/* Professional Research Website - Generational Investing */

:root {
  --primary-teal: #006B7A;
  --teal-dark: #004F59;
  --teal-light: #008CA0;
  --gold: #D4A85A;
  --gold-light: #E8C78A;
  --gold-dark: #B8924A;
  --coral: #D97D5C;
  --gray-600: #6B7280;
  --gray-700: #374151;
  --gray-100: #F3F4F6;
  --gray-900: #111827;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--gray-100);
  color: var(--gray-900);
  line-height: 1.6;
}

.header {
  background: linear-gradient(135deg, var(--primary-teal) 0%, var(--teal-dark) 100%);
  color: white;
  padding: 2rem 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header p {
  font-size: 1rem;
  opacity: 0.9;
}

.main-content {
  padding: 2rem 0;
}

/* Company List Table */
.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  overflow: hidden;
}

.card-header {
  padding: 1.5rem;
  border-bottom: 2px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h2 {
  font-size: 1.5rem;
  color: var(--primary-teal);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn {
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary-teal);
  color: white;
}

.btn-primary:hover {
  background-color: var(--teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,107,122,0.2);
}

.btn-secondary {
  background-color: var(--gold);
  color: white;
}

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

.btn-small {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
}

.table-container {
  overflow-x: auto;
}

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

.data-table th {
  background-color: var(--gray-100);
  color: var(--gray-700);
  font-weight: 600;
  text-align: left;
  padding: 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.data-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

.data-table tbody tr {
  transition: background-color 0.15s;
}

.data-table tbody tr:hover {
  background-color: #f8fafb;
}

.company-symbol {
  font-weight: 700;
  color: var(--primary-teal);
  font-size: 1.05rem;
}

.company-name {
  color: var(--gray-900);
  font-weight: 500;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-exchange {
  background-color: var(--teal-light);
  color: white;
}

.badge-years {
  background-color: var(--gold-light);
  color: var(--gray-900);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 2rem;
  overflow-y: auto;
}

.modal {
  background: white;
  border-radius: 12px;
  max-width: 95vw;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 2px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-teal) 0%, var(--teal-dark) 100%);
  color: white;
  border-radius: 12px 12px 0 0;
}

.modal-header .btn {
  background-color: white;
  color: var(--primary-teal);
  border: 2px solid white;
}

.modal-header .btn:hover {
  background-color: var(--gold);
  color: white;
  border-color: var(--gold);
}

.modal-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-close {
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close:hover {
  background: rgba(255,255,255,0.3);
  transform: scale(1.1);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--gray-100);
  background-color: #fafafa;
  padding: 0 2rem;
}

.tab {
  padding: 1rem 1.5rem;
  border: none;
  background: none;
  color: var(--gray-600);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab:hover {
  color: var(--primary-teal);
  background-color: rgba(0,107,122,0.05);
}

.tab.active {
  color: var(--primary-teal);
  border-bottom-color: var(--primary-teal);
  background-color: white;
}

.tab-content {
  padding: 2rem;
  display: none;
}

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

/* Financial Tables */
.financial-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--gray-100);
  border-radius: 8px;
}

.financial-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.financial-table thead th {
  background-color: var(--primary-teal);
  color: white;
  padding: 0.75rem;
  font-weight: 600;
  text-align: right;
  position: sticky;
  top: 0;
  z-index: 10;
}

.financial-table thead th:first-child {
  text-align: left;
  position: sticky;
  left: 0;
  z-index: 11;
}

.financial-table tbody th {
  background-color: #f8fafb;
  padding: 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  position: sticky;
  left: 0;
  z-index: 5;
  border-right: 2px solid var(--gray-100);
}

.financial-table tbody td {
  padding: 0.75rem;
  text-align: right;
  border-bottom: 1px solid var(--gray-100);
  font-variant-numeric: tabular-nums;
}

.financial-table tbody tr:hover {
  background-color: rgba(0,107,122,0.03);
}

/* Loading & Status */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--gray-600);
}

.loading i {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--primary-teal);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--gray-600);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--gray-100);
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.text-muted {
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header h1 {
    font-size: 1.5rem;
  }
  
  .modal {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }
  
  .tabs {
    overflow-x: auto;
    padding: 0 1rem;
  }
  
  .tab {
    padding: 1rem;
    font-size: 0.9rem;
    white-space: nowrap;
  }
}