@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg-base: #080b11;
  --bg-surface: #0f1523;
  --bg-card: rgba(18, 25, 41, 0.78);
  --bg-card-hover: rgba(26, 36, 58, 0.88);
  --bg-pill: rgba(255, 255, 255, 0.04);
  --bg-input: rgba(12, 17, 29, 0.85);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 240, 255, 0.4);
  --border-glass: 1px solid var(--border-subtle);

  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.28);
  --accent-purple: #8b5cf6;
  --accent-purple-glow: rgba(139, 92, 246, 0.28);
  --accent-emerald: #00e676;
  --accent-emerald-glow: rgba(0, 230, 118, 0.28);
  --accent-amber: #ffb300;
  --accent-amber-glow: rgba(255, 179, 0, 0.28);
  --accent-rose: #ff3366;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6), 0 0 1px 1px var(--border-subtle);
  --shadow-glow: 0 0 25px -5px var(--accent-cyan-glow);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 12% 12%, rgba(0, 240, 255, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 88% 88%, rgba(139, 92, 246, 0.07) 0%, transparent 45%),
    linear-gradient(to bottom, #080b11, #0c1018);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -60px;
  left: 24px;
  background: var(--accent-cyan);
  color: #080b11;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 99999;
  text-decoration: none;
  box-shadow: var(--shadow-glow);
  transition: top 0.2s ease-in-out;
}

.skip-link:focus {
  top: 16px;
  outline: 3px solid #ffffff;
  outline-offset: 2px;
}

/* WCAG 2.1 AA High-Contrast Focus Indicator */
:focus-visible {
  outline: 2px solid var(--accent-cyan) !important;
  outline-offset: 3px !important;
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .pulse-dot, .sse-dot {
    animation: none !important;
  }
}

/* App Container */
.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 32px 60px 32px;
}

/* Header */
header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  padding: 16px 24px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.brand-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 1px;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--radius-full);
}

.vault-identity-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: var(--bg-pill);
  border: var(--border-glass);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  transition: border-color 0.2s ease;
}

.vault-identity-pill:hover {
  border-color: var(--border-active);
}

.pill-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.vault-id-text {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.btn-copy {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 3px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: color 0.15s ease, transform 0.15s ease;
}

.btn-copy:hover {
  color: var(--accent-cyan);
  transform: scale(1.1);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cluster-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-emerald);
  background: rgba(0, 230, 118, 0.08);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 230, 118, 0.2);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-action.primary {
  background: linear-gradient(135deg, var(--accent-cyan), #00c4d4);
  color: #040810;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

.btn-action.primary:hover {
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
  transform: translateY(-1px);
}

.btn-action.secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-action.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-active);
  color: var(--accent-cyan);
}

.btn-action.small {
  padding: 5px 12px;
  font-size: 0.75rem;
}

.btn-icon-refresh {
  background: var(--bg-pill);
  border: var(--border-glass);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon-refresh:hover {
  color: var(--accent-cyan);
  border-color: var(--border-active);
}

.rotating {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Metrics Ribbon */
.metrics-ribbon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 26px;
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-glow);
}

.metric-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 600;
}

.badge-status-subtle {
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.metric-unit {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.metric-subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.progress-bar-container {
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

/* Tab Navigation */
.tabs-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
  overflow-x: auto;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  font-weight: 600;
}

.tab-badge {
  font-size: 0.7rem;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.tab-btn.active .tab-badge {
  background: rgba(0, 240, 255, 0.2);
  color: var(--accent-cyan);
}

/* Tab Contents */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.section-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.section-subheading {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 3px;
}

.search-bar-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-input);
  border: var(--border-glass);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  width: 320px;
  transition: border-color 0.2s ease;
}

.search-bar-wrap:focus-within {
  border-color: var(--border-active);
}

.search-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  width: 100%;
}

.search-input::placeholder {
  color: var(--text-muted);
}

/* Tab 1: Storage Operators */
.latency-summary-pill {
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: var(--bg-pill);
  border: var(--border-glass);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}

.operators-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.operator-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.operator-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 240, 255, 0.25);
}

.op-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.op-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.op-id {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.badge-online {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(0, 230, 118, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.badge-offline {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 51, 102, 0.12);
  color: var(--accent-rose);
  border: 1px solid rgba(255, 51, 102, 0.3);
}

.op-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.op-meta-label {
  color: var(--text-secondary);
}

.op-meta-val {
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.latency-visualizer-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.card-subheading {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.latency-bars-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.latency-bar-row {
  display: grid;
  grid-template-columns: 100px 1fr 60px;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
}

