/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Primary Colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-secondary: #64748b;
    --color-secondary-dark: #475569;
    
    /* Color Palette - Neutral Colors */
    --color-background: #ffffff;
    --color-surface: #f8fafc;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-muted: #94a3b8;
    
    /* Color Palette - Semantic Colors */
    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-error: #ef4444;
    --color-error-dark: #dc2626;
    --color-warning: #f59e0b;
    --color-warning-dark: #d97706;
    --color-info: #0ea5e9;
    --color-info-dark: #0284c7;
    
    /* Typography Scale - Professional & Readable */
    --font-size-xs: 0.6875rem;
    --font-size-small: 0.8125rem;
    --font-size-base: 0.875rem;
    --font-size-large: 1rem;
    --font-size-xlarge: 1.25rem;
    --font-size-2xlarge: 1.5rem;
    --font-size-3xlarge: 2rem;
    
    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing Scale - Compact & Professional */
    --spacing-xs: 0.375rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.25rem;
    --spacing-2xl: 1.5rem;
    --spacing-3xl: 2rem;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-modal: 1050;
    --z-tooltip: 1070;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-top: 0;
    color: var(--color-text);
}

h1 {
    font-size: var(--font-size-3xlarge);
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: var(--font-size-2xlarge);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: var(--font-size-xlarge);
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-sm);
}

h5, h6 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-primary-dark);
}

/* Navigation */
.main-nav {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
}

.nav-brand {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-brand:hover {
    color: var(--color-primary-dark);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu li a {
    color: var(--color-text);
    text-decoration: none;
    padding: 0.5rem 0.875rem;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.2s, color 0.2s;
    font-size: var(--font-size-small);
}

.nav-menu li a:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

.nav-logout {
    color: var(--color-error) !important;
}

.nav-logout:hover {
    background-color: rgba(239, 68, 68, 0.1) !important;
}

/* User Navigation Styles */
.nav-user {
    position: relative;
}

.nav-user-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: none;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-small);
    color: var(--color-text);
    transition: background-color var(--transition-base);
}

.nav-user-btn:hover {
    background-color: var(--color-surface);
}

.nav-user-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-primary);
}

.user-avatar,
.user-dropdown-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
}

.user-avatar-placeholder,
.user-dropdown-avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    border: 2px solid var(--color-border);
}

.user-name {
    font-weight: var(--font-weight-medium);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-icon {
    font-size: var(--font-size-xs);
    transition: transform var(--transition-base);
}

.nav-user-btn.active .dropdown-icon {
    transform: rotate(180deg);
}

/* User Dropdown */
.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 280px;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-base), 
                visibility var(--transition-base), 
                transform var(--transition-base);
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-display-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    font-size: var(--font-size-base);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-email {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown-divider {
    margin: 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-small);
    transition: background-color var(--transition-base);
}

.user-dropdown-item:hover {
    background-color: var(--color-surface);
    color: var(--color-text);
}

.user-dropdown-item .dropdown-icon {
    font-size: var(--font-size-base);
    width: 16px;
    text-align: center;
}

.user-dropdown-logout {
    color: var(--color-error) !important;
}

.user-dropdown-logout:hover {
    background-color: rgba(239, 68, 68, 0.1) !important;
}

/* Workspace Section in Dropdown */
.workspace-section {
    padding: var(--spacing-sm) 0;
}

.workspace-section-header {
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.workspace-section-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.current-workspace-name {
    font-size: var(--font-size-small);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workspace-selector {
    max-height: 200px;
    overflow-y: auto;
}

.workspace-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-small);
    transition: background-color var(--transition-base);
    margin: 0 var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.workspace-dropdown-item:hover {
    background-color: var(--color-surface);
    color: var(--color-text);
}

.workspace-dropdown-item.active {
    background-color: var(--color-primary);
    color: white;
}

.workspace-dropdown-item.active:hover {
    background-color: var(--color-primary-dark);
    color: white;
}

.active-indicator {
    font-size: var(--font-size-small);
    color: currentColor;
}

.workspace-setup {
    font-weight: var(--font-weight-medium);
    color: var(--color-primary) !important;
}

.workspace-setup:hover {
    background-color: rgba(37, 99, 235, 0.1) !important;
}

/* Hamburger Menu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-menu span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-base);
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Workspace Context Indication */
.workspace-context-indicator {
    background-color: var(--color-surface);
    border-left: 3px solid var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.workspace-context-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
}

.workspace-context-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

/* Hide workspace context on mobile to keep interface clean */
@media (max-width: 768px) {
    .workspace-context-indicator {
        display: none;
    }
}

/* Home Page */
.home-container {
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.home-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
}

.home-content h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.home-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
}

/* Module Cards Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.module-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    text-decoration: none;
    color: var(--color-text);
    transition: transform var(--transition-base), 
                box-shadow var(--transition-base), 
                border-color var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.module-card:active {
    transform: translateY(-2px);
}

.module-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.module-card h2 {
    font-size: var(--font-size-large);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.module-card p {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Auth Pages */
.auth-body {
    background-color: #ffffff;
    min-height: 100vh;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.auth-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(10px);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.auth-card h1 {
    font-size: var(--font-size-large);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.auth-subtitle {
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
    margin: 0;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Input avec icônes */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 12px;
    z-index: 1;
    font-size: 16px;
    opacity: 0.6;
}

.input-wrapper input {
    padding-left: 40px !important;
}

/* Bouton de connexion amélioré */
.btn-auth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 24px;
    font-weight: 600;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.btn-auth:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.btn-icon {
    transition: transform 0.2s ease;
}

.btn-auth:hover .btn-icon {
    transform: translateX(2px);
}

/* Footer de la page d'auth */
.auth-footer {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.auth-link {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-small);
}

.auth-link a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Informations de démonstration */
.auth-demo-info {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.demo-title {
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--spacing-xs) 0;
}

.demo-credentials {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.4;
}

.demo-credentials strong {
    color: var(--color-text);
}

/* Container pour les messages flash - Dans la carte de connexion */
.flash-messages-container {
    margin-bottom: var(--spacing-lg);
}

/* Messages flash dans la carte */
.flash-messages-container .flash-message {
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    animation: slideInDown 0.3s ease-out;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Améliorations de la page de connexion */
.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.logo-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.password-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.input-wrapper {
    position: relative;
}

.demo-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.demo-icon {
    font-size: 1.2rem;
}

.demo-field {
    margin-bottom: var(--spacing-xs);
}

.demo-field code {
    background: rgba(var(--primary-color-rgb), 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.demo-field code:hover {
    background: rgba(var(--primary-color-rgb), 0.2);
}

.demo-hint {
    color: var(--text-muted);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

.copy-notification {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--success-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    font-size: var(--font-size-small);
    z-index: 10000;
    animation: fadeInOut 2s ease-in-out;
}

/* Animation pour les messages flash */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animation pour la notification de copie */
@keyframes fadeInOut {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
    20% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    80% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* Form Labels - Compact and clear */
.form-group label {
    display: block;
    font-size: var(--font-size-small);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: calc(var(--spacing-xs) / 1.5);
}

