/* Klaster wirtualizacji 3D – wspólne style strony (index.php) i podglądu w panelu (admin).
   Uwaga: w elementach wewnątrz .cl-scene nie używamy opacity/overflow/filter na kontenerach,
   bo spłaszczają one scenę 3D (transform-style: preserve-3d). */

.cl3d{--rx:0deg;--ry:0deg;--dp:44px;--off:#ff6b6b;position:relative;container:cl/inline-size;user-select:none;-webkit-user-select:none}
.cl-hud{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:.35rem;align-items:center}
.chip{display:inline-flex;align-items:center;gap:.35rem;font-size:.76rem;line-height:1.2;padding:.2rem .6rem;border-radius:99px;background:rgba(255,255,255,.05);border:1px solid var(--edge);color:var(--muted);white-space:nowrap}
.chip b{color:var(--ink);font-weight:600}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 8px var(--mint)}
.chip.warn i{background:#ffb347;box-shadow:0 0 8px #ffb347}
.chip.bad{border-color:rgba(255,107,107,.5)}.chip.bad b{color:var(--off)}

/* animowane tło (canvas rysowany w cluster.js), wygaszone przy krawędziach */
.cl-bg{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none;
  -webkit-mask:radial-gradient(ellipse 95% 90% at 50% 50%,#000 62%,transparent);mask:radial-gradient(ellipse 95% 90% at 50% 50%,#000 62%,transparent)}

/* scena w stałym widoku z przodu (bez obracania) */
.cl-stage{position:relative;z-index:1;perspective:1100px;perspective-origin:50% 20%;padding:2.6rem 2.2rem 3.4rem;margin:0 -.4rem;overflow:clip;overflow-clip-margin:2rem}
.cl-scene{position:relative;transform-style:preserve-3d;transform:rotateX(var(--rx)) rotateY(var(--ry))}
.cl-racks{position:relative;display:flex;flex-wrap:wrap;justify-content:center;gap:1.4rem 1.1rem;transform-style:preserve-3d}
.cl-empty{display:block;padding:2rem 0;color:var(--muted);text-align:center}
.cl-hint{position:absolute;left:0;right:0;bottom:.5rem;margin:0;text-align:center;font-size:.72rem;color:var(--muted);opacity:.7;pointer-events:none}

/* podłoga: siatka serwerowni i szyna sieciowa z pakietami */
.cl-floor{position:absolute;left:-18%;right:-18%;top:100%;height:360px;transform-origin:top;transform:translateZ(150px) rotateX(90deg);pointer-events:none;
  background:linear-gradient(rgba(76,201,240,.28) 1px,transparent 1px) 0 0/30px 30px,linear-gradient(90deg,rgba(76,201,240,.28) 1px,transparent 1px) 0 0/30px 30px,radial-gradient(closest-side,rgba(123,92,255,.28),transparent);
  -webkit-mask:radial-gradient(closest-side,#000 35%,transparent);mask:radial-gradient(closest-side,#000 35%,transparent)}
.cl-floor i{position:absolute;left:12%;right:12%;top:calc(150px + var(--dp) * .5);height:4px;border-radius:4px;
  background:repeating-linear-gradient(90deg,rgba(76,201,240,.25) 0 26px,var(--cyan) 26px 34px) 0 0/68px 100%;box-shadow:0 0 14px rgba(76,201,240,.6);animation:bus 2.4s linear infinite}
.cl3d.busy .cl-floor i{animation-duration:.5s;background-image:repeating-linear-gradient(90deg,rgba(123,92,255,.4) 0 18px,#fff 18px 30px);box-shadow:0 0 22px var(--cyan)}
@keyframes bus{to{background-position:68px 0}}

