/* ============================================================
   Баяжуулагч — дизайны систем
   Загвар A: удирдлагын өрөөний (SCADA) хэв маяг
   ============================================================ */

/* --- Токен ------------------------------------------------ */
:root{
  --bg:#0E1620; --surf:#16212D; --surf2:#1C2A38; --surf3:#233243;
  --ink:#E4ECF2; --mute:#8497A8; --line:#263545;
  --l1:#3CC6D3; --l2:#F2A93B; --l3:#9B8CF0; --l4:#5FD3A0;
  --ok:#56C98B; --warn:#F2A93B; --bad:#F0654F;
  --r:10px; --r2:8px;
  --shadow:0 18px 44px -18px rgba(0,0,0,.72);
}
[data-theme="day"]{
  --bg:#E9EEF2; --surf:#FFFFFF; --surf2:#F3F6F8; --surf3:#E7EDF1;
  --ink:#142230; --mute:#5E6F7E; --line:#D3DCE3;
  /* --l1 нь #0B8190 байсан — ханамж нь босгоос бага зэрэг доогуур,
     цайвар дэвсгэр дээр саарал болж уншигдах эрсдэлтэй байсан тул засав */
  --l1:#0787A0; --l2:#B96C0B; --l3:#5B49C4; --l4:#1F8A63;
  --ok:#23834F; --warn:#B96C0B; --bad:#C23E28;
  --shadow:0 18px 44px -20px rgba(20,34,48,.28);
}

*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{
  font-family:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--ink);
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;
  transition:background .3s,color .3s;
}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--l1);outline-offset:2px}
::selection{background:color-mix(in srgb,var(--l1) 35%,transparent)}
a{color:var(--l1)}

/* --- Бүрхүүл ---------------------------------------------- */
.app{display:grid;grid-template-columns:76px 1fr;min-height:100vh}

.rail{
  background:var(--surf);border-right:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;
  padding:18px 0;gap:6px;position:sticky;top:0;height:100vh;z-index:5;
}
.logo{
  width:42px;height:42px;border-radius:10px;
  background:linear-gradient(145deg,#C9D3DC,#7D8C99);
  display:grid;place-items:center;
  font:700 16px 'IBM Plex Sans Condensed',sans-serif;color:#142230;margin-bottom:18px;
}
.rail button{
  width:56px;padding:9px 0 7px;border:0;background:none;border-radius:8px;
  color:var(--mute);display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:10px;line-height:1.2;text-align:center;
}
.rail button svg{width:21px;height:21px}
.rail button:hover{color:var(--ink)}
.rail button.on{background:var(--surf2);color:var(--ink)}
.rail button.on svg{color:var(--l1)}
.rail .sp{flex:1}

.main{padding:20px 24px 40px;min-width:0}

/* --- Толгой ----------------------------------------------- */
.top{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px}
.top h1{font:600 26px/1.1 'IBM Plex Sans Condensed',sans-serif;letter-spacing:-.01em}
.top .sub{color:var(--mute);font-size:13px;margin-top:3px}
.top .gap{flex:1}

.seg{display:inline-flex;background:var(--surf);border:1px solid var(--line);border-radius:8px;padding:3px}
.seg button{border:0;background:none;padding:7px 14px;border-radius:6px;font-size:13px;color:var(--mute);white-space:nowrap}
.seg button.on{background:var(--surf2);color:var(--ink);box-shadow:0 0 0 1px var(--line)}

.tbtn{
  width:38px;height:38px;border-radius:8px;border:1px solid var(--line);
  background:var(--surf);display:grid;place-items:center;flex-shrink:0;
}
.tbtn:hover{background:var(--surf2)}
.tbtn svg{width:18px;height:18px}

.live{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--mute)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 25%,transparent)}
.live.warn i{background:var(--warn);box-shadow:0 0 0 4px color-mix(in srgb,var(--warn) 25%,transparent)}

/* --- Тор, хуудас ------------------------------------------ */
.grid{display:grid;gap:14px;grid-template-columns:repeat(12,minmax(0,1fr))}
.card{background:var(--surf);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;min-width:0}
.card h2{font:600 15px 'IBM Plex Sans',sans-serif;margin-bottom:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.card h2 .hint{margin-left:auto;font-weight:400;font-size:12px;color:var(--mute)}
.s12{grid-column:span 12}.s8{grid-column:span 8}.s4{grid-column:span 4}
.s6{grid-column:span 6}.s3{grid-column:span 3}.s9{grid-column:span 9}

