:root{
  --bg:#070b14; --bg2:#0b1220; --panel:#0d1526; --panel2:#111c30;
  --line:#1b2740; --line2:#26374f;
  --txt:#dbe6f5; --txt2:#93a5c2; --txt3:#5c7093;
  --cy:#22d3ee; --cy-d:#0e7490;
  --sel:#fde047; --ok:#34d399; --err:#f87171; --warn:#fbbf24;
  --slotw:38px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;}
body{
  font-family:'Inter',sans-serif; color:var(--txt); overflow:hidden; min-width:1200px;
  background:
    radial-gradient(1100px 520px at 75% -10%, #0d1c36 0%, transparent 60%),
    radial-gradient(800px 500px at -5% 110%, #0b1a2e 0%, transparent 55%),
    var(--bg);
  display:flex; flex-direction:column;
}
::-webkit-scrollbar{width:9px;height:9px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:#22314d;border-radius:6px;border:2px solid var(--bg);}
::-webkit-scrollbar-thumb:hover{background:#31456b;}
svg text{user-select:none;-webkit-user-select:none;}
button{font-family:inherit;}
input,select,textarea{
  background:#0a1322;border:1px solid var(--line2);border-radius:8px;color:var(--txt);
  font:500 12.5px 'Inter';padding:7px 9px;width:100%;outline:none;transition:border-color .15s, box-shadow .15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--cy);box-shadow:0 0 0 3px rgba(34,211,238,.14);}
textarea{resize:vertical;min-height:44px;}
label{font:600 9.5px 'Inter';letter-spacing:.9px;color:var(--txt3);text-transform:uppercase;}

/* ================= PANTALLA DE BLOQUEO ================= */
.lock{
  position:fixed;inset:0;z-index:300;display:grid;place-items:center;
  background:
    radial-gradient(900px 480px at 50% -10%, #0e2140 0%, transparent 60%),
    radial-gradient(circle at 1px 1px, rgba(120,150,200,.07) 1px, transparent 1.4px) 0 0/26px 26px,
    var(--bg);
  transition:opacity .4s ease;
}
.lock.hidden{opacity:0;pointer-events:none;}
.lock-card{
  width:370px;max-width:92vw;background:linear-gradient(170deg,#101c31,#0c1526);
  border:1px solid var(--line2);border-radius:18px;padding:34px 30px 28px;text-align:center;
  box-shadow:0 30px 80px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.06);
  animation:modalPop .35s cubic-bezier(.34,1.4,.64,1);
}
.lock-card.shake{animation:shake .42s ease;}
@keyframes shake{
  0%,100%{transform:translateX(0);}
  20%{transform:translateX(-10px);}
  40%{transform:translateX(8px);}
  60%{transform:translateX(-6px);}
  80%{transform:translateX(4px);}
}
.lock-logo{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;color:#03121c;margin:0 auto 14px;
  background:linear-gradient(135deg,#67e8f9,#0ea5e9);
  box-shadow:0 0 26px rgba(34,211,238,.4), inset 0 1px 0 #ffffff88;
}
.lock-logo svg{width:27px;height:27px;}
.lock-card h2{font:700 20px 'Space Grotesk';letter-spacing:.3px;}
.lock-card h2 em{font-style:normal;color:var(--cy);}
.lock-card .lock-sub{font:500 11.5px 'Inter';color:var(--txt3);margin:7px 0 22px;line-height:1.5;}
.lock-input{position:relative;display:flex;}
.lock-input input{padding-right:42px;text-align:center;letter-spacing:2px;}
#togglePass{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--txt3);cursor:pointer;padding:6px;display:grid;place-items:center;border-radius:6px;
}
#togglePass:hover{color:var(--txt2);background:#152238;}
#togglePass svg{width:16px;height:16px;}
.lock-error{min-height:20px;font:600 11.5px 'Inter';color:var(--err);margin-top:9px;letter-spacing:.3px;}
.lock-btn{width:100%;margin-top:8px;justify-content:center;padding:10px 13px;font-size:13px;}
.lock-btn:disabled{opacity:.55;cursor:wait;}
.lock-foot{font:500 9.5px 'JetBrains Mono';color:#33456480;margin-top:18px;letter-spacing:1.5px;text-transform:uppercase;}

