@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ==========================================================================
   NX FORTRESS · CORTEX DESIGN SYSTEM
   Theme Tokens, Modern Typography & High-Performance UI Components
   ========================================================================== */

:root {
  /* Brand Tokens */
  --nx-brand: #0D111B;
  --nx-brand-light: #1A202C;
  --nx-accent: #2563EB;
  --nx-accent-hover: #1D4ED8;
  --nx-accent-soft: #EFF4FF;
  --nx-accent-glow: rgba(37, 99, 235, 0.25);
  
  /* Status Colors */
  --nx-success: #059669;
  --nx-success-soft: #ECFDF5;
  --nx-success-border: #A7F3D0;
  --nx-warning: #D97706;
  --nx-warning-soft: #FFFBEB;
  --nx-warning-border: #FCD34D;
  --nx-danger: #DC4F3A;
  --nx-danger-soft: #FEF2F0;
  --nx-danger-border: #FCA5A5;
  --nx-info: #0284C7;
  --nx-info-soft: #F0F9FF;

  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Light Theme (Default Canvas) */
  --bg-page: #F8FAFC;
  --bg-page-subtle: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAFCFE;
  --bg-input: #FFFFFF;
  --bg-pill: rgba(255, 255, 255, 0.92);
  --border-color: #E2E8F0;
  --border-subtle: #EDF2F7;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-white: #FFFFFF;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 12px 20px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.07), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-card: 20px;
  --radius-pill: 9999px;

  /* Layout Measurements */
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 80px;
  --navbar-height: 72px;
}

[data-theme="dark"] {
  /* NX Fortress Midnight Dark Theme */
  --bg-page: #0B0E14;
  --bg-page-subtle: #10141C;
  --bg-card: #141822;
  --bg-card-hover: #1A202D;
  --bg-input: #121620;
  --bg-pill: rgba(20, 24, 34, 0.88);
  --border-color: #242D3D;
  --border-subtle: #1A212E;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --nx-accent-soft: rgba(37, 99, 235, 0.15);
  --nx-success-soft: rgba(5, 150, 105, 0.15);
  --nx-warning-soft: rgba(217, 119, 6, 0.15);
  --nx-danger-soft: rgba(220, 79, 58, 0.15);

  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 12px 20px -3px rgba(0, 0, 0, 0.5);
  --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.25s ease, color 0.25s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1.25;
}

a {
  color: var(--nx-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--nx-accent-hover);
}

/* ==========================================================================
   Shell Layout Architecture
   ========================================================================== */

.cortex-app {
  display: flex;
  min-height: 100vh;
  position: relative;
  background-color: var(--bg-page);
}

/* Sidebar Navigation */
.cortex-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  scrollbar-width: none;
}

.cortex-sidebar::-webkit-scrollbar {
  display: none;
}

.cortex-sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.cortex-sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.cortex-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.cortex-brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--nx-accent);
  box-shadow: 0 0 10px var(--nx-accent);
}

.cortex-nav-section {
  padding: 16px 12px 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.cortex-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  margin: 3px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

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

.cortex-nav-item.active {
  background: var(--nx-accent);
  color: var(--text-white);
  font-weight: 600;
  box-shadow: 0 4px 12px var(--nx-accent-glow);
}

.cortex-nav-item.active .cortex-nav-icon {
  color: var(--text-white);
}

.cortex-nav-icon {
  font-size: 17px;
  color: var(--text-muted);
  width: 20px;
  display: flex;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.15s;
}

/* Main Content Area */
.cortex-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
}

/* Floating Pill Navbar */
.cortex-topbar-wrapper {
  position: sticky;
  top: 16px;
  z-index: 40;
  padding: 0 28px;
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}

.cortex-floating-navbar {
  background: var(--bg-pill);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-float);
  padding: 10px 24px;
  width: 100%;
  max-width: 1400px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.cortex-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.cortex-breadcrumb-sep {
  color: var(--text-muted);
  font-size: 11px;
}

.cortex-topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cortex-page-content {
  padding: 0 32px 48px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* ==========================================================================
   Cortex UI Kit Component Tokens
   ========================================================================== */

/* Buttons */
.cortex-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  white-space: nowrap;
}

.cortex-btn:active {
  transform: scale(0.98);
}

.cortex-btn-primary {
  background: var(--nx-brand);
  color: var(--text-white);
  border-color: var(--nx-brand);
  box-shadow: var(--shadow-sm);
}

