/* ------------------------------------------------------------------
   Modern UI Refactor (2025) – Palette & Design System
   ------------------------------------------------------------------ */

:root {
  --color-bg: #0f1115;
  --color-bg-alt: #161b22;
  --color-surface: #1f252e;
  --color-border: #2b323c;
  --color-text: #f5f7fa;
  --color-text-muted: #9aa4b1;
  --color-accent: #ffce76; /* Couleur historique conservée */
  --color-accent-rgb: 255, 206, 118;
  --color-danger: #dc3545;
  --color-success: #198754;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,.3);
  --shadow: 0 4px 12px rgba(0,0,0,.35);
  --transition: .25s cubic-bezier(.4,0,.2,1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial, sans-serif;
  /* Hauteur estimée de la navbar fixe (utilisée pour décaler le contenu) */
  --navbar-height: 72px;
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #f6f7f9;
    --color-bg-alt: #ffffff;
    --color-surface: #ffffff;
    --color-border: #e2e6eb;
    --color-text: #1f242b;
    --color-text-muted: #586273;
  }
}

html, body { background: var(--color-bg); color: var(--color-text); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body { line-height: 1.5; }

a { color: var(--color-accent); transition: color var(--transition); }
a:hover, a:focus { color: rgba(var(--color-accent-rgb), .85); text-decoration: none; }

/* Utilitaires */
.text-accent { color: var(--color-accent) !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }

/* Navbar */
.navbar-modern { background: rgba(15,17,21,.85); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: background var(--transition), box-shadow var(--transition); }
.navbar-modern.scrolled { background: rgba(15,17,21,.95); box-shadow: var(--shadow-sm); }
.navbar-modern .navbar-brand { font-weight: 600; letter-spacing: .5px; }
.navbar-modern .brand-text { font-size: 1.05rem; }
.navbar-modern .nav-link { position: relative; padding: .6rem .95rem; font-weight: 500; color: var(--color-text-muted) !important; transition: color var(--transition); }
.navbar-modern .nav-link:hover, .navbar-modern .nav-link:focus, .navbar-modern .nav-link.show { color: var(--color-text) !important; }
.navbar-modern .dropdown-menu { background: var(--color-surface); border: 1px solid var(--color-border); padding: .35rem .35rem; border-radius: var(--radius); min-width: 14rem; }
.navbar-modern .dropdown-item { color: var(--color-text-muted); border-radius: var(--radius-sm); font-size: .9rem; }
.navbar-modern .dropdown-item:hover { background: var(--color-bg-alt); color: var(--color-text); }
.auth-actions .btn { white-space: nowrap; }
.auth-actions { gap: .5rem; }
@media (max-width: 575.98px) {
  .auth-actions { position: relative; }
  .auth-actions .btn { padding: .4rem .75rem; font-size: .75rem; }
}

/* Icone loupe dans la navbar */
.nav-search-icon { display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; color: var(--color-text-muted); border-radius: var(--radius); transition: color var(--transition), background var(--transition), transform var(--transition); position: relative; }
.nav-search-icon:hover, .nav-search-icon:focus { color: var(--color-text); background: rgba(255,255,255,0.04); text-decoration: none; transform: scale(1.04); }
.nav-search-icon svg { width: 26px; height: 26px; }
@media (max-width: 575.98px) {
  .nav-search-icon { width: 44px; height: 44px; }
  .nav-search-icon svg { width: 22px; height: 22px; }
}

/* Tooltip simple CSS */
.nav-search-icon::after {
  content: attr(data-label);
  position: absolute;
  bottom: -34px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface);
  color: var(--color-text-muted);
  padding: .35rem .5rem;
  border-radius: 6px;
  white-space: nowrap;
  font-size: .8rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  box-shadow: var(--shadow-sm);
}
.nav-search-icon:hover::after, .nav-search-icon:focus::after { opacity: 1; transform: translateX(-50%) translateY(-4px); }
@media (max-width: 575.98px) {
  .nav-search-icon::after { display: none; }
}

