/* UI тестового Modbus-сервера в фирменном стиле modbustoolkit.electroman.by.
   Токены и шрифты — как на маркетинговом лендинге (landing.html). */

@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-mono-400-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-mono-400-latin.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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/ibm-plex-mono-500-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/ibm-plex-mono-500-latin.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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-sans-400-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/ibm-plex-sans-400-latin.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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/ibm-plex-sans-400-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/ibm-plex-sans-400-latin.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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Oswald';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/oswald-600-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'Oswald';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/oswald-600-latin.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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Oswald';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/oswald-600-cyrillic.woff2) format('woff2');unicode-range:U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;}
@font-face{font-family:'Oswald';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/oswald-600-latin.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+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}

:root{
  --bg:#0a0e12;
  --surface:#12181e;
  --surface-2:#171f26;
  --border:#29333c;
  --text:#e8f0f0;
  --text-muted:#8a99a3;
  --accent:#35d0b0;
  --accent-deep:#16a382;
  --accent-ink:#04211b;
  --warn:#f0a84d;
  --danger:#ef6461;
  --radius:3px;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  --sans:'IBM Plex Sans',-apple-system,'Segoe UI',sans-serif;
  --display:'Oswald','Segoe UI',sans-serif;
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#f2f5f4; --surface:#ffffff; --surface-2:#eaeeec; --border:#d7ddda;
    --text:#10181a; --text-muted:#54636a;
    --accent:#0e8f76; --accent-deep:#0b7561; --accent-ink:#e3f7f2;
    --warn:#a8641a; --danger:#b73f3a;
  }
}
:root[data-theme="dark"]{
  --bg:#0a0e12; --surface:#12181e; --surface-2:#171f26; --border:#29333c;
  --text:#e8f0f0; --text-muted:#8a99a3;
  --accent:#35d0b0; --accent-deep:#16a382; --accent-ink:#04211b;
  --warn:#f0a84d; --danger:#ef6461;
}
:root[data-theme="light"]{
  --bg:#f2f5f4; --surface:#ffffff; --surface-2:#eaeeec; --border:#d7ddda;
  --text:#10181a; --text-muted:#54636a;
  --accent:#0e8f76; --accent-deep:#0b7561; --accent-ink:#e3f7f2;
  --warn:#a8641a; --danger:#b73f3a;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--accent);color:var(--accent-ink);}
a{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

.wrap{max-width:1080px;margin:0 auto;padding:0 32px;}

h1,h2,h3{
  font-family:var(--display);
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.01em;
  text-wrap:balance;
  margin:28px 0 12px;
}
h1{font-size:26px;}
h2{font-size:21px;}
h3{font-size:17px;}
h4{margin:20px 0 8px;font-size:15px;}

.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--accent);
}

.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}

p{margin:0 0 12px;color:var(--text-muted);max-width:72ch;}
p:last-child{margin-bottom:0;}

/* ---------- шапка: nameplate + разделы + язык ---------- */
.topbar{border-bottom:1px solid var(--border);background:var(--surface);}
.topbar-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;}
.topbar-row .brand{
  font-family:var(--display);font-weight:600;font-size:19px;
  text-transform:uppercase;letter-spacing:0.03em;
  color:var(--text);text-decoration:none;white-space:nowrap;
}
.topbar-row .brand .dot{color:var(--accent);}
.topbar-badge{
  font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:0.05em;
  color:var(--accent);border:1px solid var(--accent);border-radius:999px;
  padding:3px 10px;white-space:nowrap;
}
.lang-switch{margin:0 0 0 auto;display:flex;gap:6px;}
.lang-switch a{
  font-family:var(--mono);font-size:12px;color:var(--text-muted);
  text-decoration:none;border:1px solid var(--border);border-radius:var(--radius);
  padding:2px 10px;white-space:nowrap;
}
.lang-switch a.active{color:var(--accent);border-color:var(--accent);}
.lang-switch a:hover:not(.active){color:var(--text);border-color:var(--text-muted);}

nav{margin:0;border-bottom:1px solid var(--border);background:var(--surface);}
nav .wrap{display:flex;flex-wrap:wrap;gap:6px 4px;padding-top:10px;padding-bottom:10px;}
nav a{
  font-family:var(--mono);font-size:12.5px;text-transform:uppercase;
  letter-spacing:0.06em;text-decoration:none;color:var(--text-muted);
  padding:5px 12px;border-radius:var(--radius);white-space:nowrap;
}
nav a:hover{color:var(--text);background:var(--surface-2);}
nav a.active{background:var(--accent);color:var(--accent-ink);}

main{padding-top:8px;padding-bottom:48px;}

.subtitle{color:var(--text-muted);margin:2px 0 0;font-family:var(--mono);font-size:13px;}

