:root{
  --ink:#0f1b1a;--ink2:#182826;--ink-text:#c9d9d5;
  --bg:#eef2f0;--card:#fff;--text:#13211f;--muted:#64766f;--line:#dbe4e0;--soft:#f5f8f6;
  --signal:#17b26a;--signal-bg:#dcf5e8;--amber:#e8920c;--amber-bg:#fdecc9;--red:#d93f45;--red-bg:#fbe1e2;--mute-bg:#e6ece9;
  --brand:#0e6b5c;--brand-ink:#fff;
  --shadow:0 1px 2px rgba(15,27,26,.06),0 8px 20px -12px rgba(15,27,26,.18);
}
[data-theme=dark]{
  --bg:#0a1211;--card:#121f1d;--text:#e4efeb;--muted:#8da39c;--line:#223633;--soft:#0e1917;
  --signal-bg:#0f3526;--amber-bg:#3b2a0a;--red-bg:#3d1618;--mute-bg:#1b2b28;
  --brand:#2bd09a;--brand-ink:#04251c;--shadow:0 1px 2px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Vazirmatn',Tahoma,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:14.5px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.ic{width:20px;height:20px;flex:none}
.mono{font-family:ui-monospace,Consolas,monospace;direction:ltr;unicode-bidi:plaintext;font-size:13px}
.grow{flex:1;min-width:0}
.sub{color:var(--muted);font-size:12.5px}

/* ── ساختار ── */
.side{position:fixed;inset:0 0 0 auto;width:236px;background:var(--ink);color:var(--ink-text);padding:22px 14px;display:flex;flex-direction:column;gap:4px;z-index:20}
.brand{display:flex;align-items:center;gap:10px;padding:4px 10px 22px;color:#fff;font-weight:800;font-size:18px}
.brand .led{width:14px;height:14px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 4px rgba(23,178,106,.25),0 0 14px 2px rgba(23,178,106,.7)}
.nav{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--ink-text);transition:background .15s}
.nav:hover{background:var(--ink2)}
.nav.on{background:var(--ink2);color:#fff;box-shadow:inset -3px 0 0 var(--signal)}
.side-f{margin-top:auto;display:flex;gap:6px;padding:0 6px}
.side-f .icon-btn{color:var(--ink-text);background:var(--ink2);border-color:transparent}
.app{margin-right:236px;min-height:100vh}
.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 28px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top h1{margin:0;font-size:20px;font-weight:800}
#clock{color:var(--muted);font-size:13px}
.top .icon-btn.only-m{display:none}
main{padding:24px 28px 40px;max-width:1280px}

/* ── اجزاء ── */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.card-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px}
.card-h h3,.sec-h h2{margin:0;font-size:15.5px;font-weight:700}
.sec-h{display:flex;align-items:center;justify-content:space-between;margin:28px 0 12px}
.link{background:none;border:0;color:var(--brand);cursor:pointer;padding:0;font-size:13px;font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:var(--card);cursor:pointer;font-weight:600;transition:transform .1s,background .15s}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.btn.danger{background:var(--red);color:#fff;border-color:var(--red)}
.btn.ghost:hover{background:var(--soft)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.icon-btn{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:var(--card);cursor:pointer}
.icon-btn:hover{background:var(--soft)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 11px;border-radius:99px;font-size:12.5px;font-weight:600;white-space:nowrap}
.badge i{width:8px;height:8px;border-radius:50%;background:currentColor}
.badge.ok{background:var(--signal-bg);color:var(--signal)}
.badge.warn{background:var(--amber-bg);color:var(--amber)}
.badge.off,.badge.bad{background:var(--red-bg);color:var(--red)}
.badge.mute{background:var(--mute-bg);color:var(--muted)}
.badge.warn i{animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}
.empty{text-align:center;color:var(--muted);padding:40px 16px;border:1px dashed var(--line);border-radius:14px;background:var(--soft)}
.empty .btn{margin-top:12px}

/* ── آمار ── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.stat{display:flex;align-items:center;gap:14px}
.stat-ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--mute-bg);color:var(--brand)}
.stat-ic.ok{background:var(--signal-bg);color:var(--signal)}
.stat-v{font-size:22px;font-weight:800;line-height:1.3}
.stat-l{color:var(--muted);font-size:12.5px}
.stat-s{color:var(--muted);font-size:12px}
.grid2{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-top:14px}
.bars{display:flex;align-items:flex-end;gap:10px;height:190px;padding-top:6px}
.bar{flex:1;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;min-width:0}
.bar .v{font-size:11.5px;color:var(--muted)}
.bar i{display:block;width:100%;max-width:44px;border-radius:7px 7px 3px 3px;background:var(--brand);opacity:.85;min-height:4px}
.bar b{font-size:12px;font-weight:500;color:var(--muted)}
.bar:last-child i{opacity:1}

