/* RapidShips Freight Knowledge: /freight-glossary/, /freight-answers/, /search/.
   Loaded after site.css and built only on its theme tokens (--bg, --surface, --surface-2, --mist, --ink,
   --muted, --line, --deep, --green, --btn-bg, --ink-bg), so light and dark themes both work.
   No infinite animations; motion is limited to short hover/focus transitions. */
.kn{--kn-r:18px;--kn-w:800px}
.kn [hidden]{display:none!important}
.kn .vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.kn svg.ki{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.kn a:focus-visible,.kn button:focus-visible,.kn input:focus-visible,.kn summary:focus-visible{outline:3px solid var(--green);outline-offset:2px}
.kn-narrow{max-width:calc(var(--kn-w) + 2*clamp(1.1rem,4vw,2.5rem))}
.kn mark{background:var(--green-soft);color:inherit;border-radius:3px;padding:0 .08em;box-shadow:inset 0 -2px 0 rgba(22,163,74,.45)}

/* ---------- page header (terms, answers, hubs) ---------- */
.kn-top{padding:clamp(1.5rem,4vw,2.6rem) 0 clamp(1.3rem,3vw,2rem);background:linear-gradient(180deg,var(--mist),var(--bg));border-bottom:1px solid var(--line)}
.kn-kick{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .5rem;margin:0;font:600 .7rem/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--deep)}
.kn-kick a{color:var(--muted);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.28rem .7rem;background:var(--surface);letter-spacing:.06em}
.kn-kick a:hover{color:var(--deep);border-color:var(--green)}
.kn-top h1{font:900 clamp(2rem,5.2vw,3.3rem)/1.05 var(--display);letter-spacing:-.03em;color:var(--ink);margin:.6rem 0 .9rem;text-wrap:balance}
.kn-top h1 .kn-abbr{color:var(--muted);font-weight:800}
.kn-top .lead{max-width:64ch;margin:0}
.kn-meta{display:flex;flex-wrap:wrap;gap:.35rem 1.1rem;margin:1rem 0 0;font:600 .7rem/1.5 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.kn-meta a{color:var(--deep)}

/* definition card: the answer comes first */
.kn-def{position:relative;margin:0;padding:1.15rem 1.3rem 1.2rem;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:14px;background:var(--surface);box-shadow:0 22px 50px -40px var(--shadow-c)}
.kn-lbl{display:block;margin:0 0 .35rem;font:700 .7rem/1.3 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--deep)}
.kn-def .kn-def-t{margin:0;font:600 clamp(1.08rem,2.1vw,1.24rem)/1.5 var(--display);color:var(--ink)}
.kn-def dfn{font-style:normal;font-weight:800}
.kn-simple{margin:.9rem 0 0;padding:.95rem 1.2rem;border-radius:14px;background:var(--mist);border:1px dashed var(--line)}
.kn-simple p:last-child{margin:0;color:var(--ink);line-height:1.6}

/* ---------- article body ---------- */
.kn-main{padding:clamp(1.8rem,4vw,2.8rem) 0 clamp(2.2rem,5vw,3.4rem)}
.kn-body{color:var(--ink);font-size:1.02rem;line-height:1.72}
.kn-body>section+section{margin-top:clamp(1.8rem,4vw,2.4rem)}
.kn-body h2{font:800 clamp(1.35rem,2.6vw,1.75rem)/1.2 var(--display);letter-spacing:-.015em;color:var(--ink);margin:0 0 .7rem}
.kn-body h3{font:800 1.08rem/1.35 var(--display);color:var(--ink);margin:1.3rem 0 .45rem}
.kn-body p{margin:0 0 1rem;color:var(--ink)}
.kn-body p:last-child{margin-bottom:0}
.kn-body ul,.kn-body ol{margin:0 0 1rem;padding-left:1.25rem}
.kn-body li{margin:.35rem 0}
.kn-body li::marker{color:var(--deep)}
.kn-body a:not(.kn-card):not(.kn-btn){color:var(--deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.kn-body a:not(.kn-card):not(.kn-btn):hover{color:var(--green)}
.kn-body sup a{font:600 .72rem var(--mono);text-decoration:none!important;padding:0 .1em}
.kn-body strong{font-weight:700}
.kn-note{font-size:.92rem;color:var(--muted)!important}
.kn-callout{margin:1.2rem 0;padding:1rem 1.2rem;border-radius:14px;background:var(--mist);border:1px solid var(--line)}
.kn-callout p{margin:.2rem 0 0}
.kn-callout .kn-lbl{margin:0}