/* szafa rack = prostopadłościan: front + góra + boki + tył */
.rack{--st:var(--mint);position:relative;flex:1 1 0;min-width:112px;max-width:200px;transform-style:preserve-3d;transition:transform .35s}
.rack.hot{--st:#ffb347}
.rack.down{--st:var(--off)}
.rk-f{position:absolute;display:block;pointer-events:none;background:linear-gradient(180deg,#1b2445,#0c1124);border:1px solid rgba(140,170,255,.14)}
.rk-t{left:0;right:0;top:0;height:var(--dp);transform-origin:top;transform:rotateX(-90deg);background:linear-gradient(180deg,#26325e,#161e3c)}
.rk-t::after{content:'';position:absolute;left:12%;right:12%;top:40%;height:3px;border-radius:3px;background:var(--st);box-shadow:0 0 12px var(--st)}
.rk-l,.rk-r{top:0;bottom:0;width:var(--dp);transform-origin:left;transform:rotateY(90deg);
  background:repeating-linear-gradient(180deg,transparent 0 5px,rgba(0,0,0,.4) 5px 7px) 50% 30%/60% 40% no-repeat,linear-gradient(90deg,#1a2244,#0b1022)}
.rk-l{left:0}
.rk-r{left:100%}
.rk-b{inset:0;transform:translateZ(calc(var(--dp) * -1));background:#080c19}
.rk-glow{position:absolute;left:-18%;right:-18%;bottom:0;height:calc(var(--dp) + 60px);transform-origin:bottom;transform:translateZ(30px) rotateX(90deg);pointer-events:none;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--st) 45%,transparent),transparent)}

/* front szafy: stalowa rama, przeszklone drzwi, daszek wentylacyjny, uchwyt i cokół */
.rk-front{position:relative;display:flex;flex-direction:column;gap:.45rem;height:100%;padding:0 .75rem 0 .6rem;border-radius:7px 7px 3px 3px;transform-style:preserve-3d;
  background:linear-gradient(180deg,#1f2950,#0f1532 60%,#0c1129);border:1px solid rgba(150,180,255,.24);
  box-shadow:inset 0 0 0 3px #0a0f22,inset 0 0 0 4px rgba(150,180,255,.09),0 22px 30px -12px rgba(0,0,0,.7);transition:border-color .25s,box-shadow .25s,background .4s}
.rk-front::before{content:'';position:absolute;inset:18px 4px 22px;border-radius:3px;pointer-events:none;
  background:linear-gradient(112deg,transparent 28%,rgba(255,255,255,.05) 36%,transparent 46%,transparent 68%,rgba(255,255,255,.035) 74%,transparent 79%)}
.rk-roof{position:relative;display:block;flex:none;height:14px;margin:0 -.75rem 0 -.6rem;border-radius:6px 6px 0 0;border-bottom:1px solid rgba(0,0,0,.6);
  background:radial-gradient(circle,rgba(0,0,0,.6) 1.1px,transparent 1.6px) 50% 60%/6px 5px,linear-gradient(180deg,#2c3868,#19213f)}
.rk-roof::before{content:'';position:absolute;left:12px;right:12px;top:-1px;height:2px;border-radius:2px;background:var(--st);box-shadow:0 0 10px var(--st),0 0 18px var(--st)}
.rk-handle{position:absolute;right:3px;top:44%;width:4px;height:48px;border-radius:3px;pointer-events:none;
  background:linear-gradient(90deg,#55639a,#222b52);box-shadow:0 0 0 1px rgba(0,0,0,.55),0 0 6px rgba(76,201,240,.15)}
.rk-plinth{position:relative;display:block;flex:none;height:20px;margin:.05rem -.75rem 0 -.6rem;border-top:1px solid rgba(150,180,255,.12);border-radius:0 0 3px 3px;
  background:repeating-linear-gradient(90deg,rgba(0,0,0,.6) 0 3px,rgba(255,255,255,.04) 3px 4px,transparent 4px 6px) 50% 50%/64% 7px no-repeat,linear-gradient(180deg,#161d3b,#080c1b)}
.rk-plinth::before,.rk-plinth::after{content:'';position:absolute;bottom:-6px;width:16px;height:6px;border-radius:0 0 3px 3px;background:linear-gradient(#141a33,#05070f)}
.rk-plinth::before{left:8px}.rk-plinth::after{right:8px}
/* wyświetlacz LCD z nazwą węzła */
.rk-head{display:flex;align-items:center;gap:.35rem;min-width:0;container:rk/inline-size;padding:.22rem .3rem .22rem .4rem;border-radius:4px;
  background:#050912;border:1px solid rgba(76,201,240,.22);box-shadow:inset 0 0 14px color-mix(in srgb,var(--st) 12%,transparent)}
.rk-head strong{font:600 .8rem/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;
  color:color-mix(in srgb,var(--st) 65%,#fff);text-shadow:0 0 6px color-mix(in srgb,var(--st) 70%,transparent)}
.rk-head .dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--st);box-shadow:0 0 8px var(--st);animation:pulse 2s ease-in-out infinite}
.pwr{flex:none;margin-left:auto;display:inline-flex;align-items:center;gap:.2rem;background:rgba(0,0,0,.25);border:1px solid var(--edge);color:var(--muted);border-radius:6px;font-size:.68rem;padding:.08rem .4rem;transition:color .2s,border-color .2s,background .2s}
.pwr::before{content:'⏻';font-size:.8rem;line-height:1}
.pwr:hover{color:#fff;border-color:var(--off);background:rgba(255,107,107,.18)}
.rack.down .pwr{color:var(--mint);border-color:rgba(61,220,151,.5)}
.rack.down .pwr:hover{background:rgba(61,220,151,.15)}

