/* TATALIKEN — інтерактивний тренажер підключення (#simApp) */
#simApp{--s-bg:#F2F4F8;--s-panel:#fff;--s-ink:#0C111B;--s-muted:#5E687C;--s-line:#E1E6F0;--s-accent:#E4202D;
 --s-board:#151B28;--s-board-ink:#E9EDF5;--s-board-muted:#8C96AA;--s-part:#1F2738;--s-part-edge:#33405A;
 --s-plus:#E4202D;--s-ac:#3B82F6;--s-ok:#14915A;--s-ok-bg:#E6F6EE;--s-warn:#B25E00;--s-warn-bg:#FFF4E0;--s-err:#C81E2A;--s-err-bg:#FDECEE;
 --s-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;color:var(--s-ink)}
#simApp *{box-sizing:border-box}
#simApp [hidden]{display:none!important}
#simApp .s-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}
#simApp .s-board{background:var(--s-board);border-radius:18px;padding:10px;min-width:0}
#simApp .s-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;padding:4px 6px 10px}
#simApp .s-hint{color:var(--s-board-muted);font-size:13px;line-height:1.45;min-width:0;flex:1 1 260px}
#simApp .s-hint b{color:var(--s-board-ink)}
#simApp .s-btns{display:flex;flex-wrap:wrap;gap:8px}
#simApp .s-btn{appearance:none;border:1px solid transparent;font:700 14px/1.2 inherit;font-family:inherit;padding:10px 14px;border-radius:12px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
#simApp .s-power{background:var(--s-accent);color:#fff}
#simApp .s-power[aria-pressed="true"]{background:var(--s-ok);color:#fff}
#simApp .s-ghost{background:transparent;color:var(--s-board-ink);border-color:#3A4660}
#simApp .s-ghost:hover{border-color:var(--s-board-ink)}
#simApp .s-gridbtn{background:#243048;color:var(--s-board-ink)}
#simApp .s-gridbtn[aria-pressed="false"]{background:#3A1F25;color:#FFB4B9}
#simApp .s-swbtn{background:#2E2914;color:#F2C94C;border-color:#5C4F1F}
#simApp .s-swbtn:hover{border-color:#F2C94C}
#simApp button:focus-visible,#simApp select:focus-visible,#simApp a:focus-visible,#simApp .term:focus-visible{outline:3px solid rgba(228,32,45,.55);outline-offset:2px}
#simApp svg.s-svg{display:block;width:100%;height:auto;touch-action:manipulation;user-select:none;-webkit-user-select:none}
#simApp .s-panel{background:var(--s-panel);border:1px solid var(--s-line);border-radius:16px;padding:16px;min-width:0}
#simApp .s-panel h2,#simApp .s-panel h3{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--s-muted);margin:0 0 10px;font-weight:800}
#simApp .s-field{display:grid;gap:4px;margin-bottom:12px}
#simApp .s-field label{font-size:13px;font-weight:700}
#simApp select{width:100%;font:500 14px inherit;font-family:inherit;padding:9px 10px;border-radius:10px;border:1px solid var(--s-line);background:var(--s-bg);color:var(--s-ink)}
#simApp .s-row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
#simApp .s-apps{display:grid;gap:4px}
#simApp .s-app{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;padding:6px 8px;border-radius:9px;border:1px solid var(--s-line);cursor:pointer}
#simApp .s-app input{accent-color:var(--s-accent);margin:0 8px 0 0}
#simApp .s-app .w{font-family:var(--s-mono);font-size:11.5px;color:var(--s-muted);white-space:nowrap}
#simApp .s-spec{font-family:var(--s-mono);font-size:11.5px;color:var(--s-muted)}
#simApp .s-main{min-width:0;display:grid;gap:14px}
#simApp .s-res{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;align-items:start}
#simApp .s-res .s-meter{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-areas:"h d" "b d";align-items:center;gap:10px 32px}
#simApp .s-res .s-mhead{grid-area:h}
