@font-face{font-family:'Golos Text';font-style:normal;font-weight:400;font-display:swap;
  src:url(fonts/golos-text-latin-400-normal.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:400;font-display:swap;
  src:url(fonts/golos-text-cyrillic-400-normal.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:500;font-display:swap;
  src:url(fonts/golos-text-latin-500-normal.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:500;font-display:swap;
  src:url(fonts/golos-text-cyrillic-500-normal.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:600;font-display:swap;
  src:url(fonts/golos-text-latin-600-normal.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Golos Text';font-style:normal;font-weight:600;font-display:swap;
  src:url(fonts/golos-text-cyrillic-600-normal.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:700;font-display:swap;
  src:url(fonts/jetbrains-mono-latin-700-normal.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:700;font-display:swap;
  src:url(fonts/jetbrains-mono-cyrillic-700-normal.woff2) format('woff2');
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}

:root{
  --bg:#fff; --card:#f5f5f7; --inset:#fff; --line:#e3e3e5; --line2:#d2d2d7;
  --ink:#1d1d1f; --dim:#6e6e73; --btn:#1d1d1f; --btn-ink:#fff; --sub:#e8e8ed;
  --bad:#d70015; --ring:rgba(29,29,31,.35);
  --sans:-apple-system,BlinkMacSystemFont,'Golos Text','Segoe UI',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#000; --card:#151517; --inset:#1c1c1f; --line:#2e2e32; --line2:#3a3a3e;
    --ink:#f5f5f7; --dim:#86868b; --btn:#f5f5f7; --btn-ink:#000; --sub:#2e2e32;
    --bad:#ff453a; --ring:rgba(245,245,247,.45);
  }
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.4;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
:focus-visible{outline:2px solid var(--ring);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

.wrap{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:26px;padding:24px 16px calc(24px + env(safe-area-inset-bottom))}
.mark{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;
  font-size:15px;font-weight:500;letter-spacing:-.012em}
.mark svg{display:block}
.card{width:100%;max-width:460px;padding:14px;background:var(--card);border-radius:26px;
  display:flex;flex-direction:column;gap:10px}
.foot{font-size:13px;color:var(--dim);text-decoration:none}
.foot:hover{color:var(--ink)}

section{display:flex;flex-direction:column;gap:10px}
section[hidden]{display:none}

.zone{appearance:none;width:100%;height:212px;border:0;background:var(--inset);border-radius:16px;
  color:var(--ink);font:inherit;cursor:pointer;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:7px;transition:background .15s}
.zone:hover{background:var(--sub)}
.zone.over{background:var(--sub);box-shadow:inset 0 0 0 2px var(--line2)}
.zone b{margin-top:4px;font-size:17px;font-weight:500;letter-spacing:-.015em}
.zone span{font-size:14px;color:var(--dim)}
.zone svg{stroke:var(--dim)}

.row{display:flex;gap:10px}
.row input{flex:1 1 auto;min-width:0;height:54px;padding:0 20px;border:0;border-radius:16px;
  background:var(--inset);color:var(--ink);font-family:var(--sans);font-size:16px;font-weight:500}
.row input::placeholder{color:var(--dim)}
.row input.bad{box-shadow:inset 0 0 0 2px var(--bad);color:var(--bad)}
.go{flex:0 0 auto;width:54px;height:54px;border:0;border-radius:16px;background:var(--btn);
  display:flex;align-items:center;justify-content:center;cursor:pointer}
.go svg{stroke:var(--btn-ink)}

.btn{height:54px;border:0;border-radius:16px;background:var(--btn);color:var(--btn-ink);
  font-family:var(--sans);font-size:16px;font-weight:500;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:9px;text-decoration:none}
.btn:hover{opacity:.88}
.btn.ghost{background:var(--sub);color:var(--ink)}
.btn svg{stroke:currentColor}

.meter{padding:28px 22px 24px;background:var(--inset);border-radius:16px;
  display:flex;flex-direction:column;gap:18px}
.meter .pct{font-size:52px;font-weight:600;letter-spacing:-.035em;line-height:1;font-variant-numeric:tabular-nums}
.meter .top,.meter .bot{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.meter .bot{font-size:14px;color:var(--dim)}
.track{height:4px;background:var(--line);border-radius:999px;overflow:hidden}
.track i{display:block;height:4px;width:0;background:var(--ink);border-radius:999px;transition:width .2s}

