/* ==========================================================================
   Design Tokens & Root Definitions
   ========================================================================== */
:root {
  /* Default Light Theme Values */
  --bg: #f9f9fb;
  --card: rgba(255, 255, 255, 0.75);
  --card-border: #e4e4e7;
  --border-glow: rgba(9, 9, 11, 0.04);
  --text: #09090b;
  --text-muted: #71717a;
  --glow-color: rgba(9, 9, 11, 0.05);
  
  --pointer-color: #09090b;
  --pointer-ring: rgba(9, 9, 11, 0.2);
  --pointer-hover-ring: rgba(9, 9, 11, 0.5);
  --pointer-hover-bg: rgba(9, 9, 11, 0.03);
  --pointer-active-ring: rgba(9, 9, 11, 0.8);
  --pointer-active-bg: rgba(9, 9, 11, 0.08);

  --header-bg: rgba(249, 249, 251, 0.75);
  --terminal-bg: #f4f4f5;
  --footer-bg: #f4f4f5;
  --btn-bg: #09090b;
  --btn-text: #ffffff;
  --btn-hover-glow: rgba(0, 0, 0, 0.1);
  --input-bg: rgba(9, 9, 11, 0.02);
  --input-focus-border: rgba(9, 9, 11, 0.3);
  --hero-gradient: linear-gradient(to right, #09090b 50%, #71717a 100%);
  --pill-badge-bg: rgba(9, 9, 11, 0.04);
  --featured-border: rgba(9, 9, 11, 0.4);
  --featured-shadow: 0 0 35px rgba(9, 9, 11, 0.05);
  --icon-bg: rgba(9, 9, 11, 0.02);
  --icon-color: #09090b;
  --reconstruct-well-bg: rgba(9, 9, 11, 0.02);
  --table-highlight-bg: rgba(9, 9, 11, 0.01);

  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Dark Theme Overrides */
    --bg: #09090b;
    --card: rgba(24, 24, 27, 0.6);
    --card-border: #27272a;
    --border-glow: rgba(255, 255, 255, 0.08);
    --text: #ffffff;
    --text-muted: #a1a1aa;
    --glow-color: rgba(255, 255, 255, 0.15);
    
    --pointer-color: #ffffff;
    --pointer-ring: rgba(255, 255, 255, 0.3);
    --pointer-hover-ring: rgba(255, 255, 255, 0.7);
    --pointer-hover-bg: rgba(255, 255, 255, 0.04);
    --pointer-active-ring: rgba(255, 255, 255, 1);
    --pointer-active-bg: rgba(255, 255, 255, 0.1);

    --header-bg: rgba(9, 9, 11, 0.75);
    --terminal-bg: #0c0c0e;
    --footer-bg: #050507;
    --btn-bg: #ffffff;
    --btn-text: #000000;
    --btn-hover-glow: rgba(255, 255, 255, 0.25);
    --input-bg: rgba(255, 255, 255, 0.02);
    --input-focus-border: rgba(255, 255, 255, 0.3);
    --hero-gradient: linear-gradient(to right, #ffffff 50%, #71717a 100%);
    --pill-badge-bg: rgba(255, 255, 255, 0.05);
    --featured-border: rgba(255, 255, 255, 0.6);
    --featured-shadow: 0 0 35px rgba(255, 255, 255, 0.05);
    --icon-bg: rgba(255, 255, 255, 0.03);
    --icon-color: #ffffff;
    --reconstruct-well-bg: rgba(255, 255, 255, 0.02);
    --table-highlight-bg: rgba(255, 255, 255, 0.01);
  }
}


/* Explicit light override — beats the dark media query */
[data-theme="light"] {
  --bg: #f9f9fb;
  --card: rgba(255, 255, 255, 0.75);
  --card-border: #e4e4e7;
  --border-glow: rgba(9, 9, 11, 0.04);
  --text: #09090b;
  --text-muted: #71717a;
  --glow-color: rgba(9, 9, 11, 0.05);
  --pointer-color: #09090b;
  --pointer-ring: rgba(9, 9, 11, 0.2);
  --pointer-hover-ring: rgba(9, 9, 11, 0.5);
  --pointer-hover-bg: rgba(9, 9, 11, 0.03);
  --pointer-active-ring: rgba(9, 9, 11, 0.8);
  --pointer-active-bg: rgba(9, 9, 11, 0.08);
  --header-bg: rgba(249, 249, 251, 0.75);
  --terminal-bg: #f4f4f5;
  --footer-bg: #f4f4f5;
  --btn-bg: #09090b;
  --btn-text: #ffffff;
  --btn-hover-glow: rgba(0, 0, 0, 0.1);
  --input-bg: rgba(9, 9, 11, 0.02);
  --input-focus-border: rgba(9, 9, 11, 0.3);
  --hero-gradient: linear-gradient(to right, #09090b 50%, #71717a 100%);
  --pill-badge-bg: rgba(9, 9, 11, 0.04);
  --featured-border: rgba(9, 9, 11, 0.4);
  --featured-shadow: 0 0 35px rgba(9, 9, 11, 0.05);
  --icon-bg: rgba(9, 9, 11, 0.02);
  --icon-color: #09090b;
  --reconstruct-well-bg: rgba(9, 9, 11, 0.02);
  --table-highlight-bg: rgba(9, 9, 11, 0.01);
}