#simApp .s-res .s-meter dl{grid-area:d;grid-template-columns:none;grid-template-rows:auto auto;grid-auto-flow:column;grid-auto-columns:max-content;justify-content:space-between;margin:0;gap:4px 20px;padding-left:28px;border-left:1px solid var(--s-line);align-self:stretch;align-content:center}
#simApp .s-res .s-meter dd{text-align:left;font-size:16px;font-weight:700}
#simApp .s-res .s-meter dt{font-size:13px;white-space:nowrap}
#simApp .s-res .s-buy{grid-area:b;margin-top:0;white-space:nowrap;padding:10px 16px;font-size:14px}
#simApp .s-res .s-buy[hidden]{display:none}
#simApp .s-warnline{margin:0;padding:10px 14px;border-radius:12px;background:var(--s-err-bg);color:var(--s-err);font-weight:700;font-size:14px;line-height:1.45;border:1px solid #F2B8BD}
@media(max-width:1100px){#simApp .s-res .s-meter dl{grid-template-rows:none;grid-auto-flow:row;grid-template-columns:auto auto;gap:6px 16px}}
@media(max-width:640px){#simApp .s-res .s-meter{grid-template-columns:minmax(0,1fr);grid-template-areas:"h" "d" "b"}#simApp .s-res .s-meter dl{padding-left:0;border-left:0}#simApp .s-res .s-buy{padding:12px 14px;font-size:15px}#simApp .s-res .s-meter dl{grid-template-rows:none;grid-auto-flow:row;grid-template-columns:auto auto;justify-content:space-between;gap:6px 12px}#simApp .s-res .s-meter dd{text-align:right;font-size:14px;font-weight:400}}
#simApp .s-verdict{display:grid;gap:8px;min-width:0}
#simApp .v{display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px;padding:12px 14px;border-radius:14px;background:var(--s-panel);border:1px solid var(--s-line)}
#simApp .v .ic{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:15px}
#simApp .v.ok .ic{background:var(--s-ok-bg);color:var(--s-ok)}#simApp .v.warn .ic{background:var(--s-warn-bg);color:var(--s-warn)}#simApp .v.err .ic{background:var(--s-err-bg);color:var(--s-err)}#simApp .v.info .ic{background:var(--s-bg);color:var(--s-muted)}
#simApp .v.err{border-color:#F2B8BD}
#simApp .v b{display:block;font-size:15px;line-height:1.35}
#simApp .v p{margin:3px 0 0;color:var(--s-muted);font-size:14px;line-height:1.5}
#simApp .v a{color:var(--s-accent);font-weight:700;text-decoration:none}
#simApp .s-idle{color:var(--s-muted);padding:14px;border:1px dashed var(--s-line);border-radius:14px;background:var(--s-panel)}
#simApp .s-meter{background:var(--s-panel);border:1px solid var(--s-line);border-radius:16px;padding:16px}
#simApp .s-meter .lbl{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--s-muted);font-weight:800}
#simApp .s-meter .big{font-family:var(--s-mono);font-weight:700;font-size:32px;line-height:1.15;font-variant-numeric:tabular-nums}
#simApp .s-meter dl{display:grid;grid-template-columns:auto auto;justify-content:space-between;gap:6px 12px;margin:12px 0 0;font-size:14px}
#simApp .s-meter dt{color:var(--s-muted)}#simApp .s-meter dd{margin:0;font-family:var(--s-mono);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
#simApp .s-buy{display:flex;justify-content:center;text-align:center;font-size:15px;margin-top:14px;background:var(--s-accent);color:#fff!important;padding:12px 14px;border-radius:12px;font-weight:800;text-decoration:none!important}
#simApp .s-note{margin:14px 0 0;font-size:13px;color:var(--s-muted);line-height:1.5}
/* svg parts */
#simApp .part rect.body{fill:var(--s-part);stroke:var(--s-part-edge);stroke-width:2}
#simApp .part text{fill:var(--s-board-ink);font-family:inherit}
#simApp .part .sub{fill:var(--s-board-muted);font-size:13px}
