/*
 * Fantasy Football AI - Professional Design System
 * Modern SaaS-grade design for AI-powered fantasy football automation
 * Version: 2.0.0 - Complete Professional Overhaul
 */

/* ==========================================================================
   CSS Custom Properties - Professional Color System
   ========================================================================== */

:root {
  /* Brand Colors - Fantasy Football AI Theme */
  --ff-brand-primary: #1e40af;
  --ff-brand-secondary: #059669;
  --ff-brand-accent: #dc2626;
  
  /* Neutral Palette - Ultra Clean */
  --ff-gray-50: #f9fafb;
  --ff-gray-100: #f3f4f6;
  --ff-gray-200: #e5e7eb;
  --ff-gray-300: #d1d5db;
  --ff-gray-400: #9ca3af;
  --ff-gray-500: #6b7280;
  --ff-gray-600: #4b5563;
  --ff-gray-700: #374151;
  --ff-gray-800: #1f2937;
  --ff-gray-900: #111827;
  
  /* Semantic Colors */
  --ff-success: #059669;
  --ff-success-light: #d1fae5;
  --ff-warning: #d97706;
  --ff-warning-light: #fef3c7;
  --ff-error: #dc2626;
  --ff-error-light: #fee2e2;
  --ff-info: #2563eb;
  --ff-info-light: #dbeafe;
  
  /* Typography Scale */
  --ff-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --ff-font-mono: "JetBrains Mono", "Fira Code", monospace;
  
  /* Font Sizes - Type Scale */
  --ff-text-xs: 0.75rem;    /* 12px */
  --ff-text-sm: 0.875rem;   /* 14px */
  --ff-text-base: 1rem;     /* 16px */
  --ff-text-lg: 1.125rem;   /* 18px */
  --ff-text-xl: 1.25rem;    /* 20px */
  --ff-text-2xl: 1.5rem;    /* 24px */
  --ff-text-3xl: 1.875rem;  /* 30px */
  --ff-text-4xl: 2.25rem;   /* 36px */
  --ff-text-5xl: 3rem;      /* 48px */
  
  /* Font Weights */
  --ff-font-normal: 400;
  --ff-font-medium: 500;
  --ff-font-semibold: 600;
  --ff-font-bold: 700;
  --ff-font-extrabold: 800;
  
  /* Spacing Scale - 8px Grid System */
  --ff-space-1: 0.25rem;   /* 4px */
  --ff-space-2: 0.5rem;    /* 8px */
  --ff-space-3: 0.75rem;   /* 12px */
  --ff-space-4: 1rem;      /* 16px */
  --ff-space-5: 1.25rem;   /* 20px */
  --ff-space-6: 1.5rem;    /* 24px */
  --ff-space-8: 2rem;      /* 32px */
  --ff-space-10: 2.5rem;   /* 40px */
  --ff-space-12: 3rem;     /* 48px */
  --ff-space-16: 4rem;     /* 64px */
  --ff-space-20: 5rem;     /* 80px */
  
  /* Border Radius */
  --ff-radius-sm: 0.25rem;
  --ff-radius-base: 0.5rem;
  --ff-radius-lg: 0.75rem;
  --ff-radius-xl: 1rem;
  --ff-radius-2xl: 1.5rem;
  
  /* Shadows - Subtle Depth */
  --ff-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --ff-shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --ff-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --ff-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --ff-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --ff-transition-fast: 150ms ease-in-out;
  --ff-transition-base: 200ms ease-in-out;
  --ff-transition-slow: 300ms ease-in-out;
  
  /* Z-Index Scale */
  --ff-z-dropdown: 10;
  --ff-z-sticky: 20;
  --ff-z-fixed: 30;
  --ff-z-modal: 40;
  --ff-z-popover: 50;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --ff-gray-50: #18181b;
  --ff-gray-100: #27272a;
  --ff-gray-200: #3f3f46;
  --ff-gray-300: #52525b;
  --ff-gray-400: #71717a;
  --ff-gray-500: #a1a1aa;
  --ff-gray-600: #d4d4d8;
  --ff-gray-700: #e4e4e7;
  --ff-gray-800: #f4f4f5;
  --ff-gray-900: #fafafa;
}

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

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--ff-font-family);
  font-weight: var(--ff-font-normal);
  color: var(--ff-gray-900);
  background-color: var(--ff-gray-50);
  line-height: 1.6;
}

/* ==========================================================================
   Typography System - Professional Hierarchy
   ========================================================================== */

.ff-h1 {
  font-size: var(--ff-text-4xl);
  font-weight: var(--ff-font-extrabold);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--ff-gray-900);
}