.latency-bar-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.latency-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

/* Tab 2: Snapshot DAG */
.dag-container {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.dag-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dag-node {
  display: flex;
  gap: 20px;
  position: relative;
  cursor: pointer;
}

.dag-timeline-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 28px;
  flex-shrink: 0;
}

.dag-node-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 3px solid var(--accent-purple);
  z-index: 2;
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dag-node:hover .dag-node-dot {
  transform: scale(1.2);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.6);
  border-color: var(--accent-cyan);
}

.dag-node-dot.head {
  border-color: var(--accent-cyan);
  background: var(--accent-cyan);
  box-shadow: 0 0 14px var(--accent-cyan);
}

.dag-timeline-line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, var(--border-active), rgba(255, 255, 255, 0.05));
  margin-top: 4px;
}

.dag-card {
  flex: 1;
  background: rgba(255, 255, 255, 0.02);
  border: var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  transition: all 0.2s ease;
}

.dag-node:hover .dag-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-active);
  transform: translateX(4px);
}

.dag-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.dag-message {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.dag-time {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.dag-hashes {
  display: flex;
  gap: 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  flex-wrap: wrap;
}

/* Tab 3: Tracked Files Table */
.table-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  padding: 14px 20px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.data-table td {
  padding: 16px 20px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.cli-guide-banner {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.cli-guide-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.85rem;
}

.cli-code-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-input);
  border: var(--border-glass);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
}

.cli-code-pill code {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.85rem;
}

.btn-copy-code {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-copy-code:hover {
  background: var(--accent-cyan);
  color: #040810;
}

/* Tab 4: Arbitrum Anchor */
.anchor-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.formula-box {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
}

.anchor-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.math-verifier-box {
  margin-top: 24px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-sm);
}

.math-verifier-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.verify-result-output {
  margin-top: 12px;
  padding: 12px;
  background: rgba(0, 230, 118, 0.06);
  border: 1px solid rgba(0, 230, 118, 0.3);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-emerald);
}

/* Tab 5: Recovery Card */
.recovery-sheet-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.warning-banner {
  background: rgba(255, 179, 0, 0.08);
  border: 1px solid rgba(255, 179, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--accent-amber);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.recovery-metadata-grid {
  margin-bottom: 24px;
}

.secret-reveal-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 179, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.secret-box-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--accent-amber);
  margin-bottom: 6px;
  font-weight: 600;
}

.secret-key-masked {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  filter: blur(3px);
  transition: filter 0.2s ease;
  user-select: none;
}

.secret-key-revealed {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--accent-amber);
  word-break: break-all;
}

.secret-box-actions {
  display: flex;
  gap: 10px;
}

.btn-toggle-secret {
  background: rgba(255, 179, 0, 0.15);
  border: 1px solid rgba(255, 179, 0, 0.4);
  color: var(--accent-amber);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-toggle-secret:hover {
  background: rgba(255, 179, 0, 0.25);
  transform: translateY(-1px);
}

.btn-copy-secret {
  background: rgba(255, 255, 255, 0.08);
  border: var(--border-glass);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  cursor: pointer;
}

.recovery-drill-guide {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

/* Modals */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
  animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: #0f1523;
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 240, 255, 0.15);
  width: 100%;
  max-width: 580px;
  overflow: hidden;
  animation: modalSlideUp 0.25s ease-out;
}

@keyframes modalSlideUp {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.btn-modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background: var(--bg-input);
  border: var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

.modal-files-summary {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.summary-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.modal-files-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.file-tag {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.25);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
  pointer-events: none;
}

.toast {
  background: #0f1523;
  border: 1px solid rgba(0, 240, 255, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 240, 255, 0.2);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: auto;
  animation: toastSlide 0.25s ease-out;
}

@keyframes toastSlide {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.loading-placeholder {
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 24px;
  text-align: center;
}

/* ============================================================
   L2 Relayer & Arbitrum Inspector Styles
   ============================================================ */
.relayer-status-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(0, 240, 255, 0.08));
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin-bottom: 20px;
}

.relayer-status-info {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.relayer-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-purple);
}

.relayer-network-tag {
  background: rgba(139, 92, 246, 0.18);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.35);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.arbiscan-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-cyan);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.arbiscan-link:hover {
  color: #ffffff;
  text-decoration: underline;
  text-shadow: 0 0 8px var(--accent-cyan);
}

