/* Variables CSS pour la bibliothèque médiévale immersive */
:root {
    --library-bg: #0d1117;
    --wood-brown: #8b4513;
    --wood-dark: #654321;
    --wood-light: #a0522d;
    --parchment: #f4e8c1;
    --parchment-dark: #e8d7a8;
    --gold: #ffd700;
    --gold-dark: #b8860b;
    --brass: #cd7f32;
    --leather-brown: #4a2c2a;
    --leather-dark: #2e1b19;
    --text-primary: #e6ddd4;
    --text-secondary: #c9b99b;
    --text-accent: #ffd700;
    --fire-orange: #ff4500;
    --fire-red: #dc143c;
    --shadow-book: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-shelf: 0 2px 10px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(255, 215, 0, 0.3);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --book-width: 60px;
    --book-height: 180px;
    --scroll-width: 45px;
    --scroll-height: 140px;
}

/* Reset et base pour la bibliothèque */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Crimson Text', serif;
    background: var(--library-bg);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 69, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, #0d1117 0%, #1a1a2e 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Effet de chandelles vacillantes */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 10% 20%, rgba(255, 69, 0, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 90% 20%, rgba(255, 69, 0, 0.08) 0%, transparent 40%),
        radial-gradient(ellipse at 30% 80%, rgba(255, 69, 0, 0.06) 0%, transparent 30%),
        radial-gradient(ellipse at 70% 80%, rgba(255, 69, 0, 0.04) 0%, transparent 30%);
    animation: candleFlicker 4s ease-in-out infinite alternate;
    z-index: -2;
    pointer-events: none;
}

/* Particules de poussière magique */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(1px 1px at 20px 30px, rgba(255, 215, 0, 0.3), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(255, 215, 0, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 215, 0, 0.25), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255, 215, 0, 0.15), transparent),
        radial-gradient(1px 1px at 160px 30px, rgba(255, 215, 0, 0.2), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: magicDust 25s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes candleFlicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes magicDust {
    0% { transform: translateY(100vh) translateX(0); }
    100% { transform: translateY(-100px) translateX(20px); }
}

/* Container principal */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
}

/* Header de la bibliothèque */
.header {
    background: linear-gradient(180deg, var(--wood-brown) 0%, var(--wood-dark) 100%);
    border-bottom: 4px solid var(--brass);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-shelf);
    position: sticky;
    top: 0;
    z-index: 1000;
    background-image: 
        repeating-linear-gradient(90deg, 
            transparent, 
            transparent 2px, 
            rgba(0, 0, 0, 0.1) 2px, 
            rgba(0, 0, 0, 0.1) 4px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
}

.app-title {
    font-family: 'Cinzel', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gold);
    text-shadow: 
        2px 2px 4px rgba(0, 0, 0, 0.8),
        0 0 10px rgba(255, 215, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 1rem;
    letter-spacing: 2px;
}

.app-title i {
    font-size: 2rem;
    filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.7));
    animation: bookGlow 3s ease-in-out infinite alternate;
}

@keyframes bookGlow {
    0% { filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5)); }
    100% { filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.8)); }
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.document-count {
    background: var(--accent-bg);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-accent);
}

/* Main container - la grande bibliothèque avec onglets */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
    background: linear-gradient(180deg, var(--library-bg) 0%, #1a1a2e 100%);
}

/* Container des onglets médiévaux */
.tabs-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Navigation des onglets - Style grimoire ancien */
.tab-navigation {
    display: flex;
    background: linear-gradient(180deg, var(--wood-brown) 0%, var(--wood-dark) 100%);
    border-bottom: 4px solid var(--brass);
    padding: 0 2rem;
    position: relative;
    box-shadow: 
        inset 0 -2px 0 rgba(0, 0, 0, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.4);
    background-image: 
        repeating-linear-gradient(90deg, 
            transparent, 
            transparent 2px, 
            rgba(0, 0, 0, 0.1) 2px, 
            rgba(0, 0, 0, 0.1) 4px);
}

/* Boutons d'onglets - Style parchemin magique */
.tab-button {
    position: relative;
    background: linear-gradient(180deg, var(--parchment) 0%, var(--parchment-dark) 100%);
    border: none;
    padding: 1rem 2rem;
    margin: 0.5rem 0.25rem 0;
    border-radius: 15px 15px 0 0;
    font-family: 'Cinzel', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--wood-dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 150px;
    justify-content: center;
    box-shadow: 
        0 -2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    border-bottom: 3px solid transparent;
    overflow: hidden;
}

.tab-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(205, 127, 50, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
    transition: var(--transition);
    z-index: -1;
}

.tab-button:hover::before {
    background: 
        radial-gradient(circle at 30% 30%, rgba(205, 127, 50, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
}

.tab-button.active {
    background: linear-gradient(180deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--wood-dark);
    border-bottom: 3px solid var(--brass);
    box-shadow: 
        0 -4px 12px rgba(255, 215, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        0 0 20px rgba(255, 215, 0, 0.3);
    transform: translateY(-2px);
}

.tab-button.active .tab-glow {
    opacity: 1;
}

.tab-icon {
    font-size: 1.2rem;
    transition: var(--transition);
}

.tab-button:hover .tab-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
}

.tab-button.active .tab-icon {
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.8));
    animation: iconGlow 2s ease-in-out infinite alternate;
}

@keyframes iconGlow {
    0% { filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.8)); }
    100% { filter: drop-shadow(0 0 15px rgba(255, 215, 0, 1)); }
}

.tab-text {
    transition: var(--transition);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.tab-button.active .tab-text {
    text-shadow: 
        1px 1px 2px rgba(0, 0, 0, 0.5),
        0 0 8px rgba(255, 215, 0, 0.6);
}

.tab-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
    z-index: -1;
}

/* Indicateur d'onglet actif */
.tab-indicator {
    position: absolute;
    bottom: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold) 0%, var(--brass) 50%, var(--gold) 100%);
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
    border-radius: 2px 2px 0 0;
}

/* Contenu des onglets */
.tab-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: linear-gradient(180deg, var(--library-bg) 0%, #1a1a2e 100%);
}

/* Panels individuels des onglets */
.tab-pane {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transform: translateX(0);
    transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: linear-gradient(180deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    background-image: 
        repeating-linear-gradient(0deg, 
            transparent, 
            transparent 3px, 
            rgba(0, 0, 0, 0.1) 3px, 
            rgba(0, 0, 0, 0.1) 6px);
    visibility: hidden;
    z-index: 0;
}

.tab-pane.active {
    opacity: 1;
    transform: translateX(0);
    visibility: visible;
    z-index: 1;
}

.tab-pane.fade-in {
    opacity: 1;
    transform: translateX(0);
    visibility: visible;
    z-index: 1;
}

.tab-pane.fade-out {
    opacity: 0;
    transform: translateX(0);
    visibility: hidden;
    z-index: 0;
}

/* Header des onglets */
.tab-header {
    padding: 2rem;
    background: linear-gradient(180deg, var(--wood-brown) 0%, var(--wood-dark) 100%);
    border-bottom: 3px solid var(--brass);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 
        inset 0 -2px 0 rgba(0, 0, 0, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.4);
}

.tab-header h2 {
    font-family: 'Cinzel', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold);
    text-shadow: 
        2px 2px 4px rgba(0, 0, 0, 0.8),
        0 0 10px rgba(255, 215, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tab-header h2 i {
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.7));
}

/* Contenu spécifique des onglets */
#sage-tab .chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    margin: 0;
}

#sage-tab .chat-input-container {
    padding: 1.5rem;
    background: var(--leather-dark);
    border-top: 2px solid var(--brass);
}

#search-tab .search-results {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
}

#library-tab .document-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
}

/* Styles pour les contrôles dans les headers */
.tab-header .document-controls {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    align-items: stretch;
}

.tab-header .document-controls > div:first-child {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Barre de recherche de bibliothèque */
.library-search-box {
    display: flex;
    align-items: center;
    position: relative;
    flex: 1;
    min-width: 300px;
}

.library-search-input {
    flex: 1;
    background: linear-gradient(135deg, var(--parchment) 0%, var(--parchment-dark) 100%);
    border: 2px solid var(--brass);
    border-radius: 25px;
    padding: 0.8rem 1rem;
    color: var(--leather-dark);
    font-family: 'Crimson Text', serif;
    transition: var(--transition);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}