/* Manual dark theme override (set via JS / localStorage) */
[data-theme="dark"] {
  --bg: #09090b;
  --card: rgba(24, 24, 27, 0.6);
  --card-border: #27272a;
  --border-glow: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --text-muted: #a1a1aa;
  --glow-color: rgba(255, 255, 255, 0.15);
  --pointer-color: #ffffff;
  --pointer-ring: rgba(255, 255, 255, 0.3);
  --pointer-hover-ring: rgba(255, 255, 255, 0.7);
  --pointer-hover-bg: rgba(255, 255, 255, 0.04);
  --pointer-active-ring: rgba(255, 255, 255, 1);
  --pointer-active-bg: rgba(255, 255, 255, 0.1);
  --header-bg: rgba(9, 9, 11, 0.75);
  --terminal-bg: #0c0c0e;
  --footer-bg: #050507;
  --btn-bg: #ffffff;
  --btn-text: #000000;
  --btn-hover-glow: rgba(255, 255, 255, 0.25);
  --input-bg: rgba(255, 255, 255, 0.02);
  --input-focus-border: rgba(255, 255, 255, 0.3);
  --hero-gradient: linear-gradient(to right, #ffffff 50%, #71717a 100%);
  --pill-badge-bg: rgba(255, 255, 255, 0.05);
  --featured-border: rgba(255, 255, 255, 0.6);
  --featured-shadow: 0 0 35px rgba(255, 255, 255, 0.05);
  --icon-bg: rgba(255, 255, 255, 0.03);
  --icon-color: #ffffff;
  --reconstruct-well-bg: rgba(255, 255, 255, 0.02);
  --table-highlight-bg: rgba(255, 255, 255, 0.01);
}

/* Theme FAB — floating toggle bottom-left */
.theme-fab {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid #7C3AED55;
  background: var(--card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(124,58,237,0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.theme-fab:hover {
  transform: scale(1.1);
  border-color: #7C3AED99;
  box-shadow: 0 4px 20px rgba(124,58,237,0.25);
}
.theme-fab svg {
  width: 20px;
  height: 20px;
}
.theme-fab .icon-sun  { display: block; color: #F59E0B; }
.theme-fab .icon-moon { display: none;  color: #7C3AED; }
[data-theme="dark"] .theme-fab .icon-sun  { display: none;  }
[data-theme="dark"] .theme-fab .icon-moon { display: block; }

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg);
  cursor: none; /* Hide default cursor to enable custom neural pointer */
}

/* Custom Neural Pointer */
.pointer-ring {
  width: 32px;
  height: 32px;
  border: 1px solid var(--pointer-ring);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-premium), height 0.3s var(--ease-premium), border-color 0.3s var(--ease-premium);
}

.pointer-dot {
  width: 6px;
  height: 6px;
  background-color: var(--pointer-color);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
}

/* Hover and active pointer states */
body.pointer-hovering .pointer-ring {
  width: 48px;
  height: 48px;
  border-color: var(--pointer-hover-ring);
  background-color: var(--pointer-hover-bg);
}

body.pointer-active .pointer-ring {
  width: 24px;
  height: 24px;
  border-color: var(--pointer-active-ring);
  background-color: var(--pointer-active-bg);
}

/* Background Ambient Canvas */
.ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(16px);
  background-color: var(--header-bg);
}

.header-container {
  max-width: 100%;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.logo-image {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  transition: color 0.3s var(--ease-premium);
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--text);
}

.nav-link.active-link {
  color: var(--text);
  border-bottom: 2px solid var(--text);
}