/* ================= HEADER ================= */
header{
  height:60px;flex:0 0 60px;display:flex;align-items:center;gap:16px;padding:0 18px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#0d1728ee,#0a1220ee);backdrop-filter:blur(6px);z-index:20;
}
.logo{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#03121c;
  background:linear-gradient(135deg,#67e8f9,#0ea5e9);box-shadow:0 0 18px rgba(34,211,238,.35), inset 0 1px 0 #ffffff88;
}
.logo svg{width:21px;height:21px;}
.title h1{font:700 17px 'Space Grotesk';letter-spacing:.3px;line-height:1.1;}
.title h1 em{font-style:normal;color:var(--cy);}
.title p{font:500 10.5px 'Inter';color:var(--txt3);letter-spacing:.4px;margin-top:1px;}
.hstats{display:flex;gap:8px;align-items:center;margin-left:10px;}
.chip{
  font:600 11px 'JetBrains Mono';color:var(--txt2);background:#0f1a2e;border:1px solid var(--line2);
  padding:4px 10px;border-radius:20px;white-space:nowrap;
}
#saveDot{font:600 10px 'Inter';color:var(--ok);letter-spacing:.5px;opacity:.75;transition:opacity .3s;}
#saveDot.saving{opacity:1;animation:blink 1s infinite;}
@keyframes blink{50%{opacity:.3;}}
.hactions{margin-left:auto;display:flex;gap:8px;}

/* ================= BOTONES ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  background:#101a2c;border:1px solid var(--line2);color:var(--txt2);
  font:600 12px 'Inter';padding:8px 13px;border-radius:9px;cursor:pointer;
  transition:all .15s;white-space:nowrap;
}
.btn svg{width:14px;height:14px;}
.btn:hover{color:var(--txt);border-color:#3a5a8c;background:#152238;}
.btn.primary{
  background:linear-gradient(180deg,#0d3a55,#0a2c44);border-color:#155e86;color:#a5e7fa;
}
.btn.primary:hover{border-color:var(--cy);box-shadow:0 0 14px rgba(34,211,238,.25);color:#d6f6ff;}
.btn.primary.alt{background:linear-gradient(180deg,#0b3d31,#082d24);border-color:#0f6b52;color:#8deccd;}
.btn.primary.alt:hover{border-color:var(--ok);box-shadow:0 0 14px rgba(52,211,153,.22);}
.btn.danger{background:#2a1218;border-color:#6e2a33;color:#fca5a5;}
.btn.danger:hover{border-color:var(--err);box-shadow:0 0 14px rgba(248,113,113,.2);color:#fecaca;}
.btn.armed{background:#3a2506!important;border-color:var(--warn)!important;color:#fde68a!important;animation:blink .8s infinite;}
.btn.full{width:100%;margin-top:4px;}
.btn.mini{padding:5px 9px;font-size:11px;}

/* ================= LAYOUT ================= */
main{flex:1;min-height:0;display:grid;grid-template-columns:522px minmax(400px,1fr) 342px;}
aside{overflow-y:auto;padding:14px;background:var(--panel);}
#leftPanel{border-right:1px solid var(--line);}
#rightPanel{border-left:1px solid var(--line);display:flex;flex-direction:column;gap:12px;}
.sec-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.sec-head h2{font:700 12px 'Space Grotesk';letter-spacing:2px;color:var(--txt2);text-transform:uppercase;}
.sec-title{font:700 10.5px 'Space Grotesk';letter-spacing:2px;color:var(--txt3);text-transform:uppercase;}

/* ================= TABLERO ================= */
.ctl-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
.stepper{display:flex;align-items:center;gap:8px;}
.stepper .lbl{font:600 10px 'Inter';letter-spacing:.8px;color:var(--txt3);text-transform:uppercase;}
.stp{display:flex;align-items:center;background:#0f1a2e;border:1px solid var(--line2);border-radius:9px;overflow:hidden;}
.stp button{width:28px;height:28px;background:transparent;border:none;color:var(--txt2);font:700 15px 'Inter';cursor:pointer;transition:.15s;}
.stp button:hover{background:#1a2946;color:var(--cy);}
.stp span{min-width:26px;text-align:center;font:700 13px 'JetBrains Mono';color:var(--txt);}
.addbtns{display:flex;gap:7px;}