.library-search-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 
        inset 0 2px 5px rgba(0, 0, 0, 0.1),
        0 0 0 3px rgba(255, 215, 0, 0.2);
    background: #fff;
}

.library-search-input::placeholder {
    color: var(--wood-brown);
    font-style: italic;
}

/* Bouton effacer recherche */
.btn.btn-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--wood-brown);
    padding: 4px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
}

.btn.btn-clear:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--leather-dark);
}

/* Contrôles de tri */
.library-sort-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.library-sort-controls label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.sort-select {
    background: linear-gradient(135deg, var(--parchment) 0%, var(--parchment-dark) 100%);
    border: 2px solid var(--brass);
    border-radius: 15px;
    padding: 0.5rem 0.8rem;
    color: var(--leather-dark);
    font-family: 'Crimson Text', serif;
    transition: var(--transition);
    cursor: pointer;
    min-width: 150px;
}

.sort-select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.sort-select option {
    background: var(--parchment);
    color: var(--leather-dark);
    padding: 0.5rem;
}

.tab-header .document-count {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    border: 1px solid var(--brass);
    font-weight: 600;
    color: var(--gold);
    font-size: 0.9rem;
    white-space: nowrap;
}

#filteredCount {
    color: var(--text-accent);
    font-style: italic;
}

/* Contrôles de tri pour la recherche */
.search-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.search-sort-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.search-sort-controls label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Ajustements responsives pour les onglets */
@media (max-width: 768px) {
    .tab-navigation {
        padding: 0 1rem;
    }
    
    .tab-button {
        min-width: 120px;
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .tab-header {
        padding: 1.5rem;
        flex-direction: row;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .tab-header h2 {
        font-size: 1.5rem;
    }
}

/* Ajout d'étagères en arrière-plan */
.right-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(0deg, var(--wood-brown) 0px, var(--wood-brown) 8px, transparent 8px, transparent 100px),
        linear-gradient(0deg, var(--wood-brown) 200px, var(--wood-brown) 208px, transparent 208px, transparent 300px),
        linear-gradient(0deg, var(--wood-brown) 400px, var(--wood-brown) 408px, transparent 408px, transparent 500px);
    background-size: 100% 500px;
    z-index: 1;
    pointer-events: none;
    opacity: 0.3;
}

/* Styles pour l'onglet recherche par mots-clés */
#keyword-search-tab .search-results {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
}

.keyword-search-filters {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-left: 1rem;
}

.keyword-search-filters label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--parchment);
    font-size: 0.9rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.keyword-search-filters label:hover {
    color: var(--gold);
}

.keyword-search-filters input[type="checkbox"] {
    accent-color: var(--brass);
    width: 16px;
    height: 16px;
}

.context-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--brass);
    border-radius: 6px;
}

.context-info i {
    color: var(--brass);
    font-size: 0.9rem;
}

.context-info span {
    color: var(--parchment);
    font-size: 0.85rem;
    font-style: italic;
}

.keyword-result-item {
    background: var(--leather-brown);
    border: 2px solid var(--brass);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.keyword-result-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--brass), var(--gold));
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.keyword-result-item:hover::before {
    transform: translateX(0);
}

.keyword-result-item:hover {
    background: var(--leather-dark);
    border-color: var(--gold);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(184, 134, 11, 0.3);
}

.keyword-result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.keyword-result-document {
    color: var(--gold);
    font-weight: 600;
    font-size: 1.1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.keyword-result-matches {
    background: var(--brass);
    color: var(--leather-dark);
    padding: 0.3rem 0.6rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.keyword-result-context {
    color: var(--parchment);
    line-height: 1.6;
    margin-bottom: 0.5rem;
    font-family: 'Crimson Text', serif;
}

.keyword-highlight {
    background: var(--gold);
    color: var(--leather-dark);
    padding: 0.1rem 0.2rem;
    border-radius: 3px;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Styles pour les surlignages de mots-clés dans les documents ouverts */
.keyword-text-highlight {
    padding: 0.2rem 0.3rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.keyword-text-highlight.primary {
    background: var(--fire-orange);
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 69, 0, 0.5);
    animation: keywordPulse 2s ease-in-out infinite;
}

.keyword-text-highlight.secondary {
    background: var(--gold);
    color: var(--leather-dark);
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.4);
}

.keyword-line-highlight {
    background: rgba(255, 215, 0, 0.1) !important;
    border-left: 4px solid var(--gold) !important;
    padding-left: 1rem !important;
    animation: lineHighlightFade 3s ease-out forwards;
}

@keyframes keywordPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

@keyframes lineHighlightFade {
    0% { 
        background: rgba(255, 215, 0, 0.3);
        border-left-color: var(--fire-orange);
    }
    100% { 
        background: rgba(255, 215, 0, 0.1);
        border-left-color: var(--gold);
    }
}

.keyword-result-line {
    color: var(--brass);
    font-size: 0.85rem;
    font-style: italic;
    text-align: right;
    margin-top: 0.5rem;
}

/* Animation pour les résultats de recherche par mots-clés */
.keyword-result-item {
    opacity: 0;
    animation: keywordResultSlide 0.5s ease-out forwards;
}

@keyframes keywordResultSlide {
    from {
        opacity: 0;
        transform: translateX(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* Section chat dans le style parchemin ancien */
.chat-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    border-bottom: 3px solid var(--brass);
    background: linear-gradient(135deg, var(--parchment) 0%, var(--parchment-dark) 100%);
    border-radius: 15px 15px 0 0;
    margin: 10px;
    box-shadow: 
        inset 0 4px 8px rgba(0, 0, 0, 0.1),
        0 4px 15px rgba(0, 0, 0, 0.3);
}

.chat-header {
    padding: 1rem;
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    border-bottom: 2px solid var(--brass);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 15px 15px 0 0;
}

.chat-header h3 {
    font-family: 'Cinzel', serif;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 0;
    background: var(--parchment);
}

.message {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    animation: messageSlide 0.5s ease-out;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateX(-30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.message-content {
    padding: 1rem;
    border-radius: 15px;
    line-height: 1.6;
    position: relative;
    font-family: 'Crimson Text', serif;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.ai-message .message-content {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    border: 2px solid var(--brass);
    color: var(--parchment);
    margin-right: 2rem;
    position: relative;
}

.ai-message .message-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -10px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 10px 8px 0;
    border-color: transparent var(--leather-dark) transparent transparent;
}

.human-message .message-content {
    background: linear-gradient(135deg, #f4e8c1 0%, #e8d7a8 100%);
    border: 2px solid var(--gold-dark);
    color: var(--leather-dark);
    margin-left: 2rem;
    align-self: flex-end;
}

.human-message .message-content::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -10px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 0 8px 10px;
    border-color: transparent transparent transparent #e8d7a8;
}

.ai-message .message-content i {
    color: var(--gold);
    margin-right: 0.5rem;
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.4));
}

.chat-input-container {
    padding: 1rem;
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    border-radius: 0 0 15px 15px;
}

/* Section résultats de recherche */
.search-results-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: linear-gradient(135deg, var(--parchment) 0%, var(--parchment-dark) 100%);
    border-radius: 15px;
    margin: 10px;
    box-shadow: 
        inset 0 4px 8px rgba(0, 0, 0, 0.1),
        0 4px 15px rgba(0, 0, 0, 0.3);
}

.results-header {
    padding: 1rem;
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    border-bottom: 2px solid var(--brass);
    border-radius: 15px 15px 0 0;
}

.results-header h3 {
    font-family: 'Cinzel', serif;
    color: var(--gold);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
}

.search-results {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    min-height: 0;
    background: var(--parchment);
}

.search-result-item {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    border: 2px solid var(--brass);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    color: var(--parchment);
}

.search-result-item:hover {
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold-dark) 100%);
    border-color: var(--gold);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px) scale(1.02);
    color: var(--library-bg);
}

.result-document {
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 0.5rem;
    font-family: 'Cinzel', serif;
}

.result-extract {
    color: var(--parchment);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.search-result-item:hover .result-extract {
    color: var(--library-bg);
}

.result-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.relevance-score {
    background: var(--gold);
    color: var(--library-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.7rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.no-results {
    text-align: center;
    color: var(--leather-dark);
    padding: 2rem;
}

.no-results i {
    font-size: 3rem;
    color: var(--brass);
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 0 10px rgba(205, 127, 50, 0.4));
}