.cta-button {
  text-decoration: none;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  font-size: 12px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  transition: transform 0.2s var(--ease-premium), box-shadow 0.3s var(--ease-premium);
}

.cta-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--btn-hover-glow);
}

.ghost-button {
  text-decoration: none;
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--card-border);
  font-size: 12px;
  font-weight: 600;
  padding: 9px 17px;
  border-radius: 8px;
  cursor: none;
  transition: background-color 0.3s var(--ease-premium), border-color 0.3s var(--ease-premium), transform 0.2s var(--ease-premium);
}

.ghost-button:hover {
  background-color: var(--icon-bg);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 160px 24px 100px 24px;
  text-align: center;
  position: relative;
}

.hero-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge-row {
  margin-bottom: 24px;
}

.pill-badge {
  background-color: var(--pill-badge-bg);
  border: 1px solid var(--card-border);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  background: var(--hero-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cycle-word {
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  -webkit-text-fill-color: #7C3AED;
  color: #7C3AED;
  display: inline-block;
  position: relative;
  white-space: nowrap;
}

.cycle-word::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 3px;
  background: #7C3AED;
  border-radius: 2px;
  opacity: 0.45;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 40px;
  font-weight: 300;
}

.hero-ctas {
  display: flex;
  gap: 16px;
}

.primary-cta {
  text-decoration: none;
  background-color: var(--btn-bg);
  color: var(--btn-text);
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.2s var(--ease-premium), box-shadow 0.3s var(--ease-premium);
}

.primary-cta:hover {
  box-shadow: 0 0 25px var(--btn-hover-glow);
}

.secondary-cta {
  text-decoration: none;
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--card-border);
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.3s var(--ease-premium), border-color 0.3s var(--ease-premium);
}

.secondary-cta:hover {
  background-color: var(--icon-bg);
  border-color: var(--input-focus-border);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features-section,
.playground-section,
.ledger-section,
.quorum-section {
  padding: 100px 24px;
  border-top: 1px solid var(--card-border);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 300;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  display: flex;
  flex-direction: column;
}

.feature-card p {
  flex: 1;
}

.card-link {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: currentColor;
  margin-top: auto;
  padding-top: 16px;
  display: inline-block;
  transition: color 0.2s ease;
}

.card-link:hover {
  color: var(--text);
}

/* Glass Card styling */
.glass-card {
  background-color: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: border-color 0.4s var(--ease-premium);
}

.glass-card:hover {
  border-color: var(--input-focus-border);
}

.card-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at var(--mouse-x, 0) var(--mouse-y, 0), var(--border-glow) 0%, transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s var(--ease-premium);
}

.glass-card:hover .card-glow {
  opacity: 1;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: var(--icon-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--icon-color);
  margin-bottom: 24px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.glass-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.glass-card p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
  font-weight: 300;
}

/* ==========================================================================
   Playground Sandbox Section
   ========================================================================== */
.playground-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: stretch;
}

.drag-zone {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px dashed var(--card-border);
  cursor: none;
  min-height: 380px;
  transition: border-color 0.3s var(--ease-premium), background-color 0.3s var(--ease-premium);
}

.drag-zone.dragover {
  border-color: var(--text);
  background-color: var(--icon-bg);
}

.drag-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.pulse-ring {
  width: 80px;
  height: 80px;
  border: 1px solid var(--pointer-ring);
  border-radius: 50%;
  position: absolute;
  top: -16px;
  animation: pulse-glow 2.5s infinite var(--ease-premium);
}

@keyframes pulse-glow {
  0% {
    transform: scale(0.8);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

.upload-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin-bottom: 24px;
  transition: color 0.3s var(--ease-premium), transform 0.3s var(--ease-premium);
}

.drag-zone:hover .upload-icon,
.drag-zone.dragover .upload-icon {
  color: var(--text);
  transform: translateY(-2px);
}

.drag-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.drag-subtitle {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 300;
}

/* Terminal logs output styling */
.terminal-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  background-color: var(--terminal-bg);
}

.terminal-header {
  border-bottom: 1px solid var(--card-border);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.terminal-status {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.terminal-body {
  flex-grow: 1;
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  overflow-y: auto;
  max-height: 380px;
}

.log-line {
  margin-bottom: 8px;
  white-space: pre-wrap;
  word-break: break-all;
}

.log-line.system {
  color: #71717a;
}

.log-line.process {
  color: #38bdf8;
}

.log-line.success {
  color: #4ade80;
}

.log-line.tag {
  color: var(--text);
  padding-left: 14px;
}

/* ==========================================================================
   Ledger Section
   ========================================================================== */
.ledger-chain {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  position: relative;
}

