/* Конструктор бит-монтажа — под дизайн FRM (Inter Tight + JetBrains Mono, светлая тема) */
#km{
  --ink:#15181C; --muted:#6A7178; --lime:#C8F048; --card:#fff;
  --line:#E2E0D7; --line-strong:#CDCABD; --field:#fff; --code-bg:#17191D; --code-ink:#ECEBE4;
  --r:14px;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  max-width:1180px;margin:0 auto;padding:8px 20px 8px;
  font-family:'Inter Tight',system-ui,-apple-system,sans-serif;color:var(--ink);
}
#km *{box-sizing:border-box}

#km .km-hero{padding:24px 0 8px}
#km .km-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500}
#km h1{font-size:clamp(28px,4.4vw,46px);line-height:1.06;letter-spacing:-.02em;margin:.32em 0 .3em;font-weight:800;text-wrap:balance;max-width:16ch}
#km .km-lede{font-size:clamp(16px,1.6vw,18px);color:var(--muted);max-width:62ch;margin:0;line-height:1.5}
#km .km-lede b{color:var(--ink);font-weight:600}

#km .km-cols{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(0,1fr);gap:26px;margin-top:30px;align-items:start}
@media (max-width:900px){#km .km-cols{grid-template-columns:minmax(0,1fr)}}

#km .km-panel{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r)}
#km .km-form{padding:6px 22px 22px}
#km .km-grp{padding:20px 0;border-top:1px solid var(--line)}
#km .km-grp:first-of-type{border-top:0}
#km .km-grp>h2{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:500;margin:0 0 14px;display:flex;align-items:center;gap:9px}
#km .km-num{font-variant-numeric:tabular-nums;color:var(--ink);border:1.5px solid var(--line-strong);border-radius:6px;min-width:22px;height:22px;display:inline-grid;place-items:center;font-size:12px;font-family:'Inter Tight',sans-serif;font-weight:700}

#km label.km-f{display:block;margin:0 0 14px}
#km label.km-f.km-nomb{margin-bottom:0}
#km .km-flab{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
#km .km-dim{color:var(--muted);font-weight:400}
#km .km-hint{display:block;font-size:12.5px;color:var(--muted);margin-top:5px;line-height:1.4}
#km input[type=text],#km textarea,#km input[type=number]{width:100%;font-family:inherit;font-size:15px;color:var(--ink);background:var(--field);border:1.5px solid var(--line-strong);border-radius:10px;padding:11px 13px;transition:border-color .12s,box-shadow .12s}
#km textarea{resize:vertical;min-height:78px;line-height:1.45}
#km input:focus,#km textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,240,72,.55)}
#km .km-row{display:flex;gap:12px;flex-wrap:wrap}
#km .km-row>*{flex:1 1 150px}

#km .km-seg{display:flex;flex-wrap:wrap;gap:8px}
#km .km-seg input{position:absolute;opacity:0;width:0;height:0}
#km .km-seg label{border:1.5px solid var(--line-strong);border-radius:999px;padding:8px 14px;font-size:13.5px;cursor:pointer;user-select:none;background:transparent;transition:.12s;line-height:1.12}
#km .km-seg label small{display:block;color:var(--muted);font-size:11.5px;margin-top:2px;font-weight:400}
#km .km-seg input:checked+label{border-color:var(--ink);background:rgba(21,24,28,.05);font-weight:600}
#km .km-seg input:focus-visible+label{box-shadow:0 0 0 3px rgba(200,240,72,.55)}

#km .km-switch{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none;font-size:14.5px;font-weight:500}
#km .km-switch input{position:absolute;opacity:0}
#km .km-track{width:42px;height:24px;border-radius:999px;background:var(--line-strong);position:relative;transition:.15s;flex:none}
#km .km-track::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.15s;box-shadow:0 1px 2px rgba(0,0,0,.25)}
#km .km-switch input:checked+.km-track{background:var(--lime)}
#km .km-switch input:checked+.km-track::after{transform:translateX(18px)}
#km .km-switch input:focus-visible+.km-track{box-shadow:0 0 0 3px rgba(200,240,72,.55)}