.list{background:var(--inset);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.item{display:flex;align-items:center;gap:14px;padding:13px 12px 13px 20px}
.item + .item{border-top:1px solid var(--line);margin-top:0}
.item .nm{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:3px}
.item .nm b{font-size:15px;font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .nm span{font-size:13px;color:var(--dim)}
.item .st{font-size:14px;color:var(--dim);padding-right:8px;font-variant-numeric:tabular-nums}
.icon{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--sub);
  display:flex;align-items:center;justify-content:center;text-decoration:none}
.icon svg{stroke:var(--ink)}

.hero{padding:32px 22px 28px;background:var(--inset);border-radius:16px;
  display:flex;flex-direction:column;align-items:center;gap:22px}
.hero .code{font-family:var(--mono);font-size:52px;font-weight:700;letter-spacing:.04em;line-height:1;
  word-break:break-all;text-align:center}
.hero .when{font-size:14px;color:var(--dim)}
.qr{padding:13px;background:#fff;border-radius:14px;line-height:0}
.qr svg{display:block;width:147px;height:147px}
.link{display:flex;align-items:center;gap:10px;height:54px;padding:0 8px 0 20px;
  background:var(--inset);border-radius:16px}
.link span{flex:1 1 auto;min-width:0;font-size:15px;color:var(--dim);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.copy{flex:0 0 auto;width:44px;height:44px;border:0;border-radius:12px;background:var(--sub);
  display:flex;align-items:center;justify-content:center;cursor:pointer}
.copy svg{stroke:var(--ink)}

.head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 22px 18px}
.head h1{margin:0;font-size:24px;font-weight:600;letter-spacing:-.025em}
.head p{margin:4px 0 0;font-size:14px;color:var(--dim)}
.head .tag{font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--dim)}
.msg{padding:28px 22px 30px;background:var(--inset);border-radius:16px;
  display:flex;flex-direction:column;gap:9px}
.msg h1{margin:0;font-size:22px;font-weight:600;letter-spacing:-.025em}
.msg h1.bad{color:var(--bad)}
.msg p{margin:0;font-size:15px;line-height:1.5;color:var(--dim)}

.top{width:100%;max-width:560px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.top[hidden]{display:none}
.seg{display:flex;gap:3px;padding:3px;background:var(--card);border-radius:999px}
.seg a{padding:7px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--dim);text-decoration:none}
.seg a.on{background:var(--sub);color:var(--ink)}
.who{display:flex;align-items:center;gap:14px;font-size:14px;color:var(--dim)}
.who a{color:var(--dim);text-decoration:none}
.who a:hover{color:var(--ink)}
.card.wide{max-width:560px}
.foots{display:flex;align-items:center;gap:22px}
.lang{display:flex;align-items:center;gap:4px;font-size:13px;color:var(--line2)}
.lang button{appearance:none;border:0;background:none;font:inherit;font-size:13px;color:var(--dim);
  cursor:pointer;padding:12px 4px;margin:-12px 0}
.lang button:hover{color:var(--ink)}
.lang button[aria-pressed="true"]{color:var(--ink)}

.lead{padding:26px 22px 22px;display:flex;flex-direction:column;gap:9px}
.lead b{font-size:22px;font-weight:600;letter-spacing:-.025em}
.lead span{font-size:15px;line-height:1.5;color:var(--dim)}
.fld{height:54px;padding:0 20px;border:0;border-radius:16px;background:var(--inset);color:var(--ink);
  font-family:var(--sans);font-size:16px;font-weight:500}
.fld::placeholder{color:var(--dim)}
.fld.bad{box-shadow:inset 0 0 0 2px var(--bad)}

.quota{padding:20px 22px;background:var(--inset);border-radius:16px;display:flex;flex-direction:column;gap:12px}
.quota .line{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.quota .line b{font-size:15px;font-weight:400}
.quota .line span{font-size:14px;color:var(--dim)}

.icon.plain{background:transparent}
.icon.plain svg{stroke:var(--dim)}
.item.danger{background:rgba(255,69,58,.10)}
.item.danger .nm span{color:var(--bad)}
.mini{display:flex;align-items:center;justify-content:center;height:44px;padding:0 18px;border:0;border-radius:12px;
  background:var(--sub);color:var(--ink);font-family:var(--sans);font-size:14px;font-weight:500;cursor:pointer;text-decoration:none}
.mini.kill{background:#c9322a;color:#fff}
.empty{padding:52px 40px;background:var(--inset);border-radius:16px;
  display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.empty b{font-size:22px;font-weight:600;letter-spacing:-.025em}
.empty span{max-width:360px;font-size:15px;line-height:1.5;color:var(--dim)}
.zone.sm{height:96px;flex-direction:row;gap:12px}
.zone.sm .txt{display:flex;flex-direction:column;gap:2px;align-items:flex-start}
.zone.sm b{margin:0;font-size:15px}

