/* CSS Variables for Theme Management */
:root {
  --primary-color: #2196F3;
  --success-color: #4CAF50;
  --warning-color: #FFC107;
  --danger-color: #F44336;
  --purple-color: #9C27B0;
  
  --bg-color: #ffffff;
  --surface-color: #f8f9fa;
  --text-color: #212529;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  
  --font-family-base: 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.5;
  --border-radius: 0.375rem;
  --transition: all 0.15s ease-in-out;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-color: #121212;
  --surface-color: #1e1e1e;
  --text-color: #ffffff;
  --text-muted: #adb5bd;
  --border-color: #495057;
  --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-color);
  background-color: var(--bg-color);
  transition: var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.display-4 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--text-muted);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

.section-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--purple-color) 100%);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 3rem;
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--purple-color) 100%);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.navbar-brand {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700;
  white-space: nowrap;
  max-width: calc(100% - 56px);
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-logo {
  height: 28px;
  width: auto;
  display: inline-block;
  vertical-align: middle;
}

.navbar-nav .nav-link {
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* Theme Toggle */
#themeToggle {
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition);
}
/* Mostrar hambúrguer sempre e alinhado à direita */
.navbar-toggler {
  display: block;
  margin-left: auto;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  padding: 0.35rem 0.5rem;
  background: rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}

.navbar-toggler:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
}

.navbar-toggler:focus {
  outline: 3px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

.navbar-toggler .navbar-toggler-icon {
  width: 1.5rem;
  height: 1.5rem;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.3));
}


#themeToggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--surface-color) 0%, rgba(33, 150, 243, 0.05) 100%);
  padding: 3rem 0;
}

.hero-graphic {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

/* Buttons */
.btn {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius);
  transition: var(--transition);
  border: none;
  padding: 0.75rem 1.5rem;
}

.btn[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--purple-color) 100%);
  box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}

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

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

/* Calculator Section */
.calculator-section {
  padding: 4rem 0;
}

.calculator-card {
  background: var(--surface-color);
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.calculator-card .card-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--purple-color) 100%);
  color: white;
  padding: 1.5rem;
  border: none;
}

.calculator-card .card-body {
  padding: 2rem;
}

/* Form Styles */
.form-label {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.form-control, .form-select {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--bg-color);
  color: var(--text-color);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
  background-color: var(--bg-color);
  color: var(--text-color);
}

.form-control.is-invalid {
  border-color: var(--danger-color);
}

.invalid-feedback {
  display: block;
  color: var(--danger-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Results Section */
.results-section {
  background: var(--surface-color);
  padding: 4rem 0;
}

.result-card {
  background: var(--bg-color);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.result-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.result-card.primary {
  border-left: 5px solid var(--primary-color);
}

.result-card.success {
  border-left: 5px solid var(--success-color);
}

.result-card.warning {
  border-left: 5px solid var(--warning-color);
}

.result-card.danger {
  border-left: 5px solid var(--danger-color);
}

.result-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
}

.result-card.primary .result-icon {
  background: var(--primary-color);
}

.result-card.success .result-icon {
  background: var(--success-color);
}

.result-card.warning .result-icon {
  background: var(--warning-color);
}

.result-card.danger .result-icon {
  background: var(--danger-color);
}

.result-content {
  flex: 1;
}

.result-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.result-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.result-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Chart Cards */
.chart-card {
  background: var(--bg-color);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  overflow: hidden;
  height: 400px;
}

.chart-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-color);
}

.chart-header h4 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.chart-container {
  padding: 1rem;
  height: calc(100% - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-container canvas {
  max-width: 100%;
  max-height: 100%;
}

/* Insights Card */
.insights-card {
  background: var(--bg-color);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.insights-header {
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--success-color) 0%, var(--primary-color) 100%);
  color: white;
}

.insights-header h4 {
  margin: 0;
  font-weight: 600;
}

.insights-content {
  padding: 2rem;
}

/* Insight actions list */
.insight-actions {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
}

.insight-actions li {
  margin: 0.25rem 0;
}

.insight-item {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
  background: var(--surface-color);
}

.insight-item:last-child {
  margin-bottom: 0;
}

.insight-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.insight-description {
  color: var(--text-muted);
  margin: 0;
}

