/**
 * Debt Empire - Global Design System
 * Unified styles for all dashboard pages
 */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Colors - Primary */
  --color-primary: #3B82F6;
  --color-primary-light: #60A5FA;
  --color-primary-dark: #2563EB;
  
  /* Colors - Accent */
  --color-accent: #06B6D4;
  --color-accent-light: #22D3EE;
  --color-accent-dark: #0891B2;
  
  /* Colors - Background */
  --bg-main: #0a0f1a;
  --bg-card: rgba(15, 23, 42, 0.8);
  --bg-card-hover: rgba(15, 23, 42, 0.95);
  --bg-sidebar: rgba(15, 23, 42, 0.95);
  
  /* Colors - Semantic */
  --color-success: #22C55E;
  --color-success-light: #4ADE80;
  --color-warning: #F59E0B;
  --color-warning-light: #FBBF24;
  --color-danger: #EF4444;
  --color-danger-light: #F87171;
  --color-info: #3B82F6;
  
  /* Colors - Text */
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-tertiary: #64748B;
  --text-muted: #475569;
  
  /* Colors - Borders */
  --border-primary: rgba(59, 130, 246, 0.1);
  --border-accent: rgba(6, 182, 212, 0.1);
  --border-hover: rgba(59, 130, 246, 0.3);
  --border-active: rgba(59, 130, 246, 0.5);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
  --shadow-glow-strong: 0 0 32px rgba(59, 130, 246, 0.5);
  
  /* Typography */
  --font-body: 'Inter', sans-serif;
  --font-display: 'Orbitron', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-tooltip: 1060;
}

/* ============================================
   Base Resets & Global Styles
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background: var(--bg-main);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.5;
}

/* ============================================
   Typography Classes
   ============================================ */
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.subsection-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.font-orbitron {
  font-family: var(--font-display);
}

/* ============================================
   Card Components
   ============================================ */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md),
              inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: all var(--transition-base);
}

.glass-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 48px rgba(59, 130, 246, 0.15),
              inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.stat-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(30, 41, 59, 0.8) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--border-active);
  box-shadow: var(--shadow-glow-strong);
}

.stat-card:hover::before {
  opacity: 1;
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-base);
}

.metric-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* ============================================
   Button Components
   ============================================ */
.btn {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--text-primary);
  box-shadow: var(--shadow-sm), 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md), 0 6px 20px rgba(59, 130, 246, 0.5);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-danger), #DC2626);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm), 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  box-shadow: var(--shadow-md), 0 6px 20px rgba(239, 68, 68, 0.5);
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--text-primary);
  border-color: var(--border-primary);
}

.btn-icon {
  padding: 10px;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--text-primary);
}

/* ============================================
   Form Components
   ============================================ */
.input-field {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all var(--transition-base);
}

.input-field::placeholder {
  color: var(--text-muted);
}

.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.select-field {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-base);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.select-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.toggle-switch {
  position: relative;
  width: 48px;
  height: 24px;
  background: var(--text-muted);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-base);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-base);
}

.toggle-switch.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

.toggle-switch.active::after {
  transform: translateX(24px);
}

/* ============================================
   Animation Classes
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-up {
  animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.scale-in {
  animation: scaleIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.glow-pulse {
  animation: glowPulse 2s ease-in-out infinite;
}

/* Staggered animations */
.stagger-1 { animation-delay: 0.1s; opacity: 0; }
.stagger-2 { animation-delay: 0.2s; opacity: 0; }
.stagger-3 { animation-delay: 0.3s; opacity: 0; }
.stagger-4 { animation-delay: 0.4s; opacity: 0; }
.stagger-5 { animation-delay: 0.5s; opacity: 0; }
.stagger-6 { animation-delay: 0.6s; opacity: 0; }
.stagger-7 { animation-delay: 0.7s; opacity: 0; }
.stagger-8 { animation-delay: 0.8s; opacity: 0; }

/* ============================================
   Loading Skeleton
   ============================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(30, 41, 59, 0.5) 25%,
    rgba(51, 65, 85, 0.5) 50%,
    rgba(30, 41, 59, 0.5) 75%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton-circle {
  border-radius: 50%;
  width: 48px;
  height: 48px;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  text-align: center;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-lg);
  color: var(--text-tertiary);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ============================================
   Tooltip
   ============================================ */
.tooltip {
  position: absolute;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
  border: 1px solid var(--border-hover);
  box-shadow: var(--shadow-md);
  z-index: var(--z-tooltip);
}

.tooltip.show {
  opacity: 1;
}

/* ============================================
   Badge Components
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background: rgba(59, 130, 246, 0.2);
  color: var(--color-primary-light);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-success {
  background: rgba(34, 197, 94, 0.2);
  color: var(--color-success-light);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning-light);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-danger-light);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* ============================================
   Progress Bar
   ============================================ */
.progress-bar {
  height: 6px;
  background: rgba(15, 23, 42, 0.8);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.6);
}

/* ============================================
   Status Dot
   ============================================ */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px currentColor;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 8px currentColor;
  }
  50% {
    box-shadow: 0 0 16px currentColor, 0 0 24px currentColor;
  }
}

.status-dot.online {
  background: var(--color-success);
}

.status-dot.busy {
  background: var(--color-warning);
}

.status-dot.offline {
  background: var(--text-muted);
}

/* ============================================
   Divider
   ============================================ */
.section-divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--border-hover),
    transparent
  );
  margin: var(--spacing-md) 0;
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
  background: rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.5);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }