/* CSS Custom Properties for Color Palette */
:root {
  --color-primary: #D4AC0D;
  --color-secondary: #8D8741;
  --color-accent: #659DBD;
  --color-warm: #DAAD86;
  --color-light: #FBEEC1;
  --color-dark: #2c3e50;
  --color-success: #27ae60;
  --color-danger: #e74c3c;
  --color-warning: #f39c12;
  --color-info: #3498db;
  
  /* Dark mode colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --border-color: #dee2e6;
  
  /* Spacing and sizing */
  --border-radius: 0.75rem;
  --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  --transition: all 0.3s ease;
}

/* Dark mode variables */
[data-bs-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #adb5bd;
  --border-color: #495057;
}

/* Base styles */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: var(--transition);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom Bootstrap color classes */
.bg-primary-custom {
  background-color: var(--color-primary) !important;
}

.bg-secondary-custom {
  background-color: var(--color-secondary) !important;
}

.bg-accent {
  background-color: var(--color-accent) !important;
}

.bg-warm {
  background-color: var(--color-warm) !important;
}

.bg-light-custom {
  background-color: var(--color-light) !important;
}

.text-accent {
  color: var(--color-accent) !important;
}

.text-warm {
  color: var(--color-warm) !important;
}

.btn-accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
  transition: var(--transition);
}

.btn-accent:hover {
  background-color: #5a8ba3;
  border-color: #5a8ba3;
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-lg);
}

/* Navigation */
.navbar {
  backdrop-filter: blur(10px);
  box-shadow: var(--box-shadow);
}

.navbar-brand {
  font-size: 1.5rem;
  color: white !important;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-light) !important;
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23ffffff08" points="0,1000 1000,800 1000,1000"/></svg>');
  background-size: cover;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-image {
  position: relative;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-icon {
  font-size: 8rem;
  color: rgba(255, 255, 255, 0.3);
  animation: float 3s ease-in-out infinite;
}

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

/* Bento Grid Layout */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.bento-item {
  transition: var(--transition);
}

.bento-item:hover {
  transform: translateY(-5px);
}

.bento-large {
  grid-column: span 2;
}

.bento-medium {
  grid-column: span 1;
}

.bento-small {
  grid-column: span 1;
}

@media (max-width: 768px) {
  .bento-large,
  .bento-medium,
  .bento-small {
    grid-column: span 1;
  }
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
}

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

.card-header {
  border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
  border-bottom: 1px solid var(--border-color);
}

.card-body {
  padding: 1.5rem;
}

/* Form Controls */
.form-range {
  height: 0.5rem;
}

.form-range::-webkit-slider-thumb {
  background-color: var(--color-accent);
  border: 2px solid white;
  box-shadow: var(--box-shadow);
}

.form-range::-moz-range-thumb {
  background-color: var(--color-accent);
  border: 2px solid white;
  box-shadow: var(--box-shadow);
}

.form-control,
.form-select {
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 0.2rem rgba(101, 157, 189, 0.25);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

/* Buttons */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  transition: var(--transition);
  border: none;
}

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* Gradients */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)) !important;
}

.bg-gradient-success {
  background: linear-gradient(135deg, var(--color-success), #2ecc71) !important;
}

.bg-gradient-warning {
  background: linear-gradient(135deg, var(--color-warning), #e67e22) !important;
}

.bg-gradient-info {
  background: linear-gradient(135deg, var(--color-info), var(--color-accent)) !important;
}

/* Accordion */
.accordion {
  --bs-accordion-border-radius: var(--border-radius);
  --bs-accordion-border-color: var(--border-color);
  --bs-accordion-bg: var(--bg-primary);
  --bs-accordion-color: var(--text-primary);
}

.accordion-button {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.accordion-button:not(.collapsed) {
  background-color: var(--color-light);
  color: var(--text-primary);
  border-color: var(--color-accent);
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(101, 157, 189, 0.25);
}

/* Modal */
.modal-content {
  border-radius: var(--border-radius);
  border: none;
  box-shadow: var(--box-shadow-lg);
  background-color: var(--bg-primary);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.modal-title {
  color: inherit;
}

/* Offcanvas */
.offcanvas {
  background-color: var(--bg-primary);
  border-left: 1px solid var(--border-color);
}

