/* DPI Analyzer Pro — design system v2
   Modern glass/glow aesthetic. Dark-first with manual light/dark toggle
   (html[data-theme]); OS preference respected on first visit via inline head script.
   System font stack only — no webfonts, no external requests. */

/* ---------- Theme tokens ---------- */
:root,
html[data-theme="dark"]{
  color-scheme:dark;
  --bg:#070b12;
  --surface:#0d1420;
  --surface-2:#121b2b;
  --surface-glass:rgba(13,20,32,.72);
  --border:#1e2a3d;
  --border-bright:#2c3d58;
  --text:#f2f6fc;
  --muted:#93a1b5;
  --faint:#5d6b80;
  --accent:#4d8dff;
  --accent-strong:#7aa8ff;
  --accent-deep:#2f6df0;
  --on-accent:#ffffff;
  --glow:rgba(77,141,255,.35);
  --glow-soft:rgba(77,141,255,.12);
  --ok:#34d399;
  --warn:#fbbf24;
  --bad:#f87171;
  --radius:.875rem;
  --radius-lg:1.25rem;
  --maxw:72rem;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --shadow-card:0 18px 45px -18px rgba(0,0,0,.55);
}
html[data-theme="light"]{
  color-scheme:light;
  --bg:#f3f6fb;
  --surface:#ffffff;
  --surface-2:#e8eef7;
  --surface-glass:rgba(255,255,255,.78);
  --border:#d9e2ef;
  --border-bright:#b9c8de;
  --text:#0b1220;
  --muted:#4d5b6e;
  --faint:#8b96a8;
  --accent:#1f6feb;
  --accent-strong:#1a5fd0;
  --accent-deep:#1a5fd0;
  --on-accent:#ffffff;
  --glow:rgba(31,111,235,.22);
  --glow-soft:rgba(31,111,235,.08);
  --ok:#047857;
  --warn:#b45309;
  --bad:#dc2626;
  --shadow-card:0 18px 40px -22px rgba(30,60,120,.25);
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:1rem;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(52rem 30rem at 12% -8%, var(--glow-soft), transparent 62%),
    radial-gradient(46rem 28rem at 88% 4%, var(--glow-soft), transparent 60%),
    var(--bg);
  background-attachment:fixed;
  min-height:100vh;
}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .8rem;color:var(--text);letter-spacing:-.015em}
h1{font-size:clamp(1.7rem,4.2vw,2.4rem);font-weight:800;letter-spacing:-.025em}
h2{font-size:1.4rem;font-weight:750}
h3{font-size:1.12rem;font-weight:700}
p{margin:0 0 1rem}
a{color:var(--accent);text-decoration:underline;text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--accent-strong)}
img,svg,canvas,video{max-width:100%}
img{height:auto}
canvas{display:block}

/* Eyebrow labels — small uppercase section kickers */
.eyebrow{
  display:block;font-size:.74rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin:0 0 .6rem;
}
/* Gradient accent text */
.grad-text{
  background:linear-gradient(100deg,var(--accent-strong),var(--accent) 55%,#a78bfa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* Focus — always visible, both themes */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,
summary:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:.35rem;
}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.1rem}
@media(min-width:64rem){.wrap{padding:0 1.75rem}}
main .wrap{padding-top:2rem;padding-bottom:3.5rem}
/* Generous section rhythm */
main .wrap > section{margin-bottom:2.75rem}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--accent);color:var(--on-accent);
  padding:.6rem 1rem;border-radius:0 0 .6rem .6rem;font-weight:600;text-decoration:none;
}
.skip-link:focus{left:.5rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:.7rem;min-height:4rem}
.brand{
  display:flex;align-items:center;gap:.55rem;
  font-weight:800;font-size:1.18rem;letter-spacing:-.02em;
  color:var(--text);text-decoration:none;margin-right:auto;white-space:nowrap;
}
.brand:hover{color:var(--text)}
.brand span{color:var(--accent)}
.brand-mark{width:1.8rem;height:1.8rem;color:var(--accent);flex:none;filter:drop-shadow(0 0 8px var(--glow))}