/* ============================================================
   Threshold Guardian Panel Styles
   ============================================================ */
.threshold-controls-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.threshold-input-group {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.select-compact {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font-size: 0.84rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.select-compact:focus {
  border-color: var(--accent-cyan);
}

.quorum-banner-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(15, 21, 35, 0.9));
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin-bottom: 24px;
}

.quorum-visual {
  display: flex;
  align-items: center;
  gap: 16px;
}

.quorum-circle-badge {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.12);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.quorum-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.quorum-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-top: 2px;
  max-width: 600px;
}

.quorum-meta-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.quorum-meta-pill .label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quorum-meta-pill .value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
}

.guardians-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.guardian-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.guardian-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: var(--shadow-card), 0 0 20px rgba(0, 240, 255, 0.15);
}

.guardian-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.guardian-card-header h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.guardian-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.guardian-meta-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.8rem;
}

.guardian-meta-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.guardian-meta-item .key {
  color: var(--text-muted);
}

.guardian-meta-item .val {
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.guardian-card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.simulator-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-card);
}

.simulator-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.simulator-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  outline: none;
  resize: vertical;
  transition: border-color 0.2s ease;
}

.simulator-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.simulation-result {
  margin-top: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  line-height: 1.5;
  animation: fadeIn 0.3s ease;
}

.simulation-result.success {
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.35);
  color: #a7f3d0;
}

.simulation-result.error {
  background: rgba(255, 51, 102, 0.1);
  border: 1px solid rgba(255, 51, 102, 0.35);
  color: #fecdd3;
}

/* ============================================================
   Maintenance Fleet Styles
   ============================================================ */
.fleet-kpi-ribbon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.fleet-kpi-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fleet-kpi-card .kpi-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.fleet-kpi-card .kpi-value {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1.2;
}

.fleet-kpi-card .kpi-subtext {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.fleet-operators-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.fleet-op-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fleet-op-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.fleet-op-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.badge-status-online {
  background: rgba(0, 230, 118, 0.14);
  color: var(--accent-emerald);
  border: 1px solid rgba(0, 230, 118, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 600;
}

.badge-status-offline {
  background: rgba(255, 51, 102, 0.14);
  color: var(--accent-rose);
  border: 1px solid rgba(255, 51, 102, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 600;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Print Styles */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .app-header, .tabs-nav, .metrics-ribbon, .header-actions, .btn-toggle-secret, .btn-copy, .btn-copy-code, .search-bar-wrap {
    display: none !important;
  }
  .tab-content {
    display: none !important;
  }
  #tab-recovery {
    display: block !important;
  }
  .recovery-sheet-card {
    background: #ffffff !important;
    border: 2px solid #000000 !important;
    box-shadow: none !important;
    color: #000000 !important;
  }
  .secret-key-masked {
    filter: none !important;
    color: #000000 !important;
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .metrics-ribbon {
    grid-template-columns: repeat(2, 1fr);
  }
  .operators-grid {
    grid-template-columns: 1fr;
  }
  .anchor-grid-2col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app-container {
    padding: 16px;
  }
  .metrics-ribbon {
    grid-template-columns: 1fr;
  }
  .header-left, .header-right {
    width: 100%;
    justify-content: space-between;
  }
}

/* ==========================================================================
   Real-Time SSE Stream & FastCDC Visual Inspector Styles
   ========================================================================== */

.sse-live-badge {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.25);
  color: var(--accent-cyan);
}

.pulse-dot.sse-dot {
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}

.telemetry-pulse-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.pulse-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.pulse-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.pulse-timestamp {
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.pulse-nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.sse-node-cell {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sse-node-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.sse-node-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-emerald);
}

/* FastCDC Control Card */
.fastcdc-control-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
}

.fastcdc-presets-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.control-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.btn-preset {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-preset:hover {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-1px);
}

.btn-preset.secondary {
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.btn-preset.secondary:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
}

.fastcdc-input-wrap {
  margin-bottom: 16px;
}

.input-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.byte-count-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

.fastcdc-textarea {
  width: 100%;
  background: rgba(10, 14, 22, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.5;
  padding: 12px;
  resize: vertical;
  transition: border-color 0.2s ease;
}

.fastcdc-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.fastcdc-config-row {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
}

.config-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 130px;
}

.config-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.config-input {
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(10, 14, 22, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.config-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* FastCDC Metrics Grid */
.fastcdc-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.fastcdc-metric-box {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  backdrop-filter: blur(12px);
}

.f-metric-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.f-metric-val {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.f-metric-val.highlight-emerald {
  color: var(--accent-emerald);
}

