* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4361ee;
    --primary-light: #4895ef;
    --primary-dark: #3f37c9;
    --secondary: #4cc9f0;
    --success: #06d6a0;
    --warning: #ffb703;
    --danger: #ef233c;
    --dark: #2b2d42;
    --gray: #8d99ae;
    --light: #edf2f4;
    --white: #ffffff;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--light);
    color: var(--dark);
    min-height: 100vh;
}

/* App Wrapper */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 2px solid var(--light);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo .material-icons {
    font-size: 32px;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    flex: 1;
    padding: 24px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--gray);
    text-decoration: none;
    transition: all 0.3s ease;
    margin: 4px 8px;
    border-radius: var(--radius-md);
}

.nav-item:hover {
    background: var(--light);
    color: var(--primary);
}

.nav-item.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.nav-item .material-icons {
    font-size: 20px;
}

.footer-link{
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    text-decoration: none;
    transition: all 0.3s ease;
}

.sidebar-footer {
    padding: 24px;
    border-top: 2px solid var(--light);
}

.sync-status-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--light);
    border-radius: var(--radius-md);
    font-size: 14px;
}

.sync-status-card.online #syncIcon {
    color: var(--success);
    animation: none;
}

.sync-status-card.offline #syncIcon {
    color: var(--gray);
}

.sync-status-card.syncing #syncIcon {
    color: var(--warning);
    animation: spin 1s linear infinite;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    background: var(--light);
}

/* Main Header */
.main-header {
    background: var(--white);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 90;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray);
}

.menu-toggle .material-icons {
    font-size: 24px;
}

.header-search {
    flex: 1;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--light);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
}

.header-search .material-icons {
    color: var(--gray);
}

.header-search input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-size: 14px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-icon {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: var(--light);
}

.btn-icon .material-icons {
    font-size: 24px;
    color: var(--gray);
}

/* Dashboard */
.dashboard {
    padding: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.stat-card.primary::before { background: var(--primary); }
.stat-card.secondary::before { background: var(--secondary); }
.stat-card.accent::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card.primary .stat-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.stat-card.secondary .stat-icon {
    background: linear-gradient(135deg, var(--secondary), #72ddf7);
}

.stat-card.accent .stat-icon {
    background: linear-gradient(135deg, var(--success), #0ae6b5);
}

.stat-card.warning .stat-icon {
    background: linear-gradient(135deg, var(--warning), #ffcb47);
}

.stat-icon .material-icons {
    font-size: 30px;
    color: var(--white);
}

.stat-details {
    flex: 1;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 4px;
}

.stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    padding: 4px 8px;
    background: var(--light);
    border-radius: var(--radius-xl);
}

.stat-trend.positive {
    color: var(--success);
}

.stat-trend .material-icons {
    font-size: 14px;
}

/* Quick Add Card */
.quick-add-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: 20px;
}

.card-header h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 600;
}

.card-header h2 .material-icons {
    color: var(--primary);
}

.quick-add-form .form-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--light);
    border-radius: var(--radius-md);
    padding: 0 12px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.input-group:focus-within {
    border-color: var(--primary);
    background: var(--white);
}

.input-group .material-icons {
    color: var(--gray);
}

.input-group input {
    flex: 1;
    border: none;
    background: none;
    padding: 12px 0;
    outline: none;
    font-size: 14px;
}

.btn-add {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-add:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Expenses Section */
.expenses-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 600;
}

.section-header h2 .material-icons {
    color: var(--primary);
}

.filter-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--light);
    border: none;
    border-radius: var(--radius-xl);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-chip .material-icons {
    font-size: 16px;
}

.filter-chip:hover {
    background: var(--primary-light);
    color: var(--white);
}

.filter-chip.active {
    background: var(--primary);
    color: var(--white);
}

/* Advanced Filters */
.advanced-filters {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--light);
    border-radius: var(--radius-md);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 0 12px;
    border-radius: var(--radius-md);
}

.filter-group .material-icons {
    color: var(--gray);
}

.filter-group input {
    flex: 1;
    border: none;
    background: none;
    padding: 10px 0;
    outline: none;
}