.board-shell{
  position:relative;border-radius:16px;padding:10px;
  background:linear-gradient(160deg,#33405a,#1c2537 55%,#232e44);
  border:1px solid #3d4d6d;
  box-shadow:0 14px 34px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.14), inset 0 -2px 8px rgba(0,0,0,.4);
}
.board-shell.flashp{animation:flashP 1.1s ease;}
@keyframes flashP{
  0%,55%{box-shadow:0 0 0 3px var(--warn), 0 0 26px rgba(251,191,36,.45), 0 14px 34px rgba(0,0,0,.5);}
  100%{box-shadow:0 14px 34px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.14);}
}
.screw{
  position:absolute;width:11px;height:11px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#cdd6e2,#6b7686 60%,#39404c);
  box-shadow:inset 0 -1px 2px rgba(0,0,0,.6);
}
.screw::after{content:'';position:absolute;left:1.5px;right:1.5px;top:4.6px;height:1.6px;background:#2b323d;transform:rotate(40deg);}
.screw.tl{top:6px;left:6px;} .screw.tr{top:6px;right:6px;} .screw.bl{bottom:6px;left:6px;} .screw.br{bottom:6px;right:6px;}
.board-plate{
  text-align:center;font:700 9.5px 'Space Grotesk';letter-spacing:2.6px;color:#93a5c2;
  background:linear-gradient(180deg,#121b2c,#0d1424);border:1px solid #2b3b58;border-radius:7px;
  padding:6px 8px;margin-bottom:8px;text-transform:uppercase;
}
.board-plate b{color:#cfe3ff;}
#boardInner{
  position:relative;margin:0 auto;touch-action:none;user-select:none;-webkit-user-select:none;
  background:
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.03), transparent 60%),
    #0a111f;
  border-radius:10px;border:1px solid #1e2b45;
  box-shadow:inset 0 3px 14px rgba(0,0,0,.65);
}
.rail-bar{
  position:absolute;left:16px;right:16px;height:24px;border-radius:3px;z-index:1;
  background:linear-gradient(180deg,#a7b1bf,#6e7887 28%,#949eac 52%,#5c6673 74%,#828c9a);
  box-shadow:0 2px 6px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.5);
  display:flex;align-items:center;justify-content:space-between;padding:0 8px;
}
.rail-bar::before{
  content:'';position:absolute;left:42px;right:42px;top:7px;bottom:7px;border-radius:2px;
  background:repeating-linear-gradient(90deg,transparent 0 22px,rgba(0,0,0,.42) 22px 27px);
}
.rail-lbl{font:700 7.5px 'Inter';letter-spacing:1.4px;color:#1e293b;background:rgba(255,255,255,.85);padding:2px 5px;border-radius:3px;z-index:2;}
.rail-free{font:600 7.5px 'JetBrains Mono';color:#1e293b;background:rgba(255,255,255,.6);padding:2px 5px;border-radius:3px;z-index:2;}
.ticks{position:absolute;z-index:0;}
.ticks span{position:absolute;transform:translateX(-50%);font:500 8px 'JetBrains Mono';color:#38507a;}
.ticks span::before{content:'';position:absolute;left:50%;top:-6px;width:1px;height:4px;background:#2a3f66;}

