/**
 * MINING EFFECTS & INTRO STYLES
 * Enhanced visual effects for MonadMiner with mining simulation
 * Preserves existing functionality while adding immersive effects
 */

/* ===== MINING INTRO MODAL ===== */
.mining-intro-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.5s ease-out;
}

.intro-backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(10, 14, 26, 0.95) 0%,
    rgba(15, 20, 25, 0.9) 100%);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
}

.intro-container {
  position: relative;
  max-width: 900px;
  max-height: 90vh;
  width: 90vw;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%);
  border: 1px solid rgba(0, 245, 255, 0.3);
  border-radius: 24px;
  padding: 32px;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 245, 255, 0.2);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
}

.intro-header {
  text-align: center;
  margin-bottom: 32px;
}

.mining-logo {
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}

.mining-logo img {
  height: 80px;
  width: auto;
  filter: drop-shadow(0 0 20px rgba(0, 245, 255, 0.6));
  animation: logoFloat 3s ease-in-out infinite;
}

.logo-glow {
  position: absolute;
  inset: -10px;
  background: radial-gradient(circle, rgba(0, 245, 255, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: logoGlow 2s ease-in-out infinite alternate;
  z-index: -1;
}

.intro-title {
  font-family: 'Orbitron', 'Exo 2', system-ui, sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #00f5ff 0%, #8b5cf6 50%, #f472b6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 8px 0;
  text-shadow: 0 0 20px rgba(0, 245, 255, 0.5);
}

.intro-subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.intro-content {
  margin-bottom: 32px;
}

.mining-explanation {
  margin-bottom: 32px;
}

.explanation-step {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  padding: 20px;
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.explanation-step:hover {
  background: rgba(0, 245, 255, 0.1);
  border-color: rgba(0, 245, 255, 0.4);
  transform: translateY(-2px);
}

.step-icon {
  font-size: 2rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #00f5ff, #8b5cf6);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-family: 'Orbitron', 'Exo 2', system-ui, sans-serif;
  font-size: 1.5rem;
  color: #00f5ff;
  margin: 0 0 8px 0;
}

.step-content p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 16px 0;
  line-height: 1.6;
}

.rig-preview {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.rig-model {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.rig-model:hover {
  background: rgba(0, 245, 255, 0.1);
  border-color: rgba(0, 245, 255, 0.3);
  transform: translateY(-2px);
}

.rig-model.active {
  background: rgba(0, 245, 255, 0.2);
  border-color: #00f5ff;
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

.rig-model img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 10px rgba(0, 245, 255, 0.5));
}

.rig-model span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
}

.mining-simulation {
  margin-top: 16px;
}

.miner-display {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.miner-screen {
  width: 200px;
  height: 120px;
  background: linear-gradient(135deg, #0a0e1a, #1a1f2e);
  border: 2px solid #00f5ff;
  border-radius: 12px;
  padding: 16px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.3);
}

.mining-animation {
  position: relative;
  height: 40px;
  margin-bottom: 16px;
}

.mining-bar {
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, #00f5ff, #8b5cf6, #f472b6);
  border-radius: 4px;
  animation: miningBar 2s linear infinite;
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
}

.mining-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 245, 255, 0.3) 1px, transparent 1px);
  background-size: 20px 20px;
  animation: miningParticles 1s linear infinite;
}

.mining-stats {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: #00f5ff;
}

.mining-stats span {
  display: flex;
  justify-content: space-between;
  font-family: 'Rajdhani', monospace;
}

.claim-demo {
  display: flex;
  justify-content: center;
  margin-top: 16px;
}

.claim-button-demo {
  position: relative;
  display: inline-block;
}

.demo-claim-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, #00f5ff, #8b5cf6);
  border: none;
  border-radius: 12px;
  color: #0a0e1a;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 245, 255, 0.3);
}

.demo-claim-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 245, 255, 0.5);
}

.claim-amount {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 245, 255, 0.9);
  color: #0a0e1a;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  opacity: 0;
  transition: all 0.3s ease;
}