/* wskaźniki obciążenia w formie diod LED */
.bar{display:grid;grid-template-columns:1.9rem 1fr 2.3rem;gap:.35rem;align-items:center;font-size:.7rem;color:var(--muted);font-variant-numeric:tabular-nums}
.bar span:last-child{text-align:right}
.bar i{display:block;height:7px;border-radius:2px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.1) 0 4px,transparent 4px 6px)}
.bar u{display:block;height:100%;background:linear-gradient(90deg,var(--violet),var(--cyan));transition:width .6s cubic-bezier(.3,.7,.3,1);
  -webkit-mask:repeating-linear-gradient(90deg,#000 0 4px,transparent 4px 6px);mask:repeating-linear-gradient(90deg,#000 0 4px,transparent 4px 6px);filter:drop-shadow(0 0 3px rgba(76,201,240,.6))}
.bar u.hi{background:linear-gradient(90deg,#ffb347,#ff6b6b);filter:drop-shadow(0 0 3px rgba(255,107,107,.7))}

/* wnętrze szafy z szynami montażowymi (otwory co 1U); maszyny = serwery 1U przykręcone do szyn */
.vms{position:relative;flex:1;container:bay/inline-size;display:flex;flex-direction:column;gap:.3rem;min-height:150px;padding:.35rem 11px;margin:0 -.2rem;border-radius:3px;transform-style:preserve-3d;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.018) 0 1px,transparent 1px 9px),#060a17;box-shadow:inset 0 0 18px rgba(0,0,0,.8)}
.vms::before,.vms::after{content:'';position:absolute;top:0;bottom:0;width:8px;pointer-events:none;
  background:linear-gradient(90deg,#2b3561 0 2px,transparent 2px 6px,#2b3561 6px),repeating-linear-gradient(180deg,#2b3561 0 3px,#03050c 3px 6px)}
.vms::before{left:1px}.vms::after{right:1px}
.vms em{color:var(--muted);font-size:.8rem;padding:.2rem}
.vms .rk-off{margin:auto;color:var(--off);font-weight:600;letter-spacing:.03em;text-align:center}
.vm{--h:210;position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:.4rem;align-items:center;width:calc(100% + 8px);margin:0 -4px;text-align:left;
  padding:.28rem 2.1rem .28rem .5rem;border-radius:3px;color:var(--ink);line-height:1.2;cursor:grab;
  background:radial-gradient(circle at calc(100% - 5px) 50%,#9aa6d0 1.3px,#3a4470 1.9px,transparent 2.4px),linear-gradient(180deg,hsl(var(--h) 55% 30% / .97),hsl(var(--h) 50% 15% / .98));border:1px solid hsl(var(--h) 80% 70% / .38);
  box-shadow:0 3px 0 -1px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.12);
  transform:translateZ(5px);transition:transform .3s cubic-bezier(.3,.7,.3,1.4),box-shadow .25s,border-color .2s}
.vm::before{content:'';position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:0 2px 2px 0;background:hsl(var(--h) 85% 65%)}
