/* Сметало — общи стилове за всички страници */
:root{
  --paper:#ECF1F0;
  --surface:#FFFFFF;
  --ink:#13262B;
  --muted:#58706F;
  --line:#D2DDDB;
  --teal:#1C6B66;
  --teal-soft:#DCEDEA;
  --on-teal:#FFFFFF;
  --bead:#D9932F;
  --bead-soft:#F8E7CC;
  --receipt:#FFFEFA;
  --receipt-ink:#1D2A2C;
  --ok:#1E7A4C;
  --err:#B3261E;
  --shadow:rgba(19,38,43,.12);
  --f-display:"Unbounded","Onest",system-ui,sans-serif;
  --f-body:"Onest",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"Cascadia Mono",Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0E191B; --surface:#152326; --ink:#E4EDEB; --muted:#94A9A7; --line:#27393B;
    --teal:#56B5AB; --teal-soft:#1B3633; --on-teal:#0E191B; --bead:#EBAF55; --bead-soft:#3A2E1B;
    --receipt:#1A292C; --receipt-ink:#E4EDEB; --ok:#5CC98F; --err:#F2948C; --shadow:rgba(0,0,0,.45);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0E191B; --surface:#152326; --ink:#E4EDEB; --muted:#94A9A7; --line:#27393B;
  --teal:#56B5AB; --teal-soft:#1B3633; --on-teal:#0E191B; --bead:#EBAF55; --bead-soft:#3A2E1B;
  --receipt:#1A292C; --receipt-ink:#E4EDEB; --ok:#5CC98F; --err:#F2948C; --shadow:rgba(0,0,0,.45);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.5;
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
img,svg{max-width:100%}
[hidden]{display:none!important}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--teal)}
:focus-visible{outline:3px solid var(--bead);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:16px}

/* ---------- Header ---------- */
.top{padding-block:20px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);margin-right:auto}
.brand svg{flex:none}
.brand-name{font-family:var(--f-display);font-weight:700;font-size:1.65rem;letter-spacing:-.01em;line-height:1;display:block}
.brand-tag{font-size:.82rem;color:var(--muted);margin-top:4px;display:block}
.rates{display:flex;flex-wrap:wrap;gap:8px}
.rate{font-family:var(--f-mono);font-size:.74rem;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 11px;white-space:nowrap;font-variant-numeric:tabular-nums}
.rate b{color:var(--teal);font-weight:600}
.actions{display:flex;align-items:center;gap:8px}
.hlink{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:500;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 14px;white-space:nowrap}
.hlink:hover{border-color:var(--teal)}
.hlink[aria-current="page"]{background:var(--teal-soft);border-color:var(--teal-soft)}
.icon-btn{width:40px;height:40px;display:inline-grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;padding:0;flex:none}
.icon-btn:hover{border-color:var(--teal)}
.icon-btn svg{width:20px;height:20px}
.theme-toggle .i-sun{display:none}
:root[data-theme="dark"] .theme-toggle .i-sun{display:block}
:root[data-theme="dark"] .theme-toggle .i-moon{display:none}

/* ---------- Ads: invisible until filled ---------- */
.ad{margin-block:14px;text-align:center;min-height:0}
.ad:empty{display:none}
.ad:has(ins.adsbygoogle[data-ad-status="unfilled"]){display:none}
.ad::before{content:"Реклама";display:block;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}

/* ---------- Main grid ---------- */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:28px;align-items:start;padding-bottom:40px}
/* Sidebar scrolls on its own, with its own scrollbar */
.nav{position:sticky;top:16px;max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);overflow-y:auto;overscroll-behavior:contain;
  padding-right:6px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.nav::-webkit-scrollbar{width:8px}
.nav::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.nav::-webkit-scrollbar-thumb:hover{background:var(--muted)}
.nav::-webkit-scrollbar-track{background:transparent}
.nav-toggle{display:none}
.search{width:100%;font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);margin-bottom:14px}
.nav-cat{font-size:.7rem;text-transform:uppercase;letter-spacing:.11em;color:var(--muted);margin:16px 0 6px;font-weight:600}
.nav-cat:first-child{margin-top:0}
.nav ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:.95rem}
.nav a:hover{background:var(--surface)}
.nav a .dot{width:9px;height:9px;border-radius:50%;border:2px solid var(--line);flex:none}
.nav a[aria-current="page"]{background:var(--teal-soft);color:var(--ink);font-weight:600}
.nav a[aria-current="page"] .dot{background:var(--bead);border-color:var(--bead)}
.nav-empty{color:var(--muted);font-size:.9rem;padding:6px 10px}