.ff-h2 {
  font-size: var(--ff-text-3xl);
  font-weight: var(--ff-font-bold);
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--ff-gray-900);
}

.ff-h3 {
  font-size: var(--ff-text-2xl);
  font-weight: var(--ff-font-semibold);
  line-height: 1.4;
  color: var(--ff-gray-900);
}

.ff-h4 {
  font-size: var(--ff-text-xl);
  font-weight: var(--ff-font-semibold);
  line-height: 1.4;
  color: var(--ff-gray-900);
}

.ff-h5 {
  font-size: var(--ff-text-lg);
  font-weight: var(--ff-font-medium);
  line-height: 1.5;
  color: var(--ff-gray-800);
}

.ff-body {
  font-size: var(--ff-text-base);
  font-weight: var(--ff-font-normal);
  line-height: 1.6;
  color: var(--ff-gray-700);
}

.ff-body-sm {
  font-size: var(--ff-text-sm);
  font-weight: var(--ff-font-normal);
  line-height: 1.5;
  color: var(--ff-gray-600);
}

.ff-caption {
  font-size: var(--ff-text-xs);
  font-weight: var(--ff-font-medium);
  line-height: 1.4;
  color: var(--ff-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Layout System - Professional Grid
   ========================================================================== */

.ff-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--ff-space-6);
}

.ff-container-fluid {
  width: 100%;
  padding: 0 var(--ff-space-6);
}

.ff-grid {
  display: grid;
  gap: var(--ff-space-6);
}

.ff-grid-1 { grid-template-columns: 1fr; }
.ff-grid-2 { grid-template-columns: repeat(2, 1fr); }
.ff-grid-3 { grid-template-columns: repeat(3, 1fr); }
.ff-grid-4 { grid-template-columns: repeat(4, 1fr); }
.ff-grid-5 { grid-template-columns: repeat(5, 1fr); }
.ff-grid-6 { grid-template-columns: repeat(6, 1fr); }

/* Responsive Grid */
@media (max-width: 1024px) {
  .ff-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ff-grid-5 { grid-template-columns: repeat(3, 1fr); }
  .ff-grid-6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .ff-grid-2,
  .ff-grid-3,
  .ff-grid-4,
  .ff-grid-5,
  .ff-grid-6 { 
    grid-template-columns: 1fr; 
  }
}

/* Flexbox Utilities */
.ff-flex { display: flex; }
.ff-flex-col { flex-direction: column; }
.ff-flex-wrap { flex-wrap: wrap; }
.ff-items-center { align-items: center; }
.ff-items-start { align-items: flex-start; }
.ff-items-end { align-items: flex-end; }
.ff-justify-center { justify-content: center; }
.ff-justify-between { justify-content: space-between; }
.ff-justify-start { justify-content: flex-start; }
.ff-justify-end { justify-content: flex-end; }

/* ==========================================================================
   Component System - Modern Card Design
   ========================================================================== */

.ff-card {
  background: white;
  border: 1px solid var(--ff-gray-200);
  border-radius: var(--ff-radius-lg);
  box-shadow: var(--ff-shadow-sm);
  transition: all var(--ff-transition-base);
  overflow: hidden;
}

.ff-card:hover {
  box-shadow: var(--ff-shadow-md);
  border-color: var(--ff-gray-300);
}

.ff-card-header {
  padding: var(--ff-space-6);
  border-bottom: 1px solid var(--ff-gray-100);
  background: var(--ff-gray-50);
}

.ff-card-body {
  padding: var(--ff-space-6);
}

.ff-card-footer {
  padding: var(--ff-space-6);
  border-top: 1px solid var(--ff-gray-100);
  background: var(--ff-gray-50);
}

/* Stats Cards - Clean Professional Design */
.ff-stats-card {
  background: white;
  border: 1px solid var(--ff-gray-200);
  border-radius: var(--ff-radius-lg);
  padding: var(--ff-space-6);
  text-align: center;
  transition: all var(--ff-transition-base);
  position: relative;
  overflow: hidden;
}

.ff-stats-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ff-shadow-lg);
  border-color: var(--ff-brand-primary);
}

.ff-stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--ff-brand-primary), var(--ff-brand-secondary));
}

.ff-stats-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--ff-space-4);
  border-radius: var(--ff-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--ff-text-xl);
  color: white;
  background: var(--ff-brand-primary);
}

.ff-stats-icon.success { background: var(--ff-success); }
.ff-stats-icon.warning { background: var(--ff-warning); }
.ff-stats-icon.error { background: var(--ff-error); }
.ff-stats-icon.info { background: var(--ff-info); }

