:var(--shadow);transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s}
.tool-card:not(:has(.tc-ic)){display:block}
.tool-card:hover{border-color:var(--violet);box-shadow:var(--shadow-lg);transform:translateY(-5px);text-decoration:none}
.tc-ic{flex:none;width:48px;height:48px;border-radius:14px;background:var(--tile);color:var(--violet-ink);display:grid;place-items:center;position:relative;
       box-shadow:inset 0 1px 0 var(--tile-hi),0 0 0 1px var(--tile-ring),var(--tile-glow);
       transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,background .22s,color .22s}
.tool-card:hover .tc-ic{background:var(--grad);color:#fff;transform:translateY(-2px) scale(1.07) rotate(-4deg);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),var(--glow)}
.tc-ic .ico{width:23px;height:23px}
.tc-body{flex:1;min-width:0}
.tool-card b,.tc-body b{display:block;font-weight:650;font-size:1.05rem;margin-bottom:7px;letter-spacing:-.3px}
.tc-body>span,.tool-card>span:not(.tc-ic):not(.tc-body){display:block;color:var(--ink-2);font-size:.92rem;line-height:1.62}
.cat-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;color:var(--ink);
          box-shadow:var(--shadow);transition:box-shadow .18s,border-color .18s,transform .18s cubic-bezier(.2,.7,.3,1)}
.cat-card:hover{border-color:var(--violet);box-shadow:var(--shadow-lg);transform:translateY(-4px);text-decoration:none}
.cat-card h3{margin-bottom:6px;font-size:1.12rem;letter-spacing:-.3px}
.cat-card h3 a{color:var(--ink)}
.cat-card p{font-size:.92rem;line-height:1.6;margin-bottom:16px}
.cat-card ul{list-style:none;font-size:.92rem}
.cat-card li{padding:4px 0}
.cat-card li a{color:var(--ink-2)}
.cat-card li a:hover{color:var(--violet-ink)}
.cat-card .count{font-family:var(--mono);font-size:11px;color:var(--violet-ink)}
.cat-ic{width:50px;height:50px;border-radius:15px;background:var(--tile);color:var(--violet-ink);display:grid;place-items:center;margin-bottom:16px;position:relative;
        box-shadow:inset 0 1px 0 var(--tile-hi),0 0 0 1px var(--tile-ring),var(--tile-glow);
        transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,background .22s,color .22s}
.cat-ic .ico{width:24px;height:24px}
.cat-card:hover .cat-ic{background:var(--grad);color:#fff;transform:translateY(-2px) scale(1.07) rotate(-4deg);box-shadow:inset 0 1px 0 rgba(255,255,255,.35),var(--glow)}

/* ---------- buttons + inputs ---------- */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--r-sm);padding:12px 22px;cursor:pointer;
     font:600 15px var(--sans);color:#fff;background:var(--grad);box-shadow:0 6px 16px -6px rgba(108,92,231,.55);
     transition:transform .15s,box-shadow .15s,opacity .15s}
.btn::after{content:"";position:absolute;inset:0;background:var(--sheen);transform:translateX(-130%);transition:transform .55s ease;pointer-events:none}
.btn:hover::after{transform:translateX(130%)}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px -8px rgba(108,92,231,.65);text-decoration:none}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:wait;transform:none;box-shadow:none}
.btn.ghost{background:var(--surface-2);color:var(--ink);border:1px solid var(--line-2);box-shadow:none;font-weight:550;padding:9px 15px;font-size:13.5px}
.btn.ghost:hover{border-color:var(--violet);color:var(--violet-ink);background:var(--surface-3);box-shadow:none}
input[type=text],input[type=email],textarea{width:100%;background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-sm);
     color:var(--ink);font:15px var(--sans);padding:12px 14px;outline:0;transition:border-color .15s,box-shadow .15s}
textarea{min-height:150px;resize:vertical;font-family:var(--mono);font-size:13.5px;line-height:1.6}
input:focus,textarea:focus{border-color:var(--violet);box-shadow:var(--ring)}
::placeholder{color:var(--ink-3);opacity:1}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}

.search{display:flex;gap:8px;background:var(--surface);border:1px solid var(--line-2);border-radius:13px;padding:7px;max-width:580px;
        box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s}
.search:focus-within{border-color:var(--violet);box-shadow:var(--ring)}
.search input{flex:1;min-width:0;background:none;border:0;box-shadow:none!important;padding:11px 12px}
.search input:focus{border:0}
.search button,.search .btn{flex:none}

