:root {
   --iadn-dark: #213d5d;
   --iadn-light: #5082bb;
   --iadn-lighter: #d7e9ff;
}

body {
   background: #f8f9fa;
   padding-top: 56px;
}

.navbar {
   box-shadow: 0 5px 5px #333;
}

.sidebar-logo {
   text-align: center;
   background: var(--iadn-lighter);
   border: 1px solid var(--iadn-light);
   padding: 30px 0;
   border-radius: 5px;
   margin-bottom: 30px;
}

.sidebar-logo img {
   height: 150px;
}

.text-iadn-dark {
   color: var(--iadn-dark) !important;
}

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

.text-iadn-lighter {
   color: var(--iadn-lighter) !important;
}

.bg-iadn-dark {
   background: var(--iadn-dark) !important;
}

.bg-iadn-light {
   background: var(--iadn-light) !important;
}

.bg-iadn-lighter {
   background: var(--iadn-lighter) !important;
}

.btn-primary {
   background-color: var(--iadn-dark);
   border-color: var(--iadn-dark);
   color: #fff;
}

.btn-primary:hover {
   background-color: var(--iadn-light);
   border-color: var(--iadn-dark);
   color: #fff;
}

.btn-secondary {
   background-color: #ccc;
   border-color: #bbb;
   color: #213d5d;
}

.btn-secondary:hover {
   background-color: #bbb;
   color: #213d5d;
}

.btn-iadn-light {
   background-color: var(--iadn-light);
   border-color: var(--iadn-dark);
   color: #fff;
}

.btn-iadn-light:hover {
   background-color: var(--iadn-lighter);
   border-color: var(--iadn-light);
   color: #213d5d;
}

.btn-info {
   color: #fff;
   background-color: #5bc0de;
   border-color: #46b8da;
}

.btn-info:hover {
   background-color: #9fe9ff;
   color: var(--iadn-dark);
}

.btn-xs {
   font-size: 12px;
   padding: 4px 8px;
}

.link {
   color: #0d6efd;
   text-decoration: none;
   font-weight: 500;
}

.link:hover {
   cursor: pointer;
   color: #d00;
}

.mailto {
   color: var(--iadn-lighter);
   text-decoration: none;
}

.mailto:hover {
   cursor: pointer;
   color: #ff0;
}

.pointer {
   cursor: pointer;
}

.table-boutique thead th {
   background: var(--iadn-light);
   color: #fff;
}

/*
*  FORMULAIRE
*/
.form-label {
   font-size: 11pt;
   color: var(--iadn-dark);
   font-weight: 500;
   margin: 0 0 3px 5px;
}

.form-group {
   margin-bottom: 5px;
}

.message-error {
   width: 100%;
   margin-top: 0.25rem;
   font-size: 0.875em;
   color: #dc3545;
}

.form-control:focus {
   background: #f1f7ff;
   border-color: var(--iadn-light);
   box-shadow: 0 0 8px var(--iadn-light)
}

/* Sidebar original style preserved */
#sidebar {
   min-height: 100vh;
   border-right: 1px solid #ddd;
   display: flex;
   flex-direction: column;
}

@media (max-width: 768px) {
   body {
      padding-top: 86px;
   }

   #sidebar {
      display: none;
   }
}

/* --- Cards responsive --- */
.card-article {
   display: flex;
   flex-direction: column;
   transition: transform 0.2s;
   box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
   position: relative;
}

.card-article:hover {
   transform: translateY(-5px);
}

.card-article .card-img-top {
   width: 100%;
   max-height: 300px;
   object-fit: cover;
   display: block;
}

.card-article .card-body {
   display: flex;
   flex-direction: column;
   flex-grow: 1;
}

.offcanvas-start {
   width: 260px;
}

.dropdown-item:hover {
   background: var(--iadn-lighter);
}

/* --- MODALE LARGE --- */
.modal-xl {
   width: 80vw;
   max-width: 1200px;
}

@media(max-width: 992px) {
   .modal-xl {
      width: 95vw;
   }
}

@media(max-width: 576px) {
   .modal-xl {
      width: 100vw;
      margin: 0;
   }
}

/* --- MODALE LARGE --- */
.modal-xl {
   width: 80vw;
   max-width: 1200px;
}

@media(max-width: 992px) {
   .modal-xl {
      width: 95vw;
   }
}

@media(max-width: 576px) {
   .modal-xl {
      width: 100vw;
      margin: 0;
   }
}

/* --- IMAGE PRINCIPALE --- */
.image-wrapper {
   position: relative;
   width: 100%;
   height: 550px;
   /* grande zone image */
   overflow: hidden;
   padding: 10px;
   box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
}

#productImage {
   width: 100%;
   height: 100%;
   object-fit: contain;
   pointer-events: none;
}

