:root {
    --primary-color: #0066cc;
    --secondary-color: #004d99;
    --accent-color: #e74c3c;
    --text-color: #333333;
    --background-color: #f5f6fa;
    --card-background: #ffffff;
    --border-color: #dcdde1;
    --success-color: #2ecc71;
    --warning-color: #f1c40f;
    --error-color: #e74c3c;
    --header-height: 70px;
}

/* Styles généraux */
body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
}

/* Page d'authentification */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.auth-box {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.auth-header h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
}

/* Navigation d'authentification */
.auth-navigation {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.btn-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #6c757d, #5a6268);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-home:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
    text-decoration: none;
}

.btn-home i {
    font-size: 1.1rem;
    margin-right: 4px;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.auth-form label i {
    margin-right: 8px;
    color: var(--primary-color);
}

.auth-form input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    width: 100%;
}

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

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-danger {
    background-color: #fde8e8;
    color: var(--error-color);
    border: 1px solid #fbd5d5;
}

.alert-success {
    background-color: #def7ec;
    color: var(--success-color);
    border: 1px solid #bcf0da;
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

.logo img {
    margin-right: 10px;
}

/* Navigation */
.main-nav {
    flex: 1;
    margin: 0 20px;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 20px;
}

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

.nav-menu li a:hover {
    background-color: rgba(0, 102, 204, 0.1);
    color: var(--primary-color);
}

.nav-menu li a i {
    font-size: 1.1rem;
}

/* User Dropdown */
.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    font-size: 1rem;
}

.user-dropdown-toggle i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    min-width: 200px;
    display: none;
    z-index: 1000;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background-color: rgba(0, 102, 204, 0.1);
    color: var(--primary-color);
}

/* Main Content */
.main-wrapper {
    padding-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* Footer */
.main-footer {
    background-color: white;
    padding: 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

/* Responsive */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 10px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .nav-menu.show {
        display: flex;
    }

    .user-dropdown-toggle span {
        display: none;
    }

    .main-nav {
        margin: 0;
        order: 2;
    }

    .user-actions {
        order: 1;
    }

    .logo {
        order: 0;
    }

    .header-content {
        justify-content: space-between;
    }
}