:root{color-scheme:dark;--bg:#050b16;--card:rgba(9,18,32,.74);--ink:#eaf2fb;--mute:#a9bbd0;--acc:#4da3ff;--acc2:#7cf0ff;--red:#d52b1e;--err:#ff8f8f;--ok:#6fd49a;--line:rgba(125,170,225,.28)}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;min-height:100vh;color:var(--ink);font:16px/1.55 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg) url(/ottawa.jpg) center 35%/cover no-repeat fixed;position:relative}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(5,11,22,.82) 0,rgba(5,11,22,.55) 40%,rgba(5,11,22,.62) 100%)}
header,main,footer{position:relative;max-width:760px;margin:0 auto}
header{display:flex;justify-content:space-between;align-items:center;padding:18px 16px}
.brand{letter-spacing:.14em;text-transform:uppercase;font-size:14px}
.brand strong{font-size:18px;letter-spacing:.2em;background:linear-gradient(90deg,#fff,var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand::after{content:"";display:inline-block;width:7px;height:7px;margin-left:10px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red);vertical-align:middle}
main{padding:0 16px 40px}
footer{display:flex;padding:18px 16px 28px;color:var(--mute);font-size:13px}
.hero{padding:26px 0 10px}
.hero h1{font-size:clamp(26px,5.6vw,44px);line-height:1.12;margin:0 0 10px;font-weight:700;letter-spacing:-.01em;text-wrap:balance}
.hero h1::first-line{color:#fff}
.sub{color:var(--acc2);margin:0 0 22px;letter-spacing:.04em;font-size:15px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin:12px 0;-webkit-backdrop-filter:blur(14px) saturate(1.3);backdrop-filter:blur(14px) saturate(1.3);box-shadow:0 10px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.06)}
label{display:block;margin:0 0 12px}label span{display:block;font-size:13px;color:var(--mute);margin-bottom:5px;letter-spacing:.03em}
input,select,textarea{width:100%;padding:11px 12px;border-radius:9px;border:1px solid var(--line);background:rgba(3,8,16,.6);color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(77,163,255,.25)}
input:focus,select:focus,textarea:focus,button:focus-visible{outline:2px solid var(--acc2);outline-offset:2px}
button{padding:10px 18px;border-radius:9px;border:1px solid var(--acc);background:linear-gradient(135deg,#1b6fe0,#0a8fd6);color:#fff;font:inherit;font-weight:600;cursor:pointer;transition:filter .15s,transform .15s}
button:hover{filter:brightness(1.12)}button:active{transform:translateY(1px)}
#lang,.tabs button{background:rgba(9,18,32,.6);color:var(--ink);border-color:var(--line);font-weight:500}
.tabs{display:flex;gap:8px;flex-wrap:wrap}.tabs button[aria-pressed=true]{border-color:var(--acc2);color:var(--acc2);box-shadow:0 0 14px rgba(124,240,255,.2)}
#msg{min-height:1.5em;margin:8px 0}#msg.err{color:var(--err)}#msg.ok{color:var(--ok)}
code{display:block;word-break:break-all;padding:10px;border:1px dashed var(--line);border-radius:8px;margin-top:6px;background:rgba(3,8,16,.6);color:var(--acc2)}
ul{padding-left:20px}[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
select{appearance:auto}
button.ghost,.tabs button{background:rgba(9,18,32,.6);color:var(--ink);border-color:var(--line);font-weight:500}
button.danger{background:linear-gradient(135deg,#b3261e,#d52b1e);border-color:#d52b1e}
.wide{max-width:1040px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--mute);font-weight:500;letter-spacing:.03em}
tr.pick{cursor:pointer}tr.pick:hover,tr.pick[aria-selected=true]{background:rgba(77,163,255,.12)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:end}.row>*{flex:1 1 160px}
.pill{display:inline-block;padding:1px 8px;border-radius:99px;border:1px solid var(--line);font-size:12px}
.pill.bad{border-color:var(--err);color:var(--err)}.pill.good{border-color:var(--ok);color:var(--ok)}
pre{white-space:pre-wrap;word-break:break-word;font-size:13px;color:var(--mute)}
h3{margin:18px 0 8px;font-size:15px;color:var(--acc2);letter-spacing:.04em}
footer{flex-wrap:wrap;gap:4px 16px}footer a{color:var(--acc2)}