/* Form Inputs - Consistent sizing */
.form-group input,
.form-group select,
.form-group textarea,
.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    font-family: inherit;
    line-height: 1.4;
    color: var(--color-text);
    background-color: var(--color-background);
    transition: border-color var(--transition-base), 
                box-shadow var(--transition-base),
                background-color var(--transition-base);
}

/* Focus State */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background-color: var(--color-background);
}

/* ============================================
   BUTTONS - Professional and Consistent
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
    font-weight: 500;
    font-family: inherit;
    line-height: 1.4;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background-color var(--transition-base), 
                transform var(--transition-fast),
                box-shadow var(--transition-base);
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.98);
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-secondary-dark);
    color: white;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-small);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.auth-link {
    text-align: center;
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.auth-link a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Responsive Design - Enhanced Mobile Navigation */
@media (max-width: 768px) {
    .nav-container {
        padding: var(--spacing-md) var(--spacing-lg);
        position: relative;
        height: auto;
        min-height: 60px;
    }
    
    .hamburger-menu {
        display: flex;
        order: 2;
        z-index: 1001;
    }
    
    .nav-brand {
        order: 1;
        flex: 1;
    }
    
    .nav-user {
        order: 3;
        position: relative;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        border-top: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        gap: 0;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transition: opacity var(--transition-base), 
                    visibility var(--transition-base), 
                    max-height var(--transition-slow);
        z-index: 1000;
    }
    
    .nav-menu.show {
        opacity: 1;
        visibility: visible;
        max-height: 400px;
        padding: var(--spacing-sm) 0;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu li a {
        display: flex;
        align-items: center;
        padding: var(--spacing-md) var(--spacing-lg);
        border-radius: 0;
        min-height: 48px;
        font-size: var(--font-size-base);
    }
    
    .nav-menu li a:hover,
    .nav-menu li a:focus {
        background-color: var(--color-surface);
        color: var(--color-primary);
    }
    
    .nav-menu li a.active {
        background-color: var(--color-primary);
        color: white;
    }
    
    .user-dropdown {
        right: 0;
        left: auto;
        min-width: 280px;
        max-width: calc(100vw - 2rem);
        margin-top: var(--spacing-xs);
    }
    
    .user-name {
        display: none;
    }
    
    /* Ensure avatar is properly sized on mobile */
    .user-avatar,
    .user-avatar-placeholder {
        width: 36px;
        height: 36px;
    }
    
    /* Improve dropdown item touch targets */
    .user-dropdown-item,
    .workspace-dropdown-item {
        min-height: 44px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .home-content h1 {
        font-size: 2rem;
    }
    
    .home-subtitle {
        font-size: var(--font-size-base);
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .module-card {
        padding: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .home-content h1 {
        font-size: 1.75rem;
    }
    
    .nav-menu {
        font-size: var(--font-size-small);
    }
    
    .auth-card {
        padding: var(--spacing-lg);
    }
}

/* Tablet Responsive Styles */
@media (min-width: 769px) and (max-width: 1024px) {
    .nav-container {
        padding: 0 var(--spacing-lg);
    }
    
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Ensure touch targets are adequate on tablet */
    .nav-menu li a,
    .nav-user-btn,
    .btn {
        min-height: 44px;
    }
    
    /* Adjust user dropdown positioning for tablet */
    .user-dropdown {
        min-width: 260px;
    }
    
    /* Optimize navigation spacing for tablet */
    .nav-menu {
        gap: var(--spacing-xs);
    }
    
    .nav-menu li a {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Desktop Responsive Styles */
@media (min-width: 1025px) {
    .modules-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Enhanced hover states for desktop */
    .nav-menu li a:hover {
        transform: translateY(-1px);
        transition: transform var(--transition-fast), 
                    background-color var(--transition-base);
    }
    
    /* Better spacing for desktop navigation */
    .nav-container {
        padding: 0 var(--spacing-2xl);
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
    }
    
    /* Desktop user dropdown enhancements */
    .user-dropdown {
        min-width: 300px;
    }
    
    /* Show user name on desktop */
    .user-name {
        display: block;
        max-width: 180px;
    }
}

/* ============================================
   CONTAINER & PAGE LAYOUT
   ============================================ */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-2xl);
}

.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: var(--font-size-xlarge);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Helper text - Compact */
small,
.form-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    display: block;
    margin-top: 0.25rem;
    line-height: 1.3;
}

/* Data Tables */
.data-table,
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-top: var(--spacing-lg);
}

.data-table thead,
.table thead {
    background-color: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
}

.data-table th,
.table th {
    padding: 0.625rem 0.75rem;
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table td,
.table td {
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-small);
    color: var(--color-text);
}

.data-table tbody tr,
.table tbody tr {
    transition: background-color var(--transition-base);
}

.data-table tbody tr:hover,
.table tbody tr:hover {
    background-color: var(--color-surface);
}

.data-table tbody tr:last-child td,
.table tbody tr:last-child td {
    border-bottom: none;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-light);
}

.no-data {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-light);
    font-size: var(--font-size-base);
}

/* Actions Cell */
.actions-cell {
    white-space: nowrap;
}

.actions-cell a {
    margin-right: var(--spacing-xs);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: calc(var(--border-radius-sm) / 1.5);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-article {
    background-color: rgba(37, 99, 235, 0.1);
    color: #1e40af;
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.badge-prestation {
    background-color: rgba(139, 92, 246, 0.1);
    color: #5b21b6;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-service {
    background-color: rgba(34, 197, 94, 0.1);
    color: #15803d;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-debours {
    background-color: rgba(249, 115, 22, 0.1);
    color: #c2410c;
    border: 1px solid rgba(249, 115, 22, 0.3);
}

/* Button Variants */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
}

.btn-info {
    background-color: #0ea5e9;
    color: white;
}

.btn-info:hover {
    background-color: #0284c7;
}

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

.btn-success:hover {
    background-color: #059669;
}

.btn-edit {
    background-color: #f59e0b;
    color: white;
}

.btn-edit:hover {
    background-color: #d97706;
}

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

.btn-delete:hover {
    background-color: #dc2626;
}

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

/* Search Box */
.search-box {
    margin: var(--spacing-lg) 0;
}

.search-box input {
    width: 100%;
    max-width: 400px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

/* Filters */
.filters {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.filters label {
    font-size: var(--font-size-small);
    font-weight: 500;
    color: var(--color-text);
}

.filters select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-small);
    background-color: var(--color-background);
    cursor: pointer;
}

.filters form {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* Actions Bar */
.actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-2xl) 0;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

/* Form Actions - Compact and aligned */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    justify-content: flex-start;
}

.form-actions button,
.form-actions a,
.form-actions .btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    min-width: 120px;
}

/* Error Messages */
.error-messages {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.error-messages .error {
    color: #991b1b;
    font-size: var(--font-size-small);
    margin: var(--spacing-xs) 0;
}

