/* Modern CSS Variables */
:root {
  /* Palette Visual Studio-like */
  --vs-bg: #1e1e1e;
  --vs-panel: #2d2d2d;
  --vs-panel-alt: #252526;
  --vs-border: #3c3c3c;
  --vs-text: #d4d4d4;
  --vs-muted: #9da0a6;
  --vs-accent: #6a9fb5; /* light blue */
  --vs-accent-strong: #007acc; /* VS blue */
  --vs-green: #22c55e;
  --vs-yellow: #ffd166;
  --vs-purple: #a78bfa;
  --vs-red: #ef4444;

  --primary-gradient: linear-gradient(135deg, #007acc 0%, #6a9fb5 100%);
  --success-gradient: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  --dark-gradient: linear-gradient(135deg, #2d2d2d 0%, #1e1e1e 100%);

  --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --card-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.45);
  --transition-base: all 0.2s ease;
  --border-radius-base: 10px;
  --border-radius-lg: 12px;
  --spacing-base: 1.25rem;
}

/* Modern Typography */
html {
    font-size: 14px;
    font-family: "Share Tech", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Appliquer la police globalement */
body {
  font-family: "Share Tech", sans-serif;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

/* Enhanced Focus States */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
  outline: none;
}

html {
  position: relative;
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  margin-bottom: 60px;
  background: var(--vs-bg);
  line-height: 1.7;
  color: var(--vs-text);
}

/* Enhanced Form Styling */
.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* Modern Card Styling */
.card {
  border: 1px solid var(--vs-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  transition: var(--transition-base);
  overflow: hidden;
  background: var(--vs-panel);
}

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

.card-header {
  border-bottom: 1px solid var(--vs-border);
  padding: 0.75rem 1rem;
  font-weight: 600;
  background: var(--vs-panel-alt) !important;
  color: var(--vs-text) !important;
  border-radius: 0 !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-header.bg-primary {
  background: var(--vs-panel-alt) !important;
  border-bottom: 2px solid var(--vs-accent-strong);
}

.card-header.bg-info {
  background: var(--vs-panel-alt) !important;
  border-bottom: 2px solid var(--vs-purple);
}

.card-header.bg-warning {
  background: var(--vs-panel-alt) !important;
  color: var(--vs-text) !important;
  border-bottom: 2px solid var(--vs-yellow);
}

.card-header.bg-success {
  background: var(--vs-panel-alt) !important;
  border-bottom: 2px solid var(--vs-green);
}

.card-header.bg-dark {
  background: var(--vs-panel-alt) !important;
  border-bottom: 2px solid var(--vs-border);
}

.card-body {
  padding: 1rem;
}

/* Newsletter page readability on dark theme */
.card .form-label,
.card label,
.card .lead,
.card h1,
.card h2,
.card h3,
.card h4,
.card h5,
.card h6 {
  color: var(--vs-text) !important;
}

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

/* Couleur uniforme pour les listes dans les cartes (À propos, etc.) */
.card ul,
.card ul li {
  color: var(--vs-text) !important;
}

.form-control {
  background-color: #111827;
  color: var(--vs-text);
  border: 1px solid var(--vs-border);
}

.form-control::placeholder {
  color: #9aa0a6;
}

.form-check-input {
  background-color: #111827;
  border: 1px solid var(--vs-border);
}

.form-check-input:checked {
  background-color: var(--vs-accent-strong);
  border-color: var(--vs-accent-strong);
}

.card.bg-light,
.bg-light {
  background-color: var(--vs-panel) !important;
}

.card-header .h3,
.card-header .h4,
.card-header .h5 {
  color: var(--vs-text) !important;
}

/* Modern Button Styling */
.btn {
  border-radius: 6px;
  font-weight: 600;
  padding: 0.5rem 1rem;
  transition: var(--transition-base);
  border: 1px solid var(--vs-border);
  text-transform: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--vs-accent-strong);
  color: #fff;
  box-shadow: none;
}

