:root{
  --ink:#0f1f2e;--muted:#5a6a7a;--brand:#0e7a5f;--brand-d:#0a5c47;--brand-l:#e7f5ef;
  --gold:#f2a900;--gold-l:#fff6dc;--bg:#f6f8fa;--card:#fff;--line:#e2e8ee;
  --r:16px;--sh:0 8px 28px rgba(15,31,46,.07);
  --surface:#fff;--surface-2:#fbfcfd;--head:rgba(255,255,255,.94);--th:#f1f5f8;--seg:#eef2f5;
  --deep:#0f1f2e;--foot:#0f1f2e;--btn:#0e7a5f;--btn-h:#0a5c47;--gold-line:#f5dc9a;--gold-ink:#5b4a14;
  --hero-a:#d9f0e6;--hero-b:#fff3d1;--done-bg:#eceff3;--done-ink:#4b5967;--err-bg:#fdecec;--err-ink:#a02424;--wait-ink:#8a6100;
  color-scheme:light dark
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--brand)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(30px,5.2vw,52px);font-weight:800}
h2{font-size:clamp(26px,3.6vw,38px);font-weight:800}
h3{font-size:19px;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:780px}
.muted{color:var(--muted)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);background:var(--brand-l);padding:6px 12px;border-radius:999px;margin-bottom:16px}

/* header */
.top{position:sticky;top:0;z-index:50;background:var(--head);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:.04em}
.logo span b{color:var(--brand)}
.logo svg{width:34px;height:34px}
.menu{display:flex;gap:28px;align-items:center}
.menu a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.menu a:hover{color:var(--brand)}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--ink)}
.burger svg{width:26px;height:26px}
@media (max-width:860px){
  .menu{display:none;position:absolute;top:66px;left:-20px;right:-20px;background:var(--surface);flex-direction:column;align-items:stretch;padding:12px 20px 20px;gap:4px;border-bottom:1px solid var(--line);box-shadow:var(--sh)}
  .menu.open{display:flex}
  .menu a{padding:10px 0}
  .menu .btn{margin-top:8px}
  .burger{display:block}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:12px;font-weight:700;font-size:16px;text-decoration:none;border:0;cursor:pointer;font-family:inherit;transition:background .15s,border-color .15s,color .15s,transform .15s;line-height:1.2}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--btn);color:#fff}
.btn-primary:hover{background:var(--btn-h)}
.btn-ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#e09c00}
.btn-sm{padding:10px 18px;font-size:14px}
.btn svg{width:20px;height:20px}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* sections */
section{padding:72px 0}
.sec-head{max-width:680px;margin-bottom:40px}
.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* hero */
.hero{padding:64px 0 72px;background:radial-gradient(900px 400px at 85% 0%,var(--hero-a) 0%,transparent 60%),radial-gradient(700px 360px at 0% 100%,var(--hero-b) 0%,transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1 em{font-style:normal;color:var(--brand)}
.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:560px;margin-bottom:28px}
.slogan{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.slogan span{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;background:var(--surface);border:1px solid var(--line);padding:8px 14px;border-radius:999px}
.slogan svg{width:18px;height:18px;color:var(--brand)}
.hero-card{background:var(--surface);border-radius:22px;box-shadow:0 20px 60px rgba(15,31,46,.12);padding:26px;border:1px solid var(--line)}
.hc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.hc-top b{font-size:17px}
.pill{font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;background:var(--brand-l);color:var(--brand)}
.task{display:flex;align-items:center;gap:12px;padding:13px 0;border-top:1px dashed var(--line)}
.task:first-of-type{border-top:0}
.task .ck{flex:none;width:26px;height:26px;border-radius:8px;background:var(--btn);color:#fff;display:grid;place-items:center}
.task .ck svg{width:16px;height:16px}
.task div{flex:1}
.task small{display:block;color:var(--muted);font-size:13px}
.task em{font-style:normal;font-size:13px;font-weight:700;color:var(--brand)}
.hc-foot{margin-top:16px;background:var(--gold-l);border-radius:12px;padding:12px 14px;font-size:14px;font-weight:600}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding:40px 0 56px}}

/* cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.g3{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh)}
.card p{color:var(--muted);margin:0}
.ic{width:48px;height:48px;border-radius:12px;background:var(--brand-l);color:var(--brand);display:grid;place-items:center;margin-bottom:16px}
.ic svg{width:26px;height:26px}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{position:relative;padding:26px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--deep);color:#fff;font-weight:800;margin-bottom:14px}
.step p{color:var(--muted);margin:0}
@media (max-width:800px){.steps{grid-template-columns:1fr}}

/* values */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value{padding:28px;border-radius:var(--r);background:var(--deep);color:#fff}
.value h3{font-size:24px;color:var(--gold)}
.value p{color:#c9d4de;margin:0}
@media (max-width:800px){.values{grid-template-columns:1fr}}

/* tool promo */
.tool{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;background:linear-gradient(120deg,var(--btn) 0%,#0b5f4a 100%);color:#fff;border-radius:22px;padding:34px}
.tool p{color:#d6efe6;margin:0}
.tool h3{font-size:24px}
@media (max-width:700px){.tool{grid-template-columns:1fr}}

/* about */
.about{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center}
.avatar{width:110px;height:110px;border-radius:50%;background:linear-gradient(135deg,var(--btn),#13a07c);color:#fff;display:grid;place-items:center;font-size:38px;font-weight:800}
@media (max-width:620px){.about{grid-template-columns:1fr}}

/* faq */
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 22px;margin-bottom:12px}
summary{cursor:pointer;list-style:none;font-weight:700;font-size:17px;padding:18px 28px 18px 0;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';position:absolute;right:0;top:14px;font-size:24px;color:var(--brand);font-weight:600}
details[open] summary::after{content:'−'}
details p{color:var(--muted);padding-bottom:6px}

/* form */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
@media (max-width:900px){.form-wrap{grid-template-columns:1fr}}
.form{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--sh)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface-2);color:var(--ink);outline:none;transition:border-color .15s,background .15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);background:var(--surface)}
.field textarea{min-height:96px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:520px){.row2{grid-template-columns:1fr}}
.form .btn{width:100%}
.note{font-size:13px;color:var(--muted);margin-top:12px;margin-bottom:0}
.hp{position:absolute;left:-9999px}
.contacts{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.contacts a{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:700;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.contacts a:hover{border-color:var(--brand)}
.contacts svg{width:24px;height:24px;color:var(--brand)}

/* footer */
footer{background:var(--foot);color:#b8c4cf;padding:44px 0 30px;font-size:15px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}
footer a{color:#fff;text-decoration:none}
footer a:hover{color:var(--gold)}
.foot-links{display:flex;flex-wrap:wrap;gap:20px}
.copy{border-top:1px solid #23384b;margin-top:28px;padding-top:18px;font-size:13px}
footer .logo{color:#fff}

