/* Defense Capital Dashboard - Main Stylesheet */
/* Navy & green theme aligned with company branding */

:root {
  /* Color palette */
  --primary-blue: #1e456e;
  --primary-blue-dark: #162f4d;
  --primary-blue-light: #5d7890;
  --accent-green: #88c540;
  --bg-light: #f5f5f5;
  --bg-white: #ffffff;
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-light: #999999;
  --border-color: #dddddd;
  --shadow: rgba(0, 0, 0, 0.1);
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;

  /* Layout */
  --nav-height: 60px;
  --max-width: 1400px;
  --border-radius: 8px;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  color: var(--primary-blue-dark);
}

h1 { font-size: var(--font-size-xxl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-green);
  text-decoration: underline;
}

/* Navigation */
nav {
  background-color: var(--primary-blue);
  color: white;
  height: var(--nav-height);
  box-shadow: none;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav .logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: white;
  text-decoration: none;
}

nav .logo:hover {
  color: var(--accent-green);
  text-decoration: none;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
}

nav ul li a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: color 0.2s ease;
}

nav ul li a:hover {
  color: var(--accent-green);
  text-decoration: none;
}

nav ul li a.active {
  color: white;
  border-bottom: 2px solid var(--accent-green);
  border-radius: 0;
  padding-bottom: calc(var(--spacing-xs) - 2px);
}

/* Mobile navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  nav ul {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--primary-blue);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    box-shadow: 0 4px 6px var(--shadow);
  }

  nav ul.active {
    display: flex;
  }
}

/* Main container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Page header */
.page-header {
  position: relative;
  background: linear-gradient(180deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  padding: var(--spacing-lg) var(--spacing-md);
  margin: 0 calc(-1 * var(--spacing-md)) var(--spacing-lg);
  margin-top: calc(-1 * var(--spacing-md));
  border-radius: 0;
  box-shadow: none;
  border-top: none;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background-image: radial-gradient(circle, #88c540 1.3px, transparent 1.3px);
  background-size: 20px 20px;
  opacity: 0.4;
  -webkit-mask-image: linear-gradient(315deg, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
  mask-image: linear-gradient(315deg, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.page-header h1 {
  position: relative;
  color: white;
  margin-bottom: var(--spacing-xs);
}

.page-header p {
  position: relative;
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-lg);
}

/* Cards */
.card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 4px var(--shadow);
  transition: box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 8px var(--shadow);
}

.card h2 {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--accent-green);
}

/* Grid layouts */
.grid {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

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

.stat-card {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px var(--shadow);
  text-align: center;
}

.stat-card .stat-value {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--primary-blue-light);
  margin-bottom: var(--spacing-xs);
}

.stat-card .stat-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 2px 4px var(--shadow);
}

thead {
  background-color: var(--primary-blue);
  color: white;
}

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

th:hover {
  background-color: var(--primary-blue-dark);
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

tr:hover {
  background-color: var(--bg-light);
}

tr:last-child td {
  border-bottom: none;
}

/* Search and filter */
.search-filter-bar {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 250px;
}

.search-box input {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
}

.search-box input:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(136, 197, 64, 0.15);
}

.filter-group {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.filter-group select {
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  background-color: white;
  cursor: pointer;
}

/* Buttons */
.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: white;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: var(--primary-blue-light);
  text-decoration: none;
}

.btn-secondary {
  background-color: white;
  color: var(--primary-blue);
  border: 1.5px solid var(--primary-blue);
  font-weight: 600;
}

.btn-secondary:hover {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
}

/* Charts */
.chart-container {
  position: relative;
  height: 400px;
  margin-bottom: var(--spacing-lg);
}

.chart-card {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px var(--shadow);
  margin-bottom: var(--spacing-lg);
}

.chart-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--primary-blue-dark);
}

.chart-card .chart-description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

/* Loading states */
.loading {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
}

.loading::after {
  content: '...';
  animation: dots 1.5s steps(4, end) infinite;
}

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

/* Error states */
.error {
  background-color: #ffebee;
  color: var(--error);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--error);
  margin-bottom: var(--spacing-lg);
}

.success {
  background-color: #e8f5e9;
  color: var(--success);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--success);
  margin-bottom: var(--spacing-lg);
}

/* Footer */
footer {
  background-color: var(--primary-blue-dark);
  color: white;
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  text-align: center;
}

footer p {
  margin-bottom: var(--spacing-xs);
}

footer a {
  color: var(--accent-green);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.badge-primary { background-color: var(--primary-blue); color: white; }
.badge-success { background-color: var(--success); color: white; }
.badge-warning { background-color: var(--warning); color: white; }

/* Data Summary Stats */
.data-summary {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 4px 6px var(--shadow);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.summary-item {
  text-align: center;
  padding: var(--spacing-sm);
}

.summary-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.summary-change {
  font-size: var(--font-size-sm);
  opacity: 0.95;
}

.summary-change.positive { color: #90ee90; }
.summary-change.negative { color: #ffcccb; }
.summary-change.neutral { opacity: 0.7; }