#simApp .part .ttl{font-weight:800;font-size:16px}
#simApp .term .hit{fill:transparent;cursor:pointer}
#simApp .term circle.dot{stroke-width:3}
#simApp .term.plus circle.dot{fill:var(--s-plus);stroke:#FF9AA0}
#simApp .term.minus circle.dot{fill:#0B0F18;stroke:#9AA4B8}
#simApp .term.ac circle.dot{fill:var(--s-ac);stroke:#9CC3FF}
#simApp .term text{font-family:var(--s-mono);font-size:14px;font-weight:700;fill:var(--s-board-ink);pointer-events:none}
#simApp .term.sel circle.dot{stroke:#fff;stroke-width:5}
#simApp .term:hover circle.dot{stroke:#fff}
#simApp .wire{fill:none;stroke-linecap:round;pointer-events:none}
#simApp .wire.plus{stroke:var(--s-plus)}#simApp .wire.minus{stroke:#5B6680}#simApp .wire.ac{stroke:var(--s-ac)}
#simApp .wire.flow{stroke-dasharray:10 8;animation:simflow .7s linear infinite}
#simApp .wire.hot{stroke:#FF8A00!important;stroke-dasharray:10 8;animation:simflow .35s linear infinite,simhot 1s ease-in-out infinite}
@keyframes simflow{to{stroke-dashoffset:-36}}
@keyframes simhot{50%{stroke-width:10}}
#simApp .wirehit{fill:none;stroke:transparent;stroke-width:24;cursor:pointer}
#simApp .burnt rect.body{fill:#2A1A1C;stroke:#7A2A30}
#simApp .burnt image{filter:grayscale(1) brightness(.45)}
#simApp .smoke circle{fill:#9AA4B8;opacity:0;animation:simpuff 2.4s ease-out infinite}
#simApp .smoke circle:nth-child(2){animation-delay:.8s}#simApp .smoke circle:nth-child(3){animation-delay:1.6s}
@keyframes simpuff{0%{opacity:0;transform:translate(0,0) scale(.4)}20%{opacity:.55}100%{opacity:0;transform:translate(10px,-60px) scale(1.8)}}
#simApp .chip rect{fill:#222C40;stroke:#34415B}#simApp .chip.on rect{fill:#1E3B2C;stroke:#3DD68C}
#simApp .chip text{fill:var(--s-board-ink);font-size:12.5px}
#simApp .disp{font-family:var(--s-mono);font-weight:700;font-size:16px}
@media(max-width:960px){#simApp .s-grid,#simApp .s-res{grid-template-columns:minmax(0,1fr)}}
@media(max-width:560px){#simApp .s-btns{width:100%}#simApp .s-btns .s-btn{flex:1 1 auto;justify-content:center}}
@media (prefers-reduced-motion:reduce){#simApp .wire.flow,#simApp .wire.hot,#simApp .smoke circle{animation:none}}
#simApp .s-add{appearance:none;width:100%;margin-top:8px;padding:10px;border-radius:10px;border:1px dashed #C7CFDD;background:transparent;color:var(--s-accent);font:700 14px inherit;font-family:inherit;cursor:pointer}
#simApp .s-add:hover{border-color:var(--s-accent)}
#simApp .s-addform{margin-top:10px;padding:12px;border:1px solid var(--s-line);border-radius:12px;background:var(--s-bg)}
#simApp .s-addform input[type="text"],#simApp .s-addform input:not([type]),#simApp .s-addform input[type="number"]{width:100%;font:500 14px inherit;font-family:inherit;padding:9px 10px;border-radius:10px;border:1px solid var(--s-line);background:var(--s-panel);color:var(--s-ink)}
#simApp .s-check{display:flex;gap:8px;align-items:center;font-size:13.5px;margin:2px 0 12px}
#simApp .s-check input{accent-color:var(--s-accent)}
#simApp .s-formbtns{display:flex;gap:8px}
#simApp .s-cancel{background:transparent;border-color:var(--s-line);color:var(--s-ink)}
#simApp .s-app.is-custom{border-style:dashed}
#simApp .s-del{appearance:none;border:0;background:transparent;color:var(--s-err);font-size:18px;line-height:1;padding:0 2px 0 6px;cursor:pointer}
/* page blocks around the simulator */
.sim-page .sim-ex-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:24px;align-items:start;margin:8px 0 20px}