.ledger-block-container {
  width: 280px;
  position: relative;
  z-index: 2;
}

.ledger-block {
  padding: 24px;
  border-radius: 10px;
  transition: transform 0.4s var(--ease-premium), box-shadow 0.4s var(--ease-premium), border-color 0.4s var(--ease-premium);
}

.ledger-block-container.tampered .ledger-block {
  border-color: #ef4444;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.15);
}

.block-index {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.block-field {
  margin-bottom: 8px;
  font-size: 11px;
  display: flex;
  flex-direction: column;
}

.block-field .label {
  color: var(--text-muted);
  margin-bottom: 2px;
}

.block-field .val {
  font-weight: 500;
}

.block-field .val.fira {
  font-family: var(--font-mono);
  font-size: 10px;
}

.block-field .val.hash {
  color: #71717a;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.block-field .val.active-hash {
  color: var(--text);
  transition: color 0.3s var(--ease-premium);
}

.ledger-block-container.tampered .active-hash {
  color: #ef4444 !important;
}

.block-actions {
  margin-top: 18px;
}

.tamper-btn {
  background-color: transparent;
  border: 1px solid var(--card-border);
  color: var(--text);
  font-size: 10px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: none;
  font-weight: 500;
  transition: background-color 0.2s var(--ease-premium), border-color 0.2s var(--ease-premium);
}

.tamper-btn:hover {
  background-color: var(--icon-bg);
  border-color: var(--input-focus-border);
}

.ledger-block-container.tampered .tamper-btn {
  border-color: #ef4444;
  color: #ef4444;
}

/* Chain Connectors */
.chain-connector {
  flex-grow: 1;
  height: 2px;
  background-color: var(--card-border);
  margin: 0 16px;
  position: relative;
  transition: background-color 0.4s var(--ease-premium);
}

.ledger-block-container.tampered + .chain-connector,
.chain-connector.broken {
  background-color: #ef4444;
}

.chain-connector::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background-color: var(--bg);
  border: 2px solid var(--card-border);
  border-radius: 50%;
  transition: border-color 0.4s var(--ease-premium);
}

.chain-connector.broken::after {
  border-color: #ef4444;
  background-color: #ef4444;
}

.ledger-warning {
  background-color: rgba(239, 68, 68, 0.04);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 16px 24px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: #ef4444;
  max-width: 600px;
  margin: 40px auto 0 auto;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease-premium), transform 0.4s var(--ease-premium);
  pointer-events: none;
}

.ledger-warning.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.warning-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ==========================================================================
   Quorum Decryption Section
   ========================================================================== */
.quorum-layout {
  display: grid;
  grid-template-columns: 1.1fr 1.8fr;
  gap: 32px;
  align-items: stretch;
}

.quorum-config-card {
  padding: 32px;
}

.quorum-config-card h3,
.quorum-shares-workspace h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 24px;
}

.input-group {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label,
.slider-group label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.custom-input {
  background-color: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
  transition: border-color 0.3s var(--ease-premium);
}

.custom-input:focus {
  border-color: var(--input-focus-border);
}

.slider-row {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slider-group input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 2px;
  background: var(--card-border);
  outline: none;
  border-radius: 4px;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text);
  cursor: none;
  transition: transform 0.1s var(--ease-premium);
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.primary-btn {
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 600;
  cursor: none;
  transition: transform 0.2s var(--ease-premium), box-shadow 0.3s var(--ease-premium);
}

.primary-btn:hover {
  box-shadow: 0 0 20px var(--btn-hover-glow);
}

.primary-btn.full-width {
  width: 100%;
}

.quorum-shares-workspace {
  display: flex;
  flex-direction: column;
  padding: 32px;
}

.shares-pool {
  flex-grow: 1;
  min-height: 140px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
  margin-bottom: 24px;
}

.placeholder-text {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 300;
  margin: auto;
}

.key-share-item {
  background-color: var(--icon-bg);
  border: 1px solid var(--card-border);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
  cursor: none;
  transition: transform 0.2s var(--ease-premium), border-color 0.2s var(--ease-premium), background-color 0.2s var(--ease-premium);
}

.key-share-item:hover {
  border-color: var(--text-muted);
  background-color: var(--border-glow);
}

.key-share-item.collected {
  background-color: var(--pointer-active-bg);
  border-color: var(--pointer-hover-ring);
}

