/* Demo App Styles - Sleek Dark Gaming Theme (BitChat/Root Inspired) */

.demo-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #000000;
  color: #e4e4e7;
}

/* Loading Screen */
.loading-screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #0a0a0f;
  color: #e4e4e7;
}

.loading-spinner {
  font-size: 4rem;
  animation: pulse 2s ease-in-out infinite;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.6));
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.loading-screen p {
  font-size: 1.2rem;
  opacity: 0.7;
  font-weight: 500;
}

/* Header */
.demo-header {
  background: #18181b;
  border-bottom: 1px solid #27272a;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  padding: 10 2px 10px rgba(0, 0, 0, 0.1);
  padding: 1.5rem 2rem;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-section h1 {
  margin: 0;
  font-size: 1.75rem;
  color: #00d9ff;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

.tagline {
  margin: 0.25rem 0 0 0;
  color: #71717a;
  font-size: 0.875rem;
  font-weight: 500;
}

.user-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.user-name {
  font-weight: 600;
  color: #e4e4e7;
}

.user-email {
  font-size: 0.8rem;
  color: #71717a;
}

/* Navigation */
.demo-nav {
  background: #18181b;
  border-bottom: 1px solid #27272a;
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: #3f3f46 transparent;
}

.demo-nav::-webkit-scrollbar {
  height: 6px;
}

.demo-nav::-webkit-scrollbar-track {
  background: transparent;
}

.demo-nav::-webkit-scrollbar-thumb {
  background: #3f3f46;
  border-radius: 3px;
}

.nav-tab {
  background: #09090b;
  border: 1px solid #27272a;
  padding: 0.625rem 1.25rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  min-width: 120px;
  color: #a1a1aa;
  font-size: 0.875rem;
}

.nav-tab:hover {
  background: #18181b;
  border-color: #3f3f46;
  color: #e4e4e7;
  transform: translateY(-1px);
}

.nav-tab.active {
  background: linear-gradient(135deg, #00d9ff 0%, #00ff88 100%);
  border-color: transparent;
  color: #000000;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 217, 255, 0.4);
}

.tab-label {
  font-weight: 600;
  font-size: 0.8rem;
}

.tab-phase {
  font-size: 0.65rem;
  opacity: 0.7;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.nav-tab.active .tab-phase {
  background: rgba(255, 255, 255, 0.15);
  opacity: 0.9;
}

/* Main Content */
.demo-main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
}

/* Overview Section */
.overview-section {
  background: #18181b;
  border: 1px solid #27272a;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.overview-section h2 {
  margin: 0 0 0.75rem 0;
  color: #e4e4e7;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.intro {
  color: #a1a1aa;
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature-card {
  background: #09090b;
  border: 1px solid #27272a;
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #00d9ff, #00ff88);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: #3f3f46;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(139, 92, 246, 0.1);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.3));
}

.feature-card h3 {
  margin: 0.5rem 0;
  color: #e4e4e7;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: #71717a;
  margin: 0.5rem 0 1rem 0;
  line-height: 1.5;
  font-size: 0.9rem;
}

.feature-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-card ul li {
  padding: 0.4rem 0;
  color: #a1a1aa;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-card ul li:before {
  content: "✓";
  color: #00d9ff;
  font-weight: bold;
  font-size: 0.875rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.phase-1 { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.phase-2 { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.phase-3 { background: rgba(34, 197, 94, 0.15); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.3); }
.phase-4 { background: rgba(251, 146, 60, 0.15); color: #fb923c; border: 1px solid rgba(251, 146, 60, 0.3); }
.phase-5 { background: rgba(236, 72, 153, 0.15); color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.3); }
.phase-6 { background: rgba(234, 179, 8, 0.15); color: #fbbf24; border: 1px solid rgba(234, 179, 8, 0.3); }

/* Status Section */
.status-section {
  background: linear-gradient(135deg, #18181b 0%, #27272a 100%);
  border: 1px solid #3f3f46;
  color: #e4e4e7;
  padding: 2rem;
  border-radius: 12px;
  margin: 2rem 0;
  position: relative;
  overflow: hidden;
}

.status-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
}

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

.status-section h3 {
  margin: 0 0 1rem 0;
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
}

.status-section p {
  margin: 0.5rem 0;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.platform-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1rem 0;
  position: relative;
  z-index: 1;
}

.platform-badge {
  background: rgba(24, 24, 27, 0.6);
  border: 1px solid #3f3f46;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  backdrop-filter: blur(10px);
  transition: all 0.2s;
}

.platform-badge:hover {
  background: rgba(0, 217, 255, 0.15);
  border-color: #00d9ff;
  transform: translateY(-2px);
}

.timeline {
  font-style: italic;
  opacity: 0.8;
  margin-top: 1rem;
  position: relative;
  z-index: 1;
}

/* Quick Stats */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: #09090b;
  border: 1px solid #27272a;
  border-radius: 12px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #00d9ff, #00ff88);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.stat:hover {
  border-color: #3f3f46;
  transform: translateY(-4px);
}

.stat:hover::before {
  transform: scaleX(1);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, #00d9ff 0%, #00ff88 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: #71717a;
  margin-top: 0.5rem;
  font-weight: 500;
}

/* Feature Section */
.feature-section {
  background: #18181b;
  border: 1px solid #27272a;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  min-height: 500px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #27272a;
}

.section-header h2 {
  margin: 0;
  color: #e4e4e7;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-description {
  color: #a1a1aa;
  margin-bottom: 2rem;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Footer */
.demo-footer {
  background: #18181b;
  border-top: 1px solid #27272a;
  margin-top: auto;
  padding: 2rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.footer-section h4 {
  margin: 0 0 1rem 0;
  background: linear-gradient(135deg, #00d9ff 0%, #00ff88 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1rem;
  font-weight: 600;
}

.footer-section p {
  color: #71717a;
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  padding: 0.375rem 0;
  font-size: 0.875rem;
  color: #71717a;
  transition: color 0.2s;
}

.footer-section ul li:hover {
  color: #a1a1aa;
}

.footer-section ul li a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-section ul li a:hover {
  color: #00d9ff;
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid #27272a;
}

.footer-bottom p {
  margin: 0;
  color: #52525b;
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .user-info {
    align-items: center;
  }
  
  .demo-nav {
    flex-wrap: nowrap;
    justify-content: flex-start;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}