/* --- Товч ------------------------------------------------- */
.btn{
  border:1px solid var(--line);background:var(--surf2);color:var(--ink);
  padding:9px 16px;border-radius:var(--r2);font-size:13px;font-weight:500;
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
}
.btn:hover{background:var(--surf3)}
.btn svg{width:16px;height:16px}
.btn.pri{background:var(--l1);border-color:var(--l1);color:#08121A;font-weight:600}
.btn.pri:hover{filter:brightness(1.08)}
[data-theme="day"] .btn.pri{color:#fff}
.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,var(--line))}
.btn.danger:hover{background:color-mix(in srgb,var(--bad) 14%,var(--surf2))}
.btn.ghost{background:none}
.btn.ghost:hover{background:var(--surf2)}
.btn:disabled{opacity:.42;cursor:not-allowed}
.btn.sm{padding:6px 11px;font-size:12px}
.btn-row{display:flex;flex-wrap:wrap;gap:8px}

/* --- Маягт ------------------------------------------------ */
.form{display:grid;gap:14px}
.frow{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field > label{font-size:12px;color:var(--mute);font-weight:500}
.field .unit{color:var(--mute);font-weight:400}
.field input,.field select,.field textarea{
  background:var(--surf2);border:1px solid var(--line);border-radius:var(--r2);
  padding:9px 11px;font-size:14px;width:100%;transition:border-color .15s;
}
.field input:hover,.field select:hover{border-color:var(--surf3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--l1);outline:none}
.field textarea{resize:vertical;min-height:62px;font-family:inherit}
.field input[type=number]{-moz-appearance:textfield}
.field input::-webkit-outer-spin-button,.field input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.field .err{font-size:11px;color:var(--bad);min-height:0}
.field.bad input,.field.bad select{border-color:var(--bad)}
.field .calc{font-size:12px;color:var(--l1);font-weight:500}
fieldset{border:1px solid var(--line);border-radius:var(--r2);padding:14px;min-width:0}
legend{font-size:12px;color:var(--mute);padding:0 6px;font-weight:500}

/* --- Үзүүлэлт --------------------------------------------- */
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kpis.k3{grid-template-columns:repeat(3,1fr)}
.kpis.k4{grid-template-columns:repeat(4,1fr)}
.kpi{background:var(--surf2);border-radius:8px;padding:12px;min-width:0}
.kpi .l{font-size:12px;color:var(--mute)}
.kpi .v{font:600 26px/1.15 'IBM Plex Sans Condensed',sans-serif;margin-top:4px}
.kpi .v small{font:400 12px 'IBM Plex Sans',sans-serif;color:var(--mute);margin-left:3px}
.kpi .d{font-size:12px;margin-top:3px;color:var(--mute)}
.up{color:var(--ok)}.dn{color:var(--bad)}
.tag{display:inline-block;width:10px;height:10px;border-radius:3px;flex-shrink:0}

.pill{
  display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:500;
  padding:3px 9px;border-radius:99px;background:var(--surf2);color:var(--mute);
  border:1px solid var(--line);white-space:nowrap;
}
.pill.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 38%,transparent);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.pill.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 38%,transparent);background:color-mix(in srgb,var(--warn) 12%,transparent)}
.pill.bad{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 38%,transparent);background:color-mix(in srgb,var(--bad) 12%,transparent)}

/* --- Схем ------------------------------------------------- */
.flow{width:100%;height:auto;display:block}
.flow text{font-family:'IBM Plex Sans',sans-serif}
.pipe{fill:none;stroke-width:3;stroke-linecap:round;stroke-dasharray:9 7;animation:run 1.3s linear infinite}
@keyframes run{to{stroke-dashoffset:-16}}
.eq{fill:var(--surf2);stroke:var(--line);stroke-width:1.5}

