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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
  color: #111827;
  background: #F9FAFB;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Site Header */
.site-header {
  background: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: #1F2937;
  text-decoration: none;
}

.header-nav {
  display: flex;
  gap: 24px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: #6B7280;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #3B82F6;
}

/* Dashboard Container */
.dashboard-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 24px;
}

.dashboard-header {
  margin-bottom: 32px;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.dashboard-header h1 {
  font-size: 32px;
  font-weight: 700;
  color: #111827;
  margin: 0;
  line-height: 1.2;
}

.header-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: right;
  font-size: 14px;
  color: #6B7280;
}

.result-count {
  font-weight: 500;
}

.result-count strong {
  color: #111827;
  font-weight: 600;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid #E5E7EB;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

.filter-label {
  font-size: 12px;
  font-weight: 600;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.filter-select {
  padding: 8px 12px;
  border: 1px solid #D1D5DB;
  border-radius: 8px;
  background: #FFFFFF;
  font-size: 14px;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-select:hover {
  border-color: #3B82F6;
  background: #F9FAFB;
}

.filter-select:focus {
  outline: none;
  border-color: #3B82F6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Founder Grid */
.founder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin: 32px 0;
}

/* Founder Card */
.founder-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 280px;
  padding: 24px;
  gap: 16px;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.founder-card:hover {
  border-color: #3B82F6;
  box-shadow: 0 4px 12px 0 rgba(59, 130, 246, 0.15);
  transform: translateY(-2px);
}

.founder-card:focus-visible {
  outline: 2px solid #3B82F6;
  outline-offset: 2px;
}

/* Card Header */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.founder-meta {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  flex: 1;
  min-width: 0;
}

.avatar {
  width: 64px;
  height: 64px;
  min-width: 64px;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 24px;
  flex-shrink: 0;
}

.avatar img {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.name-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.name {
  font-size: 20px;
  font-weight: 600;
  color: #111827;
  margin: 0;
  line-height: 1.2;
  word-break: break-word;
}

.location {
  font-size: 14px;
  color: #6B7280;
  margin: 0;
}

/* Score Badge */
.score-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 12px;
  font-weight: 700;
  flex-shrink: 0;
  background: #DBEAFE;
  color: #1E40AF;
  border: 1px solid #BFDBFE;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.score-badge[data-score-range="exceptional"] {
  background: #D1FAE5;
  color: #065F46;
  border-color: #A7F3D0;
  box-shadow: 0 4px 6px rgba(16, 185, 129, 0.15);
}

.score-badge[data-score-range="strong"] {
  background: #DBEAFE;
  color: #1E40AF;
  border-color: #BFDBFE;
}

.score-badge[data-score-range="promising"] {
  background: #FEF3C7;
  color: #92400E;
  border-color: #FCD34D;
}

.score-badge[data-score-range="emerging"] {
  background: #F3F4F6;
  color: #4B5563;
  border-color: #D1D5DB;
}

.score-badge[data-score-range="new"] {
  background: #F9FAFB;
  color: #9CA3AF;
  border-color: #E5E7EB;
}

.score-badge:hover {
  transform: scale(1.05);
}

.score-number {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}

.score-label {
  font-size: 11px;
  font-weight: 500;
  margin-top: 4px;
  opacity: 0.7;
}

/* Signal Tags */
.signal-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.signal-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #F3F4F6;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: #374151;
  border: 1px solid #E5E7EB;
  width: fit-content;
  transition: all 0.2s ease;
}

.signal-tag.active {
  background: #DBEAFE;
  color: #1E40AF;
  border-color: #93C5FD;
}

.signal-value {
  font-weight: 600;
}

.signal-tag:hover {
  transform: translateX(2px);
}

/* Card Footer */
.card-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid #E5E7EB;
}

.view-profile-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: #3B82F6;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.view-profile-link:hover {
  gap: 8px;
  color: #1D4ED8;
}

.view-profile-link::after {
  content: '→';
  font-size: 16px;
}

/* Detail Page */
.detail-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px;
}

.detail-back {
  margin-bottom: 24px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: #6B7280;
  text-decoration: none;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: #3B82F6;
}