.btn-accent { background: var(--color-accent); border: none; color: #2b2105; font-weight: 600; box-shadow: 0 2px 6px rgba(var(--color-accent-rgb), .35); }
.btn-accent:hover { background: rgba(var(--color-accent-rgb), .9); color: #1e1604; }

/* Boutons outline dans la navbar (contraste amélioré) */
.navbar-modern .btn-outline-light { 
  color: var(--color-text); 
  border-color: var(--color-border); 
  background: transparent; 
  font-weight: 500;
  transition: var(--transition);
}
.navbar-modern .btn-outline-light:hover, 
.navbar-modern .btn-outline-light:focus { 
  background: var(--color-text); 
  color: var(--color-bg); 
  border-color: var(--color-text); 
}

.modern-search { background: var(--color-surface); border: 1px solid var(--color-border); color: var(--color-text); border-radius: var(--radius-pill); padding: .45rem .9rem; font-size: .8rem; }
.modern-search:focus { outline: none; box-shadow: 0 0 0 2px rgba(var(--color-accent-rgb), .4); border-color: var(--color-accent); }

/* Flash messages */
.modern-flash { border: 1px solid var(--color-border); background: linear-gradient(145deg, var(--color-surface), var(--color-bg-alt)); border-radius: var(--radius); animation: fadeSlide .6s ease; }
@keyframes fadeSlide { from {opacity:0; transform: translateY(-6px);} to {opacity:1; transform:translateY(0);} }

/* Footer */
.site-footer { background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg)); border-top: 1px solid var(--color-border); }
.site-footer a { color: var(--color-text-muted); margin: 0 .65rem; font-size: .85rem; }
.site-footer a:hover { color: var(--color-text); }
.footer-social a { font-size: 1.55rem; margin: 0 .35rem; color: var(--color-text-muted); }
.footer-social a:hover { color: var(--color-accent); }
.footer-brand img { filter: drop-shadow(0 2px 4px rgba(0,0,0,.4)); }

.fa-heart { color: var(--color-accent); }

/* Return to top */
#return-to-top { position: fixed; bottom: 1.75rem; right: 1.5rem; background: var(--color-accent); width: 46px; height: 46px; display: none; text-align: center; border-radius: var(--radius-pill); box-shadow: var(--shadow-sm); transition: background var(--transition), transform var(--transition); z-index: 1040; }
#return-to-top svg.icon-return { width: 20px; height: 20px; display: inline-block; vertical-align: middle; color: #2b2105; margin-top: 12px; }
#return-to-top i { color: #2b2105; line-height: 46px; }
#return-to-top:hover { background: rgba(var(--color-accent-rgb), .92); transform: translateY(-4px); }
#return-to-top:focus { outline: none; box-shadow: 0 0 0 4px rgba(var(--color-accent-rgb), .25); }

/* Cards (générique) */
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); }
.card .card-header { background: transparent; border-bottom: 1px solid var(--color-border); }
.card a { text-decoration: none; }

/* Tables */
table.table { color: var(--color-text); }
table.table thead th { border-bottom: 2px solid var(--color-border); }
table.table td, table.table th { border-color: var(--color-border); }

/* Forms */
@media (prefers-color-scheme: light) {
  .navbar-modern { background: rgba(255,255,255,.8); }
  .navbar-modern.scrolled { background: rgba(255,255,255,.92); }
  #return-to-top i { color: #1f242b; }
  .btn-accent { color: #3a2b08; }
  .navbar-modern .btn-outline-light { 
    color: #30363d; 
    border-color: #d0d7de; 
    background: rgba(0,0,0,0.02);
  }
  .navbar-modern .btn-outline-light:hover, 
  .navbar-modern .btn-outline-light:focus { 
    background: #30363d; 
    color: #ffffff; 
    border-color: #30363d; 
  }
}

/* Transition support for theme changes */
html { transition: background-color .4s ease, color .4s ease; }

/* Accessibilité utilitaire (remplace inline hidden spans) */
.visually-hidden { position: absolute !important; width:1px !important; height:1px !important; padding:0 !important; margin:-1px !important; overflow:hidden !important; clip:rect(0 0 0 0) !important; white-space:nowrap !important; border:0 !important; }

