/* DogeSim - Dogecoin Full Node and Miner Simulation */

:root {
  /* DogelyChain-aligned palette (dogelychain.com) */
  --doge-gold: #FFCC33;
  --doge-dark: #e6b800;
  --accent: #00d4aa;
  --accent-dark: #00a884;
  --ltc-blue: var(--accent-dark);
  --ltc-light: var(--accent);
  --bg-deep: #0a0a0a;
  --bg-card: rgba(26, 26, 26, 0.85);
  --bg-elevated: rgba(26, 26, 26, 0.95);
  --border: rgba(255, 204, 51, 0.15);
  --border-strong: rgba(255, 204, 51, 0.28);
  --text: #ffffff;
  --text-muted: #cccccc;
  --link: var(--doge-gold);
  --link-hover: var(--accent);
  --success: #00d4aa;
  --warning: #ff9800;
  --danger: #f85149;
  --radius: 20px;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 25px 50px rgba(0, 0, 0, 0.4);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: "Comic Neue", "Comic Sans MS", cursive, sans-serif;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(255, 204, 51, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(255, 204, 51, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--link);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

a:visited {
  color: var(--doge-gold);
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.app {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
  overflow-x: hidden;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

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

.header-logos {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-logos img.site-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 12px;
}

.header-logos .link-icon {
  color: var(--text-muted);
  font-size: 20px;
}

.header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--doge-gold) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header h1 span {
  -webkit-text-fill-color: var(--text-muted);
  background: none;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 1rem;
  display: block;
}

.header-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
  max-width: 480px;
  line-height: 1.4;
}

.data-source-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  font-size: 0.75rem;
  max-width: 100%;
  cursor: pointer;
}

.data-source-badge .material-icons {
  font-size: 18px;
  color: var(--text-muted);
}

.data-source-badge strong {
  display: block;
  color: var(--text);
  font-size: 0.78rem;
}

.data-source-badge small {
  color: var(--text-muted);
  font-size: 0.7rem;
}

.data-source-badge.mode-live.core-online {
  border-color: rgba(0, 212, 170, 0.45);
  background: rgba(0, 212, 170, 0.08);
}

.data-source-badge.mode-live.core-online .material-icons {
  color: var(--accent);
}

.data-source-badge.mode-live:not(.core-online) .material-icons {
  color: var(--doge-gold);
}

.data-source-badge.mode-simulated .material-icons {
  color: var(--warning);
}

.hero-stat small {
  display: block;
  font-size: 0.65rem;
  color: var(--accent);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.chain-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn .material-icons {
  font-size: 20px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--doge-gold) 0%, #ffd700 100%);
  color: #1a1a1a;
  box-shadow: 0 4px 16px rgba(255, 204, 51, 0.35);
}

.btn-primary:hover {
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-danger {
  background: rgba(248, 81, 73, 0.15);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

/* Grid Layout */
.grid {
  display: grid;
  gap: 20px;
}

.grid-metrics {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.grid-main {
  grid-template-columns: 1fr 1fr;
}

.grid-main > .card {
  min-width: 0;
}

.grid-charts {
  grid-template-columns: repeat(3, 1fr);
}

.grid-charts > *,
.grid-charts-2 > *,
.grid-main > *,
.insights-charts > *,
.section-gap > * {
  min-width: 0;
}

.card {
  min-width: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.insight-chart-card,
.era-compare-card,
.chart-card-contained {
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

.grid-charts-2 {
  grid-template-columns: 1fr 1fr;
}

.chart-wide {
  grid-column: span 1;
}

@media (min-width: 1101px) {
  .section-gap .grid-charts:first-of-type {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1100px) {
  .grid-main,
  .grid-charts,
  .grid-charts-2 {
    grid-template-columns: 1fr;
  }
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--doge-gold);
}

.card h2 .material-icons {
  font-size: 22px;
}

/* Metric Cards */
.metric-card {
  text-align: center;
  padding: 18px 14px;
}

.metric-card .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.metric-card .value {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--doge-gold) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-card .sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Protection Bar */
.protection-section {
  margin-top: 12px;
}

