/* ==========================================================================
   EmpréstimoFácil - Custom Styles
   Color Palette: #05386B, #379683, #5CDB95, #8EE4AF, #EDF5E1
   ========================================================================== */

/* CSS Variables */
:root {
  --primary-dark: #05386B;
  --primary-medium: #379683;
  --primary-light: #5CDB95;
  --accent-light: #8EE4AF;
  --background-light: #EDF5E1;
  
  --gradient-primary: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--primary-medium) 0%, var(--primary-light) 100%);
  --gradient-accent: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-light) 100%);
  
  --shadow-light: 0 2px 4px rgba(5, 56, 107, 0.1);
  --shadow-medium: 0 4px 8px rgba(5, 56, 107, 0.15);
  --shadow-heavy: 0 8px 16px rgba(5, 56, 107, 0.2);
  
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

/* Dark Mode Variables */
[data-bs-theme="dark"] {
  --background-light: #1a1a1a;
  --bs-body-bg: #121212;
  --bs-body-color: #e0e0e0;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--primary-dark);
}

[data-bs-theme="dark"] h1,
[data-bs-theme="dark"] h2,
[data-bs-theme="dark"] h3,
[data-bs-theme="dark"] h4,
[data-bs-theme="dark"] h5,
[data-bs-theme="dark"] h6 {
  color: var(--accent-light);
}

/* Header Styles */
.header-gradient {
  background: var(--gradient-primary);
  border-bottom: 3px solid var(--primary-light);
}

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

/* Footer Styles */
.footer-gradient {
  background: var(--gradient-primary);
  border-top: 3px solid var(--primary-light);
}

.social-links a {
  font-size: 1.2rem;
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--accent-light) !important;
  transform: translateY(-2px);
}

/* Gradient Backgrounds */
.gradient-bg {
  background: var(--gradient-primary);
}

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

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

/* Card Styles */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  overflow: hidden;
}

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

.card-header {
  background: var(--gradient-secondary);
  color: white;
  border-bottom: none;
  font-weight: 600;
}

/* Form Styles */
.form-control,
.form-select {
  border-radius: 8px;
  border: 2px solid #e0e0e0;
  transition: var(--transition);
}

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

.form-label {
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
}

[data-bs-theme="dark"] .form-label {
  color: var(--accent-light);
}

/* Button Styles */
.btn {
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  border: none;
}

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

.btn-success {
  background: var(--gradient-accent);
  border: none;
  color: var(--primary-dark);
}

.btn-success:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.btn-outline-primary {
  border-color: var(--primary-medium);
  color: var(--primary-medium);
}

.btn-outline-primary:hover {
  background: var(--primary-medium);
  border-color: var(--primary-medium);
}

/* Hero Section */
.hero-section {
  padding: 3rem 0;
  background: linear-gradient(135deg, rgba(237, 245, 225, 0.8) 0%, rgba(140, 228, 175, 0.1) 100%);
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
}

[data-bs-theme="dark"] .hero-section {
  background: linear-gradient(135deg, rgba(5, 56, 107, 0.2) 0%, rgba(55, 150, 131, 0.1) 100%);
}

/* Badge Styles */
.badge {
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
}

/* Table Styles */
.table {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

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

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(140, 228, 175, 0.1);
}

.table-hover tbody tr:hover {
  background-color: rgba(55, 150, 131, 0.1);
}

/* Alert Styles */
.alert {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.alert-success {
  background: linear-gradient(135deg, rgba(92, 219, 149, 0.2) 0%, rgba(140, 228, 175, 0.1) 100%);
  border-left: 4px solid var(--primary-light);
}

.alert-danger {
  background: linear-gradient(135deg, rgba(220, 53, 69, 0.2) 0%, rgba(248, 215, 218, 0.1) 100%);
  border-left: 4px solid #dc3545;
}

.alert-warning {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.2) 0%, rgba(255, 243, 205, 0.1) 100%);
  border-left: 4px solid #ffc107;
}