/* Message aucun document trouvé (pour le filtrage) */
.no-documents {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem 2rem;
    margin: 2rem;
    background: rgba(0, 0, 0, 0.2);
    border: 2px dashed var(--brass);
    border-radius: 15px;
}

.no-documents i {
    font-size: 3rem;
    color: var(--brass);
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 0 10px rgba(205, 127, 50, 0.4));
    animation: pulse 2s infinite ease-in-out;
}

.no-documents p {
    font-style: italic;
    font-size: 1.1rem;
}

@keyframes pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Document panel - Header des documents */
.document-header {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--wood-brown) 0%, var(--wood-dark) 100%);
    border-bottom: 3px solid var(--brass);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-shelf);
    position: relative;
    z-index: 2;
    background-image: 
        repeating-linear-gradient(90deg, 
            transparent, 
            transparent 2px, 
            rgba(0, 0, 0, 0.1) 2px, 
            rgba(0, 0, 0, 0.1) 4px);
}

.document-header h3 {
    font-family: 'Cinzel', serif;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
    font-size: 1.4rem;
}

/* Navigation des documents - Bibliothèque avec livres et parchemins */
.document-nav {
    background: linear-gradient(180deg, var(--wood-light) 0%, var(--wood-brown) 100%);
    border-bottom: 3px solid var(--brass);
    max-height: none;
    overflow-y: auto;
    padding: 20px;
    position: relative;
    z-index: 2;
}

.nav-section h4 {
    padding: 1rem;
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold-dark) 100%);
    color: var(--library-bg);
    font-family: 'Cinzel', serif;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 8px;
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    box-shadow: var(--shadow-book);
}

/* Container pour les étagères de livres - Style réaliste */
.document-tree {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--book-width), 1fr));
    gap: 2px;
    padding: 25px 15px 15px;
    background: linear-gradient(180deg, 
        #3d2f2a 0%, 
        #2e201c 30%, 
        #1a100e 70%, 
        #0f0a09 100%);
    border-radius: 8px;
    box-shadow: 
        inset 0 8px 16px rgba(0, 0, 0, 0.5),
        inset 0 -4px 8px rgba(0, 0, 0, 0.3),
        0 4px 16px rgba(0, 0, 0, 0.4);
    position: relative;
    min-height: 220px;
    border: 2px solid #2e201c;
}

/* Effet d'étagère en bois - Plus réaliste */
.document-tree::before {
    content: '';
    position: absolute;
    bottom: -3px;
    left: -2px;
    right: -2px;
    height: 6px;
    background: linear-gradient(180deg, 
        #4a3428 0%, 
        #3d2a1f 30%, 
        #2e1f16 70%, 
        #1f150e 100%);
    border-radius: 0 0 8px 8px;
    box-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.3),
        inset 0 1px 2px rgba(139, 69, 19, 0.2);
}

/* Grain du bois de l'étagère */
.document-tree::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(90deg, 
            transparent, 
            transparent 3px, 
            rgba(0, 0, 0, 0.1) 3px, 
            rgba(0, 0, 0, 0.1) 6px,
            transparent 6px,
            transparent 12px),
        repeating-linear-gradient(0deg, 
            transparent, 
            transparent 20px, 
            rgba(139, 69, 19, 0.05) 20px, 
            rgba(139, 69, 19, 0.05) 22px);
    pointer-events: none;
    border-radius: 8px;
}

/* Styles pour les dossiers de documents */
.document-folder {
    margin-bottom: 1.5rem;
}

.folder-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    background: linear-gradient(135deg, var(--wood-brown) 0%, var(--wood-dark) 100%);
    border-radius: 8px;
    margin-bottom: 0.8rem;
    border: 1px solid var(--brass);
    box-shadow: var(--shadow-shelf);
    cursor: pointer;
    transition: var(--transition);
}

.folder-header:hover {
    background: linear-gradient(135deg, var(--wood-light) 0%, var(--wood-brown) 100%);
    box-shadow: var(--shadow-glow);
}

.folder-header i {
    color: var(--gold);
    font-size: 1.1rem;
}

.folder-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
    flex: 1;
}

.folder-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    border: 1px solid var(--brass);
}

.folder-documents {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0 1rem;
}

/* Message aucun document trouvé */
.no-documents {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 2px dashed var(--brass);
}

.no-documents i {
    font-size: 3rem;
    color: var(--brass);
    margin-bottom: 1rem;
    display: block;
    opacity: 0.7;
}

.no-documents p {
    font-size: 1.1rem;
    font-style: italic;
}

.document-item {
    opacity: 0;
}

/* Style pour les livres (fichiers longs) - Design réaliste dark fantasy */
.document-item.book {
    width: var(--book-width);
    height: var(--book-height);
    background: linear-gradient(135deg, 
        #2d1b1b 0%, 
        #3d2626 20%, 
        #4a2f2f 50%, 
        #3d2626 80%, 
        #2d1b1b 100%);
    border: 1px solid #1a1a1a;
    border-left: 3px solid var(--brass);
    border-radius: 0 3px 3px 0;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 8px 4px;
    box-shadow: 
        2px 0 8px rgba(0, 0, 0, 0.4),
        inset -1px 0 2px rgba(0, 0, 0, 0.3),
        inset 1px 0 1px rgba(255, 255, 255, 0.1);
    transform-origin: bottom center;
    overflow: hidden;
    z-index: 9;
    opacity: 1;
}

/* Variations de couleurs pour les livres - Tons sombres et réalistes */
.document-item.book:nth-child(2n) {
    background: linear-gradient(135deg, #1a2b1a 0%, #243324 20%, #2d402d 50%, #243324 80%, #1a2b1a 100%);
    border-left-color: #4a5c4a;
}

.document-item.book:nth-child(3n) {
    background: linear-gradient(135deg, #2a1a2b 0%, #342433 20%, #402d40 50%, #342433 80%, #2a1a2b 100%);
    border-left-color: #5c4a5c;
}

.document-item.book:nth-child(4n) {
    background: linear-gradient(135deg, #2b2a1a 0%, #333324 20%, #40402d 50%, #333324 80%, #2b2a1a 100%);
    border-left-color: var(--brass);
}

.document-item.book:nth-child(5n) {
    background: linear-gradient(135deg, #1a2b2b 0%, #243333 20%, #2d4040 50%, #243333 80%, #1a2b2b 100%);
    border-left-color: #4a5c5c;
}

.document-item.book:nth-child(6n) {
    background: linear-gradient(135deg, #2b1a1a 0%, #332424 20%, #402d2d 50%, #332424 80%, #2b1a1a 100%);
    border-left-color: #5c4a4a;
}

/* Titre sur la tranche du livre - Style élégant */
.book .doc-name {
    font-family: 'Cinzel', serif;
    font-size: 9px;
    font-weight: 600;
    color: var(--parchment);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.9);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    text-align: center;
    line-height: 1.1;
    max-height: 140px;
    overflow: hidden;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    opacity: 1;
}

/* Effet de dorure sur la tranche - Plus subtil */
.book::before {
    content: '';
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 1px;
    width: 1px;
    background: linear-gradient(180deg, 
        rgba(205, 127, 50, 0.8) 0%, 
        rgba(139, 69, 19, 0.6) 30%, 
        rgba(205, 127, 50, 0.8) 50%, 
        rgba(139, 69, 19, 0.6) 70%, 
        rgba(205, 127, 50, 0.8) 100%);
    border-radius: 0.5px;
}

/* Effet de texture cuir */
.book::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, 
            transparent, 
            transparent 1px, 
            rgba(0, 0, 0, 0.05) 1px, 
            rgba(0, 0, 0, 0.05) 2px),
        repeating-linear-gradient(-45deg, 
            transparent, 
            transparent 1px, 
            rgba(255, 255, 255, 0.02) 1px, 
            rgba(255, 255, 255, 0.02) 2px);
    pointer-events: none;
}

/* Animation au survol des livres - Plus subtile */
.book:hover {
    transform: translateY(-8px) translateX(2px);
    box-shadow: 
        3px 0 12px rgba(0, 0, 0, 0.5),
        inset -2px 0 4px rgba(0, 0, 0, 0.4),
        inset 2px 0 2px rgba(255, 255, 255, 0.15),
        0 8px 25px rgba(0, 0, 0, 0.3);
    z-index: 10;
    border-left-width: 4px;
}