/* Current Logo Display */
.current-logo {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background-color: var(--color-surface);
    border-radius: var(--border-radius-sm);
    text-align: center;
    border: 1px solid var(--color-border);
}

.current-logo img {
    max-width: 180px;
    height: auto;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
}

.current-logo p {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ============================================
   PAGE HEADER - Compact and Professional
   ============================================ */

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

header h1 {
    font-size: var(--font-size-xlarge);
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

header nav {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: center;
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.dashboard-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), 
                box-shadow var(--transition-base),
                border-color var(--transition-base);
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.dashboard-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.dashboard-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0;
}

.dashboard-card .stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Responsive Tables */
@media (max-width: 768px) {
    .data-table,
    .table {
        font-size: 0.8rem;
    }
    
    .data-table th,
    .data-table td,
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
    
    /* Stack table on very small screens */
    .data-table thead,
    .table thead {
        display: none;
    }
    
    .data-table tr,
    .table tr {
        display: block;
        margin-bottom: var(--spacing-lg);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius);
    }
    
    .data-table td,
    .table td {
        display: flex;
        justify-content: space-between;
        padding: var(--spacing-sm) var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }
    
    .data-table td:before,
    .table td:before {
        content: attr(data-label);
        font-weight: 600;
        text-transform: uppercase;
        font-size: 0.75rem;
        color: var(--color-text-light);
    }
    
    .data-table td:last-child,
    .table td:last-child {
        border-bottom: none;
    }
    
    .actions-cell {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .actions-cell a {
        display: block;
        width: 100%;
        text-align: center;
    }
}

/* ============================================
   PROFESSIONAL FORM STYLES
   ============================================ */

/* Form Container - Centered and constrained width */
.form-container,
.profil-form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
}

/* Form wrapper for consistent styling */
.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
}

/* Form sections for better organization */
.form-section {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h2 {
    font-size: var(--font-size-large);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary);
}

.form-section h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

/* Form rows for side-by-side fields */
.form-row,
.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: 0;
}

.form-row.single {
    grid-template-columns: 1fr;
}

.form-row.three-col {
    grid-template-columns: 1fr 1fr 1fr;
}

/* Enhanced form group spacing - REDUCED */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row .form-group {
    margin-bottom: 0;
}

/* Enhanced input focus styles */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background-color: var(--color-background);
}

/* Input hover state */
.form-group input:hover:not(:focus):not(:disabled),
.form-group select:hover:not(:focus):not(:disabled),
.form-group textarea:hover:not(:focus):not(:disabled) {
    border-color: var(--color-secondary);
}

/* Valid input state */
.form-group input:valid:not(:placeholder-shown),
.form-group select:valid:not([value=""]),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: var(--color-success);
}

/* Invalid input state */
.form-group input:invalid:not(:placeholder-shown):not(:focus),
.form-group select:invalid:not([value=""]):not(:focus),
.form-group textarea:invalid:not(:placeholder-shown):not(:focus) {
    border-color: var(--color-error);
}

/* Error state for form groups */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--color-error);
    background-color: rgba(239, 68, 68, 0.05);
}

.form-group.has-error label {
    color: var(--color-error);
}

/* Success state for form groups */
.form-group.has-success input,
.form-group.has-success select,
.form-group.has-success textarea {
    border-color: var(--color-success);
    background-color: rgba(16, 185, 129, 0.05);
}

/* Enhanced error message display */
.error-message {
    display: block;
    color: var(--color-error);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
    font-weight: 500;
    animation: slideDown 0.2s ease-out;
}

.error-message:before {
    content: "⚠ ";
    margin-right: var(--spacing-xs);
}

/* Field helper text */
.form-group small,
.form-text {
    display: block;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* Required field indicator */
.form-group label:after {
    content: "";
}

.form-group.required label:after,
.form-group label.required:after {
    content: " *";
    color: var(--color-error);
    font-weight: bold;
}

/* Disabled input styles */
.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background-color: var(--color-surface);
    color: var(--color-text-light);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Submit button disabled state */
.btn:disabled,
.btn-primary:disabled,
button[type="submit"]:disabled {
    background-color: var(--color-secondary);
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

.btn:disabled:hover,
.btn-primary:disabled:hover,
button[type="submit"]:disabled:hover {
    background-color: var(--color-secondary);
    transform: none;
}

/* Loading state for submit button */
.btn.loading,
.btn-primary.loading,
button[type="submit"].loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading:after,
.btn-primary.loading:after,
button[type="submit"].loading:after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Enhanced form actions */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    justify-content: flex-start;
}

.form-actions button,
.form-actions a,
.form-actions .btn {
    padding: 0.5rem 1.25rem;
    min-width: 100px;
}

/* Enhanced error summary */
.error-summary {
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    border-left: 3px solid var(--color-error);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    animation: slideDown 0.3s ease-out;
}

.error-summary h3 {
    color: #991b1b;
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.error-summary ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.error-summary li {
    color: #991b1b;
    font-size: var(--font-size-small);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.error-summary li:before {
    content: "•";
    position: absolute;
    left: var(--spacing-xs);
    font-weight: bold;
}

/* Enhanced error messages box */
.error-messages {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-left: 3px solid var(--color-error);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    animation: slideDown 0.3s ease-out;
}

.error-messages .error {
    color: #991b1b;
    font-size: var(--font-size-small);
    margin: var(--spacing-xs) 0;
    font-weight: 400;
}

.error-messages .error:before {
    content: "⚠ ";
    margin-right: var(--spacing-xs);
}

/* ============================================
   INVOICE/FACTURE FORM SPECIFIC STYLES
   ============================================ */

.facture-form-container {
    max-width: 1200px;
    margin: 0 auto;
}

.facture-form-container .form-section {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.facture-form-container .form-section h2 {
    font-size: var(--font-size-large);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary);
}

.ligne-facture {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.ligne-facture-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.ligne-facture-number {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-small);
}

.btn-remove-ligne {
    background: var(--color-error);
    color: white;
    border: none;
    padding: calc(var(--spacing-xs) / 1.5) var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: background-color var(--transition-base);
}

.btn-remove-ligne:hover {
    background: var(--color-error-dark);
}

.ligne-form-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.btn-add-ligne {
    background: var(--color-success);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: background-color var(--transition-base);
}

.btn-add-ligne:hover {
    background: var(--color-success-dark);
}

.totaux-container {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.totaux-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.totaux-item.total-final {
    font-size: var(--font-size-large);
    font-weight: 700;
    border-bottom: 2px solid var(--color-text);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
}

.totaux-label {
    font-weight: 500;
    color: var(--color-text);
}

.totaux-value {
    font-weight: 600;
    color: var(--color-text);
}

.totaux-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

/* Client Search & Autocomplete */
.client-search-container {
    position: relative;
}

.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    max-height: 200px;
    overflow-y: auto;
    display: none;
    z-index: var(--z-dropdown);
    box-shadow: var(--shadow-lg);
}