/* ---------- плашки и баннеры ---------- */
.banner{
  border:1px solid var(--warn);
  border-left-width:4px;
  background:color-mix(in srgb,var(--warn) 12%,var(--surface));
  border-radius:var(--radius);
  padding:14px 18px;
  margin:18px 0 24px;
}
.banner strong{color:var(--text);font-weight:600;}

.docs-banner{
  border:1px solid var(--accent);border-left-width:4px;
  background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 10%,var(--surface)),var(--surface));
  border-radius:var(--radius);padding:24px 26px;
  display:flex;gap:26px;align-items:center;justify-content:space-between;
  flex-wrap:wrap;margin:28px 0;
}
.docs-banner h2{margin:6px 0 10px;}
.docs-banner p{margin:0 0 10px;}
.docs-banner .cta-row{display:flex;gap:10px;flex-wrap:wrap;}

.hero-support{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  margin:26px 0 0;padding:16px 20px;
  border:1px solid var(--accent);border-left-width:4px;border-radius:var(--radius);
  background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 12%,var(--surface)),var(--surface));
}
.hero-support .btn.donate{flex:none;}
.hero-support p{margin:0;flex:1 1 220px;min-width:0;font-size:14.5px;line-height:1.45;color:var(--text);}
.hero-support p b{color:var(--accent);}
@media (max-width:560px){
  .hero-support{padding:12px 14px;gap:12px;}
  .hero-support .btn.donate{width:100%;text-align:center;}
}

/* ---------- кнопки ---------- */
.btn{
  display:inline-block;
  font-family:var(--display);font-weight:600;font-size:14px;
  text-transform:uppercase;letter-spacing:0.03em;
  padding:13px 24px;border-radius:var(--radius);border:1px solid var(--accent);
  background:var(--accent);color:var(--accent-ink);text-decoration:none;
  cursor:pointer;transition:transform .15s ease,background .15s ease;
}
.btn:hover{transform:translateY(-1px);background:var(--accent-deep);border-color:var(--accent-deep);}
.btn.ghost{background:transparent;color:var(--accent);}
.btn.ghost:hover{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);}
.btn.docs{background:transparent;border-color:var(--border);color:var(--text);}
.btn.docs:hover{border-color:var(--accent);color:var(--accent);}
.btn.donate{
  padding:16px 30px;
  animation:donate-pulse 2.6s ease-out infinite;
}
@keyframes donate-pulse{
  0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 45%,transparent);}
  70%{box-shadow:0 0 0 12px transparent;}
  100%{box-shadow:0 0 0 0 transparent;}
}
@media (prefers-reduced-motion: reduce){
  .btn.donate{animation:none;}
  .btn{transition:none;}
}

button{
  font-family:var(--display);font-weight:600;font-size:13px;
  text-transform:uppercase;letter-spacing:0.03em;
  padding:9px 16px;border-radius:var(--radius);
  border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);
  cursor:pointer;transition:transform .15s ease,background .15s ease;
}
button:hover{transform:translateY(-1px);background:var(--accent-deep);border-color:var(--accent-deep);}

.copy-btn{
  background:transparent;color:var(--accent);border-color:var(--border);
  padding:7px 14px;font-family:var(--mono);font-size:12px;text-transform:uppercase;
}
.copy-btn:hover{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);}

/* ---------- формы ---------- */
input,select{
  font-family:var(--mono);font-size:13px;
  background:var(--surface-2);color:var(--text);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:7px 9px;
}
input::placeholder{color:var(--text-muted);}
label{font-family:var(--mono);font-size:12.5px;color:var(--text-muted);margin-right:12px;white-space:nowrap;}
label input,label select{margin-left:6px;}
label input[type="checkbox"]{margin-left:0;vertical-align:middle;}

/* формы: подпись над полем, единая ширина, выравнивание по левому краю */
.form-row{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:14px 16px;
  margin:0 0 14px;
}
.form-row > label{
  display:flex;flex-direction:column;gap:4px;
  margin:0;white-space:normal;min-width:0;
}
.form-row > label input,
.form-row > label select{width:100%;margin-left:0;}
.form-row > label.check{
  flex-direction:row;align-items:center;gap:6px;align-self:end;
}
.form-row > label.check input[type="checkbox"]{width:auto;margin:0;}
.form-actions{margin:0 0 14px;}

