:root {
    /* Mode clair (par défaut) */
    --primary-color: #4a6cf7;
    --primary-hover: #3b5de7;
    --background-color: #f8f9fc;
    --card-background: #ffffff;
    --text-color: #333333;
    --light-text: #555555;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --file-preview-bg: #f4f4f4;
    --loader-bg: rgba(255, 255, 255, 0.8);
    --overlay-bg: rgba(0, 0, 0, 0.6);
    --tooltip-bg: rgba(97, 97, 97, 0.9);
    --tooltip-color: #ffffff;
    --info-panel-scrollbar: #d1d1d1;
    --tag-bg: #eef2ff;
    --tag-border: #d1dafe;
    --badge-bg: #e0e7ff;
    --badge-text: #4a6cf7;
    --ad-background: #f9f9f9;
    --ad-border: #e5e5e5;
    --ad-text: #666666;
}

/* Mode sombre */
body.dark-theme {
    --primary-color: #6d8eff;
    --primary-hover: #5a7aff;
    --background-color: #121212;
    --card-background: #1e1e1e;
    --text-color: #e0e0e0;
    --light-text: #b0b0b0;
    --border-color: #333333;
    --success-color: #2ab34c;
    --warning-color: #ffcd39;
    --danger-color: #e84e5c;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    --file-preview-bg: #2a2a2a;
    --loader-bg: rgba(18, 18, 18, 0.8);
    --overlay-bg: rgba(0, 0, 0, 0.8);
    --tooltip-bg: rgba(40, 40, 40, 0.95);
    --tooltip-color: #e0e0e0;
    --info-panel-scrollbar: #444444;
    --tag-bg: #2a3047;
    --tag-border: #374166;
    --badge-bg: #2d3452;
    --badge-text: #8ca0ff;
    --ad-background: #222222;
    --ad-border: #3a3a3a;
    --ad-text: #b0b0b0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem 0; /* Réduit le padding horizontal pour faire de la place aux pubs */
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Nouvelle structure avec les publicités sur les côtés */
.page-container {
    display: flex;
    width: 100%;
    max-width: 1400px; /* Augmenté pour accommoder les pubs */
    justify-content: space-between;
    padding: 0 1rem;
}

/* Publicités latérales */
.ad-sidebar {
    width: 160px; /* Largeur standard pour les pubs latérales */
    max-height: 600px; /* Hauteur standard des skyscrapers */
    position: sticky;
    top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ad-container {
    background-color: var(--ad-background);
    border: 1px solid var(--ad-border);
    border-radius: 8px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
}

.ad-container.vertical {
    height: 600px;
}

.ad-container.horizontal {
    height: auto;
    min-height: 100px;
    margin: 1.5rem 0;
    width: 100%;
}

.ad-label {
    font-size: 0.7rem;
    color: var(--ad-text);
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: var(--ad-background);
    padding: 2px 6px;
    border-radius: 3px;
    position: absolute;
    top: 5px;
    right: 5px;
    opacity: 0.7;
}

.ad-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ad-text);
    font-size: 0.9rem;
    text-align: center;
    padding: 8px;
}

/* Style responsive pour les publicités */
@media (max-width: 1300px) {
    .ad-sidebar {
        display: none; /* Cacher les pubs latérales sur les petits écrans */
    }
}

.app-container {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    margin: 0 auto; /* Centre le contenu quand les pubs sont cachées */
}

/* Boutons flottants */
.floating-buttons {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.floating-btn {
    background-color: var(--card-background);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.floating-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.1);
}

.floating-btn i {
    font-size: 1.2rem;
}

.info-btn {
    color: var(--primary-color);
}

h1 {
    font-size: 2.2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
    padding-right: 90px;
    /* Espace pour les boutons flottants */
}

h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

h2 span {
    font-size: 1.1rem;
    color: var(--light-text);
    margin-left: 0.5rem;
}

.drop-area {
    background-color: var(--card-background);
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    padding: 3rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    box-shadow: var(--shadow);
}

.drop-area:hover,
.drop-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(74, 108, 247, 0.05);
}

.drop-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.drop-area p {
    font-size: 1.1rem;
    color: var(--light-text);
}