/* Theme toggle */
.theme-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:2.6rem;height:2.6rem;border-radius:999px;flex:none;
  background:var(--surface-2);border:1px solid var(--border);
  color:var(--text);cursor:pointer;
  transition:border-color .15s ease,transform .15s ease;
}
.theme-toggle:hover{border-color:var(--accent);transform:translateY(-1px)}
.theme-toggle svg{width:1.2rem;height:1.2rem}
/* Icon shows the mode you will switch TO (matches the aria-label) */
.theme-toggle .icon-moon{display:none}
.theme-toggle .icon-sun{display:block}
html[data-theme="light"] .theme-toggle .icon-moon{display:block}
html[data-theme="light"] .theme-toggle .icon-sun{display:none}

/* Nav toggle (mobile) */
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:2.6rem;height:2.6rem;font-size:1.3rem;line-height:1;
  background:var(--surface-2);border:1px solid var(--border);border-radius:999px;
  color:var(--text);cursor:pointer;flex:none;
}
.nav-toggle:hover{border-color:var(--accent)}

/* Primary nav */
#primary-nav{display:none;width:100%}
#primary-nav.open{display:block}
#primary-nav ul{list-style:none;margin:0;padding:.5rem 0 1rem;display:flex;flex-direction:column;gap:.15rem}
#primary-nav a,#primary-nav button{
  display:block;width:100%;text-align:left;
  padding:.6rem .8rem;border-radius:.65rem;
  color:var(--text);text-decoration:none;font-size:.97rem;font-weight:550;
  background:transparent;border:0;cursor:pointer;font-family:inherit;
}
#primary-nav a:hover,#primary-nav button:hover{background:var(--surface-2);color:var(--text)}
#primary-nav .has-sub{position:relative}
#primary-nav .has-sub > button::after{
  content:"";display:inline-block;margin-left:.4rem;vertical-align:.15em;
  border:.32em solid transparent;border-top-color:currentColor;transform:translateY(.15em);
}
#primary-nav .has-sub > button[aria-expanded="true"]::after{transform:rotate(180deg) translateY(-.15em)}
#primary-nav .sub{display:none;list-style:none;margin:0;padding:.15rem 0 .15rem 1rem}
#primary-nav .has-sub > button[aria-expanded="true"] + .sub{display:block}
#primary-nav .sub a{font-size:.93rem;color:var(--muted);font-weight:500}
#primary-nav .sub a:hover{color:var(--text)}

@media(min-width:56.25rem){
  .nav-toggle{display:none}
  #primary-nav{display:block;width:auto}
  #primary-nav ul{flex-direction:row;align-items:center;gap:.1rem;padding:0}
  #primary-nav a,#primary-nav button{padding:.55rem .75rem;white-space:nowrap}
  #primary-nav .sub{
    display:block;position:absolute;top:calc(100% + .4rem);left:0;min-width:15.5rem;
    background:var(--surface-glass);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow-card);
    padding:.45rem;opacity:0;visibility:hidden;transform:translateY(.4rem);
    transition:opacity .16s ease,transform .16s ease,visibility .16s;
  }
  #primary-nav .has-sub:hover > .sub,
  #primary-nav .has-sub:focus-within > .sub,
  #primary-nav .has-sub > button[aria-expanded="true"] + .sub{
    opacity:1;visibility:visible;transform:translateY(0);
  }
  #primary-nav .sub a{padding:.55rem .85rem;border-radius:.5rem}
}

