/**
 * AI Security Platform - Shared Styles
 *
 * Common styles for all AI platform pages.
 * Maintains consistency with the main Lens platform design.
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
  /* Brand Colors */
  --gold: #C9A962;
  --gold-light: #D4B978;
  --gold-dark: #B8984F;

  /* Background Colors */
  --bg-primary: #1A2B38;
  --bg-secondary: #223444;
  --bg-tertiary: #2A3E4E;
  --bg-hover: #2E4A5E;

  /* Text Colors */
  --text-primary: #FFFFFF;
  --text-secondary: #8A9BAA;
  --text-muted: #5A6B7A;

  /* Status Colors */
  --success: #4CAF50;
  --warning: #FF9800;
  --danger: #F44336;
  --info: #2196F3;

  /* Lens Question Colors */
  --q1-color: #C9A962;
  --q2-color: #6BA3BE;
  --q3-color: #BE6B8A;
  --q4-color: #8A6BBE;
  --q5-color: #6BBE8A;

  /* AI Framework Colors */
  --owasp-color: #E91E63;
  --atlas-color: #673AB7;
  --gartner-color: #009688;
  --eu-ai-color: #3F51B5;
  --nist-color: #FF5722;
  --iso-color: #795548;

  /* Signal Type Colors */
  --governance-color: #C9A962;
  --compliance-color: #3F51B5;
  --technical-color: #E91E63;
  --operational-color: #009688;
  --inventory-color: #673AB7;
  --supply-chain-color: #FF5722;

  /* Severity / CVSS Colors */
  --critical: #E53935;
  --high: #FB8C00;
  --medium: #FDD835;
  --low: #43A047;

  /* Recommendation Dimension Colors */
  --dim-technical: #3498db;
  --dim-organizational: #9b59b6;
  --dim-operational: #e67e22;
  --dim-strategic: #27ae60;
}

/* ============================================
   Base Reset
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

/* ============================================
   App Layout (Sidebar + Main)
   ============================================ */
.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

@media (max-width: 1024px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .sidebar.mobile-open {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    z-index: 1000;
  }
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--bg-tertiary);
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--bg-tertiary);
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gold);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 18px;
  height: 18px;
  color: var(--bg-primary);
}

.logo h1 {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-subtitle {
  font-size: 0.625rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Navigation Sections */
.nav-section {
  margin-bottom: 1.5rem;
}

.nav-section-title {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  padding: 0 0.75rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  margin-bottom: 0.25rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.8125rem;
  text-decoration: none;
  color: var(--text-secondary);
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(201, 169, 98, 0.1);
  color: var(--gold);
}

.nav-item i {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-item .badge {
  margin-left: auto;
  font-size: 0.625rem;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

.nav-item .badge.free {
  background: rgba(76, 175, 80, 0.2);
  color: var(--success);
}

.nav-item .badge.premium {
  background: rgba(201, 169, 98, 0.2);
  color: var(--gold);
}

/* Sidebar Footer */
.sidebar-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--bg-tertiary);
}

/* ============================================
   Main Content Area
   ============================================ */
.main-content {
  padding: 2rem;
  overflow-y: auto;
  max-height: 100vh;
}

@media (max-width: 768px) {
  .main-content {
    padding: 1rem;
  }
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--gold);
}

.breadcrumb-separator {
  color: var(--text-muted);
}

.page-title {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.page-description {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* ============================================
   Framework Badges
   ============================================ */
.framework-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.framework-badge {
  font-size: 0.6875rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-left: 2px solid transparent;
}

.framework-badge.owasp { border-left-color: var(--owasp-color); }
.framework-badge.atlas { border-left-color: var(--atlas-color); }
.framework-badge.gartner { border-left-color: var(--gartner-color); }
.framework-badge.eu-ai { border-left-color: var(--eu-ai-color); }
.framework-badge.nist { border-left-color: var(--nist-color); }
.framework-badge.iso { border-left-color: var(--iso-color); }

/* Signal Type Badges */
.signal-badge {
  font-size: 0.6875rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 500;
}

.signal-badge.governance { background: rgba(201, 169, 98, 0.2); color: var(--governance-color); }
.signal-badge.compliance { background: rgba(63, 81, 181, 0.2); color: var(--compliance-color); }
.signal-badge.technical { background: rgba(233, 30, 99, 0.2); color: var(--technical-color); }
.signal-badge.operational { background: rgba(0, 150, 136, 0.2); color: var(--operational-color); }
.signal-badge.inventory { background: rgba(103, 58, 183, 0.2); color: var(--inventory-color); }
.signal-badge.supply_chain { background: rgba(255, 87, 34, 0.2); color: var(--supply-chain-color); }

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: 8px;
  padding: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--gold-light);
}

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

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

.btn-outline {
  background: transparent;
  border: 1px solid var(--bg-tertiary);
  color: var(--text-secondary);
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
  margin-bottom: 1.25rem;
}

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

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--bg-hover);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(201, 169, 98, 0.2);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-gold { color: var(--gold); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.hidden { display: none; }

/* ============================================
   Mobile Navigation Toggle
   ============================================ */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1001;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-primary);
}

@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex;
  }
}

/* Mobile overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.sidebar-overlay.active {
  display: block;
}