/* ---------- tool page ---------- */
.tool-head{margin-bottom:26px}
.head-row{display:flex;align-items:center;gap:15px;margin-bottom:6px}
.head-ic{flex:none;width:54px;height:54px;border-radius:15px;background:var(--tile);color:var(--violet-ink);display:grid;place-items:center;
         box-shadow:inset 0 1px 0 var(--tile-hi),0 0 0 1px var(--tile-ring),var(--tile-glow)}
.head-ic .ico{width:27px;height:27px}
@media(max-width:600px){.head-ic{width:44px;height:44px;border-radius:12px}.head-ic .ico{width:23px;height:23px}}
.tool-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;display:grid;gap:15px;max-width:780px;box-shadow:var(--shadow)}
.tool-form .field span{display:block;font-size:13px;font-weight:500;color:var(--ink-2);margin-bottom:6px}
.tool-form .row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.tool-form .row .field{flex:1;min-width:220px}
.choice{border:0;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.choice legend{font-size:13px;font-weight:500;color:var(--ink-2);margin-right:6px;float:left;padding-top:8px}
.choice label{display:inline-flex;align-items:center;gap:6px;background:var(--surface-2);border:1px solid var(--line-2);border-radius:999px;
              padding:7px 15px;font-size:14px;cursor:pointer;color:var(--ink-2);transition:.14s}
.choice label:has(input:checked){border-color:var(--violet);color:var(--violet-ink);background:var(--info-bg)}
.choice input{accent-color:var(--violet)}
.form-note{font-size:13px;color:var(--ink-3)}
.form-note.good{color:var(--good)} .form-note.bad{color:var(--crit)}
.notice{border-radius:var(--r);padding:15px 17px;border:1px solid var(--line);border-left:3px solid var(--violet);background:var(--surface);
        font-size:.95rem;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.notice.bad{border-left-color:var(--crit)} .notice.warn{border-left-color:var(--warn)} .notice.good{border-left-color:var(--good)}

/* ---------- result ---------- */
#result:empty{display:none}
#result{margin-top:28px;max-width:100%}
.progress{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.spin{width:22px;height:22px;border-radius:50%;border:3px solid var(--line-2);border-top-color:var(--violet);animation:spin .8s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
.res{display:flex;flex-direction:column;gap:22px}
.res-sum{display:flex;gap:22px;align-items:center;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
         border-left:4px solid var(--violet);box-shadow:var(--shadow)}
.res-sum.good{border-left-color:var(--good)} .res-sum.warn{border-left-color:var(--warn)} .res-sum.bad{border-left-color:var(--crit)}
.res-sum h2{margin:0 0 6px;font-size:1.28rem}
.res-sum p{margin:0;font-size:.95rem}
.ring{--p:0;--c:var(--violet);width:98px;height:98px;border-radius:50%;flex:none;display:grid;place-items:center;
      background:conic-gradient(var(--c) calc(var(--p)*1%),var(--surface-3) 0)}
.ring>div{width:78px;height:78px;border-radius:50%;background:var(--surface);display:grid;place-items:center;text-align:center;line-height:1}
.ring b{font-size:1.85rem;font-weight:700;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.ring small{display:block;font-size:9.5px;color:var(--ink-3);margin-top:3px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.06em}
.ring.good{--c:var(--good)} .ring.warn{--c:var(--warn)} .ring.bad{--c:var(--crit)}
.stats{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:13px 15px;box-shadow:var(--shadow-sm)}
.stat dt{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:5px}
.stat dd{font-size:1.08rem;font-weight:650;overflow-wrap:anywhere}
.stat.good dd{color:var(--good)} .stat.warn dd{color:var(--warn)} .stat.bad dd{color:var(--crit)}
.sec h3{font-size:1.04rem;margin-bottom:6px}
.sec>p{font-size:.9rem;margin-bottom:11px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:4px 20px;box-shadow:var(--shadow-sm)}
.chk{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.chk:last-child{border-bottom:0}
.dot{flex:none;width:23px;height:23px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:2px}
.dot.pass{background:var(--good-bg);color:var(--good)} .dot.warn{background:var(--warn-bg);color:var(--warn)}
.dot.fail{background:var(--crit-bg);color:var(--crit)} .dot.info{background:var(--info-bg);color:var(--violet-ink)}
.chk .b{flex:1;min-width:0}
.chk .t{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}
.chk .t b{font-weight:600;font-size:.95rem}
.chk .v{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);overflow-wrap:anywhere}
.chk .h{font-size:.87rem;color:var(--ink-3);margin-top:3px}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:500;white-space:nowrap;background:var(--surface-2)}
tbody tr:hover{background:var(--surface-2)}
tr:last-child td{border-bottom:0}
td.good{color:var(--good)} td.warn{color:var(--warn)} td.bad{color:var(--crit)}
td.mono{font-size:12.5px;max-width:440px}
td.n,th.n{font-variant-numeric:tabular-nums;text-align:right}
.rank{font-family:var(--mono);color:var(--ink-3);font-size:.85rem;width:34px}
.pairs{display:grid;grid-template-columns:minmax(140px,max-content) 1fr;gap:0}
.pairs dt,.pairs dd{padding:11px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.pairs dt{color:var(--ink-3);padding-right:18px}
.pairs dd{overflow-wrap:anywhere}
.pairs dd.good{color:var(--good)} .pairs dd.warn{color:var(--warn)} .pairs dd.bad{color:var(--crit)}
.pairs dt:nth-last-child(2),.pairs dd:last-child{border-bottom:0}
pre.code{background:var(--surface-3);border:1px solid var(--line);border-radius:12px;padding:15px 17px;font:12.5px/1.6 var(--mono);color:var(--ink);
         overflow:auto;max-height:520px;white-space:pre}
.code-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}
ul.plain{padding-left:20px;color:var(--ink-2);font-size:.95rem}
ul.plain li{padding:3px 0}
.fixes{background:var(--warn-bg);border:1px solid var(--line);border-left:3px solid var(--warn);border-radius:var(--r);padding:17px 21px}
.fixes h3{color:var(--ink)}
.fixes ol{padding-left:20px;color:var(--ink-2);font-size:.95rem}
.fixes li{padding:3px 0}
.next{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}
.res-meta{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font-size:12.5px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:15px}
.res-meta .acts{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.res-error{background:var(--crit-bg);border:1px solid var(--crit);border-radius:var(--r);padding:18px 20px}
.res-error strong{color:var(--crit)}
.res-error p{margin-top:6px}

