/* style.css */
:root {
    --color-background: #f8f9fa;
    --color-surface: #ffffff;
    --color-primary: #3498db;
    --color-primary-dark: #2980b9;
    --color-text: #34495e;
    --color-text-light: #7f8c8d;
    --color-border: #e0e0e0;
    --color-shadow: rgba(0,0,0,0.1);
    --color-favorite: #f1c40f;
}

body.dark-mode {
    --color-background: #2c3e50;
    --color-surface: #34495e;
    --color-primary: #5dade2;
    --color-primary-dark: #3498db;
    --color-text: #ecf0f1;
    --color-text-light: #bdc3c7;
    --color-border: #4a627a;
    --color-shadow: rgba(0,0,0,0.2);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    margin: 0;
    padding: 0.5rem;
    line-height: 1.7;
    background-image: url('background.jpeg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
    font-size: 16px;
}

.container {
    width: 75vw;
    max-width: 1050px;
    margin: 1rem auto;
    background: rgba(255, 255, 255, 0.5);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 30px var(--color-shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: background-color 0.3s;
}
body.dark-mode .container {
    background: rgba(44, 62, 80, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

header {
    text-align: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1.5rem;
}

header h1 { color: var(--color-text); font-weight: 700; margin: 0; }
header p { color: var(--color-text-light); font-size: 1.1em; margin-top: 0.5rem; }

.top-controls { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; gap: 1rem;}
.language-selector, .dark-mode-container { display: flex; align-items: center; gap: 0.5rem; }
#lang-select { padding: 5px 8px; border-radius: 5px; border: 1px solid var(--color-border); background-color: var(--color-surface); color: var(--color-text); }
.search-container { display: flex; gap: 0.5rem; width: 100%; }
#keyword-input { flex-grow: 1; padding: 12px 15px; border: 2px solid var(--color-border); border-radius: 8px; font-size: 1em; background-color: var(--color-surface); color: var(--color-text); transition: border-color 0.3s, box-shadow 0.3s; }
#keyword-input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 8px rgba(52, 152, 219, 0.2); }
#search-button { padding: 12px 15px; background-color: var(--color-primary); color: white; border: none; border-radius: 8px; cursor: pointer; font-size: 1em; transition: background-color 0.3s; }
#search-button:hover { background-color: var(--color-primary-dark); }

.counters {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 1rem;
    margin-bottom: 0;
    padding: 0 5px;
    font-weight: 600;
    color: var(--color-text-light);
    height: 1.5em;
    transition: color 0.3s;
}

#recipe-position-text {
    font-family: monospace;
    font-size: 1.1em;
}

.dark-mode-container { gap: 0.8rem; }
.switch { position: relative; display: inline-block; width: 50px; height: 28px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 4px; bottom: 4px; background-color: white; transition: .4s; }
input:checked + .slider { background-color: var(--color-primary); }
input:checked + .slider:before { transform: translateX(22px); }
.slider.round { border-radius: 34px; }
.slider.round:before { border-radius: 50%; }

.filter-controls { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 1.5rem; margin-bottom: 1rem; border-top: 1px solid var(--color-border); padding-top: 1.5rem; }
.category-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.category-filter {
    padding: 8px 15px;
    border-radius: 20px;
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    border: 3px solid transparent;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.category-filter[data-category="all"] { background-color: var(--color-primary-dark); }
.category-filter[data-category="dejeuner"] { background-color: #f1c40f; }
.category-filter[data-category="repas"] { background-color: #e74c3c; }
.category-filter[data-category="entree"] { background-color: #2ecc71; }
.category-filter[data-category="vegetarien"] { background-color: #1abc9c; }
.category-filter[data-category="asiatique"] { background-color: #9b59b6; }
.category-filter[data-category="philippin"] { background-color: #0057e7; }
.category-filter[data-category="diabetique"] { background-color: #5dade2; }
.category-filter[data-category="cuisine_italienne"] { background-color: #008C45; }
.category-filter[data-category="cuisine_mexicaine"] { background-color: #EF4135; }
.category-filter[data-category="cuisine_indienne"] { background-color: #FF9933; }
.category-filter[data-category="desserts_et_patisseries"] { background-color: #D81B60; }
.category-filter[data-category="soupes_ragouts_et_pains"] { background-color: #8D6E63; }
.category-filter[data-category="cuisine_francaise_classique"] { background-color: #303F9F; }
.category-filter[data-category="plats_principaux_americains"] { background-color: #B71C1C; }
.category-filter[data-category="petites_assiettes_et_tapas"] { background-color: #546E7A; }
.category-filter[data-category="boulangerie_et_viennoiserie"] { background-color: #AF8C52; }
.category-filter[data-category="cuisine_grecque_et_mediterraneenne"] { background-color: #003B6F; }


