/* ================== Dark Theme Vars (SOLID COLORS) ================== */
:root{
  --bg-900:#0b0f14;     /* canvas */
  --bg-800:#0f1722;     /* surface base */
  --card-800:#121826;   /* card base */
  --card-700:#151d2b;   /* card hover */
  --border-600:#1e293b; /* borders */
  --shadow: 0 10px 30px rgba(0,0,0,.45);

  --text-900:#f8fafc;   /* almost white */
  --text-700:#e5e7eb;
  --text-500:#cbd5e1;
  --muted:#94a3b8;

  /* SOLID ACCENTS */
  --cyan:#06b6d4;
  --blue:#3b82f6;
  --purple:#8b5cf6;
  --magenta:#ec4899;
  --green:#22c55e;
  --yellow:#eab308;
  --red:#c41e3a;
}

/* ================== Reset/Base ================== */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color: var(--text-700);
  background: var(--bg-900); /* solid blackish background */
}

/* ================== Top Bar ================== */
.topbar{
  position: sticky; top:0; z-index:10;
  background: #0b1220; /* solid */
  border-bottom: 2px solid var(--border-600);
  display:flex; align-items:center; justify-content:space-between;
  padding: 10px 18px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.logo{ width:180px; height:auto; display:block; }
.brand-text .title{ font-weight:900; letter-spacing:.02em; color:var(--text-900) }
.brand-text .subtitle{ color:var(--muted); font-size:.85rem }
.pill{
  padding:6px 10px; border-radius:999px; font-weight:800; font-size:.8rem; letter-spacing:.02em;
  border:2px solid var(--border-600);
}
.pill-green{ color:#0f172a; background: var(--green); }

/* ================== Layout ================== */
.dashboard{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;  /* UPDATED: 3 columns */
  gap:18px;
  padding:18px;
}

.card{
  background: var(--card-800);
  border: 2px solid var(--border-600);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.card:hover{ background: var(--card-700); }
.card.wide{ grid-column: span 3; } /* span full width in 3-col grid */

.card h3{ margin:0 0 10px; color: var(--text-900); letter-spacing:.02em }
.card h4{ margin:6px 0; color: var(--text-700); }
.muted{ color: var(--muted); font-weight:500 }

.big-number{
  font-size: 44px;
  font-weight: 900;
  letter-spacing: .02em;
  color: #fff;
}

.card-head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:12px;
}

.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.stack{ display:flex; flex-direction:column; gap:12px; }
.viz-card{ display:flex; align-items:center; justify-content:center; min-height:320px; }

/* ================== Lists ================== */
ul{ list-style:none; padding-left:0; margin:6px 0; }
ul li{ padding:2px 0; color: var(--text-500) }

/* ================== Status badges / quality ================== */
.badge{
  display:inline-block; padding:2px 10px; border-radius:10px; font-size:.75rem; font-weight:900;
  letter-spacing:.02em; border:2px solid var(--border-600);
}
.badge.green{ background: var(--green); color:#0b1220; }
.badge.magenta{ background: var(--red); color:#ffffff; }

.quality{ font-weight:900; }
.quality.good{ color: var(--green) }
.quality.ok{ color: var(--yellow) }
.quality.bad{ color: #fb7185 }
.quality.terrible{ color: #ef4444 }
.quality.unk{ color: var(--muted) }

/* ================== Node Status ================== */
.node-status-list{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap:14px;
}

.node-card{
  background: #0f1722;
  border:2px solid var(--border-600);
  border-radius:12px;
  padding:12px;
}
.node-head{ font-weight:900; margin-bottom:6px; color:#e2e8f0 }
.node-meta{ color: var(--text-500); margin-bottom:8px }
.node-charts{ display:grid; gap:10px }
.node-charts canvas{ width: 100%; height: 220px; }

.capacity-list{ margin:0; }
.capacity-list li{ font-weight:900; margin:2px 0; color:#e5e7eb }
.capacity-key{ font-weight:900; }
.key-purple{ color: var(--purple); }
.key-blue{ color: var(--blue); }
.key-cyan{ color: var(--cyan); }
.capacity-value{ font-weight:900; }
.val-green{ color: var(--green); }
.val-yellow{ color: var(--yellow) }

.cap-box{
  background: #0c1422;
  border:2px solid var(--border-600);
  padding:8px;
  border-radius:10px;
}

/* ================== Bar chart card ================== */
.bar-chart-wrap{ height:260px; margin-top:8px }

/* ================== Conferences ================== */
#conferenceSections, #endedSections{
  display:flex; flex-wrap:wrap; gap:12px; align-content:flex-start;
}
.conference-tile{
  background: #0f1722;
  border:2px solid var(--border-600);
  border-radius:12px;
  padding:12px;
  box-shadow: 0 6px 20px rgba(0,0,0,.3);
  flex: 0 1 360px;
}
.conference-tile h4{ color: var(--purple); }         /* purple headings */
.conference-group{
  border:2px solid var(--border-600);
  border-radius:14px;
  background: #0f1722;
  padding:14px;
  margin:12px 0;
}
.group-header{
  display:flex; align-items:center; justify-content:space-between; gap:8px; margin-bottom:10px
}
.group-header h4{ margin:0; font-size:18px; color: var(--blue) }  /* blue group titles */
.group-header .meta{ margin:0; color: var(--muted); font-size:12px }
.sub-tiles{ display:grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap:12px }

/* ================== Responsive ================== */
@media (max-width: 1200px){
  .dashboard{ grid-template-columns: 1fr 1fr; }
  .card.wide{ grid-column: span 2; }
}
@media (max-width: 780px){
  .dashboard{ grid-template-columns: 1fr; }
  .card.wide{ grid-column: span 1; }
  .logo{ width:160px; }
}

/* ====== Licensing panel & gauges ====== */
.lic-header{
  display:flex; align-items:center; gap:8px;
}
.lic-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap:12px;
}

.lic-gauge{
  background:#0f1722;
  border:2px solid var(--border-600);
  border-radius:12px;
  padding:10px;
  display:flex; gap:10px; align-items:center;
}

.lic-tube{
  position:relative;
  width:28px;
  height:120px;
  border:2px solid var(--border-600);
  border-radius:16px;
  background:#0b1220;
  overflow:hidden;
  flex: 0 0 auto;
}
.lic-fill{
  position:absolute;
  left:0; bottom:0; width:100%;
}
.lic-mark{
  position:absolute;
  left:-6px;
  width:40px;
  height:2px;
  background:#64748b;
  opacity:.5;
}

.lic-meta{ display:flex; flex-direction:column; gap:2px; }
.lic-label{ font-weight:900; letter-spacing:.02em; color:#e5e7eb; }
.lic-count{ color:var(--text-500); }
.lic-count .count{ color:#e5e7eb; font-weight:800 }
.lic-count .total{ color:#cbd5e1; }
.lic-pct{ font-size:.85rem; font-weight:800; color:#94a3b8; }