:root {
  --bg: #000000;
  --panel-bg: #050805;
  --green: #33ff66;
  --green-dim: #1a8f3c;
  --amber: #ffb347;
  --red: #ff4d4d;
  --border: #1f3d26;
  --text: #b8ffcf;
  --muted: #4d8a5f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Mono", "Fira Mono", "Consolas", "Courier New", monospace;
  font-size: 13px;
  overflow: hidden;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* subtle scanlines over everything */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 2px,
    rgba(51, 255, 102, 0.02) 3px, rgba(51, 255, 102, 0.02) 4px
  );
  z-index: 9999;
}

#topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-bg);
  flex: none;
}
.brand { color: var(--green); font-weight: bold; letter-spacing: 2px; }
.cursor { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.topbar-right { display: flex; align-items: center; gap: 12px; }
.utc-clock { color: var(--amber); }

.btn {
  background: transparent;
  border: 1px solid var(--green-dim);
  color: var(--green);
  font: inherit;
  padding: 3px 10px;
  cursor: pointer;
  letter-spacing: 1px;
}
.btn:hover { background: rgba(51, 255, 102, 0.1); border-color: var(--green); }
.btn.live { color: var(--amber); border-color: var(--amber); }

.status { color: var(--muted); min-width: 120px; text-align: right; }
.status.err { color: var(--red); }

#canvas { position: relative; flex: 1; overflow: hidden; }

.panel {
  position: absolute;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  box-shadow: 0 0 12px rgba(51, 255, 102, 0.06), inset 0 0 40px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  min-width: 220px;
  min-height: 140px;
}
.panel.dragging { border-color: var(--amber); z-index: 100; opacity: 0.92; }

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 10px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to bottom, rgba(51,255,102,0.07), transparent);
  color: var(--green);
  cursor: grab;
  user-select: none;
  letter-spacing: 1px;
  flex: none;
}
.panel-head:active { cursor: grabbing; }
.drag-hint { color: var(--muted); }

.panel-body { flex: 1; overflow: auto; padding: 8px; position: relative; }

.resize-handle {
  position: absolute;
  right: 0; bottom: 0;
  width: 14px; height: 14px;
  cursor: nwse-resize;
  background: linear-gradient(135deg, transparent 50%, var(--green-dim) 50%);
}

/* majors table */
#majors-table { width: 100%; border-collapse: collapse; }
#majors-table th {
  text-align: right; color: var(--muted); font-weight: normal;
  border-bottom: 1px solid var(--border); padding: 2px 6px;
}
#majors-table th:first-child, #majors-table td:first-child { text-align: left; }
#majors-table td { text-align: right; padding: 3px 6px; white-space: nowrap; }
#majors-table tr:nth-child(even) td { background: rgba(51,255,102,0.03); }
#majors-table .sym { color: var(--amber); }
.up { color: var(--green); }
.down { color: var(--red); }

/* heatmap */
#heatmap { position: relative; width: 100%; height: 100%; min-height: 120px; }
.tile {
  position: absolute;
  border: 1px solid #000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  text-align: center;
  color: #eaffea;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}
.tile .t-name { font-weight: bold; font-size: 12px; }
.tile .t-pct { font-size: 11px; }

/* chart */
#panel-chart .panel-body { padding: 4px; overflow: hidden; }
#btc-chart { width: 100%; height: 100%; display: block; }

/* overview */
.overview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat { border: 1px solid var(--border); padding: 8px; }
.stat-label { color: var(--muted); font-size: 11px; letter-spacing: 1px; }
.stat-value { color: var(--green); font-size: 18px; margin-top: 4px; }
.gauge-stat { grid-column: span 2; text-align: center; }
#fg-gauge { display: block; margin: 4px auto 0; }

/* sessions */
.session {
  border: 1px solid var(--border);
  padding: 8px 10px;
  margin-bottom: 8px;
}
.session-top { display: flex; justify-content: space-between; }
.session-name { color: var(--amber); letter-spacing: 1px; }
.session-time { color: var(--text); }
.session-cities { color: var(--muted); font-size: 11px; margin-top: 2px; }
.activity-bar {
  height: 6px; margin-top: 6px;
  background: #0a140c; border: 1px solid var(--border);
}
.activity-fill { height: 100%; background: var(--green-dim); }
.session.hot { border-color: var(--green); box-shadow: 0 0 8px rgba(51,255,102,0.25); }
.session.hot .activity-fill { background: var(--green); }
.session.hot .session-name::after { content: " ◉ MOST ACTIVE"; color: var(--green); }