.autocomplete-results.active {
    display: block;
}

.autocomplete-item {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-small);
    transition: background-color var(--transition-fast);
}

.autocomplete-item:hover {
    background-color: var(--color-surface);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.client-info-display {
    display: none;
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
    border: 1px solid var(--color-border);
}

.client-info-display.active {
    display: block;
}

.client-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.client-info-item {
    margin-bottom: var(--spacing-xs);
}

.client-info-item strong {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-bottom: calc(var(--spacing-xs) / 2);
    text-transform: uppercase;
    font-weight: 600;
}

.client-info-item span {
    font-size: var(--font-size-small);
    color: var(--color-text);
}

.client-logo {
    max-width: 100px;
    max-height: 100px;
    margin-top: var(--spacing-sm);
    border-radius: var(--border-radius);
}

/* Checkbox Groups */
.checkbox-group {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-xs);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-small);
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

/* Responsive Forms */
@media (max-width: 768px) {
    .form-wrapper,
    .form-container,
    .profil-form-container,
    .facture-form-container {
        padding: var(--spacing-md);
    }
    
    .facture-form-container .form-section {
        padding: var(--spacing-md);
    }
    
    .form-row,
    .form-row-2col,
    .form-row.three-col,
    .ligne-form-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions button,
    .form-actions a,
    .form-actions .btn {
        width: 100%;
        text-align: center;
    }
    
    header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    header nav {
        width: 100%;
    }
    
    .actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filters {
        width: 100%;
    }
    
    .filters form {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }
    
    .filters select {
        width: 100%;
    }
}

/* Tablet Adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .container {
        padding: var(--spacing-xl) var(--spacing-md);
    }
}

/* Desktop Optimizations */
@media (min-width: 1025px) {
    .dashboard-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Print Styles */
@media print {
    .main-nav,
    header nav,
    .actions,
    .filters,
    .search-box,
    .btn,
    .form-actions {
        display: none;
    }
    
    body {
        background-color: white;
    }
    
    .data-table,
    .table {
        box-shadow: none;
    }
}


/* Flash Messages */
.flash-message {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: var(--font-size-small);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideInFade 0.4s ease-out;
    transition: all 0.3s ease;
    position: relative;
}

@keyframes slideInFade {
    from {
        opacity: 0;
        transform: translateY(-15px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 100px;
    }
}

.flash-message.fade-out {
    animation: slideOutFade 0.3s ease-in forwards;
}

@keyframes slideOutFade {
    from {
        opacity: 1;
        transform: translateY(0);
        max-height: 100px;
    }
    to {
        opacity: 0;
        transform: translateY(-15px);
        max-height: 0;
        margin-bottom: 0;
        padding-top: 0;
        padding-bottom: 0;
    }
}

.flash-close {
    background: none;
    border: none;
    font-size: var(--font-size-large);
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s ease;
    margin-left: auto;
    padding: 0;
    line-height: 1;
}

.flash-close:hover {
    opacity: 1;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.flash-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--color-success);
}

.flash-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--color-error);
}

.flash-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--color-warning);
}

.flash-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-left: 4px solid var(--color-primary);
}

/* Validation Error Messages */
.error-message {
    color: var(--color-error);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
    display: block;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--color-error);
}

.form-group.has-error label {
    color: var(--color-error);
}

/* Error Summary Box */
.error-summary {
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    border-left: 4px solid var(--color-error);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.error-summary h3 {
    color: #991b1b;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
}

.error-summary ul {
    list-style: none;
    padding-left: 0;
}

.error-summary li {
    color: #991b1b;
    font-size: var(--font-size-small);
    padding: var(--spacing-xs) 0;
}

.error-summary li:before {
    content: "• ";
    margin-right: var(--spacing-xs);
}

/* Success Message Box */
.success-message {
    background-color: #d1fae5;
    border: 1px solid #a7f3d0;
    border-left: 4px solid var(--color-success);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    color: #065f46;
}

/* Alert Boxes */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: var(--font-size-small);
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Lazy Loading Images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease-in;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Logo containers with lazy loading */
.client-logo,
.logo-preview {
    min-height: 80px;
    background-color: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo img,
.logo-preview img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

/* Lazy loading pour les logos */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease-in;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

.client-logo img,
.logo-preview img {
    max-width: 150px;
    max-height: 100px;
    object-fit: contain;
}

/* Profile Selector */
.profile-selector {
    position: relative;
    margin-right: var(--spacing-lg);
}

.profile-selector-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 0.875rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-small);
    color: var(--color-text);
    transition: background-color var(--transition-base), 
                border-color var(--transition-base),
                box-shadow var(--transition-base);
    font-family: inherit;
}

.profile-selector-btn:hover {
    background-color: var(--color-background);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.profile-selector-btn:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.profile-selector-btn:active {
    transform: scale(0.98);
}

.profile-name {
    font-weight: 500;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-icon {
    font-size: 0.75rem;
    transition: transform var(--transition-base);
    color: var(--color-text-light);
}

.profile-selector-btn:hover .dropdown-icon {
    transform: translateY(2px);
    color: var(--color-primary);
}

.profile-selector-btn.active .dropdown-icon {
    transform: rotate(180deg);
}

.profile-dropdown {
    position: absolute;
    top: calc(100% + 0.375rem);
    left: 0;
    min-width: 240px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-base), 
                transform var(--transition-base), 
                visibility var(--transition-base);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.profile-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    animation: dropdownSlideIn var(--transition-base) ease-out;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.profile-dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.875rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-small);
    transition: background-color var(--transition-base),
                color var(--transition-base),
                padding-left var(--transition-fast);
    border-left: 2px solid transparent;
}

.profile-dropdown-item:hover {
    background-color: var(--color-surface);
    padding-left: calc(var(--spacing-md) + 3px);
    border-left-color: var(--color-primary-light);
}

.profile-dropdown-item.active {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-primary);
}

.profile-dropdown-item.active:hover {
    background-color: rgba(37, 99, 235, 0.15);
}

.active-indicator {
    color: var(--color-success);
    font-weight: bold;
    font-size: 1rem;
    animation: checkmarkPop 0.3s ease-out;
}

@keyframes checkmarkPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.profile-dropdown-divider {
    margin: var(--spacing-xs) 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

.profile-dropdown-create {
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: transparent;
}

.profile-dropdown-create:hover {
    background-color: rgba(37, 99, 235, 0.1);
    border-left-color: var(--color-primary);
}

/* User Menu */
.nav-user {
    position: relative;
}

.nav-user-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    padding: 0.5rem 0.875rem;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-small);
    color: var(--color-text);
    transition: background-color 0.2s, border-color 0.2s;
}

.nav-user-btn:hover {
    background-color: var(--color-surface);
    border-color: var(--color-primary);
    cursor: pointer;
}

.nav-user-btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.user-name {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.user-profile {
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-weight: 400;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.375rem);
    right: 0;
    min-width: 180px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
    z-index: 1000;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Debug: Rendre le dropdown visible au hover pour tester */
.nav-user:hover .user-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    z-index: 1000 !important;
    display: block !important;
}