.category-filter:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.2);
    filter: brightness(1.1);
}

.category-filter.active {
    border-color: var(--color-favorite);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    transform: scale(1.1);
}

.category-filter.active:hover {
    transform: scale(1.1) translateY(-3px);
}

.favorites-button { padding: 8px 15px; border: 1px solid var(--color-favorite); border-radius: 20px; background-color: transparent; color: var(--color-favorite); cursor: pointer; transition: all 0.3s; font-weight: 600; }
.favorites-button:hover, .favorites-button.active { background-color: var(--color-favorite); color: var(--color-surface); }
.favorites-button .fa-star { font-family: "Font Awesome 6 Free"; }

#recipe-display-area {
    min-height: 400px;
    position: relative;
    margin-top: 1rem;
}

#recipe-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem; /* Ajout d'espace pour le bouton retour */
}

.recipe-title-item {
    background-color: var(--color-surface);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    border-left: 5px solid;
    box-shadow: 0 2px 8px var(--color-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.recipe-title-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px var(--color-shadow);
}

.recipe-title-item.dejeuner { border-left-color: #f1c40f; }
.recipe-title-item.repas { border-left-color: #e74c3c; }
.recipe-title-item.entree { border-left-color: #2ecc71; }
.recipe-title-item.vegetarien { border-left-color: #1abc9c; }
.recipe-title-item.asiatique { border-left-color: #9b59b6; }
.recipe-title-item.philippin { border-left-color: #0057e7; }
.recipe-title-item.diabetique { border-left-color: #5dade2; }
.recipe-title-item.cuisine_italienne { border-left-color: #008C45; }
.recipe-title-item.cuisine_mexicaine { border-left-color: #EF4135; }
.recipe-title-item.cuisine_indienne { border-left-color: #FF9933; }
.recipe-title-item.desserts_et_patisseries { border-left-color: #D81B60; }
.recipe-title-item.soupes_ragouts_et_pains { border-left-color: #8D6E63; }
.recipe-title-item.cuisine_francaise_classique { border-left-color: #303F9F; }
.recipe-title-item.plats_principaux_americains { border-left-color: #B71C1C; }
.recipe-title-item.petites_assiettes_et_tapas { border-left-color: #546E7A; }
.recipe-title-item.boulangerie_et_viennoiserie { border-left-color: #AF8C52; }
.recipe-title-item.cuisine_grecque_et_mediterraneenne { border-left-color: #003B6F; }

.recipe-card {
    background: var(--color-surface);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px var(--color-shadow);
    border-top: 5px solid var(--color-border);
    display: flex;
    flex-direction: column;
    width: 100%;
    box-sizing: border-box;
}

.card-actions { position: absolute; top: 1rem; right: 1rem; display: flex; gap: 0.5rem; z-index: 10; }
.card-action-btn { background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--color-text-light); transition: color 0.2s, transform 0.2s; padding: 5px; }
.card-action-btn:hover { transform: scale(1.2); }
.card-action-btn .fa-print:hover { color: var(--color-primary); }
.card-action-btn .fa-image:hover { color: #2ecc71; }
.card-action-btn .fa-heart { font-family: "Font Awesome 6 Free"; }
.card-action-btn.favorite .fa-heart { font-weight: 900; color: var(--color-favorite); }

.recipe-card.dejeuner { border-top-color: #f1c40f; }
.recipe-card.repas { border-top-color: #e74c3c; }
.recipe-card.entree { border-top-color: #2ecc71; }
.recipe-card.vegetarien { border-top-color: #1abc9c; }
.recipe-card.asiatique { border-top-color: #9b59b6; }
.recipe-card.philippin { border-top-color: #0057e7; }
.recipe-card.diabetique { border-top-color: #5dade2; }
.recipe-card.cuisine_italienne { border-top-color: #008C45; }
.recipe-card.cuisine_mexicaine { border-top-color: #EF4135; }
.recipe-card.cuisine_indienne { border-top-color: #FF9933; }
.recipe-card.desserts_et_patisseries { border-top-color: #D81B60; }
.recipe-card.soupes_ragouts_et_pains { border-top-color: #8D6E63; }
.recipe-card.cuisine_francaise_classique { border-top-color: #303F9F; }
.recipe-card.plats_principaux_americains { border-top-color: #B71C1C; }
.recipe-card.petites_assiettes_et_tapas { border-top-color: #546E7A; }
.recipe-card.boulangerie_et_viennoiserie { border-top-color: #AF8C52; }
.recipe-card.cuisine_grecque_et_mediterraneenne { border-top-color: #003B6F; }