.btn-clear-filters {
    background: var(--danger);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-clear-filters:hover {
    background: #d9042b;
    transform: scale(1.05);
}

.btn-clear-filters .material-icons {
    font-size: 20px;
}

/* Expenses Grid */
.expenses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.expense-card {
    background: var(--light);
    border-radius: var(--radius-md);
    padding: 16px;
    position: relative;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.expense-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.expense-card.pending {
    border-left-color: var(--warning);
    background: linear-gradient(45deg, var(--light), #fff3cd);
}

.expense-card.pending::after {
    content: '⏳';
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 16px;
}

.expense-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.expense-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 16px;
}

.expense-name .material-icons {
    color: var(--primary);
    font-size: 20px;
}

.expense-amount {
    font-weight: 700;
    font-size: 18px;
    color: var(--primary);
}

.expense-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 12px;
}

.expense-date .material-icons {
    font-size: 16px;
}

.expense-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.expense-card:hover .expense-actions {
    opacity: 1;
}

/* Styles pour la section paramètres */
/* ============================================
   STYLES POUR LES CARTES DE PARAMÈTRES
   ============================================ */

/* Carte de paramètres */
.settings-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #edf2f4;
}

.settings-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.settings-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #2b2d42;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-card h3::before {
    content: '⚙️';
    font-size: 20px;
}

/* Élément de paramètre */
.setting-item {
    margin-bottom: 20px;
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #4a4e69;
    margin-bottom: 8px;
}

/* Input de budget */
#budgetInput {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #edf2f4;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

#budgetInput:focus {
    outline: none;
    border-color: #4361ee;
    background: white;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

#budgetInput:hover {
    border-color: #8d99ae;
}

/* Switch (toggle) pour les notifications */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
    margin-top: 5px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #e0e0e0;
    transition: 0.3s;
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 24px;
    width: 24px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

input:checked + .slider {
    background-color: #4361ee;
}

input:checked + .slider:before {
    transform: translateX(30px);
}

/* Select pour le thème */
#themeSelect {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #edf2f4;
    border-radius: 10px;
    font-size: 16px;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
}

#themeSelect:focus {
    outline: none;
    border-color: #4361ee;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

#themeSelect:hover {
    border-color: #8d99ae;
    background-color: white;
}

/* Disposition en grille pour plusieurs éléments */
.settings-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Badge d'information */
.setting-badge {
    display: inline-block;
    padding: 4px 8px;
    background: #e9ecef;
    border-radius: 4px;
    font-size: 12px;
    color: #4a4e69;
    margin-left: 8px;
}

/* Tooltip d'information */
.setting-item {
    position: relative;
}

.setting-item:hover .tooltip {
    opacity: 1;
    visibility: visible;
}

.tooltip {
    position: absolute;
    bottom: 100%;
    left: 0;
    background: #2b2d42;
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    margin-bottom: 8px;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 20px;
    border-width: 5px;
    border-style: solid;
    border-color: #2b2d42 transparent transparent transparent;
}

/* Version mobile */
@media (max-width: 768px) {
    .settings-card {
        padding: 20px;
    }
    
    .settings-card h3 {
        font-size: 16px;
    }
    
    #budgetInput,
    #themeSelect {
        padding: 10px 14px;
        font-size: 14px;
    }
    
    .switch {
        width: 50px;
        height: 26px;
    }
    
    .slider:before {
        height: 20px;
        width: 20px;
    }
    
    input:checked + .slider:before {
        transform: translateX(24px);
    }
    
    .settings-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

/* Animation d'apparition */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.settings-card {
    animation: slideIn 0.3s ease;
}

/* État désactivé */
.setting-item.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Styles pour le mode sombre (si activé) */
[data-theme="dark"] .settings-card {
    background: #2b2d42;
    border-color: #4a4e69;
}

[data-theme="dark"] .settings-card h3 {
    color: #edf2f4;
    border-bottom-color: #4a4e69;
}

