:root {
  --primary: #0E7C7B;
  --primary-dark: #095453;
  --primary-light: #E0F2F1;
  --accent-gold: #D4A843;
  --accent-gold-light: #FEF9E7;
  --bg-dark: #0B1320;
  --surface-dark: #131E31;
  --surface-card: #FFFFFF;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --radius: 8px;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #F8FAFC;
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Header / Navigation */
.top-nav {
  background-color: var(--surface-dark);
  color: #FFFFFF;
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--primary);
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-product {
  color: var(--accent-gold);
  font-weight: 600;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: #94A3B8;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.nav-indicators {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-gold {
  background-color: rgba(212, 168, 67, 0.15);
  color: #FBBF24;
  border: 1px solid rgba(212, 168, 67, 0.3);
}

.badge-teal {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary);
}

.badge-outline {
  border: 1px solid #475569;
  color: #CBD5E1;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}

/* Performance Strip */
.performance-strip {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  padding: 0.75rem 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.strip-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 140px;
}

.strip-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Space Mono', monospace;
}

.strip-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-align: center;
}

/* Workspace Container */
.workspace-container {
  max-width: 1300px;
  margin: 1.5rem auto;
  padding: 0 1rem;
}

/* Module Tabs */
.module-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border);
  overflow-x: auto;
  padding-bottom: 2px;
  margin-bottom: 1.5rem;
}

.tab-btn {
  background: none;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.65rem 1.15rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Content Sections */
.tab-content {
  display: none;
}

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

.section-intro {
  margin-bottom: 1.25rem;
}

.section-intro h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--surface-dark);
}

.section-intro p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Cards & Layouts */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .grid-2col, .grid-3col {
    grid-template-columns: 1fr;
  }
}

.card {
  background-color: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background-color: #FAFAFA;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3, .card-header h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--surface-dark);
}

.card-body {
  padding: 1.25rem;
}

/* Buttons */
.btn {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.15rem;
  border-radius: 6px;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-teal {
  background-color: #0E7C7B;
  color: #FFFFFF;
}

.btn-teal:hover {
  background-color: #095453;
}

.btn-danger {
  background-color: var(--danger);
  color: #FFFFFF;
}

.btn-danger:hover {
  background-color: #DC2626;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.btn-sm {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
}

.btn-block {
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text-main);
  background-color: #FFFFFF;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 124, 123, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.checkbox-group {
  display: flex;
  align-items: center;
  margin-top: 1.5rem;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

/* Network Grid */
.network-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .network-grid {
    grid-template-columns: 1fr;
  }
}

.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.chip {
  background-color: #E2E8F0;
  border: none;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  cursor: pointer;
}

.chip.active {
  background-color: var(--primary);
  color: #FFFFFF;
}

.site-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 550px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.site-item {
  background-color: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.site-item:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.site-item.selected {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

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

.site-item-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--surface-dark);
}

.site-item-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Detail Card */
.detail-card {
  position: sticky;
  top: 1rem;
}

.pill {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.pill-teal {
  background-color: var(--primary-light);
  color: var(--primary);
}

.pill-gold {
  background-color: var(--accent-gold-light);
  color: #B45309;
}

.detail-metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1rem 0;
}

.detail-metric {
  background-color: #F8FAFC;
  padding: 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.detail-metric-val {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
}

.detail-metric-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Encounter & Feasibility Feeds */
.encounter-feed {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 480px;
  overflow-y: auto;
}

.encounter-item {
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 4px;
  padding: 0.75rem;
  background-color: #FFFFFF;
}

.encounter-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.encounter-hash {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: #64748B;
  background-color: #F1F5F9;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  word-break: break-all;
  margin-top: 0.35rem;
}

/* Surge Card */
.surge-control-card {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: #FFFFFF;
  padding: 1.5rem;
  border-radius: var(--radius);
}

.surge-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.surge-header h3 {
  color: #F8FAFC;
  font-size: 1.25rem;
  margin-top: 0.25rem;
}

.surge-desc {
  color: #94A3B8;
  font-size: 0.9rem;
}

/* Data Table */
.surveillance-table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th, .data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background-color: #F8FAFC;
  font-weight: 700;
  color: var(--surface-dark);
}

/* Timeline & Checklist */
.timeline, .checklist {
  list-style: none;
}

.timeline li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.timeline li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #CBD5E1;
}

.timeline li.timeline-done::before {
  background-color: var(--success);
}

.timeline li.timeline-active::before {
  background-color: var(--warning);
  box-shadow: 0 0 6px var(--warning);
}

.timeline li span {
  display: block;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.checklist li {
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.advantage-metric {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.adv-num {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Space Mono', monospace;
}

.adv-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Message & Stipend Boxes */
.message-preview-box {
  background-color: #F8FAFC;
  border: 1px solid var(--border);
  padding: 0.85rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-style: italic;
  min-height: 70px;
}

.stipend-summary {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.stipend-stat {
  display: flex;
  flex-direction: column;
}

.stipend-number {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Space Mono', monospace;
}

.stipend-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.disbursal-log {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.log-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background-color: #F8FAFC;
  border-radius: 4px;
  font-size: 0.8rem;
}

.log-amt {
  font-weight: 700;
  color: var(--success);
}

/* Footer */
.bottom-footer {
  background-color: var(--surface-dark);
  color: #94A3B8;
  padding: 1.5rem 1rem;
  margin-top: 3rem;
  border-top: 1px solid #1E293B;
  font-size: 0.8rem;
}

.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}

.footer-inner a {
  color: var(--accent-gold);
  text-decoration: none;
}