/* ==========================================================================
   iqAudi360 Premium Red & White Enterprise Design System
   Modern High-Contrast Security Operations Dashboard
   ========================================================================== */

:root {
  /* Surfaces & Backgrounds */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-hover: #fff1f2;
  --bg-glass: rgba(255, 255, 255, 0.92);
  --border-subtle: #e2e8f0;
  --border-focus: #dc2626;
  --border-glass: rgba(220, 38, 38, 0.15);

  /* Typography */
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --text-inverse: #ffffff;

  /* Primary Brand Accents (Crimson Red & Ruby) */
  --accent-primary: #dc2626;
  --accent-primary-hover: #b91c1c;
  --accent-primary-light: #fef2f2;
  --accent-primary-border: #fca5a5;
  --accent-primary-glow: rgba(220, 38, 38, 0.25);

  --accent-secondary: #991b1b;
  --accent-rose: #e11d48;

  /* Severities */
  --sev-critical: #dc2626;
  --sev-critical-bg: #fef2f2;
  --sev-critical-border: #fca5a5;

  --sev-high: #ea580c;
  --sev-high-bg: #fff7ed;
  --sev-high-border: #ffedd5;

  --sev-medium: #d97706;
  --sev-medium-bg: #fffbeb;
  --sev-medium-border: #fef3c7;

  --sev-low: #0d9488;
  --sev-low-bg: #f0fdf4;
  --sev-low-border: #bbf7d0;

  --sev-info: #475569;
  --sev-info-bg: #f1f5f9;
  --sev-info-border: #e2e8f0;

  /* Statuses */
  --status-running: #dc2626;
  --status-completed: #16a34a;
  --status-failed: #b91c1c;
  --status-interrupted: #d97706;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(220, 38, 38, 0.12), 0 4px 6px -4px rgba(0, 0, 0, 0.05);

  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
}

/* App Layout */
.app-container {
  display: flex;
  width: 100%;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Mobile Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 99;
  backdrop-filter: blur(2px);
}
.sidebar-overlay.active {
  display: block;
}

/* Sidebar Navigation */
.sidebar {
  width: 260px;
  background-color: #ffffff;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.brand {
  padding: 22px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #dc2626, #991b1b);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 14px var(--accent-primary-glow);
  flex-shrink: 0;
}

.brand-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #0f172a;
  display: flex;
  flex-direction: column;
}

.brand-subtitle {
  font-size: 11px;
  font-weight: 600;
  color: #dc2626;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-links {
  list-style: none;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}

.nav-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: #475569;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-item a:hover {
  background-color: #fef2f2;
  color: #dc2626;
}

.nav-item.active a {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--accent-primary-glow);
}

.nav-icon {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
  stroke: currentColor;
  fill: none;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-dim);
  background-color: #fafafa;
}

.system-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-weight: 600;
  color: #16a34a;
}

.status-dot-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #16a34a;
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.4);
  animation: pulse-green 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-green {
  0%   { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.4); }
  70%  { box-shadow: 0 0 0 8px rgba(22, 163, 74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

/* Main Content Layout */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.top-header {
  height: 68px;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-sm);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.menu-toggle-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.page-title {
  font-size: 18px;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.auth-notice-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: #fef2f2;
  color: #dc2626;
  border: 1px solid #fca5a5;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

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

/* Cards & Surfaces */
.card {
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 8px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #dc2626, #b91c1c);
}

.stat-value {
  font-size: 30px;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.2;
  margin-top: 6px;
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-sub {
  font-size: 12px;
  color: #94a3b8;
  margin-top: 4px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 14px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-primary {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #b91c1c, #991b1b);
  box-shadow: 0 6px 18px var(--accent-primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
}

.btn-secondary:hover {
  background-color: #e2e8f0;
  color: #0f172a;
}

.btn-danger {
  background-color: #fef2f2;
  color: #dc2626;
  border: 1px solid #fca5a5;
}

.btn-danger:hover {
  background-color: #dc2626;
  color: #ffffff;
}

/* Severity & Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.badge-critical { background-color: #dc2626; color: #ffffff; }
.badge-high     { background-color: #ea580c; color: #ffffff; }
.badge-medium   { background-color: #d97706; color: #ffffff; }
.badge-low      { background-color: #0d9488; color: #ffffff; }
.badge-info     { background-color: #64748b; color: #ffffff; }

/* Status badges (scan states) */
.badge-status {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: capitalize;
}
.badge-status.running      { background: #fef2f2; color: #dc2626; border: 1px solid #fca5a5; }
.badge-status.completed    { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.badge-status.failed       { background: #fff7ed; color: #ea580c; border: 1px solid #fed7aa; }
.badge-status.interrupted  { background: #fffbeb; color: #d97706; border: 1px solid #fde68a; }