.protection-bar-track {
  height: 10px;
  background: var(--bg-elevated);
  border-radius: 5px;
  overflow: hidden;
  margin: 8px 0;
}

.protection-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.5s ease;
}

.protection-fill.low { background: var(--danger); }
.protection-fill.medium { background: var(--warning); }
.protection-fill.high { background: var(--success); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge.ok {
  background: rgba(63, 185, 80, 0.15);
  color: var(--success);
}

.badge.warn {
  background: rgba(210, 153, 34, 0.15);
  color: var(--warning);
}

/* Controls */
.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.control-full {
  grid-column: 1 / -1;
}

.control-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.4;
}

.insight-box {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--bg-elevated);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.insight-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.insight-box p:last-child {
  margin-bottom: 0;
}

.truth-line {
  color: var(--ltc-light) !important;
  font-weight: 700;
}

.verify-line {
  color: var(--doge-gold) !important;
  font-size: 0.8rem !important;
}

@media (max-width: 700px) {
  .controls-grid {
    grid-template-columns: 1fr;
  }
}

.control-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.control-group label .material-icons {
  font-size: 16px;
}

select,
input[type="range"] {
  width: 100%;
  font-family: inherit;
}

select {
  padding: 10px 12px;
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-radius: 10px;
  border: 1px solid var(--border);
  gap: 16px;
}

#auxpow-status {
  font-size: 0.8rem;
  color: var(--ltc-light);
  margin-top: 6px;
}

/* Modern switch toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch .slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #3d444d;
  border-radius: 28px;
  transition: background 0.25s, box-shadow 0.25s;
  border: 1px solid var(--border);
}

.switch .slider::before {
  content: "";
  position: absolute;
  height: 22px;
  width: 22px;
  left: 2px;
  bottom: 2px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.25s, background 0.25s;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.switch input:checked + .slider {
  background: linear-gradient(135deg, var(--doge-gold), var(--doge-dark));
  box-shadow: 0 0 12px rgba(255, 204, 51, 0.35);
}

.switch input:checked + .slider::before {
  transform: translateX(24px);
  background: #1a1a1a;
}

.switch input:disabled + .slider {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Chain visual: wrapping grid, no page overflow */
.chain-card {
  overflow: hidden;
  min-width: 0;
}

.chain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 8px;
  width: 100%;
  max-width: 100%;
}

.chain-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.chain-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}

.legend-dot.aux { background: var(--ltc-light); }
.legend-dot.aux-off { background: var(--doge-gold); }
.legend-dot.full { background: var(--success); }
.legend-dot.empty { background: var(--danger); }
.legend-dot.slow { background: var(--warning); }
.legend-dot.selected { background: transparent; border: 2px solid var(--doge-gold); }

.chain-block {
  padding: 8px 4px;
  background: var(--bg-elevated);
  border: 2px solid var(--miner-color, var(--border));
  border-radius: 10px;
  text-align: center;
  font-size: 0.68rem;
  position: relative;
  min-width: 0;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  width: 100%;
  transition: transform 0.15s, box-shadow 0.15s;
}

.chain-block:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.chain-block.selected {
  outline: 2px solid var(--doge-gold);
  outline-offset: 2px;
}

.chain-block.invalid {
  border-color: var(--danger);
  opacity: 0.85;
}

.chain-block.tip {
  box-shadow: 0 0 12px rgba(255, 204, 51, 0.35);
  border-color: var(--doge-gold);
}

.chain-block.empty {
  border-color: var(--danger);
  background: rgba(248, 81, 73, 0.08);
}

.chain-block.full {
  border-color: var(--success);
  background: rgba(63, 185, 80, 0.06);
}

.chain-block.aux-on {
  box-shadow: inset 0 0 0 1px rgba(0, 212, 170, 0.35);
}

.chain-block.aux-off {
  box-shadow: inset 0 0 0 1px rgba(255, 204, 51, 0.35);
}

.chain-block.slow {
  outline: 2px solid var(--warning);
  outline-offset: -2px;
}

.chain-block .block-height {
  display: block;
  font-weight: 700;
  color: var(--doge-gold);
  font-size: 0.62rem;
  line-height: 1.2;
  word-break: break-all;
}