.book:hover .doc-name {
    color: var(--gold);
    text-shadow: 
        1px 1px 2px rgba(0, 0, 0, 0.9),
        0 0 8px rgba(255, 215, 0, 0.4);
    opacity: 1;
}

/* Style pour les parchemins (fichiers courts) - Design réaliste dark fantasy amélioré */
.document-item.scroll {
    width: var(--scroll-width);
    height: var(--scroll-height);
    background: linear-gradient(135deg, 
        #f8f5e8 0%, 
        #f0ebd7 15%, 
        #e9e1cc 35%, 
        #e2d6bf 55%, 
        #dbcbb2 75%, 
        #d4c0a5 90%, 
        #cdb598 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        3px 6px 15px rgba(0, 0, 0, 0.35),
        inset 1px 1px 3px rgba(255, 255, 255, 0.4),
        inset -1px -1px 3px rgba(139, 69, 19, 0.15),
        0 0 0 1px rgba(139, 69, 19, 0.2);
    margin: 0 auto;
    overflow: hidden;
    transform-style: preserve-3d;
    z-index: 9;
    opacity: 1;
}

/* Texture parchemin améliorée avec vieillissement réaliste */
.scroll::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        /* Taches d'encre et vieillissement */
        radial-gradient(circle at 25% 20%, rgba(139, 69, 19, 0.08) 2px, transparent 4px),
        radial-gradient(circle at 75% 40%, rgba(160, 82, 45, 0.06) 1px, transparent 3px),
        radial-gradient(circle at 15% 70%, rgba(139, 69, 19, 0.05) 3px, transparent 5px),
        radial-gradient(circle at 85% 80%, rgba(101, 67, 33, 0.07) 2px, transparent 4px),
        /* Texture fibreuse du papier */
        linear-gradient(45deg, 
            transparent 48%, 
            rgba(139, 69, 19, 0.03) 49%, 
            rgba(139, 69, 19, 0.04) 50%, 
            rgba(139, 69, 19, 0.03) 51%, 
            transparent 52%),
        linear-gradient(-45deg, 
            transparent 48%, 
            rgba(160, 82, 45, 0.02) 49%, 
            rgba(160, 82, 45, 0.03) 50%, 
            rgba(160, 82, 45, 0.02) 51%, 
            transparent 52%),
        /* Effet de grain du parchemin */
        repeating-linear-gradient(90deg, 
            transparent 0px, 
            rgba(139, 69, 19, 0.01) 1px, 
            transparent 2px),
        repeating-linear-gradient(0deg, 
            transparent 0px, 
            rgba(139, 69, 19, 0.01) 1px, 
            transparent 3px);
    background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 3px 3px, 4px 4px, 2px 2px, 3px 3px;
    border-radius: 8px;
    pointer-events: none;
    mix-blend-mode: multiply;
}

/* Bords roulés du parchemin avec ficelle */
.scroll::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 3px;
    right: 3px;
    bottom: 6px;
    border-radius: 6px;
    background: 
        /* Ficelle de maintien */
        linear-gradient(180deg, 
            transparent 20%, 
            rgba(101, 67, 33, 0.6) 22%, 
            rgba(139, 69, 19, 0.8) 23%, 
            rgba(101, 67, 33, 0.6) 24%, 
            transparent 26%,
            transparent 74%,
            rgba(101, 67, 33, 0.6) 76%,
            rgba(139, 69, 19, 0.8) 77%,
            rgba(101, 67, 33, 0.6) 78%,
            transparent 80%),
        /* Bordures intérieures */
        linear-gradient(90deg, 
            rgba(139, 69, 19, 0.1) 0%, 
            transparent 3px, 
            transparent calc(100% - 3px), 
            rgba(139, 69, 19, 0.1) 100%),
        linear-gradient(180deg, 
            rgba(139, 69, 19, 0.1) 0%, 
            transparent 3px, 
            transparent calc(100% - 3px), 
            rgba(139, 69, 19, 0.1) 100%);
    box-shadow: 
        inset 0 2px 4px rgba(255, 255, 255, 0.2),
        inset 0 -2px 4px rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

.scroll .doc-name {
    font-family: 'Cinzel', serif;
    font-size: 8px;
    font-weight: 600;
    color: #3a2a1f;
    text-align: center;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    max-height: 90px;
    overflow: hidden;
    line-height: 1.3;
    text-shadow: 
        1px 1px 2px rgba(255, 255, 255, 0.5),
        0 0 2px rgba(139, 69, 19, 0.3);
    letter-spacing: 0.5px;
    z-index: 4;
    position: relative;
    padding: 8px 2px;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

/* Animation au survol des parchemins - Plus immersive */
.scroll:hover {
    transform: translateY(-6px) scale(1.08) rotateX(5deg);
    box-shadow: 
        4px 8px 20px rgba(0, 0, 0, 0.35),
        inset 2px 2px 6px rgba(255, 255, 255, 0.5),
        inset -2px -2px 6px rgba(139, 69, 19, 0.2),
        0 0 0 2px rgba(139, 69, 19, 0.3),
        0 0 25px rgba(255, 215, 0, 0.15),
        0 0 40px rgba(255, 235, 180, 0.08);
    background: linear-gradient(135deg, 
        #faf7ea 0%, 
        #f2edda 15%, 
        #ebe3ce 35%, 
        #e4d8c1 55%, 
        #ddcdb4 75%, 
        #d6c2a7 90%, 
        #cfb79a 100%);
    animation: scrollGlow 2s ease-in-out infinite alternate;
}

@keyframes scrollGlow {
    0% {
        box-shadow: 
            4px 8px 20px rgba(0, 0, 0, 0.35),
            inset 2px 2px 6px rgba(255, 255, 255, 0.5),
            inset -2px -2px 6px rgba(139, 69, 19, 0.2),
            0 0 0 2px rgba(139, 69, 19, 0.3),
            0 0 25px rgba(255, 215, 0, 0.15),
            0 0 40px rgba(255, 235, 180, 0.08);
    }
    100% {
        box-shadow: 
            4px 8px 20px rgba(0, 0, 0, 0.35),
            inset 2px 2px 6px rgba(255, 255, 255, 0.5),
            inset -2px -2px 6px rgba(139, 69, 19, 0.2),
            0 0 0 2px rgba(139, 69, 19, 0.3),
            0 0 30px rgba(255, 215, 0, 0.2),
            0 0 50px rgba(255, 235, 180, 0.12);
    }
}

.scroll:hover .doc-name {
    color: #2d1f14;
    text-shadow: 
        1px 1px 3px rgba(255, 255, 255, 0.6),
        0 0 4px rgba(255, 215, 0, 0.3),
        0 0 8px rgba(255, 215, 0, 0.1);
    transform: scale(1.02);
}

/* Sceau de cire amélioré - Créé dynamiquement via JavaScript */
.scroll {
    overflow: visible; /* Pour permettre au sceau de dépasser */
}

.wax-seal {
    position: absolute;
    top: 45%;
    right: -12px;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, 
        #a03041 0%, 
        #8b2635 25%, 
        #7a1e2a 60%, 
        #5d1620 90%, 
        #4a1118 100%);
    border-radius: 50%;
    box-shadow: 
        3px 4px 10px rgba(0, 0, 0, 0.5),
        inset 1px 1px 3px rgba(255, 100, 120, 0.3),
        inset -1px -1px 3px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(139, 38, 53, 0.8);
    transform: translateY(-50%) rotate(12deg);
    z-index: 5;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: rgba(255, 215, 0, 0.9);
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    cursor: pointer;
}

/* Animation du sceau au survol */
.scroll:hover .wax-seal {
    transform: translateY(-50%) rotate(30deg) scale(1.2);
    box-shadow: 
        4px 6px 12px rgba(0, 0, 0, 0.6),
        inset 2px 2px 4px rgba(255, 120, 140, 0.4),
        inset -2px -2px 4px rgba(0, 0, 0, 0.5),
        0 0 0 2px rgba(139, 38, 53, 0.9),
        0 0 20px rgba(160, 48, 65, 0.4);
    color: rgba(255, 230, 50, 1);
}

/* Le sceau sera ajouté via JavaScript */

/* Icônes cachées pour les livres et parchemins */
.book .doc-icon,
.scroll .doc-icon {
    display: none;
}

/* Métadonnées cachées pour livres et parchemins */
.book .doc-meta,
.scroll .doc-meta {
    display: none;
}

