:root{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --muted:#6b7280;
  --accent:#2563eb;
  --card-border:#e6eef9;
  --text:#111827;
}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;background:var(--bg);color:var(--text);}
.container{max-width:1100px;margin:0 auto;padding:16px}
.site-header{background:linear-gradient(180deg,#ffffffcc,#f0f4ff);border-bottom:1px solid #e6eef9}
.site-header .title{margin:8px 0 0;font-size:20px}
.site-header .subtitle{margin:2px 0 12px;color:var(--muted);font-size:13px}
.site-header .header-inner{display:flex;align-items:center;gap:12px}
.logo{width:49px;height:49px;object-fit:contain;border-radius:6px}
.brand{flex:0 0 auto}
.header-text{flex:1}
.grid{display:grid;grid-template-columns:1fr 1.2fr;gap:16px;margin-top:18px;align-items:start}
.panel{background:var(--panel);border-radius:10px;padding:14px;border:1px solid var(--card-border);box-shadow:0 1px 4px rgba(16,24,40,0.03)}
.overview .cards{display:flex;gap:12px}
.cards-header{display:flex;flex-direction:column;margin-bottom:8px}
.cards-title{margin:0;font-size:16px;font-weight:700}
.cards-note{margin:4px 0 8px;color:var(--muted);font-size:13px}

.site-header .header-inner{display:flex;align-items:center;gap:12px;position:relative}
.lang-toggle{position:absolute;top:50%;transform:translateY(-50%);display:flex;gap:8px;z-index:30}
.lang-toggle.debug-visible{background:rgba(255,255,255,0.9);border:1px dashed rgba(0,0,0,0.08);padding:6px;border-radius:6px}
.lang-btn{background:transparent;border:0;font-size:13px;padding:6px 8px;border-radius:6px;cursor:pointer;color:var(--muted)}
.lang-btn.active{font-weight:700;color:var(--text);background:rgba(37,99,235,0.08);border:1px solid rgba(37,99,235,0.12)}
.lang-btn{background:transparent;border:0;font-size:14px;padding:6px 8px;border-radius:6px;cursor:pointer;color:var(--muted)}
.lang-btn.active{font-weight:700;color:var(--text);background:rgba(37,99,235,0.08);border:1px solid rgba(37,99,235,0.12)}
.card{flex:1;padding:12px;border-radius:8px;background:linear-gradient(180deg,#fff,#fbfdff);border:1px solid #eef6ff}
.card-title{font-size:12px;color:var(--muted)}
.card-value{font-size:18px;font-weight:600;margin-top:6px}
.info-btn{background:transparent;border:0;color:var(--muted);font-size:14px;margin-left:6px;cursor:help}
.info-pop{position:absolute;background:var(--panel);border:1px solid var(--card-border);padding:8px;border-radius:6px;box-shadow:0 6px 20px rgba(16,24,40,0.08);display:none;z-index:1300;max-width:240px;font-size:13px}
.info-pop.show{display:block}
.panel-footer{margin-top:10px}
.muted{color:var(--muted)}
.map{padding:0;display:flex;flex-direction:column;align-items:stretch}
/* make inner map fill column height on large screens */
.map > #map{flex:1 1 auto;height:100%;min-height:320px;border-radius:8px}

/* Fine visual adjustments to better match left column height */
@media (min-width:900px){
  /* reduce top/bottom padding on left panels so overall column heights match */
  .overview .panel, .overview .cards-header, .overview .card{padding-top:12px;padding-bottom:12px}
  .mqtt-instructions.panel, .panel{padding:12px}
  /* slightly increase gap between columns to balance visual weight */
  .grid{gap:18px}
}
.table-panel{margin-top:16px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px;text-align:left;border-bottom:1px solid #f1f5f9}
th{background:transparent;color:var(--muted);font-weight:600}
.site-footer{margin-top:18px;padding:18px 0;color:var(--muted);text-align:center;line-height:1.4}
.site-footer small{display:block}
.site-footer small:first-child{margin-bottom:6px;font-weight:400}

@media (max-width:900px){
  .grid{grid-template-columns:1fr;}
  .map{height:50vh!important}
}

/* modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(2,6,23,0.5);z-index:1200}
.modal[aria-hidden="false"]{display:flex}
.modal-dialog{background:var(--panel);padding:16px;border-radius:8px;max-width:720px;width:95%;box-shadow:0 6px 24px rgba(16,24,40,0.12)}
.modal-close{position:absolute;right:18px;top:14px;background:none;border:0;font-size:20px}
.modal-section{margin-bottom:12px}
.modal-section pre{background:#f8fafc;padding:8px;border-radius:6px;overflow:auto}
.modal-section ul{margin:0;padding-left:18px}

/* side-panel on large screens */
@media (min-width:900px){
  .modal{align-items:flex-start;padding-top:40px}
  .modal-dialog{max-width:420px;width:38%;height:calc(100% - 80px);overflow:auto;border-radius:10px 0 0 10px;margin-left:auto}
}