.chain-block .block-meta {
  display: block;
  color: var(--text-muted);
  font-size: 0.58rem;
}

.chain-block .block-time {
  display: block;
  color: var(--text-muted);
  font-size: 0.55rem;
  margin-top: 2px;
}

.chain-block .aux-icon {
  position: absolute;
  top: 2px;
  right: 2px;
  font-size: 12px;
  color: var(--ltc-light);
}

/* Miners Table */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th {
  text-align: left;
  padding: 10px 8px;
  color: var(--text-muted);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
}

td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

td code {
  font-size: 0.75rem;
  color: var(--ltc-light);
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
}

.miner-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 4px;
}

.attacker-row {
  background: rgba(248, 81, 73, 0.06);
}

.type-badge {
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
}

.type-badge.auxpow {
  background: rgba(0, 212, 170, 0.2);
  color: var(--ltc-light);
}

.type-badge.solo {
  background: rgba(255, 204, 51, 0.15);
  color: var(--doge-gold);
}

.material-icons.honest {
  color: var(--success);
  font-size: 18px;
}

.material-icons.attacker {
  color: var(--danger);
  font-size: 18px;
}

/* Event Log */
.event-log {
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.event {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-radius: 8px;
  font-size: 0.82rem;
  border-left: 3px solid var(--border);
}

.event .material-icons {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.event-block { border-left-color: var(--doge-gold); }
.event-block .material-icons { color: var(--doge-gold); }
.event-reorg { border-left-color: var(--danger); }
.event-reorg .material-icons { color: var(--danger); }
.event-attack { border-left-color: var(--warning); }
.event-attack .material-icons { color: var(--warning); }
.event-warn { border-left-color: var(--warning); }
.event-info { border-left-color: var(--ltc-blue); }

/* Charts */
.chart-container {
  position: relative;
  height: 220px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  contain: layout;
}

.chart-container canvas {
  display: block;
  max-width: 100% !important;
}

.chart-contained {
  min-height: 220px;
  max-width: 100%;
}

.chart-card-contained {
  overflow: hidden;
  min-width: 0;
}

.snapshot-status,
.era-study-status {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 8px 0 12px;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.era-study-status.flash {
  border-color: var(--doge-gold);
  color: var(--doge-gold);
}

.snapshot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.chain-selection-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 12px;
  padding: 12px 14px;
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid rgba(63, 185, 80, 0.35);
  border-radius: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.chain-selection-banner .material-icons {
  color: var(--success);
  flex-shrink: 0;
}

.chain-selection-banner strong {
  color: var(--text);
}

.banner-link {
  display: block;
  margin-top: 4px;
  color: var(--doge-gold);
  font-size: 0.75rem;
}

.validation-help-slot {
  margin-bottom: 10px;
}

.validation-help {
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(248, 81, 73, 0.08);
  border: 1px solid rgba(248, 81, 73, 0.35);
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.validation-help h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--danger);
  font-size: 0.88rem;
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .app {
    padding: 12px;
  }

  .header {
    padding: 16px;
  }

  .card {
    padding: 14px;
  }

  .insights-hero {
    flex-direction: column;
  }

  .insights-charts {
    grid-template-columns: 1fr !important;
  }

  .insights-hero-stats {
    width: 100%;
  }

  .hero-stat {
    flex: 1 1 calc(50% - 8px);
    min-width: 0;
  }

  .grid-metrics {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .metric-card .value {
    font-size: 1.2rem;
  }

  .chart-tall,
  .chart-medium {
    height: min(220px, 58vw);
    min-height: 180px;
  }

  .chart-container {
    height: min(220px, 58vw);
    min-height: 180px;
  }

  .era-compare-card .table-wrap,
  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }

  .era-compare-table {
    min-width: 520px;
    font-size: 0.72rem;
  }

  .card h2 {
    font-size: 1rem;
    flex-wrap: wrap;
  }

  .chain-grid {
    grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  }

  .header-actions {
    flex-wrap: wrap;
  }

  .header-actions .btn {
    flex: 1 1 auto;
    min-width: 0;
  }
}

@media (max-width: 480px) {
  .grid-metrics {
    grid-template-columns: 1fr !important;
  }