.btn-primary:hover {
  transform: none;
  background: #0a84d0;
}

.btn-outline-primary {
  border: 1px solid var(--vs-accent-strong);
  color: var(--vs-accent-strong);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--vs-accent-strong);
  color: #fff;
  border-color: var(--vs-accent-strong);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1.1rem;
  border-radius: 10px;
}

.btn-sm {
  padding: 0.375rem 1rem;
  font-size: 0.875rem;
  border-radius: 6px;
}

/* Badge Styling */
.badge {
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  background: var(--vs-panel-alt);
  color: var(--vs-text);
  border: 1px solid var(--vs-border);
}

.badge.bg-success {
  background: linear-gradient(135deg, #00b894 0%, #00cec9 100%) !important;
}

.badge.bg-info {
  background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%) !important;
}

.badge.bg-warning {
  background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%) !important;
  color: #2d3748 !important;
}

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

.badge.bg-secondary {
  background: linear-gradient(135deg, #b2bec3 0%, #636e72 100%) !important;
}

/* List Group Styling */
.list-group-item {
  border: none;
  border-bottom: 1px solid var(--vs-border);
  padding: 0.75rem 1rem;
  transition: var(--transition-base);
  background: transparent;
  color: var(--vs-text);
}

.list-group-item:hover {
  background: var(--vs-panel);
  border-left: 3px solid var(--vs-accent-strong);
  padding-left: calc(1rem - 3px);
}

.list-group-item:first-child {
  border-top: none;
}

.list-group-item:last-child {
  border-bottom: none;
}

/* Link Styling */
a {
  color: var(--vs-accent);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--vs-accent-strong);
  text-decoration: none;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: inherit;
  font-weight: 700;
  line-height: 1.3;
  color: var(--vs-text);
  letter-spacing: -0.25px;
}

.display-4 {
  font-weight: 800;
  color: var(--vs-text);
}

/* Scrollbar Styling - WebKit browsers (Chrome, Safari, Edge) */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--vs-accent-strong);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5a6fd8 0%, #6a3f92 100%);
}

/* Firefox scrollbar styling */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--vs-accent-strong) var(--vs-panel);
}

/* Animation Classes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Smooth transitions for dynamic content - use sparingly */
.card-body.animate-content > * {
  animation: fadeInUp 0.4s ease-out;
}

/* Icon styling */
.bi {
  vertical-align: -0.125em;
}

/* Small text improvements */
small, .small {
  font-size: 0.875rem;
  color: #718096;
}

.text-muted {
  color: #718096 !important;
}

/* Shadow utilities */
.shadow-sm {
  box-shadow: var(--card-shadow) !important;
}

.box-shadow {
  box-shadow: var(--card-shadow);
}

/* Navbar – style Visual Studio */
.navbar {
  background: var(--vs-panel-alt) !important;
  border-bottom: 1px solid var(--vs-border);
  position: relative;
}

.navbar .navbar-brand {
  color: var(--vs-text) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.5rem;
}

.navbar .navbar-brand .bi {
  color: var(--vs-accent-strong);
}

.navbar .nav-link {
  color: var(--vs-muted) !important;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0.25rem 0.5rem;
  margin-right: 0.25rem;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--vs-text) !important;
  background: var(--vs-panel);
  border-color: var(--vs-border);
}

/* Boutons fenêtre (min/max/close) simulés */
.navbar::after {
  content: "";
  display: block;
  position: absolute;
  right: 12px;
  top: 8px;
  width: 72px;
  height: 16px;
  pointer-events: none;
  background:
    radial-gradient(circle 6px, #ffd166 98%, transparent 100%) 24px 8px / 12px 12px no-repeat,
    radial-gradient(circle 6px, #22c55e 98%, transparent 100%) 48px 8px / 12px 12px no-repeat,
    radial-gradient(circle 6px, #ef4444 98%, transparent 100%) 64px 8px / 12px 12px no-repeat;
}

.navbar .navbar-toggler {
  border-color: var(--vs-border);
}

.navbar .navbar-toggler-icon {
  filter: brightness(0) saturate(100%) invert(76%) sepia(7%) saturate(462%) hue-rotate(162deg) brightness(89%) contrast(86%);
}

.navbar-collapse {
  background: var(--vs-panel-alt);
}