[data-theme="dark"] #budgetInput,
[data-theme="dark"] #themeSelect {
    background: #4a4e69;
    border-color: #8d99ae;
    color: #edf2f4;
}

[data-theme="dark"] #budgetInput:focus,
[data-theme="dark"] #themeSelect:focus {
    border-color: #4cc9f0;
}

[data-theme="dark"] .setting-item label {
    color: #8d99ae;
}

[data-theme="dark"] .slider {
    background-color: #4a4e69;
}

[data-theme="dark"] input:checked + .slider {
    background-color: #4cc9f0;
}

/* ============================================
   THÈMES (CLAIR/SOMBRE/AUTO)
   ============================================ */

/* Thème clair (par défaut) */
:root {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #2b2d42;
    --text-secondary: #4a4e69;
    --border-color: #edf2f4;
    --card-bg: #ffffff;
    --hover-bg: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --input-bg: #f8f9fa;
    --input-border: #edf2f4;
}

/* Thème sombre */
[data-theme="dark"] {
    --bg-primary: #1a1b2f;
    --bg-secondary: #2b2d42;
    --text-primary: #edf2f4;
    --text-secondary: #8d99ae;
    --border-color: #4a4e69;
    --card-bg: #2b2d42;
    --hover-bg: #4a4e69;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --input-bg: #4a4e69;
    --input-border: #8d99ae;
        --primary: #4361ee;
    --primary-light: #4895ef;
    --primary-dark: #3f37c9;
    --secondary: #4cc9f0;
    --success: #06d6a0;
    --warning: #ffb703;
    --danger: #ef233c;
    --dark: #2b2d42;
    --gray: #8d99ae;
    --light: #edf2f4;
    --white: #ffffff;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Application des variables */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   APPLICATION DU THÈME SOMBRE
   ============================================ */

/* Thème sombre - Application aux éléments */
[data-theme="dark"] {
    /* Variables déjà définies */
}

[data-theme="dark"] body {
    background: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
}

[data-theme="dark"] .main-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .stat-card,
[data-theme="dark"] .quick-add-card,
[data-theme="dark"] .expenses-section,
[data-theme="dark"] .settings-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

[data-theme="dark"] .stat-card .stat-label {
    color: var(--text-secondary);
}

[data-theme="dark"] .stat-card .stat-value {
    color: var(--text-primary);
}

[data-theme="dark"] .input-group,
[data-theme="dark"] .filter-group,
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] select::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

[data-theme="dark"] .input-group .material-icons,
[data-theme="dark"] .filter-group .material-icons {
    color: var(--text-secondary);
}

[data-theme="dark"] .btn-secondary {
    background: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--hover-bg);
}

[data-theme="dark"] .expense-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .expense-card.pending {
    background: linear-gradient(45deg, var(--card-bg), #2b2d42);
}

[data-theme="dark"] .expense-name {
    color: var(--text-primary);
}

[data-theme="dark"] .expense-date {
    color: var(--text-secondary);
}

[data-theme="dark"] .filter-chip {
    background: var(--input-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .filter-chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

[data-theme="dark"] .filter-chip:hover:not(.active) {
    background: var(--hover-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .advanced-filters {
    background: var(--bg-secondary);
}

[data-theme="dark"] .section-header h2 {
    color: var(--text-primary);
}

[data-theme="dark"] .section-header h2 .material-icons {
    color: var(--primary);
}

[data-theme="dark"] .empty-message {
    color: var(--text-secondary);
}

[data-theme="dark"] .empty-message .material-icons {
    color: var(--border-color);
}

[data-theme="dark"] .notification-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .notification-header {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .notification-header h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .notification-settings {
    background: var(--bg-primary);
}

[data-theme="dark"] .notification-item {
    background: var(--bg-primary);
}

[data-theme="dark"] .notification-item .notif-title {
    color: var(--text-primary);
}

[data-theme="dark"] .notification-item .notif-message {
    color: var(--text-secondary);
}

[data-theme="dark"] .drive-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .drive-header {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .drive-header h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .drive-info {
    background: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .storage-option {
    border-color: var(--border-color);
    background: var(--bg-primary);
}

