/* ============================================================
   FRAUDALERT SYSTEM — DESIGN SYSTEM STYLESHEET
   Domain: fraud.scholarea.com
   Typography: Syne (Headings), Inter (Body), JetBrains Mono (Code)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Syne:wght@600;700;800&display=swap');

:root {
  --navy-primary: #0B1E3D;
  --navy-mid:     #112847;
  --navy-light:   #1B3A6B;
  --navy-glow:    #2A5299;

  --red-danger:   #E63946;
  --red-soft:     #FDE8EA;
  --gold-warning: #F4A614;
  --gold-soft:    #FEF3C7;
  --green-success:#10B981;
  --green-soft:   #D1FAE5;
  --blue-info:    #3B82F6;
  --blue-soft:    #DBEAFE;
  --purple-crit:  #7C3AED;
  --purple-soft:  #EDE9FE;

  --bg-page:      #EEF2F9;
  --bg-card:      #FFFFFF;
  --border-color: #DDE3EF;
  --text-main:    #0B1E3D;
  --text-muted:   #64748B;
  --text-light:   #94A3B8;

  --sidebar-w:    256px;
  --topbar-h:     64px;
  --radius-sm:    7px;
  --radius-md:    12px;
  --radius-lg:    18px;

  --shadow-subtle:0 1px 3px rgba(11, 30, 61, 0.06), 0 1px 2px rgba(11, 30, 61, 0.04);
  --shadow-card:  0 4px 16px -2px rgba(11, 30, 61, 0.07);
  --shadow-lg:    0 12px 30px -4px rgba(11, 30, 61, 0.12);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: 'Syne', sans-serif;
  color: var(--text-main);
  font-weight: 700;
  letter-spacing: -0.015em;
}

code, pre, .font-mono, .mono-ref {
  font-family: 'JetBrains Mono', monospace;
}

a {
  color: var(--navy-light);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--navy-glow);
}

/* App Shell Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  background-color: var(--navy-primary);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-header {
  height: var(--topbar-h);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-badge {
  background: linear-gradient(135deg, var(--red-danger), #B91C1C);
  color: white;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  padding: 5px 9px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  letter-spacing: 0.5px;
}

.brand-title {
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.5px;
}
.brand-sub {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 18px 12px;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.45);
  padding: 12px 12px 6px 12px;
  font-weight: 600;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 3px;
  transition: all 0.15s ease;
}
.nav-item:hover {
  background-color: var(--navy-mid);
  color: #FFFFFF;
}
.nav-item.active {
  background-color: var(--navy-glow);
  color: #FFFFFF;
  font-weight: 600;
}
.nav-item svg {
  width: 18px;
  height: 18px;
  opacity: 0.85;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(0, 0, 0, 0.15);
}

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--topbar-h);
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.content-wrapper {
  padding: 26px 28px;
  flex: 1;
}

/* Cards & Containers */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-subtle);
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy-primary);
}

/* KPI Summary Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.kpi-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  align-items: center;
  gap: 16px;
}

.kpi-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-val {
  font-family: 'Syne', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--navy-primary);
  line-height: 1.2;
}

.kpi-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
}
.btn-primary {
  background-color: var(--navy-primary);
  color: #FFFFFF;
}
.btn-primary:hover {
  background-color: var(--navy-light);
  color: #FFFFFF;
}
.btn-danger {
  background-color: var(--red-danger);
  color: #FFFFFF;
}
.btn-danger:hover {
  background-color: #CC2B37;
  color: #FFFFFF;
}
.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--navy-primary);
}
.btn-outline:hover {
  background-color: #F1F5F9;
}
.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: #FFFFFF;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.data-table th {
  background-color: #F8FAFC;
  color: var(--navy-primary);
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid #F1F5F9;
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: #F8FAFD;
}

/* Severity & Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
  white-space: nowrap;
}

.badge-critical {
  background: var(--purple-soft);
  color: var(--purple-crit);
  border: 1px solid #DDD6FE;
}
.badge-high {
  background: var(--red-soft);
  color: var(--red-danger);
  border: 1px solid #FECDD3;
}
.badge-medium {
  background: var(--gold-soft);
  color: #B45309;
  border: 1px solid #FDE68A;
}
.badge-low {
  background: var(--green-soft);
  color: #047857;
  border: 1px solid #A7F3D0;
}

.badge-open {
  background: #FEE2E2;
  color: #B91C1C;
}
.badge-under_review {
  background: var(--gold-soft);
  color: #B45309;
}
.badge-resolved {
  background: var(--green-soft);
  color: #047857;
}
.badge-escalated {
  background: var(--purple-soft);
  color: var(--purple-crit);
}
.badge-false_positive {
  background: #F1F5F9;
  color: var(--text-muted);
}

/* Form Styles */
.form-group {
  margin-bottom: 18px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-primary);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--navy-primary);
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--navy-glow);
  box-shadow: 0 0 0 3px rgba(42, 82, 153, 0.15);
}

/* Live Risk Meter Bar */
.risk-meter-container {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 18px;
}
.risk-meter-track {
  height: 10px;
  background-color: #E2E8F0;
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
  margin: 10px 0;
}
.risk-meter-fill {
  height: 100%;
  width: 0%;
  transition: width 0.3s ease, background-color 0.3s ease;
}

/* Toast Notifications Container */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  min-width: 300px;
  max-width: 420px;
  padding: 14px 18px;
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border-left: 5px solid var(--navy-primary);
  font-size: 14px;
  animation: slideInRight 0.25s ease-out;
}
.toast-success { border-left-color: var(--green-success); }
.toast-danger  { border-left-color: var(--red-danger); }
.toast-warning { border-left-color: var(--gold-warning); }
.toast-info    { border-left-color: var(--blue-info); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 30, 61, 0.6);
  backdrop-filter: blur(2px);
  z-index: 900;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-backdrop.active {
  display: flex;
}
.modal-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  max-width: 580px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalScaleUp 0.2s ease-out;
}
@keyframes modalScaleUp {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-body {
  padding: 24px;
  max-height: 75vh;
  overflow-y: auto;
}
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}