/* --- Цагийн дээж ------------------------------------------ */
.slots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.slot{border:1px solid var(--line);border-radius:8px;padding:12px;position:relative;min-width:0}
.slot.now{border-color:var(--l1)}
.slot .t{font:600 18px 'IBM Plex Sans Condensed',sans-serif;display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.slot .t span{font:400 12px 'IBM Plex Sans',sans-serif;color:var(--mute)}
.slot .t .pend{color:var(--l1)}
.pl{display:grid;grid-template-columns:14px 1fr auto;gap:6px;align-items:center;font-size:13px;margin-top:8px}
.pl b{font-weight:600}
.pl .m{color:var(--mute);font-size:12px;grid-column:2/4}
.slot.empty .pl{opacity:.45}
.slot .add{position:absolute;inset:auto 10px 10px auto}

/* --- Тээрэм ----------------------------------------------- */
.mill{display:flex;gap:14px;align-items:center;margin-bottom:12px}
.mill:last-child{margin-bottom:0}
.gauge{width:84px;flex-shrink:0}
.mill .n{font-size:13px;color:var(--mute)}
.mill .v{font:600 22px 'IBM Plex Sans Condensed',sans-serif}
.bar{height:6px;border-radius:3px;background:var(--surf2);margin-top:6px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:3px}

/* --- Хүснэгт ---------------------------------------------- */
table{width:100%;border-collapse:collapse;font-size:13px}
th{color:var(--mute);font-weight:500;text-align:right;padding:7px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:8px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{text-align:left}
th.l,td.l{text-align:left}
tbody tr:hover{background:var(--surf2)}
tr.sum td{font-weight:600;border-bottom:0;border-top:1px solid var(--line)}
tbody tr.sum:hover{background:none}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
td .act{display:inline-flex;gap:4px}
td .act button{
  border:1px solid var(--line);background:none;border-radius:6px;
  width:28px;height:28px;display:grid;place-items:center;color:var(--mute);
}
td .act button:hover{color:var(--ink);background:var(--surf2)}
td .act button.del:hover{color:var(--bad);border-color:var(--bad)}
td .act svg{width:15px;height:15px}

.stack{display:flex;height:14px;border-radius:4px;overflow:hidden;margin:6px 0 10px;background:var(--surf2)}
.stack i{display:block}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12px;color:var(--mute)}
.legend span{display:inline-flex;align-items:center;gap:6px}

/* --- График ----------------------------------------------- */
.chart-wrap{position:relative}
.chart{width:100%;height:auto;display:block;overflow:visible}
.chart .hit{cursor:crosshair}
.chart-wrap .tip{
  position:absolute;pointer-events:none;z-index:3;
  background:var(--surf);border:1px solid var(--line);border-radius:var(--r2);
  box-shadow:var(--shadow);padding:9px 12px;font-size:12px;
  display:flex;flex-direction:column;gap:3px;white-space:nowrap;
}
/* display:flex нь [hidden]-ийг дардаг тул тусад нь нуух хэрэгтэй */
.chart-wrap .tip[hidden]{display:none}
.chart-wrap .tip b{font-weight:600}
.chart-wrap .tip > b:first-child{margin-bottom:3px;color:var(--ink)}
.chart-wrap .tip span{color:var(--mute);display:flex;align-items:center;gap:5px}
.chart-wrap .tip span b{color:var(--ink);margin-left:auto;padding-left:10px}

/* --- Хоосон төлөв ----------------------------------------- */
.empty{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:34px 18px;color:var(--mute);text-align:center;
}
.empty svg{width:38px;height:38px;opacity:.45}
.empty p{font-size:13px;max-width:34ch;line-height:1.5}

/* --- Цонх ------------------------------------------------- */
.scrim{
  position:fixed;inset:0;background:rgba(6,11,17,.66);backdrop-filter:blur(3px);
  display:grid;place-items:center;padding:20px;z-index:40;
  animation:fade .16s ease-out;
}
@keyframes fade{from{opacity:0}}
.modal{
  background:var(--surf);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);width:min(620px,100%);max-height:calc(100vh - 40px);
  display:flex;flex-direction:column;animation:pop .18s cubic-bezier(.2,.8,.3,1);
}
.modal.wide{width:min(860px,100%)}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.985)}}
.modal header{
  display:flex;align-items:center;gap:12px;padding:15px 18px;border-bottom:1px solid var(--line);
}
.modal header h3{font:600 16px 'IBM Plex Sans',sans-serif;flex:1}
.modal .body{padding:18px;overflow-y:auto;flex:1}
.modal footer{
  display:flex;gap:8px;justify-content:flex-end;padding:13px 18px;
  border-top:1px solid var(--line);flex-wrap:wrap;
}
.modal footer .gap{flex:1}

