/* rattenfalle.com – one file, no web fonts, no images */
:root{--paper:#f3f5f6;--card:#fff;--ink:#15202b;--mut:#4f5d6b;--line:#d5dde3;--sig:#f5c518;--link:#1a4f7a;--safe:#22654a;--safebg:#e7f2ec;--warn:#9a2b1b;--warnbg:#fbeee9;--r:4px;--w:44rem;--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
@media(prefers-color-scheme:dark){:root{--paper:#10161c;--card:#17202a;--ink:#e6ebee;--mut:#a9b5bf;--line:#2a3642;--link:#8fbfe8;--safe:#7fd1a7;--safebg:#13261d;--warn:#f0a08c;--warnbg:#2a1814}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:1rem}
body{margin:0;background:var(--paper);color:var(--ink);font:1.0625rem/1.65 var(--sans)}
a{color:var(--link);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--sig);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--sig);color:#15202b;padding:.5rem 1rem;z-index:9}
.wrap{max-width:72rem;margin:0 auto;padding:0 1.25rem}
/* header: the warning-tape stripe is the one loud element */
.site{background:var(--card);border-bottom:1px solid var(--line)}
.site::before{content:"";display:block;height:6px;background:repeating-linear-gradient(-45deg,var(--sig) 0 12px,#15202b 12px 24px)}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:.25rem 1.5rem;padding-top:.75rem;padding-bottom:.75rem}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo b{font-weight:800}.logo span{color:var(--mut);font-weight:500}
.nav{overflow-x:auto;flex:1 1 30rem}@media(max-width:60rem){.nav{-webkit-mask-image:linear-gradient(90deg,#000 80%,transparent);mask-image:linear-gradient(90deg,#000 80%,transparent)}}
.nav ul{display:flex;gap:1.25rem;list-style:none;margin:0;padding:0;white-space:nowrap}
.nav a{color:var(--ink);text-decoration:none;font-size:.95rem;display:block;padding:.5rem 0}
.nav a:hover,.nav a[aria-current]{box-shadow:inset 0 -3px var(--sig)}
/* article */
main{padding:1.5rem 1.25rem 3rem}
article{max-width:var(--w)}
.crumbs ol{display:flex;flex-wrap:wrap;list-style:none;margin:0 0 1rem;padding:0;font-size:.875rem;color:var(--mut)}
.crumbs li+li::before{content:"/";margin:0 .45rem;opacity:.6}
.crumbs a{color:var(--mut)}
h1,h2,h3{line-height:1.2;letter-spacing:-.015em;text-wrap:balance}
h1{font-size:clamp(1.85rem,4.5vw,2.6rem);font-weight:850;margin:.2rem 0 .6rem}
h2{font-size:1.5rem;margin:2.4rem 0 .7rem;padding-top:.2rem;border-top:3px solid var(--ink);display:inline-block}
h3{font-size:1.15rem;margin:1.6rem 0 .4rem}
p,ul,ol{margin:0 0 1rem}
li{margin-bottom:.35rem}
.meta{font-size:.875rem;color:var(--mut);margin-bottom:1.25rem}
.disc{font-size:.8125rem;color:var(--mut);border-left:3px solid var(--line);padding-left:.75rem}
.lead{font-size:1.18rem}
mark{background:linear-gradient(transparent 55%,var(--sig) 55%);color:inherit;padding:0 .1em}
/* boxes */
.tldr,.note,.warn,.pick{border-radius:var(--r);padding:1rem 1.15rem;margin:1.5rem 0}
.tldr{background:var(--card);border:2px solid var(--ink)}
.tldr>:first-child{margin-top:0}.tldr>:last-child,.note>:last-child,.warn>:last-child,.pick>:last-child{margin-bottom:0}
.tldr>strong:first-child{display:block;margin-bottom:.3rem}
.note{background:var(--safebg);border-left:5px solid var(--safe)}
.warn{background:var(--warnbg);border-left:5px solid var(--warn)}
.pick{background:var(--card);border:1px solid var(--line);border-top:5px solid var(--sig)}
.pick h3{margin-top:0}
.pick .for{color:var(--mut);font-size:.9rem;margin:-.2rem 0 .6rem}
.pc{display:grid;gap:0 1.5rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr))}
.pc ul{padding-left:1.2rem}
.pro li::marker{content:"+  ";color:var(--safe);font-weight:700}
.con li::marker{content:"–  ";color:var(--warn);font-weight:700}
.btn{display:inline-block;background:var(--sig);color:#15202b;font-weight:700;text-decoration:none;padding:.65rem 1.1rem;border-radius:var(--r);border:2px solid #15202b}
.btn:hover{background:#ffd84a}
/* steps are real sequences */
.steps{counter-reset:s;list-style:none;padding:0}
.steps>li{counter-increment:s;position:relative;padding-left:2.6rem;margin-bottom:1rem}
.steps>li::before{content:counter(s);position:absolute;left:0;top:.05rem;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--ink);color:var(--paper);font-weight:800;display:grid;place-items:center;font-size:.9rem}
/* tables */
.tbl{overflow-x:auto;margin:1.25rem 0}
table{border-collapse:collapse;width:100%;font-size:.95rem;background:var(--card)}
th,td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--line);vertical-align:top}
thead th{border-bottom:2px solid var(--ink)}
/* faq */
details.faq{border-bottom:1px solid var(--line);padding:.7rem 0}
details.faq summary{cursor:pointer;font-weight:700}
details.faq[open] summary{margin-bottom:.5rem}
/* topic index (hubs + children) */
.topics{list-style:none;padding:0;margin:1rem 0;border-top:1px solid var(--line)}
.topics li{border-bottom:1px solid var(--line);padding:.7rem 0;margin:0;display:grid;gap:.15rem}
.topics a{font-weight:700}
.topics span{color:var(--mut);font-size:.93rem}
.topics .soon{font-weight:700;color:var(--mut)}
@media(min-width:48rem){.topics.two{display:grid;grid-template-columns:1fr 1fr;column-gap:2rem}}
/* home */
.home article{max-width:none}
.home .col{max-width:var(--w)}
.hero{display:grid;gap:2rem;align-items:start;margin-bottom:1rem}
@media(min-width:60rem){.hero{grid-template-columns:1.05fr 1fr}}
.finder{background:var(--card);border:2px solid var(--ink);border-radius:var(--r);padding:1.15rem}
.finder h2{border:0;margin:0 0 .6rem;font-size:1.25rem}
.finder fieldset{border:0;padding:0;margin:0 0 .9rem}
.finder legend{font-weight:700;margin-bottom:.35rem}
.finder label{display:inline-flex;align-items:center;gap:.4rem;margin:0 .4rem .4rem 0;padding:.4rem .7rem;border:1px solid var(--line);border-radius:var(--r);cursor:pointer;font-size:.95rem}
.finder label:has(input:checked){border-color:var(--ink);background:var(--sig);color:#15202b}
.finder input{accent-color:#15202b}
.finder output{display:block;min-height:3.2rem;border-top:1px dashed var(--line);padding-top:.8rem}
.finder output strong{font-size:1.1rem}
/* footer */
footer{border-top:1px solid var(--line);background:var(--card);font-size:.9rem;color:var(--mut);padding:2rem 0}
.fcols{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr))}
footer ul{list-style:none;padding:0}
footer h2{font-size:1rem;border:0;margin:0 0 .5rem;color:var(--ink)}
footer a{color:var(--mut)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.site,footer,.btn,.finder{display:none}}