@media(max-width:900px){.sim-page .sim-ex-grid{grid-template-columns:minmax(0,1fr)}}
.sim-page .sim-steps{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:simst}
.sim-page .sim-steps li{counter-increment:simst;position:relative;padding:16px 18px 16px 64px;background:#fff;border:1px solid #E3E7EF;border-radius:16px;font-size:16px;line-height:1.55;box-shadow:0 1px 2px rgba(12,17,27,.04)}
.sim-page .sim-steps li::before{content:counter(simst);position:absolute;left:16px;top:14px;width:32px;height:32px;border-radius:50%;background:#E4202D;color:#fff;font-weight:800;font-size:15px;display:grid;place-items:center}
.sim-page .sim-steps li:not(:last-child)::after{content:"";position:absolute;left:31px;top:50px;bottom:-14px;width:2px;background:#F3C3C7}
.sim-page .sim-steps b{color:#C81E2A}
.sim-page .sim-tbl{overflow-x:auto;margin:0;border-radius:16px;border:1px solid #E3E7EF;background:#fff;box-shadow:0 1px 2px rgba(12,17,27,.04)}
.sim-page .sim-tbl table{width:100%;border-collapse:collapse;font-size:15px}
.sim-page .sim-tbl th,.sim-page .sim-tbl td{padding:12px 16px;text-align:left;border-bottom:1px solid #EEF0F5}
.sim-page .sim-tbl th{background:#0C111B;color:#fff;font-weight:700;font-size:13px;letter-spacing:.02em}
.sim-page .sim-tbl td:first-child{font-weight:800;color:#0C111B}
.sim-page .sim-tbl tbody tr:nth-child(even) td{background:#F8F9FC}
.sim-page .sim-tbl tr:last-child td{border-bottom:0}
.sim-page .sim-tip{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:start;padding:16px 18px;border-radius:16px;background:#FFF8E6;border:1px solid #F6E0A6;max-width:none}
.sim-page .sim-tip-ico{font-size:22px;line-height:1.2}
.sim-page .sim-tip p{margin:0;max-width:none;font-size:15.5px;line-height:1.6}
.sim-page .sim-tip a{color:#C81E2A;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.sim-page .sim-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.sim-page .sim-card{position:relative;display:grid;gap:6px;padding:18px 44px 18px 18px;background:#fff;border:1px solid #E3E7EF;border-radius:16px;color:#0C111B!important;text-decoration:none!important;transition:border-color .2s,transform .2s}
.sim-page .sim-card:hover{border-color:#E4202D;transform:translateY(-2px)}
.sim-page .sim-card b{font-size:16px}.sim-page .sim-card span{color:#5E687C;font-size:14px}
.sim-page .sim-card em{position:absolute;right:18px;top:50%;transform:translateY(-50%);font-style:normal;color:#E4202D;font-weight:800;font-size:18px}

/* selected terminal: electric pulse + sparks; candidates glow; preview wire */
#simApp .selfx{pointer-events:none}
#simApp .selfx .pulse{fill:none;stroke:#FFE066;stroke-width:4;transform-box:fill-box;transform-origin:center;animation:simring 1.1s ease-out infinite}
#simApp .selfx .pulse.p2{animation-delay:.55s}
#simApp .selfx .spark{fill:none;stroke:#FFE066;stroke-width:3;stroke-dasharray:3 7;stroke-linecap:round;transform-box:fill-box;transform-origin:center;animation:simspin 1.2s linear infinite;filter:drop-shadow(0 0 4px #FFD000)}
@keyframes simring{0%{transform:scale(1);opacity:.95}100%{transform:scale(2.4);opacity:0}}
@keyframes simspin{to{transform:rotate(360deg)}}
#simApp .term.sel circle.dot{stroke:#FFE066;stroke-width:5;filter:drop-shadow(0 0 8px #FFD000)}
#simApp .term.cand circle.dot{animation:simcand 1s ease-in-out infinite}
@keyframes simcand{50%{stroke:#fff;stroke-width:6;filter:drop-shadow(0 0 6px rgba(255,255,255,.8))}}
#simApp .term.dim{opacity:.35}