/* ---------- Hero ---------- */
.hero{padding:2.5rem 0 1rem;text-align:left;position:relative}
@media(min-width:56.25rem){
  .hero{display:grid;grid-template-columns:1.25fr .75fr;gap:3rem;align-items:center;padding:3.5rem 0 2rem}
}
.hero-title{font-size:clamp(2.1rem,5.5vw,3.4rem);font-weight:800;letter-spacing:-.03em;line-height:1.08;margin:0 0 1rem}
.hero-title .dim{color:var(--muted);font-weight:700}
.hero-lede{font-size:1.1rem;color:var(--muted);max-width:56ch;margin:0 0 1.6rem;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin:0 0 1.4rem}
.hero-badges{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:0;padding:0}
.hero-badges li{
  font-size:.8rem;font-weight:600;color:var(--muted);
  border:1px solid var(--border);border-radius:999px;padding:.32rem .8rem;
  background:var(--surface-glass);
}
.hero-visual{display:none}
@media(min-width:56.25rem){
  .hero-visual{display:flex;align-items:center;justify-content:center;min-height:19rem}
  .hero-visual svg{width:min(100%,21rem);height:auto;filter:drop-shadow(0 0 42px var(--glow))}
}

/* ---------- Breadcrumbs / byline ---------- */
.breadcrumbs{margin:0 0 1.1rem;font-size:.875rem}
.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem}
.breadcrumbs li{display:flex;align-items:center;gap:.4rem}
.breadcrumbs li+li::before{content:"/";color:var(--faint)}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs [aria-current]{color:var(--text)}
.byline{color:var(--muted);font-size:.92rem;margin:-.25rem 0 1.6rem}
.byline a{color:var(--accent)}

/* ---------- Prose ---------- */
main .wrap > p,main .wrap > ul,main .wrap > ol,
.prose p,.prose ul,.prose ol{line-height:1.75}
main .wrap > h2,main .wrap > h3{margin-top:2.5rem}
main .wrap > ul,main .wrap > ol,.prose ul,.prose ol{margin:0 0 1.25rem;padding-left:1.5rem}
main .wrap li,.prose li{margin-bottom:.45rem}
main blockquote,.prose blockquote{
  margin:0 0 1.25rem;padding:.9rem 1.2rem;
  border-left:3px solid var(--accent);background:var(--surface-glass);
  border-radius:0 var(--radius) var(--radius) 0;color:var(--muted);
}
main code,.prose code{
  font-family:var(--mono);font-size:.88em;
  background:var(--surface-2);border:1px solid var(--border);
  padding:.12em .4em;border-radius:.35rem;
}
main pre,.prose pre{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:1rem;overflow-x:auto;font-family:var(--mono);font-size:.85rem;line-height:1.55;
}
main pre code,.prose pre code{background:none;border:0;padding:0}
main hr,.prose hr{border:0;border-top:1px solid var(--border);margin:2.25rem 0}
.kbd{
  font-family:var(--mono);font-size:.82em;background:var(--surface-2);
  border:1px solid var(--border);border-bottom-width:2px;border-radius:.4rem;
  padding:.1em .45em;white-space:nowrap;
}

/* ---------- Tool UI primitives ---------- */
.tool-panel{
  position:relative;
  background:var(--surface-glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:1.4rem;margin:0 0 1.75rem;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.tool-panel::before{
  content:"";position:absolute;top:0;left:1.25rem;right:1.25rem;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent) 30%,var(--accent) 70%,transparent);
  opacity:.55;
}
@media(min-width:40rem){.tool-panel{padding:2rem}}
.tool-panel h2{margin-top:0;font-size:1.25rem}

/* Result hero — the headline number dominates */
.result-hero{
  text-align:center;
  background:var(--surface-glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:2rem 1.5rem;margin:0 0 1.25rem;
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.result-hero::before{
  content:"";position:absolute;top:-40%;left:50%;transform:translateX(-50%);
  width:26rem;height:16rem;pointer-events:none;
  background:radial-gradient(closest-side,var(--glow-soft),transparent);
}
.result-hero .k{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.result-hero .result-value{
  font-size:clamp(3rem,9vw,4.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;
  margin:.4rem 0 .2rem;
  background:linear-gradient(100deg,var(--accent-strong),var(--accent) 60%,#a78bfa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.result-hero .sub{color:var(--muted);font-size:.92rem}