/* États actifs pour livres et parchemins - Style réaliste */
.book.active {
    transform: translateY(-8px) translateX(3px);
    box-shadow: 
        4px 0 16px rgba(0, 0, 0, 0.6),
        inset -3px 0 6px rgba(0, 0, 0, 0.5),
        inset 3px 0 3px rgba(255, 255, 255, 0.2),
        0 12px 30px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(255, 215, 0, 0.3);
    border-left-width: 5px;
    border-left-color: var(--gold);
    z-index: 15;
}

.book.active .doc-name {
    color: var(--gold);
    text-shadow: 
        1px 1px 2px rgba(0, 0, 0, 0.9),
        0 0 12px rgba(255, 215, 0, 0.6);
    opacity: 1;
}

.scroll.active {
    transform: translateY(-8px) scale(1.12) rotateX(8deg);
    box-shadow: 
        5px 10px 25px rgba(0, 0, 0, 0.4),
        inset 2px 3px 8px rgba(255, 255, 255, 0.6),
        inset -2px -3px 8px rgba(139, 69, 19, 0.25),
        0 0 0 3px rgba(255, 215, 0, 0.4),
        0 0 35px rgba(255, 215, 0, 0.25),
        0 0 60px rgba(255, 235, 180, 0.15);
    background: linear-gradient(135deg, 
        #fcfaf0 0%, 
        #f4f0e2 15%, 
        #ede8d8 35%, 
        #e6dfc9 55%, 
        #dfd6ba 75%, 
        #d8cdab 90%, 
        #d1c49c 100%);
    animation: activeScrollPulse 3s ease-in-out infinite alternate;
}

@keyframes activeScrollPulse {
    0% {
        box-shadow: 
            5px 10px 25px rgba(0, 0, 0, 0.4),
            inset 2px 3px 8px rgba(255, 255, 255, 0.6),
            inset -2px -3px 8px rgba(139, 69, 19, 0.25),
            0 0 0 3px rgba(255, 215, 0, 0.4),
            0 0 35px rgba(255, 215, 0, 0.25),
            0 0 60px rgba(255, 235, 180, 0.15);
    }
    100% {
        box-shadow: 
            5px 10px 25px rgba(0, 0, 0, 0.4),
            inset 2px 3px 8px rgba(255, 255, 255, 0.6),
            inset -2px -3px 8px rgba(139, 69, 19, 0.25),
            0 0 0 3px rgba(255, 215, 0, 0.5),
            0 0 45px rgba(255, 215, 0, 0.35),
            0 0 80px rgba(255, 235, 180, 0.2);
    }
}

.scroll.active .doc-name {
    color: #1a0f0a;
    text-shadow: 
        1px 1px 2px rgba(255, 255, 255, 0.6),
        0 0 6px rgba(255, 215, 0, 0.5),
        0 0 12px rgba(255, 215, 0, 0.3);
    transform: scale(1.05);
}

/* Document content */
.document-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    line-height: 1.8;
    background: var(--parchment);
    position: relative;
    z-index: 2;
    background-image: 
        linear-gradient(90deg, transparent 98%, rgba(205, 127, 50, 0.1) 100%),
        repeating-linear-gradient(0deg, 
            transparent, 
            transparent 23px, 
            rgba(205, 127, 50, 0.1) 23px, 
            rgba(205, 127, 50, 0.1) 25px);
}

.welcome-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: var(--leather-dark);
}

.welcome-icon {
    font-size: 4rem;
    color: var(--brass);
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 20px rgba(205, 127, 50, 0.5));
    animation: magicPulse 3s ease-in-out infinite;
}

@keyframes magicPulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 20px rgba(205, 127, 50, 0.5)); }
    50% { transform: scale(1.1); filter: drop-shadow(0 0 30px rgba(255, 215, 0, 0.7)); }
}

.welcome-content h2 {
    font-family: 'Cinzel', serif;
    font-size: 2.5rem;
    color: var(--leather-dark);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--brass);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-book);
    color: var(--parchment);
}

.feature:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-glow);
    border-color: var(--gold);
}

.feature i {
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.4));
}

.feature h4 {
    font-family: 'Cinzel', serif;
    color: var(--gold);
    margin-bottom: 1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* Boutons avec style médiéval */
.btn {
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold-dark) 100%);
    color: var(--library-bg);
    border: 2px solid var(--gold);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Cinzel', serif;
    text-decoration: none;
    box-shadow: var(--shadow-book);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 
        var(--shadow-book),
        0 8px 20px rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    border-color: #fff;
}

.btn:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--wood-brown) 0%, var(--wood-dark) 100%);
    color: var(--gold);
    border: 2px solid var(--brass);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold-dark) 100%);
    color: var(--library-bg);
    border-color: var(--gold);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    border-radius: 20px;
}

/* Boîtes de recherche et inputs */
.search-box {
    display: flex;
    gap: 0.5rem;
    width: 30%;
}

.search-input {
    flex: 1;
    background: linear-gradient(135deg, var(--parchment) 0%, var(--parchment-dark) 100%);
    border: 2px solid var(--brass);
    border-radius: 25px;
    padding: 0.8rem 1rem;
    color: var(--leather-dark);
    font-family: 'Crimson Text', serif;
    transition: var(--transition);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}

.search-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 
        inset 0 2px 5px rgba(0, 0, 0, 0.1),
        0 0 0 3px rgba(255, 215, 0, 0.2);
    background: #fff;
}

.search-input::placeholder {
    color: var(--wood-brown);
    font-style: italic;
}

/* Overlay de chargement */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 17, 23, 0.95) 0%, rgba(26, 26, 46, 0.95) 100%);
    backdrop-filter: blur(10px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
    color: var(--gold);
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    padding: 3rem;
    border-radius: 20px;
    border: 3px solid var(--brass);
    box-shadow: var(--shadow-glow);
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.6));
}

.loading-spinner p {
    font-family: 'Cinzel', serif;
    font-size: 1.1rem;
    color: var(--parchment);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.spinning {
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Styles pour le chargement avec progression */
.loading-content {
    text-align: center;
    color: var(--gold);
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    padding: 3rem;
    border-radius: 20px;
    border: 3px solid var(--brass);
    box-shadow: var(--shadow-glow);
    min-width: 400px;
}

.loading-content .loading-spinner {
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.loading-text {
    font-family: 'Cinzel', serif;
    font-size: 1.2rem;
    color: var(--parchment);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    margin-bottom: 1.5rem;
}

.progress-container {
    width: 100%;
    margin-top: 1rem;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: linear-gradient(135deg, var(--leather-dark) 0%, var(--wood-dark) 100%);
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid var(--brass);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--gold) 0%, var(--fire-orange) 100%);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    text-align: center;
}

/* Styles pour les résultats de recherche streaming */
.search-result {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    animation: fadeInUp 0.5s ease forwards;
}

.search-result.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-completion {
    background: linear-gradient(135deg, var(--wood-brown) 0%, var(--wood-dark) 100%);
    border: 2px solid var(--brass);
    border-radius: 10px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
    animation: pulseGlow 2s ease-in-out;
}

.completion-message {
    color: var(--gold);
    font-family: 'Cinzel', serif;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.completion-message i {
    font-size: 1.2rem;
    color: var(--fire-orange);
    filter: drop-shadow(0 0 5px rgba(255, 69, 0, 0.5));
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(255, 215, 0, 0.3); }
    50% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.6); }
}

/* Amélioration des résultats de recherche */
.search-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.relevance-score {
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold) 100%);
    color: var(--leather-dark);
    padding: 0.2rem 0.6rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    text-shadow: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.search-result-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--brass);
}

.line-info {
    color: var(--brass);
    font-size: 0.8rem;
    font-style: italic;
}

.explanation {
    color: var(--text-secondary);
    font-size: 0.8rem;
    max-width: 60%;
    text-align: right;
}

/* Styles pour les mises en évidence */
.search-highlight-text {
    background: linear-gradient(135deg, var(--gold) 0%, var(--fire-orange) 100%);
    color: var(--leather-dark);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    font-weight: bold;
    text-shadow: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.line-highlight {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 69, 0, 0.1) 100%);
    border-left: 4px solid var(--gold);
    animation: lineHighlight 3s ease-in-out;
}

