/* Urban Weave Color Palette - Denim-inspired sophistication */
:root {
  /* Primary Colors - Deep Denim Blues */
  --raw-denim: #1a2332;        /* Deepest indigo base */
  --dark-wash: #2c3e50;        /* Classic dark blue */
  --medium-wash: #445a74;      /* Balanced blue */
  --midnight-denim: #2c3e50;   /* Alias for compatibility */
  
  /* Accent Colors - Woven Accents */
  --chambray-blue: #648ab5;    /* Soft, professional blue */
  --sage-thread: #7ba098;      /* Muted green */
  --brass-rivet: #d4a574;      /* Warm metallic */
  --stitch-blue: #648ab5;      /* Alias for chambray */
  
  /* Neutral Colors - Fabric Textures */
  --charcoal-denim: #2c3440;   /* Darkest surface */
  --graphite-wash: #3d4551;    /* Mid-tone surface */
  --natural-canvas: #f5e6d8;   /* Light background */
  --cotton-white: #ecf0f1;     /* Primary text */
  --faded-blue: #b8c5d0;       /* Secondary text */
  --stone-wash: #7f8c8d;       /* Muted text */
  
  /* Legacy aliases for compatibility */
  --graphite: #3d4551;         /* Maps to graphite-wash */
  --cloud-white: #ecf0f1;      /* Maps to cotton-white */
  --silver-stitch: #b8c5d0;    /* Maps to faded-blue */
  
  /* Semantic Colors - Functional Threads */
  --success: #7ba098;          /* Sage Thread */
  --error: #cc695c;            /* Rust Patina */
  --warning: #e8c68a;          /* Golden Stitch */
  --info: #648ab5;             /* Chambray */
  
  /* Special Elements */
  --rust-patina: #cc695c;      /* Error states */
  --golden-stitch: #e8c68a;    /* Warnings */
  --wisteria: #8b7aa0;         /* Special highlights */
  --emerald-thread: #7ba098;   /* Success states */

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition: all 0.2s ease;
}

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

body {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  background-color: var(--cloud-white);
  color: var(--midnight-denim);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
  position: relative;
}

.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--stitch-blue),
    transparent
  );
  opacity: 0.5;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  animation: fadeInDown 0.6s ease-out;
}

.logo svg {
  filter: drop-shadow(0 2px 4px rgba(100, 138, 181, 0.1));
  transition: var(--transition);
}

.logo:hover svg {
  transform: scale(1.05);
  filter: drop-shadow(0 4px 8px rgba(100, 138, 181, 0.2));
}

.logo h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--midnight-denim);
  letter-spacing: -0.02em;
  background: linear-gradient(
    135deg,
    var(--midnight-denim),
    var(--stitch-blue)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--chambray-blue);
  font-size: 1.125rem;
  font-weight: 500;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* Search Section */
.search-section {
  background: var(--cotton-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(68, 90, 116, 0.08);
  border: 1px solid rgba(184, 197, 208, 0.3);
}

.search-container {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.search-input {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  border: 2px solid var(--silver-stitch);
  border-radius: var(--radius-md);
  background: var(--cotton-white);
  color: var(--midnight-denim);
  transition: all 0.3s ease;
  position: relative;
}

.search-input:focus {
  outline: none;
  border-color: var(--stitch-blue);
  box-shadow: 0 0 0 3px rgba(100, 138, 181, 0.1);
  background: linear-gradient(to right, var(--cotton-white) 99%, var(--cotton-white) 100%);
}

.search-input:hover {
  border-color: var(--chambray-blue);
}
.search-input::placeholder {
  color: var(--faded-blue);
}

.search-button {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--stitch-blue);
  color: var(--cotton-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.search-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(236, 240, 241, 0.2);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
}

.search-button:hover {
  background: var(--medium-wash);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(100, 138, 181, 0.3);
}

.search-button:hover::before {
  width: 300px;
  height: 300px;
}

.search-button:active {
  transform: translateY(0);
}

.search-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
/* Strategy Section */
.strategy-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.strategy-label {
  font-weight: 500;
  color: var(--graphite);
}