.field{margin-bottom:1.05rem}
.field > label,.field > .label{display:block;font-weight:650;margin-bottom:.45rem;font-size:.95rem}
.field .hint{display:block;font-weight:400;color:var(--muted);font-size:.85rem;margin-top:.3rem}

input[type="text"],input[type="number"],input[type="email"],input[type="search"],
select,textarea{
  width:100%;padding:.7rem .85rem;font-size:1rem;font-family:inherit;
  color:var(--text);background:var(--bg);
  border:1px solid var(--border);border-radius:.65rem;
  transition:border-color .15s ease,box-shadow .15s ease;
}
input:hover,select:hover,textarea:hover{border-color:var(--border-bright)}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--glow-soft);outline:none}
input[type="range"]{width:100%;accent-color:var(--accent)}
input[type="checkbox"],input[type="radio"]{width:1.1rem;height:1.1rem;accent-color:var(--accent)}
textarea{min-height:7rem;resize:vertical}

/* Buttons — pill, primary glows */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.75rem 1.6rem;font-size:1rem;font-weight:700;font-family:inherit;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  text-decoration:none;line-height:1.4;
  transition:transform .14s ease,box-shadow .14s ease,background .14s ease,border-color .14s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(180deg,var(--accent-strong),var(--accent-deep));color:var(--on-accent);box-shadow:0 8px 26px -8px var(--glow)}
.btn-primary:hover{background:linear-gradient(180deg,var(--accent-strong),var(--accent-deep));color:var(--on-accent);box-shadow:0 10px 32px -8px var(--glow)}
.btn-secondary{background:var(--surface-2);border-color:var(--border);color:var(--text)}
.btn-secondary:hover{border-color:var(--accent);color:var(--text);box-shadow:0 6px 18px -10px var(--glow)}
.btn-danger{background:transparent;border-color:var(--bad);color:var(--bad)}
.btn-danger:hover{background:var(--bad);color:var(--on-accent)}
.btn-sm{padding:.5rem 1rem;font-size:.88rem}
.btn-row{display:flex;flex-wrap:wrap;gap:.65rem;margin:.8rem 0}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* Stats grids — quieter supporting stats */
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.7rem;margin:1rem 0}
@media(min-width:40rem){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat{
  background:var(--surface-glass);border:1px solid var(--border);border-radius:.8rem;
  padding:.8rem .9rem;text-align:center;
  transition:border-color .15s ease,transform .15s ease;
}
.stat:hover{border-color:var(--border-bright)}
.stat .stat-value{display:block;font-size:1.25rem;font-weight:750;color:var(--text);line-height:1.25;font-variant-numeric:tabular-nums}
.stat .stat-label{display:block;font-size:.72rem;font-weight:650;color:var(--faint);margin-top:.3rem;text-transform:uppercase;letter-spacing:.07em}

/* Tables */
.table-wrap{overflow-x:auto;margin:0 0 1.5rem;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card)}
table{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--surface-glass)}
caption{text-align:left;font-weight:700;padding:.85rem 1.1rem;border-bottom:1px solid var(--border)}
th,td{padding:.68rem .85rem;text-align:left;border-bottom:1px solid var(--border)}
thead th{background:var(--surface-2);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}

/* Cards — glass, lift on hover */
.card-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin:0 0 1.5rem;padding:0;list-style:none}
@media(min-width:40rem){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:64rem){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:block;background:var(--surface-glass);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:1.4rem;color:var(--text);text-decoration:none;
  box-shadow:var(--shadow-card);
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
  position:relative;overflow:hidden;
}
a.card:hover{border-color:var(--accent);color:var(--text);transform:translateY(-3px);box-shadow:0 22px 50px -18px var(--glow)}
.card h3{margin-top:0;color:var(--text);font-size:1.08rem}
.card p{color:var(--muted);font-size:.93rem;margin-bottom:0}
.card .card-arrow{position:absolute;top:1.2rem;right:1.2rem;color:var(--faint);font-size:1.1rem;transition:color .15s ease,transform .15s ease}
a.card:hover .card-arrow{color:var(--accent);transform:translate(2px,-2px)}

