:root {
  /* QuantSignals "Cyberpunk Professional" Theme */
  --bg-deep: #080A0C;
  --bg-sub: #0f172a;
  --panel-bg: rgba(13, 17, 23, 0.8);
  --panel-border: rgba(148, 163, 184, 0.15);

  --text-main: #FAFAFA;
  --text-muted: #94a3b8;

  --brand: #A4DE4B;
  /* QS Lime Green */
  --secondary: #4B8BFF;
  /* QS Cobalt Blue */
  --accent-glow: rgba(164, 222, 75, 0.15);

  --success: #A4DE4B;
  --warning: #facc15;
  --danger: #FF4B4B;
  --info: #4B8BFF;

  --radius: 12px;
  --font-main: 'Space Grotesk', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-main);
  color: var(--text-main);
  background: var(--bg-deep);
  background-image:
    radial-gradient(circle at 10% 20%, rgba(75, 139, 255, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(164, 222, 75, 0.05) 0%, transparent 40%);
}

.deck {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px;
  display: grid;
  gap: 20px;
}

/* Glass Panels */
.panel {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* Typography */
h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-main);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.eyebrow {
  color: var(--brand);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 4px;
}

/* Hero Section */
.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 20px;
}

.qs-logo {
  height: 54px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(164, 222, 75, 0.3));
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  color: #fff;
}

.subtitle {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.hero-meta {
  text-align: right;
  font-family: var(--font-main);
}

.pulse-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--success);
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
  /* Added glow */
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(164, 222, 75, 0.7);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(164, 222, 75, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(164, 222, 75, 0);
  }
}

/* Controls */
.controls {
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-main);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn.small {
  padding: 4px 10px;
  font-size: 0.75rem;
}

.btn.x-small {
  padding: 2px 6px;
  font-size: 0.7rem;
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-start {
  border-color: var(--success);
  color: var(--success);
  box-shadow: 0 0 10px rgba(52, 211, 153, 0.1);
}

.btn-start:hover {
  background: rgba(52, 211, 153, 0.1);
}

.btn-stop {
  border-color: var(--danger);
  color: var(--danger);
}

.btn-stop:hover {
  background: rgba(248, 113, 113, 0.1);
}

/* Cards */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 4px solid var(--panel-border);
}

.card h3 {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
}

.card .big {
  font-size: 2rem;
  margin: 8px 0;
  color: #fff;
}

.card .muted {
  font-size: 0.85rem;
  opacity: 0.7;
}

.status-card.good {
  border-left-color: var(--success);
}

.status-card.warn {
  border-left-color: var(--warning);
}

.status-card.bad {
  border-left-color: var(--danger);
}

/* Details Grid */
.grid-details {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 20px;
}

.detail {
  padding: 24px;
}

.state-list {
  margin-top: 16px;
}

.state-list div {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-family: var(--font-main);
}

.state-list dt {
  color: var(--text-muted);
}

/* Terminal & Logs */
pre.terminal {
  background: #000;
  border: 1px solid #333;
  padding: 16px;
  border-radius: 8px;
  color: #a3e635;
  /* Lime for logs */
  font-family: 'Menlo', 'Monaco', monospace;
  font-size: 0.85rem;
  overflow-y: auto;
  max-height: 400px;
  white-space: pre-wrap;
}

.markdown-view {
  background: rgba(0, 0, 0, 0.2);
  padding: 16px;
  border-radius: 8px;
  max-height: 400px;
  overflow-y: auto;
}

/* Tabs & Terminal V2 */
.terminal-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-top: 2px solid var(--secondary);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--panel-border);
}

.tabs {
  display: flex;
  gap: 4px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 16px;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
  background: rgba(251, 191, 36, 0.05);
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.terminal-container {
  background: #020617;
  flex: 1;
  position: relative;
  min-height: 300px;
}

.terminal-v2 {
  margin: 0;
  padding: 20px;
  width: 100%;
  height: 400px;
  overflow-y: auto;
  font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #a3e635;
  /* Default lime */
  white-space: pre-wrap;
  scrollbar-width: thin;
  scrollbar-color: var(--brand-dim) transparent;
}

#engineLog {
  color: #cbd5e1;
  /* Engine is cleaner white/slate */
}

#engineLog:empty::before {
  content: "(waiting for engine...)";
  opacity: 0.4;
}

#logText {
  color: #34d399;
  /* History is emerald */
}

.debug-log {
  color: #94a3b8;
  font-size: 0.75rem;
  background: #000;
}

.toggle.small {
  font-family: var(--font-main);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Utils */
.hidden {
  display: none;
}

select {
  background: #0f172a;
  color: #fff;
  border: 1px solid var(--panel-border);
  padding: 4px 8px;
  border-radius: 4px;
}