/* Styles pour les bannières d'accueil */
.welcome-banner {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.welcome-banner h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.welcome-banner p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.875rem;
}

.no-profile-banner {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.no-profile-banner h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.no-profile-banner p {
    margin: 0 0 1rem 0;
    opacity: 0.9;
}

.section-description {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    font-style: italic;
}

/* Indicateur d'absence d'espace comptable */
.no-profile-indicator {
    display: flex;
    align-items: center;
    margin-right: 1rem;
}

.no-profile-indicator .btn {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    background: #f59e0b;
    color: white;
    border: none;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 500;
}

.no-profile-indicator .btn:hover {
    background: #d97706;
}

.user-dropdown-item {
    display: block;
    padding: 0.5rem 0.875rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-small);
    transition: background-color 0.2s;
}

.user-dropdown-item:hover {
    background-color: var(--color-surface);
}

.user-dropdown-divider {
    margin: var(--spacing-xs) 0;
    border: none;
    border-top: 1px solid var(--color-border);
}

.user-dropdown-logout {
    color: var(--color-error);
}

.user-dropdown-logout:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

/* Active Navigation Links */
.nav-menu li a.active {
    background-color: var(--color-primary);
    color: white;
}

.nav-menu li a.active:hover {
    background-color: var(--color-primary-dark);
}

/* Hamburger Menu Button */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 10;
    position: relative;
}

.hamburger-menu span {
    width: 28px;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.hamburger-menu.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation Styles */
@media (max-width: 768px) {
    /* Show hamburger menu on mobile */
    .hamburger-menu {
        display: flex;
        order: 2;
        z-index: 1001;
    }
    
    .nav-container {
        flex-wrap: wrap;
        position: relative;
        padding: var(--spacing-md);
        height: auto;
        min-height: 60px;
    }
    
    .nav-brand {
        order: 1;
        font-size: var(--font-size-base);
        flex: 1;
    }
    
    /* User menu positioning on mobile */
    .nav-user {
        order: 3;
        position: relative;
    }
    
    /* Hide navigation menu by default on mobile */
    .nav-menu {
        order: 4;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: max-height var(--transition-slow), 
                    opacity var(--transition-base),
                    visibility var(--transition-base);
        background-color: var(--color-background);
        border-top: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        z-index: 1000;
    }
    
    /* Show menu when active */
    .nav-menu.show {
        max-height: 400px;
        opacity: 1;
        visibility: visible;
        padding: var(--spacing-sm) 0;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu li a {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        width: 100%;
        text-align: left;
        padding: var(--spacing-md) var(--spacing-lg);
        min-height: 48px;
        font-size: var(--font-size-base);
        border-radius: 0;
    }
    
    .nav-menu li a:hover,
    .nav-menu li a:focus {
        background-color: var(--color-surface);
        color: var(--color-primary);
    }
    
    .nav-menu li a.active {
        background-color: var(--color-primary);
        color: white;
    }
    
    /* User menu button on mobile */
    .nav-user-btn {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
        min-height: 44px;
        min-width: 44px;
        flex-direction: row;
        border-radius: var(--border-radius-sm);
    }
    
    /* Hide user name on very small screens */
    .user-name {
        display: none;
    }
    
    /* Show only avatar/initials on mobile */
    .user-avatar,
    .user-avatar-placeholder {
        width: 36px;
        height: 36px;
    }
    
    /* User dropdown positioning on mobile */
    .user-dropdown {
        position: absolute;
        top: 100%;
        right: 0;
        left: auto;
        width: 280px;
        max-width: calc(100vw - 2rem);
        margin-top: var(--spacing-xs);
    }
    
    /* Ensure dropdown doesn't go off screen */
    .nav-user:last-child .user-dropdown {
        right: 0;
        left: auto;
    }
    
    /* Touch target sizing for all interactive elements */
    button,
    .btn,
    a.btn,
    input[type="button"],
    input[type="submit"],
    .nav-menu li a,
    .nav-user-btn,
    .hamburger-menu {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improve touch targets for dropdown items */
    .user-dropdown-item,
    .workspace-dropdown-item {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    /* Workspace selector in dropdown on mobile */
    .workspace-section {
        padding: var(--spacing-sm) 0;
    }
    
    .workspace-dropdown-item {
        margin: 0;
        border-radius: 0;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
}

/* Extended Mobile Responsive Styles */
@media (max-width: 768px) {
    /* Mobile form adaptations */
    .form-wrapper,
    .form-container,
    .profil-form-container,
    .auth-card {
        max-width: 100%;
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-md);
    }
    
    .form-row,
    .form-row.three-col {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .form-actions button,
    .form-actions a,
    .form-actions .btn {
        width: 100%;
        text-align: center;
        min-height: 44px;
    }
    
    /* Mobile input fields */
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
        min-height: 44px;
    }
    
    /* Mobile tables - scrollable wrapper */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: var(--spacing-md) calc(var(--spacing-md) * -1);
    }
    
    .data-table,
    .table {
        min-width: 600px;
    }
    
    /* Alternative: Transform tables to cards on mobile */
    .data-table.mobile-cards thead,
    .table.mobile-cards thead {
        display: none;
    }
    
    .data-table.mobile-cards tbody,
    .table.mobile-cards tbody {
        display: block;
    }
    
    .data-table.mobile-cards tr,
    .table.mobile-cards tr {
        display: block;
        margin-bottom: var(--spacing-lg);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius);
        background-color: var(--color-background);
        box-shadow: var(--shadow-sm);
    }
    
    .data-table.mobile-cards td,
    .table.mobile-cards td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        min-height: 44px;
    }
    
    .data-table.mobile-cards td:before,
    .table.mobile-cards td:before {
        content: attr(data-label);
        font-weight: 600;
        text-transform: uppercase;
        font-size: var(--font-size-xs);
        color: var(--color-text-light);
        flex: 0 0 40%;
    }
    
    .data-table.mobile-cards td:last-child,
    .table.mobile-cards td:last-child {
        border-bottom: none;
    }
    
    .data-table.mobile-cards .actions-cell,
    .table.mobile-cards .actions-cell {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
    }
    
    .data-table.mobile-cards .actions-cell a,
    .table.mobile-cards .actions-cell a {
        display: block;
        width: 100%;
        text-align: center;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Mobile header adjustments */
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    header h1 {
        font-size: var(--font-size-xlarge);
    }
    
    header nav {
        width: 100%;
        flex-direction: column;
    }
    
    header nav a {
        width: 100%;
        text-align: center;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Mobile actions bar */
    .actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .actions .btn {
        width: 100%;
        text-align: center;
    }
    
    /* Mobile filters */
    .filters {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }
    
    .filters form {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }
    
    .filters select,
    .filters input {
        width: 100%;
        min-height: 44px;
    }
    
    /* Mobile search box */
    .search-box input {
        max-width: 100%;
        font-size: 16px; /* Prevents zoom on iOS */
        min-height: 44px;
    }
    