.strategy-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--silver-stitch);
  border-radius: var(--radius-sm);
  background: var(--cotton-white);
  color: var(--midnight-denim);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.strategy-select:focus {
  outline: none;
  border-color: var(--stitch-blue);
}

/* Quick Actions */
.quick-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.action-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--cotton-white);
  color: var(--graphite);
  border: 2px solid var(--silver-stitch);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.action-button:hover {
  border-color: var(--stitch-blue);
  color: var(--stitch-blue);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(100, 138, 181, 0.15);
}

/* Results Section */
.results-section {
  background: var(--cotton-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(68, 90, 116, 0.08);
  border: 1px solid rgba(184, 197, 208, 0.3);
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--silver-stitch);
}

.results-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--midnight-denim);
}

.export-button {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  color: var(--stitch-blue);
  border: 1px solid var(--stitch-blue);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.export-button:hover {
  background: var(--stitch-blue);
  color: var(--cotton-white);
}

.results-content {
  color: var(--graphite);
  line-height: 1.8;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  max-width: 100%;
}
.results-content h3 {
  color: var(--midnight-denim);
  margin: var(--spacing-lg) 0 var(--spacing-md);
  font-size: 1.25rem;
}

.results-content p {
  margin-bottom: var(--spacing-md);
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}
.results-content ul {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.results-content li {
  margin-bottom: var(--spacing-sm);
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.results-content .source-list {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--silver-stitch);
}

.results-content .source-item {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--chambray-blue);
  font-size: 0.875rem;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.results-content .source-item a {
  color: var(--stitch-blue);
  text-decoration: none;
  word-break: break-all;
  flex: 1;
}

.results-content .source-item a:hover {
  text-decoration: underline;
}
/* Loading State */
.loading-state {
  text-align: center;
  padding: var(--spacing-xl) 0;
  animation: fadeIn 0.3s ease-out;
}

/* Interference Pattern Animation - Denim Thread Weave */
.interference-container {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--spacing-lg);
  position: relative;
  filter: drop-shadow(0 0 20px rgba(100, 138, 181, 0.2));
}

.interference-pattern {
  width: 100%;
  height: 100%;
  transform: translateZ(0); /* Enable GPU acceleration */
}

.interference-ring {
  transform-origin: center;
  animation: pulseRing 3s ease-in-out infinite;
}

.ring-1 {
  animation-delay: 0s;
  animation-duration: 3s;
}

.ring-2 {
  animation-delay: 0.5s;
  animation-duration: 3.5s;
}

.ring-3 {
  animation-delay: 1s;
  animation-duration: 4s;
}

@keyframes pulseRing {
  0%, 100% {
    r: 30;
    opacity: 0;
    stroke: var(--chambray-blue);
  }
  50% {
    r: 80;
    opacity: 1;
    stroke: var(--medium-wash);
  }
}

/* Particle animation for data streams - Thread Particles */
.particle {
  fill: var(--chambray-blue);
  opacity: 0.6;
  animation: particleFloat 4s ease-in-out infinite;
}

@keyframes particleFloat {
  0% {
    transform: translate(0, 0) scale(0);
    opacity: 0;
  }
  20% {
    opacity: 0.4;
    transform: translate(10px, -10px) scale(1);
  }
  80% {
    opacity: 0.4;
    transform: translate(-10px, 10px) scale(1);
  }
  100% {
    transform: translate(0, 0) scale(0);
    opacity: 0;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .interference-ring,
  .particle {
    animation: none;
  }
  
  .interference-ring {
    r: 60;
    opacity: 0.5;
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(0.8);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.6;
  }
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.loading-state p {
  color: var(--graphite);
  font-weight: 500;
}

.loading-primary {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  transition: opacity 0.3s ease;
}

.loading-primary span {
  font-weight: 600;
  color: var(--stitch-blue);
  transition: opacity 0.3s ease;
}

.loading-secondary {
  font-size: 0.9rem;
  color: var(--faded-blue);
  font-weight: 400;
  margin-top: 0;
  transition: opacity 0.3s ease;
}

