/* ===== CSS VARIABLES ===== */
:root {
  --primary-color: #05386B;
  --secondary-color: #379683;
  --accent-color: #5CDB95;
  --light-accent: #8EE4AF;
  --background-light: #EDF5E1;
  
  --gradient-primary: linear-gradient(135deg, #05386B 0%, #379683 100%);
  --gradient-secondary: linear-gradient(135deg, #379683 0%, #5CDB95 100%);
  --gradient-accent: linear-gradient(135deg, #5CDB95 0%, #8EE4AF 100%);
  --gradient-success: linear-gradient(135deg, #28a745 0%, #5CDB95 100%);
  --gradient-warning: linear-gradient(135deg, #ffc107 0%, #ff8c00 100%);
  --gradient-danger: linear-gradient(135deg, #dc3545 0%, #ff6b6b 100%);
  --gradient-info: linear-gradient(135deg, #17a2b8 0%, #379683 100%);
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

/* ===== DARK MODE VARIABLES ===== */
[data-theme="dark"] {
  --bs-body-bg: #1a1a1a;
  --bs-body-color: #ffffff;
  --bs-card-bg: #2d2d2d;
  --bs-border-color: #404040;
}

/* ===== BASE STYLES ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, var(--background-light) 0%, #ffffff 100%);
  min-height: 100vh;
  transition: var(--transition);
}

[data-theme="dark"] body {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: #ffffff;
}

/* ===== TYPOGRAPHY ===== */
.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

[data-theme="dark"] .page-title {
  color: var(--accent-color);
}

.section-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

/* ===== LAYOUT ===== */
.main-content {
  margin-top: 76px;
  padding: 2rem 0;
  min-height: calc(100vh - 76px);
}

.content-section {
  display: none;
}

.content-section.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}

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

/* ===== NAVIGATION ===== */
.navbar {
  background: var(--gradient-primary) !important;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
}

/* ===== GRADIENTS ===== */
.bg-primary-gradient {
  background: var(--gradient-primary) !important;
}

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

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

.bg-success-gradient {
  background: var(--gradient-success) !important;
}

.bg-warning-gradient {
  background: var(--gradient-warning) !important;
}

.bg-danger-gradient {
  background: var(--gradient-danger) !important;
}

.bg-info-gradient {
  background: var(--gradient-info) !important;
}

/* ===== CARDS ===== */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}

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

[data-theme="dark"] .card {
  background-color: var(--bs-card-bg);
  border: 1px solid var(--bs-border-color);
}

.card-header {
  border-bottom: none;
  font-weight: 600;
  padding: 1.25rem;
}

.stat-card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.stat-card .card-body {
  padding: 1.5rem;
}

.stat-card h3 {
  font-size: 2rem;
  font-weight: 700;
}

/* ===== BUTTONS ===== */
.btn {
  border-radius: 8px;
  font-weight: 500;
  padding: 0.5rem 1.5rem;
  transition: var(--transition);
  border: none;
}

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

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

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

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

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

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

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

/* ===== FORMS ===== */
.form-control,
.form-select {
  border-radius: 8px;
  border: 2px solid #e9ecef;
  padding: 0.75rem;
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(55, 150, 131, 0.25);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: #3d3d3d;
  border-color: var(--bs-border-color);
  color: #ffffff;
}

/* ===== TABLES ===== */
.table {
  border-radius: var(--border-radius);
  overflow: hidden;
}

.table th {
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
  border: none;
}

.table td {
  vertical-align: middle;
  border-color: #e9ecef;
}

.table-hover tbody tr:hover {
  background-color: rgba(92, 219, 149, 0.1);
}

[data-theme="dark"] .table {
  color: #ffffff;
}

[data-theme="dark"] .table td {
  border-color: var(--bs-border-color);
}

[data-theme="dark"] .table-hover tbody tr:hover {
  background-color: rgba(92, 219, 149, 0.2);
}

/* ===== MODALS ===== */
.modal-content {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .modal-content {
  background-color: var(--bs-card-bg);
  color: #ffffff;
}

.modal-header {
  border-bottom: none;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-footer {
  border-top: none;
}

/* ===== OFFCANVAS ===== */
.offcanvas {
  border: none;
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .offcanvas {
  background-color: var(--bs-card-bg);
  color: #ffffff;
}

.list-group-item {
  border: none;
  border-radius: 8px !important;
  margin-bottom: 0.25rem;
  transition: var(--transition);
}

.list-group-item:hover {
  background-color: rgba(92, 219, 149, 0.1);
  transform: translateX(5px);
}

.list-group-item.active {
  background: var(--gradient-primary);
  border-color: transparent;
}

