:root{
  --bg0:#050607;
  --bg1:#0b0d10;
  --card:#0e1217cc;
  --card2:#0e1217;
  --stroke:#232a33;
  --text:#e6edf3;
  --muted:#9aa4af;
  --accent:#f59e0b;
  --accent2:#fbbf24;
  --radius:16px;
}

*{box-sizing:border-box}
html,body{height:100%}
body.mpw{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(245,158,11,.10), transparent 55%),
    radial-gradient(900px 600px at 80% 20%, rgba(59,130,246,.10), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

a{color:inherit}
code{color:#c9d1d9;background:#0b1118;padding:.12rem .35rem;border-radius:8px;border:1px solid #1f2937}

.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding:10px 14px;
  border-bottom:1px solid rgba(255,255,255,.06);
  background:linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.25));
  backdrop-filter: blur(10px);
}

.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-logo{height:28px;width:auto;display:block}
.brand-text{
  font-weight:700;letter-spacing:.2px;
  padding:4px 8px;border-radius:999px;
  background:rgba(245,158,11,.10);
  border:1px solid rgba(245,158,11,.25);
}

.wrap{max-width:1200px;margin:0 auto;padding:14px}
.panel{
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(14,18,23,.85), rgba(14,18,23,.65));
  box-shadow: 0 12px 40px rgba(0,0,0,.45);
  overflow:hidden;
}

.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding:12px 12px;
  border-bottom:1px solid rgba(255,255,255,.06);
}

.graph-switch, .time-switch{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}

.graph-title{min-width:160px;font-weight:700;color:var(--accent2)}
.crumb{display:flex;align-items:center;gap:10px;color:var(--muted)}
.sep{opacity:.5}
.plant-name{color:var(--text);font-weight:650}

.panel-body{padding:0}
.grafana-frame{
  width:100%;
  height:560px;
  border:0;
  display:block;
  background:#0b0d10;
}

.panel-foot{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:10px 12px;
  border-top:1px solid rgba(255,255,255,.06);
  color:var(--muted);
}
.hint a{color:var(--accent2);text-decoration:none}
.hint a:hover{text-decoration:underline}
.small{font-size:12px;opacity:.9}

.btn, .iconbtn, .select{
  border-radius:12px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.35);
  color:var(--text);
  padding:8px 10px;
  text-decoration:none;
  display:inline-flex;align-items:center;gap:8px;
}
.btn:hover,.iconbtn:hover,.select:hover{border-color:rgba(245,158,11,.35)}
.btn{font-weight:650}
.btn.ghost{background:rgba(245,158,11,.10);border-color:rgba(245,158,11,.25)}
.btn.mini{padding:6px 10px;border-radius:999px;font-weight:650}
.iconbtn{width:40px;justify-content:center;cursor:pointer}
.select{padding:8px 10px}

.card{
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background:rgba(14,18,23,.65);
  padding:16px;
}

.plant-picker{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;
}

/* RRD-like "Zpět o" mini ovládání (s čítači 0m/0h/0d/0w) */
.backshift{
  display:flex;
  align-items:center;
  gap:6px;
  padding:4px 8px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}

.backshift .lbl{
  font-size:12px;
  opacity:.75;
  margin-right:4px;
  white-space:nowrap;
}

.backshift .sep{
  opacity:.35;
  margin:0 6px;
  user-select:none;
}

.backshift .val{
  font-size:12px;
  opacity:.95;
  min-width:30px;
  text-align:center;
  user-select:none;
  font-variant-numeric: tabular-nums;
}

/* zmenšíme ikonbtn jen uvnitř backshift */
.backshift .iconbtn{
  width:28px;
  padding:6px 0;
  border-radius:999px;
}

@media (max-width: 900px){
  /* na menších šířkách a mobilu uděláme časovou lištu jako scrollable "chips" */
  .panel-head{flex-direction:column;align-items:stretch}
  .graph-title{min-width:auto}

  .time-switch{
    flex-wrap:nowrap;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    padding-bottom:6px;
    gap:8px;
  }
  .time-switch::-webkit-scrollbar{height:6px}
  .time-switch::-webkit-scrollbar-thumb{background:rgba(255,255,255,.10);border-radius:999px}
  .time-switch::-webkit-scrollbar-track{background:transparent}

  .grafana-frame{height:520px}
}
@media (max-width: 760px){
  .backshift .lbl{ display:none; }
  .backshift{ gap:4px; }
  .backshift .btn{ margin-top:6px; }
}