/* Modal Styles */
.modal-content {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-heavy);
}

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

.modal-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* Offcanvas Styles */
.offcanvas-header {
  border-bottom: none;
}

.offcanvas-body {
  padding-top: 0;
}

.nav-pills .nav-link {
  border-radius: 8px;
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.nav-pills .nav-link:hover {
  background-color: rgba(55, 150, 131, 0.1);
}

.nav-pills .nav-link.active {
  background: var(--gradient-primary);
}

/* Proposal Form Styles */
.proposal-form {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  position: relative;
}

[data-bs-theme="dark"] .proposal-form {
  background: #2d2d2d;
}

.proposal-form:hover {
  box-shadow: var(--shadow-medium);
}

.proposal-header {
  background: var(--gradient-secondary);
  color: white;
  padding: 1rem;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  display: flex;
  justify-content: between;
  align-items: center;
}

.proposal-number {
  font-size: 1.2rem;
  font-weight: 700;
}

.remove-proposal {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.remove-proposal:hover {
  background: rgba(220, 53, 69, 0.8);
  transform: scale(1.1);
}

/* Best Offer Highlight */
.best-offer {
  border: 3px solid var(--primary-light) !important;
  box-shadow: 0 0 20px rgba(92, 219, 149, 0.3) !important;
  position: relative;
}

.best-offer::before {
  content: "MELHOR OFERTA";
  position: absolute;
  top: -10px;
  right: 15px;
  background: var(--gradient-accent);
  color: var(--primary-dark);
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 700;
  z-index: 10;
}

/* Chart Container */
.chart-container {
  position: relative;
  height: 300px;
  margin: 1rem 0;
}

/* Loading Spinner */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(55, 150, 131, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-medium);
  animation: spin 1s ease-in-out infinite;
}

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

/* Ad Banner Styles */
.ad-banner {
  background: linear-gradient(135deg, rgba(237, 245, 225, 0.5) 0%, rgba(140, 228, 175, 0.2) 100%);
  border-radius: var(--border-radius);
  padding: 1rem;
  text-align: center;
  border: 2px dashed rgba(55, 150, 131, 0.3);
}

/* Value Hidden State */
.value-hidden {
  filter: blur(4px);
  transition: filter 0.3s ease;
}

.value-hidden:hover {
  filter: blur(0);
}

/* Accordion Styles */
.accordion-item {
  border: none;
  margin-bottom: 0.5rem;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

.accordion-button {
  background: var(--gradient-secondary);
  color: white;
  border: none;
  font-weight: 600;
}

.accordion-button:not(.collapsed) {
  background: var(--gradient-primary);
  color: white;
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border: none;
}

.accordion-button::after {
  filter: brightness(0) invert(1);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 0;
  }
  
  .display-5 {
    font-size: 2rem;
  }
  
  .proposal-form {
    margin-bottom: 1.5rem;
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-group .btn {
    border-radius: 8px !important;
    margin-bottom: 0.5rem;
  }
  
  .table-responsive {
    font-size: 0.9rem;
  }
  
  .modal-dialog {
    margin: 0.5rem;
  }
  
  .offcanvas {
    width: 280px;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero-section {
    padding: 1.5rem 0;
    margin: 0 -1rem 2rem;
    border-radius: 0;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .proposal-header {
    padding: 0.75rem;
  }
  
  .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
  }
}

/* Print Styles */
@media print {
  .header-gradient,
  .footer-gradient,
  .offcanvas,
  .modal,
  .ad-banner,
  .btn,
  .alert {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
  
  .table {
    box-shadow: none !important;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

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

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Utility Classes */
.text-primary-custom {
  color: var(--primary-dark) !important;
}

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

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

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

.border-primary-custom {
  border-color: var(--primary-medium) !important;
}

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

/* Focus Styles for Accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --primary-dark: #000000;
    --primary-medium: #333333;
    --primary-light: #666666;
  }
  
  .card,
  .table,
  .alert {
    border: 2px solid #000000;
  }
}

/* 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;
  }
}