:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent: #0ea5e9;
  --accent-dark: #0284c7;
  --accent-teal: #14b8a6;
  --accent-green: #22c55e;
  --accent-yellow: #eab308;
  --accent-orange: #f97316;
  --accent-red: #ef4444;
  --border: #334155;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  padding-top: 64px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 2rem;
}

.navbar .brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  margin-right: 3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar .brand svg { width: 24px; height: 24px; }

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: transform 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Main container */
.container { max-width: 1280px; margin: 0 auto; padding: 2rem; }

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

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -5px rgba(14, 165, 233, 0.15);
}

/* Grid layouts */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(500px, 1fr)); gap: 1.5rem; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-critical { background: rgba(239,68,68,0.15); color: var(--accent-red); }
.badge-high { background: rgba(249,115,22,0.15); color: var(--accent-orange); }
.badge-medium { background: rgba(234,179,8,0.15); color: var(--accent-yellow); }
.badge-low { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.badge-info { background: rgba(14,165,233,0.15); color: var(--accent); }
.badge-safe { background: rgba(34,197,94,0.15); color: var(--accent-green); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }

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

.btn-danger { background: var(--accent-red); color: #fff; }
.btn-danger:hover { opacity: 0.9; }

.btn-success { background: #22c55e; color: #fff; }
.btn-success:hover { background: #16a34a; }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; }

/* Form elements */
input, textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: border-color 0.2s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

label { display: block; margin-bottom: 0.5rem; font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); }
.form-group { margin-bottom: 1rem; }

/* Roster calendar */
.roster-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.roster-table th {
  background: var(--bg-secondary);
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.roster-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.roster-table tr:last-child td { border-bottom: none; }
.roster-table tr:hover td { background: var(--bg-hover); }

.shift-cell {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #fff;
  cursor: pointer;
  display: inline-block;
}

/* Email analysis results */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.score-meter {
  width: 100%;
  height: 8px;
  background: var(--bg-primary);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
}

.score-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.score-low { background: var(--accent-green); }
.score-medium { background: var(--accent-yellow); }
.score-high { background: var(--accent-orange); }
.score-critical { background: var(--accent-red); }
.score-safe { background: var(--accent-green); }

/* Findings */
.finding {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.finding-phishing { background: rgba(239,68,68,0.1); border-left: 3px solid var(--accent-red); }
.finding-url { background: rgba(249,115,22,0.1); border-left: 3px solid var(--accent-orange); }
.finding-sender { background: rgba(234,179,8,0.1); border-left: 3px solid var(--accent-yellow); }
.finding-spoof { background: rgba(239,68,68,0.15); border-left: 3px solid var(--accent-red); }

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeInUp 0.4s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0s; }
.animate-in:nth-child(2) { animation-delay: 0.1s; }
.animate-in:nth-child(3) { animation-delay: 0.2s; }
.animate-in:nth-child(4) { animation-delay: 0.3s; }
.animate-in:nth-child(5) { animation-delay: 0.4s; }

/* Sandbox */
.sandbox-area {
  min-height: 200px;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  resize: vertical;
}

/* Calendar styles */
.calendar-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.calendar-nav h2 {
  font-size: 1.25rem;
  font-weight: 600;
  min-width: 200px;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.calendar-header {
  background: var(--bg-secondary);
  padding: 0.75rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.calendar-day {
  background: var(--bg-card);
  min-height: 100px;
  padding: 0.5rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

.calendar-day:hover { background: var(--bg-hover); }
.calendar-day.other-month { opacity: 0.4; }
.calendar-day.today { border: 1px solid var(--accent); }

.calendar-day .day-number {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.calendar-day .day-shift {
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  margin-bottom: 0.15rem;
  color: #fff;
  cursor: grab;
}

/* Hamburger toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1100;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Responsive utility classes */
.mobile-full { width: 100% !important; }
.mobile-stack { display: block !important; }
.mobile-hide { display: none !important; }

/* Responsive overrides for inline grid styles */
@media (max-width: 768px) {
  .roster-layout,
  .isolation-layout {
    grid-template-columns: 1fr !important;
  }

  [style*="grid-template-columns:1fr 320px"],
  [style*="grid-template-columns: 1fr 320px"] {
    grid-template-columns: 1fr !important;
  }
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  [style*="grid-template-columns:1fr 1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  [style*="display:flex"][style*="gap:1rem"][style*="align-items:end"] {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .generate-form {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .generate-form .form-group {
    min-width: 100% !important;
    flex: none !important;
  }
  .generate-form .btn {
    width: 100%;
    justify-content: center;
  }

  [style*="display:flex"][style*="justify-content:space-between"] {
    flex-direction: column !important;
    align-items: stretch !important;
  }
}

/* Table scroll wrapper */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Responsive */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
  .grid-2 { grid-template-columns: 1fr; }
}

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

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 999;
    gap: 0.25rem;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    border-radius: 8px;
  }

  .navbar { padding: 0 1rem; height: 56px; }
  body { padding-top: 56px; }
  .navbar .brand { margin-right: auto; font-size: 1rem; }
  .navbar .brand svg { width: 20px; height: 20px; }
  .container { padding: 1rem; }