  .header {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions .btn {
    flex: 1;
    justify-content: center;
  }
}

.chart-tall {
  height: 280px;
}

/* Education Tabs */
.edu-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.edu-tab {
  padding: 8px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}

.edu-tab.active {
  background: rgba(255, 204, 51, 0.12);
  color: var(--doge-gold);
  border-color: var(--doge-dark);
}

.edu-panel {
  display: none;
}

.edu-panel.active {
  display: block;
}

.edu-panel h3 {
  color: var(--doge-gold);
  margin-bottom: 10px;
  font-size: 1rem;
}

.edu-panel p,
.edu-panel li {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.edu-panel ul,
.edu-panel ol {
  padding-left: 20px;
  margin-bottom: 12px;
}

.edu-panel strong {
  color: var(--text);
}

.fork-timeline {
  padding-left: 20px;
  margin: 12px 0;
}

.fork-timeline li {
  margin-bottom: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.core-ref-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

a.core-ref-link:visited {
  color: var(--accent);
}

.core-ref-link:hover {
  color: var(--doge-gold);
  text-decoration: underline;
}

.core-ref-line,
.chart-core-ref {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.4;
}

.chart-core-ref {
  margin: -4px 0 10px;
}

.core-map-table td code {
  font-size: 0.75rem;
  color: var(--accent);
}

.rule-card .rule-file a {
  color: var(--accent);
}

.rule-card .rule-file a:hover {
  color: var(--doge-gold);
}

.step-rule a {
  font-size: 0.75rem;
}

.workflow-step a.core-ref-link {
  font-family: inherit;
  font-size: 0.85rem;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 12px;
}

@media (max-width: 700px) {
  .compare-grid {
    grid-template-columns: 1fr;
  }
}

.compare-card {
  padding: 16px;
  background: var(--bg-elevated);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.compare-card h4 {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.compare-card.with-aux h4 { color: var(--ltc-light); }
.compare-card.without-aux h4 { color: var(--doge-gold); }

/* Tips */
.tip-card {
  padding: 14px;
  background: var(--bg-elevated);
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 10px;
}

.tip-card h4 {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--doge-gold);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.tip-card h4 .material-icons {
  font-size: 18px;
}

.tip-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 20px;
}

.chart-caption a,
.insight-lead a,
.era-table a,
.insights-dashboard a {
  color: var(--link);
}

.chart-caption a:hover,
.insight-lead a:hover,
.era-table a:hover,
.insights-dashboard a:hover {
  color: var(--link-hover);
}

.section-gap {
  margin-bottom: 20px;
}

.validation-complexity-card .chart-caption {
  margin-bottom: 16px;
}

.validation-complexity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 14px;
}

.validation-mode {
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.validation-mode-disabled {
  border-color: rgba(255, 204, 51, 0.25);
}

.validation-mode-enabled {
  border-color: rgba(0, 212, 170, 0.35);
}

.validation-mode-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.validation-mode-header h4 {
  font-size: 1rem;
  margin: 0;
}

.validation-mode-disabled .validation-mode-header h4 {
  color: var(--doge-gold);
}

.validation-mode-enabled .validation-mode-header h4 {
  color: var(--ltc-light);
}

.validation-step-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  white-space: nowrap;
}

.validation-mode-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.validation-mode-steps {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.55;
}

.validation-mode-steps li {
  margin-bottom: 8px;
  padding-left: 4px;
}

.validation-mode-steps li:last-child {
  margin-bottom: 0;
}

.validation-complexity-footnote {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--ltc-light);
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.25);
  line-height: 1.5;
}

.validation-complexity-footnote .material-icons {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  margin-left: auto;
}

.chart-caption {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: -8px 0 12px;
}

.cost-compare {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.cost-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  gap: 12px;
  flex-wrap: wrap;
}

.cost-row strong.faster {
  color: var(--success);
}

.cost-row strong.slower {
  color: var(--warning);
}

.cost-row-session {
  border: 1px dashed var(--border);
  background: rgba(255, 204, 51, 0.05);
}

.cost-compare-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(0, 212, 170, 0.06);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  line-height: 1.45;
}