/* Data Tables */
.table-container, .table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
}

table, .table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 480px;
}

th {
  background-color: #f8fafc;
  color: #475569;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: #334155;
  font-size: 13px;
}

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

tbody tr:hover { background-color: #fef2f2; }

/* Form Controls */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
}

.form-control,
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  background-color: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius-sm);
  color: #0f172a;
  font-size: 13px;
  font-family: inherit;
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-control:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.form-hint {
  font-size: 12px;
  color: #64748b;
  margin-top: 5px;
  line-height: 1.4;
}

/* ── New Scan Page Components ────────────────────────────── */

/* Mode Cards Grid */
.mode-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.mode-card {
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 16px;
  cursor: pointer;
  transition: var(--transition);
  display: block;
}

.mode-card input[type="radio"] { display: none; }

.mode-card:hover {
  border-color: #fca5a5;
  background: #fff8f8;
}

.mode-card.selected {
  border-color: #dc2626;
  background: #fef2f2;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.mode-title {
  font-weight: 800;
  font-size: 15px;
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.mode-desc {
  font-size: 12px;
  color: #64748b;
  line-height: 1.5;
}

/* Scope Mode 2-col grid */
.scope-mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Advanced Settings */
.advanced-settings {
  margin-bottom: 20px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}

.advanced-settings summary {
  cursor: pointer;
  font-weight: 700;
  color: #475569;
  font-size: 13px;
  user-select: none;
  list-style: none;
}

.advanced-settings summary::-webkit-details-marker { display: none; }

.advanced-settings summary::before {
  content: '▶  ';
  font-size: 10px;
  color: #dc2626;
}

.advanced-settings[open] summary::before { content: '▼  '; }

.advanced-settings-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* Authorization Notice */
.authorization-notice {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 24px;
}

/* Scan Action Buttons Row */
.scan-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

/* Dashboard grid */
.dashboard-main-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 30px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 56px 24px;
}

.empty-state-icon {
  font-size: 56px;
  margin-bottom: 18px;
  display: block;
}

.empty-state-title {
  font-size: 22px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 10px;
}

.empty-state-desc {
  font-size: 14px;
  color: #64748b;
  max-width: 460px;
  margin: 0 auto 24px;
  line-height: 1.6;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  padding: 16px;
}

.modal-overlay.active,
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}

/* Toast container */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 340px;
  width: calc(100vw - 48px);
}

.toast {
  background: #0f172a;
  color: #f8fafc;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  animation: slideInToast 0.3s ease;
}

.toast-success { border-left: 4px solid #16a34a; }
.toast-error   { border-left: 4px solid #dc2626; }
.toast-info    { border-left: 4px solid #3b82f6; }

@keyframes slideInToast {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Responsive / Mobile ─────────────────────────────────── */
@media (max-width: 900px) {
  .dashboard-main-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Sidebar: slide off-canvas on mobile */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    transform: translateX(-100%);
    z-index: 200;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 32px rgba(0,0,0,0.18);
  }

  /* Hamburger visible */
  .menu-toggle-btn {
    display: block;
  }

  /* Header */
  .top-header {
    padding: 0 16px;
    height: 60px;
  }

  .page-title {
    font-size: 15px;
  }

  /* Hide "Authorized Testing Only" text label on small screens, keep icon */
  .auth-notice-tag span { display: none; }
  .auth-notice-tag {
    padding: 5px 8px;
    gap: 0;
  }

  /* Content */
  .content-body {
    padding: 16px;
  }

  /* Stats grid: 2 columns on tablet */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-value { font-size: 24px; }

  /* Mode cards: stack to single column */
  .mode-cards-grid {
    grid-template-columns: 1fr;
  }

  /* Scope & advanced grids: single column */
  .scope-mode-grid,
  .advanced-settings-grid {
    grid-template-columns: 1fr;
  }

  /* Action buttons: full width on mobile */
  .scan-actions {
    flex-direction: column-reverse;
  }

  .scan-actions .btn {
    width: 100%;
    text-align: center;
  }

  /* Card padding */
  .card { padding: 16px; }

  /* Modal full-width on mobile */
  .modal-card {
    padding: 20px 16px;
    border-radius: var(--radius-md);
  }

  /* Table: ensure scrollable */
  .table-container,
  .table-responsive {
    overflow-x: auto;
  }

  /* Header actions: compact */
  .header-actions {
    gap: 6px;
  }
}

@media (max-width: 480px) {
  /* Stats grid: single column on very small screens */
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: 14px;
  }

  .brand-title {
    font-size: 15px;
  }
}