/* --- Мэдэгдэл --------------------------------------------- */
.toasts{position:fixed;inset:auto 18px 18px auto;display:flex;flex-direction:column;gap:8px;z-index:60}
.toast{
  background:var(--surf);border:1px solid var(--line);border-left:3px solid var(--l1);
  border-radius:var(--r2);padding:11px 15px;font-size:13px;box-shadow:var(--shadow);
  max-width:330px;animation:slide .2s cubic-bezier(.2,.8,.3,1);
}
@keyframes slide{from{opacity:0;transform:translateX(16px)}}
.toast.ok{border-left-color:var(--ok)}
.toast.bad{border-left-color:var(--bad)}
.toast b{display:block;font-weight:600;margin-bottom:2px}
.toast span{color:var(--mute)}

/* --- Шүүлтүүрийн мөр ------------------------------------- */
.filters{
  display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;
  background:var(--surf);border:1px solid var(--line);border-radius:var(--r);
  padding:12px 16px;margin-bottom:14px;
}
.filters .field{flex:0 1 160px}
.filters .gap{flex:1 1 auto}

/* --- Доод цэс (утас) -------------------------------------- */
.bnav{display:none}

/* --- Нэвтрэх хаалга --------------------------------------- */
.gate{
  position:fixed;inset:0;z-index:100;background:var(--bg);
  display:grid;place-items:center;padding:24px 16px;overflow-y:auto;
}
.gate-card{
  width:min(420px,100%);background:var(--surf);border:1px solid var(--line);
  border-radius:14px;padding:28px 26px;box-shadow:var(--shadow);
}
.gate-logo{
  width:52px;height:52px;border-radius:13px;margin:0 auto 16px;
  background:linear-gradient(145deg,#C9D3DC,#7D8C99);display:grid;place-items:center;
  font:700 19px 'IBM Plex Sans Condensed',sans-serif;color:#142230;
}
.gate h1{font:600 21px/1.25 'IBM Plex Sans Condensed',sans-serif;text-align:center}
.gate .lead{
  text-align:center;color:var(--mute);font-size:13px;line-height:1.55;
  margin-top:6px;margin-bottom:20px;
}
.gate .form{gap:12px}
.gate .btn{width:100%;justify-content:center;padding:11px 16px}
.gate .sep{
  display:flex;align-items:center;gap:12px;color:var(--mute);
  font-size:12px;margin:18px 0;
}
.gate .sep::before,.gate .sep::after{content:'';flex:1;height:1px;background:var(--line)}
.gate .foot{
  margin-top:18px;text-align:center;font-size:12px;color:var(--mute);line-height:1.7;
}
.gate .foot button{
  background:none;border:0;color:var(--l1);font-size:12px;padding:0;text-decoration:underline;
}
.gate .msg{
  border-radius:var(--r2);padding:11px 13px;font-size:13px;line-height:1.55;margin-bottom:16px;
}
.gate .msg.bad{
  background:color-mix(in srgb,var(--bad) 13%,transparent);
  border:1px solid color-mix(in srgb,var(--bad) 40%,transparent);color:var(--bad);
}
.gate .msg.ok{
  background:color-mix(in srgb,var(--ok) 13%,transparent);
  border:1px solid color-mix(in srgb,var(--ok) 40%,transparent);color:var(--ok);
}
.gate .msg.info{background:var(--surf2);border:1px solid var(--line);color:var(--mute)}
.gate .who{
  display:flex;align-items:center;gap:10px;background:var(--surf2);
  border-radius:var(--r2);padding:10px 12px;margin-bottom:16px;font-size:13px;
}
.gate .who .av{
  width:32px;height:32px;border-radius:50%;background:var(--surf3);flex-shrink:0;
  display:grid;place-items:center;font-weight:600;font-size:13px;color:var(--mute);
}
.gate .who b{display:block;font-weight:600}
.gate .who span{color:var(--mute);font-size:12px}
.gsvg{width:17px;height:17px;flex-shrink:0}