    /* Mobile dashboard cards */
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .dashboard-card {
        padding: var(--spacing-lg);
    }
    
    /* Mobile module cards */
    .modules-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .module-card {
        padding: var(--spacing-lg);
    }
    
    /* Mobile container padding */
    .container {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    /* Mobile page header */
    .page-header h1 {
        font-size: var(--font-size-xlarge);
    }
    
    /* Mobile home content */
    .home-content h1 {
        font-size: var(--font-size-2xlarge);
    }
    
    .home-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* Mobile badges - ensure readability */
    .badge {
        font-size: var(--font-size-xs);
        padding: calc(var(--spacing-xs) / 1.5) var(--spacing-xs);
    }
    
    /* Mobile alerts */
    .alert,
    .flash-message {
        font-size: var(--font-size-small);
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Tablet-specific styles */
@media (min-width: 769px) and (max-width: 1024px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .container {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modules-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row.three-col {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tablet touch targets */
    button,
    .btn,
    a.btn,
    input[type="button"],
    input[type="submit"] {
        min-height: 44px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .home-content h1 {
        font-size: var(--font-size-xlarge);
    }
    
    .nav-brand {
        font-size: var(--font-size-small);
    }
    
    .auth-card {
        padding: var(--spacing-md);
    }
    
    .form-wrapper {
        padding: var(--spacing-md);
    }
    
    h1 {
        font-size: var(--font-size-xlarge);
    }
    
    h2 {
        font-size: var(--font-size-large);
    }
    
    h3 {
        font-size: var(--font-size-base);
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .nav-container {
        height: auto;
        min-height: 60px;
    }
    
    .nav-menu.show {
        max-height: 300px;
        overflow-y: auto;
    }
}


/* ============================================
   Flash Messages / Notifications
   ============================================ */

.flash-message {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-md);
    animation: slideInDown 0.3s ease-out;
    position: relative;
}

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

.flash-icon {
    font-size: var(--font-size-large);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flash-text {
    flex: 1;
    font-size: var(--font-size-base);
    line-height: 1.5;
}

.flash-close {
    background: none;
    border: none;
    font-size: var(--font-size-xlarge);
    line-height: 1;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
    flex-shrink: 0;
}

.flash-close:hover {
    opacity: 1;
}

/* Success Messages */
.flash-success {
    border-left-color: var(--color-success);
    background-color: #f0fdf4;
    color: #166534;
}

.flash-success .flash-icon {
    color: var(--color-success);
}

.flash-success .flash-close {
    color: #166534;
}

/* Error Messages */
.flash-error {
    border-left-color: var(--color-error);
    background-color: #fef2f2;
    color: #991b1b;
}

.flash-error .flash-icon {
    color: var(--color-error);
}

.flash-error .flash-close {
    color: #991b1b;
}

/* Warning Messages */
.flash-warning {
    border-left-color: var(--color-warning);
    background-color: #fffbeb;
    color: #92400e;
}

.flash-warning .flash-icon {
    color: var(--color-warning);
}

.flash-warning .flash-close {
    color: #92400e;
}

/* Info Messages */
.flash-info {
    border-left-color: var(--color-info);
    background-color: #f0f9ff;
    color: #075985;
}

.flash-info .flash-icon {
    color: var(--color-info);
}

.flash-info .flash-close {
    color: #075985;
}

/* Responsive adjustments for flash messages */
@media (max-width: 768px) {
    .flash-message {
        padding: var(--spacing-sm) var(--spacing-md);
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }
    
    .flash-icon {
        font-size: var(--font-size-base);
        width: 20px;
        height: 20px;
    }
    
    .flash-text {
        font-size: var(--font-size-small);
    }
    
    /* Auth page responsive */
    .auth-container {
        padding: var(--spacing-md);
    }
    
    .auth-card {
        padding: var(--spacing-lg);
        border-radius: 8px;
    }
    
    .auth-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .auth-card h1 {
        font-size: var(--font-size-medium);
    }
    
    .auth-demo-info {
        padding: var(--spacing-sm);
    }
    
    .demo-credentials {
        font-size: var(--font-size-xs);
    }
    
    .flash-messages-container {
        margin-bottom: var(--spacing-md);
    }
    
    .flash-messages-container .flash-message {
        font-size: var(--font-size-small);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .copy-notification {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .btn-auth {
        padding: 12px 20px;
    }
}
    
    .flash-close {
        font-size: var(--font-size-large);
        width: 20px;
        height: 20px;
    }
}


/* ============================================
   ACCESSIBILITY & KEYBOARD NAVIGATION
   ============================================ */

/* Focus visible for keyboard navigation */
body.keyboard-nav *:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Remove outline for mouse users */
body:not(.keyboard-nav) *:focus {
    outline: none;
}

/* Enhanced focus states for interactive elements */
.btn:focus-visible,
.form-control:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to main content link for screen readers */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    z-index: 100;
}

.skip-to-main:focus {
    top: 0;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Text utilities */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-uppercase {
    text-transform: uppercase;
}

.text-lowercase {
    text-transform: lowercase;
}

.text-capitalize {
    text-transform: capitalize;
}

/* Spacing utilities */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--spacing-xs) !important; }
.pt-2 { padding-top: var(--spacing-sm) !important; }
.pt-3 { padding-top: var(--spacing-md) !important; }
.pt-4 { padding-top: var(--spacing-lg) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--spacing-xs) !important; }
.pb-2 { padding-bottom: var(--spacing-sm) !important; }
.pb-3 { padding-bottom: var(--spacing-md) !important; }
.pb-4 { padding-bottom: var(--spacing-lg) !important; }

/* Display utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }

/* Flex utilities */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.align-start { align-items: flex-start !important; }
.align-center { align-items: center !important; }
.align-end { align-items: flex-end !important; }

/* Width utilities */
.w-100 { width: 100% !important; }
.w-75 { width: 75% !important; }
.w-50 { width: 50% !important; }
.w-25 { width: 25% !important; }

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text: #000000;
        --color-background: #ffffff;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here in the future */
}

/* Print optimizations */
@media print {
    /* Hide non-essential elements */
    .main-nav,
    .nav-menu,
    .hamburger-menu,
    .profile-selector,
    .user-dropdown,
    .flash-message,
    .btn,
    .form-actions,
    .actions,
    .filters,
    .search-box {
        display: none !important;
    }
    
    /* Optimize for print */
    body {
        background: white;
        color: black;
        font-size: 12pt;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    /* Ensure tables break properly */
    .data-table,
    .table {
        page-break-inside: auto;
    }
    
    .data-table tr,
    .table tr {
        page-break-inside: avoid;
        page-break-after: auto;
    }
    
    /* Show URLs for links */
    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
    
    /* Don't show URLs for internal links */
    a[href^="#"]:after,
    a[href^="/"]:after {
        content: "";
    }
}


/* ============================================
   CARD SYSTEM - Refonte Design avec Cartes
   ============================================ */

