.k3p-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.k3p-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    display: block;
    box-shadow: rgba(0, 0, 0, 0.08) 0px 8px 25px;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    background: rgb(0, 0, 0);
    transition: transform 0.35s, box-shadow 0.35s;
}

.k3p-item img {
    width: 100%;
    display: block;
    transition: transform .4s ease;
}

.k3p-item:hover img {
    transform: scale(1.05);
}

.k3p-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(14, 108, 142,.9);
    color: #fff;
    padding: 20px;
    transform: translateY(100%);
    transition: transform .4s ease;
}

.k3p-item:hover .k3p-overlay {
    transform: translateY(0);
}

.k3p-overlay h3 {
    margin: 0 0 5px;
    font-size: 18px;
}

.k3p-credit {
    font-size: 14px;
    opacity: .8;
    margin-bottom: 10px;
}

.k3p-select {
    background: #ffffff;
    color: var(--couleur-principale);
    border: none;
    padding: 8px 14px;
    cursor: pointer;
    font-weight: 600;
}

.k3p-floating-download {
    position: fixed;
    bottom: 130px;
    right: 30px;
    background: var(--couleur-principale);
    padding: 15px 20px;
    z-index: 9999;
}

#k3p-download-selection {
    background: #fff;
    border: none;
    padding: 10px 18px;
    font-weight: bold;
    cursor: pointer;
}

.k3p-item.selected::after {
    content: "✔";
    position: absolute;
    top: 10px;
    right: 10px;
    background: #ffffff;
    color: var(--couleur-principale);
    font-weight: bold;
    padding: 5px 8px;
}







/* ==========================
   GRILLE THEMES
========================== */

.k3p-theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

/* ==========================
   CARD
========================== */

.k3p-theme-card {
    position: relative;
    display: block;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    background: #000;
    box-shadow: 0 8px 25px rgba(0,0,0,.08);
    transition: transform .35s ease, box-shadow .35s ease;
}

/* Effet élévation */
.k3p-theme-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0,0,0,.15);
}

/* ==========================
   IMAGE
========================== */

.k3p-theme-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    transition: transform .6s ease;
}

/* Zoom image */
.k3p-theme-card:hover img {
    transform: scale(1.08);
}

/* ==========================
   OVERLAY TITRE
========================== */

.k3p-theme-card span {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;

    padding: 18px 20px;

    background: linear-gradient(
        to top,
        rgba(0,0,0,.8) 0%,
        rgba(0,0,0,.5) 40%,
        rgba(0,0,0,0) 100%
    );

    color: #fff;
    font-weight: 600;
    font-size: 17px;
    line-height: 1.3;
}

/* Compteur */
.k3p-theme-card span small {
    font-weight: 400;
    opacity: .8;
    margin-left: 6px;
}

/* ==========================
   RESPONSIVE
========================== */

@media (max-width: 768px) {
    .k3p-theme-card img {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .k3p-theme-card img {
        height: 180px;
    }
}


.k3p-theme-grid,
.k3p-gallery {
    transition: opacity .3s ease;
}

.k3p-gallery {
    display:none;
    opacity:0;
}


/* ==========================
   LOADER
========================== */

.k3p-loader {
    position: relative;
    width: 100%;
    text-align: center;
    padding: 60px 0;
}

.k3p-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(0,0,0,0.1);
    border-top: 4px solid var(--couleur-principale);
    border-radius: 50%;
    animation: k3p-spin 0.8s linear infinite;
    margin: 0 auto;
}

@keyframes k3p-spin {
    to { transform: rotate(360deg); }
}

/* ==========================
   BOUTON RETOUR THÈMES
========================== */

.k3p-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--couleur-principale);
    color: #fff;
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .25s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    margin-bottom: 30px;
    user-select: none;
}

.k3p-back:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.18);
    filter: brightness(1.05);
}

.k3p-back:active {
    transform: translateY(0);
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

.k3p-back:hover::before {
    transform: translateX(-4px);
}