/* tables: scroll only when needed */
.kn-body .table-scroll{margin:1.2rem 0;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.kn-body table{width:100%;border-collapse:collapse;font-size:.93rem;line-height:1.5}
.kn-body caption{caption-side:top;text-align:left;padding:.75rem .95rem .2rem;font:600 .7rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.kn-body th,.kn-body td{padding:.7rem .95rem;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.kn-body thead th{border-top:0;background:var(--mist);font:700 .78rem/1.35 var(--display);color:var(--ink)}
.kn-body tbody th{font-weight:700;font-family:var(--display)}
.kn-body tbody tr:nth-child(even){background:var(--surface-2)}
@media (max-width:640px){.kn-body table{font-size:.88rem}.kn-body th,.kn-body td{padding:.55rem .7rem}}

/* factors list on answers */
.kn-factors{list-style:none;padding:0!important;display:grid;gap:.55rem;margin:0 0 1rem}
.kn-factors li{position:relative;margin:0;padding:.7rem .9rem .7rem 2.4rem;border:1px solid var(--line);border-radius:12px;background:var(--surface);line-height:1.5}
.kn-factors li::before{content:"";position:absolute;left:.95rem;top:1.05rem;width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--green-soft)}

/* diagrams */
.kn-fig{margin:1.3rem 0;padding:1rem 1rem .8rem;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.kn-figscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:10px}
.kn-fig svg{display:block;width:100%;min-width:540px;height:auto;max-height:260px;color:var(--ink)}
.kn-fig .d-box{fill:var(--mist);stroke:var(--line);stroke-width:2}
.kn-fig .d-hot{fill:var(--green-soft);stroke:var(--green);stroke-width:2}
.kn-fig .d-ln{fill:none;stroke:var(--muted);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.kn-fig .d-ar{fill:none;stroke:var(--green);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.kn-fig .d-t{fill:var(--ink);font:700 14px var(--display)}
.kn-fig .d-s{fill:var(--muted);font:600 11.5px var(--mono);letter-spacing:.06em;text-transform:uppercase}
.kn-fig figcaption{margin-top:.6rem;font-size:.88rem;color:var(--muted);line-height:1.5}
.kn-fig ol{margin:.4rem 0 0;padding-left:1.2rem;font-size:.9rem;color:var(--muted)}

/* tool call-to-action inside answers */
.kn-tool{display:flex;gap:1rem;align-items:center;margin:1.3rem 0;padding:1rem 1.1rem;border-radius:16px;background:linear-gradient(160deg,var(--ink-bg),#0e1c14);color:#eef7f1;border:1px solid rgba(62,240,127,.22)}
.kn-tool .kn-ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(62,240,127,.1);color:#3ef07f;flex:none}
.kn-tool p{margin:0!important;color:#cfe3d7!important;font-size:.93rem;line-height:1.5}
.kn-tool strong{display:block;color:#fff;font:800 1rem/1.3 var(--display);margin-bottom:.15rem}
.kn-tool a.kn-btn{margin-left:auto;flex:none}
@media (max-width:620px){.kn-tool{flex-wrap:wrap}.kn-tool a.kn-btn{margin-left:0;width:100%;justify-content:center}}
.kn-btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;min-height:46px;padding:.7rem 1.1rem;border-radius:12px;background:var(--btn-bg);color:#fff!important;font:700 .92rem/1.2 var(--display);text-decoration:none!important;border:0;cursor:pointer;transition:background-color .15s}
.kn-btn:hover{background:var(--green-dark)}
.kn-btn.kn-ghost{background:transparent;color:var(--ink)!important;box-shadow:inset 0 0 0 1.5px var(--line)}
.kn-btn.kn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--green);color:var(--deep)!important}