#km .km-fx{display:grid;gap:12px;margin-top:10px}
#km details.km-adv{margin-top:14px;border-top:1px dashed var(--line);padding-top:14px}
#km details.km-adv summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--muted);list-style:none}
#km details.km-adv summary::-webkit-details-marker{display:none}
#km details.km-adv summary::before{content:"＋ "}
#km details.km-adv[open] summary::before{content:"− "}
#km code{font-family:var(--mono);font-size:.86em;background:rgba(21,24,28,.07);color:var(--ink);padding:2px 6px;border-radius:6px;word-break:break-word}

#km .km-stepper{display:flex;align-items:center;width:max-content}
#km .km-stepper button{width:38px;height:40px;border:1.5px solid var(--line-strong);background:var(--field);color:var(--ink);font-size:18px;cursor:pointer;font-family:inherit}
#km .km-stepper button:first-child{border-radius:10px 0 0 10px}
#km .km-stepper button:last-child{border-radius:0 10px 10px 0}
#km .km-stepper input{width:56px;text-align:center;border-radius:0;border-left:0;border-right:0;font-variant-numeric:tabular-nums}

#km .km-out{position:sticky;top:18px}
#km .km-outpanel{overflow:hidden;padding:0}
#km .km-tabs{display:flex;gap:6px;padding:12px 12px 0}
#km .km-tab{flex:1;border:1.5px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0;background:transparent;color:var(--muted);font-family:inherit;font-size:13.5px;font-weight:600;padding:10px 8px;cursor:pointer;transition:.12s}
#km .km-tab[aria-selected=true]{color:var(--code-ink);background:var(--code-bg);border-color:var(--code-bg)}
#km .km-codewrap{background:var(--code-bg);border-radius:0 0 12px 12px;padding:14px 4px 14px 16px}
#km pre.km-code{margin:0;max-height:56vh;overflow:auto;color:var(--code-ink);font-family:var(--mono);font-size:12.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word;padding-right:12px}
#km pre.km-code::-webkit-scrollbar{width:9px}
#km pre.km-code::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:9px}
#km .km-bar{display:flex;align-items:center;gap:12px;margin-top:12px;flex-wrap:wrap}
#km .km-copy{background:var(--lime);color:#161a08;border:0;border-radius:10px;padding:12px 20px;font-family:inherit;font-weight:700;font-size:15px;cursor:pointer;transition:transform .08s,filter .12s}
#km .km-copy:hover{filter:brightness(1.04)}
#km .km-copy:active{transform:translateY(1px)}
#km .km-copy.km-done{background:rgba(200,240,72,.45)}
#km .km-meta{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}

#km .km-how{margin-top:56px}
#km .km-how h2{font-size:clamp(20px,2.6vw,26px);letter-spacing:-.01em;margin:0 0 6px;font-weight:800}
#km .km-sub{color:var(--muted);margin:0 0 22px;max-width:66ch;line-height:1.5}
#km .km-steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:720px){#km .km-steps{grid-template-columns:1fr}}
#km .km-step{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r);padding:18px 18px 16px}
#km .km-step .km-n{font-variant-numeric:tabular-nums;font-weight:800;font-size:14px;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--ink);color:#F4F3EE;margin-bottom:12px}
#km .km-step h3{margin:0 0 6px;font-size:16px;font-weight:700;letter-spacing:-.01em}
#km .km-step p{margin:0;font-size:14px;color:var(--muted);line-height:1.5}
#km .km-callout{margin-top:18px;background:rgba(200,240,72,.16);border:1.5px solid rgba(200,240,72,.5);border-radius:var(--r);padding:16px 18px;font-size:14px;line-height:1.5}
#km .km-callout b{font-weight:700}

#km .km-note{margin:16px 0 0;font-size:13px;color:var(--muted);line-height:1.5}
#km .km-trouble{margin-top:48px}
#km .km-trouble h2{font-size:clamp(20px,2.6vw,26px);letter-spacing:-.01em;margin:0 0 6px;font-weight:800}
#km .km-faq{margin:18px 0 0}
#km .km-faq>div{padding:15px 0;border-top:1px solid var(--line)}
#km .km-faq>div:first-child{border-top:0}
#km .km-faq dt{font-weight:700;font-size:15px;margin-bottom:5px}
#km .km-faq dd{margin:0;color:var(--muted);font-size:14px;line-height:1.5}

#km .km-toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#F4F3EE;padding:11px 20px;border-radius:999px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.22s;z-index:60}
#km .km-toast.km-show{opacity:1;transform:translateX(-50%) translateY(0)}
@media (prefers-reduced-motion:reduce){#km *{transition:none!important}}