[data-theme="dark"] .storage-option:hover {
    background: var(--hover-bg);
}

[data-theme="dark"] .storage-option.selected {
    background: rgba(67, 97, 238, 0.2);
    border-color: var(--primary);
}

[data-theme="dark"] .storage-title {
    color: var(--text-primary);
}

[data-theme="dark"] .storage-detail {
    color: var(--text-secondary);
}

[data-theme="dark"] .toggle-slider {
    background: var(--input-bg);
}

[data-theme="dark"] .toggle-slider:before {
    background: var(--text-primary);
}

[data-theme="dark"] input:checked + .toggle-slider {
    background: var(--primary);
}

[data-theme="dark"] .currency-preview {
    background: var(--bg-primary);
}

[data-theme="dark"] .preview-value {
    color: var(--text-primary);
}

[data-theme="dark"] .format-option {
    border-color: var(--border-color);
    background: var(--bg-primary);
}

[data-theme="dark"] .format-option:hover {
    background: var(--hover-bg);
}

[data-theme="dark"] .format-option small {
    color: var(--text-secondary);
}

[data-theme="dark"] .warning-badge {
    background: var(--warning);
    color: var(--dark);
}

[data-theme="dark"] .btn-delete {
    color: var(--danger);
}

[data-theme="dark"] .btn-delete:hover {
    background: var(--danger);
    color: white;
}

[data-theme="dark"] .sync-status-card {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-item {
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-item:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .nav-item.active {
    background: var(--primary);
    color: white;
}

[data-theme="dark"] .logo-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .sidebar-footer {
    border-top-color: var(--border-color);
}

[data-theme="dark"] .header-search {
    background: var(--input-bg);
}

[data-theme="dark"] .header-search input {
    color: var(--text-primary);
}

[data-theme="dark"] .btn-icon {
    color: var(--text-secondary);
}

[data-theme="dark"] .btn-icon:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

/* ============================================
   MAIN-CONTENT EN MODE SOMBRE
   ============================================ */

[data-theme="dark"] .main-content {
    background: var(--bg-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .dashboard {
    background: var(--bg-primary);
}

[data-theme="dark"] .main-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .main-header .header-search {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .main-header .header-search input {
    color: var(--text-primary);
}

[data-theme="dark"] .main-header .header-search input::placeholder {
    color: var(--text-secondary);
}

[data-theme="dark"] .main-header .header-search .material-icons {
    color: var(--text-secondary);
}

[data-theme="dark"] .main-header .btn-icon {
    color: var(--text-secondary);
}

[data-theme="dark"] .main-header .btn-icon:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

[data-theme="dark"] .main-header .btn-icon .material-icons {
    color: currentColor;
}

/* Adaptation des cartes dans le dashboard */
[data-theme="dark"] .stat-card,
[data-theme="dark"] .quick-add-card,
[data-theme="dark"] .expenses-section,
[data-theme="dark"] .settings-card,
[data-theme="dark"] .statistics-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

[data-theme="dark"] .stat-card .stat-icon {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

[data-theme="dark"] .stat-card.primary::before {
    background: var(--primary);
}

[data-theme="dark"] .stat-card.secondary::before {
    background: var(--secondary);
}

[data-theme="dark"] .stat-card.accent::before {
    background: var(--success);
}

[data-theme="dark"] .stat-card.warning::before {
    background: var(--warning);
}

[data-theme="dark"] .stat-card .stat-label {
    color: var(--text-secondary);
}

[data-theme="dark"] .stat-card .stat-value {
    color: var(--text-primary);
}

[data-theme="dark"] .stat-card .stat-trend {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

[data-theme="dark"] .stat-card .stat-trend.positive {
    color: var(--success);
}

/* Formulaire d'ajout rapide */
[data-theme="dark"] .quick-add-card .card-header h2 {
    color: var(--text-primary);
}

[data-theme="dark"] .quick-add-card .card-header h2 .material-icons {
    color: var(--primary);
}

[data-theme="dark"] .quick-add-form .input-group {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .quick-add-form .input-group:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.3);
}