#simApp .wire.preview{stroke-dasharray:8 8;opacity:.9;animation:simflow .45s linear infinite;filter:drop-shadow(0 0 6px #FFD000)}
@media (prefers-reduced-motion:reduce){#simApp .selfx .pulse,#simApp .selfx .spark,#simApp .term.cand circle.dot,#simApp .wire.preview{animation:none}}

/* scheme tabs: cards with icon, number, title, subtitle */
#simApp .s-tabs{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin:0 0 16px}
#simApp .s-tab{appearance:none;position:relative;display:flex;align-items:center;gap:12px;min-width:0;padding:14px 14px 14px 12px;border-radius:16px;border:1px solid var(--s-line);background:var(--s-panel);color:var(--s-ink)!important;text-decoration:none!important;text-align:left;font-family:inherit;cursor:pointer;box-shadow:0 4px 14px rgba(12,17,27,.05);transition:border-color .2s,transform .2s,box-shadow .2s}
#simApp .s-tab:hover{border-color:var(--s-accent);transform:translateY(-2px);box-shadow:0 10px 24px rgba(12,17,27,.09)}
#simApp .s-tab-ico{flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:#FDECEE;color:var(--s-accent)}
#simApp .s-tab-ico svg{width:26px;height:26px}
#simApp .s-tab-txt{display:grid;gap:1px;min-width:0}
#simApp .s-tab-txt small{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--s-muted)}
#simApp .s-tab-txt b{font-size:15px;line-height:1.2}
#simApp .s-tab-txt em{font-style:normal;font-size:12.5px;line-height:1.3;color:var(--s-muted)}
#simApp .s-tab.is-on{background:var(--s-board);border-color:var(--s-board);color:#fff!important;box-shadow:0 12px 28px rgba(12,17,27,.22)}
#simApp .s-tab.is-on::after{content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:3px;border-radius:3px;background:var(--s-accent)}
#simApp .s-tab.is-on .s-tab-ico{background:var(--s-accent);color:#fff}
#simApp .s-tab.is-on .s-tab-txt small,#simApp .s-tab.is-on .s-tab-txt em{color:#AEB7C9}
@media(max-width:1300px){#simApp .s-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){#simApp .s-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
 #simApp .s-tab{gap:9px;padding:10px 10px 10px 9px;border-radius:14px;box-shadow:none}
 #simApp .s-tab:hover{transform:none}
 #simApp .s-tab-ico{flex-basis:34px;width:34px;height:34px;border-radius:10px}#simApp .s-tab-ico svg{width:20px;height:20px}
 #simApp .s-tab-txt small{font-size:10px}#simApp .s-tab-txt b{font-size:13.5px}#simApp .s-tab-txt em{display:none}
 #simApp .s-tab.is-on::after{left:12px;right:12px}}

#simApp .swknob{cursor:pointer}#simApp .swknob:hover circle{stroke:#E9C46A}
#simApp .swknob rect{transition:transform .25s}
#simApp .mled.on{animation:simblink 1s steps(2,start) infinite}
@keyframes simblink{to{opacity:.25}}
@media (prefers-reduced-motion:reduce){#simApp .mled.on{animation:none}}
.sim-seo .sim-safety{margin:18px 0 6px;padding:16px 18px;border:1px solid #F2B8BD;border-left:5px solid #C81E2A;border-radius:14px;background:#FDECEE;color:#9B1520}
.sim-seo .sim-safety h3{margin:0 0 8px;font-size:17px;color:#C81E2A;display:flex;gap:8px;align-items:center}
.sim-seo .sim-safety ul{margin:0;padding-left:20px;display:grid;gap:6px}
.sim-seo .sim-safety li{font-size:15px;line-height:1.5;color:#9B1520;font-weight:600}
.sim-seo .sim-tbl2{overflow-x:auto;margin:10px 0 16px}
.sim-seo .sim-tbl2 table{border-collapse:collapse;width:100%;min-width:460px;font-size:14px}
.sim-seo .sim-tbl2 th,.sim-seo .sim-tbl2 td{border:1px solid #E3E6EE;padding:8px 10px;text-align:left;vertical-align:top}
.sim-seo .sim-tbl2 th{background:#F4F6FA;font-weight:700}