/* M8 — Az Signal Hub design system (dark premium terminal) */
:root {
  --az8-bg: #0b1220;
  --az8-surface: #111827;
  --az8-surface2: #1a2235;
  --az8-border: #1e2d45;
  --az8-text: #e2e8f0;
  --az8-muted: #94a3b8;
  --az8-accent: #60a5fa;
  --az8-buy: #22c55e;
  --az8-sell: #ef4444;
  --az8-warn: #f59e0b;
  --az8-radius: 12px;
  --az8-radius-sm: 8px;
  --az8-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --az8-font: Inter, system-ui, -apple-system, sans-serif;
  --az8-mono: "JetBrains Mono", ui-monospace, monospace;
}

/* Page shell */
.az8-page-header { margin-bottom: 24px; }
.az8-page-header h1 { font-size: clamp(22px, 4vw, 28px); font-weight: 700; margin: 0 0 6px; letter-spacing: -0.02em; }
.az8-page-header .sub { color: var(--az8-muted); font-size: 14px; line-height: 1.5; margin: 0; }
.az8-build-label { font-size: 9px; font-weight: 700; letter-spacing: 0.08em; color: var(--az8-muted); text-transform: uppercase; padding: 3px 8px; border: 1px solid var(--az8-border); border-radius: 999px; }

/* KPI row */
.az8-kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 20px; }
.az8-kpi { background: var(--az8-surface); border: 1px solid var(--az8-border); border-radius: var(--az8-radius-sm); padding: 14px; text-align: center; }
.az8-kpi .val { font-size: 22px; font-weight: 700; color: var(--az8-accent); font-variant-numeric: tabular-nums; }
.az8-kpi .lbl { font-size: 10px; color: var(--az8-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.06em; }

/* Signal card — client standard */
.az8-sig-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.az8-sig-card {
  background: linear-gradient(165deg, var(--az8-surface2) 0%, var(--az8-surface) 100%);
  border: 1px solid var(--az8-border);
  border-radius: var(--az8-radius);
  padding: 16px;
  box-shadow: var(--az8-shadow);
  transition: border-color 0.15s ease;
}
.az8-sig-card:hover { border-color: rgba(96, 165, 250, 0.35); }
.az8-sig-card.buy { border-left: 3px solid var(--az8-buy); }
.az8-sig-card.sell { border-left: 3px solid var(--az8-sell); }
.az8-sig-card.conflict { border-left: 3px solid var(--az8-warn); background: rgba(245, 158, 11, 0.04); }
.az8-sig-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.az8-sig-badges { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.az8-sig-side { font-size: 14px; font-weight: 700; white-space: nowrap; }
.az8-sig-side.buy { color: var(--az8-buy); }
.az8-sig-side.sell { color: var(--az8-sell); }
.az8-sig-side.conflict { color: var(--az8-warn); }
.az8-sig-symbol { font-size: 20px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.02em; }
.az8-sig-symbol .tf { font-size: 13px; font-weight: 500; color: var(--az8-muted); margin-left: 6px; }
.az8-sig-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; margin-bottom: 10px; }
.az8-sig-meta .k { font-size: 9px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--az8-muted); margin-bottom: 2px; }
.az8-sig-meta .v { font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
.az8-sig-risk { font-size: 11px; color: #fbbf24; margin: 8px 0; line-height: 1.4; }
.az8-sig-exit { font-size: 11px; color: var(--az8-muted); margin-bottom: 10px; }
.az8-sig-footer { font-size: 9px; color: var(--az8-warn); padding-top: 10px; border-top: 1px solid var(--az8-border); line-height: 1.5; }