[data-theme="dark"] .quick-add-form .input-group .material-icons {
    color: var(--text-secondary);
}

[data-theme="dark"] .quick-add-form .input-group input {
    color: var(--text-primary);
    background: transparent;
}

[data-theme="dark"] .quick-add-form .input-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

[data-theme="dark"] .btn-add {
    background: var(--primary);
    color: white;
}

[data-theme="dark"] .btn-add:hover {
    background: var(--primary-dark);
}

/* Section des dépenses */
[data-theme="dark"] .section-header h2 {
    color: var(--text-primary);
}

[data-theme="dark"] .section-header h2 .material-icons {
    color: var(--primary);
}

[data-theme="dark"] .filter-chip {
    background: var(--input-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .filter-chip .material-icons {
    color: currentColor;
}

[data-theme="dark"] .filter-chip:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--primary);
}

[data-theme="dark"] .filter-chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Filtres avancés */
[data-theme="dark"] .advanced-filters {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .filter-group {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .filter-group .material-icons {
    color: var(--text-secondary);
}

[data-theme="dark"] .filter-group input {
    color: var(--text-primary);
    background: transparent;
}

[data-theme="dark"] .filter-group input::placeholder {
    color: var(--text-secondary);
}

[data-theme="dark"] .btn-clear-filters {
    background: var(--danger);
    color: white;
}

[data-theme="dark"] .btn-clear-filters:hover {
    background: #d9042b;
}

/* Liste des dépenses */
[data-theme="dark"] .expenses-grid {
    background: transparent;
}

[data-theme="dark"] .expense-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .expense-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: var(--primary);
}

[data-theme="dark"] .expense-card.pending {
    background: linear-gradient(45deg, var(--card-bg), #2b2d42);
    border-left-color: var(--warning);
}

[data-theme="dark"] .expense-name {
    color: var(--text-primary);
}

[data-theme="dark"] .expense-name .material-icons {
    color: var(--primary);
}

[data-theme="dark"] .expense-amount {
    color: var(--primary-light);
}

[data-theme="dark"] .expense-date {
    color: var(--text-secondary);
}

[data-theme="dark"] .expense-date .material-icons {
    color: var(--text-secondary);
}

[data-theme="dark"] .pending-icon {
    color: var(--warning);
}

/* Message vide */
[data-theme="dark"] .empty-message {
    color: var(--text-secondary);
}

[data-theme="dark"] .empty-message .material-icons {
    color: var(--border-color);
    opacity: 0.5;
}

/* Statistiques */
[data-theme="dark"] .statistics-section .stat-card {
    background: var(--card-bg);
}

[data-theme="dark"] .statistics-section .stat-card .stat-icon {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

/* Paramètres */
[data-theme="dark"] .settings-card h3 {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .setting-item label {
    color: var(--text-secondary);
}

[data-theme="dark"] .settings-input {
    background: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .settings-input:focus {
    border-color: var(--primary);
    background: var(--bg-secondary);
}

[data-theme="dark"] .btn-secondary {
    background: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--hover-bg);
}

/* Scrollbar personnalisée pour le mode sombre */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Transitions fluides */
.main-content,
.dashboard,
.stat-card,
.expense-card,
button,
input,
select {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Animation de transition pour le thème */
body, 
.sidebar, 
.main-header, 
.stat-card, 
.quick-add-card, 
.expenses-section, 
.expense-card,
.settings-card,
button,
input,
select {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Mode auto - suivre les préférences système */
@media (prefers-color-scheme: dark) {
    [data-theme="auto"] body {
        background: var(--bg-primary);
        color: var(--text-primary);
    }
    
    /* ... tous les autres styles dark pour le mode auto ... */
}

.app-header, .sidebar, .main-header, .settings-card, .expense-card, .stat-card {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

input, select, textarea, button:not(.btn-primary):not(.btn-add) {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
}

/* Styles spécifiques pour le mode sombre */
[data-theme="dark"] .expense-card {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .expense-card:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .stat-card {
    background: linear-gradient(135deg, #2b2d42, #4a4e69);
}

