/* ═══════════════════════════════════════════════════════════════
   LuSOL +MEV Validator Dashboard
   Premium Cyberpunk Aesthetic
   ═══════════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  /* Colors - Cyberpunk palette */
  --bg-deep: #050a0e;
  --bg-primary: #0a1014;
  --bg-secondary: #0f171c;
  --bg-card: rgba(15, 23, 28, 0.8);
  --bg-card-hover: rgba(20, 30, 38, 0.9);

  --accent-primary: #00ffd5;
  --accent-secondary: #00b4d8;
  --accent-glow: rgba(0, 255, 213, 0.4);
  --accent-subtle: rgba(0, 255, 213, 0.1);

  --text-primary: #e8f4f8;
  --text-secondary: #8fa3ad;
  --text-muted: #4a5d68;

  --border-color: rgba(0, 255, 213, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.06);

  --success: #00ffa3;
  --warning: #ffd166;
  --error: #ff6b6b;

  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ─── Reset & Base ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-display);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Ambient Background ─── */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 255, 213, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(0, 180, 216, 0.05), transparent),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(0, 255, 163, 0.04), transparent);
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-xl);
  background: rgba(5, 10, 14, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.nav-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-title .accent {
  color: var(--accent-primary);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--transition-base);
}

.pulse-dot.active {
  background: var(--success);
  box-shadow: 0 0 12px var(--success);
  animation: pulse 2s ease-in-out infinite;
}

.pulse-dot.error {
  background: var(--error);
  box-shadow: 0 0 12px var(--error);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.2); }
}

/* ─── Hero Section ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: calc(80px + var(--space-3xl)) var(--space-xl) var(--space-3xl);
  text-align: center;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--accent-subtle) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--accent-subtle);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  justify-content: center;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1.2;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--accent-primary);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 0 30px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--accent-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-stake {
  width: 100%;
  padding: var(--space-md);
  background: var(--accent-primary);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-stake:hover {
  box-shadow: 0 0 30px var(--accent-glow);
}

.btn-disconnect {
  padding: var(--space-xs) var(--space-sm);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-disconnect:hover {
  color: var(--error);
  border-color: var(--error);
}

/* ─── Wallet UI ─── */
.hero-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.wallet-connected {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
  max-width: 320px;
}

.wallet-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wallet-address {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-primary);
}

.stake-input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.stake-input-group input {
  width: 100%;
  padding: var(--space-md);
  padding-right: 60px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.stake-input-group input:focus {
  border-color: var(--accent-primary);
}

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

.input-suffix {
  position: absolute;
  right: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

/* ─── Dashboard ─── */
.dashboard {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-3xl);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ─── Live Indicator ─── */
.live-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 1.5s ease-in-out infinite;
}

/* ─── Metrics Section ─── */
.metrics-section {
  margin-bottom: var(--space-3xl);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.metric-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.metric-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color);
  transform: translateY(-2px);
}

.metric-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.metric-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-primary);
}

.metric-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

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

/* ─── Epoch Section ─── */
.epoch-section {
  margin-bottom: var(--space-3xl);
}

.epoch-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-primary);
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent-subtle);
  border-radius: var(--radius-sm);
}

.epoch-card {
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.epoch-progress-container {
  margin-bottom: var(--space-xl);
}

.epoch-progress-bar {
  position: relative;
  height: 12px;
  background: var(--bg-secondary);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.epoch-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 100px;
  transition: width var(--transition-slow);
}

.epoch-progress-glow {
  position: absolute;
  top: 0;
  height: 100%;
  width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s ease-in-out infinite;
  opacity: 0.5;
}

@keyframes shimmer {
  0% { left: -40px; }
  100% { left: 100%; }
}

.epoch-progress-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.epoch-percent {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.epoch-remaining {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.epoch-details {
  display: flex;
  gap: var(--space-2xl);
}

.epoch-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

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

.detail-value {
  font-size: 1rem;
  color: var(--text-primary);
}

.mono {
  font-family: var(--font-mono);
}

/* ─── Identity Section ─── */
.identity-section {
  margin-bottom: var(--space-3xl);
}

.identity-grid {
  display: grid;
  gap: var(--space-md);
}

.identity-card {
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.identity-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.identity-value-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.identity-value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-primary);
  word-break: break-all;
  background: none;
}

.btn-copy {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-copy:hover {
  border-color: var(--accent-primary);
}

.btn-copy svg {
  stroke: var(--text-muted);
  transition: stroke var(--transition-fast);
}

.btn-copy:hover svg {
  stroke: var(--accent-primary);
}

.btn-copy.copied {
  background: var(--accent-subtle);
  border-color: var(--accent-primary);
}

.btn-copy.copied svg {
  stroke: var(--accent-primary);
}

/* ─── Infrastructure Section ─── */
.infra-section {
  margin-bottom: var(--space-3xl);
}

.infra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.infra-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.infra-icon {
  font-size: 1.5rem;
}

.infra-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.infra-spec {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

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

/* ─── Links Section ─── */
.links-section {
  margin-bottom: var(--space-3xl);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.link-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.link-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color);
  transform: translateX(4px);
}

.link-name {
  font-weight: 500;
}

.link-arrow {
  color: var(--accent-primary);
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
}

.link-card:hover .link-arrow {
  transform: translateX(4px);
}

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-xl);
  background: var(--bg-primary);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 500;
}

.footer-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-sep {
  opacity: 0.3;
}

/* ─── Toast ─── */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: var(--space-md) var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-primary);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── Wallet Selector Modal ─── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 10, 14, 0.9);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.modal-overlay:not(.hidden) {
  opacity: 1;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal-overlay:not(.hidden) .modal-content {
  transform: scale(1);
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-muted);
}

.modal-close:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.modal-body {
  padding: var(--space-xl);
}

.modal-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.wallet-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.wallet-option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-display);
  width: 100%;
  text-align: left;
}

.wallet-option:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  transform: translateX(4px);
}

.wallet-option:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.wallet-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.wallet-info-modal {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.wallet-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.wallet-status.detected {
  color: var(--success);
}

.wallet-status.not-detected {
  color: var(--text-muted);
}

/* ─── Utility Classes ─── */
.hidden {
  display: none !important;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav {
    padding: var(--space-md);
  }

  .hero {
    padding: calc(70px + var(--space-2xl)) var(--space-md) var(--space-2xl);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-stats {
    gap: var(--space-lg);
  }

  .hero-stat-value {
    font-size: 1.5rem;
  }

  .dashboard {
    padding: 0 var(--space-md) var(--space-2xl);
  }

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

  .metric-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .epoch-details {
    flex-direction: column;
    gap: var(--space-md);
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

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

  .infra-grid,
  .links-grid {
    grid-template-columns: 1fr;
  }

  .identity-value {
    font-size: 0.75rem;
  }
}

/* ─── Animations ─── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.metric-card,
.epoch-card,
.identity-card,
.infra-card,
.link-card {
  animation: fadeInUp 0.5s ease backwards;
}

.metric-card:nth-child(1) { animation-delay: 0.1s; }
.metric-card:nth-child(2) { animation-delay: 0.15s; }
.metric-card:nth-child(3) { animation-delay: 0.2s; }
.metric-card:nth-child(4) { animation-delay: 0.25s; }
.metric-card:nth-child(5) { animation-delay: 0.3s; }
.metric-card:nth-child(6) { animation-delay: 0.35s; }