/* --- Variables & Reset --- */
:root {
    --color-primary: #1D1842; /* Cassis */
    --color-accent: #FE3A4A; /* Rouge Corail */
    --color-text: #F0F0F0;
    --color-text-dark: #333;
    --color-bg-light: rgba(255, 255, 255, 0.1);
    --color-border: rgba(255, 255, 255, 0.2);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

#ia-retouche-app-container * {
    box-sizing: border-box;
    font-family: var(--font-family);
}

/* --- Application Container --- */
#ipr-app {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    background: var(--color-primary);
    color: var(--color-text);
    border-radius: 16px;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    flex-direction: column;
}

/* --- Screens --- */
.ipr-screen { display: none; }
.ipr-screen.active { display: flex; flex-grow: 1; }

/* --- Upload Screen --- */
#ipr-upload-screen {
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.ipr-upload-box {
    text-align: center;
    padding: 3rem;
    border: 2px dashed var(--color-border);
    border-radius: 12px;
    background: var(--color-bg-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 100%;
    max-width: 500px;
}
.ipr-upload-box.drag-over {
    border-color: var(--color-accent);
    transform: scale(1.02);
}
.ipr-upload-box h3 { font-size: 1.5rem; margin-top: 1rem; color: #00adff;}
.ipr-upload-box p { opacity: 0.8; }
.ipr-drag-drop-text { font-size: 0.9rem; margin-top: 1rem; opacity: 0.6; }

/* --- CTA Button --- */
.ipr-cta-button {
    background: var(--color-accent);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
}
.ipr-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(254, 58, 74, 0.4);
}
/* --- Style pour les boutons désactivés pendant une tâche --- */
.is-processing {
    cursor: not-allowed !important;
    opacity: 0.5;
    pointer-events: none; /* Empêche tout événement de souris */
}

/* --- Editor Screen --- */
#ipr-editor-screen {
    flex-direction: row;
}

/* --- Sidebar --- */
.ipr-sidebar {
    width: 320px;
    background: rgba(29, 24, 66, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ipr-toolbar {
    display: flex;
    justify-content: space-around;
    margin: 10px 0;
    background: rgba(0,0,0,0.2);
}
.ipr-tool-btn {
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    opacity: 0.6;
    cursor: pointer;
    transition: all 0.2s;
    padding: 10px;
}
.ipr-tool-btn:hover { opacity: 1; }
.ipr-tool-btn.active { opacity: 1; background-color: black; border-radius: 8px; }

.ipr-panels { flex-grow: 1; overflow-y: auto; }
.ipr-panel { display: none; padding: 20px; }
.ipr-panel.active { display: block; }
.ipr-panel p { text-align: center; }

/* --- Styler Panel --- */
.ipr-tabs { display: flex; border-bottom: 1px solid var(--color-border); margin-bottom: 20px; }
.ipr-tab-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--color-text);
    opacity: 0.7;
    padding: 15px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: bold;
    border-bottom: 2px solid transparent;
}
.ipr-tab-btn.active { opacity: 1; border-bottom-color: var(--color-accent); }

.ipr-tab-content { display: none; }
.ipr-tab-content.active { display: block; }
.ipr-styles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}
.ipr-style-thumb {
    cursor: pointer;
    text-align: center;
    transition: transform 0.2s;
}
.ipr-style-thumb:hover { transform: scale(1.05); }
.ipr-style-thumb img {
    width: 100%;
    border-radius: 8px;
    border: 2px solid transparent;
    aspect-ratio: 1/1;
    object-fit: cover;
}
.ipr-style-thumb.selected img { border-color: var(--color-accent); }
.ipr-style-thumb p { font-size: 0.8rem; margin-top: 5px; }

/* --- Main Content & Image Container --- */
.ipr-main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    justify-content: center;
    align-items: center;
}
.ipr-image-container {
    position: relative;
    width: 100%;
    max-width: 500px; /* ou autre */
    aspect-ratio: 3/4;
    margin: auto;
}
#ipr-comparison-container {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    cursor: ew-resize; 
}
#ipr-before-image, #ipr-after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Important : les deux doivent avoir le même object-fit */
    object-position: center;
    user-select: none; /* Empêche la sélection de l'image lors du glissement */
}
#ipr-after-image {
    clip-path: inset(0 50% 0 0);
}
#ipr-slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--color-accent);
    cursor: ew-resize; 
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5; /* S'assurer qu'il est au-dessus des images */
}

#ipr-slider-handle div {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 10px rgba(0,0,0,0.5); /* Ajoute un peu de profondeur */
}

.ipr-action-bar {
    display: flex;
    gap: 15px; /* Espace entre les boutons */
    align-items: center;
    justify-content: center;
    margin-top: 2rem;
}

/* Bouton secondaire (pour "Continuer les modifs") */
.ipr-secondary-button {
    background: var(--color-bg-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ipr-secondary-button:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Classe utilitaire pour cacher des éléments */
.hidden {
    display: none !important;
}

/* --- Loader --- */
#ipr-loader {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(29, 24, 66, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
    color: white;
}
#ipr-loader.hidden { display: none; }
.ipr-spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--color-accent);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- Style du Panneau "Améliorer" --- */
#ipr-panel-enhance {
    text-align: left; /* On aligne le texte à gauche pour plus de clarté */
}

#ipr-panel-enhance h3 {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 8px;
}

#ipr-panel-enhance p {
    text-align: left;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 30px; /* Espace avant le premier contrôle */
}

/* Groupe de contrôle (Label + Slider) */
.ipr-control-group {
    margin-bottom: 25px;
}

