/* Decision Lego - Sleek Dark Edition */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #555555;
  --accent: #ff3333;
  --accent-hover: #ff5555;
  --accent-blue: #3366ff;
  --accent-green: #33ff77;
  --accent-yellow: #ffcc00;
  --border: #2a2a2a;
  --border-light: #333333;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

/* Main App Layout */
.app {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* Left Panel */
.left-panel {
  width: 45%;
  min-width: 420px;
  max-width: 560px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Brand Header */
.brand {
  padding: 32px 40px;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 24px;
  color: var(--accent);
  line-height: 1;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

/* Step Indicator */
.step-indicator {
  padding: 24px 40px;
  position: relative;
}

.step-line {
  position: absolute;
  top: 50%;
  left: 40px;
  right: 40px;
  height: 2px;
  background: var(--border-light);
  transform: translateY(-50%);
}

.step-progress {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.4s ease;
}

.step-dots {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.step-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border-light);
  transition: all 0.3s ease;
}

.step-dot.active {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 20px rgba(255, 51, 51, 0.4);
}

.step-dot.completed {
  border-color: var(--accent);
  background: var(--accent);
}

/* Question Area */
.question-area {
  flex: 1;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.step-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.step-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.question-main {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 8px;
  line-height: 1.1;
}

.question-hint {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

/* Options */
.options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.options.compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.option-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  color: var(--text-primary);
  font-family: inherit;
}

.option-card:hover {
  border-color: var(--accent);
  background: var(--border);
  transform: translateX(8px);
}

.option-card.small {
  padding: 20px;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.option-number {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 28px;
}

.option-title {
  font-size: 18px;
  font-weight: 600;
  flex: 1;
}

.option-card.small .option-title {
  font-size: 16px;
}

.option-card.small .option-icon {
  font-size: 28px;
  margin-bottom: 4px;
}

.option-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Building State */
.building-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.loader-ring {
  width: 80px;
  height: 80px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 32px;
}

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

/* Result State */
.result-info {
  text-align: left;
}

.result-label {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: block;
}

.result-title {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 32px;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Sentiment-based colors */
.result-title.positive {
  background: linear-gradient(135deg, #33ff77, #00cc44);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-title.mixed {
  background: linear-gradient(135deg, #ffcc00, #ff9900);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-title.negative {
  background: linear-gradient(135deg, #ff3333, #cc0000);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-meta {
  display: flex;
  gap: 32px;
  margin-bottom: 48px;
  padding: 24px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meta-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.meta-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.action-btn:hover {
  background: var(--accent-hover);
  transform: translateX(4px);
}

.action-btn.secondary {
  background: transparent;
  border: 2px solid var(--border-light);
  color: var(--text-primary);
}

.action-btn.secondary:hover {
  border-color: var(--accent);
  background: var(--bg-tertiary);
}

/* Selection Preview */
.selection-preview {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 40px;
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 24px;
}

.preview-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.preview-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.preview-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 80px;
}

.preview-value.set {
  color: var(--text-primary);
}

.preview-divider {
  width: 1px;
  height: 30px;
  background: var(--border-light);
}

/* Right Panel */
.right-panel {
  flex: 1;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.visualization-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
}

.viz-state {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.viz-state.active {
  display: flex;
}

/* Welcome Graphic */
.welcome-graphic {
  text-align: center;
}

.floating-blocks {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto 40px;
}

.f-block {
  position: absolute;
  width: 60px;
  height: 40px;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.f-block::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 12px;
  background: inherit;
  border-radius: 50% 50% 4px 4px;
  filter: brightness(1.2);
}

.f-block.red {
  background: var(--accent);
  top: 20%;
  left: 10%;
  animation: float1 4s ease-in-out infinite;
}

.f-block.blue {
  background: var(--accent-blue);
  top: 50%;
  right: 10%;
  animation: float2 5s ease-in-out infinite 0.5s;
}

.f-block.yellow {
  background: var(--accent-yellow);
  bottom: 20%;
  left: 20%;
  animation: float3 4.5s ease-in-out infinite 1s;
}

.f-block.green {
  background: var(--accent-green);
  top: 30%;
  right: 25%;
  animation: float1 5.5s ease-in-out infinite 0.3s;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0) rotate(-5deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0) rotate(5deg); }
  50% { transform: translateY(-15px) rotate(-5deg); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-25px) rotate(3deg); }
}

.welcome-text {
  font-size: 20px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Building Animation */
.building-animation {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 120px;
  margin-bottom: 32px;
}

.construct-block {
  width: 50px;
  background: var(--border-light);
  border-radius: 4px;
  position: relative;
  animation: buildUp 0.8s ease-out forwards;
  opacity: 0;
}

.construct-block::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 14px;
  background: inherit;
  border-radius: 50% 50% 4px 4px;
  filter: brightness(1.2);
}

.construct-block.b1 {
  height: 50px;
  background: var(--accent);
  animation-delay: 0s;
}

.construct-block.b2 {
  height: 80px;
  background: var(--accent-blue);
  animation-delay: 0.2s;
}

.construct-block.b3 {
  height: 100px;
  background: var(--accent-yellow);
  animation-delay: 0.4s;
}

.construct-block.b4 {
  height: 60px;
  background: var(--accent-green);
  animation-delay: 0.6s;
}

@keyframes buildUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.loading-text {
  font-size: 18px;
  color: var(--text-secondary);
}

/* Image Frame */
.image-frame {
  width: 100%;
  max-width: 600px;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6);
  animation: frameIn 0.6s ease-out;
}

@keyframes frameIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Responsive */
@media (max-width: 900px) {
  .app {
    flex-direction: column;
  }
  
  .left-panel {
    width: 100%;
    max-width: none;
    min-width: auto;
    height: 60%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  
  .right-panel {
    height: 40%;
  }
  
  .visualization-container {
    padding: 30px;
  }
  
  .question-main {
    font-size: 32px;
  }
  
  .result-title {
    font-size: 36px;
  }
}

@media (max-width: 480px) {
  .brand, .step-indicator, .question-area {
    padding-left: 24px;
    padding-right: 24px;
  }
  
  .selection-preview {
    padding: 16px 24px;
  }
  
  .options.compact {
    grid-template-columns: 1fr;
  }
  
  .result-meta {
    flex-direction: column;
    gap: 16px;
  }
}