:root {
  --primary: #0d6efd;
  --primary-dark: #0a58ca;
  --success: #198754;
  --warning: #fd7e14;
  --danger: #dc3545;
  --critical: #7a0030;
  --bg: #f4f6f9;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

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

/* Navbar */
.navbar-brand {
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
}

.navbar-brand span {
  color: #6ea8fe;
}

/* Cards */
.card {
  border: none;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  font-weight: 600;
}

/* Auth forms */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo h1 {
  color: var(--primary);
  font-weight: 800;
  font-size: 2.5rem;
  margin: 0;
}

.auth-logo p {
  color: #6c757d;
  font-size: 0.875rem;
  margin-top: 4px;
}

/* OTP Input */
.otp-input {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 10px;
  padding: 1rem;
  border: 2px solid #dee2e6;
  border-radius: 10px;
  transition: border-color 0.2s;
}

.otp-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Status badges */
.badge-pending { background-color: #6c757d; }
.badge-under_review { background-color: #0d6efd; }
.badge-approved { background-color: #198754; }
.badge-rejected { background-color: #dc3545; }
.badge-changes_requested { background-color: #fd7e14; }

.badge-low { background-color: #198754; }
.badge-medium { background-color: #fd7e14; }
.badge-high { background-color: #dc3545; }
.badge-critical { background-color: #7a0030; }

/* Score bars */
.score-bar {
  height: 10px;
  border-radius: 5px;
  background: #e9ecef;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.8s ease;
}

/* Risk badge */
.risk-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
}

.risk-low { background: #d1e7dd; color: #0f5132; }
.risk-medium { background: #fff3cd; color: #664d03; }
.risk-high { background: #f8d7da; color: #842029; }
.risk-critical { background: #f5c2cb; color: #7a0030; }

/* Sidebar */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: #1a1a2e;
  color: white;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 1.3rem;
  font-weight: 800;
  color: white;
  text-decoration: none;
}

.sidebar-brand span { color: #6ea8fe; }

.sidebar-nav {
  padding: 1rem 0;
  flex: 1;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: all 0.2s;
  gap: 10px;
  font-size: 0.9rem;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
  color: white;
  background: rgba(255,255,255,0.1);
  border-left: 3px solid #6ea8fe;
}

.sidebar-nav a i {
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.main-content {
  margin-left: 240px;
  padding: 2rem;
  min-height: 100vh;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-weight: 700;
  color: #212529;
  margin: 0;
}

.page-header p {
  color: #6c757d;
  margin: 5px 0 0;
}

/* Question groups */
.question-group {
  border-left: 4px solid var(--primary);
  padding-left: 1rem;
  margin-bottom: 1.5rem;
}

.question-group h5 {
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 1rem;
}

.question-item {
  background: white;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.question-item .question-text {
  flex: 1;
  font-size: 0.9rem;
  color: #495057;
  padding-right: 1rem;
}

.question-toggle {
  display: flex;
  gap: 8px;
}

.btn-yes, .btn-no {
  padding: 4px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  border: 2px solid;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-yes { border-color: #198754; color: #198754; background: white; }
.btn-yes.active { background: #198754; color: white; }
.btn-no { border-color: #dc3545; color: #dc3545; background: white; }
.btn-no.active { background: #dc3545; color: white; }

/* Chart container */
.chart-container {
  position: relative;
  height: 300px;
  margin: 0 auto;
}

/* Stat cards */
.stat-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  text-align: center;
}

.stat-card .stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
}

.stat-card .stat-label {
  color: #6c757d;
  font-size: 0.85rem;
  margin-top: 4px;
}

/* Toast */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
}

/* Loading spinner overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  display: none;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    min-height: auto;
    position: relative;
  }
  .main-content {
    margin-left: 0;
    padding: 1rem;
  }
}

/* Tables */
.table th {
  background: #f8f9fa;
  font-weight: 600;
  font-size: 0.85rem;
  color: #495057;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Progress */
.progress-sm {
  height: 6px;
}

/* Modal */
.modal-header {
  background: var(--primary);
  color: white;
}

.modal-header .btn-close {
  filter: invert(1);
}

/* Alert */
.alert {
  border-radius: 10px;
  border: none;
}