/* Custom Design System Tokens */
:root {
  --bg-dark: #07090e;
  --bg-panel: rgba(13, 19, 32, 0.65);
  --card-bg: rgba(22, 31, 51, 0.45);
  --card-hover: rgba(28, 40, 66, 0.55);
  --border-color: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(99, 102, 241, 0.4);
  
  --primary: #6366f1; /* Indigo */
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.25);
  
  --blue: #3b82f6;
  --purple: #8b5cf6;
  --green: #10b981;
  --cyan: #06b6d4;
  --yellow: #f59e0b;
  
  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --font-header: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global resets & scrollbars */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Custom scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Header style */
.app-header {
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-title-container h1 {
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 40%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 0.825rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 0.1rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.green {
  background-color: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}

.status-text {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Base button layouts */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-main);
  outline: none;
}

.btn-back {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
}

.btn-back:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-2px);
}

.btn-primary {
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 0 18px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-icon {
  flex-shrink: 0;
}

/* Segmented Buttons */
.btn-group-segmented {
  display: flex;
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 3px;
  border-radius: var(--radius-md);
  gap: 2px;
}

.btn-segment {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.5rem 0.25rem;
  border-radius: calc(var(--radius-md) - 2px);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn-segment:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
}

.btn-segment.active {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc; /* Indigo 300 */
  border: 1px solid rgba(99, 102, 241, 0.25);
  box-shadow: var(--shadow-sm);
}

/* Card components */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-glass);
}

.card-title {
  font-family: var(--font-header);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.title-icon {
  color: var(--primary);
}

/* Containers */
.app-container {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex: 1;
}

@media (min-width: 992px) {
  .app-container {
    flex-direction: row;
    align-items: flex-start;
  }
}

/* Sidebar panel layout */
.sidebar {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  flex-shrink: 0;
}

@media (min-width: 992px) {
  .sidebar {
    width: 320px;
  }
}

/* Input group components */
.input-group {
  margin-bottom: 1.25rem;
}

.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.slider-label-row label {
  margin-bottom: 0;
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--primary-glow);
  color: #a5b4fc;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.form-control {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.2);
}

/* Select wrapper styling */
.custom-select-wrapper {
  position: relative;
}

.custom-select-wrapper select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 2rem;
}

.custom-select-wrapper::after {
  content: "";
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-muted);
  pointer-events: none;
  transition: border-color var(--transition-fast);
}

.custom-select-wrapper:hover::after {
  border-top-color: var(--text-secondary);
}

.helper-text {
  display: block;
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* Information card */
.info-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--border-color);
}

.info-title {
  font-family: var(--font-header);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.info-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  line-height: 1.45;
}

.info-card p:last-child {
  margin-bottom: 0;
}

/* Main content workspace layout */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

/* Metrics Row layout */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 576px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.metric-card {
  padding: 1rem 1.25rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
}

.metric-card:nth-child(1)::before { background-color: var(--blue); }
.metric-card:nth-child(2)::before { background-color: var(--purple); }
.metric-card:nth-child(3)::before { background-color: var(--green); }

.metric-card:hover {
  transform: translateY(-2px);
}

.metric-card:nth-child(1):hover { border-color: rgba(59, 130, 246, 0.3); }
.metric-card:nth-child(2):hover { border-color: rgba(139, 92, 246, 0.3); }
.metric-card:nth-child(3):hover { border-color: rgba(16, 185, 129, 0.3); }

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.metric-title {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-icon {
  opacity: 0.75;
}

.metric-icon.blue { color: var(--blue); }
.metric-icon.purple { color: var(--purple); }
.metric-icon.green { color: var(--green); }

.metric-value {
  font-family: var(--font-header);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.text-blue { color: #60a5fa; }
.text-purple { color: #a78bfa; }
.text-green { color: #34d399; }
.text-yellow { color: #fbbf24; }

.metric-sub {
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Image comparison canvases box */
.display-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .display-container {
    flex-direction: row;
    justify-content: space-around;
  }
}

.canvas-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 280px;
}

.canvas-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.canvas-wrapper {
  position: relative;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 8px;
}

canvas {
  display: block;
  max-width: 100%;
  width: 256px;
  height: 256px;
  border-radius: 4px;
}

.canvas-overlay {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.spinner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: 10;
}

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

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(99, 102, 241, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}

.spinner-overlay span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Secondary detailed bits analysis */
.bits-detail-card {
  padding: 1.25rem 1.5rem;
}

.bits-title {
  font-family: var(--font-header);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.bits-columns {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .bits-columns {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.bits-column {
  flex: 1;
  min-width: 0;
}

.bits-column.arrow-column {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  color: var(--text-muted);
}

@media (max-width: 767px) {
  .bits-column.arrow-column {
    transform: rotate(90deg);
    margin: -0.25rem 0;
  }
}

.arrow-right-icon {
  opacity: 0.5;
}

.bits-column.border-left {
  position: relative;
}

@media (min-width: 768px) {
  .bits-column.border-left {
    border-left: 1px solid var(--border-color);
    padding-left: 2rem;
  }
}

.bits-label {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
}

.bits-value {
  font-family: var(--font-header);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.bits-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.bits-details-list {
  display: flex;
  gap: 0.75rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  flex-wrap: wrap;
}

.hidden {
  display: none !important;
}

/* Code Vector Grid style */
.codebook-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.codebook-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.codebook-title {
  font-family: var(--font-header);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.codebook-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.codebook-count-badge {
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
}

.code-vectors-scroll-container {
  max-height: 250px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.code-vectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: 0.75rem;
  justify-items: center;
}

.code-vector-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 4px;
  width: 100%;
  max-width: 56px;
  transition: all var(--transition-fast);
}

.code-vector-item:hover {
  transform: scale(1.08);
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.1);
  background: rgba(99, 102, 241, 0.05);
}

.code-vector-item canvas {
  width: 32px;
  height: 32px;
  display: block;
  background: #000;
  border-radius: 2px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.code-vector-index {
  font-family: var(--font-header);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1;
  text-align: center;
}

/* Footer layout */
.app-footer {
  background: rgba(0, 0, 0, 0.4);
  border-top: 1px solid var(--border-color);
  padding: 1rem;
  text-align: center;
  font-size: 0.725rem;
  color: var(--text-muted);
  margin-top: auto;
}

/* Keyframes for animations */
@keyframes pulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

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