/* SERP + social previews (SERP stays light to mimic Google) */
.serp{background:#fff;color:#202124;border-radius:12px;padding:18px 20px;max-width:640px;font-family:Arial,sans-serif;box-shadow:var(--serp-shadow)}
.serp .u{font-size:13px;color:#4d5156;margin-bottom:4px;overflow-wrap:anywhere}
.serp .ti{font-size:20px;line-height:1.3;color:#1a0dab;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.serp .de{font-size:14px;line-height:1.58;color:#4d5156;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.social{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;overflow:hidden;max-width:520px}
.social .im{aspect-ratio:1.91/1;background:var(--surface-3) center/cover no-repeat;display:grid;place-items:center;color:var(--ink-3);font-size:13px}
.social .im img{width:100%;height:100%;object-fit:cover;display:block}
.social .tx{padding:12px 14px}
.social .si{font-size:11px;text-transform:uppercase;color:var(--ink-3);letter-spacing:.05em}
.social .st{font-weight:600;margin:3px 0;overflow-wrap:anywhere}
.social .sd{font-size:.88rem;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.shot{border:1px solid var(--line);border-radius:12px;max-height:520px;width:auto;display:block;box-shadow:var(--shadow-sm)}

/* ---------- prose (Markdown content) ---------- */
.prose{max-width:760px;font-size:1rem}
.prose h2{font-size:1.4rem;margin:40px 0 13px}
.prose h3{font-size:1.1rem;margin:28px 0 8px}
.prose p,.prose li{color:var(--ink-2)}
.prose p{margin:0 0 15px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 16px}
.prose li{margin:5px 0}
.prose strong{color:var(--ink);font-weight:650}
.prose code{font-family:var(--mono);font-size:.87em;background:var(--surface-3);border:1px solid var(--line);border-radius:5px;padding:1px 6px;color:var(--ink)}
.prose pre{background:var(--surface-3);border:1px solid var(--line);border-radius:12px;padding:15px 17px;overflow:auto;margin:0 0 16px}
.prose pre code{background:none;border:0;padding:0;font-size:13px;color:var(--ink)}
.prose blockquote{border-left:3px solid var(--violet);padding:2px 0 2px 16px;margin:0 0 16px;color:var(--ink-2)}
.prose table{margin:0 0 18px;display:block;overflow-x:auto}
.prose a{text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--line-2)}
.prose a:hover{text-decoration-color:var(--violet)}
.prose .hl{margin-left:6px;color:var(--line-2);font-weight:400;opacity:0;text-decoration:none}
.prose h2:hover .hl,.prose h3:hover .hl{opacity:1}
.prose hr{border:0;border-top:1px solid var(--line);margin:30px 0}