.loading-secondary span {
  font-weight: 600;
  color: var(--medium-wash);
}

@keyframes fadeInOut {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.loading-progress {
  width: 200px;
  height: 4px;
  background-color: var(--faded-blue);
  border-radius: 2px;
  margin: 1rem auto 0;
  overflow: hidden;
  opacity: 0.3;
}

.progress-bar {
  height: 100%;
  background-color: var(--stitch-blue);
  width: 0%;
  animation: progressAnimation 180s linear forwards;
  border-radius: 2px;
}

@keyframes progressAnimation {
  0% {
    width: 0%;
  }
  10% {
    width: 15%;
  }
  30% {
    width: 35%;
  }
  50% {
    width: 55%;
  }
  70% {
    width: 75%;
  }
  90% {
    width: 90%;
  }
  100% {
    width: 95%;
  }
}

.dots {
  display: inline-block;
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%,
  20% {
    content: '.';
  }
  40% {
    content: '..';
  }
  60%,
  100% {
    content: '...';
  }
}

/* Removed old spinner styles - using interference pattern instead */

.dots {
  display: inline-block;
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%,
  20% {
    content: '.';
  }
  40% {
    content: '..';
  }
  60%,
  100% {
    content: '...';
  }
}

/* Research Status Panel */
.research-status-panel {
  margin: var(--spacing-lg) auto;
  max-width: 480px;
  background: rgba(68, 90, 116, 0.05);
  border: 1px solid rgba(100, 138, 181, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  animation: fadeIn 0.5s ease-out 0.3s both;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.status-item {
  text-align: center;
}

.status-label {
  display: block;
  font-size: 0.75rem;
  color: var(--faded-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.status-value {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--chambray-blue);
  transition: all 0.3s ease;
}

.current-thought {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(236, 240, 241, 0.5);
  border-radius: var(--radius-sm);
  min-height: 2.5rem;
}

.thought-indicator {
  width: 8px;
  height: 8px;
  background: var(--stitch-blue);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.thought-text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--graphite);
  font-style: italic;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
}

/* Update loading state spacing */
.loading-state .loading-secondary {
  margin-bottom: var(--spacing-lg);
}

/* Error State */
.error-state {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

/* Process Matrix */
.process-matrix {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: rgba(236, 240, 241, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(184, 197, 208, 0.2);
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.matrix-cell {
  background: var(--cotton-white);
  border: 1px solid var(--silver-stitch);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.matrix-cell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--silver-stitch);
  transition: background 0.3s ease;
}

.matrix-cell.active {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(100, 138, 181, 0.15);
  border-color: var(--stitch-blue);
}

.matrix-cell.active::before {
  background: var(--stitch-blue);
  animation: progressPulse 1.5s ease-in-out infinite;
}

@keyframes progressPulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.matrix-cell.completed {
  border-color: var(--sage-thread);
}

.matrix-cell.completed::before {
  background: var(--sage-thread);
}

.cell-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.cell-icon {
  font-size: 1.2rem;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.matrix-cell.active .cell-icon,
.matrix-cell.completed .cell-icon {
  filter: grayscale(0%);
}

.cell-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--graphite);
}

.matrix-cell.active .cell-title {
  color: var(--stitch-blue);
}

.matrix-cell.completed .cell-title {
  color: var(--sage-thread);
}

.cell-preview {
  font-size: 0.75rem;
  color: var(--faded-blue);
  line-height: 1.4;
  height: 2.8em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: all 0.3s ease;
}

.matrix-cell.active .cell-preview {
  color: var(--graphite);
  font-style: italic;
}

.matrix-cell.completed .cell-preview {
  color: var(--chambray-blue);
}

.matrix-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--silver-stitch);
}

.error-state svg {
  margin-bottom: var(--spacing-md);
}

.error-state p {
  color: var(--error);
  margin-bottom: var(--spacing-lg);
  font-weight: 500;
}

.retry-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--error);
  color: var(--cotton-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.retry-button:hover {
  background: var(--rust-patina);
}

/* Footer */
.footer {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--silver-stitch);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--chambray-blue);
  font-size: 0.875rem;
}

.stats {
  display: flex;
  gap: var(--spacing-lg);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-links a {
  color: var(--stitch-blue);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--midnight-denim);
}