.edu-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 8px;
}

.edu-table th,
.edu-table td {
  padding: 10px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

.edu-table th {
  background: var(--bg-elevated);
  color: var(--doge-gold);
}

.edu-table td {
  color: var(--text-muted);
}

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

.research-header h2 {
  margin-bottom: 0;
}

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

.research-dashboard {
  border-color: rgba(255, 204, 51, 0.2);
}

.justification-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border-radius: 12px;
  margin-top: 16px;
  border: 1px solid var(--border);
}

.justification-banner.low {
  background: rgba(248, 81, 73, 0.1);
  border-color: rgba(248, 81, 73, 0.3);
}

.justification-banner.medium {
  background: rgba(210, 153, 34, 0.1);
  border-color: rgba(210, 153, 34, 0.3);
}

.justification-banner.high {
  background: rgba(63, 185, 80, 0.1);
  border-color: rgba(63, 185, 80, 0.3);
}

.banner-score {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--doge-gold);
  flex-shrink: 0;
}

.banner-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.research-table td:first-child {
  font-weight: 700;
  color: var(--text);
}

.claim-card {
  padding: 14px;
  background: var(--bg-elevated);
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 10px;
}

.claim-card.supports {
  border-color: rgba(255, 204, 51, 0.35);
  background: rgba(255, 204, 51, 0.05);
}

.claim-card h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--doge-gold);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.claim-card h4 .material-icons {
  font-size: 18px;
}

.claim-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.claim-data {
  font-size: 0.8rem;
  color: var(--ltc-light);
}

.switch-sm { width: 40px; height: 22px; }
.switch-sm .slider::before { height: 16px; width: 16px; }
.switch-sm input:checked + .slider::before { transform: translateX(18px); }
.switch-row-sm { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; font-size: 0.82rem; color: var(--text-muted); }
.parent-panel p, .merchant-panel p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }
.compare-panel { margin-top: 12px; }
.protocol-notes-card h4 { color: var(--doge-gold); margin-bottom: 8px; font-size: 0.9rem; }
.protocol-notes-card ul { padding-left: 18px; font-size: 0.82rem; color: var(--text-muted); }

/* Full Node / Miner protocol panels */
.sim-tabs-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--doge-gold);
  font-size: 1rem;
  margin-bottom: 8px;
}

.sim-tabs-card h3 .material-icons {
  font-size: 20px;
}

.sim-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.sim-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.sim-tab .material-icons {
  font-size: 18px;
}

.sim-tab:hover {
  background: rgba(255, 204, 51, 0.1);
  color: var(--doge-gold);
  border-color: var(--doge-gold);
  transform: translateY(-1px);
}

.sim-tab.active {
  background: rgba(255, 204, 51, 0.12);
  border-color: rgba(255, 204, 51, 0.35);
  color: var(--doge-gold);
}

.sim-tab-panel {
  display: none;
}

.sim-tab-panel.active {
  display: block;
}

.validation-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 12px;
  font-weight: 700;
}

.validation-summary.pass {
  background: rgba(63, 185, 80, 0.12);
  border: 1px solid rgba(63, 185, 80, 0.35);
  color: var(--success);
}

.validation-summary.fail {
  background: rgba(248, 81, 73, 0.12);
  border: 1px solid rgba(248, 81, 73, 0.35);
  color: var(--danger);
}

.validation-meta {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}

.validation-steps {
  list-style: none;
  max-height: none;
  overflow-y: visible;
}

.validation-step {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 6px;
  background: var(--bg-elevated);
  border-left: 3px solid var(--border);
}

.validation-step.pass {
  border-left-color: var(--success);
}

.validation-step.fail {
  border-left-color: var(--danger);
  background: rgba(248, 81, 73, 0.06);
}

.validation-step.highlight {
  outline: 1px solid var(--doge-gold);
  background: rgba(255, 204, 51, 0.08);
}

.validation-step .step-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.validation-step.pass .step-icon {
  color: var(--success);
}

.validation-step.fail .step-icon {
  color: var(--danger);
}

.validation-step strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text);
}