.demo-claim-btn:hover + .claim-amount {
  opacity: 1;
  transform: translateX(-50%) translateY(-5px);
}

.upgrade-options {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}

.upgrade-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.upgrade-option:hover {
  background: rgba(0, 245, 255, 0.1);
  border-color: rgba(0, 245, 255, 0.3);
  transform: translateY(-2px);
}

.upgrade-option i {
  font-size: 1.5rem;
  color: #00f5ff;
}

.upgrade-option span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
}

.smart-contract-info {
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 16px;
  padding: 24px;
}

.smart-contract-info h3 {
  font-family: 'Orbitron', 'Exo 2', system-ui, sans-serif;
  color: #00f5ff;
  margin: 0 0 20px 0;
}

.contract-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.feature {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.feature:hover {
  background: rgba(0, 245, 255, 0.1);
  border-color: rgba(0, 245, 255, 0.3);
  transform: translateY(-2px);
}

.feature i {
  font-size: 1.5rem;
  color: #00f5ff;
  flex-shrink: 0;
  margin-top: 4px;
}

.feature h4 {
  color: #ffffff;
  margin: 0 0 4px 0;
  font-size: 1rem;
}

.feature p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.4;
}

.intro-footer {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 32px;
}

.start-mining-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #00f5ff, #8b5cf6);
  border: none;
  border-radius: 12px;
  color: #0a0e1a;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 245, 255, 0.3);
}

.start-mining-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 245, 255, 0.5);
}

.skip-intro-btn {
  padding: 16px 32px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.skip-intro-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
}

/* ===== MINING EFFECTS ===== */
.mining-active {
  position: relative;
}

.mining-enhanced {
  transition: all 0.3s ease;
}

.mining-enhanced:hover {
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
  transform: translateY(-2px);
}

.mining-glow {
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(45deg, #00f5ff, #8b5cf6);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  filter: blur(8px);
}

.mining-indicator {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 20px;
  height: 20px;
}

.mining-pulse {
  width: 100%;
  height: 100%;
  background: #00f5ff;
  border-radius: 50%;
  animation: miningPulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px #00f5ff;
}

.mining-particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
}

.mining-particle {
  position: fixed;
  pointer-events: none;
  z-index: 1000;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.9);
  }
}

@keyframes logoFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes logoGlow {
  0% {
    opacity: 0.5;
    transform: scale(1);
  }
  100% {
    opacity: 1;
    transform: scale(1.1);
  }
}

@keyframes miningBar {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 200% 0%;
  }
}

@keyframes miningParticles {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 20px 20px;
  }
}

@keyframes miningParticleFloat {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) scale(0);
    opacity: 0;
  }
}

@keyframes miningRippleExpand {
  0% {
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    width: 100px;
    height: 100px;
    opacity: 0;
  }
}

@keyframes miningProgress {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@keyframes claimPulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes miningPulse {
  0%, 100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}

/* ===== PHASE SYSTEM STYLES ===== */
.phase-info {
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 16px;
  padding: 24px;
  margin: 20px 0;
}

.phase-explanation h3 {
  font-family: 'Orbitron', 'Exo 2', system-ui, sans-serif;
  color: #00f5ff;
  margin: 0 0 16px 0;
}

.phases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.phase {
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
}

.phase:hover {
  background: rgba(0, 245, 255, 0.1);
  border-color: rgba(0, 245, 255, 0.3);
  transform: translateY(-2px);
}

.phase h4 {
  color: #ffffff;
  margin: 0 0 8px 0;
  font-size: 1.1rem;
}

.phase p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 8px 0;
  font-size: 0.9rem;
}

.phase-status {
  background: linear-gradient(135deg, #00f5ff, #8b5cf6);
  color: #0a0e1a;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}

.phase-note {
  color: rgba(255, 255, 255, 0.8);
  font-style: italic;
  margin: 16px 0 0 0;
}