.tabs{align-self:flex-start;display:flex;gap:3px;padding:3px;
  background:var(--inset);border-radius:999px}
.tabs button{appearance:none;border:0;padding:7px 16px;border-radius:999px;background:none;
  font-family:var(--sans);font-size:14px;font-weight:500;color:var(--dim);cursor:pointer}
.tabs button.on{background:var(--sub);color:var(--ink)}
textarea.note{width:100%;min-width:0;height:196px;padding:16px 20px;line-height:1.5;resize:none}
.ttls{display:flex;gap:8px}
.ttls button{appearance:none;flex:1 1 0;height:40px;border:1px solid var(--line);border-radius:999px;
  background:none;font-family:var(--sans);font-size:14px;color:var(--dim);cursor:pointer}
.ttls button.on{background:var(--sub);border-color:transparent;color:var(--ink)}
#recv-text{margin:0;padding:18px 20px;background:var(--inset);border-radius:16px;
  font-family:var(--mono);font-size:13px;line-height:1.7;white-space:pre-wrap;
  word-break:break-word;max-height:320px;overflow:auto}

.over{position:fixed;inset:0;z-index:5;background:rgba(0,0,0,.72);
  display:flex;align-items:center;justify-content:center;padding:20px}
.sheet{width:100%;max-width:420px;padding:22px;background:var(--card);border-radius:26px;
  display:flex;flex-direction:column;gap:10px}
.sheet b{font-size:22px;font-weight:600;letter-spacing:-.025em}
.sheet .fld{width:100%;min-width:0}
.sheet .grip{display:none}
.sheet textarea.note{height:150px}
.note-err{padding:0 4px;font-size:14px;color:var(--bad)}

@media (max-width:520px){
  .top{flex-wrap:wrap;gap:14px}
    .over{align-items:flex-end;padding:0}
  .sheet{max-width:none;border-radius:26px 26px 0 0;padding:14px 16px 22px;gap:12px}
  .sheet .grip{display:block;align-self:center;width:40px;height:4px;border-radius:2px;
    background:var(--line2);margin-bottom:6px}
  textarea.note{height:180px;border-radius:18px}
  .seg{order:3;flex-basis:100%}
  .seg a{flex-grow:1;display:flex;align-items:center;justify-content:center;height:40px;font-size:15px}
  .fld{height:56px;border-radius:18px;font-size:17px}
  .mini{height:46px}
  .quota,.empty{border-radius:18px}
  .empty{padding:44px 24px}
  .card{padding:12px;border-radius:26px}
  .zone{height:240px;border-radius:18px}
  .row input,.go,.btn{height:56px;border-radius:18px;font-size:17px}
  .hero,.list,.meter,.msg,.link{border-radius:18px}
  .hero .code{font-size:44px}
  .link{height:56px;border-radius:18px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* no inline styles anywhere: the CSP forbids them */
.meter .speed{font-size:14px;color:var(--dim)}
.hero .stack{display:flex;flex-direction:column;align-items:center;gap:8px}
form.stack{display:flex;flex-direction:column;gap:10px}
.err-line{padding:0 4px;font-size:14px;color:var(--bad)}
.hint{padding:0 4px;font-size:14px;color:var(--dim)}
.hint a,.lead a{color:var(--ink)}
.item .nm span.warn{color:var(--bad)}
.item.dim .nm b{color:var(--dim)}
.item.unread .nm b{font-weight:600}
.item .nm pre{margin:4px 0 0;font-family:var(--sans);font-size:14px;line-height:1.5;color:var(--ink);
  white-space:pre-wrap;word-break:break-word}
.item.top-align{align-items:flex-start}
.tag-pill{flex:0 0 auto;padding:4px 10px;border-radius:999px;background:var(--sub);font-size:12px;color:var(--dim)}
.tag-pill.bad{color:var(--bad)}
.who button{appearance:none;border:0;background:none;padding:0;font:inherit;color:var(--dim);cursor:pointer}
.who button:hover{color:var(--ink)}
.row .mini{height:54px;border-radius:16px}
.section-t{padding:14px 8px 2px;font-size:13px;color:var(--dim)}
.btn[disabled]{opacity:.5;cursor:default}
.stack{display:flex;flex-direction:column;gap:10px}
.quota .line span.warn{color:var(--bad)}
.track i.bad{background:var(--bad)}
button.icon{border:0;padding:0;cursor:pointer;font:inherit}

