/**
 * Enhanced Loading Screen CSS
 * SmartAITest.com - Stage 1 UX Optimization
 */

/* ===== Fake Log Terminal Animation ===== */
.loading-terminal {
  width: 100%;
  max-width: 400px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 12px;
  padding: 1.5rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.75rem;
  line-height: 1.6;
  color: #00ff00;
  text-align: left;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.loading-terminal-header {
  display: flex;
  gap: 6px;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.loading-terminal-dot.red { background: #ff5f56; }
.loading-terminal-dot.yellow { background: #ffbd2e; }
.loading-terminal-dot.green { background: #27ca40; }

.loading-log-container {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.loading-log-scroll {
  animation: logScroll 4s linear;
}

@keyframes logScroll {
  0% { transform: translateY(100%); }
  100% { transform: translateY(-100%); }
}

.loading-log-line {
  opacity: 0;
  animation: logLineAppear 0.15s ease forwards;
  margin-bottom: 0.25rem;
}

.loading-log-line::before {
  content: '> ';
  color: #6366f1;
}

.loading-log-line.success::before {
  content: '✓ ';
  color: #10b981;
}

.loading-log-line.processing::before {
  content: '◉ ';
  color: #f59e0b;
  animation: processingPulse 0.5s ease-in-out infinite;
}

@keyframes processingPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes logLineAppear {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.loading-log-line .highlight {
  color: #ec4899;
}

.loading-log-line .data {
  color: #60a5fa;
}

.loading-log-line .success-text {
  color: #10b981;
}

.loading-log-line .warning-text {
  color: #f59e0b;
}

/* Progress indicator below terminal */
.loading-terminal-progress {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.loading-terminal-progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loading-terminal-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #ec4899, #6366f1);
  background-size: 200% 100%;
  animation: progressGradient 1s linear infinite;
  border-radius: 2px;
  transition: width 0.1s ease;
}

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

.loading-terminal-status {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Thumb Zone Optimization ===== */
.thumb-zone-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem 1rem calc(1rem + env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.8) 70%, transparent 100%);
  z-index: 100;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.thumb-zone-sticky.visible {
  transform: translateY(0);
}

.thumb-zone-sticky.gradient-bg-sticky {
  background: linear-gradient(to top,
    rgba(99, 102, 241, 0.98) 0%,
    rgba(99, 102, 241, 0.9) 50%,
    transparent 100%
  );
}

.thumb-zone-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
  border: none;
  border-radius: 16px;
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.thumb-zone-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 30px rgba(99, 102, 241, 0.5);
}

.thumb-zone-btn:active {
  transform: scale(0.98);
}

.thumb-zone-btn.secondary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: none;
}

.thumb-zone-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Share buttons in thumb zone */
.thumb-zone-share {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 400px;
  margin: 0 auto;
}

.thumb-zone-share-btn {
  flex: 1;
  min-width: 100px;
  max-width: 150px;
  padding: 0.875rem 1rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.thumb-zone-share-btn:hover {
  transform: translateY(-2px);
}

.thumb-zone-share-btn.download {
  background: white;
  color: #1f2937;
}

.thumb-zone-share-btn.share {
  background: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
  color: white;
}

/* Desktop: hide thumb zone sticky */
@media (min-width: 769px) {
  .thumb-zone-sticky {
    display: none;
  }
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .loading-terminal {
    max-width: 100%;
    padding: 1rem;
    font-size: 0.7rem;
    border-radius: 8px;
  }

  .loading-log-container {
    height: 150px;
  }

  .thumb-zone-btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    border-radius: 12px;
  }
}

/* ===== Loading Stage Enhanced ===== */
.loading-stage-enhanced {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  padding: 2rem 1rem;
}

.loading-stage-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: white;
  margin-bottom: 1.5rem;
  text-align: center;
}

.loading-stage-emoji {
  font-size: 3rem;
  margin-bottom: 1rem;
  animation: float 2s ease-in-out infinite;
}

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