/* ===== REFERRAL SYSTEM STYLES ===== */
.referral-info {
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 16px;
  padding: 24px;
  margin: 20px 0;
}

.referral-explanation h3 {
  font-family: 'Orbitron', 'Exo 2', system-ui, sans-serif;
  color: #00f5ff;
  margin: 0 0 16px 0;
}

.referral-levels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.level {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.level:hover {
  background: rgba(0, 245, 255, 0.1);
  border-color: rgba(0, 245, 255, 0.3);
  transform: translateY(-2px);
}

.level-number {
  font-size: 1.2rem;
  font-weight: 700;
  color: #00f5ff;
  margin-bottom: 4px;
}

.level-reward {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}

.level-requirement {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
}

.referral-note {
  color: rgba(255, 255, 255, 0.8);
  font-style: italic;
  margin: 16px 0 0 0;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .intro-container {
    width: 95vw;
    padding: 20px;
    max-height: 95vh;
  }

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

  .explanation-step {
    flex-direction: column;
    text-align: center;
  }

  .step-icon {
    align-self: center;
  }

  .rig-preview {
    flex-direction: column;
    align-items: center;
  }

  .upgrade-options {
    flex-direction: column;
  }

  .contract-features {
    grid-template-columns: 1fr;
  }

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

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

  .intro-footer {
    flex-direction: column;
  }

  .start-mining-btn,
  .skip-intro-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .intro-container {
    padding: 16px;
  }

  .intro-title {
    font-size: 1.5rem;
  }

  .step-icon {
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
  }

  .miner-screen {
    width: 150px;
    height: 100px;
    padding: 12px;
  }

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

  .referral-levels {
    grid-template-columns: 1fr;
  }
}

/* ===== FULLSCREEN INTRO V2 OVERRIDE ===== */
.mining-intro-modal {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: block;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 16px;
}

.mining-intro-modal .intro-backdrop {
  position: fixed;
  inset: 0;
  display: block;
  overflow: hidden;
  background:
    radial-gradient(1000px 420px at 80% -10%, rgba(59, 130, 246, 0.2), transparent 60%),
    radial-gradient(800px 380px at -10% 30%, rgba(34, 211, 238, 0.2), transparent 60%),
    linear-gradient(140deg, rgba(1, 4, 9, 0.98), rgba(6, 11, 20, 0.96) 60%, rgba(8, 18, 32, 0.96));
}

.mining-intro-modal .intro-backdrop::before,
.mining-intro-modal .intro-backdrop::after {
  content: "";
  position: absolute;
  inset: -30%;
  pointer-events: none;
}

.mining-intro-modal .intro-backdrop::before {
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  transform: perspective(680px) rotateX(58deg) translateY(10%);
  transform-origin: top center;
  animation: introGridDrift 22s linear infinite;
}

.mining-intro-modal .intro-backdrop::after {
  background: radial-gradient(circle at 50% 50%, rgba(8, 145, 178, 0.12), transparent 60%);
  filter: blur(24px);
}

.mining-intro-modal .intro-container {
  position: relative;
  z-index: 1;
  width: 100vw;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(6, 12, 22, 0.9), rgba(6, 13, 24, 0.85));
  box-shadow: none;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  overflow-x: hidden;
}

.mining-intro-modal .intro-header {
  margin: 0;
  padding: 18px clamp(14px, 3.5vw, 34px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.25);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.82), rgba(15, 23, 42, 0.56));
}

.intro-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}

.mining-intro-modal .mining-logo {
  margin: 0;
}

.mining-intro-modal .mining-logo img {
  height: 52px;
}

.mining-intro-modal .intro-title {
  margin: 0 0 4px 0;
  line-height: 1.1;
  font-size: clamp(1.35rem, 2.3vw, 2.15rem);
  letter-spacing: 0.03em;
}

.mining-intro-modal .intro-subtitle {
  margin: 0;
  color: rgba(227, 240, 255, 0.78);
  max-width: 72ch;
  line-height: 1.4;
}