.key-share-item .share-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.reconstruction-zone {
  border: 1px dashed var(--card-border);
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s var(--ease-premium), background-color 0.3s var(--ease-premium);
}

.reconstruction-zone.dragover {
  border-color: var(--text);
  background-color: var(--reconstruct-well-bg);
}

.zone-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, var(--border-glow) 0%, transparent 70%);
  pointer-events: none;
}

.zone-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.zone-subtitle {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 300;
  margin-bottom: 16px;
}

.reconstruct-progress {
  width: 100%;
  height: 3px;
  background-color: var(--card-border);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--text);
  transition: width 0.4s var(--ease-premium);
}

.secret-recovered-panel {
  margin-top: 24px;
  padding: 16px 20px;
  background-color: rgba(74, 222, 128, 0.02);
  border: 1px dashed rgba(74, 222, 128, 0.15);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease-premium), transform 0.4s var(--ease-premium);
}

.secret-recovered-panel.show {
  opacity: 1;
  transform: translateY(0);
}

.recovered-title {
  font-size: 10px;
  font-weight: 600;
  color: #4ade80;
  letter-spacing: 0.05em;
}

.recovered-secret {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  word-break: break-all;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--card-border);
  padding: 64px 24px;
  background-color: var(--footer-bg);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-brand-section {
  display: flex;
  flex-direction: column;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand .brand-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
}

.footer-brand .brand-sub {
  color: var(--text-muted);
  font-size: 11px;
}

.footer-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--text-muted);
  font-size: 11px;
}

.footer-links-grid {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 120px;
}

.footer-col-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.footer-link-item {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease-premium);
}

.footer-link-item:hover {
  color: var(--text);
}

/* Responsive Overrides */
@media (max-width: 900px) {
  .playground-layout,
  .quorum-layout {
    grid-template-columns: 1fr;
  }
  .ledger-chain {
    flex-direction: column;
    gap: 32px;
  }
  .chain-connector {
    height: 32px;
    width: 2px;
    margin: 16px 0;
  }
  .hero-title {
    font-size: 40px;
  }
  .site-header .header-container {
    padding: 16px;
  }
  .main-nav {
    display: none; /* Hide standard nav on mobile */
  }
}

/* ==========================================================================
   Pricing & Competitive Comparison Section
   ========================================================================== */
.pricing-section {
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 64px;
  align-items: stretch;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  min-height: 480px;
}

.pricing-card.featured {
  border-color: var(--featured-border);
  box-shadow: var(--featured-shadow);
}

.plan-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.featured-badge {
  color: var(--text);
}

.plan-price {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 12px;
}

.plan-price .currency {
  font-size: 24px;
  vertical-align: super;
  margin-right: 2px;
}

.plan-price .period {
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 4px;
}

.plan-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
  font-weight: 300;
  line-height: 1.5;
}

.plan-features {
  list-style: none;
  width: 100%;
  margin-bottom: 36px;
  flex-grow: 1;
}

.plan-features li {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
  position: relative;
  padding-left: 20px;
  font-weight: 300;
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--text);
  font-weight: 600;
}

.plan-features li strong {
  color: var(--text);
}

.plan-btn {
  margin-top: auto;
  text-align: center;
}

/* Comparison Table */
.comparison-container {
  margin-top: 80px;
  padding: 40px;
}

.comparison-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
  text-align: center;
}

.table-wrapper {
  overflow-x: auto;
}

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

.comparison-table th {
  padding: 18px 24px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--card-border);
}

.comparison-table th.sharebolt {
  color: var(--text);
}

.comparison-table td {
  padding: 20px 24px;
  font-size: 13px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-muted);
  font-weight: 300;
}

.comparison-table td.feature-name {
  color: var(--text);
  font-weight: 500;
}

.comparison-table td.sharebolt.highlighted {
  color: var(--text);
  font-weight: 500;
  background-color: var(--table-highlight-bg);
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

/* Plan Header Block & Cryptographic Meta Badges */
.plan-header-block {
  width: 100%;
  margin-bottom: 24px;
  border-bottom: 1px dashed var(--card-border);
  padding-bottom: 18px;
}

.plan-price-block {
  width: 100%;
  margin-bottom: 20px;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  text-transform: none;
  letter-spacing: normal;
}

.secure-badge-icon {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.featured .secure-badge-icon {
  color: #4ade80; /* Glowing green secure badge icon for featured plan */
}

.plan-crypto-meta {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  opacity: 0.7;
}