.ipr-control-group label {
    display: block;
    font-weight: bold;
    font-size: 1rem;
    margin-bottom: 4px;
}

/* Met en valeur la valeur numérique */
.ipr-control-group label span {
    color: var(--color-accent);
    font-size: 1.1rem;
    font-family: monospace; /* Pour un affichage stable des chiffres */
}

.ipr-control-group small {
    display: block;
    font-size: 0.8rem;
    opacity: 0.7;
    margin-bottom: 12px;
}

/* --- Style personnalisé pour les Sliders (input range) --- */
input[type="range"] {
    -webkit-appearance: none; /* Supprime le style par défaut sur WebKit */
    appearance: none;
    width: 100%;
    height: 8px; /* Hauteur de la piste */
    background: var(--color-bg-light);
    border-radius: 4px;
    outline: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
}

/* Curseur (Thumb) pour Chrome, Safari, Edge */
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px; /* Largeur du curseur */
    height: 20px; /* Hauteur du curseur */
    background: var(--color-accent);
    border-radius: 50%;
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 8px rgba(254, 58, 74, 0.7);
    margin-top: -6px; /* Centrage vertical du curseur sur la piste */
    transition: transform 0.2s ease-in-out;
}
input[type="range"]:active::-webkit-slider-thumb {
    transform: scale(1.2); /* Grossit au clic */
}

/* Piste (Track) pour Firefox */
input[type="range"]::-moz-range-track {
    width: 100%;
    height: 8px;
    background: var(--color-bg-light);
    border-radius: 4px;
    cursor: pointer;
}

/* Curseur (Thumb) pour Firefox */
input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 3px solid var(--color-primary);
    box-shadow: 0 0 8px rgba(254, 58, 74, 0.7);
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

input[type="range"]:active::-moz-range-thumb {
    transform: scale(1.2);
}

/* Espace avant le bouton d'action */
#ipr-panel-enhance .ipr-cta-button {
    width: 100%; /* Le bouton prend toute la largeur */
    margin-top: 20px;
}

/* --- Style du Panneau "Ajuster" --- */
#ipr-panel-adjust.active {
    text-align: left;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ipr-prompt-area {
    margin-top: 20px;
    position: relative;
}

.ipr-prompt-area label {
    display: block;
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 8px;
}

.ipr-prompt-area textarea {
    width: 100%;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    padding: 10px;
    font-size: 0.9rem;
    resize: vertical;
    min-height: 80px;
    margin-bottom: 10px;
}

.ipr-prompt-area textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 8px rgba(254, 58, 74, 0.5);
}

.ipr-reset-btn {
    position: absolute;
    bottom: 12px;
    right: 10px;
    background: none;
    border: none;
    color: var(--color-text);
    opacity: 0.6;
    cursor: pointer;
    font-size: 0.8rem;
}
.ipr-reset-btn:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* Grille pour les boutons d'options */
.ipr-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.ipr-prompt-adder {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    font-size: 0.9rem;
}

.ipr-prompt-adder:hover {
    border-color: var(--color-accent);
    background-color: rgba(254, 58, 74, 0.1);
}

/* Vignettes qui ajoutent du prompt (on leur donne aussi la classe .ipr-prompt-adder) */
.ipr-style-thumb.ipr-prompt-adder {
    padding: 0;
    background: none;
    border: none;
}
.ipr-style-thumb.ipr-prompt-adder:hover {
    background: none; /* Annule l'effet de hover du bouton simple */
}

/* Le bouton d'action est en bas */
#ipr-panel-adjust .ipr-cta-button {
    width: 100%;
    margin-top: auto; /* Pousse le bouton en bas */
    padding-top: 15px; /* Un peu d'espace au dessus */
}

/* --- Style du Panneau "Transformation Magique" --- */
#ipr-panel-magic.active {
    display: flex;
    flex-direction: column;
    height: 100%;
}

#ipr-panel-magic h3 {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 8px;
    text-align: left;
}

#ipr-panel-magic p {
    text-align: left;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 20px;
}

.ipr-template-category-title {
    font-weight: bold;
    color: var(--color-text);
    opacity: 0.9 !important; /* Pour surcharger le p général */
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 5px;
    margin-top: 15px !important;
    margin-bottom: 10px !important;
}

.ipr-prompt-template-btn {
    display: flex;
    flex-direction: column;
    width: 100%;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    margin-bottom: 5px;
}

.ipr-prompt-template-btn:hover {
    border-color: var(--color-accent);
    transform: translateY(4px);
}

.ipr-prompt-template-btn strong {
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.ipr-prompt-template-btn small {
    font-size: 0.7rem;
    opacity: 0.7;
}

#ipr-panel-magic .ipr-cta-button {
    width: 100%;
    margin-top: 20px; /* Espace avant le bouton */
}

.ipr-template-list {
    flex-grow: 1; /* Prend l'espace restant */
    overflow-y: auto; /* Permet le scroll si trop de modèles */
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 colonnes par défaut */
    gap: 10px; /* Espace entre les boutons */
}

/* On s'assure que le titre de la catégorie prend toute la largeur */
.ipr-template-list .ipr-template-category-title {
    grid-column: 1 / -1; /* S'étend sur toutes les colonnes */
}

/* --- Responsive --- */
@media (max-width: 768px) {
    #ipr-editor-screen {
        flex-direction: column;
        height: auto;
    }
    .ipr-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
    .ipr-main-content {
        padding: 1rem;
    }
    .ipr-image-container {
        max-width: 100%;
        height: 60vh;
    }
    .ipr-action-bar { margin-top: 1rem; }
    .ipr-template-list {
        grid-template-columns: 1fr; /* 1 colonne */
    }
}