/* ---------- lists / blog ---------- */
.links{list-style:none;display:grid;gap:9px}
.links a{color:var(--ink)}
.links li span{display:block;color:var(--ink-3);font-size:.86rem}
.post-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;color:var(--ink);
           box-shadow:var(--shadow);transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s}
.post-card:hover{border-color:var(--violet);box-shadow:var(--shadow-lg);transform:translateY(-4px);text-decoration:none}
.post-card b{display:block;font-size:1.08rem;margin-bottom:7px;letter-spacing:-.3px}
.post-card span{display:block;color:var(--ink-2);font-size:.92rem;line-height:1.62}
.post-card small{display:block;margin-top:12px;font-family:var(--mono);font-size:10.5px;color:var(--violet-ink);text-transform:uppercase;letter-spacing:.08em}
.pager{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:20px}

/* ---------- hero + home ---------- */
.hero{position:relative;padding:16px 0 8px}
.hero::before{content:"";position:absolute;inset:-60px -80px auto -80px;height:430px;background:var(--mesh);z-index:-1;pointer-events:none;filter:blur(4px);animation:meshDrift 20s ease-in-out infinite alternate}
@keyframes meshDrift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-3%,2%,0) scale(1.08)}}
.hero h1{font-size:clamp(2.1rem,5.4vw,3.1rem)}
.hero h1 span{color:var(--violet-ink);background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-in{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero-copy{min-width:0}
.trust{list-style:none;display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:20px;font-size:13.5px;color:var(--ink-2);font-weight:500}
.trust li{display:inline-flex;align-items:center;gap:8px}
.trust li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px var(--good-bg);flex:none}
.hero-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--shadow-lg);overflow:hidden;animation:floaty 6s ease-in-out infinite}
.hero-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.hc-top{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-3);font-family:var(--mono);margin-bottom:18px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hc-top .d{width:8px;height:8px;border-radius:50%;background:var(--good);flex:none;box-shadow:0 0 0 3px var(--good-bg)}
.hc-score{display:flex;align-items:center;gap:20px}
.hc-rows{display:grid;gap:10px;flex:1;min-width:0}
.hc-row{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-2);font-weight:500}
.hc-row::before{content:"✓";flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;background:var(--good-bg);color:var(--good)}
.hc-row.warn::before{content:"!";background:var(--warn-bg);color:var(--warn)}
@media(max-width:860px){.hero-in{grid-template-columns:1fr;gap:28px}}
@media(max-width:480px){.hero-card{padding:16px 16px}.hc-score{gap:14px}}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid currentColor;white-space:nowrap}
.pill.v{color:var(--violet-ink)} .pill.g{color:var(--good)} .pill.m{color:var(--ink-3)}
a.pill:hover{background:var(--info-bg);text-decoration:none}
.cta{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--violet-dim),var(--surface));border:1px solid var(--line-2);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm)}
.quote{border-left:2px solid var(--violet);padding:2px 0 2px 14px;color:var(--ink-2);font-size:.9rem;margin-bottom:12px}
.quote em{color:var(--ink);font-style:normal;font-weight:500}

/* citation index */
.stat.hero dd{color:var(--violet-ink);font-size:2.4rem}
.score{display:inline-flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums}
.score b{font-size:2.6rem;font-weight:700;letter-spacing:-1.5px;line-height:1}
.score small{color:var(--ink-3);font-size:.8rem}
.bar{height:7px;border-radius:99px;background:var(--surface-3);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;border-radius:99px;background:var(--grad)}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:46px 0 30px;font-size:14px;background:var(--surface)}
.foot-grid{display:grid;gap:28px;grid-template-columns:2fr 1fr 1fr 1fr}
.foot h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:500;margin-bottom:11px}
.foot-grid a:not(.brand){display:block;color:var(--ink-2);padding:3px 0}
.foot-grid a:not(.brand):hover{color:var(--violet-ink)}
.copy{margin-top:30px;color:var(--ink-3);font-size:13px;max-width:none}

@media(max-width:760px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:600px){
  main{padding:28px 0 60px}
  .nav .wrap{flex-wrap:wrap;gap:10px}
  .nav nav{order:3;margin-left:0;width:100%;gap:18px;font-size:14px}
  .theme-btn{margin-left:auto}
  .search{flex-direction:column}
  .search button,.search .btn{width:100%}
  .tool-form{padding:18px}
  .tool-form .btn{width:100%}
  .pairs{grid-template-columns:1fr}
  .pairs dt{border-bottom:0;padding-bottom:0}
  .res-meta .acts{margin-left:0}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}