/* ========================================
   TRADERS HELMET ACADEMY - CORE CSS FRAMEWORK
   ======================================== */

/* CSS Variables - Design System */
:root {
  /* Primary Colors */
  --primary-deep-blue: #1e3c72;
  --primary-blue: #2a5298;
  --primary-cream: #f7f3e9;
  --secondary-cream: #e8dcc6;
  
  /* Tier Colors */
  --gold-primary: #ffd700;
  --gold-secondary: #ffed4a;
  --platinum-primary: #e5e4e2;
  --platinum-secondary: #c0c0c0;
  --diamond-primary: #b9f2ff;
  --diamond-secondary: #4facfe;
  --admin-primary: #ff6b6b;
  --admin-secondary: #ff5252;
  
  /* Neutral Colors */
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --black: #000000;
  
  /* Status Colors */
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --info: #17a2b8;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-deep-blue) 0%, var(--primary-blue) 100%);
  --gradient-cream: linear-gradient(135deg, var(--primary-cream) 0%, var(--secondary-cream) 100%);
  --gradient-gold: linear-gradient(135deg, var(--gold-primary) 0%, var(--gold-secondary) 100%);
  --gradient-platinum: linear-gradient(135deg, var(--platinum-primary) 0%, var(--platinum-secondary) 100%);
  --gradient-diamond: linear-gradient(135deg, var(--diamond-primary) 0%, var(--diamond-secondary) 100%);
  --gradient-admin: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
  
  /* Typography */
  --font-family-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-family-secondary: 'Arial', sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* 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: 1.25rem;
  --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), 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);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

/* Typography */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Color Classes */
.text-primary { color: var(--primary-blue); }
.text-cream { color: var(--primary-cream); }
.text-gold { color: var(--gold-primary); }
.text-platinum { color: var(--platinum-primary); }
.text-diamond { color: var(--diamond-primary); }
.text-admin { color: var(--admin-primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-white { color: var(--white); }
.text-gray { color: var(--gray); }
.text-dark { color: var(--dark-gray); }

/* Background Classes */
.bg-primary { background: var(--gradient-primary); }
.bg-cream { background: var(--gradient-cream); }
.bg-gold { background: var(--gradient-gold); }
.bg-platinum { background: var(--gradient-platinum); }
.bg-diamond { background: var(--gradient-diamond); }
.bg-admin { background: var(--gradient-admin); }
.bg-white { background-color: var(--white); }
.bg-light { background-color: var(--light-gray); }
.bg-transparent { background-color: transparent; }

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-width: 120px;
}

.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 var(--transition-slow);
}

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

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

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Button Variants */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
}

.btn-secondary {
  background: var(--gradient-cream);
  color: var(--primary-deep-blue);
}

.btn-gold {
  background: var(--gradient-gold);
  color: var(--dark-gray);
}

.btn-platinum {
  background: var(--gradient-platinum);
  color: var(--dark-gray);
}

.btn-diamond {
  background: var(--gradient-diamond);
  color: var(--dark-gray);
}

.btn-admin {
  background: var(--gradient-admin);
  color: var(--white);
}

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

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

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  min-width: 80px;
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  min-width: 160px;
}

/* Form Components */
.form-group {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

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

.form-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  background: var(--white);
  color: var(--dark-gray);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.1);
  transform: translateY(-2px);
}

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

.form-input.error {
  border-color: var(--danger);
}

.form-input.success {
  border-color: var(--success);
}

/* Card Components */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.card-header {
  padding: var(--spacing-xl);
  background: var(--light-gray);
  border-bottom: 1px solid #e0e0e0;
}

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

.card-footer {
  padding: var(--spacing-xl);
  background: var(--light-gray);
  border-top: 1px solid #e0e0e0;
}

/* Modal Components */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

/* Notification Components */
.notification {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: slideInRight 0.3s ease-out;
}

.notification.success {
  background: rgba(40, 167, 69, 0.1);
  border-left: 4px solid var(--success);
  color: var(--success);
}

.notification.warning {
  background: rgba(255, 193, 7, 0.1);
  border-left: 4px solid var(--warning);
  color: #856404;
}

.notification.error {
  background: rgba(220, 53, 69, 0.1);
  border-left: 4px solid var(--danger);
  color: var(--danger);
}

.notification.info {
  background: rgba(23, 162, 184, 0.1);
  border-left: 4px solid var(--info);
  color: var(--info);
}

/* Loading Components */
.loader {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

.loader-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

/* Badge Components */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-gold {
  background: var(--gradient-gold);
  color: var(--dark-gray);
}

.badge-platinum {
  background: var(--gradient-platinum);
  color: var(--dark-gray);
}

.badge-diamond {
  background: var(--gradient-diamond);
  color: var(--dark-gray);
}

.badge-admin {
  background: var(--gradient-admin);
  color: var(--white);
}

/* Utility Classes */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }

.flex-column { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.justify-around { justify-content: space-around !important; }

.align-start { align-items: flex-start !important; }
.align-center { align-items: center !important; }
.align-end { align-items: flex-end !important; }
.align-stretch { align-items: stretch !important; }

.gap-1 { gap: var(--spacing-xs) !important; }
.gap-2 { gap: var(--spacing-sm) !important; }
.gap-3 { gap: var(--spacing-md) !important; }
.gap-4 { gap: var(--spacing-lg) !important; }
.gap-5 { gap: var(--spacing-xl) !important; }

/* Margin and Padding */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--spacing-xs) !important; }
.m-2 { margin: var(--spacing-sm) !important; }
.m-3 { margin: var(--spacing-md) !important; }
.m-4 { margin: var(--spacing-lg) !important; }
.m-5 { margin: var(--spacing-xl) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-xs) !important; }
.p-2 { padding: var(--spacing-sm) !important; }
.p-3 { padding: var(--spacing-md) !important; }
.p-4 { padding: var(--spacing-lg) !important; }
.p-5 { padding: var(--spacing-xl) !important; }

/* Position utilities */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@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 slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

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

/* Animation Classes */
.animate-fadeIn { animation: fadeIn 0.5s ease-out; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease-out; }
.animate-fadeInDown { animation: fadeInDown 0.5s ease-out; }
.animate-pulse { animation: pulse 2s infinite; }

/* Responsive Design */
@media (max-width: 1200px) {
  .container-xl { max-width: 1140px; }
}

@media (max-width: 992px) {
  .container-lg { max-width: 960px; }
  
  .d-lg-none { display: none !important; }
  .d-lg-block { display: block !important; }
  .d-lg-flex { display: flex !important; }
}

@media (max-width: 768px) {
  .container-md { max-width: 720px; }
  
  .d-md-none { display: none !important; }
  .d-md-block { display: block !important; }
  .d-md-flex { display: flex !important; }
  
  .text-md-center { text-align: center !important; }
  .text-md-left { text-align: left !important; }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 576px) {
  .container-sm { max-width: 540px; }
  
  .d-sm-none { display: none !important; }
  .d-sm-block { display: block !important; }
  .d-sm-flex { display: flex !important; }
  
  .flex-sm-column { flex-direction: column !important; }
  
  html { font-size: 14px; }
  
  .card-body,
  .card-header,
  .card-footer {
    padding: var(--spacing-md);
  }
}

/* Container Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

/* Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(-1 * var(--spacing-md));
}

.col {
  flex: 1;
  padding: 0 var(--spacing-md);
}

.col-auto {
  flex: 0 0 auto;
  width: auto;
  padding: 0 var(--spacing-md);
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Floating Background Elements */
.floating-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.floating-element {
  position: absolute;
  background: rgba(247, 243, 233, 0.05);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}