/* Base Card Component */
.card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    transition: box-shadow var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Card Header */
.card-header {
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.card-header h2,
.card-header h3 {
    margin: 0;
    font-size: var(--font-size-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

/* Card Body */
.card-body {
    padding: 0;
}

/* Card Footer */
.card-footer {
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start;
}

/* Page Header Card - For titles and actions */
.page-header-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.page-title {
    font-size: var(--font-size-2xlarge);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin: 0;
    text-align: center;
    flex: 1 1 100%;
}

.page-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    flex: 1 1 100%;
}

/* Search Card */
.search-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.search-card .search-box {
    margin: 0;
}

.search-card input {
    width: 100%;
    max-width: 100%;
}

/* Table Card */
.table-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 0;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-card .data-table,
.table-card .table {
    margin: 0;
    box-shadow: none;
    border-radius: 0;
}

.table-card .data-table thead,
.table-card .table thead {
    background-color: var(--color-surface);
}

/* Form Card */
.form-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.form-card form {
    margin: 0;
}

.form-card .form-actions {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* Filter Card */
.filter-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.filter-card .filters {
    margin: 0;
}

/* Stats Card - For dashboard statistics */
.stats-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), 
                box-shadow var(--transition-base),
                border-color var(--transition-base);
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.stats-card h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stats-card .stat-value {
    font-size: var(--font-size-3xlarge);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin: var(--spacing-md) 0;
}

.stats-card .stat-label {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
}

/* Card Grid - For multiple cards layout */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.card-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.card-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Content Centered Container */
.content-centered {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
}

/* Page Container with centered content */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
}

.page-container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
}

/* Card Variants */
.card-primary {
    border-color: var(--color-primary);
    border-left-width: 4px;
}

.card-success {
    border-color: var(--color-success);
    border-left-width: 4px;
}

.card-warning {
    border-color: var(--color-warning);
    border-left-width: 4px;
}

.card-error {
    border-color: var(--color-error);
    border-left-width: 4px;
}

/* Card with no padding (for tables) */
.card-no-padding {
    padding: 0;
}

.card-no-padding .card-header {
    padding: var(--spacing-xl) var(--spacing-2xl);
    margin: 0;
}

.card-no-padding .card-body {
    padding: 0;
}

.card-no-padding .card-footer {
    padding: var(--spacing-xl) var(--spacing-2xl);
    margin: 0;
}

/* Compact Card */
.card-compact {
    padding: var(--spacing-lg);
}

/* Card with hover effect */
.card-hover {
    cursor: pointer;
    transition: transform var(--transition-base), 
                box-shadow var(--transition-base),
                border-color var(--transition-base);
}

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

/* Responsive Card System */
@media (max-width: 768px) {
    .card,
    .search-card,
    .table-card,
    .form-card,
    .filter-card,
    .stats-card,
    .page-header-card {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
    }
    
    .card-grid,
    .card-grid-2,
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .content-centered,
    .page-container,
    .page-container-narrow {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .page-title {
        font-size: var(--font-size-xlarge);
    }
    
    .page-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .page-actions .btn {
        width: 100%;
    }
    
    /* Make table cards scrollable on mobile */
    .table-card {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .card-header h2,
    .card-header h3 {
        font-size: var(--font-size-base);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-centered,
    .page-container {
        padding: var(--spacing-xl) var(--spacing-md);
    }
}

@media (min-width: 1025px) {
    .card-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .card-grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Print styles for cards */
@media print {
    .card,
    .search-card,
    .table-card,
    .form-card,
    .filter-card,
    .stats-card {
        box-shadow: none;
        border: 1px solid #000;
        page-break-inside: avoid;
    }
    
    .page-header-card {
        border: none;
        box-shadow: none;
    }
    
    .page-actions {
        display: none;
    }
}

/* ===== WORKSPACE SWITCHING STYLES ===== */
/* Requirements: 2.2, 2.3 - AJAX workspace switching */

/* Loading state for workspace links */
.workspace-dropdown-item.loading {
    position: relative;
    color: var(--color-text-muted);
    pointer-events: none;
}

.loading-spinner {
    display: inline-block;
    animation: spin 1s linear infinite;
    margin-right: var(--spacing-xs);
}

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

/* Workspace switch notifications */
.workspace-switch-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-medium);
    box-shadow: var(--shadow-large);
    display: flex;
    align-items: center;
    gap: var(--spacing-small);
    min-width: 300px;
    max-width: 400px;
    z-index: 10000;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease-in-out;
}

.workspace-switch-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.workspace-switch-notification.success {
    border-left: 4px solid var(--color-success);
}

.workspace-switch-notification.error {
    border-left: 4px solid var(--color-error);
}

.notification-icon {
    font-size: var(--font-size-large);
    font-weight: var(--font-weight-bold);
    flex-shrink: 0;
}

.workspace-switch-notification.success .notification-icon {
    color: var(--color-success);
}

.workspace-switch-notification.error .notification-icon {
    color: var(--color-error);
}

.notification-message {
    flex: 1;
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    font-size: var(--font-size-large);
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-small);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.notification-close:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.notification-close:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Enhanced workspace selector styles */
.workspace-dropdown-item {
    position: relative;
    transition: all 0.2s ease;
}

.workspace-dropdown-item:hover:not(.loading) {
    background: var(--color-surface);
    transform: translateX(2px);
}

.workspace-dropdown-item.active {
    background: var(--color-primary-light);
    color: var(--color-background);
    font-weight: var(--font-weight-medium);
}

.workspace-dropdown-item.active:hover {
    background: var(--color-primary);
}

.active-indicator {
    position: absolute;
    right: var(--spacing-small);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-background);
    font-weight: var(--font-weight-bold);
}

/* Responsive workspace notifications */
@media (max-width: 768px) {
    .workspace-switch-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        min-width: auto;
        max-width: none;
        transform: translateY(-100%);
    }
    
    .workspace-switch-notification.show {
        transform: translateY(0);
    }
}

/* Accessibility improvements for workspace switching */
.workspace-dropdown-item:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    background: var(--color-surface);
}

.workspace-dropdown-item[aria-disabled="true"] {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .workspace-switch-notification {
        border-width: 2px;
    }
    
    .workspace-switch-notification.success {
        border-left-width: 6px;
    }
    
    .workspace-switch-notification.error {
        border-left-width: 6px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .workspace-switch-notification {
        transition: opacity 0.3s ease;
        transform: none;
    }
    
    .workspace-switch-notification.show {
        transform: none;
    }
    
    .loading-spinner {
        animation: none;
    }
    
    .workspace-dropdown-item:hover {
        transform: none;
    }
}

/* =================================================================
   FIX POUR LE DROPDOWN UTILISATEUR DÉSORDONNÉ
   ================================================================= */

/* S'assurer que le conteneur nav-user a la bonne position */
.nav-user {
    position: relative;
    z-index: 1001;
}