/* --- Хэрэглэгчийн товч (толгойд) --------------------------- */
.me{
  display:inline-flex;align-items:center;gap:8px;background:var(--surf);
  border:1px solid var(--line);border-radius:99px;padding:4px 12px 4px 4px;font-size:13px;
}
.me .av{
  width:28px;height:28px;border-radius:50%;background:var(--surf3);
  display:grid;place-items:center;font-weight:600;font-size:12px;color:var(--mute);
}
.me .nm{display:flex;flex-direction:column;line-height:1.25;text-align:left}
.me .nm b{font-weight:600;font-size:12px}
.me .nm span{color:var(--mute);font-size:11px}
@media (max-width:760px){ .me .nm{display:none} .me{padding:4px} }

/* Зөвхөн харах эрхтэй үед далдлах */
.ro-hide{display:none!important}

/* --- Ачаалалт --------------------------------------------- */
.skel{background:var(--surf2);border-radius:6px;animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.5}}

/* --- Таблет ----------------------------------------------- */
@media (max-width:1180px){
  .s8,.s4,.s9,.s3{grid-column:span 12}
  .s6{grid-column:span 6}
}
/* --- Утас босоо ------------------------------------------- */
@media (max-width:760px){
  .app{grid-template-columns:1fr}
  .rail{display:none}
  .main{padding:14px 14px 96px}
  .top h1{font-size:22px}
  .top .gap{display:none}
  .s6{grid-column:span 12}
  .slots{grid-template-columns:1fr}
  .kpis.k3,.kpis.k4{grid-template-columns:1fr 1fr}
  .flow-wrap{overflow-x:auto;margin:0 -6px}.flow{min-width:620px}
  .scrim{padding:0;place-items:end stretch}
  .modal{width:100%;max-height:92vh;border-radius:14px 14px 0 0;animation:up .22s cubic-bezier(.2,.8,.3,1)}
  @keyframes up{from{transform:translateY(24px);opacity:0}}
  .modal footer{padding-bottom:calc(13px + env(safe-area-inset-bottom))}
  .modal footer .btn{flex:1;justify-content:center}
  .toasts{inset:auto 12px calc(76px + env(safe-area-inset-bottom)) 12px}
  .toast{max-width:none}
  .filters .field{flex:1 1 130px}
  .bnav{
    display:flex;position:fixed;inset:auto 0 0 0;background:var(--surf);
    border-top:1px solid var(--line);padding:6px 4px calc(8px + env(safe-area-inset-bottom));z-index:9;
  }
  .bnav button{
    flex:1;border:0;background:none;color:var(--mute);
    display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;padding:4px 0;
  }
  .bnav button svg{width:22px;height:22px}
  .bnav button.on{color:var(--l1)}
}
/* --- Утас хэвтээ ------------------------------------------ */
@media (orientation:landscape) and (max-height:520px){
  .app{grid-template-columns:64px 1fr}
  .rail{display:flex;padding:10px 0}
  .logo{display:none}
  .rail button{width:48px;font-size:0;gap:0}
  .bnav{display:none}
  .main{padding:10px 14px 20px}
  .s4,.s6,.s3{grid-column:span 6}.s8,.s9{grid-column:span 12}
  .slots{grid-template-columns:repeat(3,1fr)}
  .flow{min-width:0}
  .scrim{place-items:center;padding:12px}
  .modal{border-radius:var(--r);max-height:calc(100vh - 24px)}
}
@media (prefers-reduced-motion:reduce){
  .pipe{animation:none}
  *{transition:none!important;animation-duration:.01ms!important}
}

/* --- Хэвлэх ----------------------------------------------- */
@media print{
  body{background:#fff;color:#000}
  .rail,.bnav,.top .seg,.tbtn,.filters,.btn,.toasts{display:none!important}
  .app{display:block}
  .main{padding:0}
  .card{break-inside:avoid;border:1px solid #bbb;box-shadow:none}
  .grid{display:block}
  .card{margin-bottom:12px}
}