/* ---------- Calculator panel ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:clamp(18px,3vw,32px);min-width:0}
.eyebrow{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);font-weight:600}
h1{font-family:var(--f-display);font-weight:500;font-size:clamp(1.4rem,1.1rem + 1.4vw,2.1rem);line-height:1.15;margin:6px 0 8px;text-wrap:balance;letter-spacing:-.01em}
.lead{color:var(--muted);max-width:62ch;margin:0 0 24px}
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,360px);gap:28px;align-items:start}
.form{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;min-width:0}
.field label,.field .lbl{display:block;font-size:.86rem;font-weight:500;margin-bottom:6px}
.inp{display:flex;align-items:stretch;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden;transition:border-color .15s}
.inp:focus-within{border-color:var(--teal)}
/* width:0 + flex:1: the field fills the row but its built-in width (≈20 characters) can't push the row wider than a phone screen */
.inp input,.inp select,.inp textarea{flex:1;width:0;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;font-family:var(--f-mono);font-size:1.15rem;padding:11px 14px;font-variant-numeric:tabular-nums}
.inp select{font-family:var(--f-body);font-size:1rem;cursor:pointer}
.inp select option{background:var(--surface);color:var(--ink)}
.inp textarea{font-family:var(--f-body);font-size:1rem;resize:vertical;min-height:140px}
.inp input[type="email"],.inp input.text{font-family:var(--f-body);font-size:1rem}
.inp input:focus,.inp select:focus,.inp textarea:focus{outline:none}
.unit{display:flex;align-items:center;padding:0 14px;color:var(--muted);font-family:var(--f-mono);font-size:.95rem;border-left:1px solid var(--line);white-space:nowrap}
.hint{font-size:.8rem;color:var(--muted);margin-top:5px}
.seg{display:flex;flex-wrap:wrap;gap:4px;background:var(--paper);border:1.5px solid var(--line);border-radius:12px;padding:4px}
.seg button{flex:1 1 auto;font:inherit;font-size:.92rem;border:0;background:transparent;color:var(--ink);padding:9px 12px;border-radius:9px;cursor:pointer;min-height:40px}
.seg button[aria-pressed="true"]{background:var(--teal);color:var(--on-teal);font-weight:600}
.check{display:flex;gap:10px;align-items:center;font-size:.95rem;cursor:pointer}
.check input{width:20px;height:20px;accent-color:var(--teal);flex:none}

/* ---------- Receipt ---------- */
.bon-wrap{filter:drop-shadow(0 6px 14px var(--shadow));min-width:0}
.bon{position:relative;background:var(--receipt);color:var(--receipt-ink);font-family:var(--f-mono);font-size:.84rem;padding:20px 20px 18px;border-radius:6px 6px 0 0;font-variant-numeric:tabular-nums}
.bon::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:10px;background:linear-gradient(135deg,var(--receipt) 50%,transparent 50%) 0 0/14px 10px repeat-x,linear-gradient(225deg,var(--receipt) 50%,transparent 50%) 0 0/14px 10px repeat-x}
.bon-head{text-align:center;margin-bottom:12px}
.bon-head .b1{font-family:var(--f-display);font-weight:700;letter-spacing:.18em;font-size:.82rem}
.bon-head .b2{font-size:.72rem;opacity:.7;margin-top:2px}
.cut{border:0;border-top:1.5px dashed currentColor;opacity:.35;margin:10px 0}
.row{display:flex;align-items:baseline;gap:6px;padding:2.5px 0}
.row .l{flex:0 1 auto;min-width:0}
.row .lead-dots{flex:1 1 12px;border-bottom:1.5px dotted currentColor;opacity:.3;transform:translateY(-4px);min-width:12px}
.row .v{flex:none;text-align:right;font-weight:600;white-space:nowrap}
.row.sub{opacity:.78;padding-left:12px;font-size:.8rem}
.row.sub .v{font-weight:400}
.sect{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;opacity:.6;margin:12px 0 4px}
.total{margin-top:6px;padding-top:10px;border-top:2px solid currentColor}
.total .row{font-size:1.02rem}
.total .row .v{font-size:1.45rem;color:var(--teal)}
.total .lv{text-align:right;font-size:.76rem;opacity:.65}
.bon-foot{text-align:center;font-size:.7rem;opacity:.6;margin-top:14px}
.bon-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}
.btn{font:inherit;font-size:.86rem;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);padding:8px 14px;border-radius:999px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;min-height:38px}
.btn:hover{border-color:var(--teal)}
.btn-primary{background:var(--teal);border-color:var(--teal);color:var(--on-teal);font-weight:600;font-size:1rem;padding:11px 22px}
.btn-primary:hover{filter:brightness(1.08)}
.btn-primary:disabled{opacity:.6;cursor:wait}
.notes{margin-top:18px;display:grid;gap:8px;font-size:.84rem;color:var(--muted)}
.notes p{margin:0}

.extra{margin-top:26px;min-width:0}
.extra h2,.about h2{font-family:var(--f-display);font-weight:500;font-size:1.1rem;margin:0 0 10px}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.88rem;font-variant-numeric:tabular-nums}
th,td{padding:8px 12px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600;background:var(--paper)}
th:first-child,td:first-child{text-align:left}
tr:last-child td{border-bottom:0}
details.more summary{cursor:pointer;color:var(--teal);font-weight:500;margin-bottom:10px}
.hol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0}
.hol li{font-size:.82rem;background:var(--bead-soft);border-radius:8px;padding:4px 10px}