/* Result / callout boxes */
.result{
  background:var(--surface-glass);border:1px solid var(--accent);
  border-radius:var(--radius);padding:1.15rem 1.3rem;margin:1rem 0;
  box-shadow:0 0 32px -12px var(--glow);
}
.result strong{color:var(--accent-strong)}
.note,.callout{
  border:1px solid var(--border);border-left:3px solid var(--warn);
  background:var(--surface-glass);border-radius:0 var(--radius) var(--radius) 0;
  padding:.9rem 1.15rem;margin:0 0 1.25rem;color:var(--muted);font-size:.94rem;
}
.note strong,.callout strong{color:var(--text)}
.verdict-ok{border-left-color:var(--ok)}
.verdict-bad{border-left-color:var(--bad)}

/* Share / misc */
.share-box{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:1rem 0}
.share-link{
  flex:1 1 12rem;font-family:var(--mono);font-size:.82rem;
  background:var(--bg);border:1px solid var(--border);border-radius:.65rem;
  padding:.65rem .85rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- Related / FAQ ---------- */
.related{
  background:var(--surface-glass);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:1.4rem;margin:0 0 1.75rem;
  box-shadow:var(--shadow-card);
}
.related h2{font-size:1.12rem;margin-top:0}
.related ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
@media(min-width:40rem){.related ul{grid-template-columns:repeat(2,1fr)}}
.related a{text-decoration:none;font-weight:600}
.related a:hover{text-decoration:underline}

.faq-block{margin:2.75rem 0 0}
.faq-block > h2{margin-bottom:1.1rem}
.faq-item{
  background:var(--surface-glass);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:.65rem;overflow:hidden;
  transition:border-color .15s ease;
}
.faq-item:hover{border-color:var(--border-bright)}
.faq-item summary{
  padding:1.05rem 1.25rem;cursor:pointer;font-weight:700;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;font-size:1.35rem;line-height:1;color:var(--accent);font-weight:400;
  width:1.9rem;height:1.9rem;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:999px;
}
.faq-item[open] summary::after{content:"−";border-color:var(--accent)}
.faq-item summary:hover{color:var(--accent-strong)}
.faq-item > div{padding:0 1.25rem 1.25rem;color:var(--muted)}
.faq-item > div p:last-child{margin-bottom:0}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);background:var(--surface-glass);margin-top:2.5rem}
.footer-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1.75rem;
  padding:2.75rem 1.1rem 1.75rem;max-width:var(--maxw);margin:0 auto;
}
@media(min-width:56.25rem){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand p{color:var(--muted);font-size:.9rem;max-width:26ch}
.site-footer h2{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--faint);margin:0 0 .9rem}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
.site-footer ul a{color:var(--text);text-decoration:none;font-size:.93rem}
.site-footer ul a:hover{color:var(--accent);text-decoration:underline}
.footer-base{
  border-top:1px solid var(--border);padding:1.35rem 1.1rem;
  max-width:var(--maxw);margin:0 auto;
  font-size:.85rem;color:var(--muted);
  display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;align-items:center;justify-content:space-between;
}
.footer-base p{margin:0}
.footer-base a{color:var(--muted)}
.footer-base a:hover{color:var(--accent)}

/* ---------- 404 ---------- */
.error-page{text-align:center;padding:3.5rem 0}
.error-code{font-size:clamp(4rem,15vw,7rem);font-weight:800;letter-spacing:-.03em;line-height:1;margin-bottom:.5rem;
  background:linear-gradient(100deg,var(--accent-strong),var(--accent) 60%,#a78bfa);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.page-search{max-width:28rem;margin:1.5rem auto}
#page-list{list-style:none;margin:1rem auto 0;padding:0;max-width:34rem;text-align:left;display:grid;gap:.4rem}
#page-list a{display:block;padding:.65rem .95rem;background:var(--surface-glass);border:1px solid var(--border);border-radius:.65rem;text-decoration:none;color:var(--text)}
#page-list a:hover{border-color:var(--accent)}
#page-list [hidden]{display:none}

/* ---------- Utilities ---------- */
.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.muted{color:var(--muted)}
.center{text-align:center}
.mt-2{margin-top:2rem}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;scroll-behavior:auto!important}
}