@keyframes lineHighlight {
    0% { background: linear-gradient(135deg, rgba(255, 215, 0, 0.4) 0%, rgba(255, 69, 0, 0.2) 100%); }
    50% { background: linear-gradient(135deg, rgba(255, 215, 0, 0.3) 0%, rgba(255, 69, 0, 0.15) 100%); }
    100% { background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 69, 0, 0.1) 100%); }
}

.pulse-highlight {
    animation: pulseHighlight 2s ease-in-out;
}

@keyframes pulseHighlight {
    0%, 100% { 
        background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 69, 0, 0.1) 100%);
        border-left: 4px solid var(--gold);
    }
    50% { 
        background: linear-gradient(135deg, rgba(255, 215, 0, 0.4) 0%, rgba(255, 69, 0, 0.2) 100%);
        border-left: 4px solid var(--fire-orange);
    }
}

/* Styles pour l'historique des recherches */
.search-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.search-history-panel {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    border: 2px solid var(--brass);
    border-radius: 15px;
    margin: 1rem 0;
    padding: 1.5rem;
    box-shadow: var(--shadow-book);
}

.history-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--brass);
}

.history-header h3 {
    color: var(--gold);
    font-family: 'Cinzel', serif;
    font-size: 1.3rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.history-container {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.history-item {
    background: linear-gradient(135deg, var(--wood-brown) 0%, var(--wood-dark) 100%);
    border: 1px solid var(--brass);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.history-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.history-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.history-icon {
    color: var(--gold);
    font-size: 1.1rem;
    margin-right: 0.5rem;
}

.history-query {
    color: var(--parchment);
    font-weight: bold;
    font-size: 1rem;
    flex-grow: 1;
}

.history-count {
    color: var(--brass);
    font-size: 0.9rem;
    background: rgba(255, 215, 0, 0.2);
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
}

.history-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.history-date {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-style: italic;
}

.history-actions {
    display: flex;
    gap: 0.5rem;
}

.history-btn {
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold) 100%);
    color: var(--leather-dark);
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: bold;
}

.history-btn:hover {
    background: linear-gradient(135deg, var(--gold) 0%, var(--fire-orange) 100%);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.no-history {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

.cache-message {
    margin-bottom: 1rem;
    animation: slideDown 0.5s ease;
}

.cache-notification {
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold) 100%);
    color: var(--leather-dark);
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.cache-notification i {
    font-size: 1.1rem;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Messages de notification */
.message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-weight: bold;
    z-index: 10001;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

.message.show {
    opacity: 1;
    transform: translateX(0);
}

.message.success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    border: 2px solid #1e7e34;
}

.message.error {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
    color: white;
    border: 2px solid #bd2130;
}

/* Styles pour le contenu rendu des documents */
.document-content-rendered {
    max-width: none;
    text-align: left;
    color: var(--leather-dark);
}

.document-content-rendered h1,
.document-content-rendered h2,
.document-content-rendered h3,
.document-content-rendered h4,
.document-content-rendered h5,
.document-content-rendered h6 {
    font-family: 'Cinzel', serif;
    color: var(--leather-dark);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    border-bottom: 2px solid var(--brass);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* Styles pour le contenu rendu des documents */
.document-content-rendered h1,
.modal-content .document-content-rendered h1,
#modalDocumentContent .document-content-rendered h1,
#modalDocumentContent h1 {
    font-family: 'Cinzel', serif !important;
    color: var(--brass) !important;
    font-size: 2.2rem !important;
    font-weight: 700 !important;
    text-align: center !important;
    margin: 2rem 0 1.5rem 0 !important;
    text-shadow: 
        2px 2px 4px rgba(0, 0, 0, 0.3),
        0 0 10px rgba(205, 127, 50, 0.4) !important;
    border-bottom: 3px solid var(--gold) !important;
    padding-bottom: 1rem !important;
    position: relative !important;
    display: block !important;
}

.document-content-rendered h1::before,
.modal-content .document-content-rendered h1::before,
#modalDocumentContent .document-content-rendered h1::before,
#modalDocumentContent h1::before {
    content: '' !important;
    position: absolute !important;
    top: -10px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 60px !important;
    height: 4px !important;
    background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%) !important;
    border-radius: 2px !important;
}

.document-content-rendered h1::after,
.modal-content .document-content-rendered h1::after,
#modalDocumentContent .document-content-rendered h1::after,
#modalDocumentContent h1::after {
    content: '' !important;
    position: absolute !important;
    bottom: -10px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 80px !important;
    height: 2px !important;
    background: linear-gradient(90deg, transparent 0%, var(--brass) 50%, transparent 100%) !important;
    border-radius: 1px !important;
}

.document-content-rendered h2 {
    color: var(--wood-dark);
    font-size: 1.6rem;
}

.document-content-rendered p {
    line-height: 1.8;
}

.document-content-rendered code {
    background: rgba(139, 69, 19, 0.2);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--leather-dark);
    border: 1px solid var(--brass);
}

.document-content-rendered pre {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    color: var(--parchment);
    padding: 1rem;
    border-radius: 10px;
    border: 2px solid var(--brass);
    overflow-x: auto;
    margin: 1rem 0;
    box-shadow: var(--shadow-book);
}

.document-content-rendered blockquote {
    border-left: 4px solid var(--brass);
    padding-left: 1rem;
    margin: 1rem 0;
    font-style: italic;
    color: var(--wood-dark);
    background: rgba(205, 127, 50, 0.1);
    padding: 1rem;
    border-radius: 0 10px 10px 0;
}

/* Numérotation des lignes avec style médiéval */
.line-number {
    color: var(--brass);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    user-select: none;
    margin-right: 1rem;
    opacity: 0.7;
    display: inline-block;
    min-width: 3rem;
    text-align: right;
    transition: var(--transition);
}

.line-number:hover {
    color: var(--gold);
    opacity: 1;
    cursor: pointer;
    text-shadow: 0 0 5px rgba(255, 215, 0, 0.5);
}

.line-wrapper {
    display: flex;
    align-items: flex-start;
    margin: 0.2rem 0;
    padding: 0.1rem 0;
    border-radius: 3px;
    transition: var(--transition);
}

.line-wrapper:hover {
    background: rgba(205, 127, 50, 0.1);
}

.line-wrapper .line-number {
    flex-shrink: 0;
    margin-right: 1rem;
    padding-top: 0.1rem;
}

.line-highlight {
    background-color: rgba(255, 215, 0, 0.2) !important;
    border-left: 4px solid var(--gold) !important;
    animation: lineFlash 0.5s ease-out;
}

@keyframes lineFlash {
    0% { background-color: rgba(255, 215, 0, 0.5); }
    100% { background-color: rgba(255, 215, 0, 0.2); }
}

/* Contrôles du header */
.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.document-count {
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold-dark) 100%);
    color: var(--library-bg);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 2px solid var(--gold);
    font-weight: 600;
    font-family: 'Cinzel', serif;
    box-shadow: var(--shadow-book);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Design responsive pour la bibliothèque */
@media (max-width: 1024px) {
    .left-panel {
        width: 350px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .document-tree {
        grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    }
    
    .book .doc-name {
        font-size: 9px;
    }
}

@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }
    
    .left-panel {
        width: 100%;
        height: 50vh;
    }
    
    .right-panel {
        height: 50vh;
    }
    
    .app-title {
        font-size: 1.5rem;
    }
    
    .header {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .document-tree {
        grid-template-columns: repeat(auto-fill, minmax(45px, 1fr));
        gap: 5px;
    }
    
    .book {
        width: 45px;
        height: 120px;
    }
    
    .book .doc-name {
        font-size: 8px;
        max-height: 90px;
    }
    
    .scroll {
        width: 30px;
        height: 80px;
    }
    
    .scroll .doc-name {
        font-size: 7px;
        max-height: 60px;
    }
}

/* Barres de défilement personnalisées */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--wood-dark);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--brass) 0%, var(--gold-dark) 100%);
    border-radius: 6px;
    border: 2px solid var(--wood-dark);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
}

::-webkit-scrollbar-corner {
    background: var(--wood-dark);
}

/* Animations d'ouverture des livres */
@keyframes bookOpen {
    0% {
        transform: perspective(1000px) rotateY(0deg);
    }
    50% {
        transform: perspective(1000px) rotateY(-15deg) scale(1.1);
    }
    100% {
        transform: perspective(1000px) rotateY(0deg) scale(1);
    }
}