.f-metric-val.highlight-cyan {
  color: var(--accent-cyan);
}

.f-metric-sub {
  font-size: 0.74rem;
  color: var(--text-secondary);
}

/* Chunk Ribbon Visualizer */
.chunk-strip-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
}

.chunk-strip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.chunk-strip-title {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.chunk-strip-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.74rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.legend-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  margin-right: 4px;
}

.dot-low { background: #38bdf8; }
.dot-med { background: #a855f7; }
.dot-high { background: #f59e0b; }
.dot-dup { background: #ef4444; }

.chunk-selection-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-style: italic;
}

.chunk-blocks-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px;
  background: rgba(8, 12, 18, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  min-height: 80px;
  align-items: center;
}

.chunk-placeholder-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  width: 100%;
}

.chunk-block {
  min-width: 44px;
  height: 48px;
  padding: 6px 10px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  user-select: none;
}

.chunk-block:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
  border-color: #ffffff;
  z-index: 10;
}

.chunk-block.selected {
  outline: 2px solid #ffffff;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.6);
}

.chunk-block-low {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.3), rgba(14, 165, 233, 0.15));
  border-color: rgba(56, 189, 248, 0.4);
}

.chunk-block-med {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.3), rgba(139, 92, 246, 0.15));
  border-color: rgba(168, 85, 247, 0.4);
}

.chunk-block-high {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.3), rgba(217, 119, 6, 0.15));
  border-color: rgba(245, 158, 11, 0.4);
}

.chunk-block-dup {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.35), rgba(185, 28, 28, 0.2));
  border-color: rgba(239, 68, 68, 0.5);
}

.chunk-block-idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #ffffff;
}

.chunk-block-sz {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.75);
}

/* Chunk Deep Detail Card */
.chunk-detail-card {
  background: var(--bg-card);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  backdrop-filter: blur(12px);
  animation: fadeIn 0.25s ease-out;
}

.chunk-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.chunk-detail-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.chunk-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.detail-cell {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.detail-cell.full-width {
  grid-column: 1 / -1;
}

.detail-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.detail-val {
  font-size: 0.88rem;
  color: var(--text-primary);
}

.detail-val.font-mono {
  font-family: var(--font-mono);
  word-break: break-all;
}

.detail-val.highlight-cyan {
  color: var(--accent-cyan);
}

.entropy-meter-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.entropy-meter-bar {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.entropy-meter-fill {
  height: 100%;
  background: linear-gradient(90deg, #38bdf8, #a855f7, #f59e0b);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.detail-preview-box {
  background: rgba(8, 12, 18, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
  max-height: 120px;
  overflow-y: auto;
}

.badge-fastcdc-algo, .badge-fastcdc-mask {
  border-color: rgba(0, 240, 255, 0.3);
  color: var(--accent-cyan);
}

/* ==========================================================================
   10x Enhanced Features: Quorum Topology, Diff Viewer, Drawer & Terminal
   ========================================================================== */

/* Geographic Quorum Topology Map */
.quorum-topology-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.topology-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.topology-subtext {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.quorum-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-emerald);
}

.topology-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.region-card {
  flex: 1;
  min-width: 280px;
  background: rgba(12, 17, 29, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.region-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-active);
}

.region-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.region-instances {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.instance-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.instance-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
}

.status-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.status-indicator-dot.offline {
  background: var(--accent-rose);
  box-shadow: 0 0 8px var(--accent-rose);
}

.zone-tag {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  padding: 2px 6px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  border-radius: 4px;
}

.instance-ip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.instance-ping {
  font-size: 0.78rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

.topology-pipe {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
}

.pipe-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  position: relative;
}

.pipe-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* Secret Revision Diff Viewer */
.diff-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.diff-selector-group {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(12, 17, 29, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
}

.diff-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.diff-select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  cursor: pointer;
  outline: none;
}

.diff-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.diff-vs {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  padding: 0 4px;
}

.diff-kpi-ribbon {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.diff-kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.diff-kpi-card.added { border-left: 4px solid var(--accent-emerald); }
.diff-kpi-card.modified { border-left: 4px solid var(--accent-amber); }
.diff-kpi-card.removed { border-left: 4px solid var(--accent-rose); }
.diff-kpi-card.neutral { border-left: 4px solid var(--accent-cyan); }