/* Pastilles firmware carrées */
.badge-square { width:18px; height:18px; display:inline-block; padding:0; border-radius:3px; vertical-align:middle; line-height:18px; position:relative; }
.badge-square.align-self-start { flex-shrink:0; align-self:flex-start; }

/* Décalage du contenu pour navbar fixe */
/* Spacer element to avoid content being hidden under a fixed header */
.header-spacer { height: calc(var(--navbar-height)); width: 100%; display: block; }
/* Primary content padding — kept as backup in case spacer isn't present */
main#main { padding-top: calc(var(--navbar-height) + 0.5rem); }

@media (max-width: 575.98px) {
  :root { --navbar-height: 64px; }
  main#main { padding-top: calc(var(--navbar-height) + 0.25rem); }
}

/* Thème explicite override (attribué via JS : <html data-theme="dark|light"> ) */
:root[data-theme="dark"] {
  --color-bg: #0f1115;
  --color-bg-alt: #161b22;
  --color-surface: #1f252e;
  --color-border: #2b323c;
  --color-text: #f5f7fa;
  --color-text-muted: #9aa4b1;
}
:root[data-theme="light"] {
  --color-bg: #f6f7f9;
  --color-bg-alt: #ffffff;
  --color-surface: #ffffff;
  --color-border: #e2e6eb;
  --color-text: #1f242b;
  --color-text-muted: #586273;
}

/* Bouton toggle thème */
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 34px; padding: 0; border-radius: var(--radius-pill); position: relative; }
.theme-toggle i { transition: transform .5s ease, opacity .4s ease; }
.theme-toggle.switching i { transform: rotate(180deg); opacity: .4; }
.theme-toggle { border: 1px solid var(--color-border) !important; background: var(--color-surface); color: var(--color-text) !important; }
.theme-toggle:hover { background: var(--color-bg-alt); color: var(--color-accent) !important; }
.theme-toggle:focus { outline: none; box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), .35); }
/* Icônes lune / soleil visibles selon le thème */
.theme-toggle .icon-sun, .theme-toggle .icon-sun-svg { display: none; }
.theme-toggle .icon-moon, .theme-toggle .icon-moon-svg { display: inline-block; }
.theme-toggle .fa-fallback { font-size: 1rem; }
.theme-toggle svg { width: 18px; height: 18px; display: inline-block; }
:root[data-theme="light"] .theme-toggle .icon-moon-svg { color: #5a6470; }
:root[data-theme="dark"] .theme-toggle .icon-moon-svg { color: #d6dde4; }
.theme-toggle .icon-moon-svg { filter: drop-shadow(0 0 2px rgba(0,0,0,.35)); }
:root[data-theme="dark"] .theme-toggle .icon-moon, 
:root[data-theme="dark"] .theme-toggle .icon-moon-svg { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun, 
:root[data-theme="dark"] .theme-toggle .icon-sun-svg { display: inline-block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle { background: #ffffff; color: #30363d !important; }
  :root:not([data-theme="dark"]) .theme-toggle:hover { background: #f0f2f4; }
}
:root[data-theme="light"] .theme-toggle { background: #ffffff; color: #30363d !important; }
:root[data-theme="light"] .theme-toggle:hover { color: #1f242b !important; }
:root[data-theme="dark"] .theme-toggle { background: var(--color-surface); }
:root[data-theme="dark"] .theme-toggle:hover { color: var(--color-accent) !important; }


/* SweetAlert2 – styles spécifiques pour les toasts d'erreur */
.swal2-popup.swal2-toast.toast-error { 
  background: var(--color-danger) !important; 
  color: #fff; 
  border-radius: var(--radius);
}
.swal2-popup.swal2-toast.toast-error .swal2-title,
.swal2-popup.swal2-toast.toast-error .swal2-html-container { 
  color: #fff; 
}
.swal2-popup.swal2-toast.toast-error .swal2-close { 
  color: #fff; 
  opacity: .9; 
}
.swal2-popup.swal2-toast.toast-error .swal2-close:hover { 
  opacity: 1; 
}
.swal2-popup.swal2-toast.toast-error .swal2-timer-progress-bar { 
  background: rgba(255,255,255,.6); 
}