.book.opening {
    animation: bookOpen 0.8s ease-in-out;
}

/* Animation de dépliement des parchemins */
@keyframes scrollUnroll {
    0% {
        transform: scaleY(0.3) rotateX(0deg);
        transform-origin: center top;
    }
    50% {
        transform: scaleY(0.8) rotateX(10deg);
    }
    100% {
        transform: scaleY(1) rotateX(0deg);
    }
}

.scroll.opening {
    animation: scrollUnroll 0.6s ease-out;
}

/* Effet de vieillissement du parchemin */
.document-content {
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(139, 69, 19, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 69, 19, 0.05) 0%, transparent 50%),
        linear-gradient(90deg, transparent 98%, rgba(205, 127, 50, 0.1) 100%),
        repeating-linear-gradient(0deg, 
            transparent, 
            transparent 23px, 
            rgba(205, 127, 50, 0.05) 23px, 
            rgba(205, 127, 50, 0.05) 25px);
}

/* Effet de lueur magique sur les éléments actifs */
.magical-glow {
    box-shadow: 
        0 0 20px rgba(255, 215, 0, 0.4),
        0 0 40px rgba(255, 215, 0, 0.2),
        inset 0 0 20px rgba(255, 215, 0, 0.1);
}

/* Indicateur de frappe pour le chat */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    border: 2px solid var(--brass);
    border-radius: 15px;
    margin-right: 2rem;
    color: var(--parchment);
}

.typing-indicator .dots {
    display: flex;
    gap: 0.2rem;
}

.typing-indicator .dot {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    animation: typingDot 1.4s ease-in-out infinite;
}

.typing-indicator .dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator .dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {
    0%, 60%, 100% {
        transform: scale(1);
        opacity: 0.7;
    }
    30% {
        transform: scale(1.3);
        opacity: 1;
    }
}

/* Styles pour les tooltips */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    color: var(--parchment);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--brass);
    white-space: nowrap;
    font-size: 0.8rem;
    font-family: 'Crimson Text', serif;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-book);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* Animation de particules de magie */
.magic-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.magic-particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--gold);
    border-radius: 50%;
    animation: floatUp 8s linear infinite;
    opacity: 0;
}

@keyframes floatUp {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
}

/* Customisation des sélections de texte */
::selection {
    background: rgba(255, 215, 0, 0.3);
    color: var(--leather-dark);
}

::-moz-selection {
    background: rgba(255, 215, 0, 0.3);
    color: var(--leather-dark);
}

/* ================================
   MODAL POPUP STYLES
   ================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.3s ease-out;
}

.modal-overlay.active {
    display: flex;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        backdrop-filter: blur(0px);
    }
    to {
        opacity: 1;
        backdrop-filter: blur(5px);
    }
}

.modal-container {
    width: 90%;
    max-width: 1200px;
    height: 85%;
    background: linear-gradient(135deg, var(--parchment) 0%, var(--parchment-dark) 100%);
    border-radius: 20px;
    border: 3px solid var(--brass);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.5),
        inset 0 0 20px rgba(255, 215, 0, 0.1),
        0 0 50px rgba(205, 127, 50, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

@keyframes modalSlideIn {
    from {
        transform: scale(0.8) translateY(-50px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

/* En-tête de la modale */
.modal-header {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    padding: 1.5rem 2rem;
    border-bottom: 3px solid var(--brass);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.modal-header h3 {
    color: var(--parchment);
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.modal-header h3 i {
    margin-right: 0.5rem;
    color: var(--gold);
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
}

.modal-controls {
    display: flex;
    gap: 0.5rem;
}

.modal-controls .btn {
    padding: 0.5rem;
    min-width: auto;
    width: 40px;
    height: 40px;
}

/* Contenu de la modale */
.modal-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: var(--parchment);
    background-image: 
        linear-gradient(90deg, transparent 98%, rgba(205, 127, 50, 0.1) 100%),
        repeating-linear-gradient(0deg, 
            transparent, 
            transparent 23px, 
            rgba(205, 127, 50, 0.1) 23px, 
            rgba(205, 127, 50, 0.1) 25px);
}

.modal-content .document-content {
    height: 100%;
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--leather-dark);
}

/* Placeholder de chargement dans la modale */
.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--leather-brown);
}

.loading-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--brass);
    filter: drop-shadow(0 0 10px rgba(205, 127, 50, 0.5));
}

.loading-placeholder p {
    font-size: 1.2rem;
    font-style: italic;
}

/* Mode plein écran pour la modale */
.modal-overlay.fullscreen .modal-container {
    width: 100%;
    height: 100%;
    max-width: none;
    border-radius: 0;
    border: none;
}

/* Ajustements pour la zone d'accueil dans le panneau droit */
.welcome-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 2;
}

.welcome-area .welcome-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-primary);
}

.welcome-area .welcome-content h2 {
    color: var(--gold);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.welcome-area .features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.welcome-area .feature {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    padding: 1.5rem;
    border-radius: 10px;
    border: 2px solid var(--brass);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-book);
    color: var(--parchment);
}

.welcome-area .feature:hover {
    transform: translateY(-5px);
    box-shadow: 
        var(--shadow-book),
        0 8px 20px rgba(0, 0, 0, 0.3),
        0 0 15px rgba(255, 215, 0, 0.2);
}

/* ================================
   INITIAL LOADING SCREEN
   ================================ */

.initial-loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--library-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
}

.initial-loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 69, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, #0d1117 0%, #1a1a2e 100%);
    animation: loaderCandleFlicker 3s ease-in-out infinite alternate;
}

@keyframes loaderCandleFlicker {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 1; }
}

.loader-content {
    text-align: center;
    position: relative;
    z-index: 10;
}

.loader-icon {
    position: relative;
    margin-bottom: 2rem;
    display: inline-block;
}

.loader-icon i {
    font-size: 4rem;
    color: var(--gold);
    animation: loaderBookPulse 2s ease-in-out infinite;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.6));
}

@keyframes loaderBookPulse {
    0%, 100% { 
        transform: scale(1) rotateY(0deg); 
        filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.6));
    }
    25% { 
        transform: scale(1.1) rotateY(5deg); 
        filter: drop-shadow(0 0 30px rgba(255, 215, 0, 0.8));
    }
    50% { 
        transform: scale(1.05) rotateY(-5deg); 
        filter: drop-shadow(0 0 25px rgba(255, 215, 0, 0.7));
    }
    75% { 
        transform: scale(1.08) rotateY(3deg); 
        filter: drop-shadow(0 0 28px rgba(255, 215, 0, 0.75));
    }
}

.loader-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: loaderGlow 2s ease-in-out infinite;
}

@keyframes loaderGlow {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1); 
        opacity: 0.5;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.3); 
        opacity: 0.8;
    }
}

.loader-title {
    font-family: 'Cinzel', serif;
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 0.5rem;
    text-shadow: 
        2px 2px 4px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(255, 215, 0, 0.3);
    animation: loaderTitleGlow 3s ease-in-out infinite;
}

@keyframes loaderTitleGlow {
    0%, 100% { 
        text-shadow: 
            2px 2px 4px rgba(0, 0, 0, 0.5),
            0 0 20px rgba(255, 215, 0, 0.3);
    }
    50% { 
        text-shadow: 
            2px 2px 4px rgba(0, 0, 0, 0.5),
            0 0 30px rgba(255, 215, 0, 0.5),
            0 0 40px rgba(255, 215, 0, 0.2);
    }
}

.loader-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

.loader-progress {
    width: 300px;
    height: 4px;
    background: rgba(255, 215, 0, 0.2);
    border-radius: 2px;
    margin: 0 auto 2rem;
    overflow: hidden;
    border: 1px solid var(--brass);
}

.loader-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--gold) 0%, var(--brass) 50%, var(--gold) 100%);
    border-radius: 2px;
    animation: loaderProgress 3s ease-out infinite;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

@keyframes loaderProgress {
    0% { width: 0%; }
    70% { width: 85%; }
    100% { width: 100%; }
}

.loader-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(1px 1px at 20px 30px, rgba(255, 215, 0, 0.4), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(255, 215, 0, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 215, 0, 0.35), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255, 215, 0, 0.25), transparent),
        radial-gradient(1px 1px at 160px 30px, rgba(255, 215, 0, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: loaderMagicDust 15s linear infinite;
    pointer-events: none;
}