/* ---------- related components ---------- */
.kn-rel{margin-top:clamp(2rem,4vw,2.6rem);padding-top:clamp(1.4rem,3vw,1.8rem);border-top:1px solid var(--line)}
.kn-rel>h2{margin-bottom:1rem}
.kn-relgrid{display:grid;gap:1.4rem}
.kn-relgroup h3{margin:0 0 .6rem;font:700 .7rem/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.kn-cards{list-style:none;margin:0;padding:0!important;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.6rem}
.kn-cards li{margin:0}
.kn-card{display:flex;flex-direction:column;gap:.2rem;height:100%;min-height:64px;padding:.8rem .95rem;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .15s,background-color .15s}
.kn-card:hover{border-color:var(--green);background:var(--mist)}
.kn-card b{font:700 .97rem/1.3 var(--display);color:var(--ink)}
.kn-card span{font-size:.86rem;line-height:1.45;color:var(--muted)}
.kn-card em{font:600 .7rem/1.2 var(--mono);font-style:normal;letter-spacing:.12em;text-transform:uppercase;color:var(--deep);margin-top:.15rem}

/* FAQ + sources */
.kn-body .faq-item{margin:.6rem 0}
.kn-body .faq-item>summary{font:700 1rem/1.4 var(--display)}
.kn-body .faq-body{color:var(--ink);line-height:1.65}
.kn-src{font-size:.9rem}
.kn-src ol{padding-left:1.3rem;margin:0}
.kn-src li{margin:.45rem 0;color:var(--muted);line-height:1.55}
.kn-src li a{color:var(--deep);word-break:break-word}
.kn-src li:target{background:var(--mist);border-radius:6px}
.kn-src .kn-note{margin-top:.8rem}

/* ask box at the end of pages */
.kn-ask{padding:clamp(2rem,5vw,3rem) 0;background:var(--mist);border-top:1px solid var(--line)}
.kn-ask h2{font:800 clamp(1.3rem,2.6vw,1.7rem)/1.2 var(--display);color:var(--ink);margin:0 0 .4rem}
.kn-ask p{margin:0 0 1rem;color:var(--muted)}

/* ---------- search box + suggestions (shared) ---------- */
.kn-sbox{position:relative;max-width:680px;margin-top:1.4rem}
.kn-sbox label{display:block;margin-bottom:.45rem;font:600 .7rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.kn-sfield{position:relative;display:flex;gap:.5rem}
.kn-sfield>svg{position:absolute;left:1rem;top:50%;transform:translateY(-50%);width:20px;height:20px;fill:none;stroke:var(--muted);stroke-width:2.2;stroke-linecap:round;pointer-events:none}
.kn-sfield input{flex:1;min-width:0;height:56px;padding:0 1rem 0 2.9rem;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);font:500 1.04rem var(--body);box-shadow:0 18px 40px -32px var(--shadow-c);-webkit-appearance:none;appearance:none}
.kn-sfield input::placeholder{color:var(--muted);opacity:.85}
.kn-sfield input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(22,163,74,.18)}
.kn-sfield .kn-btn{height:56px;border-radius:14px;padding:0 1.2rem}
@media (max-width:520px){.kn-sfield .kn-btn{padding:0 .9rem}.kn-sfield .kn-btn span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}}
.kn-count{min-height:1.4em;margin:.55rem 0 0;font:600 .74rem var(--mono);letter-spacing:.05em;color:var(--deep)}
.kn-try{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;margin:.8rem 0 0;font-size:.88rem;color:var(--muted)}
.kn-try button{min-height:36px;padding:0 .75rem;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font:600 .82rem var(--body);cursor:pointer}
.kn-try button:hover{border-color:var(--green);color:var(--deep)}
.kn-sug{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:30;max-height:min(70vh,460px);overflow:auto;padding:.4rem;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:0 30px 60px -30px var(--shadow-c)}
.kn-sug [role="group"]+[role="group"]{border-top:1px solid var(--line);margin-top:.3rem;padding-top:.3rem}
.kn-sug .kn-gh{padding:.45rem .7rem .25rem;font:700 .7rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.kn-sug [role="option"]{display:block;padding:.55rem .6rem;border-radius:10px;cursor:pointer;color:var(--ink)}
.kn-sug [role="option"] b{display:block;font:700 .93rem/1.3 var(--display)}
.kn-sug [role="option"] small{display:block;font-size:.8rem;line-height:1.4;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kn-sug [role="option"][aria-selected="true"],.kn-sug [role="option"]:hover{background:var(--mist);box-shadow:inset 3px 0 0 var(--green)}
.kn-sug .kn-all{display:block;padding:.6rem;margin-top:.3rem;border-top:1px solid var(--line);font:700 .86rem var(--display);color:var(--deep)}