.upload-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    margin-top: 1rem;
    font-weight: 500;
}

.upload-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.options-container {
    background-color: var(--card-background);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: var(--transition);
}

@media (min-width: 768px) {
    .options-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.format-input {
    flex: 1;
    position: relative;
}

.format-input label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.format-input input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--card-background);
    color: var(--text-color);
    padding-right: 35px;
    /* Espace pour l'icône d'information */
}

.format-help-icon {
    position: absolute;
    right: 10px;
    top: 55px;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 1.1rem;
}

.format-input input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.2);
}

.format-help {
    font-size: 0.85rem;
    color: var(--light-text);
    margin-top: 0.5rem;
}

.format-example {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    font-style: italic;
    color: var(--light-text);
}

.format-tag {
    display: inline-block;
    background-color: var(--tag-bg);
    border: 1px solid var(--tag-border);
    border-radius: 4px;
    padding: 0.1rem 0.3rem;
    font-family: monospace;
    font-size: 0.85rem;
    margin-right: 0.2rem;
    color: var(--primary-color);
    cursor: pointer;
}

.format-tag:hover {
    background-color: var(--primary-color);
    color: white;
}

.badge {
    display: inline-block;
    background-color: var(--badge-bg);
    color: var(--badge-text);
    border-radius: 4px;
    padding: 0.15rem 0.4rem;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.3rem;
}

.actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .actions {
        margin-top: 0;
    }
}

.action-btn {
    padding: 0.8rem 1.2rem;
    border: none;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.action-btn i {
    font-size: 0.9rem;
}

.rename-btn {
    background-color: var(--warning-color);
    color: #333;
}

.rename-btn:hover:not(:disabled) {
    background-color: #e6a800;
    transform: translateY(-2px);
}

.download-btn {
    background-color: var(--success-color);
    color: white;
}

.download-btn:hover:not(:disabled) {
    background-color: #218838;
    transform: translateY(-2px);
}

.preview-container {
    background-color: var(--card-background);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.file-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.file-item {
    background-color: var(--background-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.file-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.file-preview {
    width: 100%;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--file-preview-bg);
    overflow: hidden;
    transition: var(--transition);
}

.file-preview img,
.file-preview svg {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.file-info {
    padding: 1rem;
}

.file-name {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-new-name {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    font-size: 0.8rem;
    color: var(--light-text);
}

.remove-file {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 25px;
    height: 25px;
    background-color: var(--danger-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    font-size: 0.8rem;
}

.file-item:hover .remove-file {
    opacity: 1;
}

.empty-list {
    text-align: center;
    color: var(--light-text);
    padding: 2rem;
    width: 100%;
}

/* Modal d'informations */
.info-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.info-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.info-panel {
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    background-color: var(--card-background);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    position: relative;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.info-overlay.active .info-panel {
    transform: translateY(0);
    opacity: 1;
}

.info-panel::-webkit-scrollbar {
    width: 6px;
}

.info-panel::-webkit-scrollbar-track {
    background: transparent;
}

.info-panel::-webkit-scrollbar-thumb {
    background-color: var(--info-panel-scrollbar);
    border-radius: 6px;
}

.info-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.info-close:hover {
    background-color: var(--danger-color);
    color: white;
    transform: rotate(90deg);
}

.info-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-section {
    margin-bottom: 1.5rem;
}

.info-section h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.symbol-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.symbol-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.8rem;
    border-radius: 8px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.symbol-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.symbol-code {
    font-family: monospace;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.symbol-desc {
    font-size: 0.9rem;
    color: var(--light-text);
}

.example-title {
    font-weight: 600;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.example-box {
    background-color: var(--background-color);
    border-radius: 6px;
    padding: 1rem;
    font-family: monospace;
    border: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.example-result {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--success-color);
}

.copy-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.copy-btn:hover {
    background-color: var(--primary-hover);
}

.tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--tooltip-bg);
    color: var(--tooltip-color);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    margin-bottom: 5px;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--tooltip-bg) transparent transparent transparent;
}

.copy-btn:hover .tooltip {
    opacity: 1;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.file-item {
    animation: fadeIn 0.3s ease forwards;
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--loader-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(74, 108, 247, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

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