/**
 * ============================================================================
 * ANTECH O&M - SISTEMA DE DESIGN PROFISSIONAL
 * ============================================================================
 * Design System: Cores, Tipografia, Componentes e Animações
 * Versão: 2.0
 * ============================================================================
 */

/* ============================================================================
   VARIÁVEIS CSS - DESIGN TOKENS
   ============================================================================ */
:root {
  /* Cores Primárias - Roxo Moderno */
  --primary-50: #f5f3ff;
  --primary-100: #ede9fe;
  --primary-200: #ddd6fe;
  --primary-300: #c4b5fd;
  --primary-400: #a78bfa;
  --primary-500: #667eea;
  --primary-600: #764ba2;
  --primary-700: #6d28d9;
  --primary-800: #5b21b6;
  --primary-900: #4c1d95;

  /* Cores Secundárias */
  --secondary-50: #f8fafc;
  --secondary-100: #f1f5f9;
  --secondary-200: #e2e8f0;
  --secondary-300: #cbd5e1;
  --secondary-400: #94a3b8;
  --secondary-500: #64748b;
  --secondary-600: #475569;
  --secondary-700: #334155;
  --secondary-800: #1e293b;
  --secondary-900: #0f172a;

  /* Cores de Status */
  --success-50: #f0fdf4;
  --success-500: #10b981;
  --success-600: #059669;
  --success-700: #047857;

  --warning-50: #fffbeb;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --warning-700: #b45309;

  --danger-50: #fef2f2;
  --danger-500: #ef4444;
  --danger-600: #dc2626;
  --danger-700: #b91c1c;

  --info-50: #eff6ff;
  --info-500: #3b82f6;
  --info-600: #2563eb;
  --info-700: #1d4ed8;

  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  --gradient-sunset: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --gradient-ocean: linear-gradient(135deg, #2193b0 0%, #6dd5ed 100%);
  --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  /* Sombras */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Espaçamentos */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Bordas */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* Transições */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ============================================================================
   TEMA DARK MODE
   ============================================================================ */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --border-color: #475569;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
}

/* ============================================================================
   RESET E BASE
   ============================================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-base);
}

/* ============================================================================
   COMPONENTES - CARDS MODERNOS
   ============================================================================ */
.card-modern {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  transition: all var(--transition-base);
  border: 1px solid var(--border-color);
}

.card-modern:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.card-gradient {
  background: var(--gradient-primary);
  color: white;
  border: none;
}

.card-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ============================================================================
   COMPONENTES - BOTÕES PROFISSIONAIS
   ============================================================================ */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  outline: none;
  text-decoration: none;
}

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

.btn-primary {
  background: var(--primary-600);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-700);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--secondary-200);
  color: var(--secondary-900);
}

.btn-secondary:hover {
  background: var(--secondary-300);
}

.btn-success {
  background: var(--success-600);
  color: white;
}

.btn-success:hover {
  background: var(--success-700);
}

.btn-gradient {
  background: var(--gradient-primary);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--transition-slow);
}

.btn-gradient:hover::before {
  left: 100%;
}

/* ============================================================================
   COMPONENTES - BADGES E TAGS
   ============================================================================ */
.badge-modern {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.025em;
}

.badge-success {
  background: var(--success-50);
  color: var(--success-700);
}

.badge-warning {
  background: var(--warning-50);
  color: var(--warning-700);
}

.badge-danger {
  background: var(--danger-50);
  color: var(--danger-700);
}

.badge-info {
  background: var(--info-50);
  color: var(--info-700);
}

/* ============================================================================
   COMPONENTES - INPUTS MODERNOS
   ============================================================================ */
.input-modern {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  transition: all var(--transition-base);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.input-modern:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-modern::placeholder {
  color: var(--text-secondary);
}

/* ============================================================================
   COMPONENTES - STATS CARDS
   ============================================================================ */
.stat-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.stat-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.stat-icon.primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  color: white;
}

.stat-icon.success {
  background: linear-gradient(135deg, var(--success-500), var(--success-600));
  color: white;
}

.stat-icon.warning {
  background: linear-gradient(135deg, var(--warning-500), var(--warning-600));
  color: white;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================================================
   ANIMAÇÕES
   ============================================================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

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

.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

.animate-slide-in {
  animation: slideInRight var(--transition-base) ease-out;
}

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

/* ============================================================================
   UTILIDADES
   ============================================================================ */
.glass-effect {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.shadow-glow {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* ============================================================================
   SCROLLBAR CUSTOMIZADO
   ============================================================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-500);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-600);
}

/* ============================================================================
   RESPONSIVIDADE
   ============================================================================ */
@media (max-width: 768px) {
  .stat-card {
    padding: var(--space-4);
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .btn-modern {
    padding: var(--space-2) var(--space-4);
    font-size: 0.8125rem;
  }
}

/* ============================================================================
   LOADING STATES
   ============================================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--secondary-200) 25%, var(--secondary-100) 50%, var(--secondary-200) 75%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-lg);
}

.spinner {
  border: 3px solid var(--secondary-200);
  border-top: 3px solid var(--primary-500);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}