/* ---------- hubs ---------- */
.kn-hub .kn-top{padding-bottom:clamp(1.6rem,4vw,2.4rem)}
.kn-hub .kn-top h1{font-size:clamp(2.2rem,5.6vw,3.6rem)}
.kn-hubgrid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:clamp(1.4rem,4vw,3rem);align-items:end}
.kn-stats{list-style:none;margin:0;padding:1rem 1.1rem;display:grid;gap:.7rem;border:1px solid var(--line);border-radius:var(--kn-r);background:var(--surface)}
.kn-stats li{display:flex;align-items:baseline;gap:.6rem;color:var(--muted);font-size:.92rem}
.kn-stats b{min-width:2.6ch;font:800 1.5rem/1 var(--display);color:var(--ink)}
@media (max-width:860px){.kn-hubgrid{grid-template-columns:1fr}.kn-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.kn-stats li{flex-direction:column;gap:.2rem}}

.kn-az{position:sticky;top:var(--kn-navh,64px);z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.kn-az ul{display:flex;gap:.1rem;list-style:none;margin:0;padding:.45rem 0;overflow-x:auto;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.kn-az li{flex:1 0 auto}
.kn-az a,.kn-az .off{display:grid;place-items:center;min-width:36px;height:40px;border-radius:10px;font:700 .95rem var(--display)}
.kn-az a{color:var(--ink);text-decoration:none}
.kn-az a:hover,.kn-az a[aria-current="true"]{background:var(--green-soft);color:var(--deep)}
.kn-az .off{color:var(--muted);opacity:.45}


.kn-sec{padding:clamp(2rem,5vw,3.2rem) 0}
.kn-sec-alt{background:var(--mist);border-block:1px solid var(--line)}
.kn-head{max-width:760px;margin-bottom:1.2rem}
.kn-head h2{font:800 clamp(1.45rem,3vw,2.1rem)/1.15 var(--display);letter-spacing:-.02em;color:var(--ink);margin:.4rem 0 .45rem}
.kn-head p{margin:0;color:var(--muted);line-height:1.6}
.kn-chips{display:flex;flex-wrap:wrap;gap:.45rem;list-style:none;margin:0 0 1rem;padding:0}
.kn-chip{min-height:44px;padding:0 .95rem;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font:700 .84rem var(--display);cursor:pointer;transition:border-color .15s,background-color .15s,color .15s}
.kn-chip small{font:600 .7rem var(--mono);color:var(--muted);margin-left:.3rem}
.kn-chip:hover{border-color:var(--green)}
.kn-chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.kn-chip[aria-pressed="true"] small{color:inherit;opacity:.75}

.kn-letter{padding:1.2rem 0 .4rem;border-top:1px solid var(--line)}
.kn-letter:first-child{border-top:0}
.kn-letter>h2{display:inline-grid;place-items:center;width:48px;height:48px;margin:0 0 .8rem;border-radius:12px;background:var(--ink);color:var(--bg);font:900 1.4rem var(--display)}
.kn-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:.7rem}
.kn-list li{margin:0}
.kn-list a{display:flex;flex-direction:column;gap:.25rem;height:100%;padding:.9rem 1rem;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .15s,background-color .15s}
.kn-list a:hover{border-color:var(--green);background:var(--mist)}
.kn-list b{font:800 1.02rem/1.3 var(--display)}
.kn-list span{font-size:.88rem;line-height:1.5;color:var(--muted)}
.kn-list i{font:600 .7rem/1.3 var(--mono);font-style:normal;letter-spacing:.1em;text-transform:uppercase;color:var(--deep);margin-top:.15rem}
.kn-empty{margin:1rem 0;padding:1.2rem 1.3rem;border:1px dashed var(--line);border-radius:14px;background:var(--surface)}
.kn-empty p{margin:0 0 .6rem}
.kn-empty ul{margin:0;padding-left:1.1rem}
.kn-empty a{color:var(--deep)}

