:root {
            --primary-dark: #153258;
            --primary-light: #23A974;
            --white: #ffffff;
            --light-bg: #f8f9fa;
            --dark-text: #333333;
            --light-text: #666666;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --error-color: #e74c3c;
            --success-color: #2ecc71;
        }

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

        body {
            font-family: 'Saira', sans-serif;
            line-height: 1.6;
            color: var(--dark-text);
            background-color: var(--white);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
            position: relative;
        }

        /* Animation des bulles */
        .bubbles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: -1;
        }

        .bubble {
            position: absolute;
            bottom: -100px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: bubble-animation 15s infinite ease-in;
        }

        @keyframes bubble-animation {
            0% {
                transform: translateY(0) scale(0);
                opacity: 0.7;
            }
            100% {
                transform: translateY(-1000px) scale(1.5);
                opacity: 0;
            }
        }

        /* Container principal */
        .login-container {
            width: 100%;
            max-width: 450px;
            margin: 20px;
            background-color: var(--white);
            border-radius: 15px;
            box-shadow: var(--shadow);
            overflow: hidden;
            animation: fadeIn 0.8s ease;
            position: relative;
            z-index: 1;
        }

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

        /* En-tête */
        .login-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
            padding: 30px 20px;
            text-align: center;
            color: var(--white);
        }

        .logos {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 30px;
            margin-bottom: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.5rem;
        }

        .logo svg {
            width: 40px;
            height: 40px;
        }

        .logo-dgrma {
            font-weight: 600;
            font-size: 1.2rem;
        }

        .login-header h1 {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }

        .login-header p {
            opacity: 0.9;
            font-size: 0.9rem;
        }

        /* Formulaire */
        .login-form {
            padding: 30px;
        }

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

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

        .input-with-icon {
            position: relative;
        }

        .input-with-icon input {
            width: 100%;
            padding: 12px 45px 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: 'Saira', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
        }

        .input-with-icon input:focus {
            outline: none;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 2px rgba(35, 169, 116, 0.2);
        }

        .input-icon {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--light-text);
            cursor: pointer;
            transition: var(--transition);
        }

        .input-icon:hover {
            color: var(--primary-light);
        }

        /* Bouton */
        .submit-btn {
            width: 100%;
            background-color: var(--primary-light);
            color: var(--white);
            border: none;
            padding: 14px;
            border-radius: 5px;
            font-family: 'Saira', sans-serif;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 10px;
        }

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

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

        /* Modal */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal {
            background-color: var(--white);
            border-radius: 15px;
            box-shadow: var(--shadow);
            width: 90%;
            max-width: 400px;
            padding: 30px;
            transform: translateY(20px);
            transition: var(--transition);
            position: relative;
        }

        .modal-overlay.active .modal {
            transform: translateY(0);
        }

        .modal-header {
            text-align: center;
            margin-bottom: 20px;
        }

        .modal-header h2 {
            color: var(--primary-dark);
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .modal-header p {
            color: var(--light-text);
            font-size: 0.9rem;
        }

        .modal-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--light-text);
            cursor: pointer;
            transition: var(--transition);
        }

        .modal-close:hover {
            color: var(--primary-dark);
        }

        /* Message d'erreur */
        .error-message {
            background-color: rgba(231, 76, 60, 0.1);
            border: 1px solid var(--error-color);
            color: var(--error-color);
            padding: 12px 15px;
            border-radius: 5px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: fadeIn 0.3s ease;
        }

        .error-message i {
            font-size: 1.2rem;
        }

        /* Responsive */
        @media (max-width: 480px) {
            .login-container {
                margin: 10px;
            }
            
            .login-form {
                padding: 20px;
            }
            
            .logos {
                flex-direction: column;
                gap: 15px;
            }

            .modal {
                padding: 20px;
            }
        }