.breaker{
  position:absolute;height:88px;border-radius:7px;cursor:grab;z-index:3;
  background:linear-gradient(180deg,#f2f4f7 0%,#dde2e8 46%,#c4cbd4 54%,#d6dbe1 100%);
  border:1px solid #77828f;
  box-shadow:0 3px 9px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.75);
  display:flex;flex-direction:column;padding:4px 4px 3px;gap:2px;
  outline:2px solid transparent;outline-offset:2px;
  transition:box-shadow .18s,outline-color .18s;
}
.breaker:hover{box-shadow:0 5px 12px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.15), inset 0 1px 0 rgba(255,255,255,.75);}
.breaker.sel{
  outline-color:var(--cy);z-index:4;
  box-shadow:0 0 0 1px var(--cy), 0 0 18px rgba(34,211,238,.5), 0 6px 14px rgba(0,0,0,.55);
}
.breaker.dragging{cursor:grabbing;opacity:.94;transform:scale(1.045);transition:none;box-shadow:0 14px 28px rgba(0,0,0,.65);z-index:8;}
.breaker.newbk{animation:newBk 1.1s ease;}
@keyframes newBk{
  0%{box-shadow:0 0 0 3px var(--ok), 0 0 26px rgba(52,211,153,.85);}
  100%{box-shadow:0 3px 9px rgba(0,0,0,.5);}
}
.bk-dot{position:absolute;top:5px;left:5px;width:7px;height:7px;border-radius:50%;background:var(--bcol);box-shadow:0 0 7px var(--bcol);}
.bk-head{display:flex;justify-content:space-between;align-items:center;gap:2px;padding:0 1px;}
.bk-brand{font:600 6.5px 'Inter';color:#4b5563;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55%;text-transform:uppercase;}
.breaker.narrow .bk-brand{display:none;}
.bk-amp{font:700 9px 'JetBrains Mono';color:#0f172a;background:rgba(255,255,255,.72);border:1px solid #93a0af;border-radius:3px;padding:1px 3px;margin-left:auto;white-space:nowrap;}
.bk-mid{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;min-height:0;}
.lever{width:20px;height:36px;border-radius:4px;position:relative;cursor:pointer;
  background:linear-gradient(180deg,#242f41,#0d1420);border:1px solid #060a12;
  box-shadow:inset 0 2px 5px rgba(0,0,0,.7), 0 1px 0 rgba(255,255,255,.35);
}
.lever .knob{position:absolute;left:2px;right:2px;height:13px;border-radius:3px;top:18px;
  background:linear-gradient(180deg,#6b7787,#49545f);box-shadow:0 1px 2px rgba(0,0,0,.5);
  transition:top .16s ease, background .16s;
}
.lever.on .knob{top:3px;}
.breaker.termica .lever.on .knob{background:linear-gradient(180deg,#60a5fa,#1d4ed8);}
.breaker.diferencial .lever.on .knob{background:linear-gradient(180deg,#34d399,#047857);}
.tbtn{width:15px;height:15px;border-radius:3px;border:1px solid #a16207;background:linear-gradient(180deg,#fde68a,#f59e0b);
  color:#713f12;font:800 8px 'Inter';cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.4);}
.tbtn:hover{filter:brightness(1.1);}
.bk-foot{display:flex;flex-direction:column;align-items:center;line-height:1.15;}
.bk-id{font:800 10px 'Inter';color:#0f172a;}
.bk-sub{font:500 6.5px 'JetBrains Mono';color:#475569;white-space:nowrap;}
.bk-cnt{position:absolute;bottom:-7px;right:-7px;min-width:16px;height:16px;border-radius:9px;
  background:var(--bcol);color:#031320;font:700 9px/16px 'Inter';text-align:center;padding:0 4px;
  box-shadow:0 0 9px var(--bcol);border:1px solid rgba(0,0,0,.3);}
.drop-ghost{position:absolute;display:none;border:2px dashed var(--ok);border-radius:8px;background:rgba(52,211,153,.08);z-index:6;pointer-events:none;height:88px;}
.drop-ghost.bad{border-color:var(--err);background:rgba(248,113,113,.08);}

.board-help{display:flex;gap:12px;align-items:center;margin-top:11px;font:500 10.5px 'Inter';color:var(--txt3);flex-wrap:wrap;}
.board-help .sw{display:inline-block;width:9px;height:14px;border-radius:2.5px;margin-right:4px;vertical-align:-2px;}
.sw.term{background:linear-gradient(180deg,#9db2cc,#1d4ed8 45%,#0b1220);}
.sw.dif{background:linear-gradient(180deg,#9db2cc,#047857 45%,#0b1220);}

