/* StatClean Professional Documentation Styles */

:root {
  --primary-color: #2c5282;
  --secondary-color: #3182ce;
  --accent-color: #4299e1;
  --success-color: #38a169;
  --warning-color: #d69e2e;
  --danger-color: #e53e3e;
  --dark-color: #1a202c;
  --light-color: #f7fafc;
  --gray-100: #f7fafc;
  --gray-200: #edf2f7;
  --gray-300: #e2e8f0;
  --gray-600: #718096;
  --gray-800: #2d3748;
}

/* Global Styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--bs-body-color);
  background-color: var(--bs-body-bg);
}

/* Navigation */
.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

.navbar {
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  padding: 0.5rem 0;
}

.navbar .container { padding-left: 1rem; padding-right: 1rem; }

.nav-link {
  font-weight: 500;
  color: var(--bs-secondary-color) !important;
  transition: color 0.2s ease;
  padding: 0.5rem 0.75rem !important;
  margin: 0 0.25rem;
}

.nav-link:hover { color: var(--bs-emphasis-color) !important; }

.nav-link.active { color: var(--bs-emphasis-color) !important; font-weight: 600; }

/* Navigation buttons */
.navbar .btn {
  padding: 0.375rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-left: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.navbar .btn i {
  margin-right: 0.5rem;
}

/* Ensure proper spacing between nav items and buttons */
.navbar-nav { margin-right: auto; }

.navbar .d-flex {
  gap: 0.5rem;
}

/* Make navbar toggler more visible */
.navbar-toggler {
  border-color: var(--gray-300);
}
.navbar-toggler:focus { box-shadow: none; }

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #fff;
  padding: 4rem 0;
}

.hero-section h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.hero-section .lead {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.badge-container {
  margin: 2rem 0;
}

.badge-container img {
  margin: 0.25rem;
}

/* Cards */
.feature-card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-card .card-header {
  background: var(--bs-tertiary-bg);
  border-bottom: 2px solid var(--accent-color);
  font-weight: 600;
  color: var(--primary-color);
}

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

/* Code Blocks */
.code-container {
  background: var(--bs-tertiary-bg, #f7f7f9);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
  border-left: 4px solid var(--accent-color);
}

pre {
  background: var(--dark-color);
  color: #f8f8f2;
  border-radius: 8px;
  padding: 1.5rem;
  overflow-x: auto;
  font-size: 0.9rem;
}

code {
  background: var(--bs-secondary-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--bs-emphasis-color);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  font-weight: 600;
}

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

/* Contextual backgrounds honoring color modes */
.bg-body { background-color: var(--bs-body-bg) !important; }
.bg-body-tertiary { background-color: var(--bs-tertiary-bg) !important; }

/* Tables */
.table {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.table tbody tr:hover {
  background-color: var(--bs-tertiary-bg);
}

/* Flow Chart */
.flow-chart {
  background: var(--bs-body-bg);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border: 1px solid var(--bs-border-color);
  margin: 2rem 0;
}

/* Alerts */
.alert {
  border: none;
  border-radius: 8px;
  border-left: 4px solid;
}

.alert-info {
  background-color: rgba(66, 153, 225, 0.1);
  border-left-color: var(--accent-color);
  color: var(--bs-emphasis-color);
}

.alert-success {
  background-color: rgba(56, 161, 105, 0.1);
  border-left-color: var(--success-color);
  color: var(--bs-emphasis-color);
}

.alert-warning {
  background-color: rgba(214, 158, 46, 0.1);
  border-left-color: var(--warning-color);
  color: var(--bs-emphasis-color);
}

/* Footer */
.footer {
  background-color: var(--bs-dark);
  color: var(--bs-light);
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer h5 {
  color: white;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer a {
  color: var(--bs-secondary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover { color: var(--bs-light); }

/* Responsive */
@media (max-width: 991.98px) {
  .hero-section h1 {
    font-size: 2.5rem;
  }
  
  .hero-section .lead {
    font-size: 1.1rem;
  }
  
  .feature-card {
    margin-bottom: 1rem;
  }

  /* Stack nav buttons full width on collapse for better tap targets */
  .navbar .d-flex {
    width: 100%;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }
  .navbar .btn { width: 100%; }
}

/* Sidebar Navigation */
.sidebar {
  background-color: var(--bs-body-bg);
  min-height: calc(100vh - 76px);
  padding: 1.25rem 0;
  border-right: 1px solid var(--bs-border-color);
}

.sidebar .nav-link {
  color: var(--gray-600);
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  margin: 0.25rem 0;
  font-weight: 500;
}

.sidebar .nav-link:hover {
  background-color: var(--bs-tertiary-bg);
  color: var(--primary-color);
}

.sidebar .nav-link.active {
  background-color: var(--primary-color);
  color: white !important;
}

/* Content Area */
.content-area {
  padding: 2rem;
}

.content-area h1, .content-area h2, .content-area h3 {
  color: var(--primary-color);
  font-weight: 600;
}

.content-area h1 {
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
}

/* Icons */
.icon {
  width: 1.5rem;
  height: 1.5rem;
  margin-right: 0.5rem;
}

/* Loading Animation */
.fade-in {
  animation: fadeIn 0.6s ease-in;
}

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

/* Scrollspy */
.scrollspy-nav {
  position: sticky;
  top: 100px;
}
/* Unify card spacing */
.card { border-radius: 12px; }
.card .card-header { font-weight: 600; }

/* Consistent section spacing */
section { scroll-margin-top: 90px; }


.scrollspy-nav .nav-link {
  font-size: 0.95rem;
  padding: 0.5rem 1.25rem;
}

/* Sidebar width refinement for large screens */
@media (min-width: 1200px) {
  .sidebar { max-width: 260px; }
}

@media (min-width: 1400px) {
  .sidebar { max-width: 240px; }
}

/* Search */
.search-container {
  position: relative;
  max-width: 340px;
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 6px;
  max-height: 300px;
  overflow-y: auto;
  z-index: 1000;
  display: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.search-result-item {
  padding: 0.75rem;
  border-bottom: 1px solid var(--bs-border-color);
  cursor: pointer;
  color: var(--bs-body-color);
}

.search-result-item:hover {
  background-color: var(--bs-tertiary-bg);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item .text-muted {
  color: var(--bs-secondary-color) !important;
}

/* Dense layout helpers */
.dense-nav .navbar-brand { font-size: 1.25rem; }
.dense-nav .nav-link { padding: 0.35rem 0.6rem !important; }
.dense-nav .btn { padding: 0.25rem 0.6rem; font-size: 0.85rem; }

@media (min-width: 992px) {
  .sidebar { position: sticky; top: 88px; }
}

/* Syntax Highlighting */
.highlight .k { color: #66d9ef; } /* Keywords */
.highlight .s { color: #a6e22e; } /* Strings */
.highlight .c { color: #75715e; } /* Comments */
.highlight .n { color: #f8f8f2; } /* Names */