.vm::after{content:'';position:absolute;right:11px;top:26%;bottom:26%;width:19px;border-radius:1px;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(0,0,0,.55) 0 2px,rgba(255,255,255,.08) 2px 3px,transparent 3px 5px)}
.vm .led{grid-row:span 2;width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 6px var(--mint);animation:blink 1.3s steps(2,jump-none) infinite}
.vm:nth-child(3n+2) .led{animation-duration:.9s}.vm:nth-child(3n) .led{animation-duration:1.7s}
.vm b{font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vm small{grid-column:2;font-size:.64rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vm:hover{transform:translateZ(16px);border-color:hsl(var(--h) 90% 75% / .8)}
.vm:focus-visible{outline:2px solid var(--cyan);outline-offset:1px}
.vm.sel{transform:translateZ(26px);border-color:var(--cyan);box-shadow:0 0 0 2px rgba(76,201,240,.45),0 0 22px rgba(76,201,240,.55),0 3px 0 -1px rgba(0,0,0,.55)}
.vm.sel .led{background:var(--cyan);box-shadow:0 0 8px var(--cyan);animation-duration:.35s}
.vm.lifted,.vm.incoming{visibility:hidden}
.vm.moved{animation:land .7s ease-out}
@keyframes land{0%{box-shadow:0 0 0 0 rgba(76,201,240,.9),0 0 26px rgba(76,201,240,.8)}100%{box-shadow:0 0 0 12px rgba(76,201,240,0),0 3px 0 -1px rgba(0,0,0,.55)}}
@keyframes blink{50%{opacity:.25}}
@keyframes pulse{50%{opacity:.45}}

/* duch maszyny w locie / w ręce (warstwa nad sceną) */
.cl-fly{position:absolute;inset:0;pointer-events:none;z-index:5}
.vm.ghost{position:absolute;margin:0;cursor:grabbing;z-index:1;transform:none;border-color:var(--cyan);
  box-shadow:0 0 0 1px rgba(76,201,240,.6),0 0 26px rgba(76,201,240,.7),0 18px 30px rgba(0,0,0,.5)}
.vm.ghost.held{transition:none}

/* wybór celu migracji */
.cl3d.picking .rack.cand .rk-front,.cl3d.dragging .rack:not(.down) .rk-front{border-color:rgba(76,201,240,.55);animation:cand 1.4s ease-in-out infinite}
.cl3d.picking .rack.cand{cursor:pointer}
.rack.over .rk-front,.cl3d.dragging .rack.over .rk-front{border-color:var(--cyan);animation:none;background:linear-gradient(180deg,rgba(30,70,110,.97),rgba(12,28,52,.98));box-shadow:0 0 0 2px rgba(76,201,240,.5),0 0 34px rgba(76,201,240,.45)}
.rack.over{transform:translateZ(14px)}
.rack.src .rk-front{border-color:rgba(123,92,255,.6)}
@keyframes cand{50%{box-shadow:0 0 0 2px rgba(76,201,240,.25),0 0 24px rgba(76,201,240,.3)}}
.mig{position:absolute;left:.6rem;right:.75rem;bottom:calc(20px + .7rem);background:linear-gradient(135deg,var(--violet),var(--cyan));color:#06101f;border:0;border-radius:6px;padding:.35rem .5rem;font-size:.78rem;font-weight:600;
  transform:translateZ(18px);box-shadow:0 0 18px rgba(76,201,240,.45);animation:pulse 1.6s ease-in-out infinite}