/* ================= CENTRO / PLANO ================= */
#centerPanel{display:flex;flex-direction:column;min-width:0;background:var(--bg2);}
.toolbar{
  display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid var(--line);
  background:rgba(10,16,28,.75);flex-wrap:wrap;z-index:5;
}
.tool-group{display:flex;gap:6px;align-items:center;}
.tool{
  display:flex;align-items:center;gap:6px;padding:7px 11px;border-radius:9px;
  background:#101a2c;border:1px solid var(--line2);color:var(--txt2);
  font:600 11.5px 'Inter';cursor:pointer;transition:all .15s;white-space:nowrap;
}
.tool svg{width:15px;height:15px;}
.tool:hover{color:var(--txt);border-color:#3a5a8c;background:#152238;}
.tool.active{
  background:linear-gradient(180deg,#0d3a55,#0a2a42);border-color:var(--cy);color:#b8f1fd;
  box-shadow:0 0 13px rgba(34,211,238,.28);
}
.tool-sep{width:1px;height:24px;background:var(--line2);margin:0 3px;}
.zoom-lbl{font:600 11px 'JetBrains Mono';color:var(--txt2);min-width:44px;text-align:center;}
.slider{gap:6px;}
.slider label{white-space:nowrap;}
.slider input[type=range]{width:86px;padding:0;height:4px;accent-color:var(--cy);cursor:pointer;}
.hint{
  margin-left:auto;font:500 11px 'Inter';color:var(--txt2);padding:6px 11px;border-radius:8px;
  background:#0c1626;border:1px dashed var(--line2);max-width:44%;line-height:1.35;
}
.hint b{color:var(--cy);}
.hint .hl-y{color:var(--sel);}

.canvas-wrap{
  flex:1;position:relative;overflow:hidden;min-height:0;
  background:
    radial-gradient(circle at 1px 1px, rgba(120,150,200,.09) 1px, transparent 1.4px) 0 0/26px 26px,
    radial-gradient(800px 400px at 60% 0%, rgba(16,42,67,.5), transparent),
    #070d18;
}
#planoSvg{width:100%;height:100%;display:block;touch-action:none;cursor:default;}
#planoSvg.placing{cursor:crosshair;}
#planoSvg.grabbing{cursor:grabbing;}
#placeGhost{pointer-events:none;}
#placeGhost .gbody{fill:rgba(253,224,71,.1);stroke:var(--sel);stroke-width:2;stroke-dasharray:4 3;}
#placeGhost .glyph{stroke:var(--sel);}
#placeGhost .gd{fill:var(--sel);}
#placeGhost .ghost-lbl{fill:var(--sel);opacity:.65;font-family:'Inter',sans-serif;font-weight:600;font-size:14px;letter-spacing:3px;}

/* ---- etiquetas de texto del plano ---- */
.lbl-item{cursor:move;transition:opacity .2s;}
.lbl-item .lbl-text{
  fill:#8fb0d8;font-family:'Inter',sans-serif;font-weight:600;letter-spacing:3px;text-anchor:middle;
  paint-order:stroke;stroke:#060b14;stroke-width:2.5px;pointer-events:all;transition:fill .15s;
}
.lbl-item:hover .lbl-text{fill:#b9d2ef;}
.lbl-item.sel .lbl-text{
  fill:var(--sel);
  filter:drop-shadow(0 0 3px var(--sel)) drop-shadow(0 0 12px rgba(253,224,71,.9));
}
.lbl-item.new .lbl-text{animation:lblPop .4s ease;}
@keyframes lblPop{from{opacity:0;}to{opacity:1;}}