.intro-close-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(2, 6, 23, 0.7);
  color: #d9f8ff;
  font-size: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.intro-close-btn:hover {
  border-color: rgba(56, 189, 248, 0.7);
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.22);
}

.intro-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: clamp(14px, 2vw, 24px) clamp(14px, 2.5vw, 30px);
  scroll-behavior: smooth;
}

.mining-intro-modal .intro-content {
  margin: 0;
  display: grid;
  gap: 16px;
  width: 100%;
  overflow-x: hidden;
}

.intro-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
}

.intro-grid-secondary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.intro-section {
  background: linear-gradient(160deg, rgba(10, 20, 37, 0.86), rgba(8, 15, 28, 0.64));
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 16px;
  padding: clamp(14px, 1.8vw, 22px);
  box-shadow: 0 14px 40px rgba(2, 6, 23, 0.45);
}

.intro-section h2,
.intro-section h3 {
  margin: 0 0 10px 0;
  color: #9befff;
  font-family: 'Orbitron', 'Exo 2', system-ui, sans-serif;
  letter-spacing: 0.03em;
}

.intro-section p {
  margin: 0;
  color: rgba(227, 240, 255, 0.82);
  line-height: 1.55;
}

.intro-section-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.intro-list {
  margin: 12px 0 0 0;
  padding-left: 18px;
  color: rgba(231, 245, 255, 0.9);
  line-height: 1.5;
}

.intro-list li + li {
  margin-top: 8px;
}

.intro-highlights {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.intro-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(8, 27, 44, 0.58);
  color: #d8fbff;
  font-size: 0.86rem;
}

.intro-steps {
  margin: 12px 0 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.intro-steps li {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(5, 18, 33, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.intro-steps li strong {
  color: #e5fbff;
  font-size: 0.96rem;
}

.intro-steps li span {
  color: rgba(226, 241, 255, 0.82);
  font-size: 0.9rem;
}

.intro-steps-compact li {
  padding: 9px 10px;
}

.intro-rig-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.mining-intro-modal .rig-model {
  min-height: 130px;
  border-radius: 14px;
  border: 1px solid rgba(56, 189, 248, 0.25);
  background: linear-gradient(165deg, rgba(8, 24, 43, 0.82), rgba(8, 20, 34, 0.62));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.mining-intro-modal .rig-model img {
  width: 56px;
  height: 56px;
  margin-bottom: 2px;
}

.mining-intro-modal .rig-model span {
  font-weight: 700;
  color: #e7fbff;
}

.mining-intro-modal .rig-model small {
  font-size: 0.8rem;
  color: rgba(219, 238, 255, 0.76);
}

.intro-rig-focus {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 12px;
  border-radius: 14px;
  background: rgba(4, 16, 30, 0.74);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

#introRigImage {
  width: 100%;
  max-width: 120px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  filter: drop-shadow(0 0 14px rgba(56, 189, 248, 0.55));
}

.intro-rig-meta h3 {
  margin: 0;
  font-size: 1.12rem;
}

.intro-rig-meta p {
  margin: 4px 0 10px 0;
  color: rgba(185, 241, 255, 0.86);
}

.intro-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.intro-stat-grid div {
  display: grid;
  gap: 3px;
  padding: 8px;
  border-radius: 10px;
  background: rgba(7, 26, 44, 0.58);
}

.intro-stat-grid span {
  font-size: 0.77rem;
  color: rgba(193, 218, 236, 0.88);
}

.intro-stat-grid strong {
  color: #e2fbff;
  font-size: 0.9rem;
}

.intro-rig-table-wrap {
  margin-top: 12px;
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: 12px;
  overflow: auto;
  background: rgba(4, 14, 26, 0.65);
}

.intro-rig-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.intro-rig-table th,
.intro-rig-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.14);
  font-size: 0.85rem;
}

.intro-rig-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: rgba(7, 20, 36, 0.95);
  color: #9fefff;
  font-weight: 700;
}