[data-theme="dark"] .btn-primary {
    background: #4cc9f0;
    color: #2b2d42;
}

[data-theme="dark"] .btn-primary:hover {
    background: #3aa8d6;
}

[data-theme="dark"] .notification {
    background: #2b2d42 !important;
    color: #edf2f4 !important;
}

.settings-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.settings-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #2b2d42;
    margin-bottom: 20px;
    font-size: 18px;
    border-bottom: 2px solid #edf2f4;
    padding-bottom: 12px;
}

.currency-selector {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.currency-select {
    width: 100%;
    padding: 12px;
    border: 2px solid #edf2f4;
    border-radius: 8px;
    font-size: 16px;
    background: white;
    cursor: pointer;
}

.currency-select:focus {
    outline: none;
    border-color: #4361ee;
}

.currency-preview {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-label {
    color: #8d99ae;
    font-size: 14px;
}

.preview-value {
    font-size: 20px;
    font-weight: 600;
    color: #2b2d42;
}

.format-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.format-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 2px solid #edf2f4;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.format-option:hover {
    border-color: #4361ee;
    background: #f8f9fa;
}

.format-option input[type="radio"] {
    margin-right: 8px;
}

.format-option .material-icons {
    color: #4361ee;
}

.format-option small {
    color: #8d99ae;
    font-size: 12px;
    margin-left: auto;
}

.storage-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.storage-option {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border: 2px solid #edf2f4;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.storage-option:hover {
    border-color: #4361ee;
    background: #f8f9fa;
}

.storage-option.selected {
    border-color: #4361ee;
    background: #e8f0fe;
}

.storage-option .material-icons {
    font-size: 30px;
    color: #4361ee;
}

.storage-desc {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.storage-title {
    font-weight: 600;
    color: #2b2d42;
}

.storage-detail {
    font-size: 12px;
    color: #8d99ae;
}

.warning-badge {
    background: #f8961e;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    margin-left: 10px;
}

.drive-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
}

.drive-status.connected {
    background: #e8f5e9;
    color: #2e7d32;
}

.drive-status.disconnected {
    background: #ffebee;
    color: #c62828;
}

.drive-status .material-icons {
    font-size: 20px;
}

.btn-small {
    padding: 5px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    margin-left: auto;
    background: white;
    border: 1px solid currentColor;
}

.btn-small:hover {
    opacity: 0.9;
}

.auto-backup-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.toggle-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.toggle-slider {
    width: 50px;
    height: 24px;
    background: #edf2f4;
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.toggle-slider:before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all 0.3s ease;
}

input:checked + .toggle-slider {
    background: #4361ee;
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.backup-frequency {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.backup-frequency select {
    width: 100%;
    padding: 8px;
    border: 2px solid #edf2f4;
    border-radius: 4px;
    margin-top: 5px;
}

.quick-actions {
    display: flex;
    gap: 10px;
}

.quick-actions button {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.quick-actions button:hover {
    transform: translateY(-2px);
}

.btn-delete {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-delete:hover {
    background: var(--danger);
    color: var(--white);
}

/* Empty State */
.empty-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--gray);
}

.empty-message .material-icons {
    font-size: 64px;
    margin-bottom: 16px;
    color: var(--light);
}

.empty-message p {
    font-size: 16px;
}

/* Styles PWA */
.update-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    padding: 16px 20px;
    z-index: 2000;
    animation: slideUp 0.3s ease;
    border-left: 4px solid #4361ee;
}

.update-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.update-content .material-icons {
    color: #4361ee;
    font-size: 24px;
}

.btn-update {
    background: #4361ee;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-update:hover {
    background: #3f37c9;
    transform: translateY(-2px);
}

/* Install PWA prompt */
.install-prompt {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    padding: 16px;
    z-index: 2000;
    animation: slideUp 0.3s ease;
    max-width: 300px;
}

.install-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.install-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.install-header .material-icons {
    color: #4361ee;
}

.install-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.install-btn {
    flex: 1;
    padding: 8px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.install-btn.primary {
    background: #4361ee;
    color: white;
}