/* Features Section */
.features-section {
  padding: 4rem 0;
}

.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: 1rem;
  background: var(--bg-color);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--purple-color) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
  box-shadow: 0 8px 20px rgba(33, 150, 243, 0.25);
}

.feature-card h5 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.feature-card p {
  color: var(--text-muted);
  margin: 0;
}

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

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

.offcanvas-title {
  font-weight: 600;
  color: var(--text-color);
}

.tips-container {
  padding: 1rem 0;
}

.tip-category {
  margin-bottom: 2rem;
}

.tip-category h6 {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

.tip-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tip-list li {
  padding: 0.5rem 0;
  color: var(--text-color);
  border-bottom: 1px solid var(--border-color);
}

.tip-list li:last-child {
  border-bottom: none;
}

.tip-list li:before {
  content: "✓";
  color: var(--success-color);
  font-weight: bold;
  margin-right: 0.5rem;
}

.benchmark-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

.benchmark-list {
  margin-top: 1rem;
}

.benchmark-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.benchmark-sector {
  font-weight: 500;
  color: var(--text-color);
}

.benchmark-rate {
  font-weight: 600;
  color: var(--primary-color);
  background: rgba(33, 150, 243, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
}

/* Modal Styles */
.modal-content {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
}

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

.modal-title {
  font-weight: 600;
  color: var(--text-color);
}

.glossary-content {
  padding: 1rem 0;
}

.glossary-item {
  margin-bottom: 2rem;
}

.glossary-item:last-child {
  margin-bottom: 0;
}

.glossary-item h6 {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.glossary-item p {
  color: var(--text-color);
  margin: 0;
  line-height: 1.6;
}

/* Footer */
.footer {
  background: var(--surface-color);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  box-shadow: inset 0 8px 24px rgba(0, 0, 0, 0.03);
}

.footer h5, .footer h6 {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 1rem;
}

.footer p {
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Melhorias de layout para os links do footer */
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  
}

.footer .footer-links a {
  padding: 0.25rem 0;
}

/* Gap visual também para o link do site no rodapé inferior */
.footer .site-link {
  margin-left: 0.5rem;
  padding: 0.125rem 0.25rem;
}

.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Ad Banners */
.ad-banner {
  text-align: center;
  padding: 2rem;
  background: var(--surface-color);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  margin: 2rem 0;
}

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

.tooltip-inner {
  background: var(--text-color);
  color: var(--bg-color);
  border-radius: var(--border-radius);
  padding: 0.5rem 0.75rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 0;
    text-align: center;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .calculator-card .card-body {
    padding: 1.5rem;
  }
  
  .result-card {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .result-value {
    font-size: 1.5rem;
  }
  
  .chart-card {
    height: 300px;
  }
  
  .feature-card {
    padding: 1.5rem;
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: 1.5rem 0;
  }
  
  .display-4 {
    font-size: 1.75rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
  }
  
  .calculator-card .card-body {
    padding: 1rem;
  }
  
  .result-card {
    padding: 1.5rem;
  }
  
  .chart-card {
    height: 250px;
  }
  
  .insights-content {
    padding: 1.5rem;
  }
  
  .footer {
    padding: 2rem 0 1.5rem;
  }
}

/* Print Styles */
@media print {
  .header, .footer, .offcanvas, .modal, .ad-banner {
    display: none !important;
  }
  
  .main-content {
    margin: 0;
    padding: 0;
  }
  
  .result-card, .chart-card, .insights-card {
    box-shadow: none;
    border: 1px solid #000;
    break-inside: avoid;
  }
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --shadow: 0 0 0 1px #000;
    --shadow-lg: 0 0 0 2px #000;
  }
  
  .btn {
    border: 2px solid currentColor;
  }
  
  .form-control, .form-select {
    border: 2px solid currentColor;
  }
}

/* Focus Styles for Accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

/* Status Colors */
.status-excellent {
  color: var(--success-color);
}

.status-good {
  color: var(--primary-color);
}

.status-average {
  color: var(--warning-color);
}

.status-poor {
  color: var(--danger-color);
}

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

::-webkit-scrollbar-track {
  background: var(--surface-color);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}