.ff-stats-value {
  font-size: var(--ff-text-3xl);
  font-weight: var(--ff-font-extrabold);
  color: var(--ff-gray-900);
  margin-bottom: var(--ff-space-2);
  line-height: 1;
}

.ff-stats-label {
  font-size: var(--ff-text-base);
  font-weight: var(--ff-font-semibold);
  color: var(--ff-gray-700);
  margin-bottom: var(--ff-space-1);
}

.ff-stats-description {
  font-size: var(--ff-text-sm);
  color: var(--ff-gray-500);
  line-height: 1.4;
}

/* ==========================================================================
   Button System - Professional & Accessible
   ========================================================================== */

.ff-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ff-space-2);
  padding: var(--ff-space-3) var(--ff-space-6);
  border: 1px solid transparent;
  border-radius: var(--ff-radius-base);
  font-family: inherit;
  font-size: var(--ff-text-sm);
  font-weight: var(--ff-font-semibold);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--ff-transition-base);
  outline: none;
  position: relative;
  overflow: hidden;
}

.ff-btn:focus-visible {
  outline: 2px solid var(--ff-brand-primary);
  outline-offset: 2px;
}

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

/* Button Variants */
.ff-btn-primary {
  background: var(--ff-brand-primary);
  color: white;
  box-shadow: var(--ff-shadow-sm);
}

.ff-btn-primary:hover {
  background: #1e3a8a;
  box-shadow: var(--ff-shadow-md);
  transform: translateY(-1px);
}

.ff-btn-secondary {
  background: white;
  color: var(--ff-gray-700);
  border-color: var(--ff-gray-300);
  box-shadow: var(--ff-shadow-sm);
}

.ff-btn-secondary:hover {
  background: var(--ff-gray-50);
  border-color: var(--ff-gray-400);
  box-shadow: var(--ff-shadow-md);
}

.ff-btn-success {
  background: var(--ff-success);
  color: white;
  box-shadow: var(--ff-shadow-sm);
}

.ff-btn-success:hover {
  background: #047857;
  box-shadow: var(--ff-shadow-md);
  transform: translateY(-1px);
}

.ff-btn-danger {
  background: var(--ff-error);
  color: white;
  box-shadow: var(--ff-shadow-sm);
}

.ff-btn-danger:hover {
  background: #b91c1c;
  box-shadow: var(--ff-shadow-md);
  transform: translateY(-1px);
}

.ff-btn-ghost {
  background: transparent;
  color: var(--ff-gray-600);
  border-color: transparent;
}

.ff-btn-ghost:hover {
  background: var(--ff-gray-100);
  color: var(--ff-gray-900);
}

/* Button Sizes */
.ff-btn-sm {
  padding: var(--ff-space-2) var(--ff-space-4);
  font-size: var(--ff-text-xs);
}

.ff-btn-lg {
  padding: var(--ff-space-4) var(--ff-space-8);
  font-size: var(--ff-text-base);
}

.ff-btn-xl {
  padding: var(--ff-space-5) var(--ff-space-10);
  font-size: var(--ff-text-lg);
}

/* ==========================================================================
   Navigation System - Modern & Clean
   ========================================================================== */

.ff-nav {
  background: white;
  border-bottom: 1px solid var(--ff-gray-200);
  box-shadow: var(--ff-shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--ff-z-sticky);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.ff-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ff-space-4) var(--ff-space-6);
  max-width: 1280px;
  margin: 0 auto;
}

.ff-nav-brand {
  display: flex;
  align-items: center;
  gap: var(--ff-space-3);
  font-size: var(--ff-text-xl);
  font-weight: var(--ff-font-bold);
  color: var(--ff-gray-900);
  text-decoration: none;
}

.ff-nav-logo {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--ff-brand-primary), var(--ff-brand-secondary));
  border-radius: var(--ff-radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--ff-font-bold);
  font-size: var(--ff-text-sm);
}

.ff-nav-menu {
  display: flex;
  align-items: center;
  gap: var(--ff-space-8);
  list-style: none;
}

.ff-nav-link {
  font-size: var(--ff-text-sm);
  font-weight: var(--ff-font-medium);
  color: var(--ff-gray-600);
  text-decoration: none;
  padding: var(--ff-space-2) var(--ff-space-3);
  border-radius: var(--ff-radius-base);
  transition: all var(--ff-transition-base);
  position: relative;
}

.ff-nav-link:hover,
.ff-nav-link.active {
  color: var(--ff-brand-primary);
  background: var(--ff-gray-50);
}

.ff-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--ff-brand-primary);
  border-radius: 50%;
}