.intro-rig-table td {
  color: rgba(226, 240, 255, 0.92);
}

.intro-ref-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.intro-ref-card {
  padding: 10px;
  border-radius: 12px;
  background: rgba(8, 22, 38, 0.72);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: grid;
  gap: 4px;
}

.intro-ref-card strong {
  color: #aef6ff;
  font-size: 0.8rem;
}

.intro-ref-card span {
  color: #fff;
  font-weight: 700;
}

.intro-ref-card small {
  color: rgba(209, 235, 255, 0.8);
  font-size: 0.75rem;
}

.intro-note {
  margin-top: 10px;
  color: rgba(189, 240, 255, 0.86);
  font-size: 0.88rem;
}

.intro-connect-btn {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mining-intro-modal .claim-demo {
  margin-top: 12px;
}

.mining-intro-modal .intro-footer {
  margin: 0;
  padding: 14px clamp(14px, 2.5vw, 30px);
  border-top: 1px solid rgba(56, 189, 248, 0.25);
  background: rgba(4, 11, 20, 0.92);
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.mining-intro-modal .start-mining-btn,
.mining-intro-modal .skip-intro-btn {
  min-width: 180px;
  justify-content: center;
  padding: 12px 18px;
}

@keyframes introGridDrift {
  from {
    transform: perspective(680px) rotateX(58deg) translateY(10%) translateX(0);
  }
  to {
    transform: perspective(680px) rotateX(58deg) translateY(10%) translateX(-28px);
  }
}

@media (max-width: 1150px) {
  .intro-grid,
  .intro-grid-secondary {
    grid-template-columns: 1fr;
  }

  .intro-rig-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .intro-rig-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .intro-ref-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .mining-intro-modal .intro-container {
    height: 100dvh;
    max-width: 100vw;
  }

  .mining-intro-modal .intro-header {
    align-items: flex-start;
    justify-content: space-between;
    padding: 12px;
  }

  .intro-brand {
    gap: 10px;
    min-width: 0;
    flex: 1;
  }

  .intro-brand > div {
    min-width: 0;
  }

  .mining-intro-modal .mining-logo img {
    height: 42px;
  }

  .intro-close-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }

  .intro-scroll {
    padding: 12px 12px 10px;
  }

  .intro-rig-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-rig-focus {
    grid-template-columns: 1fr;
    text-align: left;
  }

  #introRigImage {
    max-width: 90px;
  }

  .intro-stat-grid {
    grid-template-columns: 1fr;
  }

  .intro-rig-table-wrap {
    display: none;
  }

  .intro-section {
    padding: 12px;
  }

  .intro-section p,
  .intro-list li,
  .intro-steps li span {
    font-size: 0.9rem;
  }

  .intro-highlights {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .intro-highlights::-webkit-scrollbar {
    display: none;
  }

  .intro-chip {
    flex: 0 0 auto;
  }

  .miner-screen {
    width: 100%;
    max-width: 230px;
  }

  .mining-intro-modal .intro-footer {
    padding: 12px;
    flex-direction: column-reverse;
  }

  .mining-intro-modal .start-mining-btn,
  .mining-intro-modal .skip-intro-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .mining-intro-modal {
    font-size: 14px;
  }

  .mining-intro-modal .intro-title {
    font-size: 1.05rem;
    line-height: 1.2;
  }

  .mining-intro-modal .intro-subtitle {
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .intro-rig-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-ref-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-close-btn {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
    border-radius: 9px;
  }

  .intro-section {
    border-radius: 14px;
    padding: 10px;
  }

  .intro-steps li,
  .intro-ref-card {
    padding: 8px;
  }

  .intro-chip {
    font-size: 0.76rem;
    padding: 6px 9px;
  }

  .mining-intro-modal .start-mining-btn,
  .mining-intro-modal .skip-intro-btn {
    min-width: 0;
    padding: 11px 12px;
    font-size: 0.88rem;
  }
}