  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }

  .page-header h1 { font-size: 1.35rem; }
  .page-header p { font-size: 0.85rem; }

  .card { padding: 1rem; }

  /* Modal mobile */
  .modal { width: 95%; padding: 1.25rem; border-radius: 12px; max-height: 85vh; }
  .modal h3 { font-size: 1.1rem; margin-bottom: 1rem; }

  /* Toast mobile */
  .toast { right: 1rem; left: 1rem; top: 68px; font-size: 0.85rem; }

  /* Calendar mobile */
  .calendar-grid { grid-template-columns: repeat(7, 1fr); }
  .calendar-day { min-height: 50px; padding: 0.25rem; }
  .calendar-day .day-number { font-size: 0.7rem; }
  .calendar-day .day-shift { font-size: 0.6rem; padding: 0.1rem 0.25rem; }
  .calendar-nav { flex-wrap: wrap; justify-content: center; }
  .calendar-nav h2 { min-width: auto; font-size: 1.1rem; }

  /* Roster table mobile */
  .roster-table { font-size: 0.8rem; }
  .roster-table th, .roster-table td { padding: 0.5rem; }

  /* Form mobile */
  .form-group { margin-bottom: 0.75rem; }

  /* Result card mobile */
  .result-card { padding: 1rem; }
  .result-card > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  /* Finding mobile */
  .finding { padding: 0.5rem 0.75rem; font-size: 0.8rem; }

  /* Source tabs mobile */
  .source-tabs { gap: 0.25rem; }
  .source-tab { padding: 0.3rem 0.75rem; font-size: 0.75rem; }

  /* Tabs mobile */
  .tabs { width: 100%; overflow-x: auto; }
  .tab-btn { padding: 0.4rem 1rem; font-size: 0.8rem; white-space: nowrap; }

  /* Footer mobile */
  footer { padding: 1rem !important; font-size: 0.78rem !important; }

  /* Score result grid mobile */
  .score-detail-grid { grid-template-columns: 1fr !important; }

  /* Badge mobile */
  .badge { font-size: 0.65rem; padding: 0.2rem 0.5rem; }

  /* Button mobile */
  .btn { padding: 0.5rem 1rem; font-size: 0.8rem; }
  .btn-sm { padding: 0.3rem 0.6rem; font-size: 0.75rem; }

  /* Management panels mobile */
  .collapsible-header h3 { font-size: 0.9rem; }

  /* URL bar mobile */
  .url-bar { flex-direction: column; }
  .url-bar input { width: 100%; }
  .url-bar .btn { width: 100%; justify-content: center; }

  /* Sandbox mobile */
  .sandbox-area { min-height: 150px; font-size: 0.8rem; }
}

@media (max-width: 480px) {
  .navbar .brand span { display: none; }
  .page-header h1 { font-size: 1.15rem; }
  .modal { width: 98%; padding: 1rem; }
  .calendar-day { min-height: 40px; padding: 0.15rem; }
  .calendar-header { padding: 0.4rem 0.2rem; font-size: 0.65rem; }
  .calendar-day .day-number { font-size: 0.65rem; }
  .calendar-day .day-shift { font-size: 0.55rem; padding: 0.05rem 0.2rem; }
}

/* Drag and drop */
.dragging { opacity: 0.5; }
.drag-over { border: 2px dashed var(--accent) !important; }

/* Toast notifications */
.toast {
  position: fixed;
  top: 80px;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  color: #fff;
  font-weight: 500;
  z-index: 2000;
  animation: slideInRight 0.3s ease forwards;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.toast-success { background: #22c55e; }
.toast-error { background: #ef4444; }
.toast-info { background: #0ea5e9; }

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

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1500;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  max-width: 800px;
  width: 92%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-card);
}

.modal::-webkit-scrollbar {
  width: 8px;
}

.modal::-webkit-scrollbar-track {
  background: var(--bg-card);
  border-radius: 4px;
}

.modal::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

.modal::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dark);
}

.modal h3 { margin-bottom: 1.5rem; font-size: 1.25rem; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.empty-state h3 { margin-bottom: 0.5rem; color: var(--text-primary); }

/* Severity indicator dot */
.severity-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.dot-critical { background: #ef4444; }
.dot-high { background: #f97316; }
.dot-medium { background: #eab308; }
.dot-low { background: #22c55e; }
.dot-info { background: #0ea5e9; }

/* Advisory cards extra */
.advisory-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 1rem;
  flex-wrap: wrap;
}

.advisory-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.advisory-summary {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Source filter tabs */
.source-tabs {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.source-tab {
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all 0.2s ease;
}

.source-tab:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

.source-tab.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

/* Auto-refresh indicator */
.refresh-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.refresh-indicator .spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Tab system for roster */
.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  background: var(--bg-secondary);
  padding: 0.25rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  width: fit-content;
}

.tab-btn {
  padding: 0.5rem 1.25rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { background: var(--accent); color: #fff; }

/* CSV link */
.csv-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.csv-link:hover {
  background: rgba(14, 165, 233, 0.1);
}