.diff-kpi-val {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.diff-kpi-card.added .diff-kpi-val { color: var(--accent-emerald); }
.diff-kpi-card.modified .diff-kpi-val { color: var(--accent-amber); }
.diff-kpi-card.removed .diff-kpi-val { color: var(--accent-rose); }
.diff-kpi-card.neutral .diff-kpi-val { color: var(--accent-cyan); }

.diff-kpi-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.diff-results-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.diff-placeholder {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-card);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.diff-file-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.diff-file-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: rgba(12, 17, 29, 0.85);
  border-bottom: 1px solid var(--border-subtle);
}

.diff-file-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.diff-file-badges {
  display: flex;
  gap: 8px;
}

.diff-badge-add {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-emerald);
  background: rgba(0, 230, 118, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
}

.diff-badge-mod {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-amber);
  background: rgba(255, 179, 0, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
}

.diff-badge-rem {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-rose);
  background: rgba(255, 51, 102, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
}

.diff-lines-wrap {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 8px 0;
  background: rgba(8, 12, 20, 0.9);
}

.diff-line {
  display: flex;
  align-items: center;
  padding: 4px 18px;
  gap: 12px;
  transition: background 0.1s ease;
}

.diff-line:hover {
  background: rgba(255, 255, 255, 0.04);
}

.diff-line.added {
  background: rgba(0, 230, 118, 0.08);
  border-left: 3px solid var(--accent-emerald);
}

.diff-line.modified {
  background: rgba(255, 179, 0, 0.08);
  border-left: 3px solid var(--accent-amber);
}

.diff-line.removed {
  background: rgba(255, 51, 102, 0.08);
  border-left: 3px solid var(--accent-rose);
}

.diff-symbol {
  width: 14px;
  font-weight: 700;
}

.diff-line.added .diff-symbol { color: var(--accent-emerald); }
.diff-line.modified .diff-symbol { color: var(--accent-amber); }
.diff-line.removed .diff-symbol { color: var(--accent-rose); }

.diff-key {
  color: #e2e8f0;
  font-weight: 600;
}

.diff-val-masked {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Slide-out Snapshot Drawer */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 520px;
  max-width: 90vw;
  height: 100vh;
  background: rgba(15, 21, 35, 0.97);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-left: 1px solid var(--border-subtle);
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.7);
  z-index: 9999;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.drawer.drawer-open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

.drawer-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 4px;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Collapsible Cyberpunk Live Terminal Console */
.terminal-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background: rgba(8, 12, 20, 0.98);
  border-top: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.8);
  transition: max-height 0.3s ease;
}

.terminal-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 24px;
  cursor: pointer;
  background: rgba(12, 18, 30, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-bar-header:hover {
  background: rgba(18, 26, 44, 0.95);
}

.terminal-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.terminal-icon {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-cyan);
}

.terminal-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.badge-terminal-live {
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(0, 230, 118, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(0, 230, 118, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.terminal-bar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.terminal-event-counter {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.btn-terminal-toggle {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px;
}

.terminal-content {
  padding: 14px 24px 18px 24px;
}

.terminal-logs {
  height: 180px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: #05080e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.terminal-line {
  color: #94a3b8;
  word-break: break-all;
}

.terminal-line.system-line {
  color: var(--accent-cyan);
}

.terminal-line.success-line {
  color: var(--accent-emerald);
}

.terminal-line.error-line {
  color: var(--accent-rose);
}

.terminal-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.terminal-prompt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.terminal-input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: #090e17;
  color: var(--text-primary);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 6px;
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.2s ease;
}

.terminal-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.btn-terminal-exec {
  background: var(--accent-cyan);
  color: #080b11;
  border: none;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-terminal-exec:hover {
  background: #38bdf8;
}

/* Toast Notifications Stack */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: rgba(18, 25, 41, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  min-width: 300px;
  max-width: 420px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  gap: 4px;
  animation: toastSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast.success { border-left: 4px solid var(--accent-emerald); }
.toast.error { border-left: 4px solid var(--accent-rose); }
.toast.info { border-left: 4px solid var(--accent-cyan); }

.toast-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toast-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.toast-message {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--accent-cyan);
  width: 100%;
  animation: toastCountdown linear forwards;
}

.toast.success .toast-progress { background: var(--accent-emerald); }
.toast.error .toast-progress { background: var(--accent-rose); }

@keyframes toastCountdown {
  from { width: 100%; }
  to { width: 0%; }
}

/* Keyboard Shortcuts */
.shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  font-size: 0.85rem;
}

kbd {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Suggestion Pills */
.suggestion-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.pill-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pill-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.pill-btn:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}