/* Corriger le positionnement du dropdown */
.user-dropdown {
    position: absolute !important;
    top: calc(100% + 8px) !important;
    right: 0 !important;
    left: auto !important;
    background-color: var(--color-background) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-lg) !important;
    min-width: 280px !important;
    max-width: 320px !important;
    z-index: var(--z-dropdown) !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-base), 
                visibility var(--transition-base), 
                transform var(--transition-base);
    overflow: hidden;
}

.user-dropdown.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

/* S'assurer que le header du dropdown est bien formaté */
.user-dropdown-header {
    padding: var(--spacing-lg) !important;
    background-color: var(--color-surface) !important;
    border-bottom: 1px solid var(--color-border) !important;
    margin: 0 !important;
}

/* Corriger l'affichage des informations utilisateur */
.user-info {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-md) !important;
    margin: 0 !important;
}

.user-details {
    flex: 1 !important;
    min-width: 0 !important;
    overflow: hidden !important;
}

.user-display-name {
    font-weight: var(--font-weight-semibold) !important;
    color: var(--color-text) !important;
    font-size: var(--font-size-base) !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    line-height: 1.4 !important;
}

.user-email {
    font-size: var(--font-size-small) !important;
    color: var(--color-text-muted) !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    line-height: 1.3 !important;
}

/* Corriger les séparateurs */
.user-dropdown-divider {
    margin: 0 !important;
    border: none !important;
    border-top: 1px solid var(--color-border) !important;
    height: 1px !important;
}

/* Corriger les éléments du dropdown */
.user-dropdown-item {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-sm) !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    color: var(--color-text) !important;
    text-decoration: none !important;
    font-size: var(--font-size-small) !important;
    transition: background-color var(--transition-base) !important;
    border: none !important;
    margin: 0 !important;
    line-height: 1.4 !important;
    min-height: auto !important;
}

.user-dropdown-item:hover {
    background-color: var(--color-surface) !important;
    color: var(--color-text) !important;
}

/* Corriger les icônes */
.user-dropdown-item .dropdown-icon {
    font-size: var(--font-size-base) !important;
    width: 16px !important;
    text-align: center !important;
    flex-shrink: 0 !important;
}

/* Section workspace */
.workspace-section {
    padding: var(--spacing-sm) 0 !important;
    margin: 0 !important;
}

.workspace-section-header {
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin: 0 !important;
}

.workspace-section-title {
    font-size: var(--font-size-xs) !important;
    font-weight: var(--font-weight-semibold) !important;
    color: var(--color-text-muted) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    margin: 0 !important;
}

.current-workspace-name {
    font-size: var(--font-size-small) !important;
    color: var(--color-text) !important;
    font-weight: var(--font-weight-medium) !important;
    max-width: 120px !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    margin: 0 !important;
}

/* Éléments workspace */
.workspace-dropdown-item {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    color: var(--color-text) !important;
    text-decoration: none !important;
    font-size: var(--font-size-small) !important;
    transition: background-color var(--transition-base) !important;
    margin: 0 var(--spacing-sm) !important;
    border-radius: var(--border-radius-sm) !important;
    border: none !important;
    line-height: 1.4 !important;
}

.workspace-dropdown-item:hover {
    background-color: var(--color-surface) !important;
    color: var(--color-text) !important;
}

.workspace-dropdown-item.active {
    background-color: var(--color-primary) !important;
    color: white !important;
}

.workspace-dropdown-item.active:hover {
    background-color: var(--color-primary-dark) !important;
    color: white !important;
}

/* Logout spécial */
.user-dropdown-logout {
    color: var(--color-error) !important;
}

.user-dropdown-logout:hover {
    background-color: rgba(239, 68, 68, 0.1) !important;
    color: var(--color-error) !important;
}

/* Avatar dans le dropdown */
.user-dropdown-avatar,
.user-dropdown-avatar-placeholder {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    object-fit: cover !important;
}

.user-dropdown-avatar-placeholder {
    background-color: var(--color-primary) !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: var(--font-weight-semibold) !important;
    font-size: var(--font-size-small) !important;
}

/* Responsive fixes */
@media (max-width: 768px) {
    .user-dropdown {
        left: 0 !important;
        right: 0 !important;
        min-width: 280px !important;
        max-width: calc(100vw - 2rem) !important;
    }
}

/* Enhanced Stats Cards for Comptabilité */
.stats-card {
    position: relative;
    overflow: hidden;
}

.stats-card .stats-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    opacity: 0.1;
    transition: all 0.3s ease;
}

.stats-card:hover .stats-icon {
    opacity: 0.2;
    transform: scale(1.1);
}

.stats-card .stats-content {
    position: relative;
    z-index: 2;
}

.stats-card .stat-description {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-top: 8px;
    font-style: italic;
}

/* Stats Card Variants */
.stats-card-primary {
    border-left: 4px solid var(--color-primary);
}

.stats-card-primary .stats-icon {
    color: var(--color-primary);
}

.stats-card-success {
    border-left: 4px solid var(--color-success);
}

.stats-card-success .stats-icon {
    color: var(--color-success);
}

.stats-card-warning {
    border-left: 4px solid var(--color-warning);
}

.stats-card-warning .stats-icon {
    color: var(--color-warning);
}

.stats-card-info {
    border-left: 4px solid var(--color-info);
}

.stats-card-info .stats-icon {
    color: var(--color-info);
}

.stats-card-secondary {
    border-left: 4px solid var(--color-secondary);
}

.stats-card-secondary .stats-icon {
    color: var(--color-secondary);
}

/* Enhanced Page Header */
.page-header-card .page-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-top: 8px;
    font-weight: normal;
}

.page-title i {
    margin-right: 12px;
    color: var(--color-primary);
}

/* Enhanced Card Headers */
.card-header h2 i,
.card-header h3 i {
    margin-right: 8px;
    color: var(--color-primary);
}

.card-subtitle {
    font-size: var(--font-size-small);
    color: var(--color-text-muted);
    margin-top: 4px;
    font-weight: normal;
}

/* Enhanced Table */
.table-responsive {
    overflow-x: auto;
}

.data-table th i {
    margin-right: 6px;
    color: var(--color-text-muted);
}

.font-weight-bold {
    font-weight: var(--font-weight-bold);
}

/* Enhanced No Data State */
.no-data {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.no-data i {
    font-size: 4rem;
    color: var(--color-success);
    margin-bottom: 20px;
    display: block;
}

.no-data h3 {
    font-size: var(--font-size-large);
    color: var(--color-text);
    margin-bottom: 8px;
}

.no-data p {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
}

/* Enhanced Badges */
.badge i {
    margin-right: 4px;
}

/* Button Icons */
.btn i {
    margin-right: 6px;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .stats-card .stats-icon {
        font-size: 2rem;
        top: 15px;
        right: 15px;
    }
    
    .page-title {
        font-size: var(--font-size-large);
    }
    
    .page-title i {
        margin-right: 8px;
    }
    
    .stats-card .stat-value {
        font-size: var(--font-size-2xlarge);
    }
}