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

body {
    background-color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: #333333;
}

/* Navigation */
.navbar {
    background-color: #ffffff !important;
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: #2c5aa0 !important;
}

/* Contenu principal */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background-color: #ffffff;
}

.login-container {
    width: 100%;
    max-width: 1420px;
}

/* Carte de connexion */
.login-card {
    border: 1px solid #e9ecef;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    background: #ffffff;
    transition: all 0.3s ease;
}

    .login-card:hover {
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
    }

    .login-card .card-header {
        background: transparent;
        border-bottom: 1px solid #f1f3f4;
        padding: 2rem 2rem 1rem;
        text-align: center;
    }

        .login-card .card-header h3 {
            color: #2c5aa0;
            font-weight: 600;
            margin: 0;
            font-size: 1.5rem;
        }

    .login-card .card-body {
        padding: 2rem;
    }

/* Formulaire */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 500;
    color: #495057;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-control {
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background-color: #ffffff;
}

    .form-control:focus {
        border-color: #2c5aa0;
        box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
        background-color: #ffffff;
    }

    .form-control::placeholder {
        color: #9ca3af;
    }

/* Checkbox personnalisé */
.form-check {
    margin-bottom: 1.5rem;
}

.form-check-input {
    width: 1.1em;
    height: 1.1em;
    margin-top: 0.15em;
    border: 1.5px solid #d1d5db;
}

    .form-check-input:checked {
        background-color: #2c5aa0;
        border-color: #2c5aa0;
    }

    .form-check-input:focus {
        border-color: #2c5aa0;
        box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
    }

.form-check-label {
    color: #495057;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

/* Bouton de connexion */
.btn-login {
    background: linear-gradient(135deg, #2c5aa0, #3a6bc0);
    border: none;
    border-radius: 8px;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    color: white;
    width: 100%;
}

    .btn-login:hover:not(:disabled) {
        background: linear-gradient(135deg, #254a8a, #2c5aa0);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(44, 90, 160, 0.3);
    }

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

    .btn-login:disabled {
        background: #9ca3af;
        transform: none;
        box-shadow: none;
        cursor: not-allowed;
    }

/* Lien mot de passe oublié */
.forgot-password {
    text-align: center;
    margin-top: 1.5rem;
}

    .forgot-password a {
        color: #6b7280;
        text-decoration: none;
        font-size: 0.9rem;
        transition: color 0.2s ease;
    }

        .forgot-password a:hover {
            color: #2c5aa0;
            text-decoration: underline;
        }

/* Pied de page */
.footer {
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: 1.5rem 0;
    margin-top: auto;
}

    .footer .container {
        text-align: center;
        color: #6b7280;
        font-size: 0.875rem;
    }

/* États de validation */
.form-control.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 3.6.4.4.4-.4'/%3e%3cpath d='M6 7v2'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-valid {
    border-color: #198754;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #dc3545;
}

/* Alertes */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.alert-danger {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-success {
    background-color: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

.alert-info {
    background-color: #f0f9ff;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

.alert-warning {
    background-color: #fffbeb;
    color: #d97706;
    border: 1px solid #fed7aa;
}

/* Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
}

/* Responsive */
@media (max-width: 576px) {
    .login-container {
        max-width: 100%;
        padding: 0 1rem;
    }

    .login-card .card-body {
        padding: 1.5rem;
    }

    .login-card .card-header {
        padding: 1.5rem 1.5rem 1rem;
    }
}

/* Animation d'entrée */
.login-card {
    animation: fadeInUp 0.6s ease-out;
}

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

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

/* Effet de focus amélioré */
.form-control:focus {
    transform: translateY(-1px);
}

/* Séparateur optionnel */
.login-separator {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: #6b7280;
    font-size: 0.875rem;
}

    .login-separator::before,
    .login-separator::after {
        content: '';
        flex: 1;
        border-bottom: 1px solid #e9ecef;
    }

    .login-separator::before {
        margin-right: 1rem;
    }

    .login-separator::after {
        margin-left: 1rem;
    }

/* Gestion des z-index pour les modales */
.modal {
    z-index: 1050 !important;
}

.modal-backdrop {
    z-index: 1040 !important;
}

#loadingModal {
    z-index: 9999 !important;
}

#notificationModal {
    z-index: 10000 !important;
}

#confirmModal {
    z-index: 10001 !important;
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}