.highlighted-meta {
  color: #4ade80;
  opacity: 0.9;
}

/* ==========================================================================
   Client Downloads Section
   ========================================================================== */
.downloads-section {
  position: relative;
}

.downloads-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  align-items: stretch;
}

.download-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 340px;
}

.download-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.download-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.download-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
  font-weight: 300;
}

.mobile-badge-container {
  display: flex;
  gap: 16px;
  margin-top: auto;
  width: 100%;
}

.mobile-badge-container a {
  display: inline-block;
  cursor: none;
  transition: transform 0.2s var(--ease-premium);
}

.mobile-badge-container a:hover {
  transform: translateY(-2px);
}

.badge-svg {
  height: 40px;
  display: block;
}

.desktop-links-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
}

.desktop-release-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.os-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.os-icon {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.os-name {
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}

.download-action-btn {
  text-decoration: none;
  background-color: transparent;
  border: 1px solid var(--card-border);
  color: var(--text);
  font-size: 11px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: none;
  white-space: nowrap;
  display: inline-block;
  text-align: center;
  transition: background-color 0.2s var(--ease-premium), border-color 0.2s var(--ease-premium);
}

.download-action-btn:hover {
  background-color: var(--icon-bg);
  border-color: var(--text);
}

.release-hash {
  font-size: 9px;
  color: var(--t

/* -- Select dropdown option visibility -- */
select option {
  background-color: #1e293b;
  color: #f1f5f9;
}
[data-theme="light"] select option {
  background-color: #ffffff;
  color: #0f172a;
}
ase-hash:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Active Plan Highlights */
.pricing-card.active-plan {
  border-color: #4ade80 !important;
  box-shadow: 0 0 25px rgba(74, 222, 128, 0.15) !important;
}

.pricing-card.active-plan .plan-badge {
  color: #4ade80 !important;
}

/* Secure Payment Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(9, 9, 11, 0.6);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-premium);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 90%;
  max-width: 440px;
  padding: 32px;
  transform: scale(0.95);
  transition: transform 0.4s var(--ease-premium);
  background-color: var(--card);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.payment-tab {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: none;
  transition: color 0.3s var(--ease-premium), background-color 0.3s var(--ease-premium), border-color 0.3s var(--ease-premium);
}

.payment-tab.active {
  color: var(--text);
  background-color: var(--icon-bg);
  border-color: var(--card-border);
}

.payment-form .input-group {
  margin-bottom: 16px;
}

.payment-form .input-group label {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  display: block;
}

.payment-form .custom-input {
  width: 100%;
}

/* Toast Notification Styles */
.toast-container {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast-notification {
  background-color: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 16px 24px;
  border-radius: 10px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(12px);
  transform: translateX(120%);
  transition: transform 0.5s var(--ease-premium);
  pointer-events: auto;
  max-width: 380px;
}

.toast-notification.show {
  transform: translateX(0);
}

.toast-icon {
  width: 18px;
  height: 18px;
  color: #4ade80;
  flex-shrink: 0;
}

.toast-message {
  font-weight: 500;
  line-height: 1.4;
}

/* JSON Structured Logging Highlighting */
.json-key {
  color: #0d9488; /* Dark Teal */
  font-weight: 600;
}
.json-string {
  color: #16a34a; /* Green */
}
.json-number {
  color: #ea580c; /* Orange */
}
.json-boolean {
  color: #7c3aed; /* Violet */
}
.json-null {
  color: #71717a; /* Muted gray */
}

@media (prefers-color-scheme: dark) {
  .json-key {
    color: #38bdf8; /* Light Blue */
  }
  .json-string {
    color: #4ade80; /* Light Green */
  }
  .json-number {
    color: #fbbf24; /* Amber */
  }
  .json-boolean {
    color: #c084fc; /* Violet */
  }
  .json-null {
    color: #a1a1aa; /* Muted gray */
  }
}

/* Firebase Auth & Payment Panes Styling Custom Overrides */
#authForm .input-group {
  margin-bottom: 16px;
}
#authForm .input-group label {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
  display: block;
}
.google-btn:hover {
  background-color: #3f3f46 !important;
  border-color: var(--text-muted) !important;
}
.paypal-btn:hover {
  background-color: #e5af27 !important;
}
.razorpay-btn:hover {
  background-color: #287aab !important;
}
.close-modal-btn:hover {
  color: var(--text) !important;
}
.payment-tab:hover {
  color: var(--text);
  border-color: var(--card-border);
}