.trend-indicator {
  font-size: 1.5rem;
  margin-left: 0.5rem;
}

/* Download button */
.btn-download {
  background-color: white;
  color: var(--primary-blue-light);
  border: 2px solid var(--primary-blue-light);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.btn-download:hover {
  background-color: var(--primary-blue-light);
  color: white;
  text-decoration: none;
}

.btn-download::before {
  content: '⬇';
  font-size: 1.2rem;
}

/* Key Insights */
.key-insights {
  background-color: #f4faf0;
  border-left: 4px solid var(--accent-green);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius);
}

.key-insights h3 {
  color: var(--primary-blue-dark);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.key-insights ul {
  list-style: none;
  padding-left: 0;
}

.key-insights li {
  padding: var(--spacing-xs) 0;
  padding-left: 1.5rem;
  position: relative;
}

.key-insights li::before {
  content: '▸';
  color: var(--accent-green);
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* Last updated timestamp */
.last-updated {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-style: italic;
  margin-top: var(--spacing-sm);
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }

/* Intelligence Briefing Styles */
.briefing-stats {
  display: flex;
  gap: var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 4px var(--shadow);
}

.stat-item {
  flex: 1;
  text-align: center;
  color: white;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.briefing-controls {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 250px;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  background-color: white;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(136, 197, 64, 0.15);
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  background-color: white;
  cursor: pointer;
  min-width: 180px;
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent-green);
}

.briefing-feed {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.deal-card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px var(--shadow);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.deal-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.deal-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.deal-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.deal-date {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.deal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--primary-blue-dark);
  margin: 0;
  line-height: 1.4;
}

.deal-body {
  padding: var(--spacing-lg);
  color: var(--text-primary);
}

.deal-company {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--bg-light);
}

.deal-details {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.deal-analysis {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: #f4faf0;
  border-left: 3px solid var(--accent-green);
  border-radius: 4px;
  line-height: 1.6;
}

.deal-analysis strong {
  color: var(--primary-blue-dark);
  display: block;
  margin-bottom: 0.25rem;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.deal-implications {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: #fff8f0;
  border-left: 3px solid var(--warning);
  border-radius: 4px;
  line-height: 1.6;
}

.deal-implications strong {
  color: #d97706;
  display: block;
  margin-bottom: 0.25rem;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.deal-summary {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: var(--font-size-base);
}

.deal-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
}

.source-link {
  color: var(--primary-blue);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s ease;
}

.source-link:hover {
  color: var(--accent-green);
  text-decoration: underline;
}

.badge-secondary {
  background-color: var(--text-light);
  color: white;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
}

.pagination button {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  background-color: white;
  color: var(--primary-blue);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.pagination button:hover:not(:disabled) {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
}

/* Redesigned Deal Cards with Strong Visual Hierarchy */
.deal-card-header {
  padding: 1rem 1.5rem;
  background-color: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.deal-header-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.deal-type-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #5a9a2a;
}

.deal-date {
  font-size: 0.85rem;
  font-weight: 500;
  color: #64748b;
}

.deal-card-body {
  padding: 1.5rem;
}

.deal-company-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 1.25rem 0;
  line-height: 1.3;
}

.deal-metadata {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid #f1f5f9;
}

.deal-meta-line {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.deal-meta-line:last-child {
  margin-bottom: 0;
}

.meta-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #94a3b8;
  display: block;
  margin-bottom: 0.25rem;
}

.deal-meta-line span:not(.meta-label) {
  font-size: 0.95rem;
  font-weight: 500;
  color: #1e293b;
  display: block;
}

.deal-insight {
  margin-bottom: 1rem;
}

.deal-insight h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary-blue-dark);
  margin: 0 0 0.5rem 0;
}

.deal-insight p {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.7;
  margin: 0;
  font-weight: 400;
}

.deal-card-footer {
  padding: 1rem 1.5rem;
  background-color: #f8fafc;
  border-top: 1px solid #e2e8f0;
}

.deal-source-link {
  color: var(--primary-blue);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s ease;
}

.deal-source-link:hover {
  color: var(--accent-green);
  text-decoration: underline;
}

/* Pagination Controls */
.pagination-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin: 2rem 0;
}

.page-btn {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border-color);
  background-color: white;
  color: var(--primary-blue);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.page-btn:hover {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(30, 69, 110, 0.2);
}

.page-info {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

.pagination button.active {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px var(--shadow);
}

.empty-state p {
  font-size: var(--font-size-lg);
  margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md);
  }

  .page-header {
    padding: var(--spacing-md);
  }

  .chart-container {
    height: 300px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  table {
    font-size: var(--font-size-sm);
  }

  th, td {
    padding: var(--spacing-sm);
  }

  .briefing-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .stat-number {
    font-size: 2rem;
  }

  .briefing-controls {
    flex-direction: column;
  }

  .search-input,
  .filter-select {
    min-width: 100%;
  }

  .deal-header,
  .deal-body,
  .deal-footer {
    padding: var(--spacing-md);
  }

  .deal-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
}