/* delta */
.mark i{font-style:normal;font-size:20px;line-height:1}
.seg3{display:flex;gap:3px;padding:3px;background:var(--inset);border-radius:999px}
.seg3 button{appearance:none;flex:1 1 0;height:38px;border:0;border-radius:999px;background:none;
  font-family:var(--sans);font-size:15px;font-weight:500;color:var(--dim);cursor:pointer}
.seg3 button.on{background:var(--sub);color:var(--ink)}
.media{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--inset);border-radius:16px}
.media .pic{flex:0 0 auto;width:96px;height:54px;border-radius:10px;background:var(--sub);overflow:hidden;
  display:flex;align-items:center;justify-content:center}
.media .pic svg{stroke:var(--dim)}
.media .pic img{width:100%;height:100%;object-fit:cover;display:block}
.media .txt{display:flex;flex-direction:column;gap:4px;min-width:0}
.media .txt b{font-size:15px;font-weight:500;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.media .txt span{font-size:13px;color:var(--dim)}
.prog{display:flex;flex-direction:column;gap:12px;padding:18px 20px;background:var(--inset);border-radius:16px}
.prog .line{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:15px}
.prog .line b{font-weight:500;font-variant-numeric:tabular-nums}
.prog .line.sub{font-size:13px;color:var(--dim);font-variant-numeric:tabular-nums}
.filerow{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:17px 20px;
  background:var(--inset);border-radius:16px}
.filerow span:first-child{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.filerow span:last-child{flex:0 0 auto;font-size:14px;color:var(--dim)}
.pair{display:flex;gap:10px}
.pair .btn{flex:1 1 0}
.pair .btn.ghost{flex:0 0 auto;padding:0 28px}
.title{padding:20px 20px 8px;font-size:22px;font-weight:600;letter-spacing:-.025em}
.center{display:flex;flex-direction:column;align-items:center;gap:7px;padding:34px 20px 14px;text-align:center}
.center b{font-size:22px;font-weight:600;letter-spacing:-.025em}
.center span{font-size:15px;color:var(--dim);word-break:break-word}
.plhead{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:16px 20px 6px}
.plhead b{font-size:20px;font-weight:600;letter-spacing:-.025em}
.plhead button{appearance:none;border:0;background:none;font:inherit;font-size:14px;color:var(--dim);cursor:pointer;padding:0}
.plhead button:hover{color:var(--ink)}
.pl{background:var(--inset);border-radius:16px;max-height:330px;overflow:auto}
.pl label{display:flex;align-items:center;gap:14px;padding:12px 18px;cursor:pointer}
.pl label + label{border-top:1px solid var(--line)}
.pl input{appearance:none;flex:0 0 auto;width:22px;height:22px;margin:0;border-radius:7px;border:1.5px solid var(--line2);
  background:transparent;cursor:pointer}
.pl input:checked{border:0;background:var(--btn) center/13px no-repeat}
.pl input:checked{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23808080' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7'/%3E%3C/svg%3E")}
.pl .nm{flex:1 1 auto;min-width:0;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--dim)}
.pl input:checked ~ .nm{color:var(--ink)}
.pl .du{flex:0 0 auto;font-size:13px;color:var(--dim);font-variant-numeric:tabular-nums}
.grp{padding:12px 6px 2px;font-size:13px;color:var(--dim)}
.opt{display:flex;align-items:center;justify-content:space-between;gap:12px;height:50px;padding:0 10px 0 18px;
  background:var(--inset);border-radius:14px;font-size:15px}
.opt > span{color:var(--dim)}
.opt select{appearance:none;border:0;background:none;color:var(--ink);font-family:var(--sans);font-size:15px;font-weight:500;
  text-align:right;text-align-last:right;padding:0 8px;height:44px;cursor:pointer}
.opt.sw > span{color:var(--ink)}
.switch{appearance:none;position:relative;flex:0 0 auto;width:50px;height:30px;margin:0;border-radius:999px;background:var(--sub);cursor:pointer}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:999px;background:var(--dim);transition:left .15s}
.switch:checked{background:var(--btn)}
.switch:checked::after{left:23px;background:var(--btn-ink)}
.sheet.tall{max-height:calc(100vh - 40px);overflow:auto}
.foots button.foot{appearance:none;border:0;background:none;font:inherit;font-size:13px;color:var(--dim);cursor:pointer;padding:0}
.foots button.foot:hover{color:var(--ink)}
@media (max-width:520px){
  .seg3 button{height:42px}
  .media,.prog,.filerow,.pl{border-radius:18px}
  .pl{max-height:46vh}
}