/* ==============================================
   COGNIMA API - Modern Styles
   Arquivo CSS global otimizado e moderno
   ============================================== */

/* === ROOT VARIABLES === */
:root {
  /* Colors - Primary Palette */
  --color-primary: #667eea;
  --color-primary-dark: #5568d3;
  --color-primary-light: #7b92f0;
  --color-secondary: #764ba2;
  --color-accent: #f093fb;
  
  /* Colors - UI */
  --color-success: #10b981;
  --color-success-light: #34d399;
  --color-warning: #f59e0b;
  --color-warning-light: #fbbf24;
  --color-error: #ef4444;
  --color-error-light: #f87171;
  --color-info: #3b82f6;
  --color-info-light: #60a5fa;
  
  /* Colors - Neutrals */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-info: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-error: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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-glow: 0 0 20px rgba(102, 126, 234, 0.4);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  --transition-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* === DARK MODE VARIABLES === */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: var(--color-gray-900);
    --color-bg-secondary: var(--color-gray-800);
    --color-text-primary: var(--color-gray-100);
    --color-text-secondary: var(--color-gray-400);
  }
}

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

*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  min-height: 100vh;
  overflow-x: hidden;
}

/* === ANIMATIONS === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

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

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(0.95);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(102, 126, 234, 0.6);
  }
}

/* === UTILITY CLASSES === */

/* Animations */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease-out;
}

.animate-bounce-in {
  animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

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

/* Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: var(--shadow-glow);
}

/* Glass Morphism */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-lg);
}

/* Gradients */
.gradient-bg {
  background: var(--gradient-primary);
}

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

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-gray-800);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
  transform: translateY(-2px);
}

.btn-success {
  background: var(--gradient-success);
  color: white;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

/* Loading States */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.badge-success {
  background: #d1fae5;
  color: var(--color-success);
}

.badge-warning {
  background: #fef3c7;
  color: var(--color-warning);
}

.badge-error {
  background: #fee2e2;
  color: var(--color-error);
}

.badge-info {
  background: #dbeafe;
  color: var(--color-info);
}

/* Progress Bars */
.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

/* Tooltips */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-gray-900);
  color: white;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: var(--z-tooltip);
}

.tooltip:hover::before {
  opacity: 1;
}

/* Responsive Grid */
.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Section */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* === RESPONSIVE BREAKPOINTS === */
@media (max-width: 1280px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .card {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
  }
}

/* === ACCESSIBILITY === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* === PRINT STYLES === */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a,
  a:visited {
    text-decoration: underline;
  }
  
  pre {
    white-space: pre-wrap !important;
  }
  
  img {
    page-break-inside: avoid;
  }
  
  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }
  
  h2,
  h3 {
    page-break-after: avoid;
  }
}

/* === PERFORMANCE OPTIMIZATIONS === */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
}