.separator {
  color: var(--faded-blue);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(68, 90, 116, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--cotton-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(68, 90, 116, 0.2);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--silver-stitch);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--midnight-denim);
}

.close-button {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--chambray-blue);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.close-button:hover {
  background: var(--cloud-white);
  color: var(--midnight-denim);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
}

.modal-description {
  color: var(--graphite);
  margin-bottom: var(--spacing-md);
}

.multi-search-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--silver-stitch);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.875rem;
  resize: vertical;
  transition: var(--transition);
}

.multi-search-input:focus {
  outline: none;
  border-color: var(--stitch-blue);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--silver-stitch);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.button-primary,
.button-secondary {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.button-primary {
  background: var(--stitch-blue);
  color: var(--cotton-white);
}

.button-primary:hover {
  background: var(--medium-wash);
}

.button-secondary {
  background: transparent;
  color: var(--graphite);
  border: 1px solid var(--silver-stitch);
}

.button-secondary:hover {
  background: var(--cloud-white);
}

/* Health Status */
.health-status {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.health-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.health-item.healthy {
  color: var(--sage-thread);
  background: rgba(123, 160, 152, 0.1);
}

.health-item.unhealthy {
  color: var(--error);
  background: rgba(204, 105, 92, 0.1);
}

/* Research Result Styling */
.search-result,
.research-result {
  max-width: 100%;
}

.research-meta {
  background: var(--cloud-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  border-left: 4px solid var(--stitch-blue);
}

.research-meta p {
  margin: var(--spacing-xs) 0;
  font-size: 0.875rem;
}

/* Multi-Results Styling */
.multi-results {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.result-item {
  padding: var(--spacing-lg);
  background: var(--cloud-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--silver-stitch);
  transition: var(--transition);
}

.result-item:hover {
  border-color: var(--stitch-blue);
  box-shadow: 0 2px 8px rgba(100, 138, 181, 0.1);
}

.result-item h3 {
  color: var(--midnight-denim);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.result-item p {
  color: var(--graphite);
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Code blocks */
.results-content pre {
  background: var(--cloud-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
  border: 1px solid var(--silver-stitch);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Enhanced source list */
.source-list {
  background: var(--cloud-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-xl);
}

.source-list h4 {
  color: var(--midnight-denim);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  font-weight: 600;
}

/* Multi-Strategy Results */
.all-strategies-results {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.combined-summary {
  background: var(--cloud-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--stitch-blue);
}

.combined-summary h3 {
  margin-bottom: var(--spacing-md);
  color: var(--midnight-denim);
}

.combined-summary h4 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  color: var(--graphite);
  font-size: 1rem;
}

.consensus-count {
  font-size: 0.875rem;
  color: var(--chambray-blue);
  font-weight: 600;
}

/* Strategy Tabs */
.strategy-tabs {
  background: var(--cotton-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(68, 90, 116, 0.08);
}

.tab-buttons {
  display: flex;
  background: var(--cloud-white);
  border-bottom: 2px solid var(--faded-blue);
  overflow-x: auto;
}

.tab-button {
  flex: 1;
  min-width: 120px;
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: none;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--chambray-blue);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.tab-button:hover {
  background: rgba(74, 111, 165, 0.05);
  color: var(--stitch-blue);
}

.tab-button.active {
  color: var(--midnight-denim);
  background: var(--cotton-white);
}

.tab-button.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--stitch-blue);
}

.tab-content {
  position: relative;
}

.strategy-content {
  display: none;
  padding: var(--spacing-xl);
  animation: fadeIn 0.3s ease;
}

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

.strategy-content h4 {
  color: var(--midnight-denim);
  margin: var(--spacing-lg) 0 var(--spacing-md);
  font-size: 1.125rem;
}

.strategy-content ul {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.strategy-content li {
  margin-bottom: var(--spacing-sm);
  color: var(--graphite);
}

/* Failed Strategies */
.failed-strategies {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: rgba(204, 105, 92, 0.05);
  border: 1px solid rgba(204, 105, 92, 0.2);
  border-radius: var(--radius-md);
}

.failed-strategies h4 {
  color: var(--error);
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
}

