/* mining.css — layout for the Chandrapur opencast mine ops dashboard. Brand tokens
   come from engine.css; the pit map (haulage + gas mesh + evacuation relay) is the
   hero panel. Dark, serious mine-safety tone — no ad-hoc colors beyond brand tokens. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bq-bg);
  color: var(--bq-text);
  font-family: var(--bq-font);
  -webkit-font-smoothing: antialiased;
}

.app {
  position: relative;
  min-height: 100vh;
  max-width: 1520px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-x: hidden;
}

/* ---- top bar ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--bq-orange), var(--bq-orange-soft));
  box-shadow: 0 0 18px rgba(232, 106, 16, 0.5);
  flex: 0 0 auto;
}
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.brand-name span { color: var(--bq-orange); }
.brand-sub { font-size: 11px; color: var(--bq-muted); }

.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.site-label { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--bq-muted); }
.clock { font-variant-numeric: tabular-nums; color: var(--bq-muted); font-size: 13px; }
.live-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--bq-ok);
  border: 1px solid rgba(47, 191, 113, 0.4);
  border-radius: 999px; padding: 4px 10px;
}
.live-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--bq-ok);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ---- KPI row ---- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

/* ---- main grid ---- */
.grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-auto-rows: auto;
  gap: 12px;
}
.panel {
  background: var(--bq-panel);
  border: 1px solid var(--bq-border);
  border-radius: 14px;
  padding: 14px 16px;
  min-width: 0;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 10px; flex-wrap: wrap;
}
.panel-head h2 { font-size: 14px; font-weight: 600; margin: 0; }
.panel-hint { font-size: 11px; color: var(--bq-faint); }
.scope { color: var(--bq-muted); font-weight: 400; font-size: 12px; }

.panel-map { grid-column: 1; grid-row: 1 / span 2; padding: 14px 14px 10px; display: flex; flex-direction: column; }
.panel-alerts { grid-column: 2; grid-row: 1; display: flex; flex-direction: column; }
.panel-gauge { grid-column: 2; grid-row: 2; }
.panel-chart { grid-column: 1; grid-row: 3; }
.panel-fleet { grid-column: 2; grid-row: 3; }

.map-wrap { flex: 1 1 auto; min-height: 380px; position: relative; }

.chart-md { width: 100%; height: 190px; }
.chart-gauge { width: 100%; height: 220px; }

.alert-scroll { flex: 1 1 auto; max-height: 240px; overflow-y: auto; }
.device-scroll { max-height: 190px; overflow-y: auto; }

/* actions */
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions-stack { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.actions-stack .btn { width: 100%; }
.btn {
  font-family: inherit; font-size: 12px; font-weight: 600;
  border-radius: 8px; padding: 7px 12px; cursor: pointer;
  border: 1px solid var(--bq-border); background: var(--bq-elevated); color: var(--bq-text);
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--bq-orange); border-color: var(--bq-orange); color: var(--bq-on-accent); }
.btn-primary:hover { background: var(--bq-orange-soft); }
.btn-ghost { background: transparent; color: var(--bq-orange); border-color: var(--bq-orange); }
.btn-ghost:hover { background: rgba(232, 106, 16, 0.12); }

/* legend */
.legend { display: flex; gap: 12px; font-size: 11px; color: var(--bq-muted); flex-wrap: wrap; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

/* ---- responsive: stack cleanly, no horizontal scroll at 375px ---- */
@media (max-width: 1080px) {
  .grid { grid-template-columns: 1fr; }
  .panel-map, .panel-alerts, .panel-gauge, .panel-chart, .panel-fleet {
    grid-column: 1 !important;
    grid-row: auto !important;
  }
  .map-wrap { min-height: 320px; }
}
@media (max-width: 560px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .chart-md { height: 160px; }
  .chart-gauge { height: 190px; }
  .map-wrap { min-height: 260px; }
  .bq-kpi { padding: 12px; overflow: hidden; }
  .bq-kpi .kpi-label { letter-spacing: 0.02em; font-size: 11px; }
  .bq-kpi .kpi-value-row { min-width: 0; }
  .panel-head h2 { font-size: 13px; }
}
@media (max-width: 375px) {
  .app { padding: 10px; }
  .bq-kpi .kpi-value { font-size: 20px; }
  .btn { padding: 6px 10px; }
  .map-wrap { min-height: 220px; }
}