.about{margin-top:30px;padding-top:24px;border-top:1px solid var(--line);max-width:68ch}
.about p,.about li{color:var(--ink);font-size:.95rem}
.about ul{padding-left:20px}

/* ---------- Breadcrumbs, FAQ, related ---------- */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:.78rem;color:var(--muted);margin-bottom:6px}
.crumbs a{color:var(--teal);text-decoration:none;font-weight:600}
.crumbs a:hover{text-decoration:underline}
.crumbs span:last-child{color:var(--teal);text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.faq,.related{margin-top:30px;padding-top:24px;border-top:1px solid var(--line);max-width:68ch}
.related{max-width:none}
.faq h2,.related h2,.home-cat h2,.about-home h2{font-family:var(--f-display);font-weight:500;font-size:1.1rem;margin:0 0 12px}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--paper);margin-bottom:8px}
.faq summary{cursor:pointer;list-style:none;padding:12px 44px 12px 16px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--teal);line-height:1}
.faq details[open] summary::after{content:"−"}
.faq summary h3{display:inline;font:inherit;font-weight:600;font-size:.98rem;margin:0}
.faq details p{margin:0;padding:0 16px 14px;font-size:.95rem}

.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.card{display:flex;flex-direction:column;gap:4px;height:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--teal);transform:translateY(-1px)}
.card-name{font-weight:600}
.card-desc{font-size:.85rem;color:var(--muted)}
.related .card{background:var(--paper)}

/* ---------- Home ---------- */
.home{display:grid;gap:26px;padding-bottom:40px}
.hero h1{max-width:22ch}
.home-search{max-width:520px;margin:0;font-size:16px;padding:13px 14px;background:var(--paper);border-width:1.5px}
.about-home{max-width:none}
.about-home p{max-width:70ch}

/* ---------- Simple pages (about, privacy, feedback) ---------- */
.single{padding-bottom:40px}
.single .panel{max-width:820px;margin:0 auto}
.page{max-width:68ch}
.page h2{font-family:var(--f-display);font-weight:500;font-size:1.1rem;margin:26px 0 8px}
.page p,.page li{font-size:.98rem}
.rates-tbl td:last-child{font-family:var(--f-mono)}

.fb-form{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;max-width:640px}
.fb-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.req{color:var(--err)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status{border-radius:12px;padding:12px 14px;font-size:.95rem;border:1px solid var(--line);background:var(--paper)}
.status.ok{border-color:var(--ok);color:var(--ok)}
.status.err{border-color:var(--err);color:var(--err)}
.status pre{white-space:pre-wrap;font-family:var(--f-mono);font-size:.8rem;color:var(--ink);margin:10px 0 0}

/* ---------- Footer ---------- */
.foot{border-top:1px solid var(--line);padding-block:24px 30px;font-size:.84rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .calc{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:860px){
  .layout{grid-template-columns:minmax(0,1fr);gap:16px}
  .nav{position:static;max-height:none;overflow:visible;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:10px}
  .nav-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;font:inherit;font-weight:600;background:transparent;border:0;color:var(--ink);padding:6px 4px;cursor:pointer;min-height:40px}
  .nav-toggle .chev{transition:transform .2s;color:var(--muted)}
  .nav.open .nav-toggle .chev{transform:rotate(180deg)}
  .nav-body{display:none;padding-top:10px}
  .nav.open .nav-body{display:block}
  .nav [data-slot="nav"]{display:none}
}
@media (max-width:640px){
  .top{display:grid;grid-template-columns:minmax(0,1fr) auto;padding-block:14px 12px;gap:12px}
  .brand{min-width:0;margin-right:0}
  .brand>span{min-width:0}
  .brand svg{width:38px;height:38px}
  .rates{grid-column:1 / -1}
  .fb-form .seg{display:grid;grid-template-columns:1fr 1fr}
  .fb-form .seg button:last-child:nth-child(odd){grid-column:1 / -1}
  .brand-name{font-size:1.35rem}
  .brand-tag{font-size:.74rem}
  .hlink .hl-text{display:none}
  .hlink{width:40px;height:40px;padding:0;justify-content:center;border-radius:50%}
  .rates{order:3;width:100%;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-16px;padding-inline:16px;-webkit-overflow-scrolling:touch}
  .rates::-webkit-scrollbar{display:none}
  .panel{border-radius:14px}
  .bon{font-size:.8rem;padding:18px 14px 16px}
  .total .row .v{font-size:1.3rem}
  .fb-form .row2{grid-template-columns:minmax(0,1fr)}
  .foot{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{
  .top .actions,.nav,.ad,.bon-actions,.foot nav{display:none!important}
  .layout{grid-template-columns:1fr}
  body{background:#fff}
}