.recipe-card h2 { margin-top: 0; font-size: 1.3em; color: var(--color-text); padding-right: 80px; }
.recipe-card h3 { font-size: 1.1em; margin-top: 1rem; margin-bottom: 0.5rem; color: var(--color-primary); border-bottom: 2px solid var(--color-border); padding-bottom: 0.3rem; font-weight: 600; }
.recipe-card ul, .recipe-card ol { padding-left: 20px; margin-bottom: 0; color: var(--color-text); }
.recipe-card li { margin-bottom: 0.4rem; }
.info-message { text-align: center; padding: 2rem; font-size: 1.1em; color: var(--color-text-light); }
footer { text-align: center; margin-top: 2rem; color: var(--color-text-light); }

.fixed-nav-button {
    display: none;
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    background-color: rgba(52, 73, 94, 0.7);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
}

.fixed-nav-button.visible {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
}
.fixed-nav-button:hover { background-color: var(--color-primary); transform: translateY(-50%) scale(1.1); }
#fixed-prev-button { left: 20px; }
#fixed-next-button { right: 20px; }

/* --- STYLES POUR L'EFFET LIVRE 3D --- */
#single-card-container {
    transition: opacity 0.2s ease-in-out;
    position: relative;
    min-height: 500px;
}

#single-card-container.fading-out {
    opacity: 0;
}

/* Support 3D pour les navigateurs */
@supports (transform-style: preserve-3d) {
    #single-card-container {
        transform-style: preserve-3d;
    }
    
    .recipe-card {
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
}

/* Animation pour l'effet livre - appliquée dynamiquement par JS */
.recipe-card.page-turning {
    transform-style: preserve-3d;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Ombres supplémentaires pour l'effet 3D */
@media (min-width: 1024px) {
    .single-recipe-view .recipe-card {
        box-shadow: 
            0 8px 30px var(--color-shadow),
            0 0 0 1px rgba(255,255,255,0.1),
            inset 0 1px 0 rgba(255,255,255,0.2);
    }
    
    body.dark-mode .single-recipe-view .recipe-card {
        box-shadow: 
            0 8px 30px var(--color-shadow),
            0 0 0 1px rgba(255,255,255,0.05),
            inset 0 1px 0 rgba(255,255,255,0.1);
    }
}

/* Optimisation hardware acceleration */
.recipe-card {
    will-change: transform;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

@media (min-width: 768px) {
    body {
        padding: 2rem;
        font-size: 18px;
    }

    .container {
        padding: 2rem 2.5rem;
    }

    .top-controls {
        flex-wrap: nowrap;
    }

    .search-container {
        width: auto;
        flex-grow: 1;
        margin: 0 2rem;
    }

    .filter-controls {
        justify-content: center;
        gap: 1.5rem;
    }
}

.single-recipe-view { display: flex; flex-direction: column; gap: 1.5rem; }
.single-recipe-view .recipe-card { transform: none; box-shadow: 0 8px 30px var(--color-shadow); }
.single-recipe-view .recipe-card:hover { transform: none; }

.back-button {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: background-color 0.3s;
    align-self: flex-start;
}
.back-button:hover { background-color: var(--color-primary-dark); }
.back-button .fa-solid { margin-right: 0.5rem; }

@media print {
    body > *:not(.container),
    .fixed-nav-button, .container header, .container footer,
    main > *:not(#recipe-display-area), .card-actions, .back-button,
    .controls-container, .search-container, .filter-controls, #recipe-counter-container {
        display: none !important;
    }
    body, #recipe-display-area, .single-recipe-view, #single-card-container, .recipe-card.card-to-print {
        display: block !important;
    }
    body, .container, main, #recipe-display-area {
        position: static !important;
        width: 100% !important;
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
        box-shadow: none !important;
        border: none !important;
        background: none !important;
        backdrop-filter: none !important;
        color: #000 !important;
    }
    .recipe-card:not(.card-to-print) { display: none !important; }
    .recipe-card.card-to-print {
        box-shadow: none !important; border: none !important; animation: none !important;
        page-break-inside: avoid; transform: none !important;
        -webkit-transform: none !important; border-top: 2px solid #000 !important;
    }
    .recipe-card.card-to-print * { color: #000 !important; }
}

/* RÈGLE UTILITAIRE */
.hidden {
    display: none !important;
}

/* --- AJOUT: STYLES POUR LA MODALE IMAGE --- */
.image-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    cursor: pointer;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.image-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    cursor: default;
}

.image-modal-content img {
    display: block;
    max-width: 100%;
    max-height: 90vh;
    border-radius: 8px;
    object-fit: contain;
}

.image-modal-close {
    position: absolute;
    top: -15px;
    right: 0px;
    font-size: 3rem;
    font-weight: bold;
    color: white;
    cursor: pointer;
    transition: transform 0.2s;
    text-shadow: 0 0 8px black;
}

.image-modal-close:hover {
    transform: scale(1.2);
}