.kn-feat{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.7rem}
.kn-feat a{display:flex;gap:.8rem;align-items:flex-start;height:100%;padding:1rem;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .15s}
.kn-feat a:hover{border-color:var(--green)}
.kn-feat .kn-ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--green-soft);color:var(--deep);flex:none}
.kn-feat b{display:block;font:800 1rem/1.3 var(--display)}
.kn-feat span{display:block;margin-top:.2rem;font-size:.87rem;line-height:1.45;color:var(--muted)}

.kn-clusters{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:.9rem}
.kn-cluster{padding:1.1rem 1.15rem;border:1px solid var(--line);border-radius:var(--kn-r);background:var(--surface)}
.kn-cluster h3{margin:0 0 .3rem;font:800 1.08rem/1.3 var(--display);color:var(--ink)}
.kn-cluster p{margin:0 0 .7rem;font-size:.9rem;color:var(--muted);line-height:1.5}
.kn-cluster ul{list-style:none;margin:0;padding:0;display:grid;gap:.15rem}
.kn-cluster li a{display:flex;align-items:baseline;gap:.5rem;padding:.35rem 0;color:var(--ink);text-decoration:none;font-size:.93rem;line-height:1.4}
.kn-cluster li a:hover{color:var(--deep);text-decoration:underline}
.kn-cluster li em{flex:none;min-width:5.6rem;font:600 .7rem var(--mono);font-style:normal;letter-spacing:.1em;text-transform:uppercase;color:var(--deep)}

.kn-cat{padding:1.3rem 0 .4rem;border-top:1px solid var(--line)}
.kn-cat>h2{font:800 1.25rem/1.3 var(--display);color:var(--ink);margin:0 0 .75rem}
.kn-links{display:flex;flex-wrap:wrap;gap:.5rem .8rem;margin:0;padding:0;list-style:none}
.kn-links a{color:var(--deep);font-weight:700}

/* ---------- /search/ results ---------- */
.kn-results{min-height:40vh}
.kn-rgroup{margin:0 0 1.6rem}
.kn-rgroup>h2{display:flex;align-items:center;gap:.6rem;margin:0 0 .6rem;font:700 .72rem/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.kn-rgroup>h2 small{font-size:.72rem;color:var(--deep)}
.kn-rlist{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
.kn-rlist a{display:block;padding:.85rem 1rem;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .15s}
.kn-rlist a:hover{border-color:var(--green)}
.kn-rlist b{display:block;font:800 1.02rem/1.35 var(--display)}
.kn-rlist span{display:block;margin-top:.2rem;font-size:.9rem;line-height:1.5;color:var(--muted)}
.kn-rlist i{display:block;margin-top:.3rem;font:600 .7rem var(--mono);font-style:normal;letter-spacing:.1em;text-transform:uppercase;color:var(--deep)}
.kn-help{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.6rem;list-style:none;margin:.8rem 0 0;padding:0}

/* ---------- print ---------- */
@media print{
  .kn-az,.kn-ask,.kn-sbox,.kn-chips,.kn-try,.kn-tool a.kn-btn{display:none!important}
  .kn-top{background:none;border:0;padding-top:0}
  .kn-card,.kn-list a,.kn-def{box-shadow:none}
  .kn-tool{background:none;color:#000;border:1px solid #999}.kn-tool p,.kn-tool strong{color:#000!important}
  .kn-src li a::after{content:" (" attr(href) ")";font-size:.8em}
}
@media (prefers-reduced-motion:reduce){.kn *{transition:none!important}}
.kn-figscroll:focus-visible{outline:3px solid var(--green);outline-offset:2px}