/* Badges */
.az8-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 7px;
  border-radius: 4px;
  text-transform: uppercase;
}
.az8-badge.strategy { background: rgba(96, 165, 250, 0.12); color: #93c5fd; border: 1px solid rgba(96, 165, 250, 0.25); }
.az8-badge.consensus { background: rgba(148, 163, 184, 0.1); color: #cbd5e1; border: 1px solid var(--az8-border); }
.az8-badge.signal { background: rgba(245, 158, 11, 0.1); color: #fde68a; border: 1px solid rgba(245, 158, 11, 0.25); }
.az8-badge.no-order { background: rgba(239, 68, 68, 0.08); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.2); }
.az8-badge.advice { background: rgba(148, 163, 184, 0.08); color: #94a3b8; border: 1px solid var(--az8-border); }
.az8-badge.modelled { background: rgba(96, 165, 250, 0.08); color: #93c5fd; border: 1px solid rgba(96, 165, 250, 0.2); }
.az8-badge.stars { background: transparent; color: #fbbf24; font-size: 11px; padding: 0; border: none; letter-spacing: 1px; }

/* Empty / error / loading */
.az8-empty, .az8-error, .az8-loading {
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--az8-radius);
  border: 1px dashed var(--az8-border);
  background: rgba(17, 24, 39, 0.5);
}
.az8-empty-icon { font-size: 28px; opacity: 0.25; margin-bottom: 10px; line-height: 1; }
.az8-empty-title { font-size: 14px; font-weight: 600; color: var(--az8-text); margin-bottom: 6px; }
.az8-empty-msg { font-size: 12px; color: var(--az8-muted); line-height: 1.5; max-width: 420px; margin: 0 auto; }
.az8-error { border-color: rgba(239, 68, 68, 0.35); background: rgba(239, 68, 68, 0.05); }
.az8-error .az8-empty-title { color: #fca5a5; }
.az8-loading { border-style: solid; }
.az8-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--az8-border);
  border-top-color: var(--az8-accent);
  border-radius: 50%;
  animation: az8-spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
@keyframes az8-spin { to { transform: rotate(360deg); } }

/* Forms (login, etc.) */
.az8-form-card {
  width: min(420px, 92vw);
  background: var(--az8-surface);
  border: 1px solid var(--az8-border);
  border-radius: var(--az8-radius);
  padding: 32px 28px;
  box-shadow: var(--az8-shadow);
}
.az8-form-center { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; background: var(--az8-bg); font-family: var(--az8-font); color: var(--az8-text); }
.az8-label { display: block; font-size: 11px; font-weight: 600; color: var(--az8-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.04em; }
.az8-input {
  width: 100%;
  padding: 11px 12px;
  border-radius: var(--az8-radius-sm);
  border: 1px solid #334155;
  background: #0f172a;
  color: var(--az8-text);
  font-size: 14px;
  margin-bottom: 14px;
  font-family: inherit;
}
.az8-input:focus { outline: none; border-color: var(--az8-accent); box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.15); }
.az8-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 22px;
  border-radius: var(--az8-radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  font-family: inherit;
}
.az8-btn-primary { background: #3b82f6; color: #fff; width: 100%; }
.az8-btn-primary:hover { background: #2563eb; }
.az8-form-err { color: #f87171; font-size: 12px; min-height: 18px; margin-top: 10px; }
.az8-form-links { margin-top: 18px; font-size: 12px; text-align: center; color: var(--az8-muted); }
.az8-form-links a { color: var(--az8-accent); text-decoration: none; }

/* Sub-nav (TL2 client tabs) */
.az8-subnav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.az8-subnav-btn {
  font-size: 11px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--az8-border);
  background: transparent;
  color: var(--az8-muted);
  cursor: pointer;
  font-family: inherit;
}
.az8-subnav-btn.active { background: rgba(96, 165, 250, 0.12); border-color: rgba(96, 165, 250, 0.4); color: #93c5fd; }

/* Hub integration — map az8 cards into main grid */
.display-signals-grid .az8-sig-card { height: 100%; }

/* Responsive */
@media (max-width: 768px) {
  .m2-nav, .m2-cta-row { justify-content: center; }
  .m2-tier-grid { grid-template-columns: 1fr; }
  .az8-sig-meta { grid-template-columns: 1fr; }
  .m5-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .m5-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .topbar-tabs { overflow-x: auto; }
}

@media (max-width: 480px) {
  .m2-wrap { padding: 16px 12px 32px; }
  .az8-form-card { padding: 24px 20px; }
}