.failed-strategies ul {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--graphite);
}

.failed-strategies li {
  margin-bottom: var(--spacing-xs);
  font-size: 0.875rem;
}

.retry-failed-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--error);
  color: var(--cotton-white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.retry-failed-btn:hover {
  background: var(--rust-patina);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(204, 105, 92, 0.3);
}

/* Execution Mode Switch */
.execution-mode {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: var(--spacing-lg);
  gap: var(--spacing-sm);
}

.mode-switch {
  position: relative;
  display: inline-block;
  width: 200px;
  height: 36px;
}

.mode-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.mode-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--stitch-blue);
  border-radius: 18px;
  transition: var(--transition);
}

.mode-slider:before {
  position: absolute;
  content: "";
  height: 28px;
  width: 96px;
  left: 4px;
  bottom: 4px;
  background-color: var(--cotton-white);
  border-radius: 18px;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.mode-switch input:checked + .mode-slider {
  background-color: var(--chambray-blue);
}

.mode-switch input:checked + .mode-slider:before {
  transform: translateX(96px);
}

.mode-label-left,
.mode-label-right {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.875rem;
  font-weight: 500;
  pointer-events: none;
  user-select: none;
  transition: var(--transition);
}

.mode-label-left {
  left: 20px;
  color: var(--cotton-white);
}

.mode-label-right {
  right: 36px;
  color: var(--graphite);
}

.mode-switch input:checked ~ .mode-label-left {
  color: var(--graphite);
}

.mode-switch input:checked ~ .mode-label-right {
  color: var(--cotton-white);
}

.mode-info {
  font-size: 0.875rem;
  color: var(--chambray-blue);
  font-style: italic;
}

/* Queue Status Panel */
.queue-status {
  background: var(--cloud-white);
  border: 1px solid var(--silver-stitch);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.3s ease-out;
}

.queue-status h3 {
  margin-bottom: var(--spacing-md);
  color: var(--midnight-denim);
  font-size: 1.125rem;
}

.queue-position {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.queue-position-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--stitch-blue);
}

.queue-position-text {
  color: var(--graphite);
}

.queue-info {
  background: var(--cotton-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin: var(--spacing-md) 0;
  border: 1px solid var(--silver-stitch);
}

.queue-info p {
  margin: var(--spacing-xs) 0;
  color: var(--graphite);
  font-size: 0.875rem;
}

.queue-info strong {
  color: var(--midnight-denim);
  font-weight: 600;
}

.queue-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.queue-stat {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.queue-stat-label {
  font-size: 0.75rem;
  color: var(--chambray-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.queue-stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--midnight-denim);
}

.queue-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.queue-action-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--silver-stitch);
  border-radius: var(--radius-sm);
  background: var(--cotton-white);
  color: var(--graphite);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.queue-action-btn:hover {
  background: var(--cloud-white);
  border-color: var(--stitch-blue);
  color: var(--stitch-blue);
}

.queue-action-btn.danger {
  color: var(--error);
  border-color: rgba(204, 105, 92, 0.3);
}

.queue-action-btn.danger:hover {
  background: rgba(204, 105, 92, 0.05);
  border-color: var(--error);
}

/* Utility Classes */
.hidden {
  display: none !important;
}
/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md);
  }

  .search-container {
    flex-direction: column;
  }

  .search-button {
    width: 100%;
    justify-content: center;
  }

  .quick-actions {
    flex-wrap: wrap;
  }

  .action-button {
    flex: 1;
    min-width: 140px;
  }

  .footer {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .modal-content {
    width: 95%;
    margin: var(--spacing-md);
  }

  .status-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .research-status-panel {
    max-width: 100%;
    padding: var(--spacing-sm);
  }

  .matrix-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

/* Error result item styling */
.result-item.error {
  background: var(--natural-canvas);
  border-color: var(--error);
}

.result-item.error h3 {
  color: var(--error);
}

.result-item p.error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

/* Stats summary for multi-results */
.stats-summary {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--cloud-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--silver-stitch);
}

.stats-summary p {
  color: var(--chambray-blue);
  font-size: 0.875rem;
  margin: var(--spacing-xs) 0;
}