/* ---- objetos del plano ---- */
.obj{cursor:move;transition:opacity .2s;}
.obj .inner{transform-box:fill-box;transform-origin:center;}
.obj.new .inner{animation:pop .35s cubic-bezier(.34,1.56,.64,1);}
@keyframes pop{from{transform:scale(.3);opacity:0;}to{transform:scale(1);opacity:1;}}
.obj .body{fill:#0c1524;stroke:var(--bcol);stroke-width:2.4;transition:stroke .15s;}
.obj .glyph{stroke:#dbe6f5;stroke-width:2;stroke-linecap:round;fill:none;}
.obj .gd{fill:#dbe6f5;}
.obj .lbl{font:600 10.5px 'Inter';fill:#9db1cc;text-anchor:middle;pointer-events:none;paint-order:stroke;stroke:#060b14;stroke-width:3px;}
.obj .halo{fill:none;stroke:var(--sel);opacity:0;pointer-events:none;}
.obj text{pointer-events:none;}
.obj.unassigned .body{stroke:#5c6e8c;stroke-dasharray:3.5 3;}
.obj.dim{opacity:.38;}
.obj.related .body{stroke-width:3;filter:drop-shadow(0 0 4px var(--bcol)) drop-shadow(0 0 11px var(--bcol));}
.obj.related .lbl{fill:#dbe6f5;}
.obj.flash .body{animation:flashB .9s ease;}
@keyframes flashB{0%{stroke-width:6;}100%{stroke-width:3;}}
.obj.sel .body{stroke:var(--sel);stroke-width:3;filter:drop-shadow(0 0 3px var(--sel)) drop-shadow(0 0 13px rgba(253,224,71,.9));}
.obj.sel .glyph{stroke:#fff7cc;}
.obj.sel .lbl{fill:var(--sel);}
.obj.sel .halo{opacity:1;animation:haloP 1.35s ease-in-out infinite;}
@keyframes haloP{0%,100%{opacity:.95;stroke-width:2;}50%{opacity:.25;stroke-width:6;}}

.statusbar{
  height:30px;flex:0 0 30px;display:flex;align-items:center;justify-content:space-between;
  padding:0 14px;border-top:1px solid var(--line);background:rgba(9,14,25,.8);
  font:500 10.5px 'JetBrains Mono';color:var(--txt3);
}

/* ================= PANEL DERECHO ================= */
.info-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:2px;}
#selKind{
  font:700 9.5px 'JetBrains Mono';letter-spacing:1px;color:var(--cy);
  background:rgba(34,211,238,.09);border:1px solid rgba(34,211,238,.3);
  padding:3px 9px;border-radius:20px;
}
#infoBody{display:flex;flex-direction:column;gap:10px;}
.sel-tag{
  display:flex;align-items:center;gap:7px;font:700 10.5px 'Space Grotesk';letter-spacing:1.6px;
  color:#b8f1fd;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.25);
  padding:6px 10px;border-radius:8px;
}
.sel-tag svg{width:13px;height:13px;}
.sel-tag.otag{color:#fef3b0;background:rgba(253,224,71,.07);border-color:rgba(253,224,71,.28);}
.sel-tag .dot{width:9px;height:9px;border-radius:50%;background:var(--bcol,#22d3ee);box-shadow:0 0 8px var(--bcol,#22d3ee);}
.field{display:flex;flex-direction:column;gap:4px;}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.frow3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;}
.brk-card{
  display:flex;align-items:center;gap:9px;background:#0f1a2e;border:1px solid var(--line2);
  border-radius:10px;padding:8px 11px;cursor:pointer;transition:.15s;
}
.brk-card:hover{border-color:var(--cy);}
.brk-card .dot{width:10px;height:10px;border-radius:50%;background:var(--bcol,#64748b);box-shadow:0 0 8px var(--bcol,#64748b);flex:0 0 auto;}
.brk-card .bc-t{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brk-card .bc-t b{font:700 12.5px 'Inter';}
.brk-card .bc-t span{font:500 10.5px 'Inter';color:var(--txt3);}
.brk-card .go{margin-left:auto;font:600 10.5px 'Inter';color:var(--cy);white-space:nowrap;}
.brk-card.none-card{cursor:default;color:var(--txt3);font:500 11.5px 'Inter';border-style:dashed;}
.objs-sec{display:flex;flex-direction:column;gap:5px;}
.chips{display:flex;flex-wrap:wrap;gap:5px;}
.chip-obj{
  display:inline-flex;align-items:center;gap:5px;background:#101a2c;border:1px solid var(--line2);
  padding:3px 9px;border-radius:20px;font:600 10.5px 'Inter';color:var(--txt2);cursor:pointer;transition:.15s;
}
.chip-obj svg{width:11px;height:11px;}
.chip-obj:hover{border-color:var(--sel);color:var(--sel);}
.none{font:500 11px 'Inter';color:var(--txt3);line-height:1.5;}
.mini{font:500 10px 'Inter';color:var(--txt3);line-height:1.5;}
.form-note{font:500 10px 'Inter';color:var(--txt3);align-self:center;}

