:root{
  --bg:#0f1419; --panel:#171d26; --panel2:#1d2530; --line:#2a3340;
  --txt:#dfe6ee; --muted:#8896a6; --accent:#3b9eff;
  --ok:#33c989; --warn:#ffb454; --err:#ff5d5d; --off:#55626f;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--txt);
  font:14px/1.45 -apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
.muted{color:var(--muted);font-weight:400}
.hidden{display:none!important}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-card{background:var(--panel);padding:32px;border-radius:14px;width:320px;
  border:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.login-card h1{margin:0;font-size:22px}
.login-card input{padding:11px;border-radius:8px;border:1px solid var(--line);
  background:var(--panel2);color:var(--txt);font-size:15px}
.login-card button{padding:11px;border:0;border-radius:8px;background:var(--accent);
  color:#fff;font-size:15px;cursor:pointer}
.err{color:var(--err);font-size:13px}

/* layout */
.topbar{display:flex;align-items:center;gap:18px;padding:12px 20px;
  background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-weight:700;font-size:16px}
.heartbeat{flex:1;display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.heartbeat b{color:var(--txt)}
.logout{font-size:13px}
.wrap{max-width:1200px;margin:18px auto;padding:0 16px;display:flex;flex-direction:column;gap:18px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.card .n{font-size:26px;font-weight:700}
.card .l{color:var(--muted);font-size:12.5px;margin-top:2px}

/* panels & grid */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;border-bottom:1px solid var(--line)}
.panel-head h2{margin:0;font-size:15px}
.filter{padding:7px 10px;border-radius:8px;border:1px solid var(--line);
  background:var(--panel2);color:var(--txt);width:240px}
table.grid{width:100%;border-collapse:collapse}
.grid th{ text-align:left;padding:9px 12px;color:var(--muted);font-weight:600;
  font-size:12px;border-bottom:1px solid var(--line);background:var(--panel2)}
.grid td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.grid tr:hover td{background:#19212c;cursor:pointer}
.name-main{font-weight:600}
.name-sub{color:var(--muted);font-size:12px}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600}
.b-on{background:rgba(51,201,137,.16);color:var(--ok)}
.b-off{background:rgba(85,98,111,.2);color:var(--off)}
.b-warn{background:rgba(255,180,84,.16);color:var(--warn)}
.b-err{background:rgba(255,93,93,.16);color:var(--err)}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--off)}
.dot.live{background:var(--ok);box-shadow:0 0 0 0 rgba(51,201,137,.6);animation:pulse 1.6s infinite}
.dot.warn{background:var(--warn)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(51,201,137,.5)}70%{box-shadow:0 0 0 7px rgba(51,201,137,0)}100%{box-shadow:0 0 0 0 rgba(51,201,137,0)}}

/* toggle */
.sw{position:relative;display:inline-block;width:42px;height:22px}
.sw input{display:none}
.sl{position:absolute;inset:0;background:var(--off);border-radius:22px;transition:.2s;cursor:pointer}
.sl:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;
  background:#fff;border-radius:50%;transition:.2s}
.sw input:checked+.sl{background:var(--accent)}
.sw input:checked+.sl:before{transform:translateX(20px)}

.icon-btn{background:none;border:0;color:var(--muted);cursor:pointer;font-size:13px;padding:2px 5px}
.icon-btn:hover{color:var(--accent)}

/* events */
.events{max-height:280px;overflow:auto;padding:6px 0;font-family:ui-monospace,Consolas,monospace;font-size:12.5px}
.ev{display:flex;gap:10px;padding:4px 16px}
.ev .t{color:var(--muted);white-space:nowrap}
.ev.l-ERROR .m{color:var(--err)}
.ev.l-WARN .m{color:var(--warn)}
.ev.l-INFO .m{color:var(--txt)}

/* modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;
  align-items:center;justify-content:center;z-index:20;padding:20px}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  width:680px;max-width:100%;max-height:86vh;overflow:auto;padding:22px;position:relative}
.modal-close{position:absolute;right:14px;top:10px;background:none;border:0;
  color:var(--muted);font-size:24px;cursor:pointer}
.modal h2{margin:0 0 12px}
.kv{display:grid;grid-template-columns:160px 1fr;gap:6px 12px;margin:10px 0}
.kv div:nth-child(odd){color:var(--muted)}
.field{display:flex;flex-direction:column;gap:5px;margin:8px 0}
.field input{padding:9px;border-radius:8px;border:1px solid var(--line);
  background:var(--panel2);color:var(--txt)}
.btn{padding:9px 14px;border:0;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer}
.btn.sec{background:var(--panel2);border:1px solid var(--line);color:var(--txt)}
.minigrid{width:100%;border-collapse:collapse;margin-top:6px}
.minigrid th,.minigrid td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;font-size:12.5px}

/* toast */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);
  background:var(--panel2);border:1px solid var(--line);padding:10px 18px;border-radius:10px;z-index:30}

@media(max-width:760px){.cards{grid-template-columns:repeat(2,1fr)}}

/* curves */
.curveblock{margin:8px 0;border:1px solid var(--line);border-radius:10px;padding:8px 10px;background:var(--panel2)}
.curvehead{display:flex;align-items:center;gap:8px;font-size:12.5px;margin-bottom:6px}
.curvehead .spacer{flex:1}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:16px;
  border:1px solid var(--line);background:#141a22;color:var(--muted);font-size:12px;cursor:pointer;user-select:none}
.chip.on{background:rgba(59,158,255,.14);border-color:rgba(59,158,255,.4);color:var(--txt)}
.chip.lock{cursor:default;opacity:.85}
.chip input{margin:0}

/* ----- controls (фильтры/вид) ----- */
.controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{background:var(--panel2);color:var(--muted);border:0;padding:6px 12px;font-size:12.5px;cursor:pointer}
.seg button+button{border-left:1px solid var(--line)}
.seg button.active{background:var(--accent);color:#fff}

/* ----- дерево ----- */
.tree{padding:8px 10px}
.lvl{margin:2px 0}
.lvl>summary{list-style:none;cursor:pointer;padding:6px 8px;border-radius:8px;display:flex;align-items:center;gap:8px;user-select:none}
.lvl>summary::-webkit-details-marker{display:none}
.lvl>summary::before{content:"▸";color:var(--muted);font-size:11px;transition:transform .12s;display:inline-block}
.lvl[open]>summary::before{transform:rotate(90deg)}
.lvl>summary:hover{background:#19212c}
.lvl-cust{border:1px solid var(--line);border-radius:10px;background:#141a22;margin:8px 0;padding:2px}
.lvl-cust>summary .ttl{font-weight:700;font-size:14px}
.lvl-field{margin-left:14px}
.lvl-field>summary .ttl{font-weight:600}
.lvl-pad{margin-left:26px}
.lvl-well{margin-left:38px}
.ttl{color:var(--txt)}
.cnt{color:var(--muted);font-size:12px}
.live-t{color:var(--ok)}
.field-line{display:flex;align-items:center;justify-content:space-between;gap:10px;flex:1;flex-wrap:wrap}
.assign{font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.assign input{padding:4px 8px;border-radius:7px;border:1px solid var(--line);background:var(--panel2);color:var(--txt);width:180px;font-size:12.5px}

/* лист дерева — станция */
.leaf{display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-left:52px;padding:6px 10px;border-radius:8px;cursor:pointer}
.leaf:hover{background:#19212c}
.leaf-name{font-size:13px}
.leaf-st{display:inline-flex;align-items:center;gap:8px}
.leaf-rows{color:var(--muted);font-size:12px;min-width:54px;text-align:right}

/* ----- вкладки ----- */
.tabs{display:flex;gap:4px}
.tabs button{background:transparent;border:0;color:var(--muted);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:13.5px}
.tabs button:hover{background:#19212c;color:var(--txt)}
.tabs button.active{background:var(--panel2);color:var(--txt);font-weight:600}
.tab{display:flex;flex-direction:column;gap:18px}