.offcanvas-header {
  border-bottom: 1px solid var(--border-color);
}

.offcanvas-title {
  color: inherit;
}

/* Charts */
canvas {
  max-width: 100%;
  height: auto;
}

/* Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

.pulse {
  animation: pulse 2s infinite;
}

/* Loading states */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Dark mode specific styles */
[data-bs-theme="dark"] .bg-light-custom {
  background-color: var(--bg-secondary) !important;
}

[data-bs-theme="dark"] .hero-section {
  background: linear-gradient(135deg, #b8941a, #7a7437);
}

[data-bs-theme="dark"] .text-muted {
  color: var(--text-secondary) !important;
}

/* Accessibility improvements */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Focus indicators */
.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* Print styles */
@media print {
  .navbar,
  .btn,
  .offcanvas,
  .modal,
  .admob-banner {
    display: none !important;
  }
  
  .container {
    max-width: none !important;
  }
  
  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #000000;
    --color-secondary: #333333;
    --color-accent: #0066cc;
    --border-color: #000000;
  }
  
  .card {
    border: 2px solid var(--border-color);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .floating-icon {
    animation: none;
  }
}

/* Mobile-first responsive design */
@media (max-width: 576px) {
  .hero-section {
    padding: 2rem 0;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .display-5 {
    font-size: 1.75rem;
  }
  
  .bento-grid {
    gap: 1rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .hero-section .row {
    text-align: center;
  }
  
  .hero-image {
    height: 200px;
    margin-top: 2rem;
  }
  
  .floating-icon {
    font-size: 4rem;
  }
}

/* Tablet styles */
@media (min-width: 768px) and (max-width: 992px) {
  .bento-large {
    grid-column: span 2;
  }
  
  .bento-medium {
    grid-column: span 1;
  }
}

/* Desktop styles */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
  
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .bento-large {
    grid-column: span 2;
  }
}

/* Extra large screens */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

/* AdMob and AdSense styles */
.admob-banner,
.adsense-banner {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius);
  margin: 1rem 0;
}

/* Utility classes */
.text-shadow {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.border-radius-lg {
  border-radius: 1rem !important;
}

.border-radius-xl {
  border-radius: 1.5rem !important;
}

.shadow-custom {
  box-shadow: var(--box-shadow-lg) !important;
}

.min-vh-50 {
  min-height: 50vh;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #5a8ba3;
}

/* Loading spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Success and error states */
.is-valid {
  border-color: var(--color-success) !important;
}

.is-invalid {
  border-color: var(--color-danger) !important;
}

.valid-feedback {
  color: var(--color-success);
}

.invalid-feedback {
  color: var(--color-danger);
}

/* Tooltip customization */
.tooltip {
  font-size: 0.875rem;
}

.tooltip-inner {
  background-color: var(--color-dark);
  border-radius: var(--border-radius);
}

/* Badge styles */
.badge {
  border-radius: var(--border-radius);
}

.badge-accent {
  background-color: var(--color-accent);
}

/* Progress bar */
.progress {
  border-radius: var(--border-radius);
  background-color: var(--bg-secondary);
}

.progress-bar {
  background-color: var(--color-accent);
}

/* Table styles */
.table {
  color: var(--text-primary);
}

.table-striped > tbody > tr:nth-of-type(odd) > td,
.table-striped > tbody > tr:nth-of-type(odd) > th {
  background-color: var(--bg-secondary);
}

/* List group */
.list-group-item {
  background-color: var(--bg-primary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.list-group-item:hover {
  background-color: var(--bg-secondary);
}

/* Alert styles */
.alert {
  border-radius: var(--border-radius);
  border: none;
}

.alert-success {
  background-color: rgba(39, 174, 96, 0.1);
  color: var(--color-success);
  border-left: 4px solid var(--color-success);
}

.alert-danger {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--color-danger);
  border-left: 4px solid var(--color-danger);
}

.alert-warning {
  background-color: rgba(243, 156, 18, 0.1);
  color: var(--color-warning);
  border-left: 4px solid var(--color-warning);
}

.alert-info {
  background-color: rgba(52, 152, 219, 0.1);
  color: var(--color-info);
  border-left: 4px solid var(--color-info);
}