.ff-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--ff-space-3);
}

/* Navigation Dropdown Styles */
.ff-dropdown {
  position: relative;
}

.ff-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  border: 1px solid var(--ff-gray-200);
  border-radius: var(--ff-radius-base);
  box-shadow: var(--ff-shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--ff-transition-base);
  z-index: var(--ff-z-dropdown);
  padding: var(--ff-space-2) 0;
}

.ff-dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ff-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--ff-space-3);
  padding: var(--ff-space-3) var(--ff-space-4);
  color: var(--ff-gray-700);
  text-decoration: none;
  transition: all var(--ff-transition-base);
  font-size: var(--ff-text-sm);
  font-weight: var(--ff-font-medium);
}

.ff-dropdown-item:hover {
  background: var(--ff-gray-50);
  color: var(--ff-brand-primary);
}

.ff-dropdown-item.active {
  background: var(--ff-brand-primary);
  color: white;
}

.ff-dropdown-item i {
  width: 16px;
  text-align: center;
}

/* ==========================================================================
   Alert System - Professional Notifications
   ========================================================================== */

.ff-alert {
  padding: var(--ff-space-4);
  border-radius: var(--ff-radius-base);
  border: 1px solid;
  margin-bottom: var(--ff-space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--ff-space-3);
}

.ff-alert-success {
  background: var(--ff-success-light);
  border-color: var(--ff-success);
  color: #065f46;
}

.ff-alert-warning {
  background: var(--ff-warning-light);
  border-color: var(--ff-warning);
  color: #92400e;
}

.ff-alert-error {
  background: var(--ff-error-light);
  border-color: var(--ff-error);
  color: #991b1b;
}

.ff-alert-info {
  background: var(--ff-info-light);
  border-color: var(--ff-info);
  color: #1e40af;
}

.ff-alert-icon {
  flex-shrink: 0;
  font-size: var(--ff-text-lg);
}

.ff-alert-content {
  flex: 1;
}

.ff-alert-title {
  font-weight: var(--ff-font-semibold);
  margin-bottom: var(--ff-space-1);
}

.ff-alert-description {
  font-size: var(--ff-text-sm);
  opacity: 0.9;
}

/* ==========================================================================
   Badge System - Status Indicators
   ========================================================================== */

.ff-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--ff-space-1) var(--ff-space-3);
  border-radius: var(--ff-radius-base);
  font-size: var(--ff-text-xs);
  font-weight: var(--ff-font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1;
}

.ff-badge-primary {
  background: var(--ff-brand-primary);
  color: white;
}

.ff-badge-success {
  background: var(--ff-success);
  color: white;
}

.ff-badge-warning {
  background: var(--ff-warning);
  color: white;
}

.ff-badge-error {
  background: var(--ff-error);
  color: white;
}

.ff-badge-gray {
  background: var(--ff-gray-200);
  color: var(--ff-gray-700);
}

/* ==========================================================================
   Form System - Professional Input Design
   ========================================================================== */

.ff-form-group {
  margin-bottom: var(--ff-space-6);
}

.ff-label {
  display: block;
  font-size: var(--ff-text-sm);
  font-weight: var(--ff-font-medium);
  color: var(--ff-gray-700);
  margin-bottom: var(--ff-space-2);
}

.ff-input,
.ff-textarea,
.ff-select {
  width: 100%;
  padding: var(--ff-space-3) var(--ff-space-4);
  border: 1px solid var(--ff-gray-300);
  border-radius: var(--ff-radius-base);
  font-family: inherit;
  font-size: var(--ff-text-sm);
  line-height: 1.5;
  color: var(--ff-gray-900);
  background: white;
  transition: all var(--ff-transition-base);
}

.ff-input:focus,
.ff-textarea:focus,
.ff-select:focus {
  outline: none;
  border-color: var(--ff-brand-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.ff-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ==========================================================================
   Table System - Data Display
   ========================================================================== */

.ff-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--ff-radius-lg);
  overflow: hidden;
  box-shadow: var(--ff-shadow-sm);
  border: 1px solid var(--ff-gray-200);
}

.ff-table th {
  background: var(--ff-gray-50);
  padding: var(--ff-space-4) var(--ff-space-6);
  text-align: left;
  font-size: var(--ff-text-sm);
  font-weight: var(--ff-font-semibold);
  color: var(--ff-gray-700);
  border-bottom: 1px solid var(--ff-gray-200);
}

.ff-table td {
  padding: var(--ff-space-4) var(--ff-space-6);
  border-bottom: 1px solid var(--ff-gray-100);
  font-size: var(--ff-text-sm);
  color: var(--ff-gray-700);
}

