/**
 * AInvest Pro - Design System
 * Baseado no Figma: AInvest Pro
 * Última atualização: 2026-03-07
 */

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

/* ========================================
   CSS VARIABLES - DESIGN TOKENS
   ======================================== */
:root {
  /* Primary Colors */
  --color-bg-primary: #13161C;
  --color-bg-secondary: #21262E;
  --color-bg-tertiary: #141E2B;
  
  /* Brand Colors */
  --color-blue-primary: #0D64FF;
  --color-blue-secondary: #3B7DF1;
  --color-blue-hover: #0C469C;
  --color-purple: #7125CD;
  
  /* Status Colors */
  --color-green: #36CB4C;
  --color-red: #FC4141;
  --color-orange: #FFAA2A;
  --color-yellow: #E7A618;
  
  /* Gray Scale */
  --color-gray-100: #E6E6E6;
  --color-gray-200: #BBBCBC;
  --color-gray-300: #999999;
  --color-gray-400: #8A8A8A;
  --color-gray-500: #6C6D6F;
  --color-gray-600: #545454;
  --color-gray-700: #3C3C3C;
  --color-gray-800: #21262E;
  --color-gray-900: #0A0B0E;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Font Sizes */
  --font-size-xs: 0.6875rem;    /* 11px */
  --font-size-sm: 0.8125rem;    /* 13px */
  --font-size-base: 0.9375rem;  /* 15px */
  --font-size-lg: 1.25rem;      /* 20px */
  --font-size-xl: 2.1875rem;    /* 35px */
  --font-size-2xl: 3.125rem;    /* 50px */
  --font-size-3xl: 3.75rem;     /* 60px */
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  
  /* Border Radius */
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-full: 9999px;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow-blue: 0 0 20px rgba(13, 100, 255, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Z-Index Layers */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-gray-100);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-100);
}

h1 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-normal);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

h5, h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

a {
  color: var(--color-blue-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-blue-secondary);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-primary { color: var(--color-blue-primary); }
.text-secondary { color: var(--color-gray-300); }
.text-success { color: var(--color-green); }
.text-danger { color: var(--color-red); }
.text-warning { color: var(--color-orange); }
.text-white { color: #FFFFFF; }

.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-card { background-color: var(--color-gray-800); }

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

.fw-light { font-weight: var(--font-weight-light); }
.fw-normal { font-weight: var(--font-weight-normal); }
.fw-medium { font-weight: var(--font-weight-medium); }
.fw-semibold { font-weight: var(--font-weight-semibold); }
.fw-bold { font-weight: var(--font-weight-bold); }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-blue-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-blue-hover);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-gray-100);
  border: 1px solid var(--color-gray-600);
}

.btn-secondary:hover {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-500);
}

.btn-success {
  background-color: var(--color-green);
  color: #FFFFFF;
}

.btn-danger {
  background-color: var(--color-red);
  color: #FFFFFF;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background-color: var(--color-gray-800);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.card-header {
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-700);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0;
}

.card-body {
  padding: var(--spacing-md) 0;
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-300);
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-gray-100);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-blue-primary);
  box-shadow: 0 0 0 3px rgba(13, 100, 255, 0.1);
}

.form-control::placeholder {
  color: var(--color-gray-500);
}

/* ========================================
   BADGES & TAGS
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary { background-color: var(--color-blue-primary); color: #FFFFFF; }
.badge-success { background-color: var(--color-green); color: #FFFFFF; }
.badge-danger { background-color: var(--color-red); color: #FFFFFF; }
.badge-warning { background-color: var(--color-orange); color: #000000; }
.badge-purple { background-color: var(--color-purple); color: #FFFFFF; }

/* ========================================
   LOADING & SPINNERS
   ======================================== */
.spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--color-gray-600);
  border-top-color: var(--color-blue-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ========================================
   GRADIENTS
   ======================================== */
.gradient-blue {
  background: linear-gradient(135deg, #0C469C 0%, #0D64FF 50%, rgba(13, 100, 255, 0.3) 100%);
}

.gradient-purple {
  background: linear-gradient(135deg, #7125CD 0%, #8A3CF1 100%);
}

.gradient-text {
  background: linear-gradient(135deg, #0D64FF, #7125CD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2.5rem;
    --font-size-2xl: 2rem;
    --font-size-xl: 1.75rem;
  }
  
  .card {
    padding: var(--spacing-md);
  }
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--color-gray-700);
  border-radius: var(--radius-sm);
}

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