/* calculator page */
.crumbs{font-size:14px;color:var(--muted);margin:22px 0 0}
.crumbs a{color:var(--muted)}
.page-head{padding:28px 0 32px}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
@media (max-width:900px){.calc{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--sh)}
.panel h2{font-size:22px;margin-bottom:18px}
.field .hint{font-size:12px;color:var(--muted);margin-top:5px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:var(--seg);padding:5px;border-radius:12px}
.seg label{margin:0;text-align:center;font-size:13px;font-weight:700;padding:10px 6px;border-radius:9px;cursor:pointer;color:var(--muted);line-height:1.25}
.seg label{position:relative}
.seg input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.seg input:checked+span{color:var(--ink)}
.seg label:has(input:checked){background:var(--surface);color:var(--ink);box-shadow:0 2px 6px rgba(0,0,0,.08)}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.tile{border-radius:14px;padding:16px;background:var(--bg);border:1px solid var(--line)}
.tile small{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:4px}
.tile b{font-size:clamp(18px,2.4vw,22px);font-weight:800;white-space:nowrap}
@media (max-width:560px){.tiles{grid-template-columns:1fr}.tile{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 16px}.tile small{margin:0}.tile b{font-size:18px}}
@media (min-width:901px) and (max-width:1100px){.tile b{font-size:17px}}
.tile.hl{background:var(--btn);border-color:var(--btn);color:#fff}
.tile.hl small{color:#cdeee2}
.meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--muted);margin-bottom:6px}
.meta b{color:var(--ink)}
.status{display:inline-block;font-weight:700;font-size:13px;padding:5px 12px;border-radius:999px;background:var(--brand-l);color:var(--brand)}
.status.done{background:var(--done-bg);color:var(--done-ink)}
.status.wait{background:var(--gold-l);color:var(--wait-ink)}
.err{display:none;background:var(--err-bg);color:var(--err-ink);border-radius:12px;padding:12px 14px;font-size:14px;font-weight:600;margin-bottom:14px}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:14px;margin-top:8px}
table{border-collapse:collapse;width:100%;min-width:620px;font-size:14px;background:var(--surface)}
th,td{padding:11px 14px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--th);font-weight:700;font-size:13px;color:var(--muted)}
th:first-child,td:first-child{text-align:center}
td:nth-child(2),th:nth-child(2){text-align:left}
tr.cur td{background:var(--brand-l);font-weight:700}
.dl{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;background:var(--gold-l);border:1px solid var(--gold-line);border-radius:18px;padding:22px 24px;margin-top:24px}
.dl p{margin:0;color:var(--gold-ink)}
.article h2{font-size:clamp(23px,3vw,30px);margin-top:1.6em}
.article h3{margin-top:1.4em}
.article ul,.article ol{padding-left:22px}
.article li{margin-bottom:6px}
.formula{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:10px;padding:14px 18px;font-weight:700;margin:0 0 1em}
.posting{width:100%;min-width:0}
.posting td,.posting th{text-align:left;white-space:normal}
.cta-box{background:var(--deep);color:#fff;border-radius:22px;padding:34px;margin-top:40px}
.cta-box p{color:#c9d4de}
.perks{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:10px}
.perks li{position:relative;padding-left:32px;font-weight:600}
.perks li::before{content:'';position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:7px;background:var(--brand-l) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e7a5f' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/14px no-repeat}
.about{align-items:start}

/* floating contact */
.fab{position:fixed;z-index:60;display:flex;gap:10px}
.fab a{display:flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;font-size:15px;border-radius:999px;box-shadow:0 8px 24px rgba(15,31,46,.22)}
.fab svg{width:22px;height:22px}
.fab-tg{background:#229ed9;color:#fff}
.fab-call{background:var(--btn);color:#fff}
.fab-req{background:var(--gold);color:var(--ink)}
@media (min-width:861px){
  .fab{right:24px;bottom:24px;flex-direction:column;align-items:flex-end}
  .fab a{height:52px;padding:0 20px}
  .fab-req{display:none!important}
}
@media (max-width:860px){
  .fab{left:0;right:0;bottom:0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--head);border-top:1px solid var(--line);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
  .fab a{flex:1;height:48px;box-shadow:none;border-radius:12px}
  body{padding-bottom:76px}
}

/* calculators hub */
.calc-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (max-width:700px){.calc-cards{grid-template-columns:1fr}}
.calc-card{display:flex;gap:18px;align-items:flex-start;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh);transition:border-color .15s,transform .15s}
.calc-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.calc-card .ic{flex:none;margin:0}
.calc-card p{color:var(--muted);margin:0;font-size:15px}
.calc-card h3{margin-bottom:6px}
.tools-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media (max-width:700px){.tools-grid{grid-template-columns:1fr}}
.tools-grid a{display:flex;justify-content:space-between;align-items:center;gap:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:16px 18px;color:#fff;text-decoration:none;font-weight:700}
.tools-grid a:hover{background:rgba(255,255,255,.18)}
.tools-grid a small{display:block;font-weight:500;color:#cdeee2;font-size:13px}

/* deadlines */
.next-box{display:flex;flex-direction:column;gap:4px;background:var(--deep);color:#fff;border-radius:20px;padding:24px 26px;margin-bottom:22px}
.next-box small{color:#9fb3c4;font-weight:600}
.next-box b{font-size:clamp(24px,3.4vw,32px);color:var(--gold)}
.next-box span{color:#dfe7ee}
.next-box em{font-style:normal;font-weight:800;color:#7ee0bd;margin-top:4px}
.dl-item{display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 18px;margin-bottom:12px}
.dl-item.past{opacity:.55}
.dl-date{flex:none;width:58px;height:62px;border-radius:12px;background:var(--brand-l);color:var(--brand);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.05}
.dl-date b{font-size:24px}
.dl-date small{font-size:12px;font-weight:700;text-transform:uppercase}
.dl-body{flex:1;min-width:0}
.dl-body h3{font-size:16px;margin:0 0 4px}
.dl-body p{margin:0;color:var(--muted);font-size:14px}
.dl-item .status{flex:none}
@media (max-width:560px){.dl-item{flex-wrap:wrap}.dl-item .status{margin-left:74px}}
.month-pick{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.month-pick select{font:inherit;font-size:16px;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface)}
.note-box{background:var(--gold-l);border:1px solid var(--gold-line);border-radius:14px;padding:14px 18px;font-size:14px;color:var(--gold-ink);margin-top:18px}
.result-line{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px}
.result-line:last-child{border-bottom:0}
.result-line b{white-space:nowrap}
.result-line.sub{padding-left:16px;color:var(--muted);font-size:14px}
.result-line.big{font-size:17px}
.result-line.big b{color:var(--brand);font-size:20px}
.seg{grid-template-columns:repeat(auto-fit,minmax(0,1fr))}
@media (max-width:560px){
  .dl-item{display:grid;grid-template-columns:58px 1fr;align-items:start;column-gap:14px;row-gap:8px}
  .dl-item .status{grid-column:2;justify-self:start;margin-left:0}
}

/* ---------- BHMS ro'yxati ---------- */
.std-tools{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.std-tools input{flex:1;min-width:200px;font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);outline:none}
.std-tools input:focus{border-color:var(--brand)}
details.std{padding:0 18px}
details.std summary{display:flex;align-items:center;gap:14px;padding:16px 30px 16px 0;font-size:16px}
details.std summary::after{top:50%;transform:translateY(-50%)}
.std-no{flex:none;min-width:44px;height:44px;padding:0 8px;border-radius:12px;background:var(--brand-l);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:17px}
.std-t{display:flex;flex-direction:column;gap:2px;line-height:1.3}
.std-t small{font-size:12px;font-weight:600;color:var(--brand)}
.std-body{padding:2px 0 18px 58px}
.std-body h4{margin:14px 0 6px;font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.std-body ul{margin:0;padding-left:20px}
.std-body li{margin-bottom:6px}
.std-lead{color:var(--ink)!important;font-weight:600;margin:0}
.std-meta{display:grid;gap:10px;margin-top:14px}
.std-meta div{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px 14px;font-size:14px}
.std-meta b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:2px}
details.std:target{border-color:var(--brand)}
@media (max-width:560px){.std-body{padding-left:0}details.std{padding:0 14px}}

/* ---------- header: menyu chapda, mavzu tugmasi o'ngda ---------- */
.nav{justify-content:flex-start;gap:14px}
.logo{margin-right:auto}
.theme-btn{flex:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0;transition:border-color .15s,color .15s}
.theme-btn:hover{border-color:var(--brand);color:var(--brand)}
.theme-btn svg{width:22px;height:22px}
.theme-btn .i-sun{display:none}
@media (min-width:861px){.menu{margin-right:6px}}
@media (max-width:860px){.burger{margin-left:-8px}}

