/* Variables de couleur et styles généraux */
:root {
    --primary-color: #007bff;
    --primary-color-light: #cce5ff;
    --success-color: #28a745;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --border-color: #dee2e6;
    --body-bg: #f4f7f6;
}

body {
    background-color: var(--body-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #333;
}

/* Zone de Drag-and-Drop */
#drop-zone {
    border: 3px dashed var(--border-color);
    border-radius: 15px;
    padding: 50px;
    text-align: center;
    cursor: pointer;
    background-color: #ffffff;
    transition: all 0.3s ease-in-out;
}

#drop-zone .drop-zone-prompt {
    transition: transform 0.3s ease-in-out;
}

#drop-zone.dragover {
    border-color: var(--primary-color);
    background-color: var(--primary-color-light);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
}

#drop-zone.dragover .drop-zone-prompt {
    transform: scale(1.05);
}

#drop-zone .fa-cloud-upload {
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Cartes de prévisualisation des images */
.preview-card {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.preview-card .card-img-top {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 10px;
    background-color: var(--light-gray);
}

.preview-card .card-title {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 5px;
}

.preview-card .card-text {
    font-size: 0.85rem;
    color: var(--gray);
}

.size-reduction {
    color: var(--success-color);
    font-weight: bold;
}

/* Spinner de chargement */
.spinner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Curseur de qualité */
.quality-slider-wrapper {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* Bouton d'action principal */
#main-action-btn .sparkle {
    display: inline-block;
    animation: sparkle-animation 1.5s infinite;
}

@keyframes sparkle-animation {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

/* Publicités */
.ad-contextual, .ad-footer {
    border: 1px solid var(--border-color);
    padding: 10px;
    background-color: var(--light-gray);
    display: inline-block;
    border-radius: 5px;
    text-align: center;
}

.ad-footer {
    margin-bottom: 15px;
}

/* Footer */
.footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
}