/* Omni-Risk Command Center Theme */
:root {
  --navy: #1B2A4A;
  --navy-light: #2D4066;
  --navy-dark: #0F1B33;
  --crimson: #DC2626;
  --crimson-dark: #B91C1C;
  --gold: #D4A017;
  --gold-light: #F5C842;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-500: #6B7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --success: #22C55E;
  --warning: #F97316;
  --info: #3B82F6;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  min-height: 100vh;
}

/* Navigation */
.navbar {
  background: var(--navy);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.navbar-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gold);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--navy-dark);
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--gray-200);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  background: var(--navy-light);
  color: var(--white);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--gray-200);
  font-size: 0.875rem;
}

.nav-user .badge {
  background: var(--gold);
  color: var(--navy-dark);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
}

.nav-user .logout-btn {
  color: var(--gray-300);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--gray-500);
  border-radius: 4px;
  font-size: 0.8rem;
  transition: all 0.2s;
}

.nav-user .logout-btn:hover {
  background: var(--crimson);
  border-color: var(--crimson);
  color: var(--white);
}

/* Main Content */
.main-content {
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
}

.card-body {
  padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--white);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--gray-200);
  text-align: center;
}

.stat-card .stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-500);
  font-weight: 600;
}

.stat-critical .stat-value { color: var(--crimson); }
.stat-high .stat-value { color: var(--warning); }
.stat-medium .stat-value { color: var(--gold); }
.stat-low .stat-value { color: var(--success); }

/* Heatmap */
.heatmap-container {
  display: flex;
  justify-content: center;
  margin: 1rem 0;
}

.heatmap {
  border-collapse: collapse;
}

.heatmap td {
  width: 56px;
  height: 56px;
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
  border: 2px solid var(--white);
  border-radius: 4px;
  color: var(--white);
}

.heatmap .label-cell {
  background: transparent;
  color: var(--gray-700);
  font-size: 0.75rem;
  font-weight: 600;
  width: auto;
  padding: 0 0.5rem;
}

.heat-critical { background: var(--crimson); }
.heat-high { background: var(--warning); }
.heat-medium { background: var(--gold); color: var(--navy-dark) !important; }
.heat-low { background: var(--success); }

/* Tables */
.table-container {
  overflow-x: auto;
}

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

table.data-table th {
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

table.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.875rem;
}

table.data-table tr:hover {
  background: var(--gray-50);
}

/* Severity Badges */
.severity-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.severity-critical { background: #FEE2E2; color: var(--crimson); }
.severity-high { background: #FED7AA; color: #C2410C; }
.severity-medium { background: #FEF3C7; color: #A16207; }
.severity-low { background: #DCFCE7; color: #166534; }

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-draft { background: var(--gray-200); color: var(--gray-700); }
.status-pending { background: #DBEAFE; color: #1D4ED8; }
.status-approved { background: #DCFCE7; color: #166534; }
.status-mitigated { background: #E0E7FF; color: #4338CA; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(212, 160, 23, 0.3);
}

.btn-danger {
  background: var(--crimson);
  color: var(--white);
}

.btn-danger:hover {
  background: var(--crimson-dark);
}

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

.btn-secondary:hover {
  background: var(--navy-light);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27, 42, 74, 0.1);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* Grid Layout */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; }

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
}

.login-card {
  background: var(--white);
  border-radius: 16px;
  padding: 3rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-card h1 {
  text-align: center;
  color: var(--navy);
  margin-bottom: 0.5rem;
  font-size: 1.75rem;
}

.login-card .subtitle {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.login-card .btn-primary {
  width: 100%;
  justify-content: center;
  padding: 0.8rem;
  font-size: 1rem;
}

.login-error {
  background: #FEE2E2;
  color: var(--crimson);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  text-align: center;
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.5rem;
  color: var(--navy);
  font-weight: 700;
}

/* Comments */
.comment-list {
  list-style: none;
}

.comment-item {
  padding: 1rem;
  border-left: 3px solid var(--navy);
  margin-bottom: 0.75rem;
  background: var(--gray-50);
  border-radius: 0 8px 8px 0;
}

.comment-meta {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-bottom: 0.4rem;
}

.comment-content {
  font-size: 0.9rem;
}

/* Approval Queue */
.approval-card {
  border-left: 4px solid var(--gold);
  margin-bottom: 1rem;
  padding: 1.25rem;
  background: var(--white);
  border-radius: 0 8px 8px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* Report */
.report-section {
  margin-bottom: 2rem;
  page-break-inside: avoid;
}

/* Responsive */
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .navbar { padding: 0 1rem; }
  .main-content { padding: 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media print {
  .navbar, .btn, form { display: none; }
  .main-content { padding: 0; }
}