/* --------------------------------------------------------------
   Menu burger (mobile & tablette)
   -------------------------------------------------------------- */
@media (max-width: 991.98px) {
  body.menu-open { overflow: hidden; }
  body.menu-open::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,.45);
    z-index: 1048;
    backdrop-filter: blur(2px);
  }
  .navbar-modern .navbar-toggler {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: .5rem .7rem;
  }
  .navbar-modern .navbar-toggler:focus { outline: none; box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), .35); }
  .navbar-modern .navbar-collapse {
    position: fixed !important;
    top: var(--navbar-height);
    left: 0; right: 0; bottom: 0;
    width: 100%;
    background: var(--color-surface);
    padding: 1.1rem 1.25rem 2.25rem;
    overflow-y: auto;
    box-shadow: 0 6px 14px rgba(0,0,0,.45);
    z-index: 1050;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .35s var(--transition), transform .35s var(--transition);
  }
  .navbar-modern .navbar-collapse.show { opacity: 1; transform: translateY(0); }
  
  /* Reset flexbox Bootstrap pour forcer affichage vertical */
  .navbar-modern .navbar-collapse {
    display: block !important;
  }
  .navbar-modern .navbar-nav { 
    width: 100%; 
    display: block !important;
    flex-direction: column;
    margin-right: 0 !important;
  }
  .navbar-modern .navbar-nav .nav-item {
    display: block !important;
    width: 100%;
    opacity: 1 !important;
    visibility: visible !important;
  }
  .navbar-modern .navbar-nav .nav-link {
    display: block !important;
    padding: .85rem 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted) !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
  .navbar-modern .navbar-nav .nav-link:hover,
  .navbar-modern .navbar-nav .nav-link:focus { color: var(--color-text) !important; }
  .navbar-modern .navbar-nav .nav-item:last-child .nav-link { border-bottom: none; }
  /* Dropdown en mode mobile */
  .navbar-modern .dropdown-menu {
    position: static !important;
    transform: none !important;
    float: none;
    width: 100%;
    margin-top: .5rem;
    margin-bottom: .5rem;
    border: none;
    box-shadow: none;
    background: var(--color-bg-alt);
    display: none; /* Caché par défaut */
    max-height: 200px; /* Limiter la hauteur */
    overflow-y: auto; /* Scroll si trop de marques */
  }
  .navbar-modern .dropdown-menu.show {
    display: block !important; /* Affiché quand ouvert */
  }
  .navbar-modern .dropdown-item {
    padding: .65rem 1rem;
  }
  /* IMPORTANT: forcer tous les nav-items à rester visibles même quand dropdown ouvert */
  .navbar-modern .navbar-nav > .nav-item {
    position: relative !important;
    z-index: auto !important;
  }
  .navbar-modern .navbar-nav {
    position: relative !important;
    z-index: 1 !important;
  }
  
  /* En mobile, garder le dropdown cliquable normalement */
  .navbar-modern .dropdown-toggle::after {
    display: inline-block; /* Montrer la flèche */
  }
  .navbar-modern .dropdown-toggle {
    pointer-events: auto; /* Rendre cliquable */
    cursor: pointer;
  }
  
  /* Déplacer les actions auth en fin de menu mobile */
  .navbar-modern .auth-actions { 
    margin-top: 1.25rem; 
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    flex-direction: column;
    width: 100%;
  }
  .navbar-modern .auth-actions .btn,
  .navbar-modern .auth-actions .theme-toggle {
    width: 100%;
    margin: 0 0 .65rem 0;
    justify-content: center;
  }
  .navbar-modern .nav-search-icon {
    width: 100%;
    height: auto;
    padding: .85rem 0;
    margin-bottom: .5rem;
    border-bottom: 1px solid var(--color-border);
    justify-content: flex-start;
  }
  .navbar-modern .nav-search-icon svg { margin-right: .5rem; }
  .navbar-modern .nav-search-icon::after { display: none; }
}