@keyframes loaderMagicDust {
    0% { transform: translateY(100vh) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) translateX(20px); opacity: 0; }
}

/* Responsivité pour la modale */
@media (max-width: 768px) {
    .modal-container {
        width: 95%;
        height: 90%;
        border-radius: 15px;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-header h3 {
        font-size: 1.2rem;
    }
    
    .modal-controls .btn {
        width: 35px;
        height: 35px;
        padding: 0.4rem;
    }
    
    .modal-content .document-content {
        padding: 1rem;
    }
    
    .loader-title {
        font-size: 2rem;
    }
    
    .loader-progress {
        width: 250px;
    }
}

/* Styles pour les surlignages de recherche */
.search-highlight {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.3) 0%, rgba(255, 215, 0, 0.1) 100%);
    border-left: 4px solid var(--gold);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
    transition: all 0.3s ease;
}

.search-highlight.primary-highlight {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.5) 0%, rgba(255, 215, 0, 0.2) 100%);
    border-left: 4px solid var(--gold);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
    animation: primaryGlow 2s ease-in-out infinite alternate;
}

.search-highlight.secondary-highlight {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 215, 0, 0.05) 100%);
    border-left: 2px solid var(--brass);
    box-shadow: 0 0 5px rgba(255, 215, 0, 0.2);
}

@keyframes primaryGlow {
    0% { box-shadow: 0 0 15px rgba(255, 215, 0, 0.5); }
    100% { box-shadow: 0 0 25px rgba(255, 215, 0, 0.8); }
}

.text-highlight {
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.text-highlight.primary-text-highlight {
    background: linear-gradient(90deg, var(--gold) 0%, rgba(255, 215, 0, 0.8) 100%);
    color: var(--leather-dark);
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.5);
    animation: textPulse 1.5s ease-in-out infinite alternate;
}

.text-highlight.secondary-text-highlight {
    background: linear-gradient(90deg, var(--brass) 0%, rgba(205, 127, 50, 0.6) 100%);
    color: var(--parchment);
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
}

@keyframes textPulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.pulse-highlight {
    animation: pulseEffect 2s ease-in-out;
}

@keyframes pulseEffect {
    0% { 
        transform: scale(1);
        background: linear-gradient(90deg, rgba(255, 215, 0, 0.5) 0%, rgba(255, 215, 0, 0.2) 100%);
    }
    50% { 
        transform: scale(1.02);
        background: linear-gradient(90deg, rgba(255, 215, 0, 0.8) 0%, rgba(255, 215, 0, 0.4) 100%);
    }
    100% { 
        transform: scale(1);
        background: linear-gradient(90deg, rgba(255, 215, 0, 0.5) 0%, rgba(255, 215, 0, 0.2) 100%);
    }
}

/* Indicateur de multiples résultats */
.search-results-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    color: var(--parchment);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    border: 2px solid var(--brass);
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 1002;
    box-shadow: var(--shadow-book);
    animation: fadeInDown 0.5s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-results-indicator i {
    color: var(--gold);
    margin-right: 0.5rem;
}

/* Bouton pour naviguer entre les résultats */
.search-navigation {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 0.5rem;
    z-index: 1002;
}

.search-nav-btn {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    color: var(--parchment);
    border: 2px solid var(--brass);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-book);
    font-size: 1.2rem;
}

.search-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        var(--shadow-book),
        0 8px 20px rgba(0, 0, 0, 0.2),
        0 0 15px rgba(255, 215, 0, 0.3);
    border-color: var(--gold);
}

.search-nav-btn:active {
    transform: translateY(0);
}

.search-nav-btn i {
    color: var(--gold);
    filter: drop-shadow(0 0 3px rgba(255, 215, 0, 0.3));
}

/* Styles pour mobile pour les surlignages */
@media (max-width: 768px) {
    .search-results-indicator {
        position: relative;
        top: auto;
        right: auto;
        margin: 1rem;
        font-size: 0.8rem;
    }
    
    .search-navigation {
        position: relative;
        bottom: auto;
        right: auto;
        justify-content: center;
        margin: 1rem;
    }
    
    .search-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* Styles pour les erreurs dans la modale */
.error-content {
    text-align: center;
    padding: 3rem;
    color: #ff6b6b;
}

.error-content i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.error-content h3 {
    margin-bottom: 1rem;
    color: #ff6b6b;
}

.typing-dots {
    margin-right: 0.5rem;
}

/* Barre de progression inline pour recherche approfondie */
.inline-progress-container {
    background: linear-gradient(135deg, var(--leather-brown) 0%, var(--leather-dark) 100%);
    border: 2px solid var(--brass);
    border-radius: 15px;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.2),
        0 0 20px rgba(184, 134, 11, 0.1);
    animation: fadeInUp 0.5s ease-out;
}

.progress-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.progress-icon {
    margin-right: 1rem;
    color: var(--gold);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.4));
}

.progress-info {
    flex: 1;
}

.progress-title {
    font-family: 'Cinzel', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    margin-bottom: 0.3rem;
}

.progress-description {
    font-family: 'Crimson Text', serif;
    color: var(--parchment);
    opacity: 0.8;
    font-style: italic;
}

.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border: 1px solid var(--brass);
    overflow: hidden;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold) 0%, #ffd700 50%, var(--gold) 100%);
    border-radius: 8px;
    transition: width 0.3s ease-out;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 0 10px rgba(255, 215, 0, 0.3),
        inset 0 1px 2px rgba(255, 255, 255, 0.2);
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progressShine 2s infinite;
}

.progress-percentage {
    font-family: 'Cinzel', serif;
    font-weight: 600;
    color: var(--gold);
    font-size: 0.9rem;
    min-width: 40px;
    text-align: right;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Animation de disparition */
.inline-progress-container.fade-out {
    animation: fadeOutDown 0.5s ease-in forwards;
}

@keyframes fadeOutDown {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* Responsive pour la barre de progression inline */
@media (max-width: 768px) {
    .inline-progress-container {
        padding: 1rem;
        margin: 0.5rem 0;
    }
    
    .progress-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .progress-icon {
        margin-right: 0;
    }
    
    .progress-bar-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .progress-percentage {
        align-self: center;
    }
}

/* === STYLES POUR LES IMAGES DANS LES DOCUMENTS === */
.document-image-container {
    margin: 20px 0;
    text-align: center;
    border: 2px solid var(--wood-brown);
    border-radius: 12px;
    padding: 15px;
    background: linear-gradient(135deg, 
        rgba(244, 232, 193, 0.95) 0%, 
        rgba(232, 215, 168, 0.95) 100%);
    box-shadow: 
        0 4px 8px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    position: relative;
    overflow: hidden;
}

.document-image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 1px,
            rgba(139, 69, 19, 0.1) 1px,
            rgba(139, 69, 19, 0.1) 2px
        );
    pointer-events: none;
}

.document-image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.4),
        0 2px 4px rgba(0, 0, 0, 0.2);
    border: 3px solid var(--wood-dark);
    background: white;
    padding: 5px;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.document-image-container img:hover {
    transform: scale(1.02);
    box-shadow: 
        0 8px 20px rgba(0, 0, 0, 0.5),
        0 4px 8px rgba(0, 0, 0, 0.3);
}

.document-image-container img[src*="error"] {
    border-color: var(--fire-red);
    background: #ffe6e6;
    opacity: 0.7;
}

.document-image-container > div:last-child {
    margin-top: 10px;
    font-style: italic;
    color: var(--wood-dark);
    font-size: 0.9em;
    font-family: 'Cinzel', serif;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    position: relative;
    z-index: 1;
}

/* Style pour les images en cas d'erreur */
.document-image-error {
    background: linear-gradient(135deg, #ffe6e6 0%, #ffcccc 100%);
    border-color: var(--fire-red);
    color: var(--fire-red);
}

.document-image-error::before {
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 1px,
            rgba(220, 20, 60, 0.1) 1px,
            rgba(220, 20, 60, 0.1) 2px
        );
}

/* Responsive pour les images */
@media (max-width: 768px) {
    .document-image-container {
        margin: 15px 0;
        padding: 10px;
    }
    
    .document-image-container img {
        border-width: 2px;
        padding: 3px;
    }
    
    .document-image-container > div:last-child {
        font-size: 0.8em;
    }
}

/* Animation pour le chargement des images */
@keyframes imageLoad {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.document-image-container img {
    animation: imageLoad 0.5s ease-out;
}