.install-btn.secondary {
    background: #f8f9fa;
    color: #2b2d42;
}

.install-btn:hover {
    transform: translateY(-2px);
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quick-add-form .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
     .menu-toggle {
        display: flex;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }

    .advanced-filters {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (max-width: 768px) {

    .header-search {
        max-width: 100%;
        padding: 3px;
    }
    .main-header {
        padding: 16px;
    }

    .dashboard {
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-add-form .form-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-chips {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 8px;
    }
    
    .advanced-filters {
        grid-template-columns: 1fr;
    }
    
    .expenses-grid {
        grid-template-columns: 1fr;
    }
    
    .expense-actions {
        opacity: 1;
    }
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.budget-progress {
    width: 100%;
    height: 6px;
    background: #edf2f4;
    border-radius: 3px;
    margin: 8px 0;
    overflow: hidden;
}

.budget-progress-bar {
    height: 100%;
    background: #4361ee;
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Sidebar - Desktop */
.sidebar {
    width: 280px;
    background: white;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 1000;
    transition: transform 0.3s ease;
}

/* Sidebar - Mobile */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }
    
    .sidebar.active {
        transform: translateX(0);
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
    
    .menu-toggle {
        display: flex !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100%;
    }
}

/* Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* Amélioration de la transition du sidebar */
.sidebar {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-donate {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

/* Styles pour le bouton menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.menu-toggle:hover {
    background: var(--light);
    color: var(--primary);
}

.menu-toggle .material-icons {
    font-size: 24px;
}

/* Responsive */
@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%); 
         box-shadow: none;
    }
    
    .sidebar.active {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    /* Empêcher le scroll quand le menu est ouvert */
    body.menu-open {
        overflow: hidden;
    }
}

/* Animation d'entrée du menu */
@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

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

.notification.success { background: var(--success); }
.notification.error { background: var(--danger); }
.notification.info { background: var(--primary); }
.notification.warning { background: var(--warning); }

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Style pour le sélecteur de langue */
.language-selector {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border: 2px solid #edf2f4;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-option:hover {
    border-color: #4361ee;
    background: #f8f9fa;
}

.language-option.selected {
    border-color: #4361ee;
    background: #e8f0fe;
}

.language-option .material-icons {
    font-size: 24px;
    color: #4361ee;
}

.lang-name {
    font-weight: 600;
    color: #2b2d42;
    flex: 1;
}

.lang-native {
    color: #8d99ae;
    font-size: 14px;
}

/* Mode sombre */
[data-theme="dark"] .language-option {
    border-color: #4a4e69;
    background: #2b2d42;
}

[data-theme="dark"] .language-option:hover {
    border-color: #4cc9f0;
    background: #4a4e69;
}

[data-theme="dark"] .language-option.selected {
    border-color: #4cc9f0;
    background: #3f37c9;
}

[data-theme="dark"] .lang-name {
    color: #edf2f4;
}

.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: #4361ee;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.4);
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 999;
}

.fab.visible {
    opacity: 1;
    transform: scale(1);
}

.fab:hover {
    box-shadow: 0 6px 16px rgba(67, 97, 238, 0.6);
    transform: scale(1.1);
}

.fab .material-icons {
    font-size: 24px;
}

/* Style pour le bouton d'import */
#importBtn {
    color: #4cc9f0;
}

#importBtn:hover {
    background: rgba(76, 201, 240, 0.1);
}

/* Panneau d'import */
.import-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    z-index: 2000;
    max-width: 500px;
    width: 90%;
}

.import-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.import-header .material-icons {
    font-size: 30px;
    color: #4cc9f0;
}

.import-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.import-option {
    padding: 15px;
    border: 2px solid #edf2f4;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.import-option:hover {
    border-color: #4cc9f0;
    background: #f8f9fa;
}

.import-option.selected {
    border-color: #4cc9f0;
    background: #e8f0fe;
}

.option-title {
    font-weight: 600;
    color: #2b2d42;
    display: block;
    margin-bottom: 5px;
}

.option-desc {
    font-size: 0.9em;
    color: #8d99ae;
}