/* ── کارت سیستم: LED نمایشگر وضعیت ── */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px}
.pc,.dev{display:flex;flex-direction:column;gap:14px}
.pc-top{display:flex;align-items:center;gap:12px}
.pc-top h3{margin:0;font-size:16px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pc-ic{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--line);color:var(--muted);background:var(--soft);flex:none}
.pc-ic.ok{border-color:var(--signal);color:var(--signal);background:var(--signal-bg);box-shadow:0 0 0 4px color-mix(in srgb,var(--signal) 18%,transparent),0 0 16px color-mix(in srgb,var(--signal) 55%,transparent)}
.pc-ic.warn{border-color:var(--amber);color:var(--amber);background:var(--amber-bg);animation:blink 1.1s infinite}
.pc-ic.off{border-color:var(--red);color:var(--red);background:var(--red-bg)}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;margin:0}
.kv dt{color:var(--muted);font-size:12px}
.kv dd{margin:0;font-weight:600;overflow:hidden;text-overflow:ellipsis}
.pc-act{display:flex;gap:8px;margin-top:auto}
.pc-act .primary{flex:1}
.note{display:flex;align-items:center;gap:8px;background:var(--amber-bg);color:var(--amber);padding:6px 12px;border-radius:9px;font-size:12.5px}
.note .ic{width:16px;height:16px}
.key{display:flex;align-items:center;gap:6px;background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:4px 4px 4px 10px}
.key code{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.key .icon-btn{width:30px;height:30px}
.tools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.tools input{flex:1;min-width:180px}

/* ── فرم‌ها ── */
input,select,textarea{width:100%;padding:9px 12px;border-radius:10px;border:1px solid var(--line);background:var(--card);transition:border-color .15s}
input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:none}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--brand)}
.fg{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fg .full{grid-column:1/-1}
label.f{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px;font-weight:500}
.chk{display:flex;align-items:center;gap:8px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.radio{display:flex;gap:10px;margin-bottom:12px}
.radio label{flex:1;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer}
.radio label:has(input:checked){border-color:var(--brand);background:var(--soft)}
.radio input{width:auto}

/* ── مودال ── */
.modal{position:fixed;inset:0;background:rgba(5,12,11,.55);display:grid;place-items:center;z-index:50;padding:16px}
.sheet{background:var(--card);border-radius:16px;width:100%;max-width:560px;max-height:92vh;display:flex;flex-direction:column;box-shadow:0 24px 60px rgba(0,0,0,.35);animation:rise .18s ease-out}
@keyframes rise{from{transform:translateY(16px);opacity:0}}
.sheet-h{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.sheet-h h3{margin:0;font-size:16px}
.sheet-b{padding:20px;overflow:auto}
.sheet-f{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-start}
.mini{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.mini div{background:var(--soft);border-radius:10px;padding:10px;text-align:center}
.mini b{display:block;font-size:15px}
.mini span{font-size:12px;color:var(--muted)}

/* ── جدول و تب ── */
.tabs{display:flex;gap:6px;margin-bottom:14px;background:var(--mute-bg);padding:4px;border-radius:11px;width:fit-content}
.tabs button{border:0;background:none;padding:7px 18px;border-radius:8px;cursor:pointer;font-weight:600;color:var(--muted)}
.tabs button.on{background:var(--card);color:var(--text);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse}
th{text-align:right;color:var(--muted);font-weight:500;font-size:12.5px;padding:8px 12px;border-bottom:1px solid var(--line)}
td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
.clist{display:flex;flex-direction:column}
.clist .row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.clist .row:last-child{border-bottom:0}

/* ── اعلان ── */
#toasts{position:fixed;left:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:60}
.toast{background:var(--ink);color:#fff;padding:11px 16px;border-radius:11px;box-shadow:0 8px 24px rgba(0,0,0,.3);border-right:4px solid var(--signal);animation:rise .2s ease-out;max-width:320px}
.toast.warn{border-color:var(--amber)}.toast.bad{border-color:var(--red)}

/* ── ورود ── */
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:var(--ink)}
.login .card{width:100%;max-width:380px;padding:30px;display:flex;flex-direction:column;gap:14px}
.login .brand{color:var(--text);padding:0 0 4px;justify-content:center}
.err{color:var(--red);font-size:13px;min-height:20px;text-align:center}

/* ── موبایل ── */
@media (max-width:900px){
  .side{inset:auto 0 0 0;width:auto;height:64px;flex-direction:row;padding:6px 8px;gap:2px;border-top:1px solid var(--ink2)}
  .brand,.side-f{display:none}
  .nav{flex:1;flex-direction:column;gap:0;justify-content:center;font-size:11px;padding:4px;text-align:center;line-height:1.4}
  .nav.on{box-shadow:inset 0 3px 0 var(--signal)}
  .app{margin-right:0;padding-bottom:76px}
  .top{padding:12px 16px}.top .icon-btn.only-m{display:inline-grid}#clock{display:none}
  main{padding:16px}
  .grid2{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}.stat{flex-direction:column;align-items:flex-start;gap:8px}
  .modal{align-items:end;padding:0}
  .sheet{max-width:none;border-radius:18px 18px 0 0;max-height:94vh}
  .fg{grid-template-columns:1fr}
  #toasts{bottom:80px;right:16px}
  table.rt thead{display:none}
  table.rt,table.rt tbody,table.rt tr,table.rt td{display:block}
  table.rt tr{padding:10px 0;border-bottom:1px solid var(--line)}
  table.rt td{border:0;padding:3px 0;display:flex;justify-content:space-between;gap:12px}
  table.rt td::before{content:attr(data-l);color:var(--muted);font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}