.detail-hero {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 32px;
  align-items: start;
  padding: 32px;
  background: linear-gradient(135deg, #F3F4F6 0%, #FFFFFF 100%);
  border-radius: 12px;
  margin-bottom: 32px;
}

.detail-avatar {
  width: 150px;
  height: 150px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366F1, #8B5CF6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: #FFFFFF;
  font-weight: 700;
}

.detail-info h1 {
  font-size: 32px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 8px 0;
}

.detail-bio {
  font-size: 16px;
  color: #6B7280;
  margin: 16px 0;
  line-height: 1.6;
}

.detail-meta {
  display: flex;
  gap: 24px;
  margin: 16px 0;
  font-size: 14px;
  color: #6B7280;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.meta-label {
  font-weight: 600;
  color: #374151;
}

/* Links Section */
.detail-links {
  background: #FFFFFF;
  padding: 24px;
  border-radius: 12px;
  border: 1px solid #E5E7EB;
  margin-bottom: 24px;
}

.detail-links h3 {
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  margin: 0 0 16px 0;
}

.links-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.link-item:hover {
  background: #F9FAFB;
}

.link-item a {
  color: #3B82F6;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.link-item a:hover {
  text-decoration: underline;
}

/* Skills */
.detail-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.skill-tag {
  padding: 6px 12px;
  background: #F3F4F6;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: #374151;
  border: 1px solid #E5E7EB;
}

/* Signal Timeline */
.signal-timeline {
  padding: 24px;
  background: #FFFFFF;
  border-radius: 12px;
  border: 1px solid #E5E7EB;
  margin-bottom: 24px;
}

.signal-timeline h3 {
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  margin: 0 0 24px 0;
}

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #3B82F6, #E5E7EB);
}

.timeline-item {
  position: relative;
  padding-bottom: 20px;
  margin-bottom: 12px;
}

.timeline-item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -32px;
  top: 0;
  width: 12px;
  height: 12px;
  background: #3B82F6;
  border: 3px solid #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 0 0 1px #DBEAFE;
}

.timeline-date {
  font-size: 12px;
  font-weight: 600;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.timeline-event {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.timeline-text {
  font-size: 14px;
  color: #374151;
  line-height: 1.5;
}

.timeline-metric {
  font-weight: 600;
  color: #3B82F6;
}

/* Buttons */
.action-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: #3B82F6;
  color: #FFFFFF;
  box-shadow: 0 1px 3px 0 rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
  background: #1D4ED8;
  box-shadow: 0 4px 6px 0 rgba(59, 130, 246, 0.3);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: #F3F4F6;
  color: #1F2937;
  border: 1px solid #D1D5DB;
}

.btn-secondary:hover {
  background: #E5E7EB;
  border-color: #9CA3AF;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* States */
.loading-state,
.empty-state,
.error-state {
  text-align: center;
  padding: 60px 20px;
  color: #6B7280;
}

.loading-state p,
.empty-state p,
.error-state p {
  font-size: 16px;
  margin-bottom: 16px;
}

/* Score Badge Large (Detail Page) */
.score-badge-large {
  width: 120px;
  height: 120px;
  font-size: 48px;
  margin: 16px 0;
}

.score-badge-large .score-number {
  font-size: 48px;
}

.score-badge-large .score-label {
  font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
  .founder-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
  }

  .dashboard-container {
    padding: 32px 20px;
  }
}

@media (max-width: 768px) {
  .detail-hero {
    grid-template-columns: 100px 1fr;
    gap: 20px;
    padding: 24px;
  }

  .detail-avatar {
    width: 100px;
    height: 100px;
    font-size: 32px;
  }

  .detail-info h1 {
    font-size: 24px;
  }
}

@media (max-width: 640px) {
  .founder-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .dashboard-container {
    padding: 20px 16px;
  }

  .header-top {
    flex-direction: column;
  }

  .header-meta {
    text-align: left;
  }

  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .filter-group {
    width: 100%;
  }

  .filter-select {
    width: 100%;
  }

  .detail-hero {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
  }

  .detail-page {
    padding: 20px 16px;
  }
}