[data-theme="dark"] .list-group-item {
  background-color: transparent;
  color: #ffffff;
}

[data-theme="dark"] .list-group-item:hover {
  background-color: rgba(92, 219, 149, 0.2);
}

/* ===== BADGES ===== */
.badge {
  border-radius: 20px;
  font-weight: 500;
  padding: 0.5rem 1rem;
}

.badge-status-active {
  background: var(--gradient-success);
}

.badge-status-overdue {
  background: var(--gradient-danger);
}

.badge-status-negotiating {
  background: var(--gradient-warning);
}

.badge-type-credit-card {
  background: var(--gradient-info);
}

.badge-type-loan {
  background: var(--gradient-secondary);
}

.badge-type-financing {
  background: var(--gradient-accent);
}

/* ===== CHARTS ===== */
.chart-container {
  position: relative;
  height: 400px;
  margin: 2rem 0;
}

#impactChart {
  max-height: 400px;
}

/* ===== ALERTS ===== */
.alert {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.alert-critical {
  background: linear-gradient(135deg, rgba(220, 53, 69, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
  border-left: 4px solid #dc3545;
}

.alert-warning {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 140, 0, 0.1) 100%);
  border-left: 4px solid #ffc107;
}

.alert-success {
  background: linear-gradient(135deg, rgba(40, 167, 69, 0.1) 0%, rgba(92, 219, 149, 0.1) 100%);
  border-left: 4px solid #28a745;
}

/* ===== PROGRESS BARS ===== */
.progress {
  height: 10px;
  border-radius: 20px;
  background-color: #e9ecef;
}

.progress-bar {
  border-radius: 20px;
  background: var(--gradient-success);
  transition: var(--transition);
}

/* ===== TOASTS ===== */
.toast {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .toast {
  background-color: var(--bs-card-bg);
  color: #ffffff;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--gradient-primary) !important;
  margin-top: auto;
}

.footer a {
  color: var(--accent-color);
  transition: var(--transition);
}

.footer a:hover {
  color: var(--light-accent);
  text-decoration: underline !important;
}

/* ===== PRIVACY MODE ===== */
.privacy-mode .sensitive-data {
  filter: blur(8px);
  transition: var(--transition);
}

.privacy-mode .sensitive-data:hover {
  filter: blur(0);
}

/* ===== AD CONTAINERS ===== */
.ad-container {
  margin: 2rem 0;
  padding: 1rem;
  background: rgba(92, 219, 149, 0.05);
  border-radius: var(--border-radius);
  text-align: center;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-placeholder {
  color: #999;
  font-style: italic;
}

/* ===== LOADING STATES ===== */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--border-radius);
  z-index: 10;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--secondary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  z-index: 11;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .main-content {
    padding: 1rem 0;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .stat-card h3 {
    font-size: 1.5rem;
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
  
  .table-responsive {
    font-size: 0.875rem;
  }
  
  .modal-dialog {
    margin: 0.5rem;
  }
}

@media (max-width: 576px) {
  .page-title {
    font-size: 1.75rem;
  }
  
  .stat-card {
    margin-bottom: 1rem;
  }
  
  .btn-group-vertical .btn {
    margin-bottom: 0.5rem;
  }
  
  .card-header {
    padding: 1rem;
  }
  
  .modal-body {
    padding: 1rem;
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* Focus styles for better accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* ===== UTILITY CLASSES ===== */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.border-gradient {
  border: 2px solid;
  border-image: var(--gradient-primary) 1;
}

.hover-lift {
  transition: var(--transition);
}

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

/* ===== ANIMATIONS ===== */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 100%, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translate3d(100%, 0, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.animate-slide-up {
  animation: slideInUp 0.5s ease-out;
}

.animate-slide-right {
  animation: slideInRight 0.5s ease-out;
}

/* ===== COMPARISON CARDS ===== */
.comparison-card {
  border: 2px solid transparent;
  transition: var(--transition);
}

.comparison-card.before {
  border-color: #dc3545;
}

.comparison-card.after {
  border-color: #28a745;
}

.comparison-card:hover {
  transform: scale(1.02);
}

/* ===== DEBT STATUS INDICATORS ===== */
.debt-status {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
}

.debt-status.active {
  background-color: #28a745;
}

.debt-status.overdue {
  background-color: #dc3545;
}

.debt-status.negotiating {
  background-color: #ffc107;
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .offcanvas,
  .modal,
  .toast-container,
  .ad-container {
    display: none !important;
  }
  
  .main-content {
    margin-top: 0;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  .btn {
    display: none;
  }
}