/* awaria i powrót węzła */
.rack.down .rk-front{background:linear-gradient(180deg,rgba(52,18,28,.97),rgba(22,9,14,.98));border-color:rgba(255,107,107,.45)}
.rack.down .vms{background:repeating-linear-gradient(-45deg,rgba(255,107,107,.08) 0 8px,transparent 8px 16px)}
.rack.down .rk-head .dot{animation-duration:.6s}
.rack.down .rk-head{border-color:rgba(255,107,107,.35)}
.rack.boom{animation:shake .6s}
.rack.boom .rk-front::after,.rack.boot .rk-front::after{content:'';position:absolute;inset:0;border-radius:4px;pointer-events:none;animation:flash .9s ease-out forwards}
.rack.boom .rk-front::after{background:radial-gradient(circle at 50% 40%,rgba(255,180,120,.9),rgba(255,80,80,.35) 45%,transparent 75%)}
.rack.boot .rk-front::after{background:linear-gradient(180deg,transparent,rgba(61,220,151,.45),transparent) 0 -100%/100% 60% no-repeat;animation:scan .9s ease-out forwards}
@keyframes shake{0%,100%{transform:none}15%{transform:translate3d(-6px,0,0) rotateZ(-1.5deg)}30%{transform:translate3d(5px,-2px,0) rotateZ(1.2deg)}45%{transform:translate3d(-4px,0,0)}60%{transform:translate3d(3px,0,0)}75%{transform:translate3d(-1px,0,0)}}
@keyframes flash{0%{opacity:1}100%{opacity:0}}
@keyframes scan{0%{background-position:0 -100%;opacity:1}100%{background-position:0 220%;opacity:.2}}

/* dziennik zdarzeń */
.cl-log{display:flex;flex-direction:column;justify-content:flex-end;height:4.6rem;overflow:hidden;margin:.5rem .2rem 0;color:var(--muted);font-size:.95rem;line-height:1.5}
.cl-log .ln{display:block;opacity:.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;animation:lnIn .35s ease-out}
.cl-log .ln:last-child{opacity:1;color:var(--ink);white-space:normal}
.cl-log time{font:600 .78em ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--cyan);margin-right:.25rem}
.cl-log .err time{color:var(--off)}.cl-log .ok time{color:var(--mint)}
@keyframes lnIn{from{transform:translateY(.6rem);opacity:0}}

/* wąska szafa: serwery bez kieszeni na dyski, żeby zmieściła się nazwa maszyny */
@container bay (max-width:175px){.vm{padding-right:.7rem}.vm::after{display:none}}
/* wąska szafa: przycisk awarii jako sama ikona, żeby zmieściła się nazwa węzła */
@container rk (max-width:125px){.rk-head .dot{display:none}.pwr{padding:.12rem .22rem}}
@container rk (max-width:150px){.pwr{font-size:0;padding:.15rem .3rem}.pwr::before{font-size:.8rem}}
/* wąskie kontenery (telefon, wąska kolumna panelu) */
@container cl (max-width:460px){
  .cl3d{--dp:30px}
  .cl-stage{padding:2rem .3rem 3rem;perspective:800px}
  .cl-racks{gap:1rem .6rem}
  .rack{min-width:88px}
  .rk-front{padding:0 .5rem 0 .35rem}
  .rk-roof,.rk-plinth{margin-left:-.35rem;margin-right:-.5rem}
  .rk-head strong{font-size:.68rem;letter-spacing:0}
  .vms{padding:.3rem 8px}
  .vms::before,.vms::after{width:6px;background:linear-gradient(90deg,#2b3561 0 1px,transparent 1px 5px,#2b3561 5px),repeating-linear-gradient(180deg,#2b3561 0 3px,#03050c 3px 6px)}
  .vm::after{display:none}
  .bar{grid-template-columns:1.6rem 1fr 2rem;font-size:.62rem;gap:.2rem}
  .vm{padding:.25rem .65rem .25rem .4rem;column-gap:.3rem}
  .vm b{font-size:.72rem}
  .vm small{font-size:.58rem}
  .cl-hint{font-size:.66rem}
}
/* „ogranicz ruch”: bez kołysania, wstrząsów i przesuwających się pakietów; zostają zmiany kolorów i poświaty */
@media (prefers-reduced-motion:reduce){
  .rack.boom,.cl-floor i,.cl-log .ln,.rack.boot .rk-front::after{animation:none}
  .vm{transition:box-shadow .25s,border-color .2s}
}