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

.ff-table tr:hover {
  background: var(--ff-gray-50);
}

/* ==========================================================================
   Utility Classes - Spacing & Layout
   ========================================================================== */

/* Margin */
.ff-m-0 { margin: 0; }
.ff-m-1 { margin: var(--ff-space-1); }
.ff-m-2 { margin: var(--ff-space-2); }
.ff-m-3 { margin: var(--ff-space-3); }
.ff-m-4 { margin: var(--ff-space-4); }
.ff-m-6 { margin: var(--ff-space-6); }
.ff-m-8 { margin: var(--ff-space-8); }

.ff-mb-0 { margin-bottom: 0; }
.ff-mb-1 { margin-bottom: var(--ff-space-1); }
.ff-mb-2 { margin-bottom: var(--ff-space-2); }
.ff-mb-3 { margin-bottom: var(--ff-space-3); }
.ff-mb-4 { margin-bottom: var(--ff-space-4); }
.ff-mb-6 { margin-bottom: var(--ff-space-6); }
.ff-mb-8 { margin-bottom: var(--ff-space-8); }

.ff-mt-0 { margin-top: 0; }
.ff-mt-1 { margin-top: var(--ff-space-1); }
.ff-mt-2 { margin-top: var(--ff-space-2); }
.ff-mt-3 { margin-top: var(--ff-space-3); }
.ff-mt-4 { margin-top: var(--ff-space-4); }
.ff-mt-6 { margin-top: var(--ff-space-6); }
.ff-mt-8 { margin-top: var(--ff-space-8); }

/* Padding */
.ff-p-0 { padding: 0; }
.ff-p-1 { padding: var(--ff-space-1); }
.ff-p-2 { padding: var(--ff-space-2); }
.ff-p-3 { padding: var(--ff-space-3); }
.ff-p-4 { padding: var(--ff-space-4); }
.ff-p-6 { padding: var(--ff-space-6); }
.ff-p-8 { padding: var(--ff-space-8); }

/* Text Alignment */
.ff-text-left { text-align: left; }
.ff-text-center { text-align: center; }
.ff-text-right { text-align: right; }

/* Display */
.ff-hidden { display: none; }
.ff-block { display: block; }
.ff-inline { display: inline; }
.ff-inline-block { display: inline-block; }

/* Width */
.ff-w-full { width: 100%; }
.ff-w-auto { width: auto; }

/* Height */
.ff-h-full { height: 100%; }
.ff-h-auto { height: auto; }

/* Position */
.ff-relative { position: relative; }
.ff-absolute { position: absolute; }
.ff-fixed { position: fixed; }
.ff-sticky { position: sticky; }

/* ==========================================================================
   Responsive Design - Mobile First
   ========================================================================== */

@media (max-width: 768px) {
  .ff-container {
    padding: 0 var(--ff-space-4);
  }
  
  .ff-nav-menu {
    display: none;
  }
  
  .ff-grid {
    gap: var(--ff-space-4);
  }
  
  .ff-card-header,
  .ff-card-body,
  .ff-card-footer {
    padding: var(--ff-space-4);
  }
  
  .ff-stats-card {
    padding: var(--ff-space-4);
  }
  
  .ff-h1 {
    font-size: var(--ff-text-3xl);
  }
  
  .ff-h2 {
    font-size: var(--ff-text-2xl);
  }
}

/* ==========================================================================
   Animation & Transitions
   ========================================================================== */

@keyframes ff-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ff-fade-in {
  animation: ff-fade-in 0.3s ease-out;
}

@keyframes ff-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.ff-pulse {
  animation: ff-pulse 2s infinite;
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.ff-skeleton {
  background: linear-gradient(90deg, var(--ff-gray-200) 25%, var(--ff-gray-100) 50%, var(--ff-gray-200) 75%);
  background-size: 200% 100%;
  animation: ff-skeleton 1.5s infinite;
  border-radius: var(--ff-radius-base);
}

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

.ff-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--ff-gray-200);
  border-top: 2px solid var(--ff-brand-primary);
  border-radius: 50%;
  animation: ff-spin 1s linear infinite;
}

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

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .ff-nav,
  .ff-btn,
  .ff-nav-actions {
    display: none !important;
  }
  
  .ff-card {
    border: 1px solid #000;
    box-shadow: none;
    page-break-inside: avoid;
  }
  
  body {
    color: #000;
    background: white;
  }
}

/*
 * Fantasy Football AI Professional Design System
 * End of Stylesheet - Version 2.0.0
 * 
 * A complete, production-ready design system for sophisticated
 * AI-powered fantasy football automation applications.
 */