/* ---------- tungi rejim: qo'lda tanlangan ---------- */
:root[data-theme="dark"]{
    --ink:#e6edf3;--muted:#9aabbb;--brand:#3fd1a4;--brand-d:#2fb88e;--brand-l:rgba(63,209,164,.13);
    --gold:#f5b82e;--gold-l:rgba(245,184,46,.12);--bg:#0b141d;--card:#111d29;--line:#1f3040;
    --sh:0 8px 28px rgba(0,0,0,.35);
    --surface:#111d29;--surface-2:#0d1822;--head:rgba(11,20,29,.92);--th:#152433;--seg:#0d1822;
    --deep:#16283a;--foot:#070e15;--btn:#12936e;--btn-h:#17a87e;--gold-line:rgba(245,184,46,.3);--gold-ink:#f2dca0;
    --hero-a:rgba(63,209,164,.12);--hero-b:rgba(245,184,46,.08);--done-bg:#1c2a38;--done-ink:#9aabbb;
    --err-bg:rgba(239,83,80,.15);--err-ink:#ff8a80;--wait-ink:#f5c860;color-scheme:dark
  }
  :root[data-theme="dark"] .hero-card{box-shadow:0 20px 60px rgba(0,0,0,.45)}
  :root[data-theme="dark"] .seg label:has(input:checked){box-shadow:0 2px 6px rgba(0,0,0,.4)}
  :root[data-theme="dark"] .copy{border-top-color:#1a2a3a}
  :root[data-theme="dark"] .logo svg rect{fill:#12936e}
  :root[data-theme="dark"] .fab a{box-shadow:0 8px 24px rgba(0,0,0,.5)}
  :root[data-theme="dark"] .fab-tg{background:#1d8fc4}
  :root[data-theme="dark"] .theme-btn .i-sun{display:block}
  :root[data-theme="dark"] .theme-btn .i-moon{display:none}

/* ---------- tungi rejim: qurilma sozlamasi (qo'lda tanlanmagan bo'lsa) ---------- */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ink:#e6edf3;--muted:#9aabbb;--brand:#3fd1a4;--brand-d:#2fb88e;--brand-l:rgba(63,209,164,.13);
    --gold:#f5b82e;--gold-l:rgba(245,184,46,.12);--bg:#0b141d;--card:#111d29;--line:#1f3040;
    --sh:0 8px 28px rgba(0,0,0,.35);
    --surface:#111d29;--surface-2:#0d1822;--head:rgba(11,20,29,.92);--th:#152433;--seg:#0d1822;
    --deep:#16283a;--foot:#070e15;--btn:#12936e;--btn-h:#17a87e;--gold-line:rgba(245,184,46,.3);--gold-ink:#f2dca0;
    --hero-a:rgba(63,209,164,.12);--hero-b:rgba(245,184,46,.08);--done-bg:#1c2a38;--done-ink:#9aabbb;
    --err-bg:rgba(239,83,80,.15);--err-ink:#ff8a80;--wait-ink:#f5c860;color-scheme:dark
  }
    :root:not([data-theme="light"]) .hero-card{box-shadow:0 20px 60px rgba(0,0,0,.45)}
    :root:not([data-theme="light"]) .seg label:has(input:checked){box-shadow:0 2px 6px rgba(0,0,0,.4)}
    :root:not([data-theme="light"]) .copy{border-top-color:#1a2a3a}
    :root:not([data-theme="light"]) .logo svg rect{fill:#12936e}
    :root:not([data-theme="light"]) .fab a{box-shadow:0 8px 24px rgba(0,0,0,.5)}
    :root:not([data-theme="light"]) .fab-tg{background:#1d8fc4}
    :root:not([data-theme="light"]) .theme-btn .i-sun{display:block}
    :root:not([data-theme="light"]) .theme-btn .i-moon{display:none}
}
:root[data-theme="light"]{color-scheme:light}