/* --- LOUPE --- */
#loupe {
   position: absolute;
   width: 240px;
   height: 240px;
   border-radius: 50%;
   border: 3px solid rgba(0, 0, 0, .35);
   box-shadow: 0 0 10px rgba(0, 0, 0, .25);
   display: none;
   pointer-events: none;
   background-repeat: no-repeat;
   background-position: center;
   background-size: 300%;
   /* zoom x4 */
}

/* --- MINIATURES --- */
#productThumbs img {
   max-width: 110px;
   height: 70px;
   object-fit: cover;
   border-radius: 6px;
   cursor: pointer;
}

/* --- RESPONSIVE --- */
@media(max-width: 992px) {
   .image-wrapper {
      height: 400px;
   }

   #loupe {
      width: 150px;
      height: 150px;
      background-size: 450%;
   }

   #productThumbs img {
      max-width: 80px;
      height: 60px;
   }
}

@media(max-width: 576px) {
   .image-wrapper {
      height: 250px;
   }

   #loupe {
      width: 130px;
      height: 130px;
      background-size: 500%;
   }

   #productThumbs img {
      max-width: 70px;
      height: 50px;
   }
}

/* --- MOBILE : empilement si besoin --- */
@media(max-width: 576px) {
   .col-lg-6 .mt-auto.d-flex {
      flex-direction: column;
      align-items: stretch;
      gap: 0.5rem;
   }
}

/* --- Rubans diagonaux avec coins coupés --- */
.image-container {
   position: relative;
}

/* Rubans sur l'image */
.card-ribbon {
   font-size: 14px;
   font-weight: bold;
   color: #fff;
   line-height: 1.8;
   padding-inline: 0.5rem;
   padding-bottom: var(--f, 0.5em);
   position: absolute;
   z-index: 10;
}

/* Nouveauté - haut gauche */
.ribbon-new {
   top: 0;
   left: 0;
   width: 190px;
   height: 45px;
   line-height: 30px;
   text-align: center;
   font-weight: bold;
   font-size: 15pt;
   color: #d00;
   --f: 0.5em;
   background: linear-gradient(#fffb7d, #ffc107);
   border-image: conic-gradient(#0008 0 0) 51%/var(--f);
   clip-path: polygon(100% calc(100% - var(--f)),
         100% 100%,
         calc(100% - var(--f)) calc(100% - var(--f)),
         var(--f) calc(100% - var(--f)),
         0 100%,
         0 calc(100% - var(--f)),
         999px calc(100% - var(--f) - 999px),
         calc(100% - 999px) calc(100% - var(--f) - 999px));
   transform: translate(calc((cos(45deg) - 1)*100%), -100%) rotate(-45deg);
   transform-origin: 100% 100%;
}

/* Promotion - haut droite */
.ribbon-promo {
   top: 0;
   right: 0;
   width: 190px;
   height: 45px;
   line-height: 30px;
   text-align: center;
   font-weight: bold;
   font-size: 15pt;
   color: #ff0;
   --f: 0.5em;
   background: linear-gradient(#ff5555, #b30505);
   border-image: conic-gradient(#0008 0 0) 51%/var(--f);
   clip-path: polygon(100% calc(100% - var(--f)),
         100% 100%,
         calc(100% - var(--f)) calc(100% - var(--f)),
         var(--f) calc(100% - var(--f)),
         0 100%,
         0 calc(100% - var(--f)),
         999px calc(100% - var(--f) - 999px),
         calc(100% - 999px) calc(100% - var(--f) - 999px));
   transform: translate(calc((1 - cos(45deg))*100%), -100%) rotate(45deg);
   transform-origin: 0% 100%;
}

/* Mobile : ajustement rubans */
@media (max-width: 600px) {

   .ribbon-new,
   .ribbon-promo {
      width: 140px;
      height: 35px;
      line-height: 25px;
      font-size: 12pt;
   }
}

/* Animation clignotante */
@keyframes blink {

   0%,
   50%,
   100% {
      opacity: 1;
   }

   25%,
   75% {
      opacity: 0;
   }
}

.ribbon-promo span {
   animation: blink 5s infinite;
}

/* Bouton retour en haut */
.btn-top {
   position: fixed;
   bottom: 70px;
   right: 10px;
   width: 48px;
   height: 48px;
   border-radius: 50%;
   background: var(--iadn-dark);
   color: #fff;
   border: none;
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 20px;
   cursor: pointer;
   box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
   z-index: 9999;
   opacity: 0;
   visibility: hidden;
   transition: opacity .3s ease, visibility .3s ease;
}

.btn-top:hover {
   background: var(--iadn-light);
}

/* visible quand on scrolle */
.btn-top.show {
   opacity: 1;
   visibility: visible;
}