.cortex-btn-primary:hover {
  background: #1e2536;
  border-color: #1e2536;
}

[data-theme="dark"] .cortex-btn-primary {
  background: var(--nx-accent);
  border-color: var(--nx-accent);
}

[data-theme="dark"] .cortex-btn-primary:hover {
  background: var(--nx-accent-hover);
}

.cortex-btn-accent {
  background: var(--nx-accent);
  color: var(--text-white);
  box-shadow: 0 2px 8px var(--nx-accent-glow);
}

.cortex-btn-accent:hover {
  background: var(--nx-accent-hover);
}

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

.cortex-btn-secondary:hover {
  background: var(--bg-page-subtle);
  border-color: var(--text-muted);
}

.cortex-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.cortex-btn-ghost:hover {
  background: var(--bg-page-subtle);
  color: var(--text-primary);
}

.cortex-btn-danger {
  background: var(--nx-danger);
  color: var(--text-white);
}

.cortex-btn-danger:hover {
  background: #B93825;
}

.cortex-btn-sm {
  padding: 6px 14px;
  font-size: 12px;
}

.cortex-btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.cortex-btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
}

/* Cards & Panels (NX Fortress 20px Radius Style) */
.cortex-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 24px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.cortex-card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(37, 99, 235, 0.3);
}

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

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

.cortex-card-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-page-subtle);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--nx-accent);
  margin-bottom: 16px;
}

/* Stat Box Component */
.cortex-stat-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cortex-stat-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.cortex-stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.cortex-stat-sub {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Badges & Tags */
.cortex-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.cortex-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.cortex-badge-success {
  background: var(--nx-success-soft);
  color: var(--nx-success);
}
.cortex-badge-success .cortex-badge-dot { background: var(--nx-success); }

.cortex-badge-warning {
  background: var(--nx-warning-soft);
  color: var(--nx-warning);
}
.cortex-badge-warning .cortex-badge-dot { background: var(--nx-warning); }

.cortex-badge-danger {
  background: var(--nx-danger-soft);
  color: var(--nx-danger);
}
.cortex-badge-danger .cortex-badge-dot { background: var(--nx-danger); }

.cortex-badge-accent {
  background: var(--nx-accent-soft);
  color: var(--nx-accent);
}
.cortex-badge-accent .cortex-badge-dot { background: var(--nx-accent); }

.cortex-badge-neutral {
  background: var(--bg-page-subtle);
  color: var(--text-secondary);
}
.cortex-badge-neutral .cortex-badge-dot { background: var(--text-muted); }

/* Form Controls */
.cortex-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.cortex-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.cortex-input, .cortex-select {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 13.5px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  outline: none;
  transition: all 0.15s ease;
}

.cortex-input:focus, .cortex-select:focus {
  border-color: var(--nx-accent);
  box-shadow: 0 0 0 3px var(--nx-accent-soft);
}

/* Data Table */
.cortex-table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.cortex-table-toolbar {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  gap: 16px;
  flex-wrap: wrap;
}

.cortex-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.cortex-table th {
  background: var(--bg-page-subtle);
  padding: 12px 18px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  user-select: none;
}

.cortex-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: middle;
}

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

.cortex-table tr:hover td {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.cortex-table-footer {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-muted);
}

/* Modals */
.cortex-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 14, 20, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: cortexFadeIn 0.2s ease-out;
}

.cortex-modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: cortexSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.cortex-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cortex-modal-body {
  padding: 24px;
  overflow-y: auto;
}

.cortex-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-page-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Toasts */
.cortex-toast-host {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 110;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.cortex-toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-float);
  padding: 14px 18px;
  min-width: 320px;
  max-width: 420px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  pointer-events: auto;
  animation: cortexSlideLeft 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Animations */
@keyframes cortexFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes cortexSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes cortexSlideLeft {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Responsive Grid */
.cortex-grid {
  display: grid;
  gap: 20px;
}
.cortex-grid-4 { grid-template-columns: repeat(4, 1fr); }
.cortex-grid-3 { grid-template-columns: repeat(3, 1fr); }
.cortex-grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 1100px) {
  .cortex-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .cortex-sidebar { display: none; }
  .cortex-grid-4, .cortex-grid-3, .cortex-grid-2 { grid-template-columns: 1fr; }
  .cortex-page-content { padding: 0 16px 32px; }
  .cortex-topbar-wrapper { padding: 0 16px; }
}