/* сортируемые заголовки таблицы */
.grid th[data-sort]{cursor:pointer;user-select:none;white-space:nowrap}
.grid th[data-sort]:hover{color:var(--txt)}
.grid th.sorted{color:var(--accent)}
.grid th[data-sort]::after{content:attr(data-arrow);font-size:10px;margin-left:4px}
td.nowrap,.nowrap{white-space:nowrap}

/* доп. контролы */
.mini-sel{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:7px;padding:5px 7px;font-size:12.5px}
.treesort-wrap{font-size:12px;color:var(--muted);display:inline-flex;align-items:center;gap:5px}
.events-full{max-height:none}

/* настройки */
.settings{padding:16px 18px;display:flex;flex-direction:column;gap:16px;max-width:680px}
.set-row{display:flex;flex-direction:column;gap:6px}
.set-row label{font-size:13px}
.set-row input{padding:9px 11px;border-radius:8px;border:1px solid var(--line);background:var(--panel2);color:var(--txt);width:160px;font-size:14px}
.set-row .muted{font-size:12px}
.set-actions{display:flex;align-items:center;gap:12px;margin-top:4px}

/* массовое включение */
.bulk{display:inline-flex;gap:6px}
.btn.sm{padding:6px 10px;font-size:12px;border-radius:7px}

/* таблица результатов теста Amirig */
table.bench { border-collapse: collapse; margin: 8px 0; font-size: 13px; }
table.bench th, table.bench td { border: 1px solid var(--line, #2a3550); padding: 4px 12px; text-align: left; }
table.bench th { background: rgba(255,255,255,.04); font-weight: 600; }

/* авто-режим передачи */
.toggle-lg { display:inline-flex; align-items:center; gap:8px; font-weight:600; cursor:pointer; }
.toggle-lg input { width:18px; height:18px; }
.auto-status { margin:6px 0 4px; }
.auto-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:10px; }
.auto-grid > div { background:rgba(255,255,255,.04); border:1px solid var(--line,#2a3550); border-radius:8px; padding:8px 12px; display:flex; flex-direction:column; gap:2px; }
.auto-grid .muted { font-size:12px; }
.auto-grid b { font-size:16px; }
.auto-warn { background:rgba(220,80,80,.15); border:1px solid #d05050; border-radius:8px; padding:8px 12px; margin-bottom:8px; font-size:13px; }

/* полоса прогресса передачи по логу */
tr.pbar-row > td { padding:2px 8px 12px !important; border-top:none !important; }
.pbar-wrap { width:100%; }
.pbar { position:relative; height:14px; width:100%; background:rgba(200,60,60,.20); border-radius:4px; overflow:hidden; cursor:crosshair; }
.pseg { position:absolute; top:0; bottom:0; }
.pseg.done { background:#3fb765; }
.pseg.pending { background:#d05050; }
.pbar-ends { display:flex; justify-content:space-between; font-size:11px; color:var(--muted,#8a97b3); margin-top:3px; }
.pbar-ends span:nth-child(2) { font-weight:600; }
.leg { display:inline-block; width:14px; height:9px; border-radius:2px; vertical-align:middle; margin:0 2px; }
.leg.done { background:#3fb765; }
.leg.pending { background:#d05050; }
.bar-tip { position:fixed; z-index:9999; transform:translateX(-50%); background:#0d1524; border:1px solid #2a3550; color:#dfe7f5; font-size:12px; padding:3px 8px; border-radius:6px; pointer-events:none; white-space:nowrap; }

/* удаление станции */
.danger-zone { margin-top:20px; padding-top:14px; border-top:1px solid var(--line,#2a3550); display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.btn.danger { background:#b03a3a; border-color:#c04a4a; color:#fff; }
.btn.danger:hover { background:#c04545; }