:root {
  --bg-main: #0d1117;
  --bg-card: #161b22;
  --bg-subtle: #21262d;
  --border-color: #30363d;
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --primary: #2f81f7;
  --primary-hover: #388bfd;
  --primary-light: rgba(47, 129, 247, 0.15);
  --success: #238636;
  --success-light: rgba(35, 134, 54, 0.15);
  --warning: #d29922;
  --warning-light: rgba(210, 153, 34, 0.15);
  --purple: #a371f7;
  --purple-light: rgba(163, 113, 247, 0.15);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --radius: 8px;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 20px 28px;
  gap: 20px;
}

/* Header */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  padding: 16px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

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

.logo-icon {
  font-size: 28px;
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-main);
}

.subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn-primary {
  background-color: #1f6feb;
  color: #fff;
  border-color: rgba(240, 246, 252, 0.1);
}

.btn-primary:hover {
  background-color: #388bfd;
}

.btn-secondary {
  background-color: var(--bg-subtle);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: #30363d;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-card.primary {
  border-color: rgba(47, 129, 247, 0.4);
  background: linear-gradient(180deg, #161b22 0%, rgba(47, 129, 247, 0.08) 100%);
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
}

.stat-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-meta.highlight {
  color: #58a6ff;
}

/* Main Layout */
.main-content {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  flex: 1;
}

/* Cohort Sidebar */
.cohorts-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: calc(100vh - 240px);
}

.sidebar-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-header h3 {
  font-size: 14px;
  font-weight: 600;
}

.cohorts-list {
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.cohort-item {
  padding: 10px 12px;
  border-radius: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background: transparent;
  color: var(--text-main);
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.cohort-item:hover {
  background: var(--bg-subtle);
}

.cohort-item.active {
  background: var(--primary-light);
  border-color: rgba(47, 129, 247, 0.4);
  color: #58a6ff;
}

.cohort-item-title {
  font-weight: 600;
  font-size: 13px;
}

.cohort-item-badges {
  display: flex;
  gap: 6px;
}

.cohort-score-badge {
  font-size: 11px;
  background: var(--bg-subtle);
  padding: 2px 6px;
  border-radius: 10px;
  color: var(--text-muted);
}

.cohort-item.active .cohort-score-badge {
  background: rgba(47, 129, 247, 0.25);
  color: #58a6ff;
}

/* Candidate Panel */
.candidate-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: calc(100vh - 240px);
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cohort-info {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.cohort-info h2 {
  font-size: 18px;
  font-weight: 600;
}

.cohort-stats-pill {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-subtle);
  padding: 3px 10px;
  border-radius: 12px;
}

.search-filter-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-box {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-box input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
}

.search-box input:focus {
  border-color: var(--primary);
}

.select-filter {
  padding: 8px 12px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* Table */
.table-container {
  flex: 1;
  overflow-y: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  position: sticky;
  top: 0;
  background: #161b22;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  z-index: 2;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

.badge-paid {
  background: var(--success-light);
  color: #3fb950;
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.badge-free {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.badge-intent-active {
  background: var(--primary-light);
  color: #58a6ff;
  border: 1px solid rgba(88, 166, 255, 0.3);
}

.badge-intent-casual {
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.score-high {
  background: rgba(46, 160, 67, 0.15);
  color: #3fb950;
}

.score-med {
  background: rgba(210, 153, 34, 0.15);
  color: #d29922;
}

.score-low {
  background: var(--bg-subtle);
  color: var(--text-muted);
}

.domain-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag-kb {
  background: var(--purple-light);
  color: #bc8cff;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.tag-work {
  background: rgba(56, 139, 253, 0.15);
  color: #58a6ff;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.tag-ai {
  background: rgba(247, 120, 186, 0.15);
  color: #f778ba;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.tag-integrations {
  background: rgba(219, 109, 40, 0.15);
  color: #f0883e;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.status-select {
  padding: 4px 8px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-main);
  font-size: 12px;
  cursor: pointer;
}

.status-select.pending { color: #d29922; }
.status-select.invited { color: #58a6ff; }
.status-select.onboarded { color: #3fb950; }

.btn-view {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
}

.btn-view:hover {
  background: var(--bg-subtle);
  color: var(--text-main);
}

.table-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-muted);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(2px);
}

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  width: 90%;
  max-width: 650px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-section h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.detail-quote {
  background: var(--bg-main);
  padding: 12px 14px;
  border-radius: 6px;
  border-left: 3px solid var(--primary);
  font-size: 13px;
  color: var(--text-main);
  white-space: pre-wrap;
}

.score-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.score-pill {
  background: var(--bg-main);
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.score-pill strong {
  color: #58a6ff;
}

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  font-size: 12px;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-card);
  display: flex;
  justify-content: flex-end;
}

.status-action-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Modal sizing & alerts */
.modal-lg {
  max-width: 820px;
}

.cohort-title-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cohort-inline-size {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-main);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.size-label {
  font-size: 12px;
  color: var(--text-muted);
}

.input-inline-size {
  width: 55px;
  padding: 3px 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 4px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
}

.btn-xs {
  padding: 3px 8px;
  font-size: 11px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
}

.info-alert {
  background: rgba(47, 129, 247, 0.1);
  border: 1px solid rgba(47, 129, 247, 0.3);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text-main);
}

.safety-banner {
  background: rgba(35, 134, 54, 0.1);
  border: 1px solid rgba(35, 134, 54, 0.3);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: #7ee787;
}

.safety-banner strong {
  color: #fff;
}

.modal-textarea {
  width: 100%;
  padding: 10px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-family: monospace;
  font-size: 13px;
  resize: vertical;
  margin-top: 6px;
  box-sizing: border-box;
}

.match-stats-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
  margin-bottom: 12px;
}

.match-stat-chip {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  border: 1px solid;
}

.match-success {
  background: rgba(35, 134, 54, 0.15);
  border-color: rgba(35, 134, 54, 0.3);
  color: #3fb950;
}

.match-warn {
  background: rgba(210, 153, 34, 0.15);
  border-color: rgba(210, 153, 34, 0.3);
  color: #d29922;
}

.match-info {
  background: rgba(56, 139, 253, 0.15);
  border-color: rgba(56, 139, 253, 0.3);
  color: #58a6ff;
}

.match-error {
  background: rgba(248, 81, 73, 0.15);
  border-color: rgba(248, 81, 73, 0.3);
  color: #f85149;
}

.small-table {
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.sizing-presets-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.preset-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
}

.preset-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.cohort-sizes-grid-wrapper {
  max-height: 340px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.input-cohort-target {
  width: 65px;
  padding: 4px 6px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 4px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
}