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

        /* body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        } */

        /* .container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            max-width: 600px;
            width: 100%;
            padding: 40px;
            animation: slideUp 0.5s ease-out;
        } */

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .header {
            text-align: center;
            margin-bottom: 40px;
        }

        .header h1 {
            color: #333;
            font-size: 32px;
            margin-bottom: 10px;
        }

        .header p {
            color: #666;
            font-size: 16px;
        }

        .form-group {
            margin-bottom: 25px;
            position: relative;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
            font-size: 14px;
        }

        label .required {
            color: #e74c3c;
            margin-left: 3px;
        }

        input,
        select,
        textarea {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 15px;
            font-family: inherit;
            transition: all 0.3s ease;
            background-color: #f8f9fa;
        }

        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: #667eea;
            background-color: white;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
        }

        textarea {
            resize: vertical;
            min-height: 120px;
        }

        .error-message {
            color: #e74c3c;
            font-size: 13px;
            margin-top: 5px;
            display: none;
            animation: shake 0.3s ease;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            75% { transform: translateX(5px); }
        }

        .form-group.error input,
        .form-group.error select,
        .form-group.error textarea {
            border-color: #e74c3c;
            background-color: #ffe6e6;
        }

        .form-group.error .error-message {
            display: block;
        }

        .form-group.success input,
        .form-group.success select,
        .form-group.success textarea {
            border-color: #27ae60;
        }

        .submit-btn {
            width: 100%;
            padding: 15px;
            background: #116aef;
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 10px;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
        }

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

        .submit-btn:disabled {
            background: #ccc;
            cursor: not-allowed;
            transform: none;
        }

        .success-message {
            background: #d4edda;
            color: #155724;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
            border-left: 4px solid #28a745;
            display: none;
            animation: slideDown 0.4s ease;
        }

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

        .success-message.show {
            display: block;
        }

        /* Style pour le select pays */
        select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 15px center;
            padding-right: 40px;
        }

        /* Responsive */
        @media (max-width: 640px) {
            .container {
                padding: 30px 20px;
            }

            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .header h1 {
                font-size: 26px;
            }
        }

        /* Loader pour le bouton */
        .submit-btn.loading {
            position: relative;
            color: transparent;
        }

        .submit-btn.loading::after {
            content: "";
            position: absolute;
            width: 20px;
            height: 20px;
            top: 50%;
            left: 50%;
            margin-left: -10px;
            margin-top: -10px;
            border: 3px solid #f3f3f3;
            border-top: 3px solid #667eea;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Indicateur de caractères pour le message */
        .char-counter {
            font-size: 12px;
            color: #999;
            text-align: right;
            margin-top: 5px;
        }