.empty-info{
  border:1px dashed var(--line2);border-radius:12px;padding:18px 16px;text-align:left;
  background:rgba(13,22,38,.5);
}
.empty-info .e-ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(34,211,238,.2),rgba(14,116,144,.15));color:var(--cy);margin-bottom:10px;}
.empty-info .e-ico svg{width:20px;height:20px;}
.empty-info p{font:600 13px 'Inter';margin-bottom:8px;}
.empty-info ol{margin:0 0 10px 16px;display:flex;flex-direction:column;gap:6px;}
.empty-info li{font:400 11.5px/1.5 'Inter';color:var(--txt2);}
.empty-info li b{color:var(--txt);}

.circuits{display:flex;flex-direction:column;gap:7px;margin-top:2px;}
#circuitList{display:flex;flex-direction:column;gap:5px;}
.circ{
  display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:9px;cursor:pointer;
  background:#0e1728;border:1px solid var(--line);transition:.15s;
}
.circ:hover{border-color:var(--line2);background:#122036;}
.circ.sel{border-color:var(--cy);background:rgba(34,211,238,.07);box-shadow:0 0 10px rgba(34,211,238,.12);}
.circ .dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto;}
.circ .c-id{font:700 12px 'Inter';min-width:30px;}
.circ .c-tipo{font:500 10.5px 'Inter';color:var(--txt3);flex:1;}
.circ .c-amp{font:600 10.5px 'JetBrains Mono';color:var(--txt2);}
.circ .c-n{font:600 9.5px 'Inter';color:var(--txt3);background:#0a1220;border:1px solid var(--line);padding:2px 7px;border-radius:12px;white-space:nowrap;}
.circ .c-n.z{opacity:.5;}
.circ.unas{border-style:dashed;}

/* ================= MODAL DE CONFIRMACIÓN ================= */
.modal-overlay{
  position:fixed;inset:0;background:rgba(4,8,16,.72);backdrop-filter:blur(4px);
  display:grid;place-items:center;z-index:200;
}
.modal{
  background:#101a2e;border:1px solid var(--line2);border-radius:14px;padding:22px 24px;
  max-width:440px;box-shadow:0 20px 60px rgba(0,0,0,.6);
  animation:modalPop .25s cubic-bezier(.34,1.4,.64,1);
}
@keyframes modalPop{from{transform:scale(.92);opacity:0;}to{transform:scale(1);opacity:1;}}
.modal-ico{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.3);color:var(--warn);margin-bottom:12px;
}
.modal-ico svg{width:20px;height:20px;}
.modal p{font:400 13px/1.6 'Inter';color:var(--txt2);margin-bottom:18px;}
.modal p b{color:var(--txt);}
.modal-btns{display:flex;justify-content:flex-end;gap:8px;}

/* ================= TOASTS ================= */
#toasts{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:320;align-items:center;pointer-events:none;}
.toast{
  background:rgba(14,24,42,.94);border:1px solid var(--line2);color:var(--txt);
  padding:9px 17px;border-radius:10px;font:500 12.5px 'Inter';
  box-shadow:0 10px 28px rgba(0,0,0,.55);opacity:0;transform:translateY(10px);transition:.25s;
  max-width:520px;text-align:center;backdrop-filter:blur(6px);
}
.toast.show{opacity:1;transform:none;}
.toast.ok{border-color:rgba(52,211,153,.5);}
.toast.warn{border-color:rgba(251,191,36,.55);}
.toast.err{border-color:rgba(248,113,113,.55);}

/* animaciones de entrada */
@keyframes rise{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
#leftPanel,#centerPanel,#rightPanel{animation:rise .45s ease both;}
#centerPanel{animation-delay:.06s;} #rightPanel{animation-delay:.12s;}
</style>