.step-rule {
  display: block;
  font-size: 0.72rem;
  color: var(--ltc-light);
  font-family: monospace;
  margin-top: 2px;
}

.validation-step p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.workflow-steps {
  list-style: none;
  counter-reset: workflow;
}

.workflow-step {
  display: flex;
  gap: 12px;
  padding: 12px;
  margin-bottom: 8px;
  background: var(--bg-elevated);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.workflow-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ltc-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.workflow-step code {
  color: var(--doge-gold);
  font-size: 0.85rem;
}

.workflow-step p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.status-badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

.status-badge.ok {
  background: rgba(63, 185, 80, 0.2);
  color: var(--success);
}

.rules-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.rule-card {
  text-align: left;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  transition: border-color 0.15s, background 0.15s;
}

.rule-card:hover {
  border-color: rgba(255, 204, 51, 0.4);
}

.rule-card.active {
  border-color: var(--doge-gold);
  background: rgba(255, 204, 51, 0.08);
}

.rule-file {
  display: block;
  font-size: 0.72rem;
  color: var(--ltc-light);
  font-family: monospace;
  margin-bottom: 4px;
}

.rule-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.inspector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}

.inspector-row {
  padding: 10px 12px;
  background: var(--bg-elevated);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.inspector-row span {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.inspector-row strong,
.inspector-row code {
  font-size: 0.82rem;
}

.text-ok {
  color: var(--success);
}

.text-fail {
  color: var(--danger);
}

/* Insights dashboard */
.insights-dashboard {
  background: linear-gradient(145deg, rgba(22, 27, 34, 0.95), rgba(28, 35, 51, 0.9));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.insights-hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.insights-hero h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--doge-gold);
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.insights-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-stat {
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  min-width: 120px;
}

.hero-stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.hero-stat strong {
  font-size: 1rem;
  color: var(--text);
}

.insights-charts {
  margin-bottom: 20px;
  grid-template-columns: repeat(2, 1fr);
}

.insight-chart-card h3 {
  color: var(--doge-gold);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.chart-medium {
  height: 240px;
}

.insights-panels .insight-panel h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--doge-gold);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.insight-lead {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.insight-cause-list {
  list-style: none;
  margin-bottom: 12px;
}

.insight-cause-list li {
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--bg-elevated);
  border-radius: 8px;
  border-left: 3px solid var(--ltc-blue);
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.insight-cause-list li strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

.insight-cause-list li em {
  display: block;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--ltc-light);
  font-style: normal;
}

.insight-note,
.insight-session {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.insight-proposal {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 204, 51, 0.08);
  border: 1px solid rgba(255, 204, 51, 0.25);
}

.insight-proposal h4 {
  color: var(--doge-gold);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.insight-proposal p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  line-height: 1.45;
}

.era-compare-card .era-dual-chart-wrap {
  margin-bottom: 16px;
}

.era-compare-table .th-group {
  text-align: center;
  background: rgba(0, 212, 170, 0.15);
  color: var(--ltc-light);
}

.era-compare-table .th-aux-on {
  background: rgba(0, 212, 170, 0.12);
  color: var(--ltc-light);
}

.era-compare-table .th-aux-off {
  background: rgba(255, 204, 51, 0.1);
  color: var(--doge-gold);
}

.era-compare-table .era-metric {
  font-weight: 700;
  color: var(--text);
}

.era-compare-table .era-aux-on {
  background: rgba(0, 212, 170, 0.06);
}

.era-compare-table .era-aux-off {
  background: rgba(255, 204, 51, 0.05);
}

.era-compare-table .era-live {
  color: var(--success);
}

.era-compare-table .era-mainnet {
  color: var(--ltc-light);
  font-size: 0.82rem;
}

.era-compare-table small a {
  color: var(--ltc-light);
}

#node-validation-trace {
  display: flex;
  flex-direction: column;
  max-height: 420px;
}

#validation-steps-list.validation-steps {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

html.embed-mode .header-actions .btn-danger,
html.embed-mode .file-warning {
  display: none;
}

html.embed-mode .app {
  max-width: 100%;
  padding: 16px;
}

html.embed-mode .insights-dashboard {
  padding: 16px;
}