/* ---------- таблицы, списки, код ---------- */
dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0 0 14px;}
dt{font-family:var(--mono);font-size:13px;color:var(--text-muted);}
dd{margin:0;color:var(--text);}
.api-links{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:16px 0 22px;}
.api-links .btn{flex:none;}

code{
  font-family:var(--mono);font-size:0.92em;
  background:var(--surface-2);padding:0.1rem 0.35rem;border-radius:var(--radius);
}
pre{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px 18px;overflow-x:auto;
}
pre code{background:none;padding:0;font-size:13px;line-height:1.55;}

/* подсветка синтаксиса (highlight.js) в примерах кода - токены на переменных темы */
.hljs{color:var(--text);}
.hljs-comment,.hljs-quote{color:var(--text-muted);font-style:italic;}
.hljs-keyword,.hljs-selector-tag,.hljs-doctag,.hljs-literal,.hljs-meta{color:var(--danger);}
.hljs-string,.hljs-attr,.hljs-attribute,.hljs-symbol,.hljs-bullet,.hljs-addition{color:var(--accent);}
.hljs-number,.hljs-built_in,.hljs-type,.hljs-selector-class,.hljs-selector-id,
.hljs-template-variable,.hljs-variable.language_{color:var(--warn);}
.hljs-title,.hljs-name,.hljs-section{color:var(--text);font-weight:600;}
.hljs-emphasis{font-style:italic;}
.hljs-strong{font-weight:600;}
.hljs-link{color:var(--accent);text-decoration:underline;}
.hljs-deletion{color:var(--danger);}

table.formats,
table.values{
  border-collapse:collapse;width:100%;margin:12px 0 18px;
  font-family:var(--mono);font-size:13px;
}
table.formats th,table.formats td,
table.values th,table.values td{
  border:1px solid var(--border);
  padding:7px 10px;text-align:left;
}
table.formats th,table.values th{
  background:var(--surface-2);color:var(--text-muted);
  font-weight:500;text-transform:uppercase;letter-spacing:0.05em;font-size:11.5px;
}
table.values tr:hover td{background:var(--surface-2);}

.note{color:var(--text-muted);font-size:13.5px;max-width:none;}

/* ---------- карта регистров ---------- */
#reg-page{margin:0 0.75rem;}
table.values td.editable{cursor:pointer;}
table.values td.editable:hover{background:color-mix(in srgb,var(--accent) 12%,transparent);}
table.values td.editing{outline:1px solid var(--accent);}
table.values td input{width:7rem;}
table.values td select{width:7rem;}
/* Фиксированные крайние колонки: правка значения не меняет ширину столбцов. */
table.reg-map{table-layout:fixed;}
table.reg-map th:first-child,table.reg-map td:first-child{width:7rem;}
table.reg-map th:last-child,table.reg-map td:last-child{width:5rem;}
#chart-canvas{width:100%;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);}

/* ---------- часовые пояса ---------- */
.zone-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:10px;margin:14px 0;
}
.zone-card{
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--surface);padding:12px 14px;
}
.zone-card h3{
  font-family:var(--mono);font-size:12.5px;text-transform:none;letter-spacing:0;
  margin:0 0 8px;color:var(--accent);
}
.zone-card dl{grid-template-columns:max-content 1fr;gap:3px 12px;font-size:12.5px;margin:0;}

/* ---------- параметры поведений ---------- */
#bh-params{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px 16px;margin:12px 0;}
#bh-params .bh-param{display:flex;flex-direction:column;gap:4px;}
#bh-params .bh-param label{margin:0;white-space:normal;}
#bh-params .bh-param input,#bh-params .bh-param select{width:100%;}

/* ---------- футер ---------- */
footer{border-top:1px solid var(--border);background:var(--surface);margin-top:40px;}
footer .wrap{padding-top:34px;padding-bottom:40px;}
.foot-top{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:28px;}
.foot-brand{
  font-family:var(--display);text-transform:uppercase;letter-spacing:0.03em;
  color:var(--text);font-weight:600;font-size:16px;
}
.foot-version{font-family:var(--mono);font-size:12px;color:var(--text-muted);}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;}
.foot-group .eyebrow{display:block;margin-bottom:12px;}
.foot-group p{font-size:13px;}
.foot-group ul{list-style:none;margin:0;padding:0;font-family:var(--mono);font-size:12.5px;line-height:1.9;}
.foot-group li{color:var(--text-muted);}
.foot-group li a{text-decoration:none;}
.foot-group li a:hover{text-decoration:underline;}

@media (max-width:700px){
  .wrap{padding:0 16